--- loncom/lonnet/perl/lonnet.pm 2003/10/30 20:22:00 1.436 +++ loncom/lonnet/perl/lonnet.pm 2008/02/21 10:04:35 1.942 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.436 2003/10/30 20:22:00 albertel Exp $ +# $Id: lonnet.pm,v 1.942 2008/02/21 10:04:35 foxr Exp $ # # Copyright Michigan State University Board of Trustees # @@ -30,34 +30,89 @@ package Apache::lonnet; use strict; -use Apache::File; use LWP::UserAgent(); -use HTTP::Headers; -use vars -qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom - %libserv %pr %prp %metacache %packagetab %titlecache - %courselogs %accesshash %userrolehash $processmarker $dumpcount - %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseresdatacache - %userresdatacache %usectioncache %domaindescription %domain_auth_def %domain_auth_arg_def - %domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir); +use HTTP::Date; +# use Date::Parse; +use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir + $_64bit %env); + +my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash, + %userrolehash, $processmarker, $dumpcount, %coursedombuf, + %coursenumbuf, %coursehombuf, %coursedescrbuf, %courseinstcodebuf, + %courseownerbuf, %coursetypebuf); use IO::Socket; use GDBM_File; -use Apache::Constants qw(:common :http); use HTML::LCParser; use Fcntl qw(:flock); -use Apache::loncoursedata; -use Apache::lonlocal; -use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw); -use Time::HiRes(); +use Storable qw(thaw nfreeze); +use Time::HiRes qw( gettimeofday tv_interval ); +use Cache::Memcached; +use Digest::MD5; +use Math::Random; +use LONCAPA qw(:DEFAULT :match); +use LONCAPA::Configuration; + my $readit; +my $max_connection_retries = 10; # Or some such value. + +require Exporter; + +our @ISA = qw (Exporter); +our @EXPORT = qw(%env); + +=pod + +=head1 Package Variables + +These are largely undocumented, so if you decipher one please note it here. + +=over 4 + +=item $processmarker + +Contains the time this process was started and this servers host id. + +=item $dumpcount + +Counts the number of times a message log flush has been attempted (regardless +of success) by this process. Used as part of the filename when messages are +delayed. + +=back + +=cut + # --------------------------------------------------------------------- Logging +{ + my $logid; + sub instructor_log { + my ($hash_name,$storehash,$delflag,$uname,$udom)=@_; + $logid++; + my $id=time().'00000'.$$.'00000'.$logid; + return &Apache::lonnet::put('nohist_'.$hash_name, + { $id => { + 'exe_uname' => $env{'user.name'}, + 'exe_udom' => $env{'user.domain'}, + 'exe_time' => time(), + 'exe_ip' => $ENV{'REMOTE_ADDR'}, + 'delflag' => $delflag, + 'logentry' => $storehash, + 'uname' => $uname, + 'udom' => $udom, + } + }, + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'} + ); + } +} sub logtouch { my $execdir=$perlvar{'lonDaemons'}; - unless (-e "$execdir/logs/lonnet.log") { - my $fh=Apache::File->new(">>$execdir/logs/lonnet.log"); + unless (-e "$execdir/logs/lonnet.log") { + open(my $fh,">>$execdir/logs/lonnet.log"); close $fh; } my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3]; @@ -69,8 +124,10 @@ sub logthis { my $execdir=$perlvar{'lonDaemons'}; my $now=time; my $local=localtime($now); - my $fh=Apache::File->new(">>$execdir/logs/lonnet.log"); - print $fh "$local ($$): $message\n"; + if (open(my $fh,">>$execdir/logs/lonnet.log")) { + print $fh "$local ($$): $message\n"; + close($fh); + } return 1; } @@ -79,48 +136,76 @@ sub logperm { my $execdir=$perlvar{'lonDaemons'}; my $now=time; my $local=localtime($now); - my $fh=Apache::File->new(">>$execdir/logs/lonnet.perm.log"); - print $fh "$now:$message:$local\n"; + if (open(my $fh,">>$execdir/logs/lonnet.perm.log")) { + print $fh "$now:$message:$local\n"; + close($fh); + } return 1; } +sub create_connection { + my ($hostname,$lonid) = @_; + my $client=IO::Socket::UNIX->new(Peer => $perlvar{'lonSockCreate'}, + Type => SOCK_STREAM, + Timeout => 10); + return 0 if (!$client); + print $client (join(':',$hostname,$lonid,&machine_ids($hostname))."\n"); + my $result = <$client>; + chomp($result); + return 1 if ($result eq 'done'); + return 0; +} + + # -------------------------------------------------- Non-critical communication sub subreply { my ($cmd,$server)=@_; - my $peerfile="$perlvar{'lonSockDir'}/$server"; - my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", - Type => SOCK_STREAM, - Timeout => 10) - or return "con_lost"; - print $client "$cmd\n"; - my $answer=<$client>; - if (!$answer) { $answer="con_lost"; } - chomp($answer); + my $peerfile="$perlvar{'lonSockDir'}/".&hostname($server); + # + # With loncnew process trimming, there's a timing hole between lonc server + # process exit and the master server picking up the listen on the AF_UNIX + # socket. In that time interval, a lock file will exist: + + my $lockfile=$peerfile.".lock"; + while (-e $lockfile) { # Need to wait for the lockfile to disappear. + sleep(1); + } + # At this point, either a loncnew parent is listening or an old lonc + # or loncnew child is listening so we can connect or everything's dead. + # + # We'll give the connection a few tries before abandoning it. If + # connection is not possible, we'll con_lost back to the client. + # + my $client; + for (my $retries = 0; $retries < $max_connection_retries; $retries++) { + $client=IO::Socket::UNIX->new(Peer =>"$peerfile", + Type => SOCK_STREAM, + Timeout => 10); + if ($client) { + last; # Connected! + } else { + &create_connection(&hostname($server),$server); + } + sleep(1); # Try again later if failed connection. + } + my $answer; + if ($client) { + print $client "sethost:$server:$cmd\n"; + $answer=<$client>; + if (!$answer) { $answer="con_lost"; } + chomp($answer); + } else { + $answer = 'con_lost'; # Failed connection. + } return $answer; } sub reply { my ($cmd,$server)=@_; - unless (defined($hostname{$server})) { return 'no_such_host'; } + unless (defined(&hostname($server))) { return 'no_such_host'; } my $answer=subreply($cmd,$server); - if ($answer eq 'con_lost') { - #sleep 5; - #$answer=subreply($cmd,$server); - #if ($answer eq 'con_lost') { - # &logthis("Second attempt con_lost on $server"); - # my $peerfile="$perlvar{'lonSockDir'}/$server"; - # my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", - # Type => SOCK_STREAM, - # Timeout => 10) - # or return "con_lost"; - # &logthis("Killing socket"); - # print $client "close_connection_exit\n"; - #sleep 5; - # $answer=subreply($cmd,$server); - #} - } if (($answer=~/^refused/) || ($answer=~/^rejected/)) { - &logthis("WARNING:". + &logthis("WARNING:". " $cmd to $server returned $answer"); } return $answer; @@ -129,29 +214,40 @@ sub reply { # ----------------------------------------------------------- Send USR1 to lonc sub reconlonc { - my $peerfile=shift; - &logthis("Trying to reconnect for $peerfile"); + my ($lonid) = @_; + my $hostname = &hostname($lonid); + if ($lonid) { + my $peerfile="$perlvar{'lonSockDir'}/$hostname"; + if ($hostname && -e $peerfile) { + &logthis("Trying to reconnect lonc for $lonid ($hostname)"); + my $client=IO::Socket::UNIX->new(Peer => $peerfile, + Type => SOCK_STREAM, + Timeout => 10); + if ($client) { + print $client ("reset_retries\n"); + my $answer=<$client>; + #reset just this one. + } + } + return; + } + + &logthis("Trying to reconnect lonc"); my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; - if (my $fh=Apache::File->new("$loncfile")) { + if (open(my $fh,"<$loncfile")) { my $loncpid=<$fh>; chomp($loncpid); if (kill 0 => $loncpid) { &logthis("lonc at pid $loncpid responding, sending USR1"); kill USR1 => $loncpid; sleep 1; - if (-e "$peerfile") { return; } - &logthis("$peerfile still not there, give it another try"); - sleep 5; - if (-e "$peerfile") { return; } - &logthis( - "WARNING: $peerfile still not there, giving up"); - } else { + } else { &logthis( - "WARNING:". + "WARNING:". " lonc at pid $loncpid not responding, giving up"); } } else { - &logthis('WARNING: lonc not running, giving up'); + &logthis('WARNING: lonc not running, giving up'); } } @@ -159,18 +255,15 @@ sub reconlonc { sub critical { my ($cmd,$server)=@_; - unless ($hostname{$server}) { - &logthis("WARNING:". + unless (&hostname($server)) { + &logthis("WARNING:". " Critical message to unknown server ($server)"); return 'no_such_host'; } my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { - my $pingreply=reply('ping',$server); &reconlonc("$perlvar{'lonSockDir'}/$server"); - my $pongreply=reply('pong',$server); - &logthis("Ping/Pong for $server: $pingreply/$pongreply"); - $answer=reply($cmd,$server); + my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { my $now=time; my $middlename=$cmd; @@ -180,27 +273,29 @@ sub critical { "$perlvar{'lonSockDir'}/delayed/$now.$dumpcount.$$.$middlename.$server"; $dumpcount++; { - my $dfh; - if ($dfh=Apache::File->new(">$dfilename")) { - print $dfh "$cmd\n"; - } + my $dfh; + if (open($dfh,">$dfilename")) { + print $dfh "$cmd\n"; + close($dfh); + } } sleep 2; my $wcmd=''; { - my $dfh; - if ($dfh=Apache::File->new("$dfilename")) { - $wcmd=<$dfh>; - } + my $dfh; + if (open($dfh,"<$dfilename")) { + $wcmd=<$dfh>; + close($dfh); + } } chomp($wcmd); if ($wcmd eq $cmd) { - &logthis("WARNING: ". + &logthis("WARNING: ". "Connection buffer $dfilename: $cmd"); &logperm("D:$server:$cmd"); return 'con_delayed'; } else { - &logthis("CRITICAL:" + &logthis("CRITICAL:" ." Critical connection failed: $server $cmd"); &logperm("F:$server:$cmd"); return 'con_failed'; @@ -210,154 +305,214 @@ sub critical { return $answer; } -# -# -------------- Remove all key from the env that start witha lowercase letter -# (Which is always a lon-capa value) +# ------------------------------------------- check if return value is an error -sub cleanenv { -# unless (defined(&Apache::exists_config_define("MODPERL2"))) { return; } -# unless (&Apache::exists_config_define("MODPERL2")) { return; } - foreach my $key (keys(%ENV)) { - if ($key =~ /^[a-z]/) { - delete($ENV{$key}); - } +sub error { + my ($result) = @_; + if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) { + if ($2 == 2) { return undef; } + return $1; } + return undef; } - -# ------------------------------------------- Transfer profile into environment -sub transfer_profile_to_env { +sub convert_and_load_session_env { my ($lonidsdir,$handle)=@_; my @profile; { - my $idf=Apache::File->new("$lonidsdir/$handle.id"); + my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); + if (!$opened) { + return 0; + } flock($idf,LOCK_SH); @profile=<$idf>; - $idf->close(); + close($idf); + } + my %temp_env; + foreach my $line (@profile) { + if ($line !~ m/=/) { + return 0; + } + chomp($line); + my ($envname,$envvalue)=split(/=/,$line,2); + $temp_env{&unescape($envname)} = &unescape($envvalue); + } + unlink("$lonidsdir/$handle.id"); + if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",&GDBM_WRCREAT(), + 0640)) { + %disk_env = %temp_env; + @env{keys(%temp_env)} = @disk_env{keys(%temp_env)}; + untie(%disk_env); } - my $envi; - my %Remove; - for ($envi=0;$envi<=$#profile;$envi++) { - chomp($profile[$envi]); - my ($envname,$envvalue)=split(/=/,$profile[$envi]); - $ENV{$envname} = $envvalue; + return 1; +} + +# ------------------------------------------- Transfer profile into environment +my $env_loaded; +sub transfer_profile_to_env { + my ($lonidsdir,$handle,$force_transfer) = @_; + if (!$force_transfer && $env_loaded) { return; } + + if (!defined($lonidsdir)) { + $lonidsdir = $perlvar{'lonIDsDir'}; + } + if (!defined($handle)) { + ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| ); + } + + my $convert; + { + my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); + if (!$opened) { + return; + } + flock($idf,LOCK_SH); + if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id", + &GDBM_READER(),0640)) { + @env{keys(%disk_env)} = @disk_env{keys(%disk_env)}; + untie(%disk_env); + } else { + $convert = 1; + } + } + if ($convert) { + if (!&convert_and_load_session_env($lonidsdir,$handle)) { + &logthis("Failed to load session, or convert session."); + } + } + + my %remove; + while ( my $envname = each(%env) ) { if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) { if ($time < time-300) { - $Remove{$key}++; + $remove{$key}++; } } } - foreach my $expired_key (keys(%Remove)) { + + $env{'user.environment'} = "$lonidsdir/$handle.id"; + $env_loaded=1; + foreach my $expired_key (keys(%remove)) { &delenv($expired_key); } - $ENV{'user.environment'} = "$lonidsdir/$handle.id"; } -# ---------------------------------------------------------- Append Environment +# ---------------------------------------------------- Check for valid session +sub check_for_valid_session { + my ($r) = @_; + my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); + my $lonid=$cookies{'lonID'}; + return undef if (!$lonid); -sub appenv { - my %newenv=@_; - foreach (keys %newenv) { - if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { - &logthis("WARNING: ". - "Attempt to modify environment ".$_." to ".$newenv{$_} - .''); - delete($newenv{$_}); - } else { - $ENV{$_}=$newenv{$_}; - } - } + my $handle=&LONCAPA::clean_handle($lonid->value); + my $lonidsdir=$r->dir_config('lonIDsDir'); + return undef if (!-e "$lonidsdir/$handle.id"); + + my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); + return undef if (!$opened); - my $lockfh; - unless ($lockfh=Apache::File->new("$ENV{'user.environment'}")) { - return 'error: '.$!; + flock($idf,LOCK_SH); + my %disk_env; + if (!tie(%disk_env,'GDBM_File',"$lonidsdir/$handle.id", + &GDBM_READER(),0640)) { + return undef; } - unless (flock($lockfh,LOCK_EX)) { - &logthis("WARNING: ". - 'Could not obtain exclusive lock in appenv: '.$!); - $lockfh->close(); - return 'error: '.$!; + + if (!defined($disk_env{'user.name'}) + || !defined($disk_env{'user.domain'})) { + return undef; } + return $handle; +} - my @oldenv; - { - my $fh; - unless ($fh=Apache::File->new("$ENV{'user.environment'}")) { - return 'error: '.$!; - } - @oldenv=<$fh>; - $fh->close(); +sub timed_flock { + my ($file,$lock_type) = @_; + my $failed=0; + eval { + local $SIG{__DIE__}='DEFAULT'; + local $SIG{ALRM}=sub { + $failed=1; + die("failed lock"); + }; + alarm(13); + flock($file,$lock_type); + alarm(0); + }; + if ($failed) { + return undef; + } else { + return 1; } - for (my $i=0; $i<=$#oldenv; $i++) { - chomp($oldenv[$i]); - if ($oldenv[$i] ne '') { - my ($name,$value)=split(/=/,$oldenv[$i]); - unless (defined($newenv{$name})) { - $newenv{$name}=$value; - } +} + +# ---------------------------------------------------------- Append Environment + +sub appenv { + my %newenv=@_; + foreach my $key (keys(%newenv)) { + if (($newenv{$key}=~/^user\.role/) || ($newenv{$key}=~/^user\.priv/)) { + &logthis("WARNING: ". + "Attempt to modify environment ".$key." to ".$newenv{$key} + .''); + delete($newenv{$key}); + } else { + $env{$key}=$newenv{$key}; } } - { - my $fh; - unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) { - return 'error'; - } - my $newname; - foreach $newname (keys %newenv) { - print $fh "$newname=$newenv{$newname}\n"; - } - $fh->close(); + my $opened = open(my $env_file,'+<',$env{'user.environment'}); + if ($opened + && &timed_flock($env_file,LOCK_EX) + && + tie(my %disk_env,'GDBM_File',$env{'user.environment'}, + (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) { + while (my ($key,$value) = each(%newenv)) { + $disk_env{$key} = $value; + } + untie(%disk_env); } - - $lockfh->close(); return 'ok'; } # ----------------------------------------------------- Delete from Environment sub delenv { my $delthis=shift; - my %newenv=(); if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { - &logthis("WARNING: ". + &logthis("WARNING: ". "Attempt to delete from environment ".$delthis); return 'error'; } - my @oldenv; - { - my $fh; - unless ($fh=Apache::File->new("$ENV{'user.environment'}")) { - return 'error'; - } - unless (flock($fh,LOCK_SH)) { - &logthis("WARNING: ". - 'Could not obtain shared lock in delenv: '.$!); - $fh->close(); - return 'error: '.$!; - } - @oldenv=<$fh>; - $fh->close(); - } - { - my $fh; - unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) { - return 'error'; - } - unless (flock($fh,LOCK_EX)) { - &logthis("WARNING: ". - 'Could not obtain exclusive lock in delenv: '.$!); - $fh->close(); - return 'error: '.$!; - } - foreach (@oldenv) { - unless ($_=~/^$delthis/) { print $fh $_; } - } - $fh->close(); + my $opened = open(my $env_file,'+<',$env{'user.environment'}); + if ($opened + && &timed_flock($env_file,LOCK_EX) + && + tie(my %disk_env,'GDBM_File',$env{'user.environment'}, + (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) { + foreach my $key (keys(%disk_env)) { + if ($key=~/^$delthis/) { + delete($env{$key}); + delete($disk_env{$key}); + } + } + untie(%disk_env); } return 'ok'; } +sub get_env_multiple { + my ($name) = @_; + my @values; + if (defined($env{$name})) { + # exists is it an array + if (ref($env{$name})) { + @values=@{ $env{$name} }; + } else { + $values[0]=$env{$name}; + } + } + return(@values); +} + # ------------------------------------------ Find out current server userload -# there is a copy in lond sub userload { my $numusers=0; { @@ -365,9 +520,10 @@ sub userload { my $filename; my $curtime=time; while ($filename=readdir(LONIDS)) { - if ($filename eq '.' || $filename eq '..') {next;} + next if ($filename eq '.' || $filename eq '..'); + next if ($filename =~ /publicuser_\d+\.id/); my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; - if ($curtime-$mtime < 3600) { $numusers++; } + if ($curtime-$mtime < 1800) { $numusers++; } } closedir(LONIDS); } @@ -387,10 +543,11 @@ sub overloaderror { unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } my $loadavg; if ($checkserver eq $perlvar{'lonHostID'}) { - my $loadfile=Apache::File->new('/proc/loadavg'); + open(my $loadfile,'/proc/loadavg'); $loadavg=<$loadfile>; $loadavg =~ s/\s.*//g; $loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; + close($loadfile); } else { $loadavg=&reply('load',$checkserver); } @@ -406,45 +563,89 @@ sub overloaderror { # ------------------------------ Find server with least workload from spare.tab sub spareserver { - my ($loadpercent,$userloadpercent) = @_; - my $tryserver; - my $spareserver=''; + my ($loadpercent,$userloadpercent,$want_server_name) = @_; + my $spare_server; if ($userloadpercent !~ /\d/) { $userloadpercent=0; } - my $lowestserver=$loadpercent > $userloadpercent? - $loadpercent : $userloadpercent; - foreach $tryserver (keys %spareid) { - my $loadans=reply('load',$tryserver); - my $userloadans=reply('userload',$tryserver); - if ($loadans !~ /\d/ && $userloadans !~ /\d/) { - next; #didn't get a number from the server - } - my $answer; - if ($loadans =~ /\d/) { - if ($userloadans =~ /\d/) { - #both are numbers, pick the bigger one - $answer=$loadans > $userloadans? - $loadans : $userloadans; - } else { - $answer = $loadans; - } - } else { - $answer = $userloadans; + my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent + : $userloadpercent; + + foreach my $try_server (@{ $spareid{'primary'} }) { + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); + } + + my $found_server = ($spare_server ne '' && $lowest_load < 100); + + if (!$found_server) { + foreach my $try_server (@{ $spareid{'default'} }) { + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); } - if (($answer =~ /\d/) && ($answer<$lowestserver)) { - $spareserver="http://$hostname{$tryserver}"; - $lowestserver=$answer; + } + + if (!$want_server_name) { + $spare_server="http://".&hostname($spare_server); + } + return $spare_server; +} + +sub compare_server_load { + my ($try_server, $spare_server, $lowest_load) = @_; + + my $loadans = &reply('load', $try_server); + my $userloadans = &reply('userload',$try_server); + + if ($loadans !~ /\d/ && $userloadans !~ /\d/) { + next; #didn't get a number from the server + } + + my $load; + if ($loadans =~ /\d/) { + if ($userloadans =~ /\d/) { + #both are numbers, pick the bigger one + $load = ($loadans > $userloadans) ? $loadans + : $userloadans; + } else { + $load = $loadans; } + } else { + $load = $userloadans; + } + + if (($load =~ /\d/) && ($load < $lowest_load)) { + $spare_server = $try_server; + $lowest_load = $load; } - return $spareserver; + return ($spare_server,$lowest_load); +} + +# --------------------------- ask offload servers if user already has a session +sub find_existing_session { + my ($udom,$uname) = @_; + foreach my $try_server (@{ $spareid{'primary'} }, + @{ $spareid{'default'} }) { + return $try_server if (&has_user_session($try_server, $udom, $uname)); + } + return; +} + +# -------------------------------- ask if server already has a session for user +sub has_user_session { + my ($lonid,$udom,$uname) = @_; + my $result = &reply(join(':','userhassession', + map {&escape($_)} ($udom,$uname)),$lonid); + return 1 if ($result eq 'ok'); + + return 0; } # --------------------------------------------- Try to change a user's password sub changepass { - my ($uname,$udom,$currentpass,$newpass,$server)=@_; + my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_; $currentpass = &escape($currentpass); $newpass = &escape($newpass); - my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass", + my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context", $server); if (! $answer) { &logthis("No reply on password change request to $server ". @@ -477,101 +678,69 @@ sub changepass { sub queryauthenticate { my ($uname,$udom)=@_; - if (($perlvar{'lonRole'} eq 'library') && - ($udom eq $perlvar{'lonDefDomain'})) { - my $answer=reply("encrypt:currentauth:$udom:$uname", - $perlvar{'lonHostID'}); - unless ($answer eq 'unknown_user' or $answer eq 'refused') { - if (length($answer)) { - return $answer; - } - else { - &logthis("User $uname at $udom lacks an authentication mechanism"); - return 'no_host'; - } - } - } - - my $tryserver; - foreach $tryserver (keys %libserv) { - if ($hostdom{$tryserver} eq $udom) { - my $answer=reply("encrypt:currentauth:$udom:$uname",$tryserver); - unless ($answer eq 'unknown_user' or $answer eq 'refused') { - if (length($answer)) { - return $answer; - } - else { - &logthis("User $uname at $udom lacks an authentication mechanism"); - return 'no_host'; - } - } - } + my $uhome=&homeserver($uname,$udom); + if (!$uhome) { + &logthis("User $uname at $udom is unknown when looking for authentication mechanism"); + return 'no_host'; + } + my $answer=reply("encrypt:currentauth:$udom:$uname",$uhome); + if ($answer =~ /^(unknown_user|refused|con_lost)/) { + &logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); } - &logthis("User $uname at $udom lacks an authentication mechanism"); - return 'no_host'; + return $answer; } # --------- Try to authenticate user from domain's lib servers (first this one) sub authenticate { my ($uname,$upass,$udom)=@_; - $upass=escape($upass); - $uname=~s/\W//g; - if (($perlvar{'lonRole'} eq 'library') && - ($udom eq $perlvar{'lonDefDomain'})) { - my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'}); - if ($answer =~ /authorized/) { - if ($answer eq 'authorized') { - &logthis("User $uname at $udom authorized by local server"); - return $perlvar{'lonHostID'}; - } - if ($answer eq 'non_authorized') { - &logthis("User $uname at $udom rejected by local server"); - return 'no_host'; - } + $upass=&escape($upass); + $uname= &LONCAPA::clean_username($uname); + my $uhome=&homeserver($uname,$udom,1); + if ((!$uhome) || ($uhome eq 'no_host')) { +# Maybe the machine was offline and only re-appeared again recently? + &reconlonc(); +# One more + my $uhome=&homeserver($uname,$udom,1); + if ((!$uhome) || ($uhome eq 'no_host')) { + &logthis("User $uname at $udom is unknown in authenticate"); } + return 'no_host'; } - - my $tryserver; - foreach $tryserver (keys %libserv) { - if ($hostdom{$tryserver} eq $udom) { - my $answer=reply("encrypt:auth:$udom:$uname:$upass",$tryserver); - if ($answer =~ /authorized/) { - if ($answer eq 'authorized') { - &logthis("User $uname at $udom authorized by $tryserver"); - return $tryserver; - } - if ($answer eq 'non_authorized') { - &logthis("User $uname at $udom rejected by $tryserver"); - return 'no_host'; - } - } - } + my $answer=reply("encrypt:auth:$udom:$uname:$upass",$uhome); + if ($answer eq 'authorized') { + &logthis("User $uname at $udom authorized by $uhome"); + return $uhome; + } + if ($answer eq 'non_authorized') { + &logthis("User $uname at $udom rejected by $uhome"); + return 'no_host'; } - &logthis("User $uname at $udom could not be authenticated"); + &logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); return 'no_host'; } # ---------------------- Find the homebase for a user from domain's lib servers +my %homecache; sub homeserver { my ($uname,$udom,$ignoreBadCache)=@_; my $index="$uname:$udom"; - my ($result,$cached)=&is_cached(\%homecache,$index,'home',86400); - if (defined($cached)) { return $result; } - my $tryserver; - foreach $tryserver (keys %libserv) { + if (exists($homecache{$index})) { return $homecache{$index}; } + + my %servers = &get_servers($udom,'library'); + foreach my $tryserver (keys(%servers)) { next if ($ignoreBadCache ne 'true' && exists($badServerCache{$tryserver})); - if ($hostdom{$tryserver} eq $udom) { - my $answer=reply("home:$udom:$uname",$tryserver); - if ($answer eq 'found') { - return &do_cache(\%homecache,$index,$tryserver,'home'); - } elsif ($answer eq 'no_host') { - $badServerCache{$tryserver}=1; - } - } + + my $answer=reply("home:$udom:$uname",$tryserver); + if ($answer eq 'found') { + delete($badServerCache{$tryserver}); + return $homecache{$index}=$tryserver; + } elsif ($answer eq 'no_host') { + $badServerCache{$tryserver}=1; + } } return 'no_host'; } @@ -582,24 +751,22 @@ sub idget { my ($udom,@ids)=@_; my %returnhash=(); - my $tryserver; - foreach $tryserver (keys %libserv) { - if ($hostdom{$tryserver} eq $udom) { - my $idlist=join('&',@ids); - $idlist=~tr/A-Z/a-z/; - my $reply=&reply("idget:$udom:".$idlist,$tryserver); - my @answer=(); - if (($reply ne 'con_lost') && ($reply!~/^error\:/)) { - @answer=split(/\&/,$reply); - } ; - my $i; - for ($i=0;$i<=$#ids;$i++) { - if ($answer[$i]) { - $returnhash{$ids[$i]}=$answer[$i]; - } - } - } - } + my %servers = &get_servers($udom,'library'); + foreach my $tryserver (keys(%servers)) { + my $idlist=join('&',@ids); + $idlist=~tr/A-Z/a-z/; + my $reply=&reply("idget:$udom:".$idlist,$tryserver); + my @answer=(); + if (($reply ne 'con_lost') && ($reply!~/^error\:/)) { + @answer=split(/\&/,$reply); + } ; + my $i; + for ($i=0;$i<=$#ids;$i++) { + if ($answer[$i]) { + $returnhash{$ids[$i]}=$answer[$i]; + } + } + } return %returnhash; } @@ -608,8 +775,8 @@ sub idget { sub idrget { my ($udom,@unames)=@_; my %returnhash=(); - foreach (@unames) { - $returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; + foreach my $uname (@unames) { + $returnhash{$uname}=(&userenvironment($udom,$uname,'id'))[1]; } return %returnhash; } @@ -619,23 +786,333 @@ sub idrget { sub idput { my ($udom,%ids)=@_; my %servers=(); - foreach (keys %ids) { - my $uhom=&homeserver($_,$udom); + foreach my $uname (keys(%ids)) { + &cput('environment',{'id'=>$ids{$uname}},$udom,$uname); + my $uhom=&homeserver($uname,$udom); if ($uhom ne 'no_host') { - my $id=&escape($ids{$_}); + my $id=&escape($ids{$uname}); $id=~tr/A-Z/a-z/; - my $unam=&escape($_); + my $esc_unam=&escape($uname); if ($servers{$uhom}) { - $servers{$uhom}.='&'.$id.'='.$unam; + $servers{$uhom}.='&'.$id.'='.$esc_unam; + } else { + $servers{$uhom}=$id.'='.$esc_unam; + } + } + } + foreach my $server (keys(%servers)) { + &critical('idput:'.$udom.':'.$servers{$server},$server); + } +} + +# ------------------------------------------- get items from domain db files + +sub get_dom { + my ($namespace,$storearr,$udom,$uhome)=@_; + my $items=''; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; + } + $items=~s/\&$//; + if (!$udom) { + $udom=$env{'user.domain'}; + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } else { + undef($uhome); + } + } else { + if (!$uhome) { + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } + } + } + if ($udom && $uhome && ($uhome ne 'no_host')) { + my $rep=&reply("getdom:$udom:$namespace:$items",$uhome); + my %returnhash; + if ($rep eq '' || $rep =~ /^error: 2 /) { + return %returnhash; + } + my @pairs=split(/\&/,$rep); + if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) { + return @pairs; + } + my $i=0; + foreach my $item (@$storearr) { + $returnhash{$item}=&thaw_unescape($pairs[$i]); + $i++; + } + return %returnhash; + } else { + &logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)"); + } +} + +# -------------------------------------------- put items in domain db files + +sub put_dom { + my ($namespace,$storehash,$udom,$uhome)=@_; + if (!$udom) { + $udom=$env{'user.domain'}; + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } else { + undef($uhome); + } + } else { + if (!$uhome) { + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } + } + } + if ($udom && $uhome && ($uhome ne 'no_host')) { + my $items=''; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; + } + $items=~s/\&$//; + return &reply("putdom:$udom:$namespace:$items",$uhome); + } else { + &logthis("put_dom failed - no homeserver and/or domain"); + } +} + +sub retrieve_inst_usertypes { + my ($udom) = @_; + my (%returnhash,@order); + if (defined(&domain($udom,'primary'))) { + my $uhome=&domain($udom,'primary'); + my $rep=&reply("inst_usertypes:$udom",$uhome); + my ($hashitems,$orderitems) = split(/:/,$rep); + my @pairs=split(/\&/,$hashitems); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } + my @esc_order = split(/\&/,$orderitems); + foreach my $item (@esc_order) { + push(@order,&unescape($item)); + } + } else { + &logthis("get_dom failed - no primary domain server for $udom"); + } + return (\%returnhash,\@order); +} + +sub is_domainimage { + my ($url) = @_; + if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+-) { + if (&domain($1) ne '') { + return '1'; + } + } + return; +} + +sub inst_directory_query { + my ($srch) = @_; + my $udom = $srch->{'srchdomain'}; + my %results; + my $homeserver = &domain($udom,'primary'); + my $outcome; + if ($homeserver ne '') { + my $queryid=&reply("querysend:instdirsearch:". + &escape($srch->{'srchby'}).':'. + &escape($srch->{'srchterm'}).':'. + &escape($srch->{'srchtype'}),$homeserver); + my $host=&hostname($homeserver); + if ($queryid !~/^\Q$host\E\_/) { + &logthis('instituional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom); + return; + } + my $response = &get_query_reply($queryid); + my $maxtries = 5; + my $tries = 1; + while (($response=~/^timeout/) && ($tries < $maxtries)) { + $response = &get_query_reply($queryid); + $tries ++; + } + + if (!&error($response) && $response ne 'refused') { + if ($response eq 'unavailable') { + $outcome = $response; + } else { + $outcome = 'ok'; + my @matches = split(/\n/,$response); + foreach my $match (@matches) { + my ($key,$value) = split(/=/,$match); + $results{&unescape($key).':'.$udom} = &thaw_unescape($value); + } + } + } + } + return ($outcome,%results); +} + +sub usersearch { + my ($srch) = @_; + my $dom = $srch->{'srchdomain'}; + my %results; + my %libserv = &all_library(); + my $query = 'usersearch'; + foreach my $tryserver (keys(%libserv)) { + if (&host_domain($tryserver) eq $dom) { + my $host=&hostname($tryserver); + my $queryid= + &reply("querysend:".&escape($query).':'. + &escape($srch->{'srchby'}).':'. + &escape($srch->{'srchtype'}).':'. + &escape($srch->{'srchterm'}),$tryserver); + if ($queryid !~/^\Q$host\E\_/) { + &logthis('usersearch: invalid queryid: '.$queryid.' for host: '.$host.'in domain '.$dom.' and server: '.$tryserver); + next; + } + my $reply = &get_query_reply($queryid); + my $maxtries = 1; + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } + if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { + &logthis('usersrch error: '.$reply.' for '.$dom.' - searching for : '.$srch->{'srchterm'}.' by '.$srch->{'srchby'}.' ('.$srch->{'srchtype'}.') - maxtries: '.$maxtries.' tries: '.$tries); + } else { + my @matches; + if ($reply =~ /\n/) { + @matches = split(/\n/,$reply); + } else { + @matches = split(/\&/,$reply); + } + foreach my $match (@matches) { + my ($uname,$udom,%userhash); + foreach my $entry (split(/:/,$match)) { + my ($key,$value) = + map {&unescape($_);} split(/=/,$entry); + $userhash{$key} = $value; + if ($key eq 'username') { + $uname = $value; + } elsif ($key eq 'domain') { + $udom = $value; + } + } + $results{$uname.':'.$udom} = \%userhash; + } + } + } + } + return %results; +} + +sub get_instuser { + my ($udom,$uname,$id) = @_; + my $homeserver = &domain($udom,'primary'); + my ($outcome,%results); + if ($homeserver ne '') { + my $queryid=&reply("querysend:getinstuser:".&escape($uname).':'. + &escape($id).':'.&escape($udom),$homeserver); + my $host=&hostname($homeserver); + if ($queryid !~/^\Q$host\E\_/) { + &logthis('get_instuser invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom); + return; + } + my $response = &get_query_reply($queryid); + my $maxtries = 5; + my $tries = 1; + while (($response=~/^timeout/) && ($tries < $maxtries)) { + $response = &get_query_reply($queryid); + $tries ++; + } + if (!&error($response) && $response ne 'refused') { + if ($response eq 'unavailable') { + $outcome = $response; } else { - $servers{$uhom}=$id.'='.$unam; + $outcome = 'ok'; + my @matches = split(/\n/,$response); + foreach my $match (@matches) { + my ($key,$value) = split(/=/,$match); + $results{&unescape($key)} = &thaw_unescape($value); + } } - &critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); } } - foreach (keys %servers) { - &critical('idput:'.$udom.':'.$servers{$_},$_); + my %userinfo; + if (ref($results{$uname}) eq 'HASH') { + %userinfo = %{$results{$uname}}; + } + return ($outcome,%userinfo); +} + +sub inst_rulecheck { + my ($udom,$uname,$id,$item,$rules) = @_; + my %returnhash; + if ($udom ne '') { + if (ref($rules) eq 'ARRAY') { + @{$rules} = map {&escape($_);} (@{$rules}); + my $rulestr = join(':',@{$rules}); + my $homeserver=&domain($udom,'primary'); + if (($homeserver ne '') && ($homeserver ne 'no_host')) { + my $response; + if ($item eq 'username') { + $response=&unescape(&reply('instrulecheck:'.&escape($udom). + ':'.&escape($uname).':'.$rulestr, + $homeserver)); + } elsif ($item eq 'id') { + $response=&unescape(&reply('instidrulecheck:'.&escape($udom). + ':'.&escape($id).':'.$rulestr, + $homeserver)); + } + if ($response ne 'refused') { + my @pairs=split(/\&/,$response); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } + } + } + } } + return %returnhash; +} + +sub inst_userrules { + my ($udom,$check) = @_; + my (%ruleshash,@ruleorder); + if ($udom ne '') { + my $homeserver=&domain($udom,'primary'); + if (($homeserver ne '') && ($homeserver ne 'no_host')) { + my $response; + if ($check eq 'id') { + $response=&reply('instidrules:'.&escape($udom), + $homeserver); + } else { + $response=&reply('instuserrules:'.&escape($udom), + $homeserver); + } + if (($response ne 'refused') && ($response ne 'error') && + ($response ne 'unknown_cmd') && + ($response ne 'no_such_host')) { + my ($hashitems,$orderitems) = split(/:/,$response); + my @pairs=split(/\&/,$hashitems); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $ruleshash{$key}=&thaw_unescape($value); + } + my @esc_order = split(/\&/,$orderitems); + foreach my $item (@esc_order) { + push(@ruleorder,&unescape($item)); + } + } + } + } + return (\%ruleshash,\@ruleorder); } # --------------------------------------------------- Assign a key to a student @@ -645,24 +1122,28 @@ sub assign_access_key { # a valid key looks like uname:udom#comments # comments are being appended # - my ($ckey,$cdom,$cnum,$udom,$uname,$logentry)=@_; + my ($ckey,$kdom,$knum,$cdom,$cnum,$udom,$uname,$logentry)=@_; + $kdom= + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($kdom)); + $knum= + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($knum)); $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); - $udom=$ENV{'user.name'} unless (defined($udom)); - $uname=$ENV{'user.domain'} unless (defined($uname)); - my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); + $udom=$env{'user.name'} unless (defined($udom)); + $uname=$env{'user.domain'} unless (defined($uname)); + my %existing=&get('accesskeys',[$ckey],$kdom,$knum); if (($existing{$ckey}=~/^\#(.*)$/) || # - new key - ($existing{$ckey}=~/^$uname\:$udom\#(.*)$/)) { + ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#(.*)$/)) { # assigned to this person # - this should not happen, # unless something went wrong # the first time around # ready to assign $logentry=$1.'; '.$logentry; - if (&put('accesskey',{$ckey=>$uname.':'.$udom.'#'.$logentry}, - $cdom,$cnum) eq 'ok') { + if (&put('accesskeys',{$ckey=>$uname.':'.$udom.'#'.$logentry}, + $kdom,$knum) eq 'ok') { # key now belongs to user my $envkey='key.'.$cdom.'_'.$cnum; if (&put('environment',{$envkey => $ckey}) eq 'ok') { @@ -693,9 +1174,9 @@ sub comment_access_key { # my ($ckey,$cdom,$cnum,$logentry)=@_; $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); if ($existing{$ckey}) { $existing{$ckey}.='; '.$logentry; @@ -717,9 +1198,9 @@ sub comment_access_key { sub generate_access_keys { my ($number,$cdom,$cnum,$logentry)=@_; $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); unless (&allowed('mky',$cdom)) { return 0; } unless (($cdom) && ($cnum)) { return 0; } if ($number>10000) { return 0; } @@ -738,14 +1219,14 @@ sub generate_access_keys { } else { if (&put('accesskeys', { $newkey => '# generated '.localtime(). - ' by '.$ENV{'user.name'}.'@'.$ENV{'user.domain'}. + ' by '.$env{'user.name'}.'@'.$env{'user.domain'}. '; '.$logentry }, $cdom,$cnum) eq 'ok') { $total++; } } } - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.home'}, + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'}, 'Generated '.$total.' keys for '.$cnum.' at '.$cdom); return $total; } @@ -755,21 +1236,49 @@ sub generate_access_keys { sub validate_access_key { my ($ckey,$cdom,$cnum,$udom,$uname)=@_; $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); - $udom=$ENV{'user.name'} unless (defined($udom)); - $uname=$ENV{'user.domain'} unless (defined($uname)); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); + $udom=$env{'user.domain'} unless (defined($udom)); + $uname=$env{'user.name'} unless (defined($uname)); my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); - return ($existing{$ckey}=~/^$uname\:$udom\#/); + return ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#/); } # ------------------------------------- Find the section of student in a course +sub devalidate_getsection_cache { + my ($udom,$unam,$courseid)=@_; + my $hashid="$udom:$unam:$courseid"; + &devalidate_cache_new('getsection',$hashid); +} + +sub courseid_to_courseurl { + my ($courseid) = @_; + #already url style courseid + return $courseid if ($courseid =~ m{^/}); + + if (exists($env{'course.'.$courseid.'.num'})) { + my $cnum = $env{'course.'.$courseid.'.num'}; + my $cdom = $env{'course.'.$courseid.'.domain'}; + return "/$cdom/$cnum"; + } + + my %courseinfo=&Apache::lonnet::coursedescription($courseid); + if (exists($courseinfo{'num'})) { + return "/$courseinfo{'domain'}/$courseinfo{'num'}"; + } + + return undef; +} sub getsection { my ($udom,$unam,$courseid)=@_; - $courseid=~s/\_/\//g; - $courseid=~s/^(\w)/\/$1/; + my $cachetime=1800; + + my $hashid="$udom:$unam:$courseid"; + my ($result,$cached)=&is_cached_new('getsection',$hashid); + if (defined($cached)) { return $result; } + my %Pending; my %Expired; # @@ -785,226 +1294,142 @@ sub getsection { # If there is more than one expired role, choose the one which ended last. # If there is a role which has expired, return it. # - foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', - &homeserver($unam,$udom)))) { - my ($key,$value)=split(/\=/,$_); - $key=&unescape($key); - next if ($key !~/^$courseid(?:\/)*(\w+)*\_st$/); + $courseid = &courseid_to_courseurl($courseid); + my %roleshash = &dump('roles',$udom,$unam,$courseid); + foreach my $key (keys(%roleshash)) { + next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/); my $section=$1; if ($key eq $courseid.'_st') { $section=''; } - my ($dummy,$end,$start)=split(/\_/,&unescape($value)); + my ($dummy,$end,$start)=split(/\_/,&unescape($roleshash{$key})); my $now=time; - if (defined($end) && ($now > $end)) { + if (defined($end) && $end && ($now > $end)) { $Expired{$end}=$section; next; } - if (defined($start) && ($now < $start)) { + if (defined($start) && $start && ($now < $start)) { $Pending{$start}=$section; next; } - return $section; + return &do_cache_new('getsection',$hashid,$section,$cachetime); } # # Presumedly there will be few matching roles from the above # loop and the sorting time will be negligible. if (scalar(keys(%Pending))) { my ($time) = sort {$a <=> $b} keys(%Pending); - return $Pending{$time}; + return &do_cache_new('getsection',$hashid,$Pending{$time},$cachetime); } if (scalar(keys(%Expired))) { my @sorted = sort {$a <=> $b} keys(%Expired); my $time = pop(@sorted); - return $Expired{$time}; + return &do_cache_new('getsection',$hashid,$Expired{$time},$cachetime); } - return '-1'; -} - -sub devalidate_cache { - my ($cache,$id,$name) = @_; - delete $$cache{$id.'.time'}; - delete $$cache{$id}; - my $filename=$perlvar{'lonDaemons'}.'/tmp/'.$name.".db"; - open(DB,"$filename.lock"); - flock(DB,LOCK_EX); - my %hash; - if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { - delete($hash{$id}); - delete($hash{$id.'.time'}); - } else { - &logthis("Unable to tie hash (devalidate cache): $name"); - } - untie(%hash); - flock(DB,LOCK_UN); - close(DB); -} - -sub is_cached { - my ($cache,$id,$name,$time) = @_; - if (!$time) { $time=300; } - if (!exists($$cache{$id.'.time'})) { - &load_cache_item($cache,$name,$id); - } - if (!exists($$cache{$id.'.time'})) { -# &logthis("Didn't find $id"); - return (undef,undef); - } else { - if (time-($$cache{$id.'.time'})>$time) { -# &logthis("Devalidating $id - ".time-($$cache{$id.'.time'})); - &devalidate_cache($cache,$id,$name); - return (undef,undef); - } - } - return ($$cache{$id},1); -} - -sub do_cache { - my ($cache,$id,$value,$name) = @_; - $$cache{$id.'.time'}=time; - $$cache{$id}=$value; -# &logthis("Caching $id as :$value:"); - &save_cache_item($cache,$name,$id); - # do_cache implictly return the set value - $$cache{$id}; + return &do_cache_new('getsection',$hashid,'-1',$cachetime); } sub save_cache { - my ($cache,$name)=@_; - my $starttime=&Time::HiRes::time(); -# &logthis("Saving :$name:"); - eval lock_store($cache,$perlvar{'lonDaemons'}.'/tmp/'.$name.".storable"); - if ($@) { &logthis("lock_store threw a die ".$@); } -# &logthis("save_cache took ".(&Time::HiRes::time()-$starttime)); -} - -sub load_cache { - my ($cache,$name)=@_; - my $starttime=&Time::HiRes::time(); -# &logthis("Before Loading $name size is ".scalar(%$cache)); - my $tmpcache; - eval { - $tmpcache=lock_retrieve($perlvar{'lonDaemons'}.'/tmp/'.$name.".storable"); - }; - if ($@) { &logthis("lock_retreive threw a die ".$@); return; } - if (!%$cache) { - my $count; - while (my ($key,$value)=each(%$tmpcache)) { - $count++; - $$cache{$key}=$value; - } -# &logthis("Initial load: $count"); - } else { - my $key; - my $count; - while ($key=each(%$tmpcache)) { - if ($key !~/^(.*)\.time$/) { next; } - my $name=$1; - if (exists($$cache{$key})) { - if ($$tmpcache{$key} >= $$cache{$key}) { - $$cache{$key}=$$tmpcache{$key}; - $$cache{$name}=$$tmpcache{$name}; - } else { -# &logthis("Would have overwritten $name with is set to expire at ".$$cache{$key}." with ".$$tmpcache{$key}." Whew!"); - } - } else { - $count++; - $$cache{$key}=$$tmpcache{$key}; - $$cache{$name}=$$tmpcache{$name}; - } - } -# &logthis("Additional load: $count"); + &purge_remembered(); + #&Apache::loncommon::validate_page(); + undef(%env); + undef($env_loaded); +} + +my $to_remember=-1; +my %remembered; +my %accessed; +my $kicks=0; +my $hits=0; +sub make_key { + my ($name,$id) = @_; + if (length($id) > 65 + && length(&escape($id)) > 200) { + $id=length($id).':'.&Digest::MD5::md5_hex($id); + } + return &escape($name.':'.$id); +} + +sub devalidate_cache_new { + my ($name,$id,$debug) = @_; + if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); } + $id=&make_key($name,$id); + $memcache->delete($id); + delete($remembered{$id}); + delete($accessed{$id}); +} + +sub is_cached_new { + my ($name,$id,$debug) = @_; + $id=&make_key($name,$id); + if (exists($remembered{$id})) { + if ($debug) { &Apache::lonnet::logthis("Earyl return $id of $remembered{$id} "); } + $accessed{$id}=[&gettimeofday()]; + $hits++; + return ($remembered{$id},1); + } + my $value = $memcache->get($id); + if (!(defined($value))) { + if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); } + return (undef,undef); } -# &logthis("After Loading $name size is ".scalar(%$cache)); -# &logthis("load_cache took ".(&Time::HiRes::time()-$starttime)); -} - -sub save_cache_item { - my ($cache,$name,$id)=@_; - my $starttime=&Time::HiRes::time(); - # &logthis("Saving :$name:$id"); - my %hash; - my $filename=$perlvar{'lonDaemons'}.'/tmp/'.$name.".db"; - open(DB,"$filename.lock"); - flock(DB,LOCK_EX); - if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { - $hash{$id.'.time'}=$$cache{$id.'.time'}; - $hash{$id}=freeze({'item'=>$$cache{$id}}); - } else { - &logthis("Unable to tie hash (save cache item): $name"); - } - untie(%hash); - flock(DB,LOCK_UN); - close(DB); -# &logthis("save_cache_item $name took ".(&Time::HiRes::time()-$starttime)); -} - -sub load_cache_item { - my ($cache,$name,$id)=@_; - my $starttime=&Time::HiRes::time(); -# &logthis("Before Loading $name for $id size is ".scalar(%$cache)); - my %hash; - my $filename=$perlvar{'lonDaemons'}.'/tmp/'.$name.".db"; - open(DB,"$filename.lock"); - flock(DB,LOCK_SH); - if (tie(%hash,'GDBM_File',$filename,&GDBM_READER(),0640)) { - if (!%$cache) { - my $count; - while (my ($key,$value)=each(%hash)) { - $count++; - if ($key =~ /\.time$/) { - $$cache{$key}=$value; - } else { - my $hashref=thaw($value); - $$cache{$key}=$hashref->{'item'}; - } - } -# &logthis("Initial load: $count"); - } else { - my $hashref=thaw($hash{$id}); - $$cache{$id}=$hashref->{'item'}; - $$cache{$id.'.time'}=$hash{$id.'.time'}; + if ($value eq '__undef__') { + if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); } + $value=undef; + } + &make_room($id,$value,$debug); + if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); } + return ($value,1); +} + +sub do_cache_new { + my ($name,$id,$value,$time,$debug) = @_; + $id=&make_key($name,$id); + my $setvalue=$value; + if (!defined($setvalue)) { + $setvalue='__undef__'; + } + if (!defined($time) ) { + $time=600; + } + if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); } + my $result = $memcache->set($id,$setvalue,$time); + if (! $result) { + &logthis("caching of id -> $id failed"); + $memcache->disconnect_all(); + } + # need to make a copy of $value + &make_room($id,$value,$debug); + return $value; +} + +sub make_room { + my ($id,$value,$debug)=@_; + + $remembered{$id}= (ref($value)) ? &Storable::dclone($value) + : $value; + if ($to_remember<0) { return; } + $accessed{$id}=[&gettimeofday()]; + if (scalar(keys(%remembered)) <= $to_remember) { return; } + my $to_kick; + my $max_time=0; + foreach my $other (keys(%accessed)) { + if (&tv_interval($accessed{$other}) > $max_time) { + $to_kick=$other; + $max_time=&tv_interval($accessed{$other}); } - } else { - &logthis("Unable to tie hash (load cache item): $name"); } - untie(%hash); - flock(DB,LOCK_UN); - close(DB); -# &logthis("After Loading $name size is ".scalar(%$cache)); -# &logthis("load_cache_item $name took ".(&Time::HiRes::time()-$starttime)); + delete($remembered{$to_kick}); + delete($accessed{$to_kick}); + $kicks++; + if ($debug) { &logthis("kicking $to_kick $max_time $kicks\n"); } + return; } -sub usection { - my ($udom,$unam,$courseid)=@_; - my $hashid="$udom:$unam:$courseid"; - - my ($result,$cached)=&is_cached(\%usectioncache,$hashid,'usection'); - if (defined($cached)) { return $result; } - $courseid=~s/\_/\//g; - $courseid=~s/^(\w)/\/$1/; - foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', - &homeserver($unam,$udom)))) { - my ($key,$value)=split(/\=/,$_); - $key=&unescape($key); - if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { - my $section=$1; - if ($key eq $courseid.'_st') { $section=''; } - my ($dummy,$end,$start)=split(/\_/,&unescape($value)); - my $now=time; - my $notactive=0; - if ($start) { - if ($now<$start) { $notactive=1; } - } - if ($end) { - if ($now>$end) { $notactive=1; } - } - unless ($notactive) { - return &do_cache(\%usectioncache,$hashid,$section,'usection'); - } - } - } - return &do_cache(\%usectioncache,$hashid,'-1','usection'); +sub purge_remembered { + #&logthis("Tossing ".scalar(keys(%remembered))); + #&logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered)))); + undef(%remembered); + undef(%accessed); } - # ------------------------------------- Read an entry from a user's environment sub userenvironment { @@ -1020,16 +1445,66 @@ sub userenvironment { return %returnhash; } +# ---------------------------------------------------------- Get a studentphoto +sub studentphoto { + my ($udom,$unam,$ext) = @_; + my $home=&Apache::lonnet::homeserver($unam,$udom); + if (defined($env{'request.course.id'})) { + if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) { + if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } else { + my ($result,$perm_reqd)= + &Apache::lonnet::auto_photo_permission($unam,$udom); + if ($result eq 'ok') { + if (!($perm_reqd eq 'yes')) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } + } + } + } + } else { + my ($result,$perm_reqd) = + &Apache::lonnet::auto_photo_permission($unam,$udom); + if ($result eq 'ok') { + if (!($perm_reqd eq 'yes')) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } + } + } + return '/adm/lonKaputt/lonlogo_broken.gif'; +} + +sub retrievestudentphoto { + my ($udom,$unam,$ext,$type) = @_; + my $home=&Apache::lonnet::homeserver($unam,$udom); + my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home); + if ($ret eq 'ok') { + my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext"; + if ($type eq 'thumbnail') { + $url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext"; + } + my $tokenurl=&Apache::lonnet::tokenwrapper($url); + return $tokenurl; + } else { + if ($type eq 'thumbnail') { + return '/adm/lonKaputt/genericstudent_tn.gif'; + } else { + return '/adm/lonKaputt/lonlogo_broken.gif'; + } + } +} + # -------------------------------------------------------------------- New chat sub chatsend { - my ($newentry,$anon)=@_; - my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; - my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; + my ($newentry,$anon,$group)=@_; + my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my $chome=$env{'course.'.$env{'request.course.id'}.'.home'}; &reply('chatsend:'.$cdom.':'.$cnum.':'. - &escape($ENV{'user.domain'}.':'.$ENV{'user.name'}.':'.$anon.':'. - &escape($newentry)),$chome); + &escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'. + &escape($newentry)).':'.$group,$chome); } # ------------------------------------------ Find current version of a resource @@ -1042,6 +1517,8 @@ sub getversion { sub currentversion { my $fname=shift; + my ($result,$cached)=&is_cached_new('resversion',$fname); + if (defined($cached)) { return $result; } my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; my ($udom,$uname)=split(/\//,$author); @@ -1053,7 +1530,7 @@ sub currentversion { if (($answer eq 'con_lost') || ($answer eq 'rejected')) { return -1; } - return $answer; + return &do_cache_new('resversion',$fname,$answer,600); } # ----------------------------- Subscribe to a resource, return URL if possible @@ -1061,6 +1538,7 @@ sub currentversion { sub subscribe { my $fname=shift; if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; } + $fname=~s/[\n\r]//g; my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; my ($udom,$uname)=split(/\//,$author); @@ -1080,21 +1558,28 @@ sub subscribe { sub repcopy { my $filename=shift; $filename=~s/\/+/\//g; - if ($filename=~/^\/home\/httpd\/html\/adm\//) { return OK; } + if ($filename=~m|^/home/httpd/html/adm/|) { return 'ok'; } + if ($filename=~m|^/home/httpd/html/lonUsers/|) { return 'ok'; } + if ($filename=~m|^/home/httpd/html/userfiles/| or + $filename=~m -^/*(uploaded|editupload)/-) { + return &repcopy_userfile($filename); + } + $filename=~s/[\n\r]//g; my $transname="$filename.in.transfer"; - if ((-e $filename) || (-e $transname)) { return OK; } +# FIXME: this should flock + if ((-e $filename) || (-e $transname)) { return 'ok'; } my $remoteurl=subscribe($filename); if ($remoteurl =~ /^con_lost by/) { &logthis("Subscribe returned $remoteurl: $filename"); - return HTTP_SERVICE_UNAVAILABLE; + return 'unavailable'; } elsif ($remoteurl eq 'not_found') { - &logthis("Subscribe returned not_found: $filename"); - return HTTP_NOT_FOUND; + #&logthis("Subscribe returned not_found: $filename"); + return 'not_found'; } elsif ($remoteurl =~ /^rejected by/) { &logthis("Subscribe returned $remoteurl: $filename"); - return FORBIDDEN; + return 'forbidden'; } elsif ($remoteurl eq 'directory') { - return OK; + return 'ok'; } else { my $author=$filename; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; @@ -1105,7 +1590,7 @@ sub repcopy { my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; if ($path ne "$perlvar{'lonDocRoot'}/res") { &logthis("Malconfiguration for replication: $filename"); - return HTTP_BAD_REQUEST; + return 'bad_request'; } my $count; for ($count=5;$count<$#parts;$count++) { @@ -1120,9 +1605,9 @@ sub repcopy { if ($response->is_error()) { unlink($transname); my $message=$response->status_line; - &logthis("WARNING:" + &logthis("WARNING:" ." LWP get: $message: $filename"); - return HTTP_SERVICE_UNAVAILABLE; + return 'unavailable'; } else { if ($remoteurl!~/\.meta$/) { my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta'); @@ -1130,11 +1615,11 @@ sub repcopy { if ($mresponse->is_error()) { unlink($filename.'.meta'); &logthis( - "INFO: No metadata: $filename"); + "INFO: No metadata: $filename"); } } rename($transname,$filename); - return OK; + return 'ok'; } } } @@ -1143,35 +1628,64 @@ sub repcopy { # ------------------------------------------------ Get server side include body sub ssi_body { my ($filelink,%form)=@_; + if (! exists($form{'LONCAPA_INTERNAL_no_discussion'})) { + $form{'LONCAPA_INTERNAL_no_discussion'}='true'; + } my $output=($filelink=~/^http\:/?&externalssi($filelink): &ssi($filelink,%form)); - $output=~s/^.*\]*\>//si; - $output=~s/\<\/body\s*\>.*$//si; - $output=~ - s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; + $output=~s|//(\s*)?\s||gs; + $output=~s/^.*?\]*\>//si; + $output=~s/\<\/body\s*\>.*?$//si; return $output; } # --------------------------------------------------------- Server Side Include +sub absolute_url { + my ($host_name) = @_; + my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://'); + if ($host_name eq '') { + $host_name = $ENV{'SERVER_NAME'}; + } + return $protocol.$host_name; +} + +# +# Server side include. +# Parameters: +# fn Possibly encrypted resource name/id. +# form Hash that describes how the rendering should be done +# and other things. +# r Optional reference that will be given the response. +# This is mostly provided so that the caller can implement +# error detection, recovery and retry policies. +# +# Returns: +# The content of the response. sub ssi { - my ($fn,%form)=@_; + my ($fn,%form, $r)=@_; my $ua=new LWP::UserAgent; my $request; - + + $form{'no_update_last_known'}=1; + &Apache::lonenc::check_encrypt(\$fn); if (%form) { - $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn); + $request=new HTTP::Request('POST',&absolute_url().$fn); $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form)); } else { - $request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn); + $request=new HTTP::Request('GET',&absolute_url().$fn); } $request->header(Cookie => $ENV{'HTTP_COOKIE'}); my $response=$ua->request($request); + if ($r) { + $$r = $response; + } + return $response->content; } @@ -1183,63 +1697,262 @@ sub externalssi { return $response->content; } -# ------- Add a token to a remote URI's query string to vouch for access rights +# -------------------------------- Allow a /uploaded/ URI to be vouched for -sub tokenwrapper { - my $uri=shift; - $uri=~s/^http\:\/\/([^\/]+)//; - $uri=~s/^\///; - $ENV{'user.environment'}=~/\/([^\/]+)\.id/; - my $token=$1; - if ($uri=~/^uploaded\/([^\/]+)\/([^\/]+)\/([^\/]+)(\?\.*)*$/) { - &appenv('userfile.'.$1.'/'.$2.'/'.$3 => $ENV{'request.course.id'}); - return 'http://'.$hostname{ &homeserver($2,$1)}.'/'.$uri. - (($uri=~/\?/)?'&':'?').'token='.$token. - '&tokenissued='.$perlvar{'lonHostID'}; +sub allowuploaded { + my ($srcurl,$url)=@_; + $url=&clutter(&declutter($url)); + my $dir=$url; + $dir=~s/\/[^\/]+$//; + my %httpref=(); + my $httpurl=&hreflocation('',$url); + $httpref{'httpref.'.$httpurl}=$srcurl; + &Apache::lonnet::appenv(%httpref); +} + +# --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course +# input: action, courseID, current domain, intended +# path to file, source of file, instruction to parse file for objects, +# ref to hash for embedded objects, +# ref to hash for codebase of java objects. +# +# output: url to file (if action was uploaddoc), +# ok if successful, or diagnostic message otherwise (if action was propagate or copy) +# +# Allows directory structure to be used within lonUsers/../userfiles/ for a +# course. +# +# action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in +# course's home server. +# +# action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will +# be copied from $source (current location) to +# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# and will then be copied to +# /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in +# course's home server. +# +# action = uploaddoc - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# will be retrived from $env{form.uploaddoc} (from DOCS interface) to +# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# and will then be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles/$file +# in course's home server. +# + +sub process_coursefile { + my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase)=@_; + my $fetchresult; + my $home=&homeserver($docuname,$docudom); + if ($action eq 'propagate') { + $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); + } else { + my $fpath = ''; + my $fname = $file; + ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); + $fpath=$docudom.'/'.$docuname.'/'.$fpath; + my $filepath = &build_filepath($fpath); + if ($action eq 'copy') { + if ($source eq '') { + $fetchresult = 'no source file'; + return $fetchresult; + } else { + my $destination = $filepath.'/'.$fname; + rename($source,$destination); + $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); + } + } elsif ($action eq 'uploaddoc') { + open(my $fh,'>'.$filepath.'/'.$fname); + print $fh $env{'form.'.$source}; + close($fh); + if ($parser eq 'parse') { + my $parse_result = &extract_embedded_items($filepath,$fname,$allfiles,$codebase); + unless ($parse_result eq 'ok') { + &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result); + } + } + $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); + if ($fetchresult eq 'ok') { + return '/uploaded/'.$fpath.'/'.$fname; + } else { + &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. + ' to host '.$home.': '.$fetchresult); + return '/adm/notfound.html'; + } + } + } + unless ( $fetchresult eq 'ok') { + &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. + ' to host '.$home.': '.$fetchresult); + } + return $fetchresult; +} + +sub build_filepath { + my ($fpath) = @_; + my $filepath=$perlvar{'lonDocRoot'}.'/userfiles'; + unless ($fpath eq '') { + my @parts=split('/',$fpath); + foreach my $part (@parts) { + $filepath.= '/'.$part; + if ((-e $filepath)!=1) { + mkdir($filepath,0777); + } + } + } + return $filepath; +} + +sub store_edited_file { + my ($primary_url,$content,$docudom,$docuname,$fetchresult) = @_; + my $file = $primary_url; + $file =~ s#^/uploaded/$docudom/$docuname/##; + my $fpath = ''; + my $fname = $file; + ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); + $fpath=$docudom.'/'.$docuname.'/'.$fpath; + my $filepath = &build_filepath($fpath); + open(my $fh,'>'.$filepath.'/'.$fname); + print $fh $content; + close($fh); + my $home=&homeserver($docuname,$docudom); + $$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); + if ($$fetchresult eq 'ok') { + return '/uploaded/'.$fpath.'/'.$fname; } else { - return '/adm/notfound.html'; + &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. + ' to host '.$home.': '.$$fetchresult); + return '/adm/notfound.html'; } } - -# --------------- Take an uploaded file and put it into the userfiles directory -# input: name of form element, coursedoc=1 means this is for the course -# output: url of file in userspace -sub userfileupload { - my ($formname,$coursedoc)=@_; - my $fname=$ENV{'form.'.$formname.'.filename'}; +sub clean_filename { + my ($fname,$args)=@_; # Replace Windows backslashes by forward slashes $fname=~s/\\/\//g; -# Get rid of everything but the actual filename - $fname=~s/^.*\/([^\/]+)$/$1/; + if (!$args->{'keep_path'}) { + # Get rid of everything but the actual filename + $fname=~s/^.*\/([^\/]+)$/$1/; + } # Replace spaces by underscores $fname=~s/\s+/\_/g; # Replace all other weird characters by nothing - $fname=~s/[^\w\.\-]//g; + $fname=~s{[^/\w\.\-]}{}g; +# Replace all .\d. sequences with _\d. so they no longer look like version +# numbers + $fname=~s/\.(\d+)(?=\.)/_$1/g; + return $fname; +} + +# --------------- Take an uploaded file and put it into the userfiles directory +# input: $formname - the contents of the file are in $env{"form.$formname"} +# the desired filenam is in $env{"form.$formname.filename"} +# $coursedoc - if true up to the current course +# if false +# $subdir - directory in userfile to store the file into +# $parser - instruction to parse file for objects ($parser = parse) +# $allfiles - reference to hash for embedded objects +# $codebase - reference to hash for codebase of java objects +# $desuname - username for permanent storage of uploaded file +# $dsetudom - domain for permanaent storage of uploaded file +# $thumbwidth - width (pixels) of thumbnail to make for uploaded image +# $thumbheight - height (pixels) of thumbnail to make for uploaded image +# +# output: url of file in userspace, or error: +# or /adm/notfound.html if failure to upload occurse + + +sub userfileupload { + my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname, + $destudom,$thumbwidth,$thumbheight)=@_; + if (!defined($subdir)) { $subdir='unknown'; } + my $fname=$env{'form.'.$formname.'.filename'}; + $fname=&clean_filename($fname); # See if there is anything left unless ($fname) { return 'error: no uploaded file'; } - chop($ENV{'form.'.$formname}); + chop($env{'form.'.$formname}); + if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { #files uploaded to help request form are handled differently + my $now = time; + my $filepath = 'tmp/helprequests/'.$now; + my @parts=split(/\//,$filepath); + my $fullpath = $perlvar{'lonDaemons'}; + for (my $i=0;$i<@parts;$i++) { + $fullpath .= '/'.$parts[$i]; + if ((-e $fullpath)!=1) { + mkdir($fullpath,0777); + } + } + open(my $fh,'>'.$fullpath.'/'.$fname); + print $fh $env{'form.'.$formname}; + close($fh); + return $fullpath.'/'.$fname; + } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) { #files uploaded to create course page are handled differently + my $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}. + '_'.$env{'user.domain'}.'/pending'; + my @parts=split(/\//,$filepath); + my $fullpath = $perlvar{'lonDaemons'}; + for (my $i=0;$i<@parts;$i++) { + $fullpath .= '/'.$parts[$i]; + if ((-e $fullpath)!=1) { + mkdir($fullpath,0777); + } + } + open(my $fh,'>'.$fullpath.'/'.$fname); + print $fh $env{'form.'.$formname}; + close($fh); + return $fullpath.'/'.$fname; + } + # Create the directory if not present - my $docuname=''; - my $docudom=''; - my $docuhome=''; + $fname="$subdir/$fname"; if ($coursedoc) { - $docuname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - $docudom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; - $docuhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; - } else { - $docuname=$ENV{'user.name'}; - $docudom=$ENV{'user.domain'}; - $docuhome=$ENV{'user.home'}; + my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + if ($env{'form.folder'} =~ m/^(default|supplemental)/) { + return &finishuserfileupload($docuname,$docudom, + $formname,$fname,$parser,$allfiles, + $codebase,$thumbwidth,$thumbheight); + } else { + $fname=$env{'form.folder'}.'/'.$fname; + return &process_coursefile('uploaddoc',$docuname,$docudom, + $fname,$formname,$parser, + $allfiles,$codebase); + } + } elsif (defined($destuname)) { + my $docuname=$destuname; + my $docudom=$destudom; + return &finishuserfileupload($docuname,$docudom,$formname,$fname, + $parser,$allfiles,$codebase, + $thumbwidth,$thumbheight); + + } else { + my $docuname=$env{'user.name'}; + my $docudom=$env{'user.domain'}; + if (exists($env{'form.group'})) { + $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; + $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + } + return &finishuserfileupload($docuname,$docudom,$formname,$fname, + $parser,$allfiles,$codebase, + $thumbwidth,$thumbheight); } - return - &finishuserfileupload($docuname,$docudom,$docuhome,$formname,$fname); } sub finishuserfileupload { - my ($docuname,$docudom,$docuhome,$formname,$fname)=@_; + my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase, + $thumbwidth,$thumbheight) = @_; my $path=$docudom.'/'.$docuname.'/'; my $filepath=$perlvar{'lonDocRoot'}; + my ($fnamepath,$file,$fetchthumb); + $file=$fname; + if ($fname=~m|/|) { + ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|); + $path.=$fnamepath.'/'; + } my @parts=split(/\//,$filepath.'/userfiles/'.$path); my $count; for ($count=4;$count<=$#parts;$count++) { @@ -1250,23 +1963,220 @@ sub finishuserfileupload { } # Save the file { - my $fh=Apache::File->new('>'.$filepath.'/'.$fname); - print $fh $ENV{'form.'.$formname}; + if (!open(FH,'>'.$filepath.'/'.$file)) { + &logthis('Failed to create '.$filepath.'/'.$file); + print STDERR ('Failed to create '.$filepath.'/'.$file."\n"); + return '/adm/notfound.html'; + } + if (!print FH ($env{'form.'.$formname})) { + &logthis('Failed to write to '.$filepath.'/'.$file); + print STDERR ('Failed to write to '.$filepath.'/'.$file."\n"); + return '/adm/notfound.html'; + } + close(FH); + } + if ($parser eq 'parse') { + my $parse_result = &extract_embedded_items($filepath,$file,$allfiles, + $codebase); + unless ($parse_result eq 'ok') { + &logthis('Failed to parse '.$filepath.$file. + ' for embedded media: '.$parse_result); + } + } + if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) { + my $input = $filepath.'/'.$file; + my $output = $filepath.'/'.'tn-'.$file; + my $thumbsize = $thumbwidth.'x'.$thumbheight; + system("convert -sample $thumbsize $input $output"); + if (-e $filepath.'/'.'tn-'.$file) { + $fetchthumb = 1; + } } + # Notify homeserver to grep it # - - my $fetchresult= - &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$fname,$docuhome); + my $docuhome=&homeserver($docuname,$docudom); + my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); if ($fetchresult eq 'ok') { + if ($fetchthumb) { + my $thumbresult= &reply('fetchuserfile:'.$path.'tn-'.$file,$docuhome); + if ($thumbresult ne 'ok') { + &logthis('Failed to transfer '.$path.'tn-'.$file.' to host '. + $docuhome.': '.$thumbresult); + } + } # # Return the URL to it - return '/uploaded/'.$path.$fname; + return '/uploaded/'.$path.$file; } else { - &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$fname. - ' to host '.$docuhome.': '.$fetchresult); + &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome. + ': '.$fetchresult); return '/adm/notfound.html'; - } + } +} + +sub extract_embedded_items { + my ($filepath,$file,$allfiles,$codebase,$content) = @_; + my @state = (); + my %javafiles = ( + codebase => '', + code => '', + archive => '' + ); + my %mediafiles = ( + src => '', + movie => '', + ); + my $p; + if ($content) { + $p = HTML::LCParser->new($content); + } else { + $p = HTML::LCParser->new($filepath.'/'.$file); + } + while (my $t=$p->get_token()) { + if ($t->[0] eq 'S') { + my ($tagname, $attr) = ($t->[1],$t->[2]); + push(@state, $tagname); + if (lc($tagname) eq 'allow') { + &add_filetype($allfiles,$attr->{'src'},'src'); + } + if (lc($tagname) eq 'img') { + &add_filetype($allfiles,$attr->{'src'},'src'); + } + if (lc($tagname) eq 'a') { + &add_filetype($allfiles,$attr->{'href'},'href'); + } + if (lc($tagname) eq 'script') { + if ($attr->{'archive'} =~ /\.jar$/i) { + &add_filetype($allfiles,$attr->{'archive'},'archive'); + } else { + &add_filetype($allfiles,$attr->{'src'},'src'); + } + } + if (lc($tagname) eq 'link') { + if (lc($attr->{'rel'}) eq 'stylesheet') { + &add_filetype($allfiles,$attr->{'href'},'href'); + } + } + if (lc($tagname) eq 'object' || + (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')) { + foreach my $item (keys(%javafiles)) { + $javafiles{$item} = ''; + } + } + if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') { + my $name = lc($attr->{'name'}); + foreach my $item (keys(%javafiles)) { + if ($name eq $item) { + $javafiles{$item} = $attr->{'value'}; + last; + } + } + foreach my $item (keys(%mediafiles)) { + if ($name eq $item) { + &add_filetype($allfiles, $attr->{'value'}, 'value'); + last; + } + } + } + if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') { + foreach my $item (keys(%javafiles)) { + if ($attr->{$item}) { + $javafiles{$item} = $attr->{$item}; + last; + } + } + foreach my $item (keys(%mediafiles)) { + if ($attr->{$item}) { + &add_filetype($allfiles,$attr->{$item},$item); + last; + } + } + } + } elsif ($t->[0] eq 'E') { + my ($tagname) = ($t->[1]); + if ($javafiles{'codebase'} ne '') { + $javafiles{'codebase'} .= '/'; + } + if (lc($tagname) eq 'applet' || + lc($tagname) eq 'object' || + (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object') + ) { + foreach my $item (keys(%javafiles)) { + if ($item ne 'codebase' && $javafiles{$item} ne '') { + my $file=$javafiles{'codebase'}.$javafiles{$item}; + &add_filetype($allfiles,$file,$item); + } + } + } + pop @state; + } + } + return 'ok'; +} + +sub add_filetype { + my ($allfiles,$file,$type)=@_; + if (exists($allfiles->{$file})) { + unless (grep/^\Q$type\E$/, @{$allfiles->{$file}}) { + push(@{$allfiles->{$file}}, &escape($type)); + } + } else { + @{$allfiles->{$file}} = (&escape($type)); + } +} + +sub removeuploadedurl { + my ($url)=@_; + my (undef,undef,$udom,$uname,$fname)=split('/',$url,5); + return &removeuserfile($uname,$udom,$fname); +} + +sub removeuserfile { + my ($docuname,$docudom,$fname)=@_; + my $home=&homeserver($docuname,$docudom); + my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home); + if ($result eq 'ok') { + if (($fname !~ /\.meta$/) && (&is_portfolio_file($fname))) { + my $metafile = $fname.'.meta'; + my $metaresult = &removeuserfile($docuname,$docudom,$metafile); + my $url = "/uploaded/$docudom/$docuname/$fname"; + my ($file,$group) = (&parse_portfolio_url($url))[3,4]; + my $sqlresult = + &update_portfolio_table($docuname,$docudom,$file, + 'portfolio_metadata',$group, + 'delete'); + } + } + return $result; +} + +sub mkdiruserfile { + my ($docuname,$docudom,$dir)=@_; + my $home=&homeserver($docuname,$docudom); + return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home); +} + +sub renameuserfile { + my ($docuname,$docudom,$old,$new)=@_; + my $home=&homeserver($docuname,$docudom); + my $result = &reply("renameuserfile:$docudom:$docuname:". + &escape("$old").':'.&escape("$new"),$home); + if ($result eq 'ok') { + if (($old !~ /\.meta$/) && (&is_portfolio_file($old))) { + my $oldmeta = $old.'.meta'; + my $newmeta = $new.'.meta'; + my $metaresult = + &renameuserfile($docuname,$docudom,$oldmeta,$newmeta); + my $url = "/uploaded/$docudom/$docuname/$old"; + my ($file,$group) = (&parse_portfolio_url($url))[3,4]; + my $sqlresult = + &update_portfolio_table($docuname,$docudom,$file, + 'portfolio_metadata',$group, + 'delete'); + } + } + return $result; } # ------------------------------------------------------------------------- Log @@ -1292,8 +2202,7 @@ sub flushcourselogs { # times and course titles for all courseids # my %courseidbuffer=(); - foreach (keys %courselogs) { - my $crsid=$_; + foreach my $crsid (keys(%courselogs)) { if (&reply('log:'.$coursedombuf{$crsid}.':'.$coursenumbuf{$crsid}.':'. &escape($courselogs{$crsid}), $coursehombuf{$crsid}) eq 'ok') { @@ -1301,44 +2210,68 @@ sub flushcourselogs { } else { &logthis('Failed to flush log buffer for '.$crsid); if (length($courselogs{$crsid})>40000) { - &logthis("WARNING: Buffer for ".$crsid. + &logthis("WARNING: Buffer for ".$crsid. " exceeded maximum size, deleting."); delete $courselogs{$crsid}; } } - if ($courseidbuffer{$coursehombuf{$crsid}}) { - $courseidbuffer{$coursehombuf{$crsid}}.='&'. - &escape($crsid).'='.&escape($coursedescrbuf{$crsid}); - } else { - $courseidbuffer{$coursehombuf{$crsid}}= - &escape($crsid).'='.&escape($coursedescrbuf{$crsid}); - } + $courseidbuffer{$coursehombuf{$crsid}}{$crsid} = { + 'description' => $coursedescrbuf{$crsid}, + 'inst_code' => $courseinstcodebuf{$crsid}, + 'type' => $coursetypebuf{$crsid}, + 'owner' => $courseownerbuf{$crsid}, + }; } # # Write course id database (reverse lookup) to homeserver of courses # Is used in pickcourse # - foreach (keys %courseidbuffer) { - &courseidput($hostdom{$_},$courseidbuffer{$_},$_); + foreach my $crs_home (keys(%courseidbuffer)) { + my $response = &courseidput(&host_domain($crs_home), + $courseidbuffer{$crs_home}, + $crs_home,'timeonly'); } # # File accesses # Writes to the dynamic metadata of resources to get hit counts, etc. # - foreach (keys %accesshash) { - my $entry=$_; - $entry=~/\_\_\_(\w+)\/(\w+)\/(.*)\_\_\_(\w+)$/; - my %temphash=($entry => $accesshash{$entry}); - if (&Apache::lonnet::put('nohist_resevaldata',\%temphash,$1,$2) eq 'ok') { - delete $accesshash{$entry}; + foreach my $entry (keys(%accesshash)) { + if ($entry =~ /___count$/) { + my ($dom,$name); + ($dom,$name,undef)= + ($entry=~m{___($match_domain)/($match_name)/(.*)___count$}); + if (! defined($dom) || $dom eq '' || + ! defined($name) || $name eq '') { + my $cid = $env{'request.course.id'}; + $dom = $env{'request.'.$cid.'.domain'}; + $name = $env{'request.'.$cid.'.num'}; + } + my $value = $accesshash{$entry}; + my (undef,$url,undef) = ($entry =~ /^(.*)___(.*)___count$/); + my %temphash=($url => $value); + my $result = &inc('nohist_accesscount',\%temphash,$dom,$name); + if ($result eq 'ok') { + delete $accesshash{$entry}; + } elsif ($result eq 'unknown_cmd') { + # Target server has old code running on it. + my %temphash=($entry => $value); + if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { + delete $accesshash{$entry}; + } + } + } else { + my ($dom,$name) = ($entry=~m{___($match_domain)/($match_name)/(.*)___(\w+)$}); + my %temphash=($entry => $accesshash{$entry}); + if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { + delete $accesshash{$entry}; + } } } # # Roles # Reverse lookup of user roles for course faculty/staff and co-authorship # - foreach (keys %userrolehash) { - my $entry=$_; + foreach my $entry (keys(%userrolehash)) { my ($role,$uname,$udom,$runame,$rudom,$rsec)= split(/\:/,$entry); if (&Apache::lonnet::put('nohist_userroles', @@ -1347,40 +2280,82 @@ sub flushcourselogs { delete $userrolehash{$entry}; } } +# +# Reverse lookup of domain roles (dc, ad, li, sc, au) +# + my %domrolebuffer = (); + foreach my $entry (keys %domainrolehash) { + my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry); + if ($domrolebuffer{$rudom}) { + $domrolebuffer{$rudom}.='&'.&escape($entry). + '='.&escape($domainrolehash{$entry}); + } else { + $domrolebuffer{$rudom}.=&escape($entry). + '='.&escape($domainrolehash{$entry}); + } + delete $domainrolehash{$entry}; + } + foreach my $dom (keys(%domrolebuffer)) { + my %servers = &get_servers($dom,'library'); + foreach my $tryserver (keys(%servers)) { + unless (&reply('domroleput:'.$dom.':'. + $domrolebuffer{$dom},$tryserver) eq 'ok') { + &logthis('Put of domain roles failed for '.$dom.' and '.$tryserver); + } + } + } $dumpcount++; } sub courselog { my $what=shift; $what=time.':'.$what; - unless ($ENV{'request.course.id'}) { return ''; } - $coursedombuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; - $coursenumbuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - $coursehombuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; - $coursedescrbuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - if (defined $courselogs{$ENV{'request.course.id'}}) { - $courselogs{$ENV{'request.course.id'}}.='&'.$what; + unless ($env{'request.course.id'}) { return ''; } + $coursedombuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.domain'}; + $coursenumbuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.num'}; + $coursehombuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.home'}; + $coursedescrbuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.description'}; + $courseinstcodebuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}; + $courseownerbuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'}; + $coursetypebuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.type'}; + if (defined $courselogs{$env{'request.course.id'}}) { + $courselogs{$env{'request.course.id'}}.='&'.$what; } else { - $courselogs{$ENV{'request.course.id'}}.=$what; + $courselogs{$env{'request.course.id'}}.=$what; } - if (length($courselogs{$ENV{'request.course.id'}})>4048) { + if (length($courselogs{$env{'request.course.id'}})>4048) { &flushcourselogs(); } } sub courseacclog { my $fnsymb=shift; - unless ($ENV{'request.course.id'}) { return ''; } - my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; - if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) { + unless ($env{'request.course.id'}) { return ''; } + my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'}; + if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|task|page)$/) { $what.=':POST'; - foreach (keys %ENV) { - if ($_=~/^form\.(.*)/) { - $what.=':'.$1.'='.$ENV{$_}; + # FIXME: Probably ought to escape things.... + foreach my $key (keys(%env)) { + if ($key=~/^form\.(.*)/) { + $what.=':'.$1.'='.$env{$key}; + } + } + } elsif ($fnsymb =~ m:^/adm/searchcat:) { + # FIXME: We should not be depending on a form parameter that someone + # editing lonsearchcat.pm might change in the future. + if ($env{'form.phase'} eq 'course_search') { + $what.= ':POST'; + # FIXME: Probably ought to escape things.... + foreach my $element ('courseexp','crsfulltext','crsrelated', + 'crsdiscuss') { + $what.=':'.$element.'='.$env{'form.'.$element}; } } } @@ -1389,14 +2364,11 @@ sub courseacclog { sub countacc { my $url=&declutter(shift); - unless ($ENV{'request.course.id'}) { return ''; } - $accesshash{$ENV{'request.course.id'}.'___'.$url.'___course'}=1; + return if (! defined($url) || $url eq ''); + unless ($env{'request.course.id'}) { return ''; } + $accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1; my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count'; - if (defined($accesshash{$key})) { - $accesshash{$key}++; - } else { - $accesshash{$key}=1; - } + $accesshash{$key}++; } sub linklog { @@ -1409,30 +2381,60 @@ sub linklog { sub userrolelog { my ($trole,$username,$domain,$area,$tstart,$tend)=@_; - if (($trole=~/^ca/) || ($trole=~/^in/) || - ($trole=~/^cc/) || ($trole=~/^ep/) || - ($trole=~/^cr/)) { + if (($trole=~/^ca/) || ($trole=~/^aa/) || + ($trole=~/^in/) || ($trole=~/^cc/) || + ($trole=~/^ep/) || ($trole=~/^cr/) || + ($trole=~/^ta/)) { my (undef,$rudom,$runame,$rsec)=split(/\//,$area); $userrolehash {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} =$tend.':'.$tstart; - } + } + if (($env{'request.role'} =~ /dc\./) && + (($trole=~/^au/) || ($trole=~/^in/) || + ($trole=~/^cc/) || ($trole=~/^ep/) || + ($trole=~/^cr/) || ($trole=~/^ta/))) { + $userrolehash + {$trole.':'.$username.':'.$domain.':'.$env{'user.name'}.':'.$env{'user.domain'}.':'} + =$tend.':'.$tstart; + } + if (($trole=~/^dc/) || ($trole=~/^ad/) || + ($trole=~/^li/) || ($trole=~/^li/) || + ($trole=~/^au/) || ($trole=~/^dg/) || + ($trole=~/^sc/)) { + my (undef,$rudom,$runame,$rsec)=split(/\//,$area); + $domainrolehash + {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} + = $tend.':'.$tstart; + } } sub get_course_adv_roles { my $cid=shift; - $cid=$ENV{'request.course.id'} unless (defined($cid)); + $cid=$env{'request.course.id'} unless (defined($cid)); my %coursehash=&coursedescription($cid); + my %nothide=(); + foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { + if ($user !~ /:/) { + $nothide{join(':',split(/[\@]/,$user))}=1; + } else { + $nothide{$user}=1; + } + } my %returnhash=(); my %dumphash= &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'}); my $now=time; - foreach (keys %dumphash) { - my ($tend,$tstart)=split(/\:/,$dumphash{$_}); + foreach my $entry (keys %dumphash) { + my ($tend,$tstart)=split(/\:/,$dumphash{$entry}); if (($tstart) && ($tstart<0)) { next; } if (($tend) && ($tend<$now)) { next; } if (($tstart) && ($now<$tstart)) { next; } - my ($role,$username,$domain,$section)=split(/\:/,$_); + my ($role,$username,$domain,$section)=split(/\:/,$entry); + if ($username eq '' || $domain eq '') { next; } + if ((&privileged($username,$domain)) && + (!$nothide{$username.':'.$domain})) { next; } + if ($role eq 'cr') { next; } my $key=&plaintext($role); if ($section) { $key.=' (Sec/Grp '.$section.')'; } if ($returnhash{$key}) { @@ -1445,21 +2447,88 @@ sub get_course_adv_roles { } sub get_my_roles { - my ($uname,$udom)=@_; - unless (defined($uname)) { $uname=$ENV{'user.name'}; } - unless (defined($udom)) { $udom=$ENV{'user.domain'}; } - my %dumphash= + my ($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv)=@_; + unless (defined($uname)) { $uname=$env{'user.name'}; } + unless (defined($udom)) { $udom=$env{'user.domain'}; } + my (%dumphash,%nothide); + if ($context eq 'userroles') { + %dumphash = &dump('roles',$udom,$uname); + } else { + %dumphash= &dump('nohist_userroles',$udom,$uname); + if ($hidepriv) { + my %coursehash=&coursedescription($udom.'_'.$uname); + foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { + if ($user !~ /:/) { + $nothide{join(':',split(/[\@]/,$user))} = 1; + } else { + $nothide{$user} = 1; + } + } + } + } my %returnhash=(); my $now=time; - foreach (keys %dumphash) { - my ($tend,$tstart)=split(/\:/,$dumphash{$_}); + foreach my $entry (keys(%dumphash)) { + my ($role,$tend,$tstart); + if ($context eq 'userroles') { + ($role,$tend,$tstart)=split(/_/,$dumphash{$entry}); + } else { + ($tend,$tstart)=split(/\:/,$dumphash{$entry}); + } if (($tstart) && ($tstart<0)) { next; } - if (($tend) && ($tend<$now)) { next; } - if (($tstart) && ($now<$tstart)) { next; } - my ($role,$username,$domain,$section)=split(/\:/,$_); - $returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend; - } + my $status = 'active'; + if (($tend) && ($tend<=$now)) { + $status = 'previous'; + } + if (($tstart) && ($now<$tstart)) { + $status = 'future'; + } + if (ref($types) eq 'ARRAY') { + if (!grep(/^\Q$status\E$/,@{$types})) { + next; + } + } else { + if ($status ne 'active') { + next; + } + } + my ($rolecode,$username,$domain,$section,$area); + if ($context eq 'userroles') { + ($area,$rolecode) = split(/_/,$entry); + (undef,$domain,$username,$section) = split(/\//,$area); + } else { + ($role,$username,$domain,$section) = split(/\:/,$entry); + } + if (ref($roledoms) eq 'ARRAY') { + if (!grep(/^\Q$domain\E$/,@{$roledoms})) { + next; + } + } + if (ref($roles) eq 'ARRAY') { + if (!grep(/^\Q$role\E$/,@{$roles})) { + if ($role =~ /^cr\//) { + if (!grep(/^cr$/,@{$roles})) { + next; + } + } else { + next; + } + } + } + if ($hidepriv) { + if ((&privileged($username,$domain)) && + (!$nothide{$username.':'.$domain})) { + next; + } + } + if ($withsec) { + $returnhash{$username.':'.$domain.':'.$role.':'.$section} = + $tstart.':'.$tend; + } else { + $returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend; + } + } return %returnhash; } @@ -1469,20 +2538,21 @@ sub get_my_roles { sub postannounce { my ($server,$text)=@_; - unless (&allowed('psa',$hostdom{$server})) { return 'refused'; } + unless (&allowed('psa',&host_domain($server))) { return 'refused'; } unless ($text=~/\w/) { $text=''; } return &reply('setannounce:'.&escape($text),$server); } sub getannounce { - if (my $fh=Apache::File->new($perlvar{'lonDocRoot'}.'/announcement.txt')) { + + if (open(my $fh,$perlvar{'lonDocRoot'}.'/announcement.txt')) { my $announcement=''; - while (<$fh>) { $announcement .=$_; } - $fh->close(); + while (my $line = <$fh>) { $announcement .= $line; } + close($fh); if ($announcement=~/\w/) { return ''. - '
'.$announcement.'
'; + ''.$announcement.''; } else { return ''; } @@ -1496,34 +2566,180 @@ sub getannounce { # sub courseidput { - my ($domain,$what,$coursehome)=@_; - return &reply('courseidput:'.$domain.':'.$what,$coursehome); + my ($domain,$storehash,$coursehome,$caller) = @_; + my $outcome; + if ($caller eq 'timeonly') { + my $cids = ''; + foreach my $item (keys(%$storehash)) { + $cids.=&escape($item).'&'; + } + $cids=~s/\&$//; + $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$cids, + $coursehome); + } else { + my $items = ''; + foreach my $item (keys(%$storehash)) { + $items.= &escape($item).'='. + &freeze_escape($$storehash{$item}).'&'; + } + $items=~s/\&$//; + $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$items, + $coursehome); + } + if ($outcome eq 'unknown_cmd') { + my $what; + foreach my $cid (keys(%$storehash)) { + $what .= &escape($cid).'='; + foreach my $item ('description','inst_code','owner','type') { + $what .= &escape($storehash->{$cid}{$item}).':'; + } + $what =~ s/\:$/&/; + } + $what =~ s/\&$//; + return &reply('courseidput:'.$domain.':'.$what,$coursehome); + } else { + return $outcome; + } } sub courseiddump { - my ($domfilter,$descfilter,$sincefilter)=@_; - my %returnhash=(); - unless ($domfilter) { $domfilter=''; } - foreach my $tryserver (keys %libserv) { - if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) { - foreach ( - split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'. - $sincefilter.':'.&escape($descfilter), - $tryserver))) { - my ($key,$value)=split(/\=/,$_); - if (($key) && ($value)) { - $returnhash{&unescape($key)}=&unescape($value); + my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter, + $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok)=@_; + my $as_hash = 1; + my %returnhash; + if (!$domfilter) { $domfilter=''; } + my %libserv = &all_library(); + foreach my $tryserver (keys(%libserv)) { + if ( ( $hostidflag == 1 + && grep(/^\Q$tryserver\E$/,@{$hostidref}) ) + || (!defined($hostidflag)) ) { + + if (($domfilter eq '') || + (&host_domain($tryserver) eq $domfilter)) { + my $rep = + &reply('courseiddump:'.&host_domain($tryserver).':'. + $sincefilter.':'.&escape($descfilter).':'. + &escape($instcodefilter).':'.&escape($ownerfilter). + ':'.&escape($coursefilter).':'.&escape($typefilter). + ':'.&escape($regexp_ok).':'.$as_hash,$tryserver); + my @pairs=split(/\&/,$rep); + foreach my $item (@pairs) { + my ($key,$value)=split(/\=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + my $result = &thaw_unescape($value); + if (ref($result) eq 'HASH') { + $returnhash{$key}=$result; + } else { + my @responses = split(/:/,$value); + my @items = ('description','inst_code','owner','type'); + for (my $i=0; $i<@responses; $i++) { + $returnhash{$key}{$items[$i]} = &unescape($responses[$i]); + } + } } } + } + } + return %returnhash; +} + +# ---------------------------------------------------------- DC e-mail + +sub dcmailput { + my ($domain,$msgid,$message,$server)=@_; + my $status = &Apache::lonnet::critical( + 'dcmailput:'.$domain.':'.&escape($msgid).'='. + &escape($message),$server); + return $status; +} +sub dcmaildump { + my ($dom,$startdate,$enddate,$senders) = @_; + my %returnhash=(); + + if (defined(&domain($dom,'primary'))) { + my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'. + &escape($enddate).':'; + my @esc_senders=map { &escape($_)} @$senders; + $cmd.=&escape(join('&',@esc_senders)); + foreach my $line (split(/\&/,&reply($cmd,&domain($dom,'primary')))) { + my ($key,$value) = split(/\=/,$line,2); + if (($key) && ($value)) { + $returnhash{&unescape($key)} = &unescape($value); + } } } return %returnhash; } +# ---------------------------------------------------------- Domain roles + +sub get_domain_roles { + my ($dom,$roles,$startdate,$enddate)=@_; + if (undef($startdate) || $startdate eq '') { + $startdate = '.'; + } + if (undef($enddate) || $enddate eq '') { + $enddate = '.'; + } + my $rolelist; + if (ref($roles) eq 'ARRAY') { + $rolelist = join(':',@{$roles}); + } + my %personnel = (); + + my %servers = &get_servers($dom,'library'); + foreach my $tryserver (keys(%servers)) { + %{$personnel{$tryserver}}=(); + foreach my $line (split(/\&/,&reply('domrolesdump:'.$dom.':'. + &escape($startdate).':'. + &escape($enddate).':'. + &escape($rolelist), $tryserver))) { + my ($key,$value) = split(/\=/,$line,2); + if (($key) && ($value)) { + $personnel{$tryserver}{&unescape($key)} = &unescape($value); + } + } + } + return %personnel; +} -# # ----------------------------------------------------------- Check out an item +sub get_first_access { + my ($type,$argsymb)=@_; + my ($symb,$courseid,$udom,$uname)=&whichuser(); + if ($argsymb) { $symb=$argsymb; } + my ($map,$id,$res)=&decode_symb($symb); + if ($type eq 'course') { + $res='course'; + } elsif ($type eq 'map') { + $res=&symbread($map); + } else { + $res=$symb; + } + my %times=&get('firstaccesstimes',["$courseid\0$res"],$udom,$uname); + return $times{"$courseid\0$res"}; +} + +sub set_first_access { + my ($type)=@_; + my ($symb,$courseid,$udom,$uname)=&whichuser(); + my ($map,$id,$res)=&decode_symb($symb); + if ($type eq 'course') { + $res='course'; + } elsif ($type eq 'map') { + $res=&symbread($map); + } else { + $res=$symb; + } + my $firstaccess=&get_first_access($type,$symb); + if (!$firstaccess) { + return &put('firstaccesstimes',{"$courseid\0$res"=>time},$udom,$uname); + } + return 'already_set'; +} + sub checkout { my ($symb,$tuname,$tudom,$tcrsid)=@_; my $now=time; @@ -1537,7 +2753,7 @@ sub checkout { $now.'&'.$ENV{'REMOTE_ADDR'}); my $token=&reply('tmpput:'.$infostr,$lonhost); if ($token=~/^error\:/) { - &logthis("WARNING: ". + &logthis("WARNING: ". "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. ""); return ''; @@ -1553,7 +2769,7 @@ sub checkout { unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { return ''; } else { - &logthis("WARNING: ". + &logthis("WARNING: ". "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. ""); } @@ -1563,7 +2779,7 @@ sub checkout { $token)) ne 'ok') { return ''; } else { - &logthis("WARNING: ". + &logthis("WARNING: ". "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. ""); } @@ -1577,7 +2793,7 @@ sub checkin { my $now=time; my ($ta,$tb,$lonhost)=split(/\*/,$token); $lonhost=~tr/A-Z/a-z/; - my $dtoken=$ta.'_'.$hostip{$lonhost}.'_'.$tb; + my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb; $dtoken=~s/\W/\_/g; my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)= split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost))); @@ -1589,7 +2805,7 @@ sub checkin { unless (&allowed('mgr',$tcrsid)) { &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '. - $ENV{'user.name'}.' - '.$ENV{'user.domain'}); + $env{'user.name'}.' - '.$env{'user.domain'}); return ''; } @@ -1613,15 +2829,15 @@ sub checkin { sub expirespread { my ($uname,$udom,$stype,$usymb)=@_; - my $cid=$ENV{'request.course.id'}; + my $cid=$env{'request.course.id'}; if ($cid) { my $now=time; my $key=$uname.':'.$udom.':'.$stype.':'.$usymb; - return &reply('put:'.$ENV{'course.'.$cid.'.domain'}.':'. - $ENV{'course.'.$cid.'.num'}. + return &reply('put:'.$env{'course.'.$cid.'.domain'}.':'. + $env{'course.'.$cid.'.num'}. ':nohist_expirationdates:'. &escape($key).'='.$now, - $ENV{'course.'.$cid.'.home'}) + $env{'course.'.$cid.'.home'}) } return 'ok'; } @@ -1630,18 +2846,19 @@ sub expirespread { sub devalidate { my ($symb,$uname,$udom)=@_; - my $cid=$ENV{'request.course.id'}; + my $cid=$env{'request.course.id'}; if ($cid) { # delete the stored spreadsheets for # - the student level sheet of this user in course's homespace # - the assessment level sheet for this resource # for this user in user's homespace + # - current conditional state info my $key=$uname.':'.$udom.':'; my $status= &del('nohist_calculatedsheets', [$key.'studentcalc:'], - $ENV{'course.'.$cid.'.domain'}, - $ENV{'course.'.$cid.'.num'}) + $env{'course.'.$cid.'.domain'}, + $env{'course.'.$cid.'.num'}) .' '. &del('nohist_calculatedsheets_'.$cid, [$key.'assesscalc:'.$symb],$udom,$uname); @@ -1650,6 +2867,7 @@ sub devalidate { $uname.' at '.$udom.' for '. $symb.': '.$status); } + &delenv('user.state.'.$cid); } } @@ -1702,27 +2920,27 @@ sub hash2str { sub hashref2str { my ($hashref)=@_; my $result='__HASH_REF__'; - foreach (keys(%$hashref)) { - if (ref($_) eq 'ARRAY') { - $result.=&arrayref2str($_).'='; - } elsif (ref($_) eq 'HASH') { - $result.=&hashref2str($_).'='; - } elsif (ref($_)) { + foreach my $key (sort(keys(%$hashref))) { + if (ref($key) eq 'ARRAY') { + $result.=&arrayref2str($key).'='; + } elsif (ref($key) eq 'HASH') { + $result.=&hashref2str($key).'='; + } elsif (ref($key)) { $result.='='; - #print("Got a ref of ".(ref($_))." skipping."); + #print("Got a ref of ".(ref($key))." skipping."); } else { - if ($_) {$result.=&escape($_).'=';} else { last; } + if ($key) {$result.=&escape($key).'=';} else { last; } } - if(ref($hashref->{$_}) eq 'ARRAY') { - $result.=&arrayref2str($hashref->{$_}).'&'; - } elsif(ref($hashref->{$_}) eq 'HASH') { - $result.=&hashref2str($hashref->{$_}).'&'; - } elsif(ref($hashref->{$_})) { + if(ref($hashref->{$key}) eq 'ARRAY') { + $result.=&arrayref2str($hashref->{$key}).'&'; + } elsif(ref($hashref->{$key}) eq 'HASH') { + $result.=&hashref2str($hashref->{$key}).'&'; + } elsif(ref($hashref->{$key})) { $result.='&'; - #print("Got a ref of ".(ref($hashref->{$_}))." skipping."); + #print("Got a ref of ".(ref($hashref->{$key}))." skipping."); } else { - $result.=&escape($hashref->{$_}).'&'; + $result.=&escape($hashref->{$key}).'&'; } } $result=~s/\&$//; @@ -1850,17 +3068,19 @@ sub tmpreset { my ($symb,$namespace,$domain,$stuname) = @_; if (!$symb) { $symb=&symbread(); - if (!$symb) { $symb= $ENV{'request.url'}; } + if (!$symb) { $symb= $env{'request.url'}; } } $symb=escape($symb); - if (!$namespace) { $namespace=$ENV{'request.state'}; } + if (!$namespace) { $namespace=$env{'request.state'}; } $namespace=~s/\//\_/g; $namespace=~s/\W//g; - #FIXME needs to do something for /pub resources - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if ($domain eq 'public' && $stuname eq 'public') { + $stuname=$ENV{'REMOTE_ADDR'}; + } my $path=$perlvar{'lonDaemons'}.'/tmp'; my %hash; if (tie(%hash,'GDBM_File', @@ -1879,23 +3099,25 @@ sub tmpstore { if (!$symb) { $symb=&symbread(); - if (!$symb) { $symb= $ENV{'request.url'}; } + if (!$symb) { $symb= $env{'request.url'}; } } $symb=escape($symb); if (!$namespace) { # I don't think we would ever want to store this for a course. # it seems this will only be used if we don't have a course. - #$namespace=$ENV{'request.course.id'}; + #$namespace=$env{'request.course.id'}; #if (!$namespace) { - $namespace=$ENV{'request.state'}; + $namespace=$env{'request.state'}; #} } $namespace=~s/\//\_/g; $namespace=~s/\W//g; -#FIXME needs to do something for /pub resources - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if ($domain eq 'public' && $stuname eq 'public') { + $stuname=$ENV{'REMOTE_ADDR'}; + } my $now=time; my %hash; my $path=$perlvar{'lonDaemons'}.'/tmp'; @@ -1907,7 +3129,7 @@ sub tmpstore { my $allkeys=''; foreach my $key (keys(%$storehash)) { $allkeys.=$key.':'; - $hash{"$version:$symb:$key"}=$$storehash{$key}; + $hash{"$version:$symb:$key"}=&freeze_escape($$storehash{$key}); } $hash{"$version:$symb:timestamp"}=$now; $allkeys.='timestamp'; @@ -1929,15 +3151,17 @@ sub tmprestore { if (!$symb) { $symb=&symbread(); - if (!$symb) { $symb= $ENV{'request.url'}; } + if (!$symb) { $symb= $env{'request.url'}; } } $symb=escape($symb); - if (!$namespace) { $namespace=$ENV{'request.state'}; } - #FIXME needs to do something for /pub resources - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$namespace) { $namespace=$env{'request.state'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if ($domain eq 'public' && $stuname eq 'public') { + $stuname=$ENV{'REMOTE_ADDR'}; + } my %returnhash; $namespace=~s/\//\_/g; $namespace=~s/\W//g; @@ -1955,8 +3179,8 @@ sub tmprestore { my $key; $returnhash{"$scope:keys"}=$vkeys; foreach $key (@keys) { - $returnhash{"$scope:$key"}=$hash{"$scope:$symb:$key"}; - $returnhash{"$key"}=$hash{"$scope:$symb:$key"}; + $returnhash{"$scope:$key"}=&thaw_unescape($hash{"$scope:$symb:$key"}); + $returnhash{"$key"}=&thaw_unescape($hash{"$scope:$symb:$key"}); } } if (!(untie(%hash))) { @@ -1979,21 +3203,25 @@ sub store { $symb=&symbclean($symb); if (!$symb) { unless ($symb=&symbread()) { return ''; } } - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } &devalidate($symb,$stuname,$domain); $symb=escape($symb); if (!$namespace) { - unless ($namespace=$ENV{'request.course.id'}) { + unless ($namespace=$env{'request.course.id'}) { return ''; } } - if (!$home) { $home=$ENV{'user.home'}; } + if (!$home) { $home=$env{'user.home'}; } + + $$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; + $$storehash{'host'}=$perlvar{'lonHostID'}; + my $namevalue=''; - foreach (keys %$storehash) { - $namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; + foreach my $key (keys(%$storehash)) { + $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; } $namevalue=~s/\&$//; &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); @@ -2011,22 +3239,25 @@ sub cstore { $symb=&symbclean($symb); if (!$symb) { unless ($symb=&symbread()) { return ''; } } - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } &devalidate($symb,$stuname,$domain); $symb=escape($symb); if (!$namespace) { - unless ($namespace=$ENV{'request.course.id'}) { + unless ($namespace=$env{'request.course.id'}) { return ''; } } - if (!$home) { $home=$ENV{'user.home'}; } + if (!$home) { $home=$env{'user.home'}; } + + $$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; + $$storehash{'host'}=$perlvar{'lonHostID'}; my $namevalue=''; - foreach (keys %$storehash) { - $namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; + foreach my $key (keys(%$storehash)) { + $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; } $namevalue=~s/\&$//; &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); @@ -2048,24 +3279,24 @@ sub restore { $symb=&escape(&symbclean($symb)); } if (!$namespace) { - unless ($namespace=$ENV{'request.course.id'}) { + unless ($namespace=$env{'request.course.id'}) { return ''; } } - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } - if (!$home) { $home=$ENV{'user.home'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if (!$home) { $home=$env{'user.home'}; } my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home"); my %returnhash=(); - foreach (split(/\&/,$answer)) { - my ($name,$value)=split(/\=/,$_); - $returnhash{&unescape($name)}=&unescape($value); + foreach my $line (split(/\&/,$answer)) { + my ($name,$value)=split(/\=/,$line); + $returnhash{&unescape($name)}=&thaw_unescape($value); } my $version; for ($version=1;$version<=$returnhash{'version'};$version++) { - foreach (split(/\:/,$returnhash{$version.':keys'})) { - $returnhash{$_}=$returnhash{$version.':'.$_}; + foreach my $item (split(/\:/,$returnhash{$version.':keys'})) { + $returnhash{$item}=$returnhash{$version.':'.$item}; } } return %returnhash; @@ -2074,7 +3305,7 @@ sub restore { # ---------------------------------------------------------- Course Description sub coursedescription { - my $courseid=shift; + my ($courseid,$args)=@_; $courseid=~s/^\///; $courseid=~s/\_/\//g; my ($cdomain,$cnum)=split(/\//,$courseid); @@ -2084,28 +3315,84 @@ sub coursedescription { # trying and trying and trying to get the course description. my %envhash=(); my %returnhash=(); - $envhash{'course.'.$normalid.'.last_cache'}=time; + + my $expiretime=600; + if ($env{'request.course.id'} eq $normalid) { + $expiretime=120; + } + + my $prefix='course.'.$cdomain.'_'.$cnum.'.'; + if (!$args->{'freshen_cache'} + && ((time-$env{$prefix.'last_cache'}) < $expiretime) ) { + foreach my $key (keys(%env)) { + next if ($key !~ /^\Q$prefix\E(.*)/); + my ($setting) = $1; + $returnhash{$setting} = $env{$key}; + } + return %returnhash; + } + + # get the data agin + if (!$args->{'one_time'}) { + $envhash{'course.'.$normalid.'.last_cache'}=time; + } + if ($chome ne 'no_host') { %returnhash=&dump('environment',$cdomain,$cnum); if (!exists($returnhash{'con_lost'})) { $returnhash{'home'}= $chome; $returnhash{'domain'} = $cdomain; $returnhash{'num'} = $cnum; + if (!defined($returnhash{'type'})) { + $returnhash{'type'} = 'Course'; + } while (my ($name,$value) = each %returnhash) { $envhash{'course.'.$normalid.'.'.$name}=$value; } $returnhash{'url'}=&clutter($returnhash{'url'}); $returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. - $ENV{'user.name'}.'_'.$cdomain.'_'.$cnum; + $env{'user.name'}.'_'.$cdomain.'_'.$cnum; $envhash{'course.'.$normalid.'.home'}=$chome; $envhash{'course.'.$normalid.'.domain'}=$cdomain; $envhash{'course.'.$normalid.'.num'}=$cnum; } } - &appenv(%envhash); + if (!$args->{'one_time'}) { + &appenv(%envhash); + } return %returnhash; } +# -------------------------------------------------See if a user is privileged + +sub privileged { + my ($username,$domain)=@_; + my $rolesdump=&reply("dump:$domain:$username:roles", + &homeserver($username,$domain)); + if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return 0; } + my $now=time; + if ($rolesdump ne '') { + foreach my $entry (split(/&/,$rolesdump)) { + if ($entry!~/^rolesdef_/) { + my ($area,$role)=split(/=/,$entry); + $area=~s/\_\w\w$//; + my ($trole,$tend,$tstart)=split(/_/,$role); + if (($trole eq 'dc') || ($trole eq 'su')) { + my $active=1; + if ($tend) { + if ($tend<$now) { $active=0; } + } + if ($tstart) { + if ($tstart>$now) { $active=0; } + } + if ($active) { return 1; } + } + } + } + } + return 0; +} + # -------------------------------------------------------- Get user privileges sub rolesinit { @@ -2113,110 +3400,168 @@ sub rolesinit { my $rolesdump=reply("dump:$domain:$username:roles",$authhost); if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return ''; } my %allroles=(); - my %thesepriv=(); + my %allgroups=(); my $now=time; - my $userroles="user.login.time=$now\n"; - my $thesestr; + my %userroles = ('user.login.time' => $now); + my $group_privs; if ($rolesdump ne '') { - foreach (split(/&/,$rolesdump)) { - if ($_!~/^rolesdef\&/) { - my ($area,$role)=split(/=/,$_); - $area=~s/\_\w\w$//; - my ($trole,$tend,$tstart)=split(/_/,$role); - $userroles.='user.role.'.$trole.'.'.$area.'='. - $tstart.'.'.$tend."\n"; -# log the associated role with the area - &userrolelog($trole,$username,$domain,$area,$tstart,$tend); - if ($tend!=0) { - if ($tend<$now) { - $trole=''; - } - } - if ($tstart!=0) { - if ($tstart>$now) { - $trole=''; - } - } + foreach my $entry (split(/&/,$rolesdump)) { + if ($entry!~/^rolesdef_/) { + my ($area,$role)=split(/=/,$entry); + $area=~s/\_\w\w$//; + my ($trole,$tend,$tstart,$group_privs); + if ($role=~/^cr/) { + if ($role=~m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) { + ($trole,my $trest)=($role=~m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|); + ($tend,$tstart)=split('_',$trest); + } else { + $trole=$role; + } + } elsif ($role =~ m|^gr/|) { + ($trole,$tend,$tstart) = split(/_/,$role); + ($trole,$group_privs) = split(/\//,$trole); + $group_privs = &unescape($group_privs); + } else { + ($trole,$tend,$tstart)=split(/_/,$role); + } + my %new_role = &set_arearole($trole,$area,$tstart,$tend,$domain, + $username); + @userroles{keys(%new_role)} = @new_role{keys(%new_role)}; + if (($tend!=0) && ($tend<$now)) { $trole=''; } + if (($tstart!=0) && ($tstart>$now)) { $trole=''; } if (($area ne '') && ($trole ne '')) { my $spec=$trole.'.'.$area; my ($tdummy,$tdomain,$trest)=split(/\//,$area); if ($trole =~ /^cr\//) { - my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); - my $homsvr=homeserver($rauthor,$rdomain); - if ($hostname{$homsvr} ne '') { - my ($rdummy,$roledef)= - &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); - - if (($rdummy ne 'con_lost') && ($roledef ne '')) { - my ($syspriv,$dompriv,$coursepriv)= - split(/\_/,$roledef); - if (defined($syspriv)) { - $allroles{'cm./'}.=':'.$syspriv; - $allroles{$spec.'./'}.=':'.$syspriv; - } - if ($tdomain ne '') { - if (defined($dompriv)) { - $allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; - $allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; - } - if ($trest ne '') { - if (defined($coursepriv)) { - $allroles{'cm.'.$area}.=':'.$coursepriv; - $allroles{$spec.'.'.$area}.=':'.$coursepriv; - } - } - } - } - } + &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); + } elsif ($trole eq 'gr') { + &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart); } else { - if (defined($pr{$trole.':s'})) { - $allroles{'cm./'}.=':'.$pr{$trole.':s'}; - $allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; - } - if ($tdomain ne '') { - if (defined($pr{$trole.':d'})) { - $allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; - $allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; - } - if ($trest ne '') { - if (defined($pr{$trole.':c'})) { - $allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; - $allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; - } - } - } + &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); } } - } + } } - my $adv=0; - my $author=0; - foreach (keys %allroles) { - %thesepriv=(); - if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } - if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } - foreach (split(/:/,$allroles{$_})) { - if ($_ ne '') { - my ($privilege,$restrictions)=split(/&/,$_); - if ($restrictions eq '') { - $thesepriv{$privilege}='F'; - } else { - if ($thesepriv{$privilege} ne 'F') { - $thesepriv{$privilege}.=$restrictions; - } + my ($author,$adv) = &set_userprivs(\%userroles,\%allroles,\%allgroups); + $userroles{'user.adv'} = $adv; + $userroles{'user.author'} = $author; + $env{'user.adv'}=$adv; + } + return \%userroles; +} + +sub set_arearole { + my ($trole,$area,$tstart,$tend,$domain,$username) = @_; +# log the associated role with the area + &userrolelog($trole,$username,$domain,$area,$tstart,$tend); + return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend); +} + +sub custom_roleprivs { + my ($allroles,$trole,$tdomain,$trest,$spec,$area) = @_; + my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); + my $homsvr=homeserver($rauthor,$rdomain); + if (&hostname($homsvr) ne '') { + my ($rdummy,$roledef)= + &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); + if (($rdummy ne 'con_lost') && ($roledef ne '')) { + my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef); + if (defined($syspriv)) { + $$allroles{'cm./'}.=':'.$syspriv; + $$allroles{$spec.'./'}.=':'.$syspriv; + } + if ($tdomain ne '') { + if (defined($dompriv)) { + $$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; + $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; + } + if (($trest ne '') && (defined($coursepriv))) { + $$allroles{'cm.'.$area}.=':'.$coursepriv; + $$allroles{$spec.'.'.$area}.=':'.$coursepriv; + } + } + } + } +} + +sub group_roleprivs { + my ($allgroups,$area,$group_privs,$tend,$tstart) = @_; + my $access = 1; + my $now = time; + if (($tend!=0) && ($tend<$now)) { $access = 0; } + if (($tstart!=0) && ($tstart>$now)) { $access=0; } + if ($access) { + my ($course,$group) = ($area =~ m|(/$match_domain/$match_courseid)/([^/]+)$|); + $$allgroups{$course}{$group} .=':'.$group_privs; + } +} + +sub standard_roleprivs { + my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_; + if (defined($pr{$trole.':s'})) { + $$allroles{'cm./'}.=':'.$pr{$trole.':s'}; + $$allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; + } + if ($tdomain ne '') { + if (defined($pr{$trole.':d'})) { + $$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; + $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; + } + if (($trest ne '') && (defined($pr{$trole.':c'}))) { + $$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; + $$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; + } + } +} + +sub set_userprivs { + my ($userroles,$allroles,$allgroups) = @_; + my $author=0; + my $adv=0; + my %grouproles = (); + if (keys(%{$allgroups}) > 0) { + foreach my $role (keys %{$allroles}) { + my ($trole,$area,$sec,$extendedarea); + if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) { + $trole = $1; + $area = $2; + $sec = $3; + $extendedarea = $area.$sec; + if (exists($$allgroups{$area})) { + foreach my $group (keys(%{$$allgroups{$area}})) { + my $spec = $trole.'.'.$extendedarea; + $grouproles{$spec.'.'.$area.'/'.$group} = + $$allgroups{$area}{$group}; } } } - $thesestr=''; - foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } - $userroles.='user.priv.'.$_.'='.$thesestr."\n"; - } - $userroles.='user.adv='.$adv."\n". - 'user.author='.$author."\n"; - $ENV{'user.adv'}=$adv; + } + } + foreach my $group (keys(%grouproles)) { + $$allroles{$group} = $grouproles{$group}; } - return $userroles; + foreach my $role (keys(%{$allroles})) { + my %thesepriv; + if (($role=~/^au/) || ($role=~/^ca/) || ($role=~/^aa/)) { $author=1; } + foreach my $item (split(/:/,$$allroles{$role})) { + if ($item ne '') { + my ($privilege,$restrictions)=split(/&/,$item); + if ($restrictions eq '') { + $thesepriv{$privilege}='F'; + } elsif ($thesepriv{$privilege} ne 'F') { + $thesepriv{$privilege}.=$restrictions; + } + if ($thesepriv{'adv'} eq 'F') { $adv=1; } + } + } + my $thesestr=''; + foreach my $priv (keys(%thesepriv)) { + $thesestr.=':'.$priv.'&'.$thesepriv{$priv}; + } + $userroles->{'user.priv.'.$role} = $thesestr; + } + return ($author,$adv); } # --------------------------------------------------------------- get interface @@ -2224,12 +3569,12 @@ sub rolesinit { sub get { my ($namespace,$storearr,$udomain,$uname)=@_; my $items=''; - foreach (@$storearr) { - $items.=escape($_).'&'; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; } $items=~s/\&$//; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome); @@ -2239,8 +3584,8 @@ sub get { } my %returnhash=(); my $i=0; - foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + foreach my $item (@$storearr) { + $returnhash{$item}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; @@ -2251,12 +3596,12 @@ sub get { sub del { my ($namespace,$storearr,$udomain,$uname)=@_; my $items=''; - foreach (@$storearr) { - $items.=escape($_).'&'; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; } $items=~s/\&$//; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); return &reply("del:$udomain:$uname:$namespace:$items",$uhome); @@ -2265,21 +3610,46 @@ sub del { # -------------------------------------------------------------- dump interface sub dump { - my ($namespace,$udomain,$uname,$regexp)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + my ($namespace,$udomain,$uname,$regexp,$range)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + if ($regexp) { + $regexp=&escape($regexp); + } else { + $regexp='.'; + } + my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); + my @pairs=split(/\&/,$rep); + my %returnhash=(); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } + return %returnhash; +} + +# --------------------------------------------------------- dumpstore interface + +sub dumpstore { + my ($namespace,$udomain,$uname,$regexp,$range)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); if ($regexp) { $regexp=&escape($regexp); } else { $regexp='.'; } - my $rep=reply("dump:$udomain:$uname:$namespace:$regexp",$uhome); + my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); my @pairs=split(/\&/,$rep); my %returnhash=(); - foreach (@pairs) { - my ($key,$value)=split(/=/,$_); - $returnhash{unescape($key)}=unescape($value); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); } return %returnhash; } @@ -2288,13 +3658,14 @@ sub dump { sub getkeys { my ($namespace,$udomain,$uname)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $rep=reply("keys:$udomain:$uname:$namespace",$uhome); my @keyarray=(); - foreach (split(/\&/,$rep)) { - push (@keyarray,&unescape($_)); + foreach my $key (split(/\&/,$rep)) { + next if ($key =~ /^error: 2 /); + push(@keyarray,&unescape($key)); } return @keyarray; } @@ -2302,9 +3673,9 @@ sub getkeys { # --------------------------------------------------------------- currentdump sub currentdump { my ($courseid,$sdom,$sname)=@_; - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); - $sdom = $ENV{'user.domain'} if (! defined($sdom)); - $sname = $ENV{'user.name'} if (! defined($sname)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); + $sdom = $env{'user.domain'} if (! defined($sdom)); + $sname = $env{'user.name'} if (! defined($sname)); my $uhome = &homeserver($sname,$sdom); my $rep=reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome); return if ($rep =~ /^(error:|no_such_host)/); @@ -2314,18 +3685,18 @@ sub currentdump { if ($rep eq "unknown_cmd") { # an old lond will not know currentdump # Do a dump and make it look like a currentdump - my @tmp = &dump($courseid,$sdom,$sname,'.'); + my @tmp = &dumpstore($courseid,$sdom,$sname,'.'); return if ($tmp[0] =~ /^(error:|no_such_host)/); my %hash = @tmp; @tmp=(); %returnhash = %{&convert_dump_to_currentdump(\%hash)}; } else { my @pairs=split(/\&/,$rep); - foreach (@pairs) { - my ($key,$value)=split(/=/,$_); + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair,2); my ($symb,$param) = split(/:/,$key); $returnhash{&unescape($symb)}->{&unescape($param)} = - &unescape($value); + &thaw_unescape($value); } } return %returnhash; @@ -2339,6 +3710,8 @@ sub convert_dump_to_currentdump{ # we might run in to problems with parameter names =~ /^v\./ while (my ($key,$value) = each(%hash)) { my ($v,$symb,$param) = split(/:/,$key); + $symb = &unescape($symb); + $param = &unescape($param); next if ($v eq 'version' || $symb eq 'keys'); next if (exists($returnhash{$symb}) && exists($returnhash{$symb}->{$param}) && @@ -2358,31 +3731,132 @@ sub convert_dump_to_currentdump{ return \%returnhash; } +# ------------------------------------------------------ critical inc interface + +sub cinc { + return &inc(@_,'critical'); +} + +# --------------------------------------------------------------- inc interface + +sub inc { + my ($namespace,$store,$udomain,$uname,$critical) = @_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my $items=''; + if (! ref($store)) { + # got a single value, so use that instead + $items = &escape($store).'=&'; + } elsif (ref($store) eq 'SCALAR') { + $items = &escape($$store).'=&'; + } elsif (ref($store) eq 'ARRAY') { + $items = join('=&',map {&escape($_);} @{$store}); + } elsif (ref($store) eq 'HASH') { + while (my($key,$value) = each(%{$store})) { + $items.= &escape($key).'='.&escape($value).'&'; + } + } + $items=~s/\&$//; + if ($critical) { + return &critical("inc:$udomain:$uname:$namespace:$items",$uhome); + } else { + return &reply("inc:$udomain:$uname:$namespace:$items",$uhome); + } +} + # --------------------------------------------------------------- put interface sub put { my ($namespace,$storehash,$udomain,$uname)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $items=''; - foreach (keys %$storehash) { - $items.=&escape($_).'='.&escape($$storehash{$_}).'&'; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; } $items=~s/\&$//; return &reply("put:$udomain:$uname:$namespace:$items",$uhome); } +# ------------------------------------------------------------ newput interface + +sub newput { + my ($namespace,$storehash,$udomain,$uname)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my $items=''; + foreach my $key (keys(%$storehash)) { + $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; + } + $items=~s/\&$//; + return &reply("newput:$udomain:$uname:$namespace:$items",$uhome); +} + +# --------------------------------------------------------- putstore interface + +sub putstore { + my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my $items=''; + foreach my $key (keys(%$storehash)) { + $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&'; + } + $items=~s/\&$//; + my $esc_symb=&escape($symb); + my $esc_v=&escape($version); + my $reply = + &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items", + $uhome); + if ($reply eq 'unknown_cmd') { + # gfall back to way things use to be done + return &old_putstore($namespace,$symb,$version,$storehash,$udomain, + $uname); + } + return $reply; +} + +sub old_putstore { + my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my %newstorehash; + foreach my $item (keys(%$storehash)) { + my $key = $version.':'.&escape($symb).':'.$item; + $newstorehash{$key} = $storehash->{$item}; + } + my $items=''; + my %allitems = (); + foreach my $item (keys(%newstorehash)) { + if ($item =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) { + my $key = $1.':keys:'.$2; + $allitems{$key} .= $3.':'; + } + $items.=$item.'='.&freeze_escape($newstorehash{$item}).'&'; + } + foreach my $item (keys(%allitems)) { + $allitems{$item} =~ s/\:$//; + $items.= $item.'='.$allitems{$item}.'&'; + } + $items=~s/\&$//; + return &reply("put:$udomain:$uname:$namespace:$items",$uhome); +} + # ------------------------------------------------------ critical put interface sub cput { my ($namespace,$storehash,$udomain,$uname)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $items=''; - foreach (keys %$storehash) { - $items.=escape($_).'='.escape($$storehash{$_}).'&'; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; } $items=~s/\&$//; return &critical("put:$udomain:$uname:$namespace:$items",$uhome); @@ -2393,53 +3867,346 @@ sub cput { sub eget { my ($namespace,$storearr,$udomain,$uname)=@_; my $items=''; - foreach (@$storearr) { - $items.=escape($_).'&'; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; } $items=~s/\&$//; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome); my @pairs=split(/\&/,$rep); my %returnhash=(); my $i=0; - foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + foreach my $item (@$storearr) { + $returnhash{$item}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; } -# ---------------------------------------------- Custom access rule evaluation +# ------------------------------------------------------------ tmpput interface +sub tmpput { + my ($storehash,$server,$context)=@_; + my $items=''; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; + } + $items=~s/\&$//; + if (defined($context)) { + $items .= ':'.&escape($context); + } + return &reply("tmpput:$items",$server); +} + +# ------------------------------------------------------------ tmpget interface +sub tmpget { + my ($token,$server)=@_; + if (!defined($server)) { $server = $perlvar{'lonHostID'}; } + my $rep=&reply("tmpget:$token",$server); + my %returnhash; + foreach my $item (split(/\&/,$rep)) { + my ($key,$value)=split(/=/,$item); + $returnhash{&unescape($key)}=&thaw_unescape($value); + } + return %returnhash; +} -sub customaccess { - my ($priv,$uri)=@_; - my ($urole,$urealm)=split(/\./,$ENV{'request.role'}); - $urealm=~s/^\W//; - my ($udom,$ucrs,$usec)=split(/\//,$urealm); - my $access=0; - foreach (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) { - my ($effect,$realm,$role)=split(/\:/,$_); - if ($role) { - if ($role ne $urole) { next; } - } - foreach (split(/\s*\,\s*/,$realm)) { - my ($tdom,$tcrs,$tsec)=split(/\_/,$_); - if ($tdom) { - if ($tdom ne $udom) { next; } +# ------------------------------------------------------------ tmpget interface +sub tmpdel { + my ($token,$server)=@_; + if (!defined($server)) { $server = $perlvar{'lonHostID'}; } + return &reply("tmpdel:$token",$server); +} + +# -------------------------------------------------- portfolio access checking + +sub portfolio_access { + my ($requrl) = @_; + my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl); + my $result = &get_portfolio_access($udom,$unum,$file_name,$group); + if ($result) { + my %setters; + if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { + my ($startblock,$endblock) = + &Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom); + if ($startblock && $endblock) { + return 'B'; + } + } else { + my ($startblock,$endblock) = + &Apache::loncommon::blockcheck(\%setters,'port'); + if ($startblock && $endblock) { + return 'B'; + } + } + } + if ($result eq 'ok') { + return 'F'; + } elsif ($result =~ /^[^:]+:guest_/) { + return 'A'; + } + return ''; +} + +sub get_portfolio_access { + my ($udom,$unum,$file_name,$group,$access_hash) = @_; + + if (!ref($access_hash)) { + my $current_perms = &get_portfile_permissions($udom,$unum); + my %access_controls = &get_access_controls($current_perms,$group, + $file_name); + $access_hash = $access_controls{$file_name}; + } + + my ($public,$guest,@domains,@users,@courses,@groups); + my $now = time; + if (ref($access_hash) eq 'HASH') { + foreach my $key (keys(%{$access_hash})) { + my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); + if ($start > $now) { + next; } - if ($tcrs) { - if ($tcrs ne $ucrs) { next; } + if ($end && $end<$now) { + next; } - if ($tsec) { - if ($tsec ne $usec) { next; } + if ($scope eq 'public') { + $public = $key; + last; + } elsif ($scope eq 'guest') { + $guest = $key; + } elsif ($scope eq 'domains') { + push(@domains,$key); + } elsif ($scope eq 'users') { + push(@users,$key); + } elsif ($scope eq 'course') { + push(@courses,$key); + } elsif ($scope eq 'group') { + push(@groups,$key); + } + } + if ($public) { + return 'ok'; + } + if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { + if ($guest) { + return $guest; + } + } else { + if (@domains > 0) { + foreach my $domkey (@domains) { + if (ref($access_hash->{$domkey}{'dom'}) eq 'ARRAY') { + if (grep(/^\Q$env{'user.domain'}\E$/,@{$access_hash->{$domkey}{'dom'}})) { + return 'ok'; + } + } + } + } + if (@users > 0) { + foreach my $userkey (@users) { + if (ref($access_hash->{$userkey}{'users'}) eq 'ARRAY') { + foreach my $item (@{$access_hash->{$userkey}{'users'}}) { + if (ref($item) eq 'HASH') { + if (($item->{'uname'} eq $env{'user.name'}) && + ($item->{'udom'} eq $env{'user.domain'})) { + return 'ok'; + } + } + } + } + } + } + my %roleshash; + my @courses_and_groups = @courses; + push(@courses_and_groups,@groups); + if (@courses_and_groups > 0) { + my (%allgroups,%allroles); + my ($start,$end,$role,$sec,$group); + foreach my $envkey (%env) { + if ($envkey =~ m-^user\.role\.(gr|cc|in|ta|ep|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) { + my $cid = $2.'_'.$3; + if ($1 eq 'gr') { + $group = $4; + $allgroups{$cid}{$group} = $env{$envkey}; + } else { + if ($4 eq '') { + $sec = 'none'; + } else { + $sec = $4; + } + $allroles{$cid}{$1}{$sec} = $env{$envkey}; + } + } elsif ($envkey =~ m-^user\.role\./cr/($match_domain/$match_username/\w*)./($match_domain)/($match_courseid)/?([^/]*)$-) { + my $cid = $2.'_'.$3; + if ($4 eq '') { + $sec = 'none'; + } else { + $sec = $4; + } + $allroles{$cid}{$1}{$sec} = $env{$envkey}; + } + } + if (keys(%allroles) == 0) { + return; + } + foreach my $key (@courses_and_groups) { + my %content = %{$$access_hash{$key}}; + my $cnum = $content{'number'}; + my $cdom = $content{'domain'}; + my $cid = $cdom.'_'.$cnum; + if (!exists($allroles{$cid})) { + next; + } + foreach my $role_id (keys(%{$content{'roles'}})) { + my @sections = @{$content{'roles'}{$role_id}{'section'}}; + my @groups = @{$content{'roles'}{$role_id}{'group'}}; + my @status = @{$content{'roles'}{$role_id}{'access'}}; + my @roles = @{$content{'roles'}{$role_id}{'role'}}; + foreach my $role (keys(%{$allroles{$cid}})) { + if ((grep/^all$/,@roles) || (grep/^\Q$role\E$/,@roles)) { + foreach my $sec (keys(%{$allroles{$cid}{$role}})) { + if (&course_group_datechecker($allroles{$cid}{$role}{$sec},$now,\@status) eq 'ok') { + if (grep/^all$/,@sections) { + return 'ok'; + } else { + if (grep/^$sec$/,@sections) { + return 'ok'; + } + } + } + } + if (keys(%{$allgroups{$cid}}) == 0) { + if (grep/^none$/,@groups) { + return 'ok'; + } + } else { + if (grep/^all$/,@groups) { + return 'ok'; + } + foreach my $group (keys(%{$allgroups{$cid}})) { + if (grep/^$group$/,@groups) { + return 'ok'; + } + } + } + } + } + } + } + } + if ($guest) { + return $guest; } - $access=($effect eq 'allow'); - last; } - if ($realm eq '' && $role eq '') { - $access=($effect eq 'allow'); + } + return; +} + +sub course_group_datechecker { + my ($dates,$now,$status) = @_; + my ($start,$end) = split(/\./,$dates); + if (!$start && !$end) { + return 'ok'; + } + if (grep/^active$/,@{$status}) { + if (((!$start) || ($start && $start <= $now)) && ((!$end) || ($end && $end >= $now))) { + return 'ok'; + } + } + if (grep/^previous$/,@{$status}) { + if ($end > $now ) { + return 'ok'; + } + } + if (grep/^future$/,@{$status}) { + if ($start > $now) { + return 'ok'; + } + } + return; +} + +sub parse_portfolio_url { + my ($url) = @_; + + my ($type,$udom,$unum,$group,$file_name); + + if ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_username)/portfolio(/.+)$-) { + $type = 1; + $udom = $1; + $unum = $2; + $file_name = $3; + } elsif ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_courseid)/groups/([^/]+)/portfolio/(.+)$-) { + $type = 2; + $udom = $1; + $unum = $2; + $group = $3; + $file_name = $3.'/'.$4; + } + if (wantarray) { + return ($type,$udom,$unum,$file_name,$group); + } + return $type; +} + +sub is_portfolio_url { + my ($url) = @_; + return scalar(&parse_portfolio_url($url)); +} + +sub is_portfolio_file { + my ($file) = @_; + if (($file =~ /^portfolio/) || ($file =~ /^groups\/\w+\/portfolio/)) { + return 1; + } + return; +} + + +# ---------------------------------------------- Custom access rule evaluation + +sub customaccess { + my ($priv,$uri)=@_; + my ($urole,$urealm)=split(/\./,$env{'request.role'},2); + my (undef,$udom,$ucrs,$usec)=split(/\//,$urealm); + $udom = &LONCAPA::clean_domain($udom); + $ucrs = &LONCAPA::clean_username($ucrs); + my $access=0; + foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) { + my ($effect,$realm,$role,$type)=split(/\:/,$right); + if ($type eq 'user') { + foreach my $scope (split(/\s*\,\s*/,$realm)) { + my ($tdom,$tuname)=split(m{/},$scope); + if ($tdom) { + if ($tdom ne $env{'user.domain'}) { next; } + } + if ($tuname) { + if ($tuname ne $env{'user.name'}) { next; } + } + $access=($effect eq 'allow'); + last; + } + } else { + if ($role) { + if ($role ne $urole) { next; } + } + foreach my $scope (split(/\s*\,\s*/,$realm)) { + my ($tdom,$tcrs,$tsec)=split(/\_/,$scope); + if ($tdom) { + if ($tdom ne $udom) { next; } + } + if ($tcrs) { + if ($tcrs ne $ucrs) { next; } + } + if ($tsec) { + if ($tsec ne $usec) { next; } + } + $access=($effect eq 'allow'); + last; + } + if ($realm eq '' && $role eq '') { + $access=($effect eq 'allow'); + } } } return $access; @@ -2448,39 +4215,89 @@ sub customaccess { # ------------------------------------------------- Check for a user privilege sub allowed { - my ($priv,$uri)=@_; - + my ($priv,$uri,$symb,$role)=@_; + my $ver_orguri=$uri; + $uri=&deversion($uri); my $orguri=$uri; $uri=&declutter($uri); - if (defined($ENV{'allowed.'.$priv})) { return $ENV{'allowed.'.$priv}; } -# Free bre access to adm and meta resources + if ($priv eq 'evb') { +# Evade communication block restrictions for specified role in a course + if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) { + return $1; + } else { + return; + } + } - if ((($uri=~/^adm\//) || ($uri=~/\.meta$/)) && ($priv eq 'bre')) { + if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; } +# Free bre access to adm and meta resources + if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard)$})) + || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) )) + && ($priv eq 'bre')) { return 'F'; } +# Free bre access to user's own portfolio contents + my ($space,$domain,$name,@dir)=split('/',$uri); + if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) && + ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) { + my %setters; + my ($startblock,$endblock) = + &Apache::loncommon::blockcheck(\%setters,'port'); + if ($startblock && $endblock) { + return 'B'; + } else { + return 'F'; + } + } + +# bre access to group portfolio for rgf priv in group, or mdg or vcg in course. + if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups') + && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) { + if (exists($env{'request.course.id'})) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if (($domain eq $cdom) && ($name eq $cnum)) { + my $courseprivid=$env{'request.course.id'}; + $courseprivid=~s/\_/\//; + if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid + .'/'.$dir[1]} =~/rgf\&([^\:]*)/) { + return $1; + } else { + if ($env{'request.course.sec'}) { + $courseprivid.='/'.$env{'request.course.sec'}; + } + if ($env{'user.priv.'.$env{'request.role'}.'./'. + $courseprivid} =~/(mdg|vcg)\&([^\:]*)/) { + return $2; + } + } + } + } + } + # Free bre to public access if ($priv eq 'bre') { my $copyright=&metadata($uri,'copyright'); - if (($copyright eq 'public') && (!$ENV{'request.course.id'})) { + if (($copyright eq 'public') && (!$env{'request.course.id'})) { return 'F'; } if ($copyright eq 'priv') { $uri=~/([^\/]+)\/([^\/]+)\//; - unless (($ENV{'user.name'} eq $2) && ($ENV{'user.domain'} eq $1)) { + unless (($env{'user.name'} eq $2) && ($env{'user.domain'} eq $1)) { return ''; } } if ($copyright eq 'domain') { $uri=~/([^\/]+)\/([^\/]+)\//; - unless (($ENV{'user.domain'} eq $1) || - ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $1)) { + unless (($env{'user.domain'} eq $1) || + ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1)) { return ''; } } - if ($ENV{'request.role'}=~ /li\.\//) { + if ($env{'request.role'}=~ /li\.\//) { # Library role, so allow browsing of resources in this domain. return 'F'; } @@ -2489,11 +4306,11 @@ sub allowed { } } # Domain coordinator is trying to create a course - if (($priv eq 'ccc') && ($ENV{'request.role'} =~ /^dc\./)) { + if (($priv eq 'ccc') && ($env{'request.role'} =~ /^dc\./)) { # uri is the requested domain in this case. # comparison to 'request.role.domain' shows if the user has selected - # a role of dc for the domain in question. - return 'F' if ($uri eq $ENV{'request.role.domain'}); + # a role of dc for the domain in question. + return 'F' if ($uri eq $env{'request.role.domain'}); } my $thisallowed=''; @@ -2502,14 +4319,14 @@ sub allowed { # Course - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'}=~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; } # Domain - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; } @@ -2518,17 +4335,44 @@ sub allowed { $courseuri=~s/\_(\d)/\/$1/; $courseuri=~s/^([^\/])/\/$1/; - if ($ENV{'user.priv.'.$ENV{'request.role'}.'.'.$courseuri} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; } -# URI is an uploaded document for this course +# URI is an uploaded document for this course, default permissions don't matter +# not allowing 'edit' access (editupload) to uploaded course docs + if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) { + $thisallowed=''; + my ($match)=&is_on_map($uri); + if ($match) { + if ($env{'user.priv.'.$env{'request.role'}.'./'} + =~/\Q$priv\E\&([^\:]*)/) { + $thisallowed.=$1; + } + } else { + my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri}; + if ($refuri) { + if ($refuri =~ m|^/adm/|) { + $thisallowed='F'; + } else { + $refuri=&declutter($refuri); + my ($match) = &is_on_map($refuri); + if ($match) { + $thisallowed='F'; + } + } + } + } + } - if (($priv eq 'bre') && - ($uri=~/^uploaded\/$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}\/$ENV{'course.'.$ENV{'request.course.id'}.'.num'}/)) { - return 'F'; + if ($priv eq 'bre' + && $thisallowed ne 'F' + && $thisallowed ne '2' + && &is_portfolio_url($uri)) { + $thisallowed = &portfolio_access($uri); } + # Full access at system, domain or course-wide level? Exit. if ($thisallowed=~/F/) { @@ -2537,7 +4381,16 @@ sub allowed { # If this is generating or modifying users, exit with special codes - if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:'=~/\:$priv\:/) { + if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:caa:'=~/\:\Q$priv\E\:/) { + if (($priv eq 'cca') || ($priv eq 'caa')) { + my ($audom,$auname)=split('/',$uri); +# no author name given, so this just checks on the general right to make a co-author in this domain + unless ($auname) { return $thisallowed; } +# an author name is given, so we are about to actually make a co-author for a certain account + if (($auname ne $env{'user.name'} && $env{'request.role'} !~ /^dc\./) || + (($audom ne $env{'user.domain'} && $env{'request.role'} !~ /^dc\./) && + ($audom ne $env{'request.role.domain'}))) { return ''; } + } return $thisallowed; } # @@ -2546,35 +4399,35 @@ sub allowed { # Course: See if uri or referer is an individual resource that is part of # the course - if ($ENV{'request.course.id'}) { + if ($env{'request.course.id'}) { - $courseprivid=$ENV{'request.course.id'}; - if ($ENV{'request.course.sec'}) { - $courseprivid.='/'.$ENV{'request.course.sec'}; + $courseprivid=$env{'request.course.id'}; + if ($env{'request.course.sec'}) { + $courseprivid.='/'.$env{'request.course.sec'}; } $courseprivid=~s/\_/\//; my $checkreferer=1; my ($match,$cond)=&is_on_map($uri); if ($match) { $statecond=$cond; - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; $checkreferer=0; } } if ($checkreferer) { - my $refuri=$ENV{'httpref.'.$orguri}; + my $refuri=$env{'httpref.'.$orguri}; unless ($refuri) { - foreach (keys %ENV) { - if ($_=~/^httpref\..*\*/) { - my $pattern=$_; + foreach my $key (keys(%env)) { + if ($key=~/^httpref\..*\*/) { + my $pattern=$key; $pattern=~s/^httpref\.\/res\///; $pattern=~s/\*/\[\^\/\]\+/g; $pattern=~s/\//\\\//g; if ($orguri=~/$pattern/) { - $refuri=$ENV{$_}; + $refuri=$env{$key}; } } } @@ -2585,8 +4438,8 @@ sub allowed { my ($match,$cond)=&is_on_map($refuri); if ($match) { my $refstatecond=$cond; - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; $uri=$refuri; $statecond=$refstatecond; @@ -2625,39 +4478,39 @@ sub allowed { my $envkey; if ($thisallowed=~/L/) { - foreach $envkey (keys %ENV) { + foreach $envkey (keys %env) { if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) { my $courseid=$2; my $roleid=$1.'.'.$2; $courseid=~s/^\///; my $expiretime=600; - if ($ENV{'request.role'} eq $roleid) { + if ($env{'request.role'} eq $roleid) { $expiretime=120; } my ($cdom,$cnum,$csec)=split(/\//,$courseid); my $prefix='course.'.$cdom.'_'.$cnum.'.'; - if ((time-$ENV{$prefix.'last_cache'})>$expiretime) { - &coursedescription($courseid); + if ((time-$env{$prefix.'last_cache'})>$expiretime) { + &coursedescription($courseid,{'freshen_cache' => 1}); } - if (($ENV{$prefix.'res.'.$uri.'.lock.sections'}=~/\,$csec\,/) - || ($ENV{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { - if ($ENV{$prefix.'res.'.$uri.'.lock.expire'}>time) { - &log($ENV{'user.domain'},$ENV{'user.name'}, - $ENV{'user.home'}, + if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/) + || ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { + if ($env{$prefix.'res.'.$uri.'.lock.expire'}>time) { + &log($env{'user.domain'},$env{'user.name'}, + $env{'user.home'}, 'Locked by res: '.$priv.' for '.$uri.' due to '. $cdom.'/'.$cnum.'/'.$csec.' expire '. - $ENV{$prefix.'priv.'.$priv.'.lock.expire'}); + $env{$prefix.'priv.'.$priv.'.lock.expire'}); return ''; } } - if (($ENV{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,$csec\,/) - || ($ENV{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { - if ($ENV{'priv.'.$priv.'.lock.expire'}>time) { - &log($ENV{'user.domain'},$ENV{'user.name'}, - $ENV{'user.home'}, + if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/) + || ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { + if ($env{'priv.'.$priv.'.lock.expire'}>time) { + &log($env{'user.domain'},$env{'user.name'}, + $env{'user.home'}, 'Locked by priv: '.$priv.' for '.$uri.' due to '. $cdom.'/'.$cnum.'/'.$csec.' expire '. - $ENV{$prefix.'priv.'.$priv.'.lock.expire'}); + $env{$prefix.'priv.'.$priv.'.lock.expire'}); return ''; } } @@ -2669,8 +4522,14 @@ sub allowed { # Rest of the restrictions depend on selected course # - unless ($ENV{'request.course.id'}) { - return '1'; + unless ($env{'request.course.id'}) { + if ($thisallowed eq 'A') { + return 'A'; + } elsif ($thisallowed eq 'B') { + return 'B'; + } else { + return '1'; + } } # @@ -2681,21 +4540,25 @@ sub allowed { # Course preferences if ($thisallowed=~/C/) { - my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; - my $unamedom=$ENV{'user.name'}.':'.$ENV{'user.domain'}; - if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'} - =~/$rolecode/) { - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, - 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. - $ENV{'request.course.id'}); + my $rolecode=(split(/\./,$env{'request.role'}))[0]; + my $unamedom=$env{'user.name'}.':'.$env{'user.domain'}; + if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'} + =~/\Q$rolecode\E/) { + if ($priv ne 'pch') { + &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. + 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. + $env{'request.course.id'}); + } return ''; } - if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.users.denied'} - =~/$unamedom/) { - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, - 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. - $ENV{'request.course.id'}); + if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'} + =~/\Q$unamedom\E/) { + if ($priv ne 'pch') { + &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}. + 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. + $env{'request.course.id'}); + } return ''; } } @@ -2703,20 +4566,22 @@ sub allowed { # Resource preferences if ($thisallowed=~/R/) { - my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; - if (&metadata($uri,'roledeny')=~/$rolecode/) { - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, - 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); - return ''; + my $rolecode=(split(/\./,$env{'request.role'}))[0]; + if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) { + if ($priv ne 'pch') { + &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. + 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); + } + return ''; } } # Restricted by state or randomout? if ($thisallowed=~/X/) { - if ($ENV{'acc.randomout'}) { - my $symb=&symbread($uri,1); - if (($symb) && ($ENV{'acc.randomout'}=~/\&$symb\&/)) { + if ($env{'acc.randomout'}) { + if (!$symb) { $symb=&symbread($uri,1); } + if (($symb) && ($env{'acc.randomout'}=~/\&\Q$symb\E\&/)) { return ''; } } @@ -2727,21 +4592,27 @@ sub allowed { } } + if ($thisallowed eq 'A') { + return 'A'; + } elsif ($thisallowed eq 'B') { + return 'B'; + } return 'F'; } +sub split_uri_for_cond { + my $uri=&deversion(&declutter(shift)); + my @uriparts=split(/\//,$uri); + my $filename=pop(@uriparts); + my $pathname=join('/',@uriparts); + return ($pathname,$filename); +} # --------------------------------------------------- Is a resource on the map? sub is_on_map { - my $uri=&declutter(shift); - $uri=~s/\.\d+\.(\w+)$/\.$1/; - my @uriparts=split(/\//,$uri); - my $filename=$uriparts[$#uriparts]; - my $pathname=$uri; - $pathname=~s|/\Q$filename\E$||; - $pathname=~s/^adm\/wrapper\///; + my ($pathname,$filename) = &split_uri_for_cond(shift); #Trying to find the conditional for the file - my $match=($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~ + my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~ /\&\Q$filename\E\:([\d\|]+)\&/); if ($match) { return (1,$1); @@ -2760,7 +4631,7 @@ sub get_symb_from_alias { # Must be an alias my $aliassymb=''; my %bighash; - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { my $rid=$bighash{'mapalias_'.$symb}; if ($rid) { @@ -2778,38 +4649,38 @@ sub get_symb_from_alias { sub definerole { if (allowed('mcr','/')) { my ($rolename,$sysrole,$domrole,$courole)=@_; - foreach (split(':',$sysrole)) { - my ($crole,$cqual)=split(/\&/,$_); - if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } - if ($pr{'cr:s'}=~/$crole\&/) { - if ($pr{'cr:s'}!~/$crole\&\w*$cqual/) { + foreach my $role (split(':',$sysrole)) { + my ($crole,$cqual)=split(/\&/,$role); + if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; } + if ($pr{'cr:s'}=~/\Q$crole\E\&/) { + if ($pr{'cr:s'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { return "refused:s:$crole&$cqual"; } } } - foreach (split(':',$domrole)) { - my ($crole,$cqual)=split(/\&/,$_); - if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } - if ($pr{'cr:d'}=~/$crole\&/) { - if ($pr{'cr:d'}!~/$crole\&\w*$cqual/) { + foreach my $role (split(':',$domrole)) { + my ($crole,$cqual)=split(/\&/,$role); + if ($pr{'cr:d'}!~/\Q$crole\E/) { return "refused:d:$crole"; } + if ($pr{'cr:d'}=~/\Q$crole\E\&/) { + if ($pr{'cr:d'}!~/\Q$crole\W\&\w*\Q$cqual\E/) { return "refused:d:$crole&$cqual"; } } } - foreach (split(':',$courole)) { - my ($crole,$cqual)=split(/\&/,$_); - if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } - if ($pr{'cr:c'}=~/$crole\&/) { - if ($pr{'cr:c'}!~/$crole\&\w*$cqual/) { + foreach my $role (split(':',$courole)) { + my ($crole,$cqual)=split(/\&/,$role); + if ($pr{'cr:c'}!~/\Q$crole\E/) { return "refused:c:$crole"; } + if ($pr{'cr:c'}=~/\Q$crole\E\&/) { + if ($pr{'cr:c'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { return "refused:c:$crole&$cqual"; } } } - my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". - "$ENV{'user.domain'}:$ENV{'user.name'}:". + my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:". + "$env{'user.domain'}:$env{'user.name'}:". "rolesdef_$rolename=". escape($sysrole.'_'.$domrole.'_'.$courole); - return reply($command,$ENV{'user.home'}); + return reply($command,$env{'user.home'}); } else { return 'refused'; } @@ -2820,6 +4691,7 @@ sub definerole { sub metadata_query { my ($query,$custom,$customshow,$server_array)=@_; my %rhash; + my %libserv = &all_library(); my @server_list = (defined($server_array) ? @$server_array : keys(%libserv) ); for my $server (@server_list) { @@ -2843,14 +4715,112 @@ sub log_query { my ($uname,$udom,$query,%filters)=@_; my $uhome=&homeserver($uname,$udom); if ($uhome eq 'no_host') { return 'error: no_host'; } - my $uhost=$hostname{$uhome}; - my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys %filters)); + my $uhost=&hostname($uhome); + my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys(%filters))); my $queryid=&reply("querysend:".$query.':'.$udom.':'.$uname.':'.$command, $uhome); - unless ($queryid=~/^$uhost\_/) { return 'error: '.$queryid; } + unless ($queryid=~/^\Q$uhost\E\_/) { return 'error: '.$queryid; } return get_query_reply($queryid); } +# -------------------------- Update MySQL table for portfolio file + +sub update_portfolio_table { + my ($uname,$udom,$file_name,$query,$group,$action) = @_; + my $homeserver = &homeserver($uname,$udom); + my $queryid= + &reply("querysend:".$query.':'.&escape($uname.':'.$udom.':'.$group). + ':'.&escape($file_name).':'.$action,$homeserver); + my $reply = &get_query_reply($queryid); + return $reply; +} + +# -------------------------- Update MySQL allusers table + +sub update_allusers_table { + my ($uname,$udom,$names) = @_; + my $homeserver = &homeserver($uname,$udom); + my $queryid= + &reply('querysend:allusers:'.&escape($uname).':'.&escape($udom).':'. + 'lastname='.&escape($names->{'lastname'}).'%%'. + 'firstname='.&escape($names->{'firstname'}).'%%'. + 'middlename='.&escape($names->{'middlename'}).'%%'. + 'generation='.&escape($names->{'generation'}).'%%'. + 'permanentemail='.&escape($names->{'permanentemail'}).'%%'. + 'id='.&escape($names->{'id'}),$homeserver); + my $reply = &get_query_reply($queryid); + return $reply; +} + +# ------- Request retrieval of institutional classlists for course(s) + +sub fetch_enrollment_query { + my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_; + my $homeserver; + my $maxtries = 1; + if ($context eq 'automated') { + $homeserver = $perlvar{'lonHostID'}; + $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout + } else { + $homeserver = &homeserver($cnum,$dom); + } + my $host=&hostname($homeserver); + my $cmd = ''; + foreach my $affiliate (keys %{$affiliatesref}) { + $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%'; + } + $cmd =~ s/%%$//; + $cmd = &escape($cmd); + my $query = 'fetchenrollment'; + my $queryid=&reply("querysend:".$query.':'.$dom.':'.$env{'user.name'}.':'.$cmd,$homeserver); + unless ($queryid=~/^\Q$host\E\_/) { + &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum); + return 'error: '.$queryid; + } + my $reply = &get_query_reply($queryid); + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } + if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { + &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); + } else { + my @responses = split(/:/,$reply); + if ($homeserver eq $perlvar{'lonHostID'}) { + foreach my $line (@responses) { + my ($key,$value) = split(/=/,$line,2); + $$replyref{$key} = $value; + } + } else { + my $pathname = $perlvar{'lonDaemons'}.'/tmp'; + foreach my $line (@responses) { + my ($key,$value) = split(/=/,$line); + $$replyref{$key} = $value; + if ($value > 0) { + foreach my $item (@{$$affiliatesref{$key}}) { + my $filename = $dom.'_'.$key.'_'.$item.'_classlist.xml'; + my $destname = $pathname.'/'.$filename; + my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver); + if ($xml_classlist =~ /^error/) { + &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum); + } else { + if ( open(FILE,">$destname") ) { + print FILE &unescape($xml_classlist); + close(FILE); + } else { + &logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum); + } + } + } + } + } + } + return 'ok'; + } + return 'error'; +} + sub get_query_reply { my $queryid=shift; my $replyfile=$perlvar{'lonDaemons'}.'/tmp/'.$queryid; @@ -2858,9 +4828,9 @@ sub get_query_reply { for (1..100) { sleep 2; if (-e $replyfile.'.end') { - if (my $fh=Apache::File->new($replyfile)) { - $reply.=<$fh>; - $fh->close; + if (open(my $fh,$replyfile)) { + $reply = join('',<$fh>); + close($fh); } else { return 'error: reply_file_error'; } return &unescape($reply); } @@ -2879,27 +4849,425 @@ sub courselog_query { # end: timestamp # my (%filters)=@_; - unless ($ENV{'request.course.id'}) { return 'no_course'; } + unless ($env{'request.course.id'}) { return 'no_course'; } if ($filters{'url'}) { $filters{'url'}=&symbclean(&declutter($filters{'url'})); $filters{'url'}=~s/\.(\w+)$/(\\.\\d+)*\\.$1/; $filters{'url'}=~s/\.(\w+)\_\_\_/(\\.\\d+)*\\.$1/; } - my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; return &log_query($cname,$cdom,'courselog',%filters); } sub userlog_query { +# +# possible filters: +# action: log check role +# start: timestamp +# end: timestamp +# my ($uname,$udom,%filters)=@_; return &log_query($uname,$udom,'userlog',%filters); } +#--------- Call auto-enrollment subs in localenroll.pm for homeserver for course + +sub auto_run { + my ($cnum,$cdom) = @_; + my $response = 0; + my $settings; + my %domconfig = &get_dom('configuration',['autoenroll'],$cdom); + if (ref($domconfig{'autoenroll'}) eq 'HASH') { + $settings = $domconfig{'autoenroll'}; + if ($settings->{'run'} eq '1') { + $response = 1; + } + } else { + my $homeserver; + if (&is_course($cdom,$cnum)) { + $homeserver = &homeserver($cnum,$cdom); + } else { + $homeserver = &domain($cdom,'primary'); + } + if ($homeserver ne 'no_host') { + $response = &reply('autorun:'.$cdom,$homeserver); + } + } + return $response; +} + +sub auto_get_sections { + my ($cnum,$cdom,$inst_coursecode) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my @secs = (); + my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver)); + unless ($response eq 'refused') { + @secs = split(/:/,$response); + } + return @secs; +} + +sub auto_new_course { + my ($cnum,$cdom,$inst_course_id,$owner) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.$owner.':'.$cdom,$homeserver)); + return $response; +} + +sub auto_validate_courseID { + my ($cnum,$cdom,$inst_course_id) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $response=&unescape(&reply('autovalidatecourse:'.$inst_course_id.':'.$cdom,$homeserver)); + return $response; +} + +sub auto_create_password { + my ($cnum,$cdom,$authparam,$udom) = @_; + my ($homeserver,$response); + my $create_passwd = 0; + my $authchk = ''; + if ($udom =~ /^$match_domain$/) { + $homeserver = &domain($udom,'primary'); + } + if ($homeserver eq '') { + if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) { + $homeserver = &homeserver($cnum,$cdom); + } + } + if ($homeserver eq '') { + $authchk = 'nodomain'; + } else { + $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver)); + if ($response eq 'refused') { + $authchk = 'refused'; + } else { + ($authparam,$create_passwd,$authchk) = split(/:/,$response); + } + } + return ($authparam,$create_passwd,$authchk); +} + +sub auto_photo_permission { + my ($cnum,$cdom,$students) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my ($outcome,$perm_reqd,$conditions) = + split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3); + if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + return ($outcome,$perm_reqd,$conditions); +} + +sub auto_checkphotos { + my ($uname,$udom,$pid) = @_; + my $homeserver = &homeserver($uname,$udom); + my ($result,$resulttype); + my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'. + &escape($uname).':'.&escape($pid), + $homeserver)); + if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + if ($outcome) { + ($result,$resulttype) = split(/:/,$outcome); + } + return ($result,$resulttype); +} + +sub auto_photochoice { + my ($cnum,$cdom) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'. + &escape($cdom), + $homeserver))); + if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + return ($update,$comment); +} + +sub auto_photoupdate { + my ($affiliatesref,$dom,$cnum,$photo) = @_; + my $homeserver = &homeserver($cnum,$dom); + my $host=&hostname($homeserver); + my $cmd = ''; + my $maxtries = 1; + foreach my $affiliate (keys(%{$affiliatesref})) { + $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%'; + } + $cmd =~ s/%%$//; + $cmd = &escape($cmd); + my $query = 'institutionalphotos'; + my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver); + unless ($queryid=~/^\Q$host\E\_/) { + &logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum); + return 'error: '.$queryid; + } + my $reply = &get_query_reply($queryid); + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } + if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { + &logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); + } else { + my @responses = split(/:/,$reply); + my $outcome = shift(@responses); + foreach my $item (@responses) { + my ($key,$value) = split(/=/,$item); + $$photo{$key} = $value; + } + return $outcome; + } + return 'error'; +} + +sub auto_instcode_format { + my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles, + $cat_order) = @_; + my $courses = ''; + my @homeservers; + if ($caller eq 'global') { + my %servers = &get_servers($codedom,'library'); + foreach my $tryserver (keys(%servers)) { + if (!grep(/^\Q$tryserver\E$/,@homeservers)) { + push(@homeservers,$tryserver); + } + } + } else { + push(@homeservers,&homeserver($caller,$codedom)); + } + foreach my $code (keys(%{$instcodes})) { + $courses .= &escape($code).'='.&escape($$instcodes{$code}).'&'; + } + chop($courses); + my $ok_response = 0; + my $response; + while (@homeservers > 0 && $ok_response == 0) { + my $server = shift(@homeservers); + $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server); + if ($response !~ /(con_lost|error|no_such_host|refused)/) { + my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) = + split(/:/,$response); + %{$codes} = (%{$codes},&str2hash($codes_str)); + push(@{$codetitles},&str2array($codetitles_str)); + %{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str)); + %{$cat_order} = (%{$cat_order},&str2hash($cat_order_str)); + $ok_response = 1; + } + } + if ($ok_response) { + return 'ok'; + } else { + return $response; + } +} + +sub auto_instcode_defaults { + my ($domain,$returnhash,$code_order) = @_; + my @homeservers; + + my %servers = &get_servers($domain,'library'); + foreach my $tryserver (keys(%servers)) { + if (!grep(/^\Q$tryserver\E$/,@homeservers)) { + push(@homeservers,$tryserver); + } + } + + my $response; + foreach my $server (@homeservers) { + $response=&reply('autoinstcodedefaults:'.$domain,$server); + next if ($response =~ /(con_lost|error|no_such_host|refused)/); + + foreach my $pair (split(/\&/,$response)) { + my ($name,$value)=split(/\=/,$pair); + if ($name eq 'code_order') { + @{$code_order} = split(/\&/,&unescape($value)); + } else { + $returnhash->{&unescape($name)}=&unescape($value); + } + } + return 'ok'; + } + + return $response; +} + +sub auto_validate_class_sec { + my ($cdom,$cnum,$owners,$inst_class) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $ownerlist; + if (ref($owners) eq 'ARRAY') { + $ownerlist = join(',',@{$owners}); + } else { + $ownerlist = $owners; + } + my $response=&reply('autovalidateclass_sec:'.$inst_class.':'. + &escape($ownerlist).':'.$cdom,$homeserver); + return $response; +} + +# ------------------------------------------------------- Course Group routines + +sub get_coursegroups { + my ($cdom,$cnum,$group,$namespace) = @_; + return(&dump($namespace,$cdom,$cnum,$group)); +} + +sub modify_coursegroup { + my ($cdom,$cnum,$groupsettings) = @_; + return(&put('coursegroups',$groupsettings,$cdom,$cnum)); +} + +sub toggle_coursegroup_status { + my ($cdom,$cnum,$group,$action) = @_; + my ($from_namespace,$to_namespace); + if ($action eq 'delete') { + $from_namespace = 'coursegroups'; + $to_namespace = 'deleted_groups'; + } else { + $from_namespace = 'deleted_groups'; + $to_namespace = 'coursegroups'; + } + my %curr_group = &get_coursegroups($cdom,$cnum,$group,$from_namespace); + if (my $tmp = &error(%curr_group)) { + &Apache::lonnet::logthis('Error retrieving group: '.$tmp.' in '.$cnum.':'.$cdom); + return ('read error',$tmp); + } else { + my %savedsettings = %curr_group; + my $result = &put($to_namespace,\%savedsettings,$cdom,$cnum); + my $deloutcome; + if ($result eq 'ok') { + $deloutcome = &del($from_namespace,[$group],$cdom,$cnum); + } else { + return ('write error',$result); + } + if ($deloutcome eq 'ok') { + return 'ok'; + } else { + return ('delete error',$deloutcome); + } + } +} + +sub modify_group_roles { + my ($cdom,$cnum,$group_id,$user,$end,$start,$userprivs) = @_; + my $url = '/'.$cdom.'/'.$cnum.'/'.$group_id; + my $role = 'gr/'.&escape($userprivs); + my ($uname,$udom) = split(/:/,$user); + my $result = &assignrole($udom,$uname,$url,$role,$end,$start); + if ($result eq 'ok') { + &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum); + } + return $result; +} + +sub modify_coursegroup_membership { + my ($cdom,$cnum,$membership) = @_; + my $result = &put('groupmembership',$membership,$cdom,$cnum); + return $result; +} + +sub get_active_groups { + my ($udom,$uname,$cdom,$cnum) = @_; + my $now = time; + my %groups = (); + foreach my $key (keys(%env)) { + if ($key =~ m-user\.role\.gr\./($match_domain)/($match_courseid)/(\w+)$-) { + my ($start,$end) = split(/\./,$env{$key}); + if (($end!=0) && ($end<$now)) { next; } + if (($start!=0) && ($start>$now)) { next; } + if ($1 eq $cdom && $2 eq $cnum) { + $groups{$3} = $env{$key} ; + } + } + } + return %groups; +} + +sub get_group_membership { + my ($cdom,$cnum,$group) = @_; + return(&dump('groupmembership',$cdom,$cnum,$group)); +} + +sub get_users_groups { + my ($udom,$uname,$courseid) = @_; + my @usersgroups; + my $cachetime=1800; + + my $hashid="$udom:$uname:$courseid"; + my ($grouplist,$cached)=&is_cached_new('getgroups',$hashid); + if (defined($cached)) { + @usersgroups = split(/:/,$grouplist); + } else { + $grouplist = ''; + my $courseurl = &courseid_to_courseurl($courseid); + my %roleshash = &dump('roles',$udom,$uname,$courseurl); + my $access_end = $env{'course.'.$courseid. + '.default_enrollment_end_date'}; + my $now = time; + foreach my $key (keys(%roleshash)) { + if ($key =~ /^\Q$courseurl\E\/(\w+)\_gr$/) { + my $group = $1; + if ($roleshash{$key} =~ /_(\d+)_(\d+)$/) { + my $start = $2; + my $end = $1; + if ($start == -1) { next; } # deleted from group + if (($start!=0) && ($start>$now)) { next; } + if (($end!=0) && ($end<$now)) { + if ($access_end && $access_end < $now) { + if ($access_end - $end < 86400) { + push(@usersgroups,$group); + } + } + next; + } + push(@usersgroups,$group); + } + } + } + @usersgroups = &sort_course_groups($courseid,@usersgroups); + $grouplist = join(':',@usersgroups); + &do_cache_new('getgroups',$hashid,$grouplist,$cachetime); + } + return @usersgroups; +} + +sub devalidate_getgroups_cache { + my ($udom,$uname,$cdom,$cnum)=@_; + my $courseid = $cdom.'_'.$cnum; + + my $hashid="$udom:$uname:$courseid"; + &devalidate_cache_new('getgroups',$hashid); +} + # ------------------------------------------------------------------ Plain Text sub plaintext { - my $short=shift; - return &mt($prp{$short}); + my ($short,$type,$cid) = @_; + if ($short =~ /^cr/) { + return (split('/',$short))[-1]; + } + if (!defined($cid)) { + $cid = $env{'request.course.id'}; + } + if (defined($cid) && defined($env{'course.'.$cid.'.'.$short.'.plaintext'})) { + return &Apache::lonlocal::mt($env{'course.'.$cid.'.'.$short. + '.plaintext'}); + } + my %rolenames = ( + Course => 'std', + Group => 'alt1', + ); + if (defined($type) && + defined($rolenames{$type}) && + defined($prp{$short}{$rolenames{$type}})) { + return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}}); + } else { + return &Apache::lonlocal::mt($prp{$short}{'std'}); + } } # ----------------------------------------------------------------- Assign Role @@ -2909,26 +5277,46 @@ sub assignrole { my $mrole; if ($role =~ /^cr\//) { my $cwosec=$url; - $cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/; + $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/; unless (&allowed('ccr',$cwosec)) { &logthis('Refused custom assignrole: '. $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. - $ENV{'user.name'}.' at '.$ENV{'user.domain'}); + $env{'user.name'}.' at '.$env{'user.domain'}); return 'refused'; } $mrole='cr'; + } elsif ($role =~ /^gr\//) { + my $cwogrp=$url; + $cwogrp=~s{^/($match_domain)/($match_courseid)/.*}{$1/$2}; + unless (&allowed('mdg',$cwogrp)) { + &logthis('Refused group assignrole: '. + $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. + $env{'user.name'}.' at '.$env{'user.domain'}); + return 'refused'; + } + $mrole='gr'; } else { my $cwosec=$url; - $cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/; - unless ((&allowed('c'.$role,$cwosec)) || &allowed('c'.$role,$udom)) { - &logthis('Refused assignrole: '. - $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. - $ENV{'user.name'}.' at '.$ENV{'user.domain'}); - return 'refused'; + $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/; + if (!(&allowed('c'.$role,$cwosec)) && !(&allowed('c'.$role,$udom))) { + my $refused; + if (($env{'request.course.sec'} ne '') && ($role eq 'st')) { + if (!(&allowed('c'.$role,$url))) { + $refused = 1; + } + } else { + $refused = 1; + } + if ($refused) { + &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url. + ' '.$role.' '.$end.' '.$start.' by '. + $env{'user.name'}.' at '.$env{'user.domain'}); + return 'refused'; + } } $mrole=$role; } - my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". + my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:". "$udom:$uname:$url".'_'."$mrole=$role"; if ($end) { $command.='_'.$end; } if ($start) { @@ -2938,13 +5326,15 @@ sub assignrole { $command.='_0_'.$start; } } + my $origstart = $start; + my $origend = $end; # actually delete if ($deleteflag) { if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) { # modify command to delete the role - $command="encrypt:rolesdel:$ENV{'user.domain'}:$ENV{'user.name'}:". + $command="encrypt:rolesdel:$env{'user.domain'}:$env{'user.name'}:". "$udom:$uname:$url".'_'."$mrole"; - &logthis("$ENV{'user.name'} at $ENV{'user.domain'} deletes $mrole in $url for $uname at $udom"); + &logthis("$env{'user.name'} at $env{'user.domain'} deletes $mrole in $url for $uname at $udom"); # set start and finish to negative values for userrolelog $start=-1; $end=-1; @@ -2954,7 +5344,12 @@ sub assignrole { my $answer=&reply($command,&homeserver($uname,$udom)); # log new user role if status is ok if ($answer eq 'ok') { - &userrolelog($mrole,$uname,$udom,$url,$start,$end); + &userrolelog($role,$uname,$udom,$url,$start,$end); +# for course roles, perform group memberships changes triggered by role change. + unless ($role =~ /^gr/) { + &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, + $origstart); + } } return $answer; } @@ -2967,16 +5362,16 @@ sub modifyuserauth { my $uhome=&homeserver($uname,$udom); unless (&allowed('mau',$udom)) { return 'refused'; } &logthis('Call to modify user authentication '.$udom.', '.$uname.', '. - $umode.' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}. - ' in domain '.$ENV{'request.role.domain'}); + $umode.' by '.$env{'user.name'}.' at '.$env{'user.domain'}. + ' in domain '.$env{'request.role.domain'}); my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'. &escape($upass),$uhome); - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.home'}, + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'}, 'Authentication changed for '.$udom.', '.$uname.', '.$umode. '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); &log($udom,,$uname,$uhome, - 'Authentication changed by '.$ENV{'user.domain'}.', '. - $ENV{'user.name'}.', '.$umode. + 'Authentication changed by '.$env{'user.domain'}.', '. + $env{'user.name'}.', '.$umode. '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); unless ($reply eq 'ok') { &logthis('Authentication mode error: '.$reply); @@ -2992,35 +5387,33 @@ sub modifyuser { $umode, $upass, $first, $middle, $last, $gene, $forceid, $desiredhome, $email)=@_; - $udom=~s/\W//g; - $uname=~s/\W//g; + $udom= &LONCAPA::clean_domain($udom); + $uname=&LONCAPA::clean_username($uname); &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. $last.', '.$gene.'(forceid: '.$forceid.')'. (defined($desiredhome) ? ' desiredhome = '.$desiredhome : ' desiredhome not specified'). - ' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}. - ' in domain '.$ENV{'request.role.domain'}); + ' by '.$env{'user.name'}.' at '.$env{'user.domain'}. + ' in domain '.$env{'request.role.domain'}); my $uhome=&homeserver($uname,$udom,'true'); # ----------------------------------------------------------------- Create User if (($uhome eq 'no_host') && (($umode && $upass) || ($umode eq 'localauth'))) { my $unhome=''; - if (defined($desiredhome) && $hostdom{$desiredhome} eq $udom) { + if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) { $unhome = $desiredhome; - } elsif($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) { - $unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; + } elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) { + $unhome=$env{'course.'.$env{'request.course.id'}.'.home'}; } else { # load balancing routine for determining $unhome - my $tryserver; my $loadm=10000000; - foreach $tryserver (keys %libserv) { - if ($hostdom{$tryserver} eq $udom) { - my $answer=reply('load',$tryserver); - if (($answer=~/\d+/) && ($answer<$loadm)) { - $loadm=$answer; - $unhome=$tryserver; - } - } + my %servers = &get_servers($udom,'library'); + foreach my $tryserver (keys(%servers)) { + my $answer=reply('load',$tryserver); + if (($answer=~/\d+/) && ($answer<$loadm)) { + $loadm=$answer; + $unhome=$tryserver; + } } } if (($unhome eq '') || ($unhome eq 'no_host')) { @@ -3053,7 +5446,8 @@ sub modifyuser { } # -------------------------------------------------------------- Add names, etc my @tmp=&get('environment', - ['firstname','middlename','lastname','generation'], + ['firstname','middlename','lastname','generation','id', + 'permanentemail'], $udom,$uname); my %names; if ($tmp[0] =~ m/^error:.*/) { @@ -3069,15 +5463,21 @@ sub modifyuser { if (defined($middle)) { $names{'middlename'} = $middle; } if ($last) { $names{'lastname'} = $last; } if (defined($gene)) { $names{'generation'} = $gene; } - if ($email) { $names{'notification'} = $email; - $names{'critnotification'} = $email; } - + if ($email) { + $email=~s/[^\w\@\.\-\,]//gs; + if ($email=~/\@/) { $names{'notification'} = $email; + $names{'critnotification'} = $email; + $names{'permanentemail'} = $email; } + } + if ($uid) { $names{'id'} = $uid; } my $reply = &put('environment', \%names, $udom,$uname); if ($reply ne 'ok') { return 'error: '.$reply; } + my $sqlresult = &update_allusers_table($uname,$udom,\%names); + &devalidate_cache_new('namescache',$uname.':'.$udom); &logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. $last.', '.$gene.' by '. - $ENV{'user.name'}.' at '.$ENV{'user.domain'}); + $env{'user.name'}.' at '.$env{'user.domain'}); return 'ok'; } @@ -3085,10 +5485,11 @@ sub modifyuser { sub modifystudent { my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, - $end,$start,$forceid,$desiredhome,$email)=@_; - my $cid=''; - unless ($cid=$ENV{'request.course.id'}) { - return 'not_in_class'; + $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid)=@_; + if (!$cid) { + unless ($cid=$env{'request.course.id'}) { + return 'not_in_class'; + } } # --------------------------------------------------------------- Make the user my $reply=&modifyuser @@ -3098,24 +5499,33 @@ sub modifystudent { # This will cause &modify_student_enrollment to get the uid from the # students environment $uid = undef if (!$forceid); - $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle, - $last,$gene,$usec,$end,$start); + $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last, + $gene,$usec,$end,$start,$type,$locktype,$cid); return $reply; } sub modify_student_enrollment { - my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start) = @_; - # Get the course id from the environment - my $cid=''; - unless ($cid=$ENV{'request.course.id'}) { - return 'not_in_class'; + my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,$locktype,$cid) = @_; + my ($cdom,$cnum,$chome); + if (!$cid) { + unless ($cid=$env{'request.course.id'}) { + return 'not_in_class'; + } + $cdom=$env{'course.'.$cid.'.domain'}; + $cnum=$env{'course.'.$cid.'.num'}; + } else { + ($cdom,$cnum)=split(/_/,$cid); + } + $chome=$env{'course.'.$cid.'.home'}; + if (!$chome) { + $chome=&homeserver($cnum,$cdom); } + if (!$chome) { return 'unknown_course'; } # Make sure the user exists my $uhome=&homeserver($uname,$udom); if (($uhome eq '') || ($uhome eq 'no_host')) { return 'error: no such user'; } - # # Get student data if we were not given enough information if (!defined($first) || $first eq '' || !defined($last) || $last eq '' || @@ -3128,24 +5538,24 @@ sub modify_student_enrollment { ['firstname','middlename','lastname', 'generation','id'] ,$udom,$uname); - foreach (keys(%tmp)) { - &logthis("key $_ = ".$tmp{$_}); - } + #foreach my $key (keys(%tmp)) { + # &logthis("key $key = ".$tmp{$key}); + #} $first = $tmp{'firstname'} if (!defined($first) || $first eq ''); $middle = $tmp{'middlename'} if (!defined($middle) || $middle eq ''); $last = $tmp{'lastname'} if (!defined($last) || $last eq ''); $gene = $tmp{'generation'} if (!defined($gene) || $gene eq ''); $uid = $tmp{'id'} if (!defined($uid) || $uid eq ''); } - my $fullname = &Apache::loncoursedata::ProcessFullName($last,$gene, - $first,$middle); - my $reply=critical('put:'.$ENV{'course.'.$cid.'.domain'}.':'. - $ENV{'course.'.$cid.'.num'}.':classlist:'. - &escape($uname.':'.$udom).'='. - &escape(join(':',$end,$start,$uid,$usec,$fullname)), - $ENV{'course.'.$cid.'.home'}); + my $fullname = &format_name($first,$middle,$last,$gene,'lastname'); + my $reply=cput('classlist', + {"$uname:$udom" => + join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, + $cdom,$cnum); unless (($reply eq 'ok') || ($reply eq 'delayed')) { return 'error: '.$reply; + } else { + &devalidate_getsection_cache($udom,$uname,$cid); } # Add student role to user my $uurl='/'.$cid; @@ -3156,6 +5566,25 @@ sub modify_student_enrollment { return &assignrole($udom,$uname,$uurl,'st',$end,$start); } +sub format_name { + my ($firstname,$middlename,$lastname,$generation,$first)=@_; + my $name; + if ($first ne 'lastname') { + $name=$firstname.' '.$middlename.' '.$lastname.' '.$generation; + } else { + if ($lastname=~/\S/) { + $name.= $lastname.' '.$generation.', '.$firstname.' '.$middlename; + $name=~s/\s+,/,/; + } else { + $name.= $firstname.' '.$middlename.' '.$generation; + } + } + $name=~s/^\s+//; + $name=~s/\s+$//; + $name=~s/\s+/ /g; + return $name; +} + # ------------------------------------------------- Write to course preferences sub writecoursepref { @@ -3168,8 +5597,8 @@ sub writecoursepref { return 'error: no such course'; } my $cstring=''; - foreach (keys %prefs) { - $cstring.=escape($_).'='.escape($prefs{$_}).'&'; + foreach my $pref (keys(%prefs)) { + $cstring.=&escape($pref).'='.&escape($prefs{$pref}).'&'; } $cstring=~s/\&$//; return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); @@ -3178,14 +5607,17 @@ sub writecoursepref { # ---------------------------------------------------------- Make/modify course sub createcourse { - my ($udom,$description,$url,$course_server,$nonstandard)=@_; + my ($udom,$description,$url,$course_server,$nonstandard,$inst_code, + $course_owner,$crstype)=@_; $url=&declutter($url); my $cid=''; unless (&allowed('ccc',$udom)) { return 'refused'; } # ------------------------------------------------------------------- Create ID - my $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). + my $uname=int(1+rand(9)). + ('a'..'z','A'..'Z','0'..'9')[int(rand(62))]. + substr($$.time,0,5).unpack("H8",pack("I32",time)). unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; # ----------------------------------------------- Make sure that does not exist my $uhome=&homeserver($uname,$udom,'true'); @@ -3198,8 +5630,8 @@ sub createcourse { } } # ------------------------------------------------ Check supplied server name - $course_server = $ENV{'user.homeserver'} if (! defined($course_server)); - if (! exists($libserv{$course_server})) { + $course_server = $env{'user.homeserver'} if (! defined($course_server)); + if (! &is_library($course_server)) { return 'error:bad server name '.$course_server; } # ------------------------------------------------------------- Make the course @@ -3211,17 +5643,23 @@ sub createcourse { return 'error: no such course'; } # ----------------------------------------------------------------- Course made -# log existance - &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description), - $uhome); - &flushcourselogs(); +# log existence + my $newcourse = { + $udom.'_'.$uname => { + description => $description, + inst_code => $inst_code, + owner => $course_owner, + type => $crstype, + }, + }; + &courseidput($udom,$newcourse,$uhome,'notime'); # set toplevel url my $topurl=$url; unless ($nonstandard) { # ------------------------------------------ For standard courses, make top url my $mapurl=&clutter($url); if ($mapurl eq '/res/') { $mapurl=''; } - $ENV{'form.initmap'}=(< @@ -3231,7 +5669,7 @@ sub createcourse { ENDINITMAP $topurl=&declutter( - &finishuserfileupload($uname,$udom,$uhome,'initmap','default.sequence') + &finishuserfileupload($uname,$udom,'initmap','default.sequence') ); } # ----------------------------------------------------------- Write preferences @@ -3241,6 +5679,16 @@ ENDINITMAP return '/'.$udom.'/'.$uname; } +sub is_course { + my ($cdom,$cnum) = @_; + my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef, + undef,'.',undef,1); + if (exists($courses{$cdom.'_'.$cnum})) { + return 1; + } + return 0; +} + # ---------------------------------------------------------- Assign Custom Role sub assigncustomrole { @@ -3266,6 +5714,424 @@ sub revokecustomrole { $deleteflag); } +# ------------------------------------------------------------ Disk usage +sub diskusage { + my ($udom,$uname,$directoryRoot)=@_; + $directoryRoot =~ s/\/$//; + my $listing=&reply('du:'.$directoryRoot,homeserver($uname,$udom)); + return $listing; +} + +sub is_locked { + my ($file_name, $domain, $user) = @_; + my @check; + my $is_locked; + push @check, $file_name; + my %locked = &get('file_permissions',\@check, + $env{'user.domain'},$env{'user.name'}); + my ($tmp)=keys(%locked); + if ($tmp=~/^error:/) { undef(%locked); } + + if (ref($locked{$file_name}) eq 'ARRAY') { + $is_locked = 'false'; + foreach my $entry (@{$locked{$file_name}}) { + if (ref($entry) eq 'ARRAY') { + $is_locked = 'true'; + last; + } + } + } else { + $is_locked = 'false'; + } +} + +sub declutter_portfile { + my ($file) = @_; + $file =~ s{^(/portfolio/|portfolio/)}{/}; + return $file; +} + +# ------------------------------------------------------------- Mark as Read Only + +sub mark_as_readonly { + my ($domain,$user,$files,$what) = @_; + my %current_permissions = &dump('file_permissions',$domain,$user); + my ($tmp)=keys(%current_permissions); + if ($tmp=~/^error:/) { undef(%current_permissions); } + foreach my $file (@{$files}) { + $file = &declutter_portfile($file); + push(@{$current_permissions{$file}},$what); + } + &put('file_permissions',\%current_permissions,$domain,$user); + return; +} + +# ------------------------------------------------------------Save Selected Files + +sub save_selected_files { + my ($user, $path, @files) = @_; + my $filename = $user."savedfiles"; + my @other_files = &files_not_in_path($user, $path); + open (OUT, '>'.$tmpdir.$filename); + foreach my $file (@files) { + print (OUT $env{'form.currentpath'}.$file."\n"); + } + foreach my $file (@other_files) { + print (OUT $file."\n"); + } + close (OUT); + return 'ok'; +} + +sub clear_selected_files { + my ($user) = @_; + my $filename = $user."savedfiles"; + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + print (OUT undef); + close (OUT); + return ("ok"); +} + +sub files_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my %return_files; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while (my $line_in = ) { + chomp ($line_in); + my @paths_and_file = split (m!/!, $line_in); + my $file_part = pop (@paths_and_file); + my $path_part = join ('/', @paths_and_file); + $path_part.='/'; + my $path_and_file = $path_part.$file_part; + if ($path_part eq $path) { + $return_files{$file_part}= 'selected'; + } + } + close (IN); + return (\%return_files); +} + +# called in portfolio select mode, to show files selected NOT in current directory +sub files_not_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my @return_files; + my $path_part; + open(IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while (my $line = ) { + #ok, I know it's clunky, but I want it to work + my @paths_and_file = split(m|/|, $line); + my $file_part = pop(@paths_and_file); + chomp($file_part); + my $path_part = join('/', @paths_and_file); + $path_part .= '/'; + my $path_and_file = $path_part.$file_part; + if ($path_part ne $path) { + push(@return_files, ($path_and_file)); + } + } + close(OUT); + return (@return_files); +} + +#----------------------------------------------Get portfolio file permissions + +sub get_portfile_permissions { + my ($domain,$user) = @_; + my %current_permissions = &dump('file_permissions',$domain,$user); + my ($tmp)=keys(%current_permissions); + if ($tmp=~/^error:/) { undef(%current_permissions); } + return \%current_permissions; +} + +#---------------------------------------------Get portfolio file access controls + +sub get_access_controls { + my ($current_permissions,$group,$file) = @_; + my %access; + my $real_file = $file; + $file =~ s/\.meta$//; + if (defined($file)) { + if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') { + foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) { + $access{$real_file}{$control} = $$current_permissions{$file."\0".$control}; + } + } + } else { + foreach my $key (keys(%{$current_permissions})) { + if ($key =~ /\0accesscontrol$/) { + if (defined($group)) { + if ($key !~ m-^\Q$group\E/-) { + next; + } + } + my ($fullpath) = split(/\0/,$key); + if (ref($$current_permissions{$key}) eq 'HASH') { + foreach my $control (keys(%{$$current_permissions{$key}})) { + $access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control}; + } + } + } + } + } + return %access; +} + +sub modify_access_controls { + my ($file_name,$changes,$domain,$user)=@_; + my ($outcome,$deloutcome); + my %store_permissions; + my %new_values; + my %new_control; + my %translation; + my @deletions = (); + my $now = time; + if (exists($$changes{'activate'})) { + if (ref($$changes{'activate'}) eq 'HASH') { + my @newitems = sort(keys(%{$$changes{'activate'}})); + my $numnew = scalar(@newitems); + for (my $i=0; $i<$numnew; $i++) { + my $newkey = $newitems[$i]; + my $newid = &Apache::loncommon::get_cgi_id(); + if ($newkey =~ /^\d+:/) { + $newkey =~ s/^(\d+)/$newid/; + $translation{$1} = $newid; + } elsif ($newkey =~ /^\d+_\d+_\d+:/) { + $newkey =~ s/^(\d+_\d+_\d+)/$newid/; + $translation{$1} = $newid; + } + $new_values{$file_name."\0".$newkey} = + $$changes{'activate'}{$newitems[$i]}; + $new_control{$newkey} = $now; + } + } + } + my %todelete; + my %changed_items; + foreach my $action ('delete','update') { + if (exists($$changes{$action})) { + if (ref($$changes{$action}) eq 'HASH') { + foreach my $key (keys(%{$$changes{$action}})) { + my ($itemnum) = ($key =~ /^([^:]+):/); + if ($action eq 'delete') { + $todelete{$itemnum} = 1; + } else { + $changed_items{$itemnum} = $key; + } + } + } + } + } + # get lock on access controls for file. + my $lockhash = { + $file_name."\0".'locked_access_records' => $env{'user.name'}. + ':'.$env{'user.domain'}, + }; + my $tries = 0; + my $gotlock = &newput('file_permissions',$lockhash,$domain,$user); + + while (($gotlock ne 'ok') && $tries <3) { + $tries ++; + sleep 1; + $gotlock = &newput('file_permissions',$lockhash,$domain,$user); + } + if ($gotlock eq 'ok') { + my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name); + my ($tmp)=keys(%curr_permissions); + if ($tmp=~/^error:/) { undef(%curr_permissions); } + if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) { + my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'}; + if (ref($curr_controls) eq 'HASH') { + foreach my $control_item (keys(%{$curr_controls})) { + my ($itemnum) = ($control_item =~ /^([^:]+):/); + if (defined($todelete{$itemnum})) { + push(@deletions,$file_name."\0".$control_item); + } else { + if (defined($changed_items{$itemnum})) { + $new_control{$changed_items{$itemnum}} = $now; + push(@deletions,$file_name."\0".$control_item); + $new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}}; + } else { + $new_control{$control_item} = $$curr_controls{$control_item}; + } + } + } + } + } + $deloutcome = &del('file_permissions',\@deletions,$domain,$user); + $new_values{$file_name."\0".'accesscontrol'} = \%new_control; + $outcome = &put('file_permissions',\%new_values,$domain,$user); + # remove lock + my @del_lock = ($file_name."\0".'locked_access_records'); + my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user); + my ($file,$group); + if (&is_course($domain,$user)) { + ($group,$file) = split(/\//,$file_name,2); + } else { + $file = $file_name; + } + my $sqlresult = + &update_portfolio_table($user,$domain,$file,'portfolio_access', + $group); + } else { + $outcome = "error: could not obtain lockfile\n"; + } + return ($outcome,$deloutcome,\%new_values,\%translation); +} + +sub make_public_indefinitely { + my ($requrl) = @_; + my $now = time; + my $action = 'activate'; + my $aclnum = 0; + if (&is_portfolio_url($requrl)) { + my (undef,$udom,$unum,$file_name,$group) = + &parse_portfolio_url($requrl); + my $current_perms = &get_portfile_permissions($udom,$unum); + my %access_controls = &get_access_controls($current_perms, + $group,$file_name); + foreach my $key (keys(%{$access_controls{$file_name}})) { + my ($num,$scope,$end,$start) = + ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); + if ($scope eq 'public') { + if ($start <= $now && $end == 0) { + $action = 'none'; + } else { + $action = 'update'; + $aclnum = $num; + } + last; + } + } + if ($action eq 'none') { + return 'ok'; + } else { + my %changes; + my $newend = 0; + my $newstart = $now; + my $newkey = $aclnum.':public_'.$newend.'_'.$newstart; + $changes{$action}{$newkey} = { + type => 'public', + time => { + start => $newstart, + end => $newend, + }, + }; + my ($outcome,$deloutcome,$new_values,$translation) = + &modify_access_controls($file_name,\%changes,$udom,$unum); + return $outcome; + } + } else { + return 'invalid'; + } +} + +#------------------------------------------------------Get Marked as Read Only + +sub get_marked_as_readonly { + my ($domain,$user,$what,$group) = @_; + my $current_permissions = &get_portfile_permissions($domain,$user); + my @readonly_files; + my $cmp1=$what; + if (ref($what)) { $cmp1=join('',@{$what}) }; + while (my ($file_name,$value) = each(%{$current_permissions})) { + if (defined($group)) { + if ($file_name !~ m-^\Q$group\E/-) { + next; + } + } + if (ref($value) eq "ARRAY"){ + foreach my $stored_what (@{$value}) { + my $cmp2=$stored_what; + if (ref($stored_what) eq 'ARRAY') { + $cmp2=join('',@{$stored_what}); + } + if ($cmp1 eq $cmp2) { + push(@readonly_files, $file_name); + last; + } elsif (!defined($what)) { + push(@readonly_files, $file_name); + last; + } + } + } + } + return @readonly_files; +} +#-----------------------------------------------------------Get Marked as Read Only Hash + +sub get_marked_as_readonly_hash { + my ($current_permissions,$group,$what) = @_; + my %readonly_files; + while (my ($file_name,$value) = each(%{$current_permissions})) { + if (defined($group)) { + if ($file_name !~ m-^\Q$group\E/-) { + next; + } + } + if (ref($value) eq "ARRAY"){ + foreach my $stored_what (@{$value}) { + if (ref($stored_what) eq 'ARRAY') { + foreach my $lock_descriptor(@{$stored_what}) { + if ($lock_descriptor eq 'graded') { + $readonly_files{$file_name} = 'graded'; + } elsif ($lock_descriptor eq 'handback') { + $readonly_files{$file_name} = 'handback'; + } else { + if (!exists($readonly_files{$file_name})) { + $readonly_files{$file_name} = 'locked'; + } + } + } + } + } + } + } + return %readonly_files; +} +# ------------------------------------------------------------ Unmark as Read Only + +sub unmark_as_readonly { + # unmarks $file_name (if $file_name is defined), or all files locked by $what + # for portfolio submissions, $what contains [$symb,$crsid] + my ($domain,$user,$what,$file_name,$group) = @_; + $file_name = &declutter_portfile($file_name); + my $symb_crs = $what; + if (ref($what)) { $symb_crs=join('',@$what); } + my %current_permissions = &dump('file_permissions',$domain,$user,$group); + my ($tmp)=keys(%current_permissions); + if ($tmp=~/^error:/) { undef(%current_permissions); } + my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group); + foreach my $file (@readonly_files) { + my $clean_file = &declutter_portfile($file); + if (defined($file_name) && ($file_name ne $clean_file)) { next; } + my $current_locks = $current_permissions{$file}; + my @new_locks; + my @del_keys; + if (ref($current_locks) eq "ARRAY"){ + foreach my $locker (@{$current_locks}) { + my $compare=$locker; + if (ref($locker) eq 'ARRAY') { + $compare=join('',@{$locker}); + if ($compare ne $symb_crs) { + push(@new_locks, $locker); + } + } + } + if (scalar(@new_locks) > 0) { + $current_permissions{$file} = \@new_locks; + } else { + push(@del_keys, $file); + &del('file_permissions',\@del_keys, $domain, $user); + delete($current_permissions{$file}); + } + } + } + &put('file_permissions',\%current_permissions,$domain,$user); + return; +} + # ------------------------------------------------------------ Directory lister sub dirlist { @@ -3290,52 +6156,58 @@ sub dirlist { if($udom) { if($uname) { - my $listing=reply('ls:'.$dirRoot.'/'.$uri, - homeserver($uname,$udom)); - return split(/:/,$listing); + my $listing = &reply('ls2:'.$dirRoot.'/'.$uri, + &homeserver($uname,$udom)); + my @listing_results; + if ($listing eq 'unknown_cmd') { + $listing = &reply('ls:'.$dirRoot.'/'.$uri, + &homeserver($uname,$udom)); + @listing_results = split(/:/,$listing); + } else { + @listing_results = map { &unescape($_); } split(/:/,$listing); + } + return @listing_results; } elsif(!defined($alternateDirectoryRoot)) { - my $tryserver; - my %allusers=(); - foreach $tryserver (keys %libserv) { - if($hostdom{$tryserver} eq $udom) { - my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'. - $udom, $tryserver); - if (($listing ne 'no_such_dir') && ($listing ne 'empty') - && ($listing ne 'con_lost')) { - foreach (split(/:/,$listing)) { - my ($entry,@stat)=split(/&/,$_); - $allusers{$entry}=1; - } - } - } + my %allusers; + my %servers = &get_servers($udom,'library'); + foreach my $tryserver (keys(%servers)) { + my $listing = &reply('ls2:'.$perlvar{'lonDocRoot'}.'/res/'. + $udom, $tryserver); + my @listing_results; + if ($listing eq 'unknown_cmd') { + $listing = &reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'. + $udom, $tryserver); + @listing_results = split(/:/,$listing); + } else { + @listing_results = + map { &unescape($_); } split(/:/,$listing); + } + if ($listing_results[0] ne 'no_such_dir' && + $listing_results[0] ne 'empty' && + $listing_results[0] ne 'con_lost') { + foreach my $line (@listing_results) { + my ($entry) = split(/&/,$line,2); + $allusers{$entry} = 1; + } + } } my $alluserstr=''; - foreach (sort keys %allusers) { - $alluserstr.=$_.'&user:'; + foreach my $user (sort(keys(%allusers))) { + $alluserstr.=$user.'&user:'; } $alluserstr=~s/:$//; return split(/:/,$alluserstr); } else { - my @emptyResults = (); - push(@emptyResults, 'missing user name'); - return split(':',@emptyResults); + return ('missing user name'); } } elsif(!defined($alternateDirectoryRoot)) { - my $tryserver; - my %alldom=(); - foreach $tryserver (keys %libserv) { - $alldom{$hostdom{$tryserver}}=1; - } - my $alldomstr=''; - foreach (sort keys %alldom) { - $alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'/&domain:'; - } - $alldomstr=~s/:$//; - return split(/:/,$alldomstr); - } else { - my @emptyResults = (); - push(@emptyResults, 'missing domain'); - return split(':',@emptyResults); + my @all_domains = sort(&all_domains()); + foreach my $domain (@all_domains) { + $domain = $perlvar{'lonDocRoot'}.'/res/'.$domain.'/&domain'; + } + return @all_domains; + } else { + return ('missing domain'); } } @@ -3353,8 +6225,8 @@ sub dirlist { ## sub GetFileTimestamp { my ($studentDomain,$studentName,$filename,$root)=@_; - $studentDomain=~s/\W//g; - $studentName=~s/\W//g; + $studentDomain = &LONCAPA::clean_domain($studentDomain); + $studentName = &LONCAPA::clean_username($studentName); my $subdir=$studentName.'__'; $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; my $proname="$studentDomain/$subdir/$studentName"; @@ -3370,54 +6242,114 @@ sub GetFileTimestamp { } } +sub stat_file { + my ($uri) = @_; + $uri = &clutter_with_no_wrapper($uri); + + my ($udom,$uname,$file,$dir); + if ($uri =~ m-^/(uploaded|editupload)/-) { + ($udom,$uname,$file) = + ($uri =~ m-/(?:uploaded|editupload)/?($match_domain)/?($match_name)/?(.*)-); + $file = 'userfiles/'.$file; + $dir = &propath($udom,$uname); + } + if ($uri =~ m-^/res/-) { + ($udom,$uname) = + ($uri =~ m-/(?:res)/?($match_domain)/?($match_username)/-); + $file = $uri; + } + + if (!$udom || !$uname || !$file) { + # unable to handle the uri + return (); + } + + my ($result) = &dirlist($file,$udom,$uname,$dir); + my @stats = split('&', $result); + + if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { + shift(@stats); #filename is first + return @stats; + } + return (); +} + # -------------------------------------------------------- Value of a Condition +# gets the value of a specific preevaluated condition +# stored in the string $env{user.state.} +# or looks up a condition reference in the bighash and if if hasn't +# already been evaluated recurses into docondval to get the value of +# the condition, then memoizing it to +# $env{user.state..} sub directcondval { my $number=shift; - if ($ENV{'user.state.'.$ENV{'request.course.id'}}) { - return substr($ENV{'user.state.'.$ENV{'request.course.id'}},$number,1); + if (!defined($env{'user.state.'.$env{'request.course.id'}})) { + &Apache::lonuserstate::evalstate(); + } + if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) { + return $env{'user.state.'.$env{'request.course.id'}.".$number"}; + } elsif ($number =~ /^_/) { + my $sub_condition; + if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + $sub_condition=$bighash{'conditions'.$number}; + untie(%bighash); + } + my $value = &docondval($sub_condition); + &appenv('user.state.'.$env{'request.course.id'}.".$number" => $value); + return $value; + } + if ($env{'user.state.'.$env{'request.course.id'}}) { + return substr($env{'user.state.'.$env{'request.course.id'}},$number,1); } else { return 2; } } +# get the collection of conditions for this resource sub condval { my $condidx=shift; - my $result=0; my $allpathcond=''; - foreach (split(/\|/,$condidx)) { - if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { - $allpathcond.= - '('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; - } + foreach my $cond (split(/\|/,$condidx)) { + if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) { + $allpathcond.= + '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|'; + } } $allpathcond=~s/\|$//; - if ($ENV{'request.course.id'}) { - if ($allpathcond) { - my $operand='|'; - my @stack; - foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) { - if ($_ eq '(') { - push @stack,($operand,$result) - } elsif ($_ eq ')') { - my $before=pop @stack; - if (pop @stack eq '&') { - $result=$result>$before?$before:$result; - } else { - $result=$result>$before?$result:$before; - } - } elsif (($_ eq '&') || ($_ eq '|')) { - $operand=$_; - } else { - my $new=directcondval($_); - if ($operand eq '&') { - $result=$result>$new?$new:$result; - } else { - $result=$result>$new?$result:$new; - } - } - } - } + return &docondval($allpathcond); +} + +#evaluates an expression of conditions +sub docondval { + my ($allpathcond) = @_; + my $result=0; + if ($env{'request.course.id'} + && defined($allpathcond)) { + my $operand='|'; + my @stack; + foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) { + if ($chunk eq '(') { + push @stack,($operand,$result); + } elsif ($chunk eq ')') { + my $before=pop @stack; + if (pop @stack eq '&') { + $result=$result>$before?$before:$result; + } else { + $result=$result>$before?$result:$before; + } + } elsif (($chunk eq '&') || ($chunk eq '|')) { + $operand=$chunk; + } else { + my $new=directcondval($chunk); + if ($operand eq '&') { + $result=$result>$new?$new:$result; + } else { + $result=$result>$new?$result:$new; + } + } + } } return $result; } @@ -3427,32 +6359,103 @@ sub condval { sub devalidatecourseresdata { my ($coursenum,$coursedomain)=@_; my $hashid=$coursenum.':'.$coursedomain; - &devalidate_cache(\%courseresdatacache,$hashid,'courseres'); + &devalidate_cache_new('courseres',$hashid); } + # --------------------------------------------------- Course Resourcedata Query +# +# Parameters: +# $coursenum - Number of the course. +# $coursedomain - Domain at which the course was created. +# Returns: +# A hash of the course parameters along (I think) with timestamps +# and version info. -sub courseresdata { - my ($coursenum,$coursedomain,@which)=@_; +sub get_courseresdata { + my ($coursenum,$coursedomain)=@_; my $coursehom=&homeserver($coursenum,$coursedomain); my $hashid=$coursenum.':'.$coursedomain; - my ($result,$cached)=&is_cached(\%courseresdatacache,$hashid,'courseres'); + my ($result,$cached)=&is_cached_new('courseres',$hashid); + my %dumpreply; unless (defined($cached)) { - my %dumpreply=&dump('resourcedata',$coursedomain,$coursenum); + %dumpreply=&dump('resourcedata',$coursedomain,$coursenum); $result=\%dumpreply; my ($tmp) = keys(%dumpreply); if ($tmp !~ /^(con_lost|error|no_such_host)/i) { - &do_cache(\%courseresdatacache,$hashid,$result,'courseres'); + &do_cache_new('courseres',$hashid,$result,600); } elsif ($tmp =~ /^(con_lost|no_such_host)/) { return $tmp; } elsif ($tmp =~ /^(error)/) { $result=undef; - &do_cache(\%courseresdatacache,$hashid,$result,'courseres'); + &do_cache_new('courseres',$hashid,$result,600); } } + return $result; +} + +sub devalidateuserresdata { + my ($uname,$udom)=@_; + my $hashid="$udom:$uname"; + &devalidate_cache_new('userres',$hashid); +} + +sub get_userresdata { + my ($uname,$udom)=@_; + #most student don\'t have any data set, check if there is some data + if (&EXT_cache_status($udom,$uname)) { return undef; } + + my $hashid="$udom:$uname"; + my ($result,$cached)=&is_cached_new('userres',$hashid); + if (!defined($cached)) { + my %resourcedata=&dump('resourcedata',$udom,$uname); + $result=\%resourcedata; + &do_cache_new('userres',$hashid,$result,600); + } + my ($tmp)=keys(%$result); + if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) { + return $result; + } + #error 2 occurs when the .db doesn't exist + if ($tmp!~/error: 2 /) { + &logthis("WARNING:". + " Trying to get resource data for ". + $uname." at ".$udom.": ". + $tmp.""); + } elsif ($tmp=~/error: 2 /) { + #&EXT_cache_set($udom,$uname); + &do_cache_new('userres',$hashid,undef,600); + undef($tmp); # not really an error so don't send it back + } + return $tmp; +} +#----------------------------------------------- resdata - return resource data +# Purpose: +# Return resource data for either users or for a course. +# Parameters: +# $name - Course/user name. +# $domain - Name of the domain the user/course is registered on. +# $type - Type of thing $name is (must be 'course' or 'user' +# @which - Array of names of resources desired. +# Returns: +# The value of the first reasource in @which that is found in the +# resource hash. +# Exceptional Conditions: +# If the $type passed in is not valid (not the string 'course' or +# 'user', an undefined reference is returned. +# If none of the resources are found, an undef is returned +sub resdata { + my ($name,$domain,$type,@which)=@_; + my $result; + if ($type eq 'course') { + $result=&get_courseresdata($name,$domain); + } elsif ($type eq 'user') { + $result=&get_userresdata($name,$domain); + } + if (!ref($result)) { return $result; } foreach my $item (@which) { - if (defined($result->{$item})) { - return $result->{$item}; + if (defined($result->{$item->[0]})) { + return [$result->{$item->[0]},$item->[1]]; } } return undef; @@ -3469,7 +6472,7 @@ sub clear_EXT_cache_status { sub EXT_cache_status { my ($target_domain,$target_user) = @_; my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; - if (exists($ENV{$cachename}) && ($ENV{$cachename}+600) > time) { + if (exists($env{$cachename}) && ($env{$cachename}+600) > time) { # We know already the user has no data return 1; } else { @@ -3480,13 +6483,13 @@ sub EXT_cache_status { sub EXT_cache_set { my ($target_domain,$target_user) = @_; my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; - &appenv($cachename => time); + #&appenv($cachename => time); } # --------------------------------------------------------- Value of a Variable sub EXT { - my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; + my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; unless ($varname) { return ''; } #get real user name/domain, courseid and symb my $courseid; @@ -3495,11 +6498,10 @@ sub EXT { $symbparm=&get_symb_from_alias($symbparm); } if (!($uname && $udom)) { - (my $cursymb,$courseid,$udom,$uname,$publicuser)= - &Apache::lonxml::whichuser($symbparm); + (my $cursymb,$courseid,$udom,$uname,$publicuser)= &whichuser($symbparm); if (!$symbparm) { $symbparm=$cursymb; } } else { - $courseid=$ENV{'request.course.id'}; + $courseid=$env{'request.course.id'}; } my ($realm,$space,$qualifier,@therest)=split(/\./,$varname); my $rest; @@ -3516,11 +6518,20 @@ sub EXT { if ($realm eq 'user') { # --------------------------------------------------------------- user.resource if ($space eq 'resource') { - if (defined($Apache::lonhomework::parsing_a_problem)) { - return $Apache::lonhomework::history{$qualifierrest}; + if ( (defined($Apache::lonhomework::parsing_a_problem) + || defined($Apache::lonhomework::parsing_a_task)) + && + ($symbparm eq &symbread()) ) { + # if we are in the middle of processing the resource the + # get the value we are planning on committing + if (defined($Apache::lonhomework::results{$qualifierrest})) { + return $Apache::lonhomework::results{$qualifierrest}; + } else { + return $Apache::lonhomework::history{$qualifierrest}; + } } else { my %restored; - if ($publicuser || $ENV{'request.state'} eq 'construct') { + if ($publicuser || $env{'request.state'} eq 'construct') { %restored=&tmprestore($symbparm,$courseid,$udom,$uname); } else { %restored=&restore($symbparm,$courseid,$udom,$uname); @@ -3533,9 +6544,9 @@ sub EXT { return &allowed($qualifier,$rest); # ------------------------------------------ user.preferences, user.environment } elsif (($space eq 'preferences') || ($space eq 'environment')) { - if (($uname eq $ENV{'user.name'}) && - ($udom eq $ENV{'user.domain'})) { - return $ENV{join('.',('environment',$qualifierrest))}; + if (($uname eq $env{'user.name'}) && + ($udom eq $env{'user.domain'})) { + return $env{join('.',('environment',$qualifierrest))}; } else { my %returnhash; if (!$publicuser) { @@ -3547,11 +6558,11 @@ sub EXT { # ----------------------------------------------------------------- user.course } elsif ($space eq 'course') { # FIXME - not supporting calls for a specific user - return $ENV{join('.',('request.course',$qualifier))}; + return $env{join('.',('request.course',$qualifier))}; # ------------------------------------------------------------------- user.role } elsif ($space eq 'role') { # FIXME - not supporting calls for a specific user - my ($role,$where)=split(/\./,$ENV{'request.role'}); + my ($role,$where)=split(/\./,$env{'request.role'}); if ($qualifier eq 'value') { return $role; } elsif ($qualifier eq 'extent') { @@ -3575,116 +6586,121 @@ sub EXT { # ---------------------------------------------- pull stuff out of query string &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, [$spacequalifierrest]); - return $ENV{'form.'.$spacequalifierrest}; + return $env{'form.'.$spacequalifierrest}; } elsif ($realm eq 'request') { # ------------------------------------------------------------- request.browser if ($space eq 'browser') { if ($qualifier eq 'textremote') { - if (&mt('textual_remote_display') eq 'on') { + if (&Apache::lonlocal::mt('textual_remote_display') eq 'on') { return 1; } else { return 0; } } else { - return $ENV{'browser.'.$qualifier}; + return $env{'browser.'.$qualifier}; } # ------------------------------------------------------------ request.filename } else { - return $ENV{'request.'.$spacequalifierrest}; + return $env{'request.'.$spacequalifierrest}; } } elsif ($realm eq 'course') { # ---------------------------------------------------------- course.description - return $ENV{'course.'.$courseid.'.'.$spacequalifierrest}; + return $env{'course.'.$courseid.'.'.$spacequalifierrest}; } elsif ($realm eq 'resource') { - my $section; - if (defined($courseid) && $courseid eq $ENV{'request.course.id'}) { + if (defined($courseid) && $courseid eq $env{'request.course.id'}) { + if (!$symbparm) { $symbparm=&symbread(); } + } + + if ($space eq 'title') { + if (!$symbparm) { $symbparm = $env{'request.filename'}; } + return &gettitle($symbparm); + } + + if ($space eq 'map') { + my ($map) = &decode_symb($symbparm); + return &symbread($map); + } + if ($space eq 'filename') { + if ($symbparm) { + return &clutter((&decode_symb($symbparm))[2]); + } + return &hreflocation('',$env{'request.filename'}); + } + + my ($section, $group, @groups); + my ($courselevelm,$courselevel); + if ($symbparm && defined($courseid) && + $courseid eq $env{'request.course.id'}) { #print '
'.$space.' - '.$qualifier.' - '.$spacequalifierrest; # ----------------------------------------------------- Cascading lookup scheme - if (!$symbparm) { $symbparm=&symbread(); } my $symbp=$symbparm; - my $mapp=(&decode_symb($symbp))[0]; + my $mapp=&deversion((&decode_symb($symbp))[0]); my $symbparm=$symbp.'.'.$spacequalifierrest; my $mapparm=$mapp.'___(all).'.$spacequalifierrest; - if (($ENV{'user.name'} eq $uname) && - ($ENV{'user.domain'} eq $udom)) { - $section=$ENV{'request.course.sec'}; + if (($env{'user.name'} eq $uname) && + ($env{'user.domain'} eq $udom)) { + $section=$env{'request.course.sec'}; + @groups = split(/:/,$env{'request.course.groups'}); + @groups=&sort_course_groups($courseid,@groups); } else { - if (! defined($usection)) { - $section=&usection($udom,$uname,$courseid); - } else { - $section = $usection; - } + if (! defined($usection)) { + $section=&getsection($udom,$uname,$courseid); + } else { + $section = $usection; + } + @groups = &get_users_groups($udom,$uname,$courseid); } my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest; my $seclevelr=$courseid.'.['.$section.'].'.$symbparm; my $seclevelm=$courseid.'.['.$section.'].'.$mapparm; - my $courselevel=$courseid.'.'.$spacequalifierrest; + $courselevel=$courseid.'.'.$spacequalifierrest; my $courselevelr=$courseid.'.'.$symbparm; - my $courselevelm=$courseid.'.'.$mapparm; + $courselevelm=$courseid.'.'.$mapparm; # ----------------------------------------------------------- first, check user - #most student don\'t have any data set, check if there is some data - if (! &EXT_cache_status($udom,$uname)) { - my $hashid="$udom:$uname"; - my ($result,$cached)=&is_cached(\%userresdatacache,$hashid, - 'userres'); - if (!defined($cached)) { - my %resourcedata=&get('resourcedata', - [$courselevelr,$courselevelm, - $courselevel],$udom,$uname); - $result=\%resourcedata; - &do_cache(\%userresdatacache,$hashid,$result,'userres'); - } - my ($tmp)=keys(%$result); - if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) { - if ($$result{$courselevelr}) { - return $$result{$courselevelr}; } - if ($$result{$courselevelm}) { - return $$result{$courselevelm}; } - if ($$result{$courselevel}) { - return $$result{$courselevel}; } - } else { - if ($tmp!~/No such file/) { - &logthis("WARNING:". - " Trying to get resource data for ". - $uname." at ".$udom.": ". - $tmp.""); - } elsif ($tmp=~/error:No such file/) { - &EXT_cache_set($udom,$uname); - } elsif ($tmp =~ /^(con_lost|no_such_host)/) { - return $tmp; - } - } - } -# -------------------------------------------------------- second, check course + my $userreply=&resdata($uname,$udom,'user', + ([$courselevelr,'resource'], + [$courselevelm,'map' ], + [$courselevel, 'course' ])); + if (defined($userreply)) { return &get_reply($userreply); } + +# ------------------------------------------------ second, check some of course + my $coursereply; + if (@groups > 0) { + $coursereply = &check_group_parms($courseid,\@groups,$symbparm, + $mapparm,$spacequalifierrest); + if (defined($coursereply)) { return &get_reply($coursereply); } + } - my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'}, - $ENV{'course.'.$courseid.'.domain'}, - ($seclevelr,$seclevelm,$seclevel, - $courselevelr,$courselevelm, - $courselevel)); - if (defined($coursereply)) { return $coursereply; } + $coursereply=&resdata($env{'course.'.$courseid.'.num'}, + $env{'course.'.$courseid.'.domain'}, + 'course', + ([$seclevelr, 'resource'], + [$seclevelm, 'map' ], + [$seclevel, 'course' ], + [$courselevelr,'resource'])); + if (defined($coursereply)) { return &get_reply($coursereply); } # ------------------------------------------------------ third, check map parms my %parmhash=(); my $thisparm=''; if (tie(%parmhash,'GDBM_File', - $ENV{'request.course.fn'}.'_parms.db', + $env{'request.course.fn'}.'_parms.db', &GDBM_READER(),0640)) { $thisparm=$parmhash{$symbparm}; untie(%parmhash); } - if ($thisparm) { return $thisparm; } + if ($thisparm) { return &get_reply([$thisparm,'resource']); } } -# --------------------------------------------- last, look in resource metadata +# ------------------------------------------ fourth, look in resource metadata $spacequalifierrest=~s/\./\_/; my $filename; @@ -3692,33 +6708,45 @@ sub EXT { if ($symbparm) { $filename=(&decode_symb($symbparm))[2]; } else { - $filename=$ENV{'request.filename'}; + $filename=$env{'request.filename'}; } my $metadata=&metadata($filename,$spacequalifierrest); - if (defined($metadata)) { return $metadata; } + if (defined($metadata)) { return &get_reply([$metadata,'resource']); } $metadata=&metadata($filename,'parameter_'.$spacequalifierrest); - if (defined($metadata)) { return $metadata; } + if (defined($metadata)) { return &get_reply([$metadata,'resource']); } +# ---------------------------------------------- fourth, look in rest of course + if ($symbparm && defined($courseid) && + $courseid eq $env{'request.course.id'}) { + my $coursereply=&resdata($env{'course.'.$courseid.'.num'}, + $env{'course.'.$courseid.'.domain'}, + 'course', + ([$courselevelm,'map' ], + [$courselevel, 'course'])); + if (defined($coursereply)) { return &get_reply($coursereply); } + } # ------------------------------------------------------------------ Cascade up unless ($space eq '0') { my @parts=split(/_/,$space); my $id=pop(@parts); my $part=join('_',@parts); if ($part eq '') { $part='0'; } - my $partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest, + my @partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest, $symbparm,$udom,$uname,$section,1); - if (defined($partgeneral)) { return $partgeneral; } + if (defined($partgeneral[0])) { return &get_reply(\@partgeneral); } } if ($recurse) { return undef; } my $pack_def=&packages_tab_default($filename,$varname); - if (defined($pack_def)) { return $pack_def; } - + if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); } # ---------------------------------------------------- Any other user namespace } elsif ($realm eq 'environment') { # ----------------------------------------------------------------- environment - if (($uname eq $ENV{'user.name'})&&($udom eq $ENV{'user.domain'})) { - return $ENV{'environment.'.$spacequalifierrest}; + if (($uname eq $env{'user.name'})&&($udom eq $env{'user.domain'})) { + return $env{'environment.'.$spacequalifierrest}; } else { + if ($uname eq 'anonymous' && $udom eq '') { + return ''; + } my %returnhash=&userenvironment($udom,$uname, $spacequalifierrest); return $returnhash{$spacequalifierrest}; @@ -3728,19 +6756,98 @@ sub EXT { if ($space eq 'time') { return time; } + } elsif ($realm eq 'server') { +# ----------------------------------------------------------------- system.time + if ($space eq 'name') { + return $ENV{'SERVER_NAME'}; + } } return ''; } +sub get_reply { + my ($reply_value) = @_; + if (ref($reply_value) eq 'ARRAY') { + if (wantarray) { + return @$reply_value; + } + return $reply_value->[0]; + } else { + return $reply_value; + } +} + +sub check_group_parms { + my ($courseid,$groups,$symbparm,$mapparm,$what) = @_; + my @groupitems = (); + my $resultitem; + my @levels = ([$symbparm,'resource'],[$mapparm,'map'],[$what,'course']); + foreach my $group (@{$groups}) { + foreach my $level (@levels) { + my $item = $courseid.'.['.$group.'].'.$level->[0]; + push(@groupitems,[$item,$level->[1]]); + } + } + my $coursereply = &resdata($env{'course.'.$courseid.'.num'}, + $env{'course.'.$courseid.'.domain'}, + 'course',@groupitems); + return $coursereply; +} + +sub sort_course_groups { # Sort groups based on defined rankings. Default is sort(). + my ($courseid,@groups) = @_; + @groups = sort(@groups); + return @groups; +} + sub packages_tab_default { my ($uri,$varname)=@_; my (undef,$part,$name)=split(/\./,$varname); - my $packages=&metadata($uri,'packages'); - foreach my $package (split(/,/,$packages)) { + + my (@extension,@specifics,$do_default); + foreach my $package (split(/,/,&metadata($uri,'packages'))) { my ($pack_type,$pack_part)=split(/_/,$package,2); - if ($pack_part eq $part) { + if ($pack_type eq 'default') { + $do_default=1; + } elsif ($pack_type eq 'extension') { + push(@extension,[$package,$pack_type,$pack_part]); + } elsif ($pack_part eq $part || $pack_type eq 'part') { + # only look at packages defaults for packages that this id is + push(@specifics,[$package,$pack_type,$pack_part]); + } + } + # first look for a package that matches the requested part id + foreach my $package (@specifics) { + my (undef,$pack_type,$pack_part)=@{$package}; + next if ($pack_part ne $part); + if (defined($packagetab{"$pack_type&$name&default"})) { + return $packagetab{"$pack_type&$name&default"}; + } + } + # look for any possible matching non extension_ package + foreach my $package (@specifics) { + my (undef,$pack_type,$pack_part)=@{$package}; + if (defined($packagetab{"$pack_type&$name&default"})) { return $packagetab{"$pack_type&$name&default"}; } + if ($pack_type eq 'part') { $pack_part='0'; } + if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) { + return $packagetab{$pack_type."_".$pack_part."&$name&default"}; + } + } + # look for any posible extension_ match + foreach my $package (@extension) { + my ($package,$pack_type)=@{$package}; + if (defined($packagetab{"$pack_type&$name&default"})) { + return $packagetab{"$pack_type&$name&default"}; + } + if (defined($packagetab{$package."&$name&default"})) { + return $packagetab{$package."&$name&default"}; + } + } + # look for a global default setting + if ($do_default && defined($packagetab{"default&$name&default"})) { + return $packagetab{"default&$name&default"}; } return undef; } @@ -3763,14 +6870,20 @@ sub add_prefix_and_part { # ---------------------------------------------------------------- Get metadata +my %metaentry; sub metadata { my ($uri,$what,$liburi,$prefix,$depthcount)=@_; $uri=&declutter($uri); # if it is a non metadata possible uri return quickly - if (($uri eq '') || (($uri =~ m|^/*adm/|) && ($uri !~ m|^adm/includes|)) || - ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ /^~/) || - ($uri =~ m|home/[^/]+/public_html/|)) { - return ''; + if (($uri eq '') || + (($uri =~ m|^/*adm/|) && + ($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) || + ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) ) { + return undef; + } + if (($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) + && &Apache::lonxml::get_state('target') =~ /^(|meta)$/) { + return undef; } my $filename=$uri; $uri=~s/\.meta$//; @@ -3780,23 +6893,38 @@ sub metadata { # Everything is cached by the main uri, libraries are never directly cached # if (!defined($liburi)) { - my ($result,$cached)=&is_cached(\%metacache,$uri,'meta'); + my ($result,$cached)=&is_cached_new('meta',$uri); if (defined($cached)) { return $result->{':'.$what}; } } { # # Is this a recursive call for a library? # - my %lcmetacache; +# if (! exists($metacache{$uri})) { +# $metacache{$uri}={}; +# } + my $cachetime = 60*60; if ($liburi) { $liburi=&declutter($liburi); $filename=$liburi; } else { - &devalidate_cache(\%metacache,$uri,'meta'); + &devalidate_cache_new('meta',$uri); + undef(%metaentry); } my %metathesekeys=(); unless ($filename=~/\.meta$/) { $filename.='.meta'; } - my $metastring=&getfile(&filelocation('',&clutter($filename))); + my $metastring; + if ($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) { + my $which = &hreflocation('','/'.($liburi || $uri)); + $metastring = + &Apache::lonnet::ssi_body($which, + ('grade_target' => 'meta')); + $cachetime = 1; # only want this cached in the child not long term + } elsif ($uri !~ m -^(editupload)/-) { + my $file=&filelocation('',&clutter($filename)); + #push(@{$metaentry{$uri.'.file'}},$file); + $metastring=&getfile($file); + } my $parser=HTML::LCParser->new(\$metastring); my $token; undef %metathesekeys; @@ -3811,21 +6939,21 @@ sub metadata { if (defined($token->[2]->{'id'})) { $keyroot.='_'.$token->[2]->{'id'}; } - if ($lcmetacache{':packages'}) { - $lcmetacache{':packages'}.=','.$package.$keyroot; + if ($metaentry{':packages'}) { + $metaentry{':packages'}.=','.$package.$keyroot; } else { - $lcmetacache{':packages'}=$package.$keyroot; + $metaentry{':packages'}=$package.$keyroot; } - foreach (keys %packagetab) { + foreach my $pack_entry (keys(%packagetab)) { my $part=$keyroot; $part=~s/^\_//; - if ($_=~/^\Q$package\E\&/ || - $_=~/^\Q$package\E_0\&/) { - my ($pack,$name,$subp)=split(/\&/,$_); + if ($pack_entry=~/^\Q$package\E\&/ || + $pack_entry=~/^\Q$package\E_0\&/) { + my ($pack,$name,$subp)=split(/\&/,$pack_entry); # ignore package.tab specified default values # here &package_tab_default() will fetch those if ($subp eq 'default') { next; } - my $value=$packagetab{$_}; + my $value=$packagetab{$pack_entry}; my $unikey; if ($pack =~ /_0$/) { $unikey='parameter_0_'.$name; @@ -3836,14 +6964,14 @@ sub metadata { if ($subp eq 'display') { $value.=' [Part: '.$part.']'; } - $lcmetacache{':'.$unikey.'.part'}=$part; + $metaentry{':'.$unikey.'.part'}=$part; $metathesekeys{$unikey}=1; - unless (defined($lcmetacache{':'.$unikey.'.'.$subp})) { - $lcmetacache{':'.$unikey.'.'.$subp}=$value; + unless (defined($metaentry{':'.$unikey.'.'.$subp})) { + $metaentry{':'.$unikey.'.'.$subp}=$value; } - if (defined($lcmetacache{':'.$unikey.'.default'})) { - $lcmetacache{':'.$unikey}= - $lcmetacache{':'.$unikey.'.default'}; + if (defined($metaentry{':'.$unikey.'.default'})) { + $metaentry{':'.$unikey}= + $metaentry{':'.$unikey.'.default'}; } } } @@ -3873,10 +7001,12 @@ sub metadata { my $dir=$filename; $dir=~s|[^/]*$||; $location=&filelocation($dir,$location); - foreach (sort(split(/\,/,&metadata($uri,'keys', - $location,$unikey, - $depthcount+1)))) { - $metathesekeys{$_}=1; + my $metadata = + &metadata($uri,'keys', $location,$unikey, + $depthcount+1); + foreach my $meta (split(',',$metadata)) { + $metaentry{':'.$meta}=$metaentry{':'.$meta}; + $metathesekeys{$meta}=1; } } } else { @@ -3885,19 +7015,21 @@ sub metadata { $unikey.='_'.$token->[2]->{'name'}; } $metathesekeys{$unikey}=1; - foreach (@{$token->[3]}) { - $lcmetacache{':'.$unikey.'.'.$_}=$token->[2]->{$_}; + foreach my $param (@{$token->[3]}) { + $metaentry{':'.$unikey.'.'.$param} = + $token->[2]->{$param}; } my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry)); - my $default=$lcmetacache{':'.$unikey.'.default'}; + my $default=$metaentry{':'.$unikey.'.default'}; if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) { # only ws inside the tag, and not in default, so use default # as value - $lcmetacache{':'.$unikey}=$default; + $metaentry{':'.$unikey}=$default; + } elsif ( $internaltext =~ /\S/ ) { + # something interesting inside the tag + $metaentry{':'.$unikey}=$internaltext; } else { - # either something interesting inside the tag or default - # uninteresting - $lcmetacache{':'.$unikey}=$internaltext; + # no interesting values, don't set a default } # end of not-a-package not-a-library import } @@ -3906,37 +7038,89 @@ sub metadata { # the next is the end of "start tag" } } + my ($extension) = ($uri =~ /\.(\w+)$/); + $extension = lc($extension); + if ($extension eq 'htm') { $extension='html'; } + + foreach my $key (keys(%packagetab)) { + #no specific packages #how's our extension + if ($key!~/^extension_\Q$extension\E&/) { next; } + &metadata_create_package_def($uri,$key,'extension_'.$extension, + \%metathesekeys); + } + + if (!exists($metaentry{':packages'}) + || $packagetab{"import_defaults&extension_$extension"}) { + foreach my $key (keys(%packagetab)) { + #no specific packages well let's get default then + if ($key!~/^default&/) { next; } + &metadata_create_package_def($uri,$key,'default', + \%metathesekeys); + } + } # are there custom rights to evaluate - if ($lcmetacache{':copyright'} eq 'custom') { + if ($metaentry{':copyright'} eq 'custom') { # # Importing a rights file here # unless ($depthcount) { - my $location=$lcmetacache{':customdistributionfile'}; + my $location=$metaentry{':customdistributionfile'}; my $dir=$filename; $dir=~s|[^/]*$||; $location=&filelocation($dir,$location); - foreach (sort(split(/\,/,&metadata($uri,'keys', - $location,'_rights', - $depthcount+1)))) { - $metathesekeys{$_}=1; + my $rights_metadata = + &metadata($uri,'keys',$location,'_rights', + $depthcount+1); + foreach my $rights (split(',',$rights_metadata)) { + #$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights}; + $metathesekeys{$rights}=1; } } } - $lcmetacache{':keys'}=join(',',keys %metathesekeys); - &metadata_generate_part0(\%metathesekeys,\%lcmetacache,$uri); - $lcmetacache{':allpossiblekeys'}=join(',',keys %metathesekeys); - &do_cache(\%metacache,$uri,\%lcmetacache,'meta'); + # uniqifiy package listing + my %seen; + my @uniq_packages = + grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); + $metaentry{':packages'} = join(',',@uniq_packages); + + $metaentry{':keys'} = join(',',keys(%metathesekeys)); + &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); + $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); + &do_cache_new('meta',$uri,\%metaentry,$cachetime); # this is the end of "was not already recently cached } - return $metacache{$uri}->{':'.$what}; + return $metaentry{':'.$what}; +} + +sub metadata_create_package_def { + my ($uri,$key,$package,$metathesekeys)=@_; + my ($pack,$name,$subp)=split(/\&/,$key); + if ($subp eq 'default') { next; } + + if (defined($metaentry{':packages'})) { + $metaentry{':packages'}.=','.$package; + } else { + $metaentry{':packages'}=$package; + } + my $value=$packagetab{$key}; + my $unikey; + $unikey='parameter_0_'.$name; + $metaentry{':'.$unikey.'.part'}=0; + $$metathesekeys{$unikey}=1; + unless (defined($metaentry{':'.$unikey.'.'.$subp})) { + $metaentry{':'.$unikey.'.'.$subp}=$value; + } + if (defined($metaentry{':'.$unikey.'.default'})) { + $metaentry{':'.$unikey}= + $metaentry{':'.$unikey.'.default'}; + } } sub metadata_generate_part0 { my ($metadata,$metacache,$uri) = @_; my %allnames; - foreach my $metakey (sort keys %$metadata) { + foreach my $metakey (keys(%$metadata)) { if ($metakey=~/^parameter\_(.*)/) { my $part=$$metacache{':'.$metakey.'.part'}; my $name=$$metacache{':'.$metakey.'.name'}; @@ -3955,51 +7139,95 @@ sub metadata_generate_part0 { '.type'}; my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name. '.display'}; - my $expr='\\[Part: '.$allnames{$name}.'\\]'; - $olddis=~s/$expr/\[Part: 0\]/; + my $expr='[Part: '.$allnames{$name}.']'; + $olddis=~s/\Q$expr\E/\[Part: 0\]/; $$metacache{"$key.display"}=$olddis; } } +# ------------------------------------------------------ Devalidate title cache + +sub devalidate_title_cache { + my ($url)=@_; + if (!$env{'request.course.id'}) { return; } + my $symb=&symbread($url); + if (!$symb) { return; } + my $key=$env{'request.course.id'}."\0".$symb; + &devalidate_cache_new('title',$key); +} + # ------------------------------------------------- Get the title of a resource sub gettitle { my $urlsymb=shift; my $symb=&symbread($urlsymb); - unless ($symb) { - unless ($urlsymb) { $urlsymb=$ENV{'request.filename'}; } - return &metadata($urlsymb,'title'); - } - my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600); - if (defined($cached)) { return $result; } - my ($map,$resid,$url)=&decode_symb($symb); - my $title=''; - my %bighash; - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', - &GDBM_READER(),0640)) { - my $mapid=$bighash{'map_pc_'.&clutter($map)}; - $title=$bighash{'title_'.$mapid.'.'.$resid}; - untie %bighash; + if ($symb) { + my $key=$env{'request.course.id'}."\0".$symb; + my ($result,$cached)=&is_cached_new('title',$key); + if (defined($cached)) { + return $result; + } + my ($map,$resid,$url)=&decode_symb($symb); + my $title=''; + if (!$map && $resid == 0 && $url =~/default\.sequence$/) { + $title = $env{'course.'.$env{'request.course.id'}.'.description'}; + } else { + if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + my $mapid=$bighash{'map_pc_'.&clutter($map)}; + $title=$bighash{'title_'.$mapid.'.'.$resid}; + untie(%bighash); + } + } + $title=~s/\&colon\;/\:/gs; + if ($title) { + return &do_cache_new('title',$key,$title,600); + } + $urlsymb=$url; } - $title=~s/\&colon\;/\:/gs; - if ($title) { - return &do_cache(\%titlecache,$symb,$title,'title'); + my $title=&metadata($urlsymb,'title'); + if (!$title) { $title=(split('/',$urlsymb))[-1]; } + return $title; +} + +sub get_slot { + my ($which,$cnum,$cdom)=@_; + if (!$cnum || !$cdom) { + (undef,my $courseid)=&whichuser(); + $cdom=$env{'course.'.$courseid.'.domain'}; + $cnum=$env{'course.'.$courseid.'.num'}; + } + my $key=join("\0",'slots',$cdom,$cnum,$which); + my %slotinfo; + if (exists($remembered{$key})) { + $slotinfo{$which} = $remembered{$key}; } else { - return &metadata($urlsymb,'title'); + %slotinfo=&get('slots',[$which],$cdom,$cnum); + &Apache::lonhomework::showhash(%slotinfo); + my ($tmp)=keys(%slotinfo); + if ($tmp=~/^error:/) { return (); } + $remembered{$key} = $slotinfo{$which}; } + if (ref($slotinfo{$which}) eq 'HASH') { + return %{$slotinfo{$which}}; + } + return $slotinfo{$which}; } - # ------------------------------------------------- Update symbolic store links sub symblist { my ($mapname,%newhash)=@_; - $mapname=declutter($mapname); + $mapname=&deversion(&declutter($mapname)); my %hash; - if (($ENV{'request.course.fn'}) && (%newhash)) { - if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', + if (($env{'request.course.fn'}) && (%newhash)) { + if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_WRCREAT(),0640)) { - foreach (keys %newhash) { - $hash{declutter($_)}=$mapname.'___'.$newhash{$_}; + foreach my $url (keys %newhash) { + next if ($url eq 'last_known' + && $env{'form.no_update_last_known'}); + $hash{declutter($url)}=&encode_symb($mapname, + $newhash{$url}->[1], + $newhash{$url}->[0]); } if (untie(%hash)) { return 'ok'; @@ -4012,34 +7240,41 @@ sub symblist { # --------------------------------------------------------------- Verify a symb sub symbverify { - my ($symb,$thisfn)=@_; - $thisfn=&symbclean(&declutter($thisfn)); + my ($symb,$thisurl)=@_; + my $thisfn=$thisurl; + $thisfn=&declutter($thisfn); # direct jump to resource in page or to a sequence - will construct own symbs if ($thisfn=~/\.(page|sequence)$/) { return 1; } # check URL part my ($map,$resid,$url)=&decode_symb($symb); + unless ($url eq $thisfn) { return 0; } $symb=&symbclean($symb); + $thisurl=&deversion($thisurl); + $thisfn=&deversion($thisfn); my %bighash; my $okay=0; - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { - my $ids=$bighash{'ids_'.&clutter($thisfn)}; + my $ids=$bighash{'ids_'.&clutter($thisurl)}; unless ($ids) { - $ids=$bighash{'ids_/'.$thisfn}; + $ids=$bighash{'ids_/'.$thisurl}; } if ($ids) { # ------------------------------------------------------------------- Has ID(s) - foreach (split(/\,/,$ids)) { - my ($mapid,$resid)=split(/\./,$_); + foreach my $id (split(/\,/,$ids)) { + my ($mapid,$resid)=split(/\./,$id); if ( &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) eq $symb) { - $okay=1; - } + if (($env{'request.role.adv'}) || + $bighash{'encrypted_'.$id} eq $env{'request.enc'}) { + $okay=1; + } + } } } untie(%bighash); @@ -4051,13 +7286,17 @@ sub symbverify { sub symbclean { my $symb=shift; - + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } # remove version from map $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/; # remove version from URL $symb=~s/\.(\d+)\.(\w+)$/\.$2/; +# remove wrapper + + $symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/; + $symb=~s/(\_\_\_\d+\_\_\_)adm\/coursedocs\/showdoc\/(res\/)*/$1/; return $symb; } @@ -4069,63 +7308,91 @@ sub encode_symb { } sub decode_symb { - my ($map,$resid,$url)=split(/\_\_\_/,shift); + my $symb=shift; + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } + my ($map,$resid,$url)=split(/___/,$symb); return (&fixversion($map),$resid,&fixversion($url)); } sub fixversion { my $fn=shift; - if ($fn=~/^(adm|uploaded|public)/) { return $fn; } + if ($fn=~/^(adm|uploaded|editupload|public)/) { return $fn; } my %bighash; my $uri=&clutter($fn); - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', - &GDBM_READER(),0640)) { - if ($bighash{'version_'.$uri}) { - my $version=$bighash{'version_'.$uri}; - unless ($version eq 'mostrecent') { - $uri=~s/\.(\w+)$/\.$version\.$1/; - } - } - untie %bighash; - } - return &declutter($uri); + my $key=$env{'request.course.id'}.'_'.$uri; +# is this cached? + my ($result,$cached)=&is_cached_new('courseresversion',$key); + if (defined($cached)) { return $result; } +# unfortunately not cached, or expired + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + if ($bighash{'version_'.$uri}) { + my $version=$bighash{'version_'.$uri}; + unless (($version eq 'mostrecent') || + ($version==&getversion($uri))) { + $uri=~s/\.(\w+)$/\.$version\.$1/; + } + } + untie %bighash; + } + return &do_cache_new('courseresversion',$key,&declutter($uri),600); +} + +sub deversion { + my $url=shift; + $url=~s/\.\d+\.(\w+)$/\.$1/; + return $url; } # ------------------------------------------------------ Return symb list entry sub symbread { my ($thisfn,$donotrecurse)=@_; + my $cache_str='request.symbread.cached.'.$thisfn; + if (defined($env{$cache_str})) { return $env{$cache_str}; } # no filename provided? try from environment unless ($thisfn) { - if ($ENV{'request.symb'}) { return &symbclean($ENV{'request.symb'}); } - $thisfn=$ENV{'request.filename'}; + if ($env{'request.symb'}) { + return $env{$cache_str}=&symbclean($env{'request.symb'}); + } + $thisfn=$env{'request.filename'}; } + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } # is that filename actually a symb? Verify, clean, and return if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) { - if (&symbverify($thisfn,$1)) { return &symbclean($thisfn); } + if (&symbverify($thisfn,$1)) { + return $env{$cache_str}=&symbclean($thisfn); + } } $thisfn=declutter($thisfn); my %hash; my %bighash; my $syval=''; - if (($ENV{'request.course.fn'}) && ($thisfn)) { - if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', + if (($env{'request.course.fn'}) && ($thisfn)) { + my $targetfn = $thisfn; + if ( ($thisfn =~ m/^(uploaded|editupload)\//) && ($thisfn !~ m/\.(page|sequence)$/) ) { + $targetfn = 'adm/wrapper/'.$thisfn; + } + if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) { + $targetfn=$1; + } + if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_READER(),0640)) { - $syval=$hash{$thisfn}; + $syval=$hash{$targetfn}; untie(%hash); } # ---------------------------------------------------------- There was an entry if ($syval) { - unless ($syval=~/\_\d+$/) { - unless ($ENV{'form.request.prefix'}=~/\.(\d+)\_$/) { - &appenv('request.ambiguous' => $thisfn); - return ''; - } - $syval.=$1; - } + #unless ($syval=~/\_\d+$/) { + #unless ($env{'form.request.prefix'}=~/\.(\d+)\_$/) { + #&appenv('request.ambiguous' => $thisfn); + #return $env{$cache_str}=''; + #} + #$syval.=$1; + #} } else { # ------------------------------------------------------- Was not in symb table - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { # ---------------------------------------------- Get ID(s) for current resource my $ids=$bighash{'ids_'.&clutter($thisfn)}; @@ -4142,18 +7409,19 @@ sub symbread { if ($#possibilities==0) { # ----------------------------------------------- There is only one possibility my ($mapid,$resid)=split(/\./,$ids); - $syval=declutter($bighash{'map_id_'.$mapid}).'___'.$resid; + $syval=&encode_symb($bighash{'map_id_'.$mapid}, + $resid,$thisfn); } elsif (!$donotrecurse) { # ------------------------------------------ There is more than one possibility my $realpossible=0; - foreach (@possibilities) { - my $file=$bighash{'src_'.$_}; + foreach my $id (@possibilities) { + my $file=$bighash{'src_'.$id}; if (&allowed('bre',$file)) { - my ($mapid,$resid)=split(/\./,$_); + my ($mapid,$resid)=split(/\./,$id); if ($bighash{'map_type_'.$mapid} ne 'page') { $realpossible++; - $syval=declutter($bighash{'map_id_'.$mapid}). - '___'.$resid; + $syval=&encode_symb($bighash{'map_id_'.$mapid}, + $resid,$thisfn); } } } @@ -4163,14 +7431,14 @@ sub symbread { } } untie(%bighash) - } + } } if ($syval) { - return &symbclean($syval.'___'.$thisfn); + return $env{$cache_str}=$syval; } } &appenv('request.ambiguous' => $thisfn); - return ''; + return $env{$cache_str}=''; } # ---------------------------------------------------------- Return random seed @@ -4184,27 +7452,128 @@ sub numval { $txt=~tr/U-Z/0-5/; $txt=~tr/u-z/0-5/; $txt=~s/\D//g; + if ($_64bit) { if ($txt > 2**32) { return -1; } } return int($txt); } +sub numval2 { + my $txt=shift; + $txt=~tr/A-J/0-9/; + $txt=~tr/a-j/0-9/; + $txt=~tr/K-T/0-9/; + $txt=~tr/k-t/0-9/; + $txt=~tr/U-Z/0-5/; + $txt=~tr/u-z/0-5/; + $txt=~s/\D//g; + my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); + my $total; + foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { if ($total > 2**32) { return -1; } } + return int($total); +} + +sub numval3 { + use integer; + my $txt=shift; + $txt=~tr/A-J/0-9/; + $txt=~tr/a-j/0-9/; + $txt=~tr/K-T/0-9/; + $txt=~tr/k-t/0-9/; + $txt=~tr/U-Z/0-5/; + $txt=~tr/u-z/0-5/; + $txt=~s/\D//g; + my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); + my $total; + foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { $total=(($total<<32)>>32); } + return $total; +} + +sub digest { + my ($data)=@_; + my $digest=&Digest::MD5::md5($data); + my ($a,$b,$c,$d)=unpack("iiii",$digest); + my ($e,$f); + { + use integer; + $e=($a+$b); + $f=($c+$d); + if ($_64bit) { + $e=(($e<<32)>>32); + $f=(($f<<32)>>32); + } + } + if (wantarray) { + return ($e,$f); + } else { + my $g; + { + use integer; + $g=($e+$f); + if ($_64bit) { + $g=(($g<<32)>>32); + } + } + return $g; + } +} + sub latest_rnd_algorithm_id { - return '64bit'; + return '64bit5'; +} + +sub get_rand_alg { + my ($courseid)=@_; + if (!$courseid) { $courseid=(&whichuser())[1]; } + if ($courseid) { + return $env{"course.$courseid.rndseed"}; + } + return &latest_rnd_algorithm_id(); +} + +sub validCODE { + my ($CODE)=@_; + if (defined($CODE) && $CODE ne '' && $CODE =~ /^\w+$/) { return 1; } + return 0; +} + +sub getCODE { + if (&validCODE($env{'form.CODE'})) { return $env{'form.CODE'}; } + if ( (defined($Apache::lonhomework::parsing_a_problem) || + defined($Apache::lonhomework::parsing_a_task) ) && + &validCODE($Apache::lonhomework::history{'resource.CODE'})) { + return $Apache::lonhomework::history{'resource.CODE'}; + } + return undef; } sub rndseed { my ($symb,$courseid,$domain,$username)=@_; - - my ($wsymb,$wcourseid,$wdomain,$wusername)=&Apache::lonxml::whichuser(); - if (!$symb) { + my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser(); + if (!defined($symb)) { unless ($symb=$wsymb) { return time; } } if (!$courseid) { $courseid=$wcourseid; } if (!$domain) { $domain=$wdomain; } if (!$username) { $username=$wusername } - my $which=$ENV{"course.$courseid.rndseed"}; - my $CODE=$ENV{'scantron.CODE'}; - if (defined($CODE)) { - &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + my $which=&get_rand_alg(); + + if (defined(&getCODE())) { + if ($which eq '64bit5') { + return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username); + } elsif ($which eq '64bit4') { + return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username); + } else { + return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + } + } elsif ($which eq '64bit5') { + return &rndseed_64bit5($symb,$courseid,$domain,$username); + } elsif ($which eq '64bit4') { + return &rndseed_64bit4($symb,$courseid,$domain,$username); + } elsif ($which eq '64bit3') { + return &rndseed_64bit3($symb,$courseid,$domain,$username); + } elsif ($which eq '64bit2') { + return &rndseed_64bit2($symb,$courseid,$domain,$username); } elsif ($which eq '64bit') { return &rndseed_64bit($symb,$courseid,$domain,$username); } @@ -4222,8 +7591,9 @@ sub rndseed_32bit { my $domainseed=unpack("%32C*",$domain) << 7; my $courseseed=unpack("%32C*",$courseid); my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck; - #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num:$symb"); + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num:$symb"); + if ($_64bit) { $num=(($num<<32)>>32); } return $num; } } @@ -4242,123 +7612,526 @@ sub rndseed_64bit { my $num1=$symbchck+$symbseed+$namechck; my $num2=$nameseed+$domainseed+$courseseed; - #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num:$symb"); + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } return "$num1,$num2"; } } -sub rndseed_CODE_64bit { +sub rndseed_64bit2 { my ($symb,$courseid,$domain,$username)=@_; { use integer; - my $symbchck=unpack("%32S*",$symb) << 16; - my $symbseed=numval($symb); - my $CODEseed=numval($ENV{'scantron.CODE'}) << 16; - my $courseseed=unpack("%32S*",$courseid); - my $num1=$symbseed+$CODEseed; - my $num2=$courseseed+$symbchck; - #&Apache::lonxml::debug("$symbseed:$CODEseed|$courseseed:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } return "$num1,$num2"; } } +sub rndseed_64bit3 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval2($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval2($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + + return "$num1:$num2"; + } +} + +sub rndseed_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval3($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval3($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + + return "$num1:$num2"; + } +} + +sub rndseed_64bit5 { + my ($symb,$courseid,$domain,$username)=@_; + my ($num1,$num2)=&digest("$symb,$courseid,$domain,$username"); + return "$num1:$num2"; +} + +sub rndseed_CODE_64bit { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + my $symbchck=unpack("%32S*",$symb.' ') << 16; + my $symbseed=numval2($symb); + my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; + my $CODEseed=numval(&getCODE()); + my $courseseed=unpack("%32S*",$courseid.' '); + my $num1=$symbseed+$CODEchck; + my $num2=$CODEseed+$courseseed+$symbchck; + #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); + #&logthis("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } + return "$num1:$num2"; + } +} + +sub rndseed_CODE_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + my $symbchck=unpack("%32S*",$symb.' ') << 16; + my $symbseed=numval3($symb); + my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; + my $CODEseed=numval3(&getCODE()); + my $courseseed=unpack("%32S*",$courseid.' '); + my $num1=$symbseed+$CODEchck; + my $num2=$CODEseed+$courseseed+$symbchck; + #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); + #&logthis("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } + return "$num1:$num2"; + } +} + +sub rndseed_CODE_64bit5 { + my ($symb,$courseid,$domain,$username)=@_; + my $code = &getCODE(); + my ($num1,$num2)=&digest("$symb,$courseid,$code"); + return "$num1:$num2"; +} + sub setup_random_from_rndseed { my ($rndseed)=@_; - if ($rndseed =~/,/) { - my ($num1,$num2)=split(/,/,$rndseed); + if ($rndseed =~/([,:])/) { + my ($num1,$num2)=split(/[,:]/,$rndseed); &Math::Random::random_set_seed(abs($num1),abs($num2)); } else { &Math::Random::random_set_seed_from_phrase($rndseed); } } +sub latest_receipt_algorithm_id { + return 'receipt3'; +} + +sub recunique { + my $fucourseid=shift; + my $unique; + if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' || + $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) { + $unique=$env{"course.$fucourseid.internal.encseed"}; + } else { + $unique=$perlvar{'lonReceipt'}; + } + return unpack("%32C*",$unique); +} + +sub recprefix { + my $fucourseid=shift; + my $prefix; + if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2'|| + $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) { + $prefix=$env{"course.$fucourseid.internal.encpref"}; + } else { + $prefix=$perlvar{'lonHostID'}; + } + return unpack("%32C*",$prefix); +} + sub ireceipt { - my ($funame,$fudom,$fucourseid,$fusymb)=@_; + my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_; + + my $return =&recprefix($fucourseid).'-'; + + if ($env{"course.$fucourseid.receiptalg"} eq 'receipt3' || + $env{'request.state'} eq 'construct') { + $return .= (&digest("$funame,$fudom,$fucourseid,$fusymb,$part")%10000); + return $return; + } + my $cuname=unpack("%32C*",$funame); my $cudom=unpack("%32C*",$fudom); my $cucourseid=unpack("%32C*",$fucourseid); my $cusymb=unpack("%32C*",$fusymb); - my $cunique=unpack("%32C*",$perlvar{'lonReceipt'}); - return unpack("%32C*",$perlvar{'lonHostID'}).'-'. - ($cunique%$cuname+ - $cunique%$cudom+ - $cusymb%$cuname+ - $cusymb%$cudom+ - $cucourseid%$cuname+ - $cucourseid%$cudom); + my $cunique=&recunique($fucourseid); + my $cpart=unpack("%32S*",$part); + if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2') { + + #&logthis("doing receipt2 using parts $cpart, uname $cuname and udom $cudom gets ".($cpart%$cuname)." and ".($cpart%$cudom)); + + $return.= ($cunique%$cuname+ + $cunique%$cudom+ + $cusymb%$cuname+ + $cusymb%$cudom+ + $cucourseid%$cuname+ + $cucourseid%$cudom+ + $cpart%$cuname+ + $cpart%$cudom); + } else { + $return.= ($cunique%$cuname+ + $cunique%$cudom+ + $cusymb%$cuname+ + $cusymb%$cudom+ + $cucourseid%$cuname+ + $cucourseid%$cudom); + } + return $return; } sub receipt { - my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); - return &ireceipt($name,$domain,$courseid,$symb); + my ($part)=@_; + my ($symb,$courseid,$domain,$name) = &whichuser(); + return &ireceipt($name,$domain,$courseid,$symb,$part); +} + +sub whichuser { + my ($passedsymb)=@_; + my ($symb,$courseid,$domain,$name,$publicuser); + if (defined($env{'form.grade_symb'})) { + my ($tmp_courseid)=&get_env_multiple('form.grade_courseid'); + my $allowed=&allowed('vgr',$tmp_courseid); + if (!$allowed && + exists($env{'request.course.sec'}) && + $env{'request.course.sec'} !~ /^\s*$/) { + $allowed=&allowed('vgr',$tmp_courseid. + '/'.$env{'request.course.sec'}); + } + if ($allowed) { + ($symb)=&get_env_multiple('form.grade_symb'); + $courseid=$tmp_courseid; + ($domain)=&get_env_multiple('form.grade_domain'); + ($name)=&get_env_multiple('form.grade_username'); + return ($symb,$courseid,$domain,$name,$publicuser); + } + } + if (!$passedsymb) { + $symb=&symbread(); + } else { + $symb=$passedsymb; + } + $courseid=$env{'request.course.id'}; + $domain=$env{'user.domain'}; + $name=$env{'user.name'}; + if ($name eq 'public' && $domain eq 'public') { + if (!defined($env{'form.username'})) { + $env{'form.username'}.=time.rand(10000000); + } + $name.=$env{'form.username'}; + } + return ($symb,$courseid,$domain,$name,$publicuser); + } # ------------------------------------------------------------ Serves up a file -# returns either the contents of the file or a -1 +# returns either the contents of the file or +# -1 if the file doesn't exist +# +# if the target is a file that was uploaded via DOCS, +# a check will be made to see if a current copy exists on the local server, +# if it does this will be served, otherwise a copy will be retrieved from +# the home server for the course and stored in /home/httpd/html/userfiles on +# the local server. + sub getfile { - my $file=shift; - if ($file=~/^\/*uploaded\//) { # user file + my ($file) = @_; + if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } + &repcopy($file); + return &readfile($file); +} + +sub repcopy_userfile { + my ($file)=@_; + if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } + if ($file =~ m|^/home/httpd/html/lonUsers/|) { return 'ok'; } + my ($cdom,$cnum,$filename) = + ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|); + my $uri="/uploaded/$cdom/$cnum/$filename"; + if (-e "$file") { +# we already have a local copy, check it out + my @fileinfo = stat($file); + my $rtncode; + my $info; + my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode); + if ($lwpresp ne 'ok') { +# there is no such file anymore, even though we had a local copy + if ($rtncode eq '404') { + unlink($file); + } + return -1; + } + if ($info < $fileinfo[9]) { +# nice, the file we have is up-to-date, just say okay + return 'ok'; + } else { +# the file is outdated, get rid of it + unlink($file); + } + } +# one way or the other, at this point, we don't have the file +# construct the correct path for the file + my @parts = ($cdom,$cnum); + if ($filename =~ m|^(.+)/[^/]+$|) { + push @parts, split(/\//,$1); + } + my $path = $perlvar{'lonDocRoot'}.'/userfiles'; + foreach my $part (@parts) { + $path .= '/'.$part; + if (!-e $path) { + mkdir($path,0770); + } + } +# now the path exists for sure +# get a user agent + my $ua=new LWP::UserAgent; + my $transferfile=$file.'.in.transfer'; +# FIXME: this should flock + if (-e $transferfile) { return 'ok'; } + my $request; + $uri=~s/^\///; + $request=new HTTP::Request('GET','http://'.&hostname(&homeserver($cnum,$cdom)).'/raw/'.$uri); + my $response=$ua->request($request,$transferfile); +# did it work? + if ($response->is_error()) { + unlink($transferfile); + &logthis("Userfile repcopy failed for $uri"); + return -1; + } +# worked, rename the transfer file + rename($transferfile,$file); + return 'ok'; +} + +sub tokenwrapper { + my $uri=shift; + $uri=~s|^http\://([^/]+)||; + $uri=~s|^/||; + $env{'user.environment'}=~/\/([^\/]+)\.id/; + my $token=$1; + my (undef,$udom,$uname,$file)=split('/',$uri,4); + if ($udom && $uname && $file) { + $file=~s|(\?\.*)*$||; + &appenv("userfile.$udom/$uname/$file" => $env{'request.course.id'}); + return 'http://'.&hostname(&homeserver($uname,$udom)).'/'.$uri. + (($uri=~/\?/)?'&':'?').'token='.$token. + '&tokenissued='.$perlvar{'lonHostID'}; + } else { + return '/adm/notfound.html'; + } +} + +# call with reqtype HEAD: get last modification time +# call with reqtype GET: get the file contents +# Do not call this with reqtype GET for large files! It loads everything into memory +# +sub getuploaded { + my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_; + $uri=~s/^\///; + $uri = 'http://'.&hostname(&homeserver($cnum,$cdom)).'/raw/'.$uri; my $ua=new LWP::UserAgent; - my $request=new HTTP::Request('GET',&tokenwrapper($file)); + my $request=new HTTP::Request($reqtype,$uri); my $response=$ua->request($request); - if ($response->is_success()) { - return $response->content; - } else { - return -1; - } - } else { # normal file from res space - &repcopy($file); - if (! -e $file ) { return -1; }; - my $fh=Apache::File->new($file); - my $a=''; - while (<$fh>) { $a .=$_; } - return $a; - } + $$rtncode = $response->code; + if (! $response->is_success()) { + return 'failed'; + } + if ($reqtype eq 'HEAD') { + $$info = &HTTP::Date::str2time( $response->header('Last-modified') ); + } elsif ($reqtype eq 'GET') { + $$info = $response->content; + } + return 'ok'; +} + +sub readfile { + my $file = shift; + if ( (! -e $file ) || ($file eq '') ) { return -1; }; + my $fh; + open($fh,"<$file"); + my $a=''; + while (my $line = <$fh>) { $a .= $line; } + return $a; } sub filelocation { - my ($dir,$file) = @_; - my $location; - $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces - if ($file=~m:^/~:) { # is a contruction space reference - $location = $file; - $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; - } elsif ($file=~/^\/*uploaded/) { # is an uploaded file - $location=$file; - } else { - $file=~s/^$perlvar{'lonDocRoot'}//; - $file=~s:^/*res::; - if ( !( $file =~ m:^/:) ) { - $location = $dir. '/'.$file; + my ($dir,$file) = @_; + my $location; + $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces + + if ($file =~ m-^/adm/-) { + $file=~s-^/adm/wrapper/-/-; + $file=~s-^/adm/coursedocs/showdoc/-/-; + } + + if ($file=~m:^/~:) { # is a contruction space reference + $location = $file; + $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; + } elsif ($file=~m{^/home/$match_username/public_html/}) { + # is a correct contruction space reference + $location = $file; + } elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file + my ($udom,$uname,$filename)= + ($file=~m -^/+(?:uploaded|editupload)/+($match_domain)/+($match_name)/+(.*)$-); + my $home=&homeserver($uname,$udom); + my $is_me=0; + my @ids=¤t_machine_ids(); + foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } } + if ($is_me) { + $location=&propath($udom,$uname). + '/userfiles/'.$filename; + } else { + $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. + $udom.'/'.$uname.'/'.$filename; + } + } elsif ($file =~ m-^/adm/-) { + $location = $perlvar{'lonDocRoot'}.'/'.$file; } else { - $location = '/home/httpd/html/res'.$file; + $file=~s/^\Q$perlvar{'lonDocRoot'}\E//; + $file=~s:^/res/:/:; + if ( !( $file =~ m:^/:) ) { + $location = $dir. '/'.$file; + } else { + $location = '/home/httpd/html/res'.$file; + } } - } - $location=~s://+:/:g; # remove duplicate / - while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/.. - return $location; + $location=~s://+:/:g; # remove duplicate / + while ($location=~m{/\.\./}) { + if ($location =~ m{/[^/]+/\.\./}) { + $location=~ s{/[^/]+/\.\./}{/}g; + } else { + $location=~ s{/\.\./}{/}g; + } + } #remove dir/.. + while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./ + return $location; } sub hreflocation { my ($dir,$file)=@_; - unless (($file=~/^http:\/\//i) || ($file=~/^\//)) { - my $finalpath=filelocation($dir,$file); - $finalpath=~s/^\/home\/httpd\/html//; - $finalpath=~s-/home/(\w+)/public_html/-/~$1/-; - return $finalpath; - } else { - return $file; + unless (($file=~m-^http://-i) || ($file=~m-^/-)) { + $file=filelocation($dir,$file); + } elsif ($file=~m-^/adm/-) { + $file=~s-^/adm/wrapper/-/-; + $file=~s-^/adm/coursedocs/showdoc/-/-; + } + if ($file=~m-^\Q$perlvar{'lonDocRoot'}\E-) { + $file=~s-^\Q$perlvar{'lonDocRoot'}\E--; + } elsif ($file=~m-/home/($match_username)/public_html/-) { + $file=~s-^/home/($match_username)/public_html/-/~$1/-; + } elsif ($file=~m-^\Q$perlvar{'lonUsersDir'}\E-) { + $file=~s-^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/ + -/uploaded/$1/$2/-x; + } + if ($file=~ m{^/userfiles/}) { + $file =~ s{^/userfiles/}{/uploaded/}; + } + return $file; +} + +sub current_machine_domains { + return &machine_domains(&hostname($perlvar{'lonHostID'})); +} + +sub machine_domains { + my ($hostname) = @_; + my @domains; + my %hostname = &all_hostnames(); + while( my($id, $name) = each(%hostname)) { +# &logthis("-$id-$name-$hostname-"); + if ($hostname eq $name) { + push(@domains,&host_domain($id)); + } + } + return @domains; +} + +sub current_machine_ids { + return &machine_ids(&hostname($perlvar{'lonHostID'})); +} + +sub machine_ids { + my ($hostname) = @_; + $hostname ||= &hostname($perlvar{'lonHostID'}); + my @ids; + my %name_to_host = &all_names(); + if (ref($name_to_host{$hostname}) eq 'ARRAY') { + return @{ $name_to_host{$hostname} }; + } + return; +} + +sub additional_machine_domains { + my @domains; + open(my $fh,"<$perlvar{'lonTabDir'}/expected_domains.tab"); + while( my $line = <$fh>) { + $line =~ s/\s//g; + push(@domains,$line); + } + return @domains; +} + +sub default_login_domain { + my $domain = $perlvar{'lonDefDomain'}; + my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0]; + foreach my $posdom (¤t_machine_domains(), + &additional_machine_domains()) { + if (lc($posdom) eq lc($testdomain)) { + $domain=$posdom; + last; + } } + return $domain; } # ------------------------------------------------------------- Declutters URLs sub declutter { my $thisfn=shift; - $thisfn=~s/^$perlvar{'lonDocRoot'}//; + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } + $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; $thisfn=~s/^\///; + $thisfn=~s|^adm/wrapper/||; + $thisfn=~s|^adm/coursedocs/showdoc/||; $thisfn=~s/^res\///; $thisfn=~s/\?.+$//; return $thisfn; @@ -4368,38 +8141,68 @@ sub declutter { sub clutter { my $thisfn='/'.&declutter(shift); - unless ($thisfn=~/^\/(uploaded|adm|userfiles|ext|raw|priv)\//) { + if ($thisfn !~ m{^/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)/} + || $thisfn =~ m{^/adm/(includes|pages)} ) { $thisfn='/res'.$thisfn; } + if ($thisfn !~m|/adm|) { + if ($thisfn =~ m|/ext/|) { + $thisfn='/adm/wrapper'.$thisfn; + } else { + my ($ext) = ($thisfn =~ /\.(\w+)$/); + my $embstyle=&Apache::loncommon::fileembstyle($ext); + if ($embstyle eq 'ssi' + || ($embstyle eq 'hdn') + || ($embstyle eq 'rat') + || ($embstyle eq 'prv') + || ($embstyle eq 'ign')) { + #do nothing with these + } elsif (($embstyle eq 'img') + || ($embstyle eq 'emb') + || ($embstyle eq 'wrp')) { + $thisfn='/adm/wrapper'.$thisfn; + } elsif ($embstyle eq 'unk' + && $thisfn!~/\.(sequence|page)$/) { + $thisfn='/adm/coursedocs/showdoc'.$thisfn; + } else { +# &logthis("Got a blank emb style"); + } + } + } return $thisfn; } -# -------------------------------------------------------- Escape Special Chars - -sub escape { - my $str=shift; - $str =~ s/(\W)/"%".unpack('H2',$1)/eg; - return $str; +sub clutter_with_no_wrapper { + my $uri = &clutter(shift); + if ($uri =~ m-^/adm/-) { + $uri =~ s-^/adm/wrapper/-/-; + $uri =~ s-^/adm/coursedocs/showdoc/-/-; + } + return $uri; } -# ----------------------------------------------------- Un-Escape Special Chars - -sub unescape { - my $str=shift; - $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - return $str; +sub freeze_escape { + my ($value)=@_; + if (ref($value)) { + $value=&nfreeze($value); + return '__FROZEN__'.&escape($value); + } + return &escape($value); } -sub mod_perl_version { - if (defined($perlvar{'MODPERL2'})) { - return 2; + +sub thaw_unescape { + my ($value)=@_; + if ($value =~ /^__FROZEN__/) { + substr($value,0,10,undef); + $value=&unescape($value); + return &thaw($value); } - return 1; + return &unescape($value); } sub correct_line_ends { my ($result)=@_; - &logthis("Wha $result"); $$result =~s/\r\n/\n/mg; $$result =~s/\r/\n/mg; } @@ -4407,148 +8210,396 @@ sub correct_line_ends { sub goodbye { &logthis("Starting Shut down"); -#not converted to using infrastruture - &logthis(sprintf("%-20s is %s",'%homecache',scalar(%homecache))); - &logthis(sprintf("%-20s is %s",'%badServerCache',scalar(%badServerCache))); - &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache))); +#not converted to using infrastruture and probably shouldn't be + &logthis(sprintf("%-20s is %s",'%badServerCache',length(&nfreeze(\%badServerCache)))); #converted - &logthis(sprintf("%-20s is %s",'%titlecache',scalar(%titlecache))); - &logthis(sprintf("%-20s is %s",'%courseresdatacache',scalar(%courseresdatacache))); +# &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache))); + &logthis(sprintf("%-20s is %s",'%homecache',length(&nfreeze(\%homecache)))); +# &logthis(sprintf("%-20s is %s",'%titlecache',length(&nfreeze(\%titlecache)))); +# &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&nfreeze(\%courseresdatacache)))); #1.1 only - &logthis(sprintf("%-20s is %s",'%userresdatacache',scalar(%userresdatacache))); - &logthis(sprintf("%-20s is %s",'%usectioncache',scalar(%usectioncache))); +# &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&nfreeze(\%userresdatacache)))); +# &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&nfreeze(\%getsectioncache)))); +# &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&nfreeze(\%courseresversioncache)))); +# &logthis(sprintf("%-20s is %s",'%resversioncache',length(&nfreeze(\%resversioncache)))); + &logthis(sprintf("%-20s is %s",'%remembered',length(&nfreeze(\%remembered)))); + &logthis(sprintf("%-20s is %s",'kicks',$kicks)); + &logthis(sprintf("%-20s is %s",'hits',$hits)); &flushcourselogs(); &logthis("Shutting down"); - return DONE; } -BEGIN { -# ----------------------------------- Read loncapa.conf and loncapa_apache.conf - unless ($readit) { -{ - my $config=Apache::File->new("/etc/httpd/conf/loncapa.conf"); - - while (my $configline=<$config>) { - if ($configline =~ /^[^\#]*PerlSetVar/) { - my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); - chomp($varvalue); - $perlvar{$varname}=$varvalue; - } +sub get_dns { + my ($url,$func,$ignore_cache) = @_; + if (!$ignore_cache) { + my ($content,$cached)= + &Apache::lonnet::is_cached_new('dns',$url); + if ($cached) { + &$func($content); + return; + } } + + my %alldns; + open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); + foreach my $dns (<$config>) { + next if ($dns !~ /^\^(\S*)/x); + $alldns{$1} = 1; + } + while (%alldns) { + my ($dns) = keys(%alldns); + delete($alldns{$dns}); + my $ua=new LWP::UserAgent; + my $request=new HTTP::Request('GET',"http://$dns$url"); + my $response=$ua->request($request); + next if ($response->is_error()); + my @content = split("\n",$response->content); + &Apache::lonnet::do_cache_new('dns',$url,\@content,30*24*60*60); + &$func(\@content); + return; + } + close($config); + my $which = (split('/',$url))[3]; + &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n"); + open($config,"<$perlvar{'lonTabDir'}/dns_$which.tab"); + my @content = <$config>; + &$func(\@content); + return; } +# ------------------------------------------------------------ Read domain file { - my $config=Apache::File->new("/etc/httpd/conf/loncapa_apache.conf"); + my $loaded; + my %domain; - while (my $configline=<$config>) { - if ($configline =~ /^[^\#]*PerlSetVar/) { - my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); - chomp($varvalue); - $perlvar{$varname}=$varvalue; - } + sub parse_domain_tab { + my ($lines) = @_; + foreach my $line (@$lines) { + next if ($line =~ /^(\#|\s*$ )/x); + + chomp($line); + my ($name,@elements) = split(/:/,$line,9); + my %this_domain; + foreach my $field ('description', 'auth_def', 'auth_arg_def', + 'lang_def', 'city', 'longi', 'lati', + 'primary') { + $this_domain{$field} = shift(@elements); + } + $domain{$name} = \%this_domain; + } } -} -# ------------------------------------------------------------ Read domain file -{ - my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. - '/domain.tab'); - %domaindescription = (); - %domain_auth_def = (); - %domain_auth_arg_def = (); - if ($fh) { - while (<$fh>) { - next if (/^(\#|\s*$)/); -# next if /^\#/; - chomp; - my ($domain, $domain_description, $def_auth, $def_auth_arg, - $def_lang, $city, $longi, $lati) = split(/:/,$_); - $domain_auth_def{$domain}=$def_auth; - $domain_auth_arg_def{$domain}=$def_auth_arg; - $domaindescription{$domain}=$domain_description; - $domain_lang_def{$domain}=$def_lang; - $domain_city{$domain}=$city; - $domain_longi{$domain}=$longi; - $domain_lati{$domain}=$lati; + sub reset_domain_info { + undef($loaded); + undef(%domain); + } -# &logthis("Domain.tab: $domain, $domain_auth_def{$domain}, $domain_auth_arg_def{$domain},$domaindescription{$domain}"); -# &logthis("Domain.tab: $domain ".$domaindescription{$domain} ); - } + sub load_domain_tab { + my ($ignore_cache) = @_; + &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache); + my $fh; + if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) { + my @lines = <$fh>; + &parse_domain_tab(\@lines); + } + close($fh); + $loaded = 1; + } + + sub domain { + &load_domain_tab() if (!$loaded); + + my ($name,$what) = @_; + return if ( !exists($domain{$name}) ); + + if (!$what) { + return $domain{$name}{'description'}; + } + return $domain{$name}{$what}; } } # ------------------------------------------------------------- Read hosts file { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/hosts.tab"); + my %hostname; + my %hostdom; + my %libserv; + my $loaded; + my %name_to_host; + + sub parse_hosts_tab { + my ($file) = @_; + foreach my $configline (@$file) { + next if ($configline =~ /^(\#|\s*$ )/x); + next if ($configline =~ /^\^/); + chomp($configline); + my ($id,$domain,$role,$name)=split(/:/,$configline); + $name=~s/\s//g; + if ($id && $domain && $role && $name) { + $hostname{$id}=$name; + push(@{$name_to_host{$name}}, $id); + $hostdom{$id}=$domain; + if ($role eq 'library') { $libserv{$id}=$name; } + } + } + } + + sub reset_hosts_info { + &purge_remembered(); + &reset_domain_info(); + &reset_hosts_ip_info(); + undef(%name_to_host); + undef(%hostname); + undef(%hostdom); + undef(%libserv); + undef($loaded); + } - while (my $configline=<$config>) { - next if ($configline =~ /^(\#|\s*$)/); - chomp($configline); - my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline); - if ($id && $domain && $role && $name && $ip) { - $hostname{$id}=$name; - $hostdom{$id}=$domain; - $hostip{$id}=$ip; - $iphost{$ip}=$id; - if ($role eq 'library') { $libserv{$id}=$name; } - } else { - if ($configline) { - &logthis("Skipping hosts.tab line -$configline-"); - } - } + sub load_hosts_tab { + my ($ignore_cache) = @_; + &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache); + open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); + my @config = <$config>; + &parse_hosts_tab(\@config); + close($config); + $loaded=1; + } + + sub hostname { + &load_hosts_tab() if (!$loaded); + + my ($lonid) = @_; + return $hostname{$lonid}; + } + + sub all_hostnames { + &load_hosts_tab() if (!$loaded); + + return %hostname; + } + + sub all_names { + &load_hosts_tab() if (!$loaded); + + return %name_to_host; + } + + sub is_library { + &load_hosts_tab() if (!$loaded); + + return exists($libserv{$_[0]}); + } + + sub all_library { + &load_hosts_tab() if (!$loaded); + + return %libserv; + } + + sub get_servers { + &load_hosts_tab() if (!$loaded); + + my ($domain,$type) = @_; + my %possible_hosts = ($type eq 'library') ? %libserv + : %hostname; + my %result; + if (ref($domain) eq 'ARRAY') { + while ( my ($host,$hostname) = each(%possible_hosts)) { + if (grep(/^\Q$hostdom{$host}\E$/,@$domain)) { + $result{$host} = $hostname; + } + } + } else { + while ( my ($host,$hostname) = each(%possible_hosts)) { + if ($hostdom{$host} eq $domain) { + $result{$host} = $hostname; + } + } + } + return %result; + } + + sub host_domain { + &load_hosts_tab() if (!$loaded); + + my ($lonid) = @_; + return $hostdom{$lonid}; + } + + sub all_domains { + &load_hosts_tab() if (!$loaded); + + my %seen; + my @uniq = grep(!$seen{$_}++, values(%hostdom)); + return @uniq; } } +{ + my %iphost; + my %name_to_ip; + my %lonid_to_ip; + + sub get_hosts_from_ip { + my ($ip) = @_; + my %iphosts = &get_iphost(); + if (ref($iphosts{$ip})) { + return @{$iphosts{$ip}}; + } + return; + } + + sub reset_hosts_ip_info { + undef(%iphost); + undef(%name_to_ip); + undef(%lonid_to_ip); + } + + sub get_host_ip { + my ($lonid) = @_; + if (exists($lonid_to_ip{$lonid})) { + return $lonid_to_ip{$lonid}; + } + my $name=&hostname($lonid); + my $ip = gethostbyname($name); + return if (!$ip || length($ip) ne 4); + $ip=inet_ntoa($ip); + $name_to_ip{$name} = $ip; + $lonid_to_ip{$lonid} = $ip; + return $ip; + } + + sub get_iphost { + my ($ignore_cache) = @_; + + if (!$ignore_cache) { + if (%iphost) { + return %iphost; + } + my ($ip_info,$cached)= + &Apache::lonnet::is_cached_new('iphost','iphost'); + if ($cached) { + %iphost = %{$ip_info->[0]}; + %name_to_ip = %{$ip_info->[1]}; + %lonid_to_ip = %{$ip_info->[2]}; + return %iphost; + } + } + + # get yesterday's info for fallback + my %old_name_to_ip; + my ($ip_info,$cached)= + &Apache::lonnet::is_cached_new('iphost','iphost'); + if ($cached) { + %old_name_to_ip = %{$ip_info->[1]}; + } + + my %name_to_host = &all_names(); + foreach my $name (keys(%name_to_host)) { + my $ip; + if (!exists($name_to_ip{$name})) { + $ip = gethostbyname($name); + if (!$ip || length($ip) ne 4) { + if (defined($old_name_to_ip{$name})) { + $ip = $old_name_to_ip{$name}; + &logthis("Can't find $name defaulting to old $ip"); + } else { + &logthis("Name $name no IP found"); + next; + } + } else { + $ip=inet_ntoa($ip); + } + $name_to_ip{$name} = $ip; + } else { + $ip = $name_to_ip{$name}; + } + foreach my $id (@{ $name_to_host{$name} }) { + $lonid_to_ip{$id} = $ip; + } + push(@{$iphost{$ip}},@{$name_to_host{$name}}); + } + &Apache::lonnet::do_cache_new('iphost','iphost', + [\%iphost,\%name_to_ip,\%lonid_to_ip], + 48*60*60); + + return %iphost; + } +} + +BEGIN { + +# ----------------------------------- Read loncapa.conf and loncapa_apache.conf + unless ($readit) { +{ + my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf'); + %perlvar = (%perlvar,%{$configvars}); +} + + # ------------------------------------------------------ Read spare server file { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/spare.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/spare.tab"); while (my $configline=<$config>) { chomp($configline); if ($configline) { - $spareid{$configline}=1; + my ($host,$type) = split(':',$configline,2); + if (!defined($type) || $type eq '') { $type = 'default' }; + push(@{ $spareid{$type} }, $host); } } + close($config); } # ------------------------------------------------------------ Read permissions { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/roles.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/roles.tab"); while (my $configline=<$config>) { - chomp($configline); - if ($configline) { - my ($role,$perm)=split(/ /,$configline); - if ($perm ne '') { $pr{$role}=$perm; } - } + chomp($configline); + if ($configline) { + my ($role,$perm)=split(/ /,$configline); + if ($perm ne '') { $pr{$role}=$perm; } + } } + close($config); } # -------------------------------------------- Read plain texts for permissions { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/rolesplain.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/rolesplain.tab"); while (my $configline=<$config>) { - chomp($configline); - if ($configline) { - my ($short,$plain)=split(/:/,$configline); - if ($plain ne '') { $prp{$short}=$plain; } - } + chomp($configline); + if ($configline) { + my ($short,@plain)=split(/:/,$configline); + %{$prp{$short}} = (); + if (@plain > 0) { + $prp{$short}{'std'} = $plain[0]; + for (my $i=1; $i<@plain; $i++) { + $prp{$short}{'alt'.$i} = $plain[$i]; + } + } + } } + close($config); } # ---------------------------------------------------------- Read package table { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/packages.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/packages.tab"); while (my $configline=<$config>) { - chomp($configline); - my ($short,$plain)=split(/:/,$configline); - my ($pack,$name)=split(/\&/,$short); - if ($plain ne '') { - $packagetab{$pack.'&'.$name.'&name'}=$name; - $packagetab{$short}=$plain; - } + if ($configline !~ /\S/ || $configline=~/^#/) { next; } + chomp($configline); + my ($short,$plain)=split(/:/,$configline); + my ($pack,$name)=split(/\&/,$short); + if ($plain ne '') { + $packagetab{$pack.'&'.$name.'&name'}=$name; + $packagetab{$short}=$plain; + } } + close($config); } # ------------- set up temporary directory @@ -4557,14 +8608,22 @@ BEGIN { } -%metacache=(); +$memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'], + 'compress_threshold'=> 20_000, + }); $processmarker='_'.time.'_'.$perlvar{'lonHostID'}; $dumpcount=0; &logtouch(); -&logthis('INFO: Read configuration'); +&logthis('INFO: Read configuration'); $readit=1; + { + use integer; + my $test=(2**32)+1; + if ($test != 0) { $_64bit=1; } else { $_64bit=0; } + &logthis(" Detected 64bit platform ($_64bit)"); + } } } @@ -4739,14 +8798,21 @@ that was requested X B: the value of %hash is written to the user envirnoment file, and will be restored for each access this -user makes during this session, also modifies the %ENV for the current +user makes during this session, also modifies the %env for the current process =item * X B: removes all items from the session environment file that matches the regular expression in $regexp. The -values are also delted from the current processes %ENV. +values are also delted from the current processes %env. + +=item * get_env_multiple($name) + +gets $name from the %env hash, it seemlessly handles the cases where multiple +values may be defined and end up as an array ref. + +returns an array of values =back @@ -4792,8 +8858,8 @@ X B: get user privileges =item * -X -B: finds the section of student in the +X +B: finds the section of student in the course $cname, return section name/number or '' for "not in course" and '-1' for "no section" @@ -4802,6 +8868,16 @@ X B: gets the values of the keys passed in @what from the requested user's environment, returns a hash +=item * +X +B: retrieves data from a user's +activity.log file. %filters defines filters applied when parsing the +log file. These can be start or end timestamps, or the type of action +- log to look for Login or Logout events, check for Checkin or +Checkout, role for role selection. The response is in the form +timestamp1:hostid1:event1×tamp2:hostid2:event2 where events are +escaped strings of the action recorded in the activity.log file. + =back =head2 User Roles @@ -4810,13 +8886,13 @@ passed in @what from the requested user' =item * -allowed($priv,$uri) : check for a user privilege; returns codes for allowed -actions +allowed($priv,$uri,$symb,$role) : check for a user privilege; returns codes for allowed actions F: full access U,I,K: authentication modes (cxx only) '': forbidden 1: user needs to choose course 2: browse allowed + A: passphrase authentication needed =item * @@ -4829,6 +8905,22 @@ and course level plaintext($short) : return value in %prp hash (rolesplain.tab); plain text explanation of a user role term +=item * + +get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec) : +All arguments are optional. Returns a hash of a roles, either for +co-author/assistant author roles for a user's Construction Space +(default), or if $context is 'userroles', roles for the user himself, +In the hash, keys are set to colon-separated $uname,$udom,$role, and +(optionally) if $withsec is true, a fourth colon-separated item - $section. +For each key, value is set to colon-separated start and end times for +the role. If no username and domain are specified, will default to +current user/domain. Types, roles, and roledoms are references to arrays +of role statuses (active, future or previous), roles +(e.g., cc,in, st etc.) and domains of the roles which can be used +to restrict the list of roles reported. If no array ref is +provided for types, will default to return only active roles. + =back =head2 User Modification @@ -4959,13 +9051,25 @@ revokecustomrole($udom,$uname,$url,$role =item * -coursedescription($courseid) : course description +coursedescription($courseid) : returns a hash of information about the +specified course id, including all environment settings for the +course, the description of the course will be in the hash under the +key 'description' =item * -courseresdata($coursenum,$coursedomain,@which) : request for current -parameter setting for a specific course, @what should be a list of -parameters to ask about. This routine caches answers for 5 minutes. +resdata($name,$domain,$type,@which) : request for current parameter +setting for a specific $type, where $type is either 'course' or 'user', +@what should be a list of parameters to ask about. This routine caches +answers for 5 minutes. + +=item * + +get_courseresdata($courseid, $domain) : dump the entire course resource +data base, returning a hash that is keyed by the resource name and has +values that are the resource value. I believe that the timestamps and +versions are also returned. + =back @@ -4996,8 +9100,8 @@ subscribe($fname) : subscribe to a resou repcopy($filename) : subscribes to the requested file, and attempts to replicate from the owning library server, Might return -HTTP_SERVICE_UNAVAILABLE, HTTP_NOT_FOUND, FORBIDDEN, OK, or -HTTP_BAD_REQUEST, also attempts to grab the metadata for the +'unavailable', 'not_found', 'forbidden', 'ok', or +'bad_request', also attempts to grab the metadata for the resource. Expects the local filesystem pathname (/home/httpd/html/res/....) @@ -5051,9 +9155,10 @@ returns the data handle =item * symbverify($symb,$thisfn) : verifies that $symb actually exists and is -a possible symb for the URL in $thisfn, returns a 1 on success, 0 on -failure, user must be in a course, as it assumes the existance of the -course initi hash, and uses $ENV('request.course.id'} +a possible symb for the URL in $thisfn, and if is an encryypted +resource that the user accessed using /enc/ returns a 1 on success, 0 +on failure, user must be in a course, as it assumes the existance of +the course initial hash, and uses $env('request.course.id'} =item * @@ -5084,7 +9189,7 @@ unfakeable, receipt =item * -receipt() : API to ireceipt working off of ENV values; given out to users +receipt() : API to ireceipt working off of env values; given out to users =item * @@ -5118,7 +9223,7 @@ forcing spreadsheet to reevaluate the re store($storehash,$symb,$namespace,$udom,$uname) : stores hash permanently for this url; hashref needs to be given and should be a \%hashname; the remaining args aren't required and if they aren't passed or are '' they will -be derived from the ENV +be derived from the env =item * @@ -5132,6 +9237,27 @@ all args are optional =item * +dumpstore($namespace,$udom,$uname,$regexp,$range) : +dumps the complete (or key matching regexp) namespace into a hash +($udom, $uname, $regexp, $range are optional) for a namespace that is +normally &store()ed into + +$range should be either an integer '100' (give me the first 100 + matching records) + or be two integers sperated by a - with no spaces + '30-50' (give me the 30th through the 50th matching + records) + + +=item * + +putstore($namespace,$symb,$version,$storehash,$udomain,$uname) : +replaces a &store() version of data with a replacement set of data +for a particular resource in a namespace passed in the $storehash hash +reference + +=item * + tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that works very similar to store/cstore, but all data is stored in a temporary location and can be reset using tmpreset, $storehash should @@ -5161,9 +9287,22 @@ namesp ($udom and $uname are optional) =item * -dump($namespace,$udom,$uname,$regexp) : +dump($namespace,$udom,$uname,$regexp,$range) : dumps the complete (or key matching regexp) namespace into a hash -($udom, $uname and $regexp are optional) +($udom, $uname, $regexp, $range are optional) + +$range should be either an integer '100' (give me the first 100 + matching records) + or be two integers sperated by a - with no spaces + '30-50' (give me the 30th through the 50th matching + records) +=item * + +inc($namespace,$store,$udom,$uname) : increments $store in $namespace. +$store can be a scalar, an array reference, or if the amount to be +incremented is > 1, a hash reference. + +($udom and $uname are optional) =item * @@ -5177,6 +9316,31 @@ cput($namespace,$storehash,$udom,$uname) =item * +newput($namespace,$storehash,$udom,$uname) : + +Attempts to store the items in the $storehash, but only if they don't +currently exist, if this succeeds you can be certain that you have +successfully created a new key value pair in the $namespace db. + + +Args: + $namespace: name of database to store values to + $storehash: hashref to store to the db + $udom: (optional) domain of user containing the db + $uname: (optional) name of user caontaining the db + +Returns: + 'ok' -> succeeded in storing all keys of $storehash + 'key_exists: ' -> failed to anything out of $storehash, as at + least already existed in the db (other + requested keys may also already exist) + 'error: ' -> unable to tie the DB or other erorr occured + 'con_lost' -> unable to contact request server + 'refused' -> action was not allowed by remote machine + + +=item * + eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array reference filled in from namesp (encrypts the return communication) ($udom and $uname are optional) @@ -5186,6 +9350,18 @@ reference filled in from namesp (encrypt log($udom,$name,$home,$message) : write to permanent log for user; use critical subroutine +=item * + +get_dom($namespace,$storearr,$udom,$uhome) : returns hash with keys from +array reference filled in from namespace found in domain level on either +specified domain server ($uhome) or primary domain server ($udom and $uhome are optional). + +=item * + +put_dom($namespace,$storehash,$udom,$uhome) : stores hash in namespace at +domain level either on specified domain server ($uhome) or primary domain +server ($udom and $uhome are optional) + =back =head2 Network Status Functions @@ -5277,8 +9453,39 @@ messages of critical importance should g =item * -getfile($file) : returns the entire contents of a file or -1; it -properly subscribes to and replicates the file if neccessary. +getfile($file,$caller) : two cases - requests for files in /res or in /uploaded. +(a) files in /uploaded + (i) If a local copy of the file exists - + compares modification date of local copy with last-modified date for + definitive version stored on home server for course. If local copy is + stale, requests a new version from the home server and stores it. + If the original has been removed from the home server, then local copy + is unlinked. + (ii) If local copy does not exist - + requests the file from the home server and stores it. + + If $caller is 'uploadrep': + This indicates a call from lonuploadrep.pm (PerlHeaderParserHandler phase) + for request for files originally uploaded via DOCS. + - returns 'ok' if fresh local copy now available, -1 otherwise. + + Otherwise: + This indicates a call from the content generation phase of the request. + - returns the entire contents of the file or -1. + +(b) files in /res + - returns the entire contents of a file or -1; + it properly subscribes to and replicates the file if neccessary. + + +=item * + +stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file + reference + +returns either a stat() list of data about the file or an empty list +if the file doesn't exist or couldn't find out about it (connection +problems or user unknown) =item * @@ -5298,6 +9505,178 @@ declutter() : declutters URLs (remove do =back +=head2 Usererfile file routines (/uploaded*) + +=over 4 + +=item * + +userfileupload(): main rotine for putting a file in a user or course's + filespace, arguments are, + + formname - required - this is the name of the element in $env where the + filename, and the contents of the file to create/modifed exist + the filename is in $env{'form.'.$formname.'.filename'} and the + contents of the file is located in $env{'form.'.$formname} + coursedoc - if true, store the file in the course of the active role + of the current user + subdir - required - subdirectory to put the file in under ../userfiles/ + if undefined, it will be placed in "unknown" + + (This routine calls clean_filename() to remove any dangerous + characters from the filename, and then calls finuserfileupload() to + complete the transaction) + + returns either the url of the uploaded file (/uploaded/....) if successful + and /adm/notfound.html if unsuccessful + +=item * + +clean_filename(): routine for cleaing a filename up for storage in + userfile space, argument is: + + filename - proposed filename + +returns: the new clean filename + +=item * + +finishuserfileupload(): routine that creaes and sends the file to +userspace, probably shouldn't be called directly + + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + formname: same as for userfileupload() + fname: filename (inculding subdirectories) for the file + + returns either the url of the uploaded file (/uploaded/....) if successful + and /adm/notfound.html if unsuccessful + +=item * + +renameuserfile(): renames an existing userfile to a new name + + Args: + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + old: current file name (including any subdirs under userfiles) + new: desired file name (including any subdirs under userfiles) + +=item * + +mkdiruserfile(): creates a directory is a userfiles dir + + Args: + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + dir: dir to create (including any subdirs under userfiles) + +=item * + +removeuserfile(): removes a file that exists in userfiles + + Args: + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + fname: filname to delete (including any subdirs under userfiles) + +=item * + +removeuploadedurl(): convience function for removeuserfile() + + Args: + url: a full /uploaded/... url to delete + +=item * + +get_portfile_permissions(): + Args: + domain: domain of user or course contain the portfolio files + user: name of user or num of course contain the portfolio files + Returns: + hashref of a dump of the proper file_permissions.db + + +=item * + +get_access_controls(): + +Args: + current_permissions: the hash ref returned from get_portfile_permissions() + group: (optional) the group you want the files associated with + file: (optional) the file you want access info on + +Returns: + a hash (keys are file names) of hashes containing + keys are: path to file/file_name\0uniqueID:scope_end_start (see below) + values are XML containing access control settings (see below) + +Internal notes: + + access controls are stored in file_permissions.db as key=value pairs. + key -> path to file/file_name\0uniqueID:scope_end_start + where scope -> public,guest,course,group,domains or users. + end -> UNIX time for end of access (0 -> no end date) + start -> UNIX time for start of access + + value -> XML description of access control + (type =1 of: public,guest,course,group,domains,users"> + + + + for scope type = guest + + for scope type = course or group + + + + +
+ + + + for scope type = domains + + for scope type = users + + + + + + + + Access data is also aggregated for each file in an additional key=value pair: + key -> path to file/file_name\0accesscontrol + value -> reference to hash + hash contains key = value pairs + where key = uniqueID:scope_end_start + value = UNIX time record was last updated + + Used to improve speed of look-ups of access controls for each file. + + Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays. + +modify_access_controls(): + +Modifies access controls for a portfolio file +Args +1. file name +2. reference to hash of required changes, +3. domain +4. username + where domain,username are the domain of the portfolio owner + (either a user or a course) + +Returns: +1. result of additions or updates ('ok' or 'error', with error message). +2. result of deletions ('ok' or 'error', with error message). +3. reference to hash of any new or updated access controls. +4. reference to hash used to map incoming IDs to uniqueIDs assigned to control. + key = integer (inbound ID) + value = uniqueID + +=back + =head2 HTTP Helper Routines =over 4 @@ -5374,3 +9753,4 @@ symblist($mapname,%newhash) : update sym =back =cut + 500 Internal Server Error

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