--- loncom/lonnet/perl/lonnet.pm 2011/05/14 17:16:49 1.1056.4.25 +++ loncom/lonnet/perl/lonnet.pm 2019/08/19 17:57:03 1.1172.2.112 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.1056.4.25 2011/05/14 17:16:49 raeburn Exp $ +# $Id: lonnet.pm,v 1.1172.2.112 2019/08/19 17:57:03 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -74,9 +74,11 @@ use strict; use LWP::UserAgent(); use HTTP::Date; use Image::Magick; +use CGI::Cookie; -use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir - $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease); +use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $deftex + $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease + %managerstab); my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash, %userrolehash, $processmarker, $dumpcount, %coursedombuf, @@ -88,55 +90,61 @@ use GDBM_File; use HTML::LCParser; use Fcntl qw(:flock); use Storable qw(thaw nfreeze); -use Time::HiRes qw( gettimeofday tv_interval ); +use Time::HiRes qw( sleep gettimeofday tv_interval ); use Cache::Memcached; use Digest::MD5; use Math::Random; use File::MMagic; use LONCAPA qw(:DEFAULT :match); use LONCAPA::Configuration; +use LONCAPA::lonmetadata; +use LONCAPA::Lond; +use LONCAPA::transliterate; + use File::Copy; my $readit; -my $max_connection_retries = 10; # Or some such value. +my $max_connection_retries = 20; # Or some such value. require Exporter; our @ISA = qw (Exporter); our @EXPORT = qw(%env); - -# --------------------------------------------------------------------- Logging +# ------------------------------------ Logging (parameters, docs, slots, roles) { my $logid; - sub instructor_log { - my ($hash_name,$storehash,$delflag,$uname,$udom,$cnum,$cdom)=@_; - if (($cnum eq '') || ($cdom eq '')) { - $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; - $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + sub write_log { + my ($context,$hash_name,$storehash,$delflag,$uname,$udom,$cnum,$cdom)=@_; + if ($context eq 'course') { + if (($cnum eq '') || ($cdom eq '')) { + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + } } - $logid++; + $logid ++; my $now = time(); my $id=$now.'00000'.$$.'00000'.$logid; - return &Apache::lonnet::put('nohist_'.$hash_name, - { $id => { - 'exe_uname' => $env{'user.name'}, - 'exe_udom' => $env{'user.domain'}, - 'exe_time' => $now, - 'exe_ip' => $ENV{'REMOTE_ADDR'}, - 'delflag' => $delflag, - 'logentry' => $storehash, - 'uname' => $uname, - 'udom' => $udom, - } - },$cdom,$cnum); + my $logentry = { + $id => { + 'exe_uname' => $env{'user.name'}, + 'exe_udom' => $env{'user.domain'}, + 'exe_time' => $now, + 'exe_ip' => $ENV{'REMOTE_ADDR'}, + 'delflag' => $delflag, + 'logentry' => $storehash, + 'uname' => $uname, + 'udom' => $udom, + } + }; + return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum); } } sub logtouch { my $execdir=$perlvar{'lonDaemons'}; unless (-e "$execdir/logs/lonnet.log") { - open(my $fh,">>$execdir/logs/lonnet.log"); + open(my $fh,">>","$execdir/logs/lonnet.log"); close $fh; } my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3]; @@ -148,7 +156,7 @@ sub logthis { my $execdir=$perlvar{'lonDaemons'}; my $now=time; my $local=localtime($now); - if (open(my $fh,">>$execdir/logs/lonnet.log")) { + if (open(my $fh,">>","$execdir/logs/lonnet.log")) { my $logstring = $local. " ($$): ".$message."\n"; # Keep any \'s in string. print $fh $logstring; close($fh); @@ -161,7 +169,7 @@ sub logperm { my $execdir=$perlvar{'lonDaemons'}; my $now=time; my $local=localtime($now); - if (open(my $fh,">>$execdir/logs/lonnet.perm.log")) { + if (open(my $fh,">>","$execdir/logs/lonnet.perm.log")) { print $fh "$now:$message:$local\n"; close($fh); } @@ -287,7 +295,7 @@ sub get_server_homeID { } my $cachetime = 12*3600; my $serverhomeID; - if ($caller eq 'loncron') { + if ($caller eq 'loncron') { my @machine_ids = &machine_ids($hostname); foreach my $id (@machine_ids) { my $response = &reply('serverhomeID',$id); @@ -305,6 +313,54 @@ sub get_server_homeID { return &do_cache_new('serverhomeID',$hostname,$serverhomeID,$cachetime); } +sub get_remote_globals { + my ($lonhost,$whathash,$ignore_cache) = @_; + my ($result,%returnhash,%whatneeded); + if (ref($whathash) eq 'HASH') { + foreach my $what (sort(keys(%{$whathash}))) { + my $hashid = $lonhost.'-'.$what; + my ($response,$cached); + unless ($ignore_cache) { + ($response,$cached)=&is_cached_new('lonnetglobal',$hashid); + } + if (defined($cached)) { + $returnhash{$what} = $response; + } else { + $whatneeded{$what} = 1; + } + } + if (keys(%whatneeded) == 0) { + $result = 'ok'; + } else { + my $requested = &freeze_escape(\%whatneeded); + my $rep=&reply('readlonnetglobal:'.$requested,$lonhost); + if (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') || + ($rep eq 'unknown_cmd')) { + $result = $rep; + } else { + $result = 'ok'; + my @pairs=split(/\&/,$rep); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + my $what = &unescape($key); + my $hashid = $lonhost.'-'.$what; + $returnhash{$what}=&thaw_unescape($value); + &do_cache_new('lonnetglobal',$hashid,$returnhash{$what},600); + } + } + } + } + return ($result,\%returnhash); +} + +sub remote_devalidate_cache { + my ($lonhost,$cachekeys) = @_; + my $items; + return unless (ref($cachekeys) eq 'ARRAY'); + my $cachestr = join('&',@{$cachekeys}); + return &reply('devalidatecache:'.&escape($cachestr),$lonhost); +} + # -------------------------------------------------- Non-critical communication sub subreply { my ($cmd,$server)=@_; @@ -316,7 +372,7 @@ sub subreply { my $lockfile=$peerfile.".lock"; while (-e $lockfile) { # Need to wait for the lockfile to disappear. - sleep(1); + sleep(0.1); } # At this point, either a loncnew parent is listening or an old lonc # or loncnew child is listening so we can connect or everything's dead. @@ -334,7 +390,7 @@ sub subreply { } else { &create_connection(&hostname($server),$server); } - sleep(1); # Try again later if failed connection. + sleep(0.1); # Try again later if failed connection. } my $answer; if ($client) { @@ -353,8 +409,26 @@ sub reply { unless (defined(&hostname($server))) { return 'no_such_host'; } my $answer=subreply($cmd,$server); if (($answer=~/^refused/) || ($answer=~/^rejected/)) { - &logthis("WARNING:". - " $cmd to $server returned $answer"); + my $logged = $cmd; + if ($cmd =~ /^encrypt:([^:]+):/) { + my $subcmd = $1; + if (($subcmd eq 'auth') || ($subcmd eq 'passwd') || + ($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') || + ($subcmd eq 'putdom') || ($subcmd eq 'autoexportgrades')) { + (undef,undef,my @rest) = split(/:/,$cmd); + if (($subcmd eq 'auth') || ($subcmd eq 'putdom')) { + splice(@rest,2,1,'Hidden'); + } elsif ($subcmd eq 'passwd') { + splice(@rest,2,2,('Hidden','Hidden')); + } elsif (($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') || + ($subcmd eq 'autoexportgrades')) { + splice(@rest,3,1,'Hidden'); + } + $logged = join(':',('encrypt:'.$subcmd,@rest)); + } + } + &logthis("WARNING:". + " $logged to $server returned $answer"); } return $answer; } @@ -363,8 +437,8 @@ sub reply { sub reconlonc { my ($lonid) = @_; - my $hostname = &hostname($lonid); if ($lonid) { + my $hostname = &hostname($lonid); my $peerfile="$perlvar{'lonSockDir'}/$hostname"; if ($hostname && -e $peerfile) { &logthis("Trying to reconnect lonc for $lonid ($hostname)"); @@ -382,7 +456,7 @@ sub reconlonc { &logthis("Trying to reconnect lonc"); my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; - if (open(my $fh,"<$loncfile")) { + if (open(my $fh,"<",$loncfile)) { my $loncpid=<$fh>; chomp($loncpid); if (kill 0 => $loncpid) { @@ -410,7 +484,7 @@ sub critical { } my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { - &reconlonc("$perlvar{'lonSockDir'}/$server"); + &reconlonc($server); my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { my $now=time; @@ -422,16 +496,16 @@ sub critical { $dumpcount++; { my $dfh; - if (open($dfh,">$dfilename")) { + if (open($dfh,">",$dfilename)) { print $dfh "$cmd\n"; close($dfh); } } - sleep 2; + sleep 1; my $wcmd=''; { my $dfh; - if (open($dfh,"<$dfilename")) { + if (open($dfh,"<",$dfilename)) { $wcmd=<$dfh>; close($dfh); } @@ -547,14 +621,52 @@ sub transfer_profile_to_env { # ---------------------------------------------------- Check for valid session sub check_for_valid_session { - my ($r) = @_; + my ($r,$name,$userhashref,$domref) = @_; my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); - my $lonid=$cookies{'lonID'}; + my ($lonidsdir,$linkname,$pubname,$secure,$lonid); + if ($name eq 'lonDAV') { + $lonidsdir=$r->dir_config('lonDAVsessDir'); + } else { + $lonidsdir=$r->dir_config('lonIDsDir'); + if ($name eq '') { + $name = 'lonID'; + } + } + if ($name eq 'lonID') { + $secure = 'lonSID'; + $linkname = 'lonLinkID'; + $pubname = 'lonPubID'; + if (exists($cookies{$secure})) { + $lonid=$cookies{$secure}; + } elsif (exists($cookies{$name})) { + $lonid=$cookies{$name}; + } elsif ((exists($cookies{$linkname})) && ($ENV{'SERVER_PORT'} != 443)) { + $lonid=$cookies{$linkname}; + } elsif (exists($cookies{$pubname})) { + $lonid=$cookies{$pubname}; + } + } else { + $lonid=$cookies{$name}; + } return undef if (!$lonid); my $handle=&LONCAPA::clean_handle($lonid->value); - my $lonidsdir=$r->dir_config('lonIDsDir'); - return undef if (!-e "$lonidsdir/$handle.id"); + if (-l "$lonidsdir/$handle.id") { + my $link = readlink("$lonidsdir/$handle.id"); + if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) { + $handle = $1; + } + } + if (!-e "$lonidsdir/$handle.id") { + if ((ref($domref)) && ($name eq 'lonID') && + ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) { + my ($possuname,$possudom,$possuhome) = ($1,$2,$3); + if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) { + $$domref = $possudom; + } + } + return undef; + } my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); return undef if (!$opened); @@ -568,8 +680,16 @@ sub check_for_valid_session { if (!defined($disk_env{'user.name'}) || !defined($disk_env{'user.domain'})) { + untie(%disk_env); return undef; } + + if (ref($userhashref) eq 'HASH') { + $userhashref->{'name'} = $disk_env{'user.name'}; + $userhashref->{'domain'} = $disk_env{'user.domain'}; + } + untie(%disk_env); + return $handle; } @@ -593,6 +713,37 @@ sub timed_flock { } } +sub get_sessionfile_vars { + my ($handle,$lonidsdir,$storearr) = @_; + my %returnhash; + unless (ref($storearr) eq 'ARRAY') { + return %returnhash; + } + if (-l "$lonidsdir/$handle.id") { + my $link = readlink("$lonidsdir/$handle.id"); + if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) { + $handle = $1; + } + } + if ((-e "$lonidsdir/$handle.id") && + ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) { + my ($possuname,$possudom,$possuhome) = ($1,$2,$3); + if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) { + if (open(my $idf,'+<',"$lonidsdir/$handle.id")) { + flock($idf,LOCK_SH); + if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id", + &GDBM_READER(),0640)) { + foreach my $item (@{$storearr}) { + $returnhash{$item} = $disk_env{$item}; + } + untie(%disk_env); + } + } + } + } + return %returnhash; +} + # ---------------------------------------------------------- Append Environment sub appenv { @@ -603,7 +754,7 @@ sub appenv { if (($key =~ /^user\.role/) || ($key =~ /^user\.priv/)) { $refused = 1; if (ref($roles) eq 'ARRAY') { - my ($type,$role) = ($key =~ /^user\.(role|priv)\.([^.]+)\./); + my ($type,$role) = ($key =~ m{^user\.(role|priv)\.(.+?)\./}); if (grep(/^\Q$role\E$/,@{$roles})) { $refused = 0; } @@ -618,16 +769,19 @@ sub appenv { $env{$key}=$newenv->{$key}; } } - 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); + my $lonids = $perlvar{'lonIDsDir'}; + if ($env{'user.environment'} =~ m{^\Q$lonids/\E$match_username\_\d+\_$match_domain\_[\w\-.]+\.id$}) { + 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); + } } } return 'ok'; @@ -635,11 +789,20 @@ sub appenv { # ----------------------------------------------------- Delete from Environment sub delenv { - my ($delthis,$regexp) = @_; - if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { - &logthis("WARNING: ". - "Attempt to delete from environment ".$delthis); - return 'error'; + my ($delthis,$regexp,$roles) = @_; + if (($delthis=~/^user\.role/) || ($delthis=~/^user\.priv/)) { + my $refused = 1; + if (ref($roles) eq 'ARRAY') { + my ($type,$role) = ($delthis =~ /^user\.(role|priv)\.([^.]+)\./); + if (grep(/^\Q$role\E$/,@{$roles})) { + $refused = 0; + } + } + if ($refused) { + &logthis("WARNING: ". + "Attempt to delete from environment ".$delthis); + return 'error'; + } } my $opened = open(my $env_file,'+<',$env{'user.environment'}); if ($opened @@ -734,6 +897,7 @@ sub userload { while ($filename=readdir(LONIDS)) { next if ($filename eq '.' || $filename eq '..'); next if ($filename =~ /publicuser_\d+\.id/); + next if ($filename =~ /^[a-f0-9]+_linked\.id$/); my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; if ($curtime-$mtime < 1800) { $numusers++; } } @@ -748,30 +912,6 @@ sub userload { return $userloadpercent; } -# ------------------------------------------ Fight off request when overloaded - -sub overloaderror { - my ($r,$checkserver)=@_; - unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } - my $loadavg; - if ($checkserver eq $perlvar{'lonHostID'}) { - open(my $loadfile,'/proc/loadavg'); - $loadavg=<$loadfile>; - $loadavg =~ s/\s.*//g; - $loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; - close($loadfile); - } else { - $loadavg=&reply('load',$checkserver); - } - my $overload=$loadavg-100; - if ($overload>0) { - $r->err_headers_out->{'Retry-After'}=$overload; - $r->log_error('Overload of '.$overload.' on '.$checkserver); - return 413; - } - return ''; -} - # ------------------------------ Find server with least workload from spare.tab sub spareserver { @@ -787,26 +927,29 @@ sub spareserver { my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom); $remotesessions = $udomdefaults{'remotesessions'}; } - foreach my $try_server (@{ $spareid{'primary'} }) { - if ($uint_dom) { - next unless (&spare_can_host($udom,$uint_dom,$remotesessions, - $try_server)); - } - ($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'} }) { - if ($uint_dom) { + my $spareshash = &this_host_spares($udom); + if (ref($spareshash) eq 'HASH') { + if (ref($spareshash->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'primary'} }) { next unless (&spare_can_host($udom,$uint_dom,$remotesessions, $try_server)); + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); } - ($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) { + if (ref($spareshash->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'default'} }) { + next unless (&spare_can_host($udom,$uint_dom, + $remotesessions,$try_server)); + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); + } + } + } } if (!$want_server_name) { @@ -825,13 +968,23 @@ sub spareserver { } sub compare_server_load { - my ($try_server, $spare_server, $lowest_load) = @_; + my ($try_server, $spare_server, $lowest_load, $required) = @_; + + if ($required) { + my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/); + my $remoterev = &get_server_loncaparev(undef,$try_server); + my ($major,$minor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/); + if (($major eq '' && $minor eq '') || + (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) { + return ($spare_server,$lowest_load); + } + } my $loadans = &reply('load', $try_server); my $userloadans = &reply('userload',$try_server); if ($loadans !~ /\d/ && $userloadans !~ /\d/) { - return; #didn't get a number from the server + return ($spare_server, $lowest_load); #didn't get a number from the server } my $load; @@ -857,13 +1010,91 @@ sub compare_server_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)); + my $spareshash = &this_host_spares($udom); + if (ref($spareshash) eq 'HASH') { + if (ref($spareshash->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'primary'} }) { + return $try_server if (&has_user_session($try_server, $udom, $uname)); + } + } + if (ref($spareshash->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'default'} }) { + return $try_server if (&has_user_session($try_server, $udom, $uname)); + } + } } return; } +# check if user's browser sent load balancer cookie and server still has session +# and is not overloaded. +sub check_for_balancer_cookie { + my ($r,$update_mtime) = @_; + my ($otherserver,$cookie); + my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); + if (exists($cookies{'balanceID'})) { + my $balid = $cookies{'balanceID'}; + $cookie=&LONCAPA::clean_handle($balid->value); + my $balancedir=$r->dir_config('lonBalanceDir'); + if ((-d $balancedir) && (-e "$balancedir/$cookie.id")) { + if ($cookie =~ /^($match_domain)_($match_username)_[a-f0-9]+$/) { + my ($possudom,$possuname) = ($1,$2); + my $has_session = 0; + if ((&domain($possudom) ne '') && + (&homeserver($possuname,$possudom) ne 'no_host')) { + my $try_server; + my $opened = open(my $idf,'+<',"$balancedir/$cookie.id"); + if ($opened) { + flock($idf,LOCK_SH); + while (my $line = <$idf>) { + chomp($line); + if (&hostname($line) ne '') { + $try_server = $line; + last; + } + } + close($idf); + if (($try_server) && + (&has_user_session($try_server,$possudom,$possuname))) { + my $lowest_load = 30000; + ($otherserver,$lowest_load) = + &compare_server_load($try_server,undef,$lowest_load); + if ($otherserver ne '' && $lowest_load < 100) { + $has_session = 1; + } else { + undef($otherserver); + } + } + } + } + if ($has_session) { + if ($update_mtime) { + my $atime = my $mtime = time; + utime($atime,$mtime,"$balancedir/$cookie.id"); + } + } else { + unlink("$balancedir/$cookie.id"); + } + } + } + } + return ($otherserver,$cookie); +} + +sub delbalcookie { + my ($cookie,$balancer) =@_; + if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) { + my ($udom,$uname) = ($1,$2); + my $uprimary_id = &domain($udom,'primary'); + my $uintdom = &internet_dom($uprimary_id); + my $intdom = &internet_dom($balancer); + my $serverhomedom = &host_domain($balancer); + if (($uintdom ne '') && ($uintdom eq $intdom)) { + return &reply("delbalcookie:$cookie",$balancer); + } + } +} + # -------------------------------- ask if server already has a session for user sub has_user_session { my ($lonid,$udom,$uname) = @_; @@ -877,22 +1108,57 @@ sub has_user_session { # --------- determine least loaded server in a user's domain which allows login sub choose_server { - my ($udom) = @_; + my ($udom,$checkloginvia,$required,$skiploadbal) = @_; my %domconfhash = &Apache::loncommon::get_domainconf($udom); my %servers = &get_servers($udom); my $lowest_load = 30000; - my ($login_host,$hostname); + my ($login_host,$hostname,$portal_path,$isredirect,$balancers); + if ($skiploadbal) { + ($balancers,my $cached)=&is_cached_new('loadbalancing',$udom); + unless (defined($cached)) { + my $cachetime = 60*60*24; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom); + if (ref($domconfig{'loadbalancing'}) eq 'HASH') { + $balancers = &do_cache_new('loadbalancing',$udom,$domconfig{'loadbalancing'}, + $cachetime); + } + } + } foreach my $lonhost (keys(%servers)) { - my $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost}; - if ($loginvia eq '') { + my $loginvia; + if ($skiploadbal) { + if (ref($balancers) eq 'HASH') { + next if (exists($balancers->{$lonhost})); + } + } + if ($checkloginvia) { + $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost}; + if ($loginvia) { + my ($server,$path) = split(/:/,$loginvia); + ($login_host, $lowest_load) = + &compare_server_load($server, $login_host, $lowest_load, $required); + if ($login_host eq $server) { + $portal_path = $path; + $isredirect = 1; + } + } else { + ($login_host, $lowest_load) = + &compare_server_load($lonhost, $login_host, $lowest_load, $required); + if ($login_host eq $lonhost) { + $portal_path = ''; + $isredirect = ''; + } + } + } else { ($login_host, $lowest_load) = - &compare_server_load($lonhost, $login_host, $lowest_load); + &compare_server_load($lonhost, $login_host, $lowest_load, $required); } } if ($login_host ne '') { - $hostname = $servers{$login_host}; + $hostname = &hostname($login_host); } - return ($login_host,$hostname); + return ($login_host,$hostname,$portal_path,$isredirect,$lowest_load); } # --------------------------------------------- Try to change a user's password @@ -1033,15 +1299,19 @@ sub can_host_session { } if ($canhost) { if (ref($hostedsessions) eq 'HASH') { + my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); + my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); if (ref($hostedsessions->{'excludedomain'}) eq 'ARRAY') { - if (grep(/^\Q$udom\E$/,@{$hostedsessions->{'excludedomain'}})) { + if (($uint_dom ne '') && + (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'excludedomain'}}))) { $canhost = 0; } else { $canhost = 1; } } if (ref($hostedsessions->{'includedomain'}) eq 'ARRAY') { - if (grep(/^\Q$udom\E$/,@{$hostedsessions->{'includedomain'}})) { + if (($uint_dom ne '') && + (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'includedomain'}}))) { $canhost = 1; } else { $canhost = 0; @@ -1055,23 +1325,376 @@ sub can_host_session { sub spare_can_host { my ($udom,$uint_dom,$remotesessions,$try_server)=@_; my $canhost=1; - my @intdoms; - my $internet_names = &Apache::lonnet::get_internet_names($try_server); - if (ref($internet_names) eq 'ARRAY') { - @intdoms = @{$internet_names}; - } - unless (grep(/^\Q$uint_dom\E$/,@intdoms)) { - my $serverhomeID = &Apache::lonnet::get_server_homeID($try_server); - my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); - my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom); - my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server); - $canhost = &can_host_session($udom,$try_server,$remoterev, - $remotesessions, - $defdomdefaults{'hostedsessions'}); + my $try_server_hostname = &hostname($try_server); + my $serverhomeID = &get_server_homeID($try_server_hostname); + my $serverhomedom = &host_domain($serverhomeID); + my %defdomdefaults = &get_domain_defaults($serverhomedom); + if (ref($defdomdefaults{'offloadnow'}) eq 'HASH') { + if ($defdomdefaults{'offloadnow'}{$try_server}) { + $canhost = 0; + } + } + if (($canhost) && ($uint_dom)) { + my @intdoms; + my $internet_names = &get_internet_names($try_server); + if (ref($internet_names) eq 'ARRAY') { + @intdoms = @{$internet_names}; + } + unless (grep(/^\Q$uint_dom\E$/,@intdoms)) { + my $remoterev = &get_server_loncaparev(undef,$try_server); + $canhost = &can_host_session($udom,$try_server,$remoterev, + $remotesessions, + $defdomdefaults{'hostedsessions'}); + } } return $canhost; } +sub this_host_spares { + my ($dom) = @_; + my ($dom_in_use,$lonhost_in_use,$result); + my @hosts = ¤t_machine_ids(); + foreach my $lonhost (@hosts) { + if (&host_domain($lonhost) eq $dom) { + $dom_in_use = $dom; + $lonhost_in_use = $lonhost; + last; + } + } + if ($dom_in_use ne '') { + $result = &spares_for_offload($dom_in_use,$lonhost_in_use); + } + if (ref($result) ne 'HASH') { + $lonhost_in_use = $perlvar{'lonHostID'}; + $dom_in_use = &host_domain($lonhost_in_use); + $result = &spares_for_offload($dom_in_use,$lonhost_in_use); + if (ref($result) ne 'HASH') { + $result = \%spareid; + } + } + return $result; +} + +sub spares_for_offload { + my ($dom_in_use,$lonhost_in_use) = @_; + my ($result,$cached)=&is_cached_new('spares',$dom_in_use); + if (defined($cached)) { + return $result; + } else { + my $cachetime = 60*60*24; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['usersessions'],$dom_in_use); + if (ref($domconfig{'usersessions'}) eq 'HASH') { + if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') { + if (ref($domconfig{'usersessions'}{'spares'}{$lonhost_in_use}) eq 'HASH') { + return &do_cache_new('spares',$dom_in_use,$domconfig{'usersessions'}{'spares'}{$lonhost_in_use},$cachetime); + } + } + } + } + return; +} + +sub get_lonbalancer_config { + my ($servers) = @_; + my ($currbalancer,$currtargets); + if (ref($servers) eq 'HASH') { + foreach my $server (keys(%{$servers})) { + my %what = ( + spareid => 1, + perlvar => 1, + ); + my ($result,$returnhash) = &get_remote_globals($server,\%what); + if ($result eq 'ok') { + if (ref($returnhash) eq 'HASH') { + if (ref($returnhash->{'perlvar'}) eq 'HASH') { + if ($returnhash->{'perlvar'}->{'lonBalancer'} eq 'yes') { + $currbalancer = $server; + $currtargets = {}; + if (ref($returnhash->{'spareid'}) eq 'HASH') { + if (ref($returnhash->{'spareid'}->{'primary'}) eq 'ARRAY') { + $currtargets->{'primary'} = $returnhash->{'spareid'}->{'primary'}; + } + if (ref($returnhash->{'spareid'}->{'default'}) eq 'ARRAY') { + $currtargets->{'default'} = $returnhash->{'spareid'}->{'default'}; + } + } + last; + } + } + } + } + } + } + return ($currbalancer,$currtargets); +} + +sub check_loadbalancing { + my ($uname,$udom,$caller) = @_; + my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom, + $rule_in_effect,$offloadto,$otherserver,$setcookie); + my $lonhost = $perlvar{'lonHostID'}; + my @hosts = ¤t_machine_ids(); + my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); + my $uintdom = &Apache::lonnet::internet_dom($uprimary_id); + my $intdom = &Apache::lonnet::internet_dom($lonhost); + my $serverhomedom = &host_domain($lonhost); + my $domneedscache; + my $cachetime = 60*60*24; + + if (($uintdom ne '') && ($uintdom eq $intdom)) { + $dom_in_use = $udom; + $homeintdom = 1; + } else { + $dom_in_use = $serverhomedom; + } + my ($result,$cached)=&is_cached_new('loadbalancing',$dom_in_use); + unless (defined($cached)) { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use); + if (ref($domconfig{'loadbalancing'}) eq 'HASH') { + $result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime); + } else { + $domneedscache = $dom_in_use; + } + } + if (ref($result) eq 'HASH') { + ($is_balancer,$currtargets,$currrules,$setcookie) = + &check_balancer_result($result,@hosts); + if ($is_balancer) { + if (ref($currrules) eq 'HASH') { + if ($homeintdom) { + if ($uname ne '') { + if (($currrules->{'_LC_adv'} ne '') || ($currrules->{'_LC_author'} ne '')) { + my ($is_adv,$is_author) = &is_advanced_user($udom,$uname); + if (($currrules->{'_LC_author'} ne '') && ($is_author)) { + $rule_in_effect = $currrules->{'_LC_author'}; + } elsif (($currrules->{'_LC_adv'} ne '') && ($is_adv)) { + $rule_in_effect = $currrules->{'_LC_adv'} + } + } + if ($rule_in_effect eq '') { + my %userenv = &userenvironment($udom,$uname,'inststatus'); + if ($userenv{'inststatus'} ne '') { + my @statuses = map { &unescape($_); } split(/:/,$userenv{'inststatus'}); + my ($othertitle,$usertypes,$types) = + &Apache::loncommon::sorted_inst_types($udom); + if (ref($types) eq 'ARRAY') { + foreach my $type (@{$types}) { + if (grep(/^\Q$type\E$/,@statuses)) { + if (exists($currrules->{$type})) { + $rule_in_effect = $currrules->{$type}; + } + } + } + } + } else { + if (exists($currrules->{'default'})) { + $rule_in_effect = $currrules->{'default'}; + } + } + } + } else { + if (exists($currrules->{'default'})) { + $rule_in_effect = $currrules->{'default'}; + } + } + } else { + if ($currrules->{'_LC_external'} ne '') { + $rule_in_effect = $currrules->{'_LC_external'}; + } + } + $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets, + $uname,$udom); + } + } + } elsif (($homeintdom) && ($udom ne $serverhomedom)) { + ($result,$cached)=&is_cached_new('loadbalancing',$serverhomedom); + unless (defined($cached)) { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['loadbalancing'],$serverhomedom); + if (ref($domconfig{'loadbalancing'}) eq 'HASH') { + $result = &do_cache_new('loadbalancing',$serverhomedom,$domconfig{'loadbalancing'},$cachetime); + } else { + $domneedscache = $serverhomedom; + } + } + if (ref($result) eq 'HASH') { + ($is_balancer,$currtargets,$currrules,$setcookie) = + &check_balancer_result($result,@hosts); + if ($is_balancer) { + if (ref($currrules) eq 'HASH') { + if ($currrules->{'_LC_internetdom'} ne '') { + $rule_in_effect = $currrules->{'_LC_internetdom'}; + } + } + $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets, + $uname,$udom); + } + } else { + if ($perlvar{'lonBalancer'} eq 'yes') { + $is_balancer = 1; + $offloadto = &this_host_spares($dom_in_use); + } + unless (defined($cached)) { + $domneedscache = $serverhomedom; + } + } + } else { + if ($perlvar{'lonBalancer'} eq 'yes') { + $is_balancer = 1; + $offloadto = &this_host_spares($dom_in_use); + } + unless (defined($cached)) { + $domneedscache = $serverhomedom; + } + } + if ($domneedscache) { + &do_cache_new('loadbalancing',$domneedscache,$is_balancer,$cachetime); + } + if ($is_balancer) { + my $lowest_load = 30000; + if (ref($offloadto) eq 'HASH') { + if (ref($offloadto->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{$offloadto->{'primary'}}) { + ($otherserver,$lowest_load) = + &compare_server_load($try_server,$otherserver,$lowest_load); + } + } + my $found_server = ($otherserver ne '' && $lowest_load < 100); + + if (!$found_server) { + if (ref($offloadto->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{$offloadto->{'default'}}) { + ($otherserver,$lowest_load) = + &compare_server_load($try_server,$otherserver,$lowest_load); + } + } + } + } elsif (ref($offloadto) eq 'ARRAY') { + if (@{$offloadto} == 1) { + $otherserver = $offloadto->[0]; + } elsif (@{$offloadto} > 1) { + foreach my $try_server (@{$offloadto}) { + ($otherserver,$lowest_load) = + &compare_server_load($try_server,$otherserver,$lowest_load); + } + } + } + unless ($caller eq 'login') { + if (($otherserver ne '') && (grep(/^\Q$otherserver\E$/,@hosts))) { + $is_balancer = 0; + if ($uname ne '' && $udom ne '') { + if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) { + &appenv({'user.loadbalexempt' => $lonhost, + 'user.loadbalcheck.time' => time}); + } + } + } + } + unless ($homeintdom) { + undef($setcookie); + } + } + return ($is_balancer,$otherserver,$setcookie); +} + +sub check_balancer_result { + my ($result,@hosts) = @_; + my ($is_balancer,$currtargets,$currrules,$setcookie); + if (ref($result) eq 'HASH') { + if ($result->{'lonhost'} ne '') { + my $currbalancer = $result->{'lonhost'}; + if (grep(/^\Q$currbalancer\E$/,@hosts)) { + $is_balancer = 1; + $currtargets = $result->{'targets'}; + $currrules = $result->{'rules'}; + } + } else { + foreach my $key (keys(%{$result})) { + if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) && + (ref($result->{$key}) eq 'HASH')) { + $is_balancer = 1; + $currrules = $result->{$key}{'rules'}; + $currtargets = $result->{$key}{'targets'}; + $setcookie = $result->{$key}{'cookie'}; + last; + } + } + } + } + return ($is_balancer,$currtargets,$currrules,$setcookie); +} + +sub get_loadbalancer_targets { + my ($rule_in_effect,$currtargets,$uname,$udom) = @_; + my $offloadto; + if ($rule_in_effect eq 'none') { + return [$perlvar{'lonHostID'}]; + } elsif ($rule_in_effect eq '') { + $offloadto = $currtargets; + } else { + if ($rule_in_effect eq 'homeserver') { + my $homeserver = &homeserver($uname,$udom); + if ($homeserver ne 'no_host') { + $offloadto = [$homeserver]; + } + } elsif ($rule_in_effect eq 'externalbalancer') { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom); + if (ref($domconfig{'loadbalancing'}) eq 'HASH') { + if ($domconfig{'loadbalancing'}{'lonhost'} ne '') { + if (&hostname($domconfig{'loadbalancing'}{'lonhost'}) ne '') { + $offloadto = [$domconfig{'loadbalancing'}{'lonhost'}]; + } + } + } else { + my %servers = &internet_dom_servers($udom); + my ($remotebalancer,$remotetargets) = &get_lonbalancer_config(\%servers); + if (&hostname($remotebalancer) ne '') { + $offloadto = [$remotebalancer]; + } + } + } elsif (&hostname($rule_in_effect) ne '') { + $offloadto = [$rule_in_effect]; + } + } + return $offloadto; +} + +sub internet_dom_servers { + my ($dom) = @_; + my (%uniqservers,%servers); + my $primaryserver = &hostname(&domain($dom,'primary')); + my @machinedoms = &machine_domains($primaryserver); + foreach my $mdom (@machinedoms) { + my %currservers = %servers; + my %server = &get_servers($mdom); + %servers = (%currservers,%server); + } + my %by_hostname; + foreach my $id (keys(%servers)) { + push(@{$by_hostname{$servers{$id}}},$id); + } + foreach my $hostname (sort(keys(%by_hostname))) { + if (@{$by_hostname{$hostname}} > 1) { + my $match = 0; + foreach my $id (@{$by_hostname{$hostname}}) { + if (&host_domain($id) eq $dom) { + $uniqservers{$id} = $hostname; + $match = 1; + } + } + unless ($match) { + $uniqservers{$by_hostname{$hostname}[0]} = $hostname; + } + } else { + $uniqservers{$by_hostname{$hostname}[0]} = $hostname; + } + } + return %uniqservers; +} + # ---------------------- Find the homebase for a user from domain's lib servers my %homecache; @@ -1105,7 +1728,7 @@ sub idget { my %servers = &get_servers($udom,'library'); foreach my $tryserver (keys(%servers)) { - my $idlist=join('&',@ids); + my $idlist=join('&', map { &escape($_); } @ids); $idlist=~tr/A-Z/a-z/; my $reply=&reply("idget:$udom:".$idlist,$tryserver); my @answer=(); @@ -1115,7 +1738,7 @@ sub idget { my $i; for ($i=0;$i<=$#ids;$i++) { if ($answer[$i]) { - $returnhash{$ids[$i]}=$answer[$i]; + $returnhash{$ids[$i]}=&unescape($answer[$i]); } } } @@ -1157,24 +1780,52 @@ sub idput { } } -# ------------------------------dump from db file owned by domainconfig user -sub dump_dom { - my ($namespace,$udom,$regexp,$range)=@_; - if (!$udom) { - $udom=$env{'user.domain'}; +# ---------------------------------------- Delete unwanted IDs from ids.db file + +sub iddel { + my ($udom,$idshashref,$uhome)=@_; + my %result=(); + unless (ref($idshashref) eq 'HASH') { + return %result; } - my %returnhash; - if ($udom) { - my $uname = &get_domainconfiguser($udom); - %returnhash = &dump($namespace,$udom,$uname,$regexp,$range); + my %servers=(); + while (my ($id,$uname) = each(%{$idshashref})) { + my $uhom; + if ($uhome) { + $uhom = $uhome; + } else { + $uhom=&homeserver($uname,$udom); + } + if ($uhom ne 'no_host') { + if ($servers{$uhom}) { + $servers{$uhom}.='&'.&escape($id); + } else { + $servers{$uhom}=&escape($id); + } + } } - return %returnhash; + foreach my $server (keys(%servers)) { + $result{$server} = &critical('iddel:'.$udom.':'.$servers{$server},$uhome); + } + return %result; +} + +# ------------------------------dump from db file owned by domainconfig user +sub dump_dom { + my ($namespace, $udom, $regexp) = @_; + + $udom ||= $env{'user.domain'}; + + return () unless $udom; + + return &dump($namespace, $udom, &get_domainconfiguser($udom), $regexp); } # ------------------------------------------ get items from domain db files sub get_dom { my ($namespace,$storearr,$udom,$uhome)=@_; + return if ($udom eq 'public'); my $items=''; foreach my $item (@$storearr) { $items.=&escape($item).'&'; @@ -1182,6 +1833,7 @@ sub get_dom { $items=~s/\&$//; if (!$udom) { $udom=$env{'user.domain'}; + return if ($udom eq 'public'); if (defined(&domain($udom,'primary'))) { $uhome=&domain($udom,'primary'); } else { @@ -1285,14 +1937,13 @@ sub retrieve_inst_usertypes { my %domdefs = &Apache::lonnet::get_domain_defaults($udom); if ((ref($domdefs{'inststatustypes'}) eq 'HASH') && (ref($domdefs{'inststatusorder'}) eq 'ARRAY')) { - %returnhash = %{$domdefs{'inststatustypes'}}; - @order = @{$domdefs{'inststatusorder'}}; + return ($domdefs{'inststatustypes'},$domdefs{'inststatusorder'}); } else { if (defined(&domain($udom,'primary'))) { my $uhome=&domain($udom,'primary'); my $rep=&reply("inst_usertypes:$udom",$uhome); if ($rep =~ /^(con_lost|error|no_such_host|refused)/) { - &logthis("get_dom failed - $rep returned from $uhome in domain: $udom"); + &logthis("retrieve_inst_usertypes failed - $rep returned from $uhome in domain: $udom"); return (\%returnhash,\@order); } my ($hashitems,$orderitems) = split(/:/,$rep); @@ -1308,15 +1959,15 @@ sub retrieve_inst_usertypes { push(@order,&unescape($item)); } } else { - &logthis("get_dom failed - no primary domain server for $udom"); + &logthis("retrieve_inst_usertypes failed - no primary domain server for $udom"); } + return (\%returnhash,\@order); } - return (\%returnhash,\@order); } sub is_domainimage { my ($url) = @_; - if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+-) { + if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+[^/]-) { if (&domain($1) ne '') { return '1'; } @@ -1337,7 +1988,7 @@ sub inst_directory_query { &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); + &logthis('institutional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.' in domain '.$udom); return; } my $response = &get_query_reply($queryid); @@ -1457,6 +2108,63 @@ sub get_instuser { return ($outcome,%userinfo); } +sub get_multiple_instusers { + my ($udom,$users,$caller) = @_; + my ($outcome,$results); + if (ref($users) eq 'HASH') { + my $count = keys(%{$users}); + my $requested = &freeze_escape($users); + my $homeserver = &domain($udom,'primary'); + if ($homeserver ne '') { + my $queryid=&reply('querysend:getmultinstusers:::'.$caller.'='.$requested,$homeserver); + my $host=&hostname($homeserver); + if ($queryid !~/^\Q$host\E\_/) { + &logthis('get_multiple_instusers invalid queryid: '.$queryid. + ' for host: '.$homeserver.'in domain '.$udom); + return ($outcome,$results); + } + my $response = &get_query_reply($queryid); + my $maxtries = 5; + if ($count > 100) { + $maxtries = 1+int($count/20); + } + my $tries = 1; + while (($response=~/^timeout/) && ($tries <= $maxtries)) { + $response = &get_query_reply($queryid); + $tries ++; + } + if ($response eq '') { + $results = {}; + foreach my $key (keys(%{$users})) { + my ($uname,$id); + if ($caller eq 'id') { + $id = $key; + } else { + $uname = $key; + } + my ($resp,%info) = &get_instuser($udom,$uname,$id); + $outcome = $resp; + if ($resp eq 'ok') { + %{$results} = (%{$results}, %info); + } else { + last; + } + } + } elsif(!&error($response) && ($response ne 'refused')) { + if (($response eq 'unavailable') || ($response eq 'invalid') || ($response eq 'timeout')) { + $outcome = $response; + } else { + ($outcome,my $userdata) = split(/=/,$response,2); + if ($outcome eq 'ok') { + $results = &thaw_unescape($userdata); + } + } + } + } + } + return ($outcome,$results); +} + sub inst_rulecheck { my ($udom,$uname,$id,$item,$rules) = @_; my %returnhash; @@ -1536,25 +2244,36 @@ sub inst_userrules { # ------------- Get Authentication, Language and User Tools Defaults for Domain sub get_domain_defaults { - my ($domain) = @_; + my ($domain,$ignore_cache) = @_; + return if (($domain eq '') || ($domain eq 'public')); my $cachetime = 60*60*24; - my ($result,$cached)=&is_cached_new('domdefaults',$domain); - if (defined($cached)) { - if (ref($result) eq 'HASH') { - return %{$result}; + unless ($ignore_cache) { + my ($result,$cached)=&is_cached_new('domdefaults',$domain); + if (defined($cached)) { + if (ref($result) eq 'HASH') { + return %{$result}; + } } } my %domdefaults; my %domconfig = &Apache::lonnet::get_dom('configuration',['defaults','quotas', 'requestcourses','inststatus', - 'coursedefaults','usersessions'],$domain); + 'coursedefaults','usersessions', + 'requestauthor','selfenrollment', + 'coursecategories','autoenroll', + 'helpsettings'],$domain); + my @coursetypes = ('official','unofficial','community','textbook'); if (ref($domconfig{'defaults'}) eq 'HASH') { $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'}; $domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'}; $domdefaults{'auth_arg_def'} = $domconfig{'defaults'}{'auth_arg_def'}; $domdefaults{'timezone_def'} = $domconfig{'defaults'}{'timezone_def'}; $domdefaults{'datelocale_def'} = $domconfig{'defaults'}{'datelocale_def'}; + $domdefaults{'portal_def'} = $domconfig{'defaults'}{'portal_def'}; + $domdefaults{'intauth_cost'} = $domconfig{'defaults'}{'intauth_cost'}; + $domdefaults{'intauth_switch'} = $domconfig{'defaults'}{'intauth_switch'}; + $domdefaults{'intauth_check'} = $domconfig{'defaults'}{'intauth_check'}; } else { $domdefaults{'lang_def'} = &domain($domain,'lang_def'); $domdefaults{'auth_def'} = &domain($domain,'auth_def'); @@ -1565,27 +2284,64 @@ sub get_domain_defaults { $domdefaults{'defaultquota'} = $domconfig{'quotas'}{'defaultquota'}; } else { $domdefaults{'defaultquota'} = $domconfig{'quotas'}; - } - my @usertools = ('aboutme','blog','portfolio'); + } + my @usertools = ('aboutme','blog','webdav','portfolio'); foreach my $item (@usertools) { if (ref($domconfig{'quotas'}{$item}) eq 'HASH') { $domdefaults{$item} = $domconfig{'quotas'}{$item}; } } + if (ref($domconfig{'quotas'}{'authorquota'}) eq 'HASH') { + $domdefaults{'authorquota'} = $domconfig{'quotas'}{'authorquota'}; + } } if (ref($domconfig{'requestcourses'}) eq 'HASH') { - foreach my $item ('official','unofficial','community') { + foreach my $item ('official','unofficial','community','textbook') { $domdefaults{$item} = $domconfig{'requestcourses'}{$item}; } } + if (ref($domconfig{'requestauthor'}) eq 'HASH') { + $domdefaults{'requestauthor'} = $domconfig{'requestauthor'}; + } if (ref($domconfig{'inststatus'}) eq 'HASH') { - foreach my $item ('inststatustypes','inststatusorder') { + foreach my $item ('inststatustypes','inststatusorder','inststatusguest') { $domdefaults{$item} = $domconfig{'inststatus'}{$item}; } } if (ref($domconfig{'coursedefaults'}) eq 'HASH') { - foreach my $item ('canuse_pdfforms') { - $domdefaults{$item} = $domconfig{'coursedefaults'}{$item}; + $domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'}; + $domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'}; + if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') { + $domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'}; + } + foreach my $type (@coursetypes) { + if (ref($domconfig{'coursedefaults'}{'coursecredits'}) eq 'HASH') { + unless ($type eq 'community') { + $domdefaults{$type.'credits'} = $domconfig{'coursedefaults'}{'coursecredits'}{$type}; + } + } + if (ref($domconfig{'coursedefaults'}{'uploadquota'}) eq 'HASH') { + $domdefaults{$type.'quota'} = $domconfig{'coursedefaults'}{'uploadquota'}{$type}; + } + if ($domdefaults{'postsubmit'} eq 'on') { + if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') { + $domdefaults{$type.'postsubtimeout'} = + $domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$type}; + } + } + } + if (ref($domconfig{'coursedefaults'}{'canclone'}) eq 'HASH') { + if (ref($domconfig{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') { + my @clonecodes = @{$domconfig{'coursedefaults'}{'canclone'}{'instcode'}}; + if (@clonecodes) { + $domdefaults{'canclone'} = join('+',@clonecodes); + } + } + } elsif ($domconfig{'coursedefaults'}{'canclone'}) { + $domdefaults{'canclone'}=$domconfig{'coursedefaults'}{'canclone'}; + } + if ($domconfig{'coursedefaults'}{'texengine'}) { + $domdefaults{'texengine'} = $domconfig{'coursedefaults'}{'texengine'}; } } if (ref($domconfig{'usersessions'}) eq 'HASH') { @@ -1595,12 +2351,120 @@ sub get_domain_defaults { if (ref($domconfig{'usersessions'}{'hosted'}) eq 'HASH') { $domdefaults{'hostedsessions'} = $domconfig{'usersessions'}{'hosted'}; } + if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') { + $domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'}; + } } - &Apache::lonnet::do_cache_new('domdefaults',$domain,\%domdefaults, - $cachetime); + if (ref($domconfig{'selfenrollment'}) eq 'HASH') { + if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') { + my @settings = ('types','registered','enroll_dates','access_dates','section', + 'approval','limit'); + foreach my $type (@coursetypes) { + if (ref($domconfig{'selfenrollment'}{'admin'}{$type}) eq 'HASH') { + my @mgrdc = (); + foreach my $item (@settings) { + if ($domconfig{'selfenrollment'}{'admin'}{$type}{$item} eq '0') { + push(@mgrdc,$item); + } + } + if (@mgrdc) { + $domdefaults{$type.'selfenrolladmdc'} = join(',',@mgrdc); + } + } + } + } + if (ref($domconfig{'selfenrollment'}{'default'}) eq 'HASH') { + foreach my $type (@coursetypes) { + if (ref($domconfig{'selfenrollment'}{'default'}{$type}) eq 'HASH') { + foreach my $item (keys(%{$domconfig{'selfenrollment'}{'default'}{$type}})) { + $domdefaults{$type.'selfenroll'.$item} = $domconfig{'selfenrollment'}{'default'}{$type}{$item}; + } + } + } + } + } + if (ref($domconfig{'coursecategories'}) eq 'HASH') { + $domdefaults{'catauth'} = 'std'; + $domdefaults{'catunauth'} = 'std'; + if ($domconfig{'coursecategories'}{'auth'}) { + $domdefaults{'catauth'} = $domconfig{'coursecategories'}{'auth'}; + } + if ($domconfig{'coursecategories'}{'unauth'}) { + $domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'}; + } + } + if (ref($domconfig{'autoenroll'}) eq 'HASH') { + $domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'}; + } + if (ref($domconfig{'helpsettings'}) eq 'HASH') { + $domdefaults{'submitbugs'} = $domconfig{'helpsettings'}{'submitbugs'}; + if (ref($domconfig{'helpsettings'}{'adhoc'}) eq 'HASH') { + $domdefaults{'adhocroles'} = $domconfig{'helpsettings'}{'adhoc'}; + } + } + &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime); return %domdefaults; } +sub get_dom_cats { + my ($dom) = @_; + return unless (&domain($dom)); + my ($cats,$cached)=&is_cached_new('cats',$dom); + unless (defined($cached)) { + my %domconfig = &get_dom('configuration',['coursecategories'],$dom); + if (ref($domconfig{'coursecategories'}) eq 'HASH') { + if (ref($domconfig{'coursecategories'}{'cats'}) eq 'HASH') { + %{$cats} = %{$domconfig{'coursecategories'}{'cats'}}; + } else { + $cats = {}; + } + } else { + $cats = {}; + } + &Apache::lonnet::do_cache_new('cats',$dom,$cats,3600); + } + return $cats; +} + +sub get_dom_instcats { + my ($dom) = @_; + return unless (&domain($dom)); + my ($instcats,$cached)=&is_cached_new('instcats',$dom); + unless (defined($cached)) { + my (%coursecodes,%codes,@codetitles,%cat_titles,%cat_order); + my $totcodes = &retrieve_instcodes(\%coursecodes,$dom); + if ($totcodes > 0) { + my $caller = 'global'; + if (&auto_instcode_format($caller,$dom,\%coursecodes,\%codes, + \@codetitles,\%cat_titles,\%cat_order) eq 'ok') { + $instcats = { + codes => \%codes, + codetitles => \@codetitles, + cat_titles => \%cat_titles, + cat_order => \%cat_order, + }; + &do_cache_new('instcats',$dom,$instcats,3600); + } + } + } + return $instcats; +} + +sub retrieve_instcodes { + my ($coursecodes,$dom) = @_; + my $totcodes; + my %courses = &courseiddump($dom,'.',1,'.','.','.',undef,undef,'Course'); + foreach my $course (keys(%courses)) { + if (ref($courses{$course}) eq 'HASH') { + if ($courses{$course}{'inst_code'} ne '') { + $$coursecodes{$course} = $courses{$course}{'inst_code'}; + $totcodes ++; + } + } + } + return $totcodes; +} + # --------------------------------------------------- Assign a key to a student sub assign_access_key { @@ -1781,8 +2645,7 @@ sub getsection { # If there is a role which has expired, return it. # $courseid = &courseid_to_courseurl($courseid); - my $extra = &freeze_escape({'skipcheck' => 1}); - my %roleshash = &dump('roles',$udom,$unam,$courseid,undef,$extra); + my %roleshash = &dump('roles',$udom,$unam,$courseid); foreach my $key (keys(%roleshash)) { next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/); my $section=$1; @@ -1838,21 +2701,25 @@ sub make_key { sub devalidate_cache_new { my ($name,$id,$debug) = @_; if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); } + my $remembered_id=$name.':'.$id; $id=&make_key($name,$id); $memcache->delete($id); - delete($remembered{$id}); - delete($accessed{$id}); + delete($remembered{$remembered_id}); + delete($accessed{$remembered_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()]; + my $remembered_id=$name.':'.$id; # this is to avoid make_key (which is slow) for + # keys in %remembered hash, which persists for + # duration of request (no restriction on key length). + if (exists($remembered{$remembered_id})) { + if ($debug) { &Apache::lonnet::logthis("Early return $remembered_id of $remembered{$remembered_id} "); } + $accessed{$remembered_id}=[&gettimeofday()]; $hits++; - return ($remembered{$id},1); + return ($remembered{$remembered_id},1); } + $id=&make_key($name,$id); my $value = $memcache->get($id); if (!(defined($value))) { if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); } @@ -1862,13 +2729,14 @@ sub is_cached_new { if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); } $value=undef; } - &make_room($id,$value,$debug); + &make_room($remembered_id,$value,$debug); if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); } return ($value,1); } sub do_cache_new { my ($name,$id,$value,$time,$debug) = @_; + my $remembered_id=$name.':'.$id; $id=&make_key($name,$id); my $setvalue=$value; if (!defined($setvalue)) { @@ -1884,17 +2752,17 @@ sub do_cache_new { $memcache->disconnect_all(); } # need to make a copy of $value - &make_room($id,$value,$debug); + &make_room($remembered_id,$value,$debug); return $value; } sub make_room { - my ($id,$value,$debug)=@_; + my ($remembered_id,$value,$debug)=@_; - $remembered{$id}= (ref($value)) ? &Storable::dclone($value) + $remembered{$remembered_id}= (ref($value)) ? &Storable::dclone($value) : $value; if ($to_remember<0) { return; } - $accessed{$id}=[&gettimeofday()]; + $accessed{$remembered_id}=[&gettimeofday()]; if (scalar(keys(%remembered)) <= $to_remember) { return; } my $to_kick; my $max_time=0; @@ -2008,26 +2876,35 @@ sub chatsend { sub getversion { my $fname=&clutter(shift); - unless ($fname=~/^\/res\//) { return -1; } + unless ($fname=~m{^(/adm/wrapper|)/res/}) { return -1; } return ¤tversion(&filelocation('',$fname)); } 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); - my $home=homeserver($uname,$udom); + my $home=&homeserver($uname,$udom); if ($home eq 'no_host') { return -1; } - my $answer=reply("currentversion:$fname",$home); + my $answer=&reply("currentversion:$fname",$home); if (($answer eq 'con_lost') || ($answer eq 'rejected')) { return -1; } - return &do_cache_new('resversion',$fname,$answer,600); + return $answer; +} + +# +# Return special version number of resource if set by override, empty otherwise +# +sub usedversion { + my $fname=shift; + unless ($fname) { $fname=$env{'request.uri'}; } + my ($urlversion)=($fname=~/\.(\d+)\.\w+$/); + if ($urlversion) { return $urlversion; } + return ''; } # ----------------------------- Subscribe to a resource, return URL if possible @@ -2055,10 +2932,11 @@ sub subscribe { sub repcopy { my $filename=shift; $filename=~s/\/+/\//g; - if ($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)/-) { + my $londocroot = $perlvar{'lonDocRoot'}; + if ($filename=~m{^\Q$londocroot/adm/\E}) { return 'ok'; } + if ($filename=~m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; } + if ($filename=~m{^\Q$londocroot/userfiles/\E} or + $filename=~m{^/*(uploaded|editupload)/}) { return &repcopy_userfile($filename); } $filename=~s/[\n\r]//g; @@ -2085,7 +2963,7 @@ sub repcopy { unless ($home eq $perlvar{'lonHostID'}) { my @parts=split(/\//,$filename); my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; - if ($path ne "$perlvar{'lonDocRoot'}/res") { + if ($path ne "$londocroot/res") { &logthis("Malconfiguration for replication: $filename"); return 'bad_request'; } @@ -2171,21 +3049,47 @@ sub absolute_url { sub ssi { my ($fn,%form)=@_; - my $ua=new LWP::UserAgent; - my $request; + my ($request,$response); $form{'no_update_last_known'}=1; &Apache::lonenc::check_encrypt(\$fn); if (%form) { $request=new HTTP::Request('POST',&absolute_url().$fn); - $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys(%form))); + $request->content(join('&',map { + my $name = escape($_); + "$name=" . ( ref($form{$_}) eq 'ARRAY' + ? join("&$name=", map {escape($_) } @{$form{$_}}) + : &escape($form{$_}) ); + } keys(%form))); } else { $request=new HTTP::Request('GET',&absolute_url().$fn); } $request->header(Cookie => $ENV{'HTTP_COOKIE'}); - my $response=$ua->request($request); + if (($env{'request.course.id'}) && + ($form{'grade_courseid'} eq $env{'request.course.id'}) && + ($form{'grade_username'} ne '') && ($form{'grade_domain'} ne '') && + ($form{'grade_symb'} ne '') && + (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { + if (LWP::UserAgent->VERSION >= 5.834) { + my $ua=new LWP::UserAgent; + $ua->local_address('127.0.0.1'); + $response = $ua->request($request); + } else { + { + require LWP::Protocol::http; + local @LWP::Protocol::http::EXTRA_SOCK_OPTS = (LocalAddr => '127.0.0.1'); + my $ua=new LWP::UserAgent; + $response = $ua->request($request); + @LWP::Protocol::http::EXTRA_SOCK_OPTS = (); + } + } + } else { + my $ua=new LWP::UserAgent; + $response = $ua->request($request); + } if (wantarray) { return ($response->content, $response); } else { @@ -2205,6 +3109,72 @@ sub externalssi { } } +# If the local copy of a replicated resource is outdated, trigger a +# connection from the homeserver to flush the delayed queue. If no update +# happens, remove local copies of outdated resource (and corresponding +# metadata file). + +sub remove_stale_resfile { + my ($url) = @_; + my $removed; + if ($url=~m{^/res/($match_domain)/($match_username)/}) { + my $audom = $1; + my $auname = $2; + unless (($url =~ /\.\d+\.\w+$/) || ($url =~ m{^/res/lib/templates/})) { + my $homeserver = &homeserver($auname,$audom); + unless (($homeserver eq 'no_host') || + (grep { $_ eq $homeserver } ¤t_machine_ids())) { + my $fname = &filelocation('',$url); + if (-e $fname) { + my $ua=new LWP::UserAgent; + $ua->timeout(5); + my $protocol = $protocol{$homeserver}; + $protocol = 'http' if ($protocol ne 'https'); + my $hostname = &hostname($homeserver); + if ($hostname) { + my $uri = $protocol.'://'.$hostname.'/raw/'.&declutter($url); + my $request=new HTTP::Request('HEAD',$uri); + my $response=$ua->request($request); + if ($response->is_success()) { + my $remmodtime = &HTTP::Date::str2time( $response->header('Last-modified') ); + my $locmodtime = (stat($fname))[9]; + if ($locmodtime < $remmodtime) { + my $stale; + my $answer = &reply('pong',$homeserver); + if ($answer eq $homeserver.':'.$perlvar{'lonHostID'}) { + sleep(0.2); + $locmodtime = (stat($fname))[9]; + if ($locmodtime < $remmodtime) { + my $posstransfer = $fname.'.in.transfer'; + if ((-e $posstransfer) && ($remmodtime < (stat($posstransfer))[9])) { + $removed = 1; + } else { + $stale = 1; + } + } else { + $removed = 1; + } + } else { + $stale = 1; + } + if ($stale) { + unlink($fname); + if ($uri!~/\.meta$/) { + unlink($fname.'.meta'); + } + &reply("unsub:$fname",$homeserver); + $removed = 1; + } + } + } + } + } + } + } + } + return $removed; +} + # -------------------------------- Allow a /uploaded/ URI to be vouched for sub allowuploaded { @@ -2218,6 +3188,264 @@ sub allowuploaded { &Apache::lonnet::appenv(\%httpref); } +# +# Determine if the current user should be able to edit a particular resource, +# when viewing in course context. +# (a) When viewing resource used to determine if "Edit" item is included in +# Functions. +# (b) When displaying folder contents in course editor, used to determine if +# "Edit" link will be displayed alongside resource. +# +# input: six args -- filename (decluttered), course number, course domain, +# url, symb (if registered) and group (if this is a group +# item -- e.g., bulletin board, group page etc.). +# output: array of five scalars -- +# $cfile -- url for file editing if editable on current server +# $home -- homeserver of resource (i.e., for author if published, +# or course if uploaded.). +# $switchserver -- 1 if server switch will be needed. +# $forceedit -- 1 if icon/link should be to go to edit mode +# $forceview -- 1 if icon/link should be to go to view mode +# + +sub can_edit_resource { + my ($file,$cnum,$cdom,$resurl,$symb,$group) = @_; + my ($cfile,$home,$switchserver,$forceedit,$forceview,$uploaded,$incourse); +# +# For aboutme pages user can only edit his/her own. +# + if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) { + my ($sdom,$sname) = ($1,$2); + if (($sdom eq $env{'user.domain'}) && ($sname eq $env{'user.name'})) { + $home = $env{'user.home'}; + $cfile = $resurl; + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + return ($cfile,$home,$switchserver,$forceedit,$forceview); + } else { + return; + } + } + + if ($env{'request.course.id'}) { + my $crsedit = &Apache::lonnet::allowed('mdc',$env{'request.course.id'}); + if ($group ne '') { +# if this is a group homepage or group bulletin board, check group privs + my $allowed = 0; + if ($resurl =~ m{^/?adm/$cdom/$cnum/$group/smppg$}) { + if ((&allowed('mdg',$env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) || + (&allowed('mgh',$env{'request.course.id'}.'/'.$group)) || $crsedit) { + $allowed = 1; + } + } elsif ($resurl =~ m{^/?adm/$cdom/$cnum/\d+/bulletinboard$}) { + if ((&allowed('mdg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) || + (&allowed('cgb',$env{'request.course.id'}.'/'.$group)) || $crsedit) { + $allowed = 1; + } + } + if ($allowed) { + $home=&homeserver($cnum,$cdom); + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + $cfile = $resurl; + } else { + return; + } + } else { + if ($resurl =~ m{^/?adm/viewclasslist$}) { + unless (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { + return; + } + } elsif (!$crsedit) { +# +# No edit allowed where CC has switched to student role. +# + return; + } + } + } + + if ($file ne '') { + if (($cnum =~ /$match_courseid/) && ($cdom =~ /$match_domain/)) { + if (&is_course_upload($file,$cnum,$cdom)) { + $uploaded = 1; + $incourse = 1; + if ($file =~/\.(htm|html|css|js|txt)$/) { + $cfile = &hreflocation('',$file); + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + } + } elsif ($resurl =~ m{^/public/$cdom/$cnum/syllabus}) { + $incourse = 1; + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + $cfile = $resurl; + } elsif (($resurl ne '') && (&is_on_map($resurl))) { + if ($resurl =~ m{^/adm/$match_domain/$match_username/\d+/smppg|bulletinboard$}) { + $incourse = 1; + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + $cfile = $resurl; + } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem') { + $incourse = 1; + $cfile = $resurl.'/smpedit'; + } elsif ($resurl =~ m{^/adm/wrapper/ext/}) { + $incourse = 1; + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + $cfile = $resurl; + } elsif ($resurl =~ m{^/?adm/viewclasslist$}) { + $incourse = 1; + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl"); + } + } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem/smpedit') { + my $template = '/res/lib/templates/simpleproblem.problem'; + if (&is_on_map($template)) { + $incourse = 1; + $forceview = 1; + $cfile = $template; + } + } elsif (($resurl =~ m{^/adm/wrapper/ext/}) && ($env{'form.folderpath'} =~ /^supplemental/)) { + $incourse = 1; + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + $cfile = $resurl; + } elsif (($resurl eq '/adm/extresedit') && ($symb || $env{'form.folderpath'})) { + $incourse = 1; + $forceview = 1; + if ($symb) { + my ($map,$id,$res)=&decode_symb($symb); + $env{'request.symb'} = $symb; + $cfile = &clutter($res); + } else { + $cfile = $env{'form.suppurl'}; + $cfile =~ s{^http://}{}; + $cfile = '/adm/wrapper/ext/'.$cfile; + } + } elsif ($resurl =~ m{^/?adm/viewclasslist$}) { + if ($env{'form.forceedit'}) { + $forceview = 1; + } else { + $forceedit = 1; + } + $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl"); + } + } + if ($uploaded || $incourse) { + $home=&homeserver($cnum,$cdom); + } elsif ($file !~ m{/$}) { + $file=~s{^(priv/$match_domain/$match_username)}{/$1}; + $file=~s{^($match_domain/$match_username)}{/priv/$1}; + # Check that the user has permission to edit this resource + my $setpriv = 1; + my ($cfuname,$cfudom)=&constructaccess($file,$setpriv); + if (defined($cfudom)) { + $home=&homeserver($cfuname,$cfudom); + $cfile=$file; + } + } + if (($cfile ne '') && (!$incourse || $uploaded) && + (($home ne '') && ($home ne 'no_host'))) { + my @ids=¤t_machine_ids(); + unless (grep(/^\Q$home\E$/,@ids)) { + $switchserver=1; + } + } + } + return ($cfile,$home,$switchserver,$forceedit,$forceview); +} + +sub is_course_upload { + my ($file,$cnum,$cdom) = @_; + my $uploadpath = &LONCAPA::propath($cdom,$cnum); + $uploadpath =~ s{^\/}{}; + if (($file =~ m{^\Q$uploadpath\E/userfiles/(docs|supplemental)/}) || + ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/(docs|supplemental)/})) { + return 1; + } + return; +} + +sub in_course { + my ($udom,$uname,$cdom,$cnum,$type,$hideprivileged) = @_; + if ($hideprivileged) { + my $skipuser; + my %coursehash = &coursedescription($cdom.'_'.$cnum); + my @possdoms = ($cdom); + if ($coursehash{'checkforpriv'}) { + push(@possdoms,split(/,/,$coursehash{'checkforpriv'})); + } + if (&privileged($uname,$udom,\@possdoms)) { + $skipuser = 1; + if ($coursehash{'nothideprivileged'}) { + foreach my $item (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { + my $user; + if ($item =~ /:/) { + $user = $item; + } else { + $user = join(':',split(/[\@]/,$item)); + } + if ($user eq $uname.':'.$udom) { + undef($skipuser); + last; + } + } + } + if ($skipuser) { + return 0; + } + } + } + $type ||= 'any'; + if (!defined($cdom) || !defined($cnum)) { + my $cid = $env{'request.course.id'}; + $cdom = $env{'course.'.$cid.'.domain'}; + $cnum = $env{'course.'.$cid.'.num'}; + } + my $typesref; + if (($type eq 'any') || ($type eq 'all')) { + $typesref = ['active','previous','future']; + } elsif ($type eq 'previous' || $type eq 'future') { + $typesref = [$type]; + } + my %roles = &get_my_roles($uname,$udom,'userroles', + $typesref,undef,[$cdom]); + my ($tmp) = keys(%roles); + return 0 if ($tmp =~ /^(con_lost|error|no_such_host)/i); + my @course_roles = grep(/^\Q$cnum\E:\Q$cdom\E:/, keys(%roles)); + if (@course_roles > 0) { + return 1; + } + return 0; +} + # --------- 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, @@ -2275,7 +3503,7 @@ sub process_coursefile { $home); } } elsif ($action eq 'uploaddoc') { - open(my $fh,'>'.$filepath.'/'.$fname); + open(my $fh,'>',$filepath.'/'.$fname); print $fh $env{'form.'.$source}; close($fh); if ($parser eq 'parse') { @@ -2289,7 +3517,7 @@ sub process_coursefile { } if (ref($mimetype)) { $$mimetype = $type; - } + } } $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, $home); @@ -2333,7 +3561,7 @@ sub store_edited_file { ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); $fpath=$docudom.'/'.$docuname.'/'.$fpath; my $filepath = &build_filepath($fpath); - open(my $fh,'>'.$filepath.'/'.$fname); + open(my $fh,'>',$filepath.'/'.$fname); print $fh $content; close($fh); my $home=&homeserver($docuname,$docudom); @@ -2358,6 +3586,9 @@ sub clean_filename { } # Replace spaces by underscores $fname=~s/\s+/\_/g; +# Transliterate non-ascii text to ascii + my $lang = &Apache::lonlocal::current_language(); + $fname = &LONCAPA::transliterate::fname_to_ascii($fname,$lang); # Replace all other weird characters by nothing $fname=~s{[^/\w\.\-]}{}g; # Replace all .\d. sequences with _\d. so they no longer look like version @@ -2365,6 +3596,7 @@ sub clean_filename { $fname=~s/\.(\d+)(?=\.)/_$1/g; return $fname; } + # This Function checks if an Image's dimensions exceed either $resizewidth (width) # or $resizeheight (height) - both pixels. If so, the image is scaled to produce an # image with the same aspect ratio as the original, but with dimensions which do @@ -2407,13 +3639,16 @@ sub resizeImage { # input: $formname - the contents of the file are in $env{"form.$formname"} # the desired filename is in $env{"form.$formname.filename"} # $context - possible values: coursedoc, existingfile, overwrite, -# canceloverwrite, or ''. +# canceloverwrite, scantron or ''. # if 'coursedoc': upload to the current course -# if 'existingfile': write file to tmp/overwrites directory +# if 'existingfile': write file to tmp/overwrites directory # if 'canceloverwrite': delete file written to tmp/overwrites directory -# $context is passed as argument to &finishuserfileupload +# $context is passed as argument to &finishuserfileupload # $subdir - directory in userfile to store the file into -# $parser - instruction to parse file for objects ($parser = parse) +# $parser - instruction to parse file for objects ($parser = parse) or +# if context is 'scantron', $parser is hashref of csv column mapping +# (e.g.,{ PaperID => 0, LastName => 1, FirstName => 2, ID => 3, +# Section => 4, CODE => 5, FirstQuestion => 9 }). # $allfiles - reference to hash for embedded objects # $codebase - reference to hash for codebase of java objects # $desuname - username for permanent storage of uploaded file @@ -2423,7 +3658,7 @@ sub resizeImage { # $resizewidth - width (pixels) to which to resize uploaded image # $resizeheight - height (pixels) to which to resize uploaded image # $mimetype - reference to scalar to accommodate mime type determined -# from File::MMagic if $parser = parse. +# from File::MMagic. # # output: url of file in userspace, or error: # or /adm/notfound.html if failure to upload occurse @@ -2436,6 +3671,14 @@ sub userfileupload { $fname=&clean_filename($fname); # See if there is anything left unless ($fname) { return 'error: no uploaded file'; } + # If filename now begins with a . prepend unix timestamp _ milliseconds + if ($fname =~ /^\./) { + my ($s,$usec) = &gettimeofday(); + while (length($usec) < 6) { + $usec = '0'.$usec; + } + $fname = $s.'_'.substr($usec,0,3).$fname; + } # Files uploaded to help request form, or uploaded to "create course" page are handled differently if ((($formname eq 'screenshot') && ($subdir eq 'helprequests')) || (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) || @@ -2449,12 +3692,12 @@ sub userfileupload { '_'.$env{'user.domain'}.'/pending'; } elsif (($context eq 'existingfile') || ($context eq 'canceloverwrite')) { my ($docuname,$docudom); - if ($destudom) { + if ($destudom =~ /^$match_domain$/) { $docudom = $destudom; } else { $docudom = $env{'user.domain'}; } - if ($destuname) { + if ($destuname =~ /^$match_username$/) { $docuname = $destuname; } else { $docuname = $env{'user.name'}; @@ -2484,7 +3727,7 @@ sub userfileupload { mkdir($fullpath,0777); } } - open(my $fh,'>'.$fullpath.'/'.$fname); + open(my $fh,'>',$fullpath.'/'.$fname); print $fh $env{'form.'.$formname}; close($fh); if ($context eq 'existingfile') { @@ -2508,7 +3751,9 @@ sub userfileupload { $codebase,$thumbwidth,$thumbheight, $resizewidth,$resizeheight,$context,$mimetype); } else { - $fname=$env{'form.folder'}.'/'.$fname; + if ($env{'form.folder'}) { + $fname=$env{'form.folder'}.'/'.$fname; + } return &process_coursefile('uploaddoc',$docuname,$docudom, $fname,$formname,$parser, $allfiles,$codebase,$mimetype); @@ -2523,7 +3768,7 @@ sub userfileupload { } else { my $docuname=$env{'user.name'}; my $docudom=$env{'user.domain'}; - if (exists($env{'form.group'})) { + if ((exists($env{'form.group'})) || ($context eq 'syllabus')) { $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; } @@ -2557,17 +3802,17 @@ sub finishuserfileupload { # Save the file { - if (!open(FH,'>'.$filepath.'/'.$file)) { + if (!open(FH,'>',$filepath.'/'.$file)) { &logthis('Failed to create '.$filepath.'/'.$file); print STDERR ('Failed to create '.$filepath.'/'.$file."\n"); return '/adm/notfound.html'; } if ($context eq 'overwrite') { - my $source = $perlvar{'lonDaemons'}.'/tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$fname; + my $source = LONCAPA::tempdir().'/overwrites/'.$docudom.'/'.$docuname.'/'.$fname; my $target = $filepath.'/'.$file; if (-e $source) { my @info = stat($source); - if ($info[9] eq $env{'form.timestamp'}) { + if ($info[9] eq $env{'form.timestamp'}) { unless (&File::Copy::move($source,$target)) { &logthis('Failed to overwrite '.$filepath.'/'.$file); return "Moving from $source failed"; @@ -2578,7 +3823,7 @@ sub finishuserfileupload { } else { return "Temporary file: $source missing"; } - } elsif (!print FH ($env{'form.'.$formname})) { + } elsif (!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'; @@ -2592,10 +3837,17 @@ sub finishuserfileupload { } } } - if ($parser eq 'parse') { - my $mm = new File::MMagic; - my $type = $mm->checktype_filename($filepath.'/'.$file); - if ($type eq 'text/html') { + if (($context eq 'coursedoc') || ($parser eq 'parse')) { + if (ref($mimetype)) { + if ($$mimetype eq '') { + my $mm = new File::MMagic; + my $type = $mm->checktype_filename($filepath.'/'.$file); + $$mimetype = $type; + } + } + } + if (($context ne 'scantron') && ($parser eq 'parse')) { + if ((ref($mimetype)) && ($$mimetype eq 'text/html')) { my $parse_result = &extract_embedded_items($filepath.'/'.$file, $allfiles,$codebase); unless ($parse_result eq 'ok') { @@ -2603,15 +3855,16 @@ sub finishuserfileupload { ' for embedded media: '.$parse_result); } } - if (ref($mimetype)) { - $$mimetype = $type; - } + } elsif (($context eq 'scantron') && (ref($parser) eq 'HASH')) { + my $format = $env{'form.scantron_format'}; + &bubblesheet_converter($docudom,$filepath.'/'.$file,$parser,$format); } if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) { my $input = $filepath.'/'.$file; my $output = $filepath.'/'.'tn-'.$file; my $thumbsize = $thumbwidth.'x'.$thumbheight; - system("convert -sample $thumbsize $input $output"); + my @args = ('convert','-sample',$thumbsize,$input,$output); + system({$args[0]} @args); if (-e $filepath.'/'.'tn-'.$file) { $fetchthumb = 1; } @@ -2642,6 +3895,7 @@ sub finishuserfileupload { sub extract_embedded_items { my ($fullpath,$allfiles,$codebase,$content) = @_; my @state = (); + my (%lastids,%related,%shockwave,%flashvars); my %javafiles = ( codebase => '', code => '', @@ -2668,13 +3922,35 @@ sub extract_embedded_items { &add_filetype($allfiles,$attr->{'src'},'src'); } if (lc($tagname) eq 'a') { - &add_filetype($allfiles,$attr->{'href'},'href'); + unless (($attr->{'href'} =~ /^#/) || ($attr->{'href'} eq '')) { + &add_filetype($allfiles,$attr->{'href'},'href'); + } } if (lc($tagname) eq 'script') { + my $src; if ($attr->{'archive'} =~ /\.jar$/i) { &add_filetype($allfiles,$attr->{'archive'},'archive'); } else { - &add_filetype($allfiles,$attr->{'src'},'src'); + if ($attr->{'src'} ne '') { + $src = $attr->{'src'}; + &add_filetype($allfiles,$src,'src'); + } + } + my $text = $p->get_trimmed_text(); + if ($text =~ /\Qswfobject.registerObject(\E([^\)]+)\)/) { + my @swfargs = split(/,/,$1); + foreach my $item (@swfargs) { + $item =~ s/["']//g; + $item =~ s/^\s+//; + $item =~ s/\s+$//; + } + if (($swfargs[0] ne'') && ($swfargs[2] ne '')) { + if (ref($related{$swfargs[0]}) eq 'ARRAY') { + push(@{$related{$swfargs[0]}},$swfargs[2]); + } else { + $related{$swfargs[0]} = [$swfargs[2]]; + } + } } } if (lc($tagname) eq 'link') { @@ -2687,6 +3963,9 @@ sub extract_embedded_items { foreach my $item (keys(%javafiles)) { $javafiles{$item} = ''; } + if ((lc($tagname) eq 'object') && (lc($state[-2]) ne 'object')) { + $lastids{lc($tagname)} = $attr->{'id'}; + } } if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') { my $name = lc($attr->{'name'}); @@ -2696,12 +3975,22 @@ sub extract_embedded_items { last; } } + my $pathfrom; foreach my $item (keys(%mediafiles)) { if ($name eq $item) { - &add_filetype($allfiles, $attr->{'value'}, 'value'); + $pathfrom = $attr->{'value'}; + $shockwave{$lastids{lc($state[-2])}} = $pathfrom; + &add_filetype($allfiles,$pathfrom,$name); last; } } + if ($name eq 'flashvars') { + $flashvars{$lastids{lc($state[-2])}} = $attr->{'value'}; + } + if ($pathfrom ne '') { + &embedded_dependency($allfiles,\%related,$lastids{lc($state[-2])}, + $pathfrom); + } } if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') { foreach my $item (keys(%javafiles)) { @@ -2716,7 +4005,34 @@ sub extract_embedded_items { last; } } + if (lc($tagname) eq 'embed') { + if (($attr->{'name'} ne '') && ($attr->{'src'} ne '')) { + &embedded_dependency($allfiles,\%related,$attr->{'name'}, + $attr->{'src'}); + } + } } + if (lc($tagname) eq 'iframe') { + my $src = $attr->{'src'} ; + if (($src ne '') && ($src !~ m{^(/|https?://)})) { + &add_filetype($allfiles,$src,'src'); + } elsif ($src =~ m{^/}) { + if ($env{'request.course.id'}) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $url = &hreflocation('',$fullpath); + if ($url =~ m{^/uploaded/$cdom/$cnum/docs/(\w+/\d+)/}) { + my $relpath = $1; + if ($src =~ m{^/uploaded/$cdom/$cnum/docs/\Q$relpath\E/(.+)$}) { + &add_filetype($allfiles,$1,'src'); + } + } + } + } + } + if ($t->[4] =~ m{/>$}) { + pop(@state); + } } elsif ($t->[0] eq 'E') { my ($tagname) = ($t->[1]); if ($javafiles{'codebase'} ne '') { @@ -2736,6 +4052,23 @@ sub extract_embedded_items { pop @state; } } + foreach my $id (sort(keys(%flashvars))) { + if ($shockwave{$id} ne '') { + my @pairs = split(/\&/,$flashvars{$id}); + foreach my $pair (@pairs) { + my ($key,$value) = split(/\=/,$pair); + if ($key eq 'thumb') { + &add_filetype($allfiles,$value,$key); + } elsif ($key eq 'content') { + my ($path) = ($shockwave{$id} =~ m{^(.+/)[^/]+$}); + my ($ext) = ($value =~ /\.([^.]+)$/); + if ($ext ne '') { + &add_filetype($allfiles,$path.$value,$ext); + } + } + } + } + } return 'ok'; } @@ -2750,6 +4083,261 @@ sub add_filetype { } } +sub embedded_dependency { + my ($allfiles,$related,$identifier,$pathfrom) = @_; + if ((ref($allfiles) eq 'HASH') && (ref($related) eq 'HASH')) { + if (($identifier ne '') && + (ref($related->{$identifier}) eq 'ARRAY') && + ($pathfrom ne '')) { + my ($path) = ($pathfrom =~ m{^(.+/)[^/]+$}); + foreach my $dep (@{$related->{$identifier}}) { + &add_filetype($allfiles,$path.$dep,'object'); + } + } + } + return; +} + +sub bubblesheet_converter { + my ($cdom,$fullpath,$config,$format) = @_; + if ((&domain($cdom) ne '') && + ($fullpath =~ m{^\Q$perlvar{'lonDocRoot'}/userfiles/$cdom/\E$match_courseid/scantron_orig}) && + (-e $fullpath) && (ref($config) eq 'HASH') && ($format ne '')) { + my (%csvcols,%csvoptions); + if (ref($config->{'fields'}) eq 'HASH') { + %csvcols = %{$config->{'fields'}}; + } + if (ref($config->{'options'}) eq 'HASH') { + %csvoptions = %{$config->{'options'}}; + } + my %csvbynum = reverse(%csvcols); + my %scantronconf = &get_scantron_config($format,$cdom); + if (keys(%scantronconf)) { + my %bynum = ( + $scantronconf{CODEstart} => 'CODEstart', + $scantronconf{IDstart} => 'IDstart', + $scantronconf{PaperID} => 'PaperID', + $scantronconf{FirstName} => 'FirstName', + $scantronconf{LastName} => 'LastName', + $scantronconf{Qstart} => 'Qstart', + ); + my @ordered; + foreach my $item (sort { $a <=> $b } keys(%bynum)) { + push(@ordered,$bynum{$item}); + } + my %mapstart = ( + CODEstart => 'CODE', + IDstart => 'ID', + PaperID => 'PaperID', + FirstName => 'FirstName', + LastName => 'LastName', + Qstart => 'FirstQuestion', + ); + my %maplength = ( + CODEstart => 'CODElength', + IDstart => 'IDlength', + PaperID => 'PaperIDlength', + FirstName => 'FirstNamelength', + LastName => 'LastNamelength', + ); + if (open(my $fh,'<',$fullpath)) { + my $output; + my %lettdig = &letter_to_digits(); + my %diglett = reverse(%lettdig); + my $numletts = scalar(keys(%lettdig)); + my $num = 0; + while (my $line=<$fh>) { + $num ++; + next if (($num == 1) && ($csvoptions{'hdr'} == 1)); + $line =~ s{[\r\n]+$}{}; + my %found; + my @values = split(/,/,$line); + my ($qstart,$record); + for (my $i=0; $i<@values; $i++) { + if ((($qstart ne '') && ($i > $qstart)) || + ($csvbynum{$i} eq 'FirstQuestion')) { + if ($values[$i] eq '') { + $values[$i] = $scantronconf{'Qoff'}; + } elsif ($scantronconf{'Qon'} eq 'number') { + if ($values[$i] =~ /^[A-Ja-j]$/) { + $values[$i] = $lettdig{uc($values[$i])}; + } + } elsif ($scantronconf{'Qon'} eq 'letter') { + if ($values[$i] =~ /^[0-9]$/) { + $values[$i] = $diglett{$values[$i]}; + } + } else { + if ($values[$i] =~ /^[0-9A-Ja-j]$/) { + my $digit; + if ($values[$i] =~ /^[A-Ja-j]$/) { + $digit = $lettdig{uc($values[$i])}-1; + if ($values[$i] eq 'J') { + $digit += $numletts; + } + } elsif ($values[$i] =~ /^[0-9]$/) { + $digit = $values[$i]-1; + if ($values[$i] eq '0') { + $digit += $numletts; + } + } + my $qval=''; + for (my $j=0; $j<$scantronconf{'Qlength'}; $j++) { + if ($j == $digit) { + $qval .= $scantronconf{'Qon'}; + } else { + $qval .= $scantronconf{'Qoff'}; + } + } + $values[$i] = $qval; + } + } + if (length($values[$i]) > $scantronconf{'Qlength'}) { + $values[$i] = substr($values[$i],0,$scantronconf{'Qlength'}); + } + my $numblank = $scantronconf{'Qlength'} - length($values[$i]); + if ($numblank > 0) { + $values[$i] .= ($scantronconf{'Qoff'} x $numblank); + } + if ($csvbynum{$i} eq 'FirstQuestion') { + $qstart = $i; + $found{$csvbynum{$i}} = $values[$i]; + } else { + $found{'FirstQuestion'} .= $values[$i]; + } + } elsif (exists($csvbynum{$i})) { + if ($csvoptions{'rem'}) { + $values[$i] =~ s/^\s+//; + } + if (($csvbynum{$i} eq 'PaperID') && ($csvoptions{'pad'})) { + while (length($values[$i]) < $scantronconf{$maplength{$csvbynum{$i}}}) { + $values[$i] = '0'.$values[$i]; + } + } + $found{$csvbynum{$i}} = $values[$i]; + } + } + foreach my $item (@ordered) { + my $currlength = 1+length($record); + my $numspaces = $scantronconf{$item} - $currlength; + if ($numspaces > 0) { + $record .= (' ' x $numspaces); + } + if (($mapstart{$item} ne '') && (exists($found{$mapstart{$item}}))) { + unless ($item eq 'Qstart') { + if (length($found{$mapstart{$item}}) > $scantronconf{$maplength{$item}}) { + $found{$mapstart{$item}} = substr($found{$mapstart{$item}},0,$scantronconf{$maplength{$item}}); + } + } + $record .= $found{$mapstart{$item}}; + } + } + $output .= "$record\n"; + } + close($fh); + if ($output) { + if (open(my $fh,'>',$fullpath)) { + print $fh $output; + close($fh); + } + } + } + } + return; + } +} + +sub letter_to_digits { + my %lettdig = ( + A => 1, + B => 2, + C => 3, + D => 4, + E => 5, + F => 6, + G => 7, + H => 8, + I => 9, + J => 0, + ); + return %lettdig; +} + +sub get_scantron_config { + my ($which,$cdom) = @_; + my @lines = &get_scantronformat_file($cdom); + my %config; + #FIXME probably should move to XML it has already gotten a bit much now + foreach my $line (@lines) { + my ($name,$descrip)=split(/:/,$line); + if ($name ne $which ) { next; } + chomp($line); + my @config=split(/:/,$line); + $config{'name'}=$config[0]; + $config{'description'}=$config[1]; + $config{'CODElocation'}=$config[2]; + $config{'CODEstart'}=$config[3]; + $config{'CODElength'}=$config[4]; + $config{'IDstart'}=$config[5]; + $config{'IDlength'}=$config[6]; + $config{'Qstart'}=$config[7]; + $config{'Qlength'}=$config[8]; + $config{'Qoff'}=$config[9]; + $config{'Qon'}=$config[10]; + $config{'PaperID'}=$config[11]; + $config{'PaperIDlength'}=$config[12]; + $config{'FirstName'}=$config[13]; + $config{'FirstNamelength'}=$config[14]; + $config{'LastName'}=$config[15]; + $config{'LastNamelength'}=$config[16]; + $config{'BubblesPerRow'}=$config[17]; + last; + } + return %config; +} + +sub get_scantronformat_file { + my ($cdom) = @_; + if ($cdom eq '') { + $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'}; + } + my %domconfig = &get_dom('configuration',['scantron'],$cdom); + my $gottab = 0; + my @lines; + if (ref($domconfig{'scantron'}) eq 'HASH') { + if ($domconfig{'scantron'}{'scantronformat'} ne '') { + my $formatfile = &getfile($perlvar{'lonDocRoot'}.$domconfig{'scantron'}{'scantronformat'}); + if ($formatfile ne '-1') { + @lines = split("\n",$formatfile,-1); + $gottab = 1; + } + } + } + if (!$gottab) { + my $confname = $cdom.'-domainconfig'; + my $default = $perlvar{'lonDocRoot'}.'/res/'.$cdom.'/'.$confname.'/default.tab'; + my $formatfile = &getfile($default); + if ($formatfile ne '-1') { + @lines = split("\n",$formatfile,-1); + $gottab = 1; + } + } + if (!$gottab) { + my @domains = ¤t_machine_domains(); + if (grep(/^\Q$cdom\E$/,@domains)) { + if (open(my $fh,'<',$perlvar{'lonTabDir'}.'/scantronformat.tab')) { + @lines = <$fh>; + close($fh); + } + } else { + if (open(my $fh,'<',$perlvar{'lonTabDir'}.'/default_scantronformat.tab')) { + @lines = <$fh>; + close($fh); + } + } + } + return @lines; +} + sub removeuploadedurl { my ($url)=@_; my (undef,undef,$udom,$uname,$fname)=split('/',$url,5); @@ -2876,15 +4464,10 @@ sub flushcourselogs { 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)/($match_name)/(.*)___(\w+)$}); + if (($dom eq 'uploaded') || ($dom eq 'adm')) { next; } my %temphash=($entry => $accesshash{$entry}); if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { delete $accesshash{$entry}; @@ -2905,7 +4488,7 @@ sub flushcourselogs { } } # -# Reverse lookup of domain roles (dc, ad, li, sc, au) +# Reverse lookup of domain roles (dc, ad, li, sc, dh, da, au) # my %domrolebuffer = (); foreach my $entry (keys(%domainrolehash)) { @@ -2920,10 +4503,19 @@ sub flushcourselogs { delete $domainrolehash{$entry}; } foreach my $dom (keys(%domrolebuffer)) { - my %servers = &get_servers($dom,'library'); + my %servers; + if (defined(&domain($dom,'primary'))) { + my $primary=&domain($dom,'primary'); + my $hostname=&hostname($primary); + $servers{$primary} = $hostname; + } else { + %servers = &get_servers($dom,'library'); + } foreach my $tryserver (keys(%servers)) { - unless (&reply('domroleput:'.$dom.':'. - $domrolebuffer{$dom},$tryserver) eq 'ok') { + if (&reply('domroleput:'.$dom.':'. + $domrolebuffer{$dom},$tryserver) eq 'ok') { + last; + } else { &logthis('Put of domain roles failed for '.$dom.' and '.$tryserver); } } @@ -2963,7 +4555,7 @@ sub courseacclog { my $fnsymb=shift; unless ($env{'request.course.id'}) { return ''; } my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'}; - if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|task|page)$/) { + if ($fnsymb=~/$LONCAPA::assess_re/) { $what.=':POST'; # FIXME: Probably ought to escape things.... foreach my $key (keys(%env)) { @@ -2995,7 +4587,13 @@ sub countacc { my $url=&declutter(shift); return if (! defined($url) || $url eq ''); unless ($env{'request.course.id'}) { return ''; } +# +# Mark that this url was used in this course +# $accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1; +# +# Increase the access count for this resource in this child process +# my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count'; $accesshash{$key}++; } @@ -3007,31 +4605,37 @@ sub linklog { $accesshash{$from.'___'.$to.'___comefrom'}=1; $accesshash{$to.'___'.$from.'___goto'}=1; } + +sub statslog { + my ($symb,$part,$users,$av_attempts,$degdiff)=@_; + if ($users<2) { return; } + my %dynstore=&LONCAPA::lonmetadata::dynamic_metadata_storage({ + 'course' => $env{'request.course.id'}, + 'sections' => '"all"', + 'num_students' => $users, + 'part' => $part, + 'symb' => $symb, + 'mean_tries' => $av_attempts, + 'deg_of_diff' => $degdiff}); + foreach my $key (keys(%dynstore)) { + $accesshash{$key}=$dynstore{$key}; + } +} sub userrolelog { my ($trole,$username,$domain,$area,$tstart,$tend)=@_; - if (($trole=~/^ca/) || ($trole=~/^aa/) || - ($trole=~/^in/) || ($trole=~/^cc/) || - ($trole=~/^ep/) || ($trole=~/^cr/) || - ($trole=~/^ta/) || ($trole=~/^co/)) { + if ( $trole =~ /^(ca|aa|in|cc|ep|cr|ta|co)/ ) { 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/) || - ($trole=~/^co/))) { + if ($env{'request.role'} =~ /dc\./ && $trole =~ /^(au|in|cc|ep|cr|ta|co)/) { $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/)) { + if ($trole =~ /^(dc|ad|li|au|dg|sc|dh|da)/ ) { my (undef,$rudom,$runame,$rsec)=split(/\//,$area); $domainrolehash {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} @@ -3041,38 +4645,70 @@ sub userrolelog { sub courserolelog { my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$selfenroll,$context)=@_; - if (($trole eq 'cc') || ($trole eq 'in') || - ($trole eq 'ep') || ($trole eq 'ad') || - ($trole eq 'ta') || ($trole eq 'st') || - ($trole=~/^cr/) || ($trole eq 'gr') || - ($trole eq 'co')) { - if ($area =~ m-^/($match_domain)/($match_courseid)/?([^/]*)-) { - my $cdom = $1; - my $cnum = $2; - my $sec = $3; - my $namespace = 'rolelog'; - my %storehash = ( - role => $trole, - start => $tstart, - end => $tend, - selfenroll => $selfenroll, - context => $context, - ); - if ($trole eq 'gr') { - $namespace = 'groupslog'; - $storehash{'group'} = $sec; - } else { - $storehash{'section'} = $sec; - } - &instructor_log($namespace,\%storehash,$delflag,$username,$domain,$cnum,$cdom); - if (($trole ne 'st') || ($sec ne '')) { - &devalidate_cache_new('getcourseroles',$cdom.'_'.$cnum); - } + if ($area =~ m-^/($match_domain)/($match_courseid)/?([^/]*)-) { + my $cdom = $1; + my $cnum = $2; + my $sec = $3; + my $namespace = 'rolelog'; + my %storehash = ( + role => $trole, + start => $tstart, + end => $tend, + selfenroll => $selfenroll, + context => $context, + ); + if ($trole eq 'gr') { + $namespace = 'groupslog'; + $storehash{'group'} = $sec; + } else { + $storehash{'section'} = $sec; + } + &write_log('course',$namespace,\%storehash,$delflag,$username, + $domain,$cnum,$cdom); + if (($trole ne 'st') || ($sec ne '')) { + &devalidate_cache_new('getcourseroles',$cdom.'_'.$cnum); } } return; } +sub domainrolelog { + my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_; + if ($area =~ m{^/($match_domain)/$}) { + my $cdom = $1; + my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom); + my $namespace = 'rolelog'; + my %storehash = ( + role => $trole, + start => $tstart, + end => $tend, + context => $context, + ); + &write_log('domain',$namespace,\%storehash,$delflag,$username, + $domain,$domconfiguser,$cdom); + } + return; + +} + +sub coauthorrolelog { + my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_; + if ($area =~ m{^/($match_domain)/($match_username)$}) { + my $audom = $1; + my $auname = $2; + my $namespace = 'rolelog'; + my %storehash = ( + role => $trole, + start => $tstart, + end => $tend, + context => $context, + ); + &write_log('author',$namespace,\%storehash,$delflag,$username, + $domain,$auname,$audom); + } + return; +} + sub get_course_adv_roles { my ($cid,$codes) = @_; $cid=$env{'request.course.id'} unless (defined($cid)); @@ -3086,6 +4722,10 @@ sub get_course_adv_roles { $nothide{$user}=1; } } + my @possdoms = ($coursehash{'domain'}); + if ($coursehash{'checkforpriv'}) { + push(@possdoms,split(/,/,$coursehash{'checkforpriv'})); + } my %returnhash=(); my %dumphash= &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'}); @@ -3098,20 +4738,7 @@ sub get_course_adv_roles { if (($tstart) && ($now<$tstart)) { next; } my ($role,$username,$domain,$section)=split(/\:/,$entry); if ($username eq '' || $domain eq '') { next; } - unless (ref($privileged{$domain}) eq 'HASH') { - my %dompersonnel = - &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now); - $privileged{$domain} = {}; - foreach my $server (keys(%dompersonnel)) { - if (ref($dompersonnel{$server}) eq 'HASH') { - foreach my $user (keys(%{$dompersonnel{$server}})) { - my ($trole,$uname,$udom) = split(/:/,$user); - $privileged{$udom}{$uname} = 1; - } - } - } - } - if ((exists($privileged{$domain}{$username})) && + if ((&privileged($username,$domain,\@possdoms)) && (!$nothide{$username.':'.$domain})) { next; } if ($role eq 'cr') { next; } if ($codes) { @@ -3139,12 +4766,10 @@ sub get_my_roles { unless (defined($uname)) { $uname=$env{'user.name'}; } unless (defined($udom)) { $udom=$env{'user.domain'}; } my (%dumphash,%nothide); - if ($context eq 'userroles') { - my $extra = &freeze_escape({'skipcheck' => 1}); - %dumphash = &dump('roles',$udom,$uname,'.',undef,$extra); + if ($context eq 'userroles') { + %dumphash = &dump('roles',$udom,$uname); } else { - %dumphash= - &dump('nohist_userroles',$udom,$uname); + %dumphash = &dump('nohist_userroles',$udom,$uname); if ($hidepriv) { my %coursehash=&coursedescription($udom.'_'.$uname); foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { @@ -3162,6 +4787,7 @@ sub get_my_roles { foreach my $entry (keys(%dumphash)) { my ($role,$tend,$tstart); if ($context eq 'userroles') { + next if ($entry =~ /^rolesdef/); ($role,$tend,$tstart)=split(/_/,$dumphash{$entry}); } else { ($tend,$tstart)=split(/\:/,$dumphash{$entry}); @@ -3185,7 +4811,7 @@ sub get_my_roles { } my ($rolecode,$username,$domain,$section,$area); if ($context eq 'userroles') { - ($area,$rolecode) = split(/_/,$entry); + ($area,$rolecode) = ($entry =~ /^(.+)_([^_]+)$/); (undef,$domain,$username,$section) = split(/\//,$area); } else { ($role,$username,$domain,$section) = split(/\:/,$entry); @@ -3201,34 +4827,25 @@ sub get_my_roles { if (!grep(/^cr$/,@{$roles})) { next; } + } elsif ($role =~ /^gr\//) { + if (!grep(/^gr$/,@{$roles})) { + next; + } } else { next; } } } if ($hidepriv) { + my @privroles = ('dc','su'); if ($context eq 'userroles') { - if ((&privileged($username,$domain)) && - (!$nothide{$username.':'.$domain})) { - next; - } + next if (grep(/^\Q$role\E$/,@privroles)); } else { - unless (ref($privileged{$domain}) eq 'HASH') { - my %dompersonnel = - &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now); - $privileged{$domain} = {}; - if (keys(%dompersonnel)) { - foreach my $server (keys(%dompersonnel)) { - if (ref($dompersonnel{$server}) eq 'HASH') { - foreach my $user (keys(%{$dompersonnel{$server}})) { - my ($trole,$uname,$udom) = split(/:/,$user); - $privileged{$udom}{$uname} = $trole; - } - } - } - } + my $possdoms = [$domain]; + if (ref($roledoms) eq 'ARRAY') { + push(@{$possdoms},@{$roledoms}); } - if (exists($privileged{$domain}{$username})) { + if (&privileged($username,$domain,$possdoms,\@privroles)) { if (!$nothide{$username.':'.$domain}) { next; } @@ -3245,6 +4862,195 @@ sub get_my_roles { return %returnhash; } +sub get_all_adhocroles { + my ($dom) = @_; + my @roles_by_num = (); + my %domdefaults = &get_domain_defaults($dom); + my (%description,%access_in_dom,%access_info); + if (ref($domdefaults{'adhocroles'}) eq 'HASH') { + my $count = 0; + my %domcurrent = %{$domdefaults{'adhocroles'}}; + my %ordered; + foreach my $role (sort(keys(%domcurrent))) { + my ($order,$desc,$access_in_dom); + if (ref($domcurrent{$role}) eq 'HASH') { + $order = $domcurrent{$role}{'order'}; + $desc = $domcurrent{$role}{'desc'}; + $access_in_dom{$role} = $domcurrent{$role}{'access'}; + $access_info{$role} = $domcurrent{$role}{$access_in_dom{$role}}; + } + if ($order eq '') { + $order = $count; + } + $ordered{$order} = $role; + if ($desc ne '') { + $description{$role} = $desc; + } else { + $description{$role}= $role; + } + $count++; + } + foreach my $item (sort {$a <=> $b } (keys(%ordered))) { + push(@roles_by_num,$ordered{$item}); + } + } + return (\@roles_by_num,\%description,\%access_in_dom,\%access_info); +} + +sub get_my_adhocroles { + my ($cid,$checkreg) = @_; + my ($cdom,$cnum,%info,@possroles,$description,$roles_by_num); + if ($env{'request.course.id'} eq $cid) { + $cdom = $env{'course.'.$cid.'.domain'}; + $cnum = $env{'course.'.$cid.'.num'}; + $info{'internal.coursecode'} = $env{'course.'.$cid.'.internal.coursecode'}; + } elsif ($cid =~ /^($match_domain)_($match_courseid)$/) { + $cdom = $1; + $cnum = $2; + %info = &Apache::lonnet::get('environment',['internal.coursecode'], + $cdom,$cnum); + } + if (($info{'internal.coursecode'} ne '') && ($checkreg)) { + my $user = $env{'user.name'}.':'.$env{'user.domain'}; + my %rosterhash = &get('classlist',[$user],$cdom,$cnum); + if ($rosterhash{$user} ne '') { + my $type = (split(/:/,$rosterhash{$user}))[5]; + return ([],{}) if ($type eq 'auto'); + } + } + if (($cdom ne '') && ($cnum ne '')) { + if (($env{"user.role.dh./$cdom/"}) || ($env{"user.role.da./$cdom/"})) { + my $then=$env{'user.login.time'}; + my $update=$env{'user.update.time'}; + if (!$update) { + $update = $then; + } + my @liveroles; + foreach my $role ('dh','da') { + if ($env{"user.role.$role./$cdom/"}) { + my ($tstart,$tend)=split(/\./,$env{"user.role.$role./$cdom/"}); + my $limit = $update; + if ($env{'request.role'} eq "$role./$cdom/") { + $limit = $then; + } + my $activerole = 1; + if ($tstart && $tstart>$limit) { $activerole = 0; } + if ($tend && $tend <$limit) { $activerole = 0; } + if ($activerole) { + push(@liveroles,$role); + } + } + } + if (@liveroles) { + if (&homeserver($cnum,$cdom) ne 'no_host') { + my ($accessref,$accessinfo,%access_in_dom); + ($roles_by_num,$description,$accessref,$accessinfo) = &get_all_adhocroles($cdom); + if (ref($roles_by_num) eq 'ARRAY') { + if (@{$roles_by_num}) { + my %settings; + if ($env{'request.course.id'} eq $cid) { + foreach my $envkey (keys(%env)) { + if ($envkey =~ /^\Qcourse.$cid.\E(internal\.adhoc.+)$/) { + $settings{$1} = $env{$envkey}; + } + } + } else { + %settings = &dump('environment',$cdom,$cnum,'internal\.adhoc'); + } + my %setincrs; + if ($settings{'internal.adhocaccess'}) { + map { $setincrs{$_} = 1; } split(/,/,$settings{'internal.adhocaccess'}); + } + my @statuses; + if ($env{'environment.inststatus'}) { + @statuses = split(/,/,$env{'environment.inststatus'}); + } + my $user = $env{'user.name'}.':'.$env{'user.domain'}; + if (ref($accessref) eq 'HASH') { + %access_in_dom = %{$accessref}; + } + foreach my $role (@{$roles_by_num}) { + my ($curraccess,@okstatus,@personnel); + if ($setincrs{$role}) { + ($curraccess,my $rest) = split(/=/,$settings{'internal.adhoc.'.$role}); + if ($curraccess eq 'status') { + @okstatus = split(/\&/,$rest); + } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) { + @personnel = split(/\&/,$rest); + } + } else { + $curraccess = $access_in_dom{$role}; + if (ref($accessinfo) eq 'HASH') { + if ($curraccess eq 'status') { + if (ref($accessinfo->{$role}) eq 'ARRAY') { + @okstatus = @{$accessinfo->{$role}}; + } + } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) { + if (ref($accessinfo->{$role}) eq 'ARRAY') { + @personnel = @{$accessinfo->{$role}}; + } + } + } + } + if ($curraccess eq 'none') { + next; + } elsif ($curraccess eq 'all') { + push(@possroles,$role); + } elsif ($curraccess eq 'dh') { + if (grep(/^dh$/,@liveroles)) { + push(@possroles,$role); + } else { + next; + } + } elsif ($curraccess eq 'da') { + if (grep(/^da$/,@liveroles)) { + push(@possroles,$role); + } else { + next; + } + } elsif ($curraccess eq 'status') { + if (@okstatus) { + if (!@statuses) { + if (grep(/^default$/,@okstatus)) { + push(@possroles,$role); + } + } else { + foreach my $status (@okstatus) { + if (grep(/^\Q$status\E$/,@statuses)) { + push(@possroles,$role); + last; + } + } + } + } + } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) { + if (grep(/^\Q$user\E$/,@personnel)) { + if ($curraccess eq 'exc') { + push(@possroles,$role); + } + } elsif ($curraccess eq 'inc') { + push(@possroles,$role); + } + } + } + } + } + } + } + } + } + unless (ref($description) eq 'HASH') { + if (ref($roles_by_num) eq 'ARRAY') { + my %desc; + map { $desc{$_} = $_; } (@{$roles_by_num}); + $description = \%desc; + } else { + $description = {}; + } + } + return (\@possroles,$description); +} + # ----------------------------------------------------- Frontpage Announcements # # @@ -3258,7 +5064,7 @@ sub postannounce { sub getannounce { - if (open(my $fh,$perlvar{'lonDocRoot'}.'/announcement.txt')) { + if (open(my $fh,"<",$perlvar{'lonDocRoot'}.'/announcement.txt')) { my $announcement=''; while (my $line = <$fh>) { $announcement .= $line; } close($fh); @@ -3320,7 +5126,8 @@ sub courseiddump { my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter, $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok, $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone, - $cloneonly,$createdbefore,$createdafter,$creationcontext,$domcloner)=@_; + $cloneonly,$createdbefore,$createdafter,$creationcontext,$domcloner, + $hasuniquecode,$reqcrsdom,$reqinstcode)=@_; my $as_hash = 1; my %returnhash; if (!$domfilter) { $domfilter=''; } @@ -3332,18 +5139,33 @@ sub courseiddump { 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.':'. - &escape($selfenrollonly).':'.&escape($catfilter).':'. - $showhidden.':'.$caller.':'.&escape($cloner).':'. - &escape($cc_clone).':'.$cloneonly.':'. - &escape($createdbefore).':'.&escape($createdafter).':'. - &escape($creationcontext).':'.$domcloner, - $tryserver); + my $rep; + if (grep { $_ eq $tryserver } ¤t_machine_ids()) { + $rep = &LONCAPA::Lond::dump_course_id_handler( + join(":", (&host_domain($tryserver), $sincefilter, + &escape($descfilter), &escape($instcodefilter), + &escape($ownerfilter), &escape($coursefilter), + &escape($typefilter), &escape($regexp_ok), + $as_hash, &escape($selfenrollonly), + &escape($catfilter), $showhidden, $caller, + &escape($cloner), &escape($cc_clone), $cloneonly, + &escape($createdbefore), &escape($createdafter), + &escape($creationcontext),$domcloner,$hasuniquecode, + $reqcrsdom,&escape($reqinstcode)))); + } else { + $rep = &reply('courseiddump:'.&host_domain($tryserver).':'. + $sincefilter.':'.&escape($descfilter).':'. + &escape($instcodefilter).':'.&escape($ownerfilter). + ':'.&escape($coursefilter).':'.&escape($typefilter). + ':'.&escape($regexp_ok).':'.$as_hash.':'. + &escape($selfenrollonly).':'.&escape($catfilter).':'. + $showhidden.':'.$caller.':'.&escape($cloner).':'. + &escape($cc_clone).':'.$cloneonly.':'. + &escape($createdbefore).':'.&escape($createdafter).':'. + &escape($creationcontext).':'.$domcloner.':'.$hasuniquecode. + ':'.$reqcrsdom.':'.&escape($reqinstcode),$tryserver); + } + my @pairs=split(/\&/,$rep); foreach my $item (@pairs) { my ($key,$value)=split(/\=/,$item,2); @@ -3449,7 +5271,7 @@ sub get_domain_roles { } my $rolelist; if (ref($roles) eq 'ARRAY') { - $rolelist = join(':',@{$roles}); + $rolelist = join('&',@{$roles}); } my %personnel = (); @@ -3469,13 +5291,51 @@ sub get_domain_roles { return %personnel; } -# ----------------------------------------------------------- Check out an item +sub get_active_domroles { + my ($dom,$roles) = @_; + return () unless (ref($roles) eq 'ARRAY'); + my $now = time; + my %dompersonnel = &get_domain_roles($dom,$roles,$now,$now); + my %domroles; + foreach my $server (keys(%dompersonnel)) { + foreach my $user (sort(keys(%{$dompersonnel{$server}}))) { + my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,$user); + $domroles{$uname.':'.$udom} = $dompersonnel{$server}{$user}; + } + } + return %domroles; +} + +# ----------------------------------------------------------- Interval timing + +{ +# Caches needed for speedup of navmaps +# We don't want to cache this for very long at all (5 seconds at most) +# +# The user for whom we cache +my $cachedkey=''; +# The cached times for this user +my %cachedtimes=(); +# When this was last done +my $cachedtime=''; + +sub load_all_first_access { + my ($uname,$udom)=@_; + if (($cachedkey eq $uname.':'.$udom) && + (abs($cachedtime-time)<5) && (!$env{'form.markaccess'})) { + return; + } + $cachedtime=time; + $cachedkey=$uname.':'.$udom; + %cachedtimes=&dump('firstaccesstimes',$udom,$uname); +} sub get_first_access { - my ($type,$argsymb)=@_; + my ($type,$argsymb,$argmap)=@_; my ($symb,$courseid,$udom,$uname)=&whichuser(); if ($argsymb) { $symb=$argsymb; } my ($map,$id,$res)=&decode_symb($symb); + if ($argmap) { $map = $argmap; } if ($type eq 'course') { $res='course'; } elsif ($type eq 'map') { @@ -3483,12 +5343,12 @@ sub get_first_access { } else { $res=$symb; } - my %times=&get('firstaccesstimes',["$courseid\0$res"],$udom,$uname); - return $times{"$courseid\0$res"}; + &load_all_first_access($uname,$udom); + return $cachedtimes{"$courseid\0$res"}; } sub set_first_access { - my ($type)=@_; + my ($type,$interval)=@_; my ($symb,$courseid,$udom,$uname)=&whichuser(); my ($map,$id,$res)=&decode_symb($symb); if ($type eq 'course') { @@ -3498,12 +5358,38 @@ sub set_first_access { } else { $res=$symb; } - my $firstaccess=&get_first_access($type,$symb); - if (!$firstaccess) { - return &put('firstaccesstimes',{"$courseid\0$res"=>time},$udom,$uname); + $cachedkey=''; + my $firstaccess=&get_first_access($type,$symb,$map); + if ($firstaccess) { + &logthis("First access time already set ($firstaccess) when attempting ". + "to set new value (type: $type, extent: $res) for $uname:$udom ". + "in $courseid"); + return 'already_set'; + } else { + my $start = time; + my $putres = &put('firstaccesstimes',{"$courseid\0$res"=>$start}, + $udom,$uname); + if ($putres eq 'ok') { + &put('timerinterval',{"$courseid\0$res"=>$interval}, + $udom,$uname); + &appenv( + { + 'course.'.$courseid.'.firstaccess.'.$res => $start, + 'course.'.$courseid.'.timerinterval.'.$res => $interval, + } + ); + if (($cachedtime) && (abs($start-$cachedtime) < 5)) { + $cachedtimes{"$courseid\0$res"} = $start; + } + } elsif ($putres ne 'refused') { + &logthis("Result: $putres when attempting to set first access time ". + "(type: $type, extent: $res) for $uname:$udom in $courseid"); + } + return $putres; } return 'already_set'; } +} sub checkout { my ($symb,$tuname,$tudom,$tcrsid)=@_; @@ -3515,13 +5401,13 @@ sub checkout { $tudom.'&'. $tcrsid.'&'. $symb.'&'. - $now.'&'.$ENV{'REMOTE_ADDR'}); + $now.'&'.$ENV{'REMOTE_ADDR'}); my $token=&reply('tmpput:'.$infostr,$lonhost); - if ($token=~/^error\:/) { + if ($token=~/^error\:/) { &logthis("WARNING: ". "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. ""); - return ''; + return ''; } $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/; @@ -3537,12 +5423,12 @@ sub checkout { &logthis("WARNING: ". "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. ""); - } + } if (&log($tudom,$tuname,&homeserver($tuname,$tudom), &escape('Checkout '.$infostr.' - '. $token)) ne 'ok') { - return ''; + return ''; } else { &logthis("WARNING: ". "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. @@ -3567,7 +5453,7 @@ sub checkin { &logthis('Check in '.$token.' ('.$dtoken.') failed'); return ''; } - + unless (&allowed('mgr',$tcrsid)) { &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '. $env{'user.name'}.' - '.$env{'user.domain'}); @@ -3580,14 +5466,14 @@ sub checkin { unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { return ''; - } + } if (&log($tudom,$tuname,&homeserver($tuname,$tudom), &escape('Checkin - '.$token)) ne 'ok') { - return ''; + return ''; } - return ($symb,$tuname,$tudom,$tcrsid); + return ($symb,$tuname,$tudom,$tcrsid); } # --------------------------------------------- Set Expire Date for Spreadsheet @@ -3694,7 +5580,7 @@ sub hashref2str { $result.='='; #print("Got a ref of ".(ref($key))." skipping."); } else { - if ($key) {$result.=&escape($key).'=';} else { last; } + if (defined($key)) {$result.=&escape($key).'=';} else { last; } } if(ref($hashref->{$key}) eq 'ARRAY') { @@ -3846,7 +5732,7 @@ sub tmpreset { if ($domain eq 'public' && $stuname eq 'public') { $stuname=$ENV{'REMOTE_ADDR'}; } - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); my %hash; if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', @@ -3885,7 +5771,7 @@ sub tmpstore { } my $now=time; my %hash; - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', &GDBM_WRCREAT(),0640)) { @@ -3931,7 +5817,7 @@ sub tmprestore { $namespace=~s/\//\_/g; $namespace=~s/\W//g; my %hash; - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', &GDBM_READER(),0640)) { @@ -3960,7 +5846,7 @@ sub tmprestore { # ----------------------------------------------------------------------- Store sub store { - my ($storehash,$symb,$namespace,$domain,$stuname) = @_; + my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_; my $home=''; if ($stuname) { $home=&homeserver($stuname,$domain); } @@ -3990,13 +5876,13 @@ sub store { } $namevalue=~s/\&$//; &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); - return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); + return reply("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home"); } # -------------------------------------------------------------- Critical Store sub cstore { - my ($storehash,$symb,$namespace,$domain,$stuname) = @_; + my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_; my $home=''; if ($stuname) { $home=&homeserver($stuname,$domain); } @@ -4027,7 +5913,7 @@ sub cstore { $namevalue=~s/\&$//; &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); return critical - ("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); + ("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home"); } # --------------------------------------------------------------------- Restore @@ -4039,9 +5925,12 @@ sub restore { if ($stuname) { $home=&homeserver($stuname,$domain); } if (!$symb) { - unless ($symb=escape(&symbread())) { return ''; } + return if ($namespace eq 'courserequests'); + unless ($symb=escape(&symbread())) { return ''; } } else { - $symb=&escape(&symbclean($symb)); + unless ($namespace eq 'courserequests') { + $symb=&escape(&symbclean($symb)); + } } if (!$namespace) { unless ($namespace=$env{'request.course.id'}) { @@ -4068,6 +5957,8 @@ sub restore { } # ---------------------------------------------------------- Course Description +# +# sub coursedescription { my ($courseid,$args)=@_; @@ -4097,7 +5988,8 @@ sub coursedescription { return %returnhash; } - # get the data agin + # get the data again + if (!$args->{'one_time'}) { $envhash{'course.'.$normalid.'.last_cache'}=time; } @@ -4105,6 +5997,10 @@ sub coursedescription { if ($chome ne 'no_host') { %returnhash=&dump('environment',$cdomain,$cnum); if (!exists($returnhash{'con_lost'})) { + my $username = $env{'user.name'}; # Defult username + if(defined $args->{'user'}) { + $username = $args->{'user'}; + } $returnhash{'home'}= $chome; $returnhash{'domain'} = $cdomain; $returnhash{'num'} = $cnum; @@ -4115,8 +6011,8 @@ sub coursedescription { $envhash{'course.'.$normalid.'.'.$name}=$value; } $returnhash{'url'}=&clutter($returnhash{'url'}); - $returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. - $env{'user.name'}.'_'.$cdomain.'_'.$cnum; + $returnhash{'fn'}=LONCAPA::tempdir() . + $username.'_'.$cdomain.'_'.$cnum; $envhash{'course.'.$normalid.'.home'}=$chome; $envhash{'course.'.$normalid.'.domain'}=$cdomain; $envhash{'course.'.$normalid.'.num'}=$cnum; @@ -4169,109 +6065,217 @@ sub update_released_required { # -------------------------------------------------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 '') || - ($rolesdump =~ /^error:/)) { - 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; } - } - } - } + my ($username,$domain,$possdomains,$possroles)=@_; + my $now = time; + my $roles; + if (ref($possroles) eq 'ARRAY') { + $roles = $possroles; + } else { + $roles = ['dc','su']; + } + if (ref($possdomains) eq 'ARRAY') { + my %privileged = &privileged_by_domain($possdomains,$roles); + foreach my $dom (@{$possdomains}) { + if (($username =~ /^$match_username$/) && ($domain =~ /^$match_domain$/) && + (ref($privileged{$dom}) eq 'HASH')) { + foreach my $role (@{$roles}) { + if (ref($privileged{$dom}{$role}) eq 'HASH') { + if (exists($privileged{$dom}{$role}{$username.':'.$domain})) { + my ($end,$start) = split(/:/,$privileged{$dom}{$role}{$username.':'.$domain}); + return 1 unless (($end && $end < $now) || + ($start && $start > $now)); + } + } + } + } + } + } else { + my %rolesdump = &dump("roles", $domain, $username) or return 0; + my $now = time; + + for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys(%rolesdump)}) { + my ($trole, $tend, $tstart) = split(/_/, $role); + if (grep(/^\Q$trole\E$/,@{$roles})) { + return 1 unless ($tend && $tend < $now) + or ($tstart && $tstart > $now); + } + } } return 0; } +sub privileged_by_domain { + my ($domains,$roles) = @_; + my %privileged = (); + my $cachetime = 60*60*24; + my $now = time; + unless ((ref($domains) eq 'ARRAY') && (ref($roles) eq 'ARRAY')) { + return %privileged; + } + foreach my $dom (@{$domains}) { + next if (ref($privileged{$dom}) eq 'HASH'); + my $needroles; + foreach my $role (@{$roles}) { + my ($result,$cached)=&is_cached_new('priv_'.$role,$dom); + if (defined($cached)) { + if (ref($result) eq 'HASH') { + $privileged{$dom}{$role} = $result; + } + } else { + $needroles = 1; + } + } + if ($needroles) { + my %dompersonnel = &get_domain_roles($dom,$roles); + $privileged{$dom} = {}; + foreach my $server (keys(%dompersonnel)) { + if (ref($dompersonnel{$server}) eq 'HASH') { + foreach my $item (keys(%{$dompersonnel{$server}})) { + my ($trole,$uname,$udom,$rest) = split(/:/,$item,4); + my ($end,$start) = split(/:/,$dompersonnel{$server}{$item}); + next if ($end && $end < $now); + $privileged{$dom}{$trole}{$uname.':'.$udom} = + $dompersonnel{$server}{$item}; + } + } + } + if (ref($privileged{$dom}) eq 'HASH') { + foreach my $role (@{$roles}) { + if (ref($privileged{$dom}{$role}) eq 'HASH') { + &do_cache_new('priv_'.$role,$dom,$privileged{$dom}{$role},$cachetime); + } else { + my %hash = (); + &do_cache_new('priv_'.$role,$dom,\%hash,$cachetime); + } + } + } + } + } + return %privileged; +} + # -------------------------------------------------------- Get user privileges sub rolesinit { - my ($domain,$username,$authhost)=@_; - my $now=time; - my %userroles = ('user.login.time' => $now); - my $extra = &freeze_escape({'skipcheck' => 1}); - my $rolesdump=reply("dump:$domain:$username:roles:.::$extra",$authhost); - if (($rolesdump eq 'con_lost') || ($rolesdump eq '') || - ($rolesdump =~ /^error:/)) { - return \%userroles; + my ($domain, $username) = @_; + my %userroles = ('user.login.time' => time); + my %rolesdump = &dump("roles", $domain, $username) or return \%userroles; + + # firstaccess and timerinterval are related to timed maps/resources. + # also, blocking can be triggered by an activating timer + # it's saved in the user's %env. + my %firstaccess = &dump('firstaccesstimes', $domain, $username); + my %timerinterval = &dump('timerinterval', $domain, $username); + my (%coursetimerstarts, %firstaccchk, %firstaccenv, %coursetimerintervals, + %timerintchk, %timerintenv); + + foreach my $key (keys(%firstaccess)) { + my ($cid, $rest) = split(/\0/, $key); + $coursetimerstarts{$cid}{$rest} = $firstaccess{$key}; + } + + foreach my $key (keys(%timerinterval)) { + my ($cid,$rest) = split(/\0/,$key); + $coursetimerintervals{$cid}{$rest} = $timerinterval{$key}; } + my %allroles=(); - my %allgroups=(); - my $group_privs; + my %allgroups=(); - if ($rolesdump ne '') { - 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\//) { - &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); - } elsif ($trole eq 'gr') { - &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart); - } else { - &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); - } + for my $area (grep { ! /^rolesdef_/ } keys(%rolesdump)) { + my $role = $rolesdump{$area}; + $area =~ s/\_\w\w$//; + + my ($trole, $tend, $tstart, $group_privs); + + if ($role =~ /^cr/) { + # Custom role, defined by a user + # e.g., user.role.cr/msu/smith/mynewrole + if ($role =~ m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) { + $trole = $1; + ($tend, $tstart) = split('_', $2); + } else { + $trole = $role; } - } + } elsif ($role =~ m|^gr/|) { + # Role of member in a group, defined within a course/community + # e.g., user.role.gr/msu/04935610a19ee4a5fmsul1/leopards + ($trole, $tend, $tstart) = split(/_/, $role); + next if $tstart eq '-1'; + ($trole, $group_privs) = split(/\//, $trole); + $group_privs = &unescape($group_privs); + } else { + # Just a normal role, defined in roles.tab + ($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)}; + + # role expired or not available yet? + $trole = '' if ($tend != 0 && $tend < $userroles{'user.login.time'}) or + ($tstart != 0 && $tstart > $userroles{'user.login.time'}); + + next if $area eq '' or $trole eq ''; + + my $spec = "$trole.$area"; + my ($tdummy, $tdomain, $trest) = split(/\//, $area); + + if ($trole =~ /^cr\//) { + # Custom role, defined by a user + &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); + } elsif ($trole eq 'gr') { + # Role of a member in a group, defined within a course/community + &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart); + next; + } else { + # Normal role, defined in roles.tab + &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); + } + + my $cid = $tdomain.'_'.$trest; + unless ($firstaccchk{$cid}) { + if (ref($coursetimerstarts{$cid}) eq 'HASH') { + foreach my $item (keys(%{$coursetimerstarts{$cid}})) { + $firstaccenv{'course.'.$cid.'.firstaccess.'.$item} = + $coursetimerstarts{$cid}{$item}; + } + } + $firstaccchk{$cid} = 1; + } + unless ($timerintchk{$cid}) { + if (ref($coursetimerintervals{$cid}) eq 'HASH') { + foreach my $item (keys(%{$coursetimerintervals{$cid}})) { + $timerintenv{'course.'.$cid.'.timerinterval.'.$item} = + $coursetimerintervals{$cid}{$item}; + } + } + $timerintchk{$cid} = 1; } - my ($author,$adv) = &set_userprivs(\%userroles,\%allroles,\%allgroups); - $userroles{'user.adv'} = $adv; - $userroles{'user.author'} = $author; - $env{'user.adv'}=$adv; } - return \%userroles; + + @userroles{'user.author','user.adv','user.rar'} = &set_userprivs(\%userroles, + \%allroles, \%allgroups); + $env{'user.adv'} = $userroles{'user.adv'}; + $env{'user.rar'} = $userroles{'user.rar'}; + + return (\%userroles,\%firstaccenv,\%timerintenv); } sub set_arearole { - my ($trole,$area,$tstart,$tend,$domain,$username) = @_; + my ($trole,$area,$tstart,$tend,$domain,$username,$nolog) = @_; + unless ($nolog) { # log the associated role with the area - &userrolelog($trole,$username,$domain,$area,$tstart,$tend); + &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); + my $homsvr = &homeserver($rauthor,$rdomain); if (&hostname($homsvr) ne '') { my ($rdummy,$roledef)= &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); @@ -4290,6 +6294,10 @@ sub custom_roleprivs { $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; } if (($trest ne '') && (defined($coursepriv))) { + if ($trole =~ m{^cr/$tdomain/$tdomain\Q-domainconfig\E/([^/]+)$}) { + my $rolename = $1; + $coursepriv = &course_adhocrole_privs($rolename,$tdomain,$trest,$coursepriv); + } $$allroles{'cm.'.$area}.=':'.$coursepriv; $$allroles{$spec.'.'.$area}.=':'.$coursepriv; } @@ -4298,6 +6306,48 @@ sub custom_roleprivs { } } +sub course_adhocrole_privs { + my ($rolename,$cdom,$cnum,$coursepriv) = @_; + my %overrides = &get('environment',["internal.adhocpriv.$rolename"],$cdom,$cnum); + if ($overrides{"internal.adhocpriv.$rolename"}) { + my (%currprivs,%storeprivs); + foreach my $item (split(/:/,$coursepriv)) { + my ($priv,$restrict) = split(/\&/,$item); + $currprivs{$priv} = $restrict; + } + my (%possadd,%possremove,%full); + foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:c'})) { + my ($priv,$restrict)=split(/\&/,$item); + $full{$priv} = $restrict; + } + foreach my $item (split(/,/,$overrides{"internal.adhocpriv.$rolename"})) { + next if ($item eq ''); + my ($rule,$rest) = split(/=/,$item); + next unless (($rule eq 'off') || ($rule eq 'on')); + foreach my $priv (split(/:/,$rest)) { + if ($priv ne '') { + if ($rule eq 'off') { + $possremove{$priv} = 1; + } else { + $possadd{$priv} = 1; + } + } + } + } + foreach my $priv (sort(keys(%full))) { + if (exists($currprivs{$priv})) { + unless (exists($possremove{$priv})) { + $storeprivs{$priv} = $currprivs{$priv}; + } + } elsif (exists($possadd{$priv})) { + $storeprivs{$priv} = $full{$priv}; + } + } + $coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs))); + } + return $coursepriv; +} + sub group_roleprivs { my ($allgroups,$area,$group_privs,$tend,$tstart) = @_; my $access = 1; @@ -4332,9 +6382,10 @@ sub set_userprivs { my ($userroles,$allroles,$allgroups,$groups_roles) = @_; my $author=0; my $adv=0; + my $rar=0; my %grouproles = (); if (keys(%{$allgroups}) > 0) { - my @groupkeys; + my @groupkeys; foreach my $role (keys(%{$allroles})) { push(@groupkeys,$role); } @@ -4379,28 +6430,29 @@ sub set_userprivs { $thesepriv{$privilege}.=$restrictions; } if ($thesepriv{'adv'} eq 'F') { $adv=1; } + if ($thesepriv{'rar'} eq 'F') { $rar=1; } } } my $thesestr=''; - foreach my $priv (keys(%thesepriv)) { + foreach my $priv (sort(keys(%thesepriv))) { $thesestr.=':'.$priv.'&'.$thesepriv{$priv}; } $userroles->{'user.priv.'.$role} = $thesestr; } - return ($author,$adv); + return ($author,$adv,$rar); } sub role_status { - my ($rolekey,$then,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_; - my @pwhere = (); + my ($rolekey,$update,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_; if (exists($env{$rolekey}) && $env{$rolekey} ne '') { - (undef,undef,$$role,@pwhere)=split(/\./,$rolekey); + my ($one,$two) = split(m{\./},$rolekey,2); + (undef,undef,$$role) = split(/\./,$one,3); unless (!defined($$role) || $$role eq '') { - $$where=join('.',@pwhere); + $$where = '/'.$two; $$trolecode=$$role.'.'.$$where; ($$tstart,$$tend)=split(/\./,$env{$rolekey}); $$tstatus='is'; - if ($$tstart && $$tstart>$then) { + if ($$tstart && $$tstart>$update) { $$tstatus='future'; if ($$tstart<$now) { if ($$tstart && $$tstart>$refresh) { @@ -4410,7 +6462,7 @@ sub role_status { my %userroles = ( 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend ); - @rolecodes = ('cm'); + @rolecodes = ('cm'); my $spec=$$role.'.'.$$where; my ($tdummy,$tdomain,$trest)=split(/\//,$$where); if ($$role =~ /^cr\//) { @@ -4425,46 +6477,24 @@ sub role_status { $group_privs = &unescape($group_privs); &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart); my %course_roles = &get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',['active'],['cc','co','in','ta','ep','ad','st','cr'],[$tdomain],1); - if (keys(%course_roles) > 0) { - my ($tnum) = ($trest =~ /^($match_courseid)/); - if ($tdomain ne '' && $tnum ne '') { - foreach my $key (keys(%course_roles)) { - if ($key =~ /^\Q$tnum\E:\Q$tdomain\E:([^:]+):?([^:]*)/) { - my $crsrole = $1; - my $crssec = $2; - if ($crsrole =~ /^cr/) { - unless (grep(/^cr$/,@rolecodes)) { - push(@rolecodes,'cr'); - } - } else { - unless(grep(/^\Q$crsrole\E$/,@rolecodes)) { - push(@rolecodes,$crsrole); - } - } - my $rolekey = $crsrole.'./'.$tdomain.'/'.$tnum; - if ($crssec ne '') { - $rolekey .= '/'.$crssec; - } - $rolekey .= './'; - $groups_roles{$rolekey} = \@rolecodes; - } - } - } - } + &get_groups_roles($tdomain,$trest, + \%course_roles,\@rolecodes, + \%groups_roles); } else { push(@rolecodes,$$role); &standard_roleprivs(\%allroles,$$role,$tdomain,$spec,$trest,$$where); } - my ($author,$adv)= &set_userprivs(\%userroles,\%allroles,\%allgroups,\%groups_roles); + my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%allroles,\%allgroups, + \%groups_roles); &appenv(\%userroles,\@rolecodes); - &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role); + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec); } } $$tstatus = 'is'; } } if ($$tend) { - if ($$tend<$then) { + if ($$tend<$update) { $$tstatus='expired'; } elsif ($$tend<$now) { $$tstatus='will_not'; @@ -4474,36 +6504,115 @@ sub role_status { } } +sub get_groups_roles { + my ($cdom,$rest,$cdom_courseroles,$rolecodes,$groups_roles) = @_; + return unless((ref($cdom_courseroles) eq 'HASH') && + (ref($rolecodes) eq 'ARRAY') && + (ref($groups_roles) eq 'HASH')); + if (keys(%{$cdom_courseroles}) > 0) { + my ($cnum) = ($rest =~ /^($match_courseid)/); + if ($cdom ne '' && $cnum ne '') { + foreach my $key (keys(%{$cdom_courseroles})) { + if ($key =~ /^\Q$cnum\E:\Q$cdom\E:([^:]+):?([^:]*)/) { + my $crsrole = $1; + my $crssec = $2; + if ($crsrole =~ /^cr/) { + unless (grep(/^cr$/,@{$rolecodes})) { + push(@{$rolecodes},'cr'); + } + } else { + unless(grep(/^\Q$crsrole\E$/,@{$rolecodes})) { + push(@{$rolecodes},$crsrole); + } + } + my $rolekey = "$crsrole./$cdom/$cnum"; + if ($crssec ne '') { + $rolekey .= "/$crssec"; + } + $rolekey .= './'; + $groups_roles->{$rolekey} = $rolecodes; + } + } + } + } + return; +} + +sub delete_env_groupprivs { + my ($where,$courseroles,$possroles) = @_; + return unless((ref($courseroles) eq 'HASH') && (ref($possroles) eq 'ARRAY')); + my ($dummy,$udom,$uname,$group) = split(/\//,$where); + unless (ref($courseroles->{$udom}) eq 'HASH') { + %{$courseroles->{$udom}} = + &get_my_roles('','','userroles',['active'], + $possroles,[$udom],1); + } + if (ref($courseroles->{$udom}) eq 'HASH') { + foreach my $item (keys(%{$courseroles->{$udom}})) { + my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item); + my $area = '/'.$cdom.'/'.$cnum; + my $privkey = "user.priv.$crsrole.$area"; + if ($crssec ne '') { + $privkey .= '/'.$crssec; + } + $privkey .= ".$area/$group"; + &Apache::lonnet::delenv($privkey,undef,[$crsrole]); + } + } + return; +} + sub check_adhoc_privs { - my ($cdom,$cnum,$then,$refresh,$now,$checkrole,$caller) = @_; + my ($cdom,$cnum,$update,$refresh,$now,$checkrole,$caller,$sec) = @_; my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum; + if ($sec) { + $cckey .= '/'.$sec; + } + my $setprivs; if ($env{$cckey}) { my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend); - &role_status($cckey,$then,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend); + &role_status($cckey,$update,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend); unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) { - &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller); + &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec); + $setprivs = 1; } } else { - &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller); + &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec); + $setprivs = 1; } + return $setprivs; } sub set_adhoc_privileges { -# role can be cc or ca - my ($dcdom,$pickedcourse,$role,$caller) = @_; +# role can be cc, ca, or cr//-domainconfig/role + my ($dcdom,$pickedcourse,$role,$caller,$sec) = @_; my $area = '/'.$dcdom.'/'.$pickedcourse; + if ($sec ne '') { + $area .= '/'.$sec; + } my $spec = $role.'.'.$area; my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'}, - $env{'user.name'}); - my %ccrole = (); - &standard_roleprivs(\%ccrole,$role,$dcdom,$spec,$pickedcourse,$area); - my ($author,$adv)= &set_userprivs(\%userroles,\%ccrole); + $env{'user.name'},1); + my %rolehash = (); + if ($role =~ m{^\Qcr/$dcdom/$dcdom\E\-domainconfig/(\w+)$}) { + my $rolename = $1; + &custom_roleprivs(\%rolehash,$role,$dcdom,$pickedcourse,$spec,$area); + my %domdef = &get_domain_defaults($dcdom); + if (ref($domdef{'adhocroles'}) eq 'HASH') { + if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') { + &appenv({'request.role.desc' => $domdef{'adhocroles'}{$rolename}{'desc'},}); + } + } + } else { + &standard_roleprivs(\%rolehash,$role,$dcdom,$spec,$pickedcourse,$area); + } + my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%rolehash); &appenv(\%userroles,[$role,'cm']); - &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role); + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec); unless ($caller eq 'constructaccess' && $env{'request.course.id'}) { &appenv( {'request.role' => $spec, 'request.role.domain' => $dcdom, - 'request.course.sec' => '' + 'request.course.sec' => $sec, } ); my $tadv=0; @@ -4557,49 +6666,62 @@ sub del { # -------------------------------------------------------------- dump interface +sub unserialize { + my ($rep, $escapedkeys) = @_; + + return {} if $rep =~ /^error/; + + my %returnhash=(); + foreach my $item (split(/\&/,$rep)) { + my ($key, $value) = split(/=/, $item, 2); + $key = unescape($key) unless $escapedkeys; + next if $key =~ /^error: 2 /; + $returnhash{$key} = &thaw_unescape($value); + } + return \%returnhash; +} + +# see Lond::dump_with_regexp +# if $escapedkeys hash keys won't get unescaped. sub dump { - my ($namespace,$udomain,$uname,$regexp,$range,$extra)=@_; + my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys)=@_; if (!$udomain) { $udomain=$env{'user.domain'}; } if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); + if ($regexp) { - $regexp=&escape($regexp); + $regexp=&escape($regexp); } else { - $regexp='.'; + $regexp='.'; + } + if (grep { $_ eq $uhome } ¤t_machine_ids()) { + # user is hosted on this machine + my $reply = LONCAPA::Lond::dump_with_regexp(join(':', ($udomain, + $uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'}); + return %{&unserialize($reply, $escapedkeys)}; } - my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range:$extra",$uhome); + 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); + if (!($rep =~ /^error/ )) { + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key) unless ($escapedkeys); + 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:$range",$uhome); - my @pairs=split(/\&/,$rep); - my %returnhash=(); - foreach my $item (@pairs) { - my ($key,$value)=split(/=/,$item,2); - next if ($key =~ /^error: 2 /); - $returnhash{$key}=&thaw_unescape($value); - } - return %returnhash; + # same as dump but keys must be escaped. They may contain colon separated + # lists of values that may themself contain colons (e.g. symbs). + return &dump($namespace, $udomain, $uname, $regexp, $range, 1); } # -------------------------------------------------------------- keys interface @@ -4625,7 +6747,15 @@ sub currentdump { $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); + my $rep; + + if (grep { $_ eq $uhome } current_machine_ids()) { + $rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname, + $courseid))); + } else { + $rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome); + } + return if ($rep =~ /^(error:|no_such_host)/); # my %returnhash=(); @@ -4746,7 +6876,7 @@ sub newput { # --------------------------------------------------------- putstore interface sub putstore { - my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; + my ($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog)=@_; if (!$udomain) { $udomain=$env{'user.domain'}; } if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); @@ -4760,6 +6890,17 @@ sub putstore { my $reply = &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items", $uhome); + if (($tolog) && ($reply eq 'ok')) { + my $namevalue=''; + foreach my $key (keys(%{$storehash})) { + $namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&'; + } + $namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}). + '&host='.&escape($perlvar{'lonHostID'}). + '&version='.$esc_v. + '&by='.&escape($env{'user.name'}.':'.$env{'user.domain'}); + &Apache::lonnet::courselog($symb.':'.$uname.':'.$udomain.':PUTSTORE:'.$namevalue); + } if ($reply eq 'unknown_cmd') { # gfall back to way things use to be done return &old_putstore($namespace,$symb,$version,$storehash,$udomain, @@ -4853,27 +6994,128 @@ sub tmpget { if (!defined($server)) { $server = $perlvar{'lonHostID'}; } my $rep=&reply("tmpget:$token",$server); my %returnhash; + if ($rep =~ /^(con_lost|error|no_such_host)/i) { + return %returnhash; + } foreach my $item (split(/\&/,$rep)) { my ($key,$value)=split(/=/,$item); - next if ($key =~ /^error: 2 /); $returnhash{&unescape($key)}=&thaw_unescape($value); } return %returnhash; } -# ------------------------------------------------------------ tmpget interface +# ------------------------------------------------------------ tmpdel interface sub tmpdel { my ($token,$server)=@_; if (!defined($server)) { $server = $perlvar{'lonHostID'}; } return &reply("tmpdel:$token",$server); } +# ------------------------------------------------------------ get_timebased_id + +sub get_timebased_id { + my ($prefix,$keyid,$namespace,$cdom,$cnum,$idtype,$who,$locktries, + $maxtries) = @_; + my ($newid,$error,$dellock); + unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) { + return ('','ok','invalid call to get suffix'); + } + +# set defaults for any optional args for which values were not supplied + if ($who eq '') { + $who = $env{'user.name'}.':'.$env{'user.domain'}; + } + if (!$locktries) { + $locktries = 3; + } + if (!$maxtries) { + $maxtries = 10; + } + + if (($cdom eq '') || ($cnum eq '')) { + if ($env{'request.course.id'}) { + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + } + if (($cdom eq '') || ($cnum eq '')) { + return ('','ok','call to get suffix not in course context'); + } + } + +# construct locking item + my $lockhash = { + $prefix."\0".'locked_'.$keyid => $who, + }; + my $tries = 0; + +# attempt to get lock on nohist_$namespace file + my $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum); + while (($gotlock ne 'ok') && $tries <$locktries) { + $tries ++; + sleep 1; + $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum); + } + +# attempt to get unique identifier, based on current timestamp + if ($gotlock eq 'ok') { + my %inuse = &Apache::lonnet::dump('nohist_'.$namespace,$cdom,$cnum,$prefix); + my $id = time; + $newid = $id; + if ($idtype eq 'addcode') { + $newid .= &sixnum_code(); + } + my $idtries = 0; + while (exists($inuse{$prefix."\0".$newid}) && $idtries < $maxtries) { + if ($idtype eq 'concat') { + $newid = $id.$idtries; + } elsif ($idtype eq 'addcode') { + $newid = $newid.&sixnum_code(); + } else { + $newid ++; + } + $idtries ++; + } + if (!exists($inuse{$prefix."\0".$newid})) { + my %new_item = ( + $prefix."\0".$newid => $who, + ); + my $putresult = &Apache::lonnet::put('nohist_'.$namespace,\%new_item, + $cdom,$cnum); + if ($putresult ne 'ok') { + undef($newid); + $error = 'error saving new item: '.$putresult; + } + } else { + undef($newid); + $error = ('error: no unique suffix available for the new item '); + } +# remove lock + my @del_lock = ($prefix."\0".'locked_'.$keyid); + $dellock = &Apache::lonnet::del('nohist_'.$namespace,\@del_lock,$cdom,$cnum); + } else { + $error = "error: could not obtain lockfile\n"; + $dellock = 'ok'; + if (($prefix eq 'paste') && ($namespace eq 'courseeditor') && ($keyid eq 'num')) { + $dellock = 'nolock'; + } + } + return ($newid,$dellock,$error); +} + +sub sixnum_code { + my $code; + for (0..6) { + $code .= int( rand(9) ); + } + return $code; +} + # -------------------------------------------------- portfolio access checking sub portfolio_access { - my ($requrl) = @_; + my ($requrl,$clientip) = @_; my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl); - my $result = &get_portfolio_access($udom,$unum,$file_name,$group); + my $result = &get_portfolio_access($udom,$unum,$file_name,$group,$clientip); if ($result) { my %setters; if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { @@ -4899,7 +7141,7 @@ sub portfolio_access { } sub get_portfolio_access { - my ($udom,$unum,$file_name,$group,$access_hash) = @_; + my ($udom,$unum,$file_name,$group,$clientip,$access_hash) = @_; if (!ref($access_hash)) { my $current_perms = &get_portfile_permissions($udom,$unum); @@ -4908,7 +7150,7 @@ sub get_portfolio_access { $access_hash = $access_controls{$file_name}; } - my ($public,$guest,@domains,@users,@courses,@groups); + my ($public,$guest,@domains,@users,@courses,@groups,@ips); my $now = time; if (ref($access_hash) eq 'HASH') { foreach my $key (keys(%{$access_hash})) { @@ -4932,10 +7174,25 @@ sub get_portfolio_access { push(@courses,$key); } elsif ($scope eq 'group') { push(@groups,$key); + } elsif ($scope eq 'ip') { + push(@ips,$key); } } if ($public) { return 'ok'; + } elsif (@ips > 0) { + my $allowed; + foreach my $ipkey (@ips) { + if (ref($access_hash->{$ipkey}{'ip'}) eq 'ARRAY') { + if (&Apache::loncommon::check_ip_acc(join(',',@{$access_hash->{$ipkey}{'ip'}}),$clientip)) { + $allowed = 1; + last; + } + } + } + if ($allowed) { + return 'ok'; + } } if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { if ($guest) { @@ -5112,7 +7369,7 @@ sub is_portfolio_file { } sub usertools_access { - my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref) = @_; + my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref)=@_; my ($access,%tools); if ($context eq '') { $context = 'tools'; @@ -5122,17 +7379,23 @@ sub usertools_access { official => 1, unofficial => 1, community => 1, + textbook => 1, + ); + } elsif ($context eq 'requestauthor') { + %tools = ( + requestauthor => 1, ); } else { %tools = ( aboutme => 1, blog => 1, + webdav => 1, portfolio => 1, ); } return if (!defined($tools{$tool})); - if ((!defined($udom)) || (!defined($uname))) { + if (($udom eq '') || ($uname eq '')) { $udom = $env{'user.domain'}; $uname = $env{'user.name'}; } @@ -5141,25 +7404,32 @@ sub usertools_access { if ($action ne 'reload') { if ($context eq 'requestcourses') { return $env{'environment.canrequest.'.$tool}; + } elsif ($context eq 'requestauthor') { + return $env{'environment.canrequest.author'}; } else { return $env{'environment.availabletools.'.$tool}; } } } - my ($toolstatus,$inststatus); + my ($toolstatus,$inststatus,$envkey); + if ($context eq 'requestauthor') { + $envkey = $context; + } else { + $envkey = $context.'.'.$tool; + } if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) && ($action ne 'reload')) { - $toolstatus = $env{'environment.'.$context.'.'.$tool}; + $toolstatus = $env{'environment.'.$envkey}; $inststatus = $env{'environment.inststatus'}; } else { if (ref($userenvref) eq 'HASH') { - $toolstatus = $userenvref->{$context.'.'.$tool}; + $toolstatus = $userenvref->{$envkey}; $inststatus = $userenvref->{'inststatus'}; } else { - my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool,'inststatus'); - $toolstatus = $userenv{$context.'.'.$tool}; + my %userenv = &userenvironment($udom,$uname,$envkey,'inststatus'); + $toolstatus = $userenv{$envkey}; $inststatus = $userenv{'inststatus'}; } } @@ -5225,7 +7495,7 @@ sub usertools_access { } } } else { - if ($context eq 'tools') { + if (($context eq 'tools') && ($tool ne 'webdav')) { $access = 1; } else { $access = 0; @@ -5259,12 +7529,16 @@ sub is_advanced_user { my ($udom,$uname) = @_; if ($udom ne '' && $uname ne '') { if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { - return $env{'user.adv'}; + if (wantarray) { + return ($env{'user.adv'},$env{'user.author'}); + } else { + return $env{'user.adv'}; + } } } my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1); my %allroles; - my $is_adv; + my ($is_adv,$is_author); foreach my $role (keys(%roleshash)) { my ($trest,$tdomain,$trole,$sec) = split(/:/,$role); my $area = '/'.$tdomain.'/'.$trest; @@ -5278,6 +7552,9 @@ sub is_advanced_user { } elsif ($trole ne 'gr') { &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); } + if ($trole eq 'au') { + $is_author = 1; + } } } foreach my $role (keys(%allroles)) { @@ -5292,6 +7569,9 @@ sub is_advanced_user { } } } + if (wantarray) { + return ($is_adv,$is_author); + } return $is_adv; } @@ -5396,7 +7676,7 @@ sub customaccess { # ------------------------------------------------- Check for a user privilege sub allowed { - my ($priv,$uri,$symb,$role)=@_; + my ($priv,$uri,$symb,$role,$clientip,$noblockcheck)=@_; my $ver_orguri=$uri; $uri=&deversion($uri); my $orguri=$uri; @@ -5562,6 +7842,15 @@ sub allowed { } } +# User who is not author or co-author might still be able to edit +# resource of an author in the domain (e.g., if Domain Coordinator). + if (($priv eq 'eco') && ($thisallowed eq '') && ($env{'request.course.id'}) && + (&allowed('mdc',$env{'request.course.id'}))) { + if ($env{"user.priv.cm./$uri/"}=~/\Q$priv\E\&([^\:]*)/) { + $thisallowed.=$1; + } + } + # Course: uri itself is a course my $courseuri=$uri; $courseuri=~s/\_(\d)/\/$1/; @@ -5582,7 +7871,17 @@ sub allowed { if ($match) { if ($env{'user.priv.'.$env{'request.role'}.'./'} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + my $value = $1; + if ($noblockcheck) { + $thisallowed.=$value; + } else { + my @blockers = &has_comm_blocking($priv,$symb,$uri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed.=$value; + } + } } } else { my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri}; @@ -5593,7 +7892,16 @@ sub allowed { $refuri=&declutter($refuri); my ($match) = &is_on_map($refuri); if ($match) { - $thisallowed='F'; + if ($noblockcheck) { + $thisallowed='F'; + } else { + my @blockers = &has_comm_blocking($priv,$symb,$refuri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed='F'; + } + } } } } @@ -5604,7 +7912,7 @@ sub allowed { && $thisallowed ne 'F' && $thisallowed ne '2' && &is_portfolio_url($uri)) { - $thisallowed = &portfolio_access($uri); + $thisallowed = &portfolio_access($uri,$clientip); } # Full access at system, domain or course-wide level? Exit. @@ -5645,7 +7953,21 @@ sub allowed { $statecond=$cond; if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + my $value = $1; + if ($priv eq 'bre') { + if ($noblockcheck) { + $thisallowed.=$value; + } else { + my @blockers = &has_comm_blocking($priv,$symb,$uri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed.=$value; + } + } + } else { + $thisallowed.=$value; + } $checkreferer=0; } } @@ -5673,7 +7995,21 @@ sub allowed { my $refstatecond=$cond; if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + my $value = $1; + if ($priv eq 'bre') { + if ($noblockcheck) { + $thisallowed.=$value; + } else { + my @blockers = &has_comm_blocking($priv,$symb,$refuri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed.=$value; + } + } + } else { + $thisallowed.=$value; + } $uri=$refuri; $statecond=$refstatecond; } @@ -5777,7 +8113,7 @@ sub allowed { 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') && ($priv ne 'plc')) { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. $env{'request.course.id'}); @@ -5787,7 +8123,7 @@ sub allowed { if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'} =~/\Q$unamedom\E/) { - if (($priv ne 'pch') && ($priv ne 'plc')) { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}. 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. $env{'request.course.id'}); @@ -5801,7 +8137,7 @@ sub allowed { if ($thisallowed=~/R/) { my $rolecode=(split(/\./,$env{'request.role'}))[0]; if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) { - if (($priv ne 'pch') && ($priv ne 'plc')) { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); } @@ -5833,6 +8169,308 @@ sub allowed { return 'F'; } +# ------------------------------------------- Check construction space access + +sub constructaccess { + my ($url,$setpriv)=@_; + +# We do not allow editing of previous versions of files + if ($url=~/\.(\d+)\.(\w+)$/) { return ''; } + +# Get username and domain from URL + my ($ownername,$ownerdomain,$ownerhome); + + ($ownerdomain,$ownername) = + ($url=~ m{^(?:\Q$perlvar{'lonDocRoot'}\E|)/priv/($match_domain)/($match_username)(?:/|$)}); + +# The URL does not really point to any authorspace, forget it + unless (($ownername) && ($ownerdomain)) { return ''; } + +# Now we need to see if the user has access to the authorspace of +# $ownername at $ownerdomain + + if (($ownername eq $env{'user.name'}) && ($ownerdomain eq $env{'user.domain'})) { +# Real author for this? + $ownerhome = $env{'user.home'}; + if (exists($env{'user.priv.au./'.$ownerdomain.'/./'})) { + return ($ownername,$ownerdomain,$ownerhome); + } + } else { +# Co-author for this? + if (exists($env{'user.priv.ca./'.$ownerdomain.'/'.$ownername.'./'}) || + exists($env{'user.priv.aa./'.$ownerdomain.'/'.$ownername.'./'}) ) { + $ownerhome = &homeserver($ownername,$ownerdomain); + return ($ownername,$ownerdomain,$ownerhome); + } + } + +# We don't have any access right now. If we are not possibly going to do anything about this, +# we might as well leave + unless ($setpriv) { return ''; } + +# Backdoor access? + my $allowed=&allowed('eco',$ownerdomain); +# Nope + unless ($allowed) { return ''; } +# Looks like we may have access, but could be locked by the owner of the construction space + if ($allowed eq 'U') { + my %blocked=&get('environment',['domcoord.author'], + $ownerdomain,$ownername); +# Is blocked by owner + if ($blocked{'domcoord.author'} eq 'blocked') { return ''; } + } + if (($allowed eq 'F') || ($allowed eq 'U')) { +# Grant temporary access + my $then=$env{'user.login.time'}; + my $update=$env{'user.update.time'}; + if (!$update) { $update = $then; } + my $refresh=$env{'user.refresh.time'}; + if (!$refresh) { $refresh = $update; } + my $now = time; + &check_adhoc_privs($ownerdomain,$ownername,$update,$refresh, + $now,'ca','constructaccess'); + $ownerhome = &homeserver($ownername,$ownerdomain); + return($ownername,$ownerdomain,$ownerhome); + } +# No business here + return ''; +} + +# ----------------------------------------------------------- Content Blocking + +{ +# Caches for faster Course Contents display where content blocking +# is in operation (i.e., interval param set) for timed quiz. +# +# User for whom data are being temporarily cached. +my $cacheduser=''; +# Cached blockers for this user (a hash of blocking items). +my %cachedblockers=(); +# When the data were last cached. +my $cachedlast=''; + +sub load_all_blockers { + my ($uname,$udom,$blocks)=@_; + if (($uname ne '') && ($udom ne '')) { + if (($cacheduser eq $uname.':'.$udom) && + (abs($cachedlast-time)<5)) { + return; + } + } + $cachedlast=time; + $cacheduser=$uname.':'.$udom; + %cachedblockers = &get_commblock_resources($blocks); +} + +sub get_comm_blocks { + my ($cdom,$cnum) = @_; + if ($cdom eq '' || $cnum eq '') { + return unless ($env{'request.course.id'}); + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + } + my %commblocks; + my $hashid=$cdom.'_'.$cnum; + my ($blocksref,$cached)=&is_cached_new('comm_block',$hashid); + if ((defined($cached)) && (ref($blocksref) eq 'HASH')) { + %commblocks = %{$blocksref}; + } else { + %commblocks = &Apache::lonnet::dump('comm_block',$cdom,$cnum); + my $cachetime = 600; + &do_cache_new('comm_block',$hashid,\%commblocks,$cachetime); + } + return %commblocks; +} + +sub get_commblock_resources { + my ($blocks) = @_; + my %blockers = (); + return %blockers unless ($env{'request.course.id'}); + return %blockers if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/); + my %commblocks; + if (ref($blocks) eq 'HASH') { + %commblocks = %{$blocks}; + } else { + %commblocks = &get_comm_blocks(); + } + return %blockers unless (keys(%commblocks) > 0); + my $navmap = Apache::lonnavmaps::navmap->new(); + return %blockers unless (ref($navmap)); + my $now = time; + foreach my $block (keys(%commblocks)) { + if ($block =~ /^(\d+)____(\d+)$/) { + my ($start,$end) = ($1,$2); + if ($start <= $now && $end >= $now) { + if (ref($commblocks{$block}{'blocks'}) eq 'HASH') { + if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') { + if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') { + if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) { + $blockers{$block}{maps} = $commblocks{$block}{'blocks'}{'docs'}{'maps'}; + } + } + if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') { + if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) { + $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'}; + } + } + } + } + } + } elsif ($block =~ /^firstaccess____(.+)$/) { + my $item = $1; + my @to_test; + if (ref($commblocks{$block}{'blocks'}) eq 'HASH') { + if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') { + my @interval; + my $type = 'map'; + if ($item eq 'course') { + $type = 'course'; + @interval=&EXT("resource.0.interval"); + } else { + if ($item =~ /___\d+___/) { + $type = 'resource'; + @interval=&EXT("resource.0.interval",$item); + if (ref($navmap)) { + my $res = $navmap->getBySymb($item); + push(@to_test,$res); + } + } else { + my $mapsymb = &symbread($item,1); + if ($mapsymb) { + if (ref($navmap)) { + my $mapres = $navmap->getBySymb($mapsymb); + @to_test = $mapres->retrieveResources($mapres,undef,0,0,0,1); + foreach my $res (@to_test) { + my $symb = $res->symb(); + next if ($symb eq $mapsymb); + if ($symb ne '') { + @interval=&EXT("resource.0.interval",$symb); + if ($interval[1] eq 'map') { + last; + } + } + } + } + } + } + } + if ($interval[0] =~ /^\d+$/) { + my $first_access; + if ($type eq 'resource') { + $first_access=&get_first_access($interval[1],$item); + } elsif ($type eq 'map') { + $first_access=&get_first_access($interval[1],undef,$item); + } else { + $first_access=&get_first_access($interval[1]); + } + if ($first_access) { + my $timesup = $first_access+$interval[0]; + if ($timesup > $now) { + my $activeblock; + foreach my $res (@to_test) { + if ($res->answerable()) { + $activeblock = 1; + last; + } + } + if ($activeblock) { + if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') { + if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) { + $blockers{$block}{'maps'} = $commblocks{$block}{'blocks'}{'docs'}{'maps'}; + } + } + if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') { + if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) { + $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'}; + } + } + } + } + } + } + } + } + } + } + return %blockers; +} + +sub has_comm_blocking { + my ($priv,$symb,$uri,$blocks) = @_; + my @blockers; + return unless ($env{'request.course.id'}); + return unless ($priv eq 'bre'); + return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/); + return if ($env{'request.state'} eq 'construct'); + &load_all_blockers($env{'user.name'},$env{'user.domain'},$blocks); + return unless (keys(%cachedblockers) > 0); + my (%possibles,@symbs); + if (!$symb) { + $symb = &symbread($uri,1,1,1,\%possibles); + } + if ($symb) { + @symbs = ($symb); + } elsif (keys(%possibles)) { + @symbs = keys(%possibles); + } + my $noblock; + foreach my $symb (@symbs) { + last if ($noblock); + my ($map,$resid,$resurl)=&decode_symb($symb); + foreach my $block (keys(%cachedblockers)) { + if ($block =~ /^firstaccess____(.+)$/) { + my $item = $1; + if (($item eq $map) || ($item eq $symb)) { + $noblock = 1; + last; + } + } + if (ref($cachedblockers{$block}) eq 'HASH') { + if (ref($cachedblockers{$block}{'resources'}) eq 'HASH') { + if ($cachedblockers{$block}{'resources'}{$symb}) { + unless (grep(/^\Q$block\E$/,@blockers)) { + push(@blockers,$block); + } + } + } + } + if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') { + if ($cachedblockers{$block}{'maps'}{$map}) { + unless (grep(/^\Q$block\E$/,@blockers)) { + push(@blockers,$block); + } + } + } + } + } + return if ($noblock); + return @blockers; +} +} + +# -------------------------------- Deversion and split uri into path an filename + +# +# Removes the version from a URI and +# splits it in to its filename and path to the filename. +# Seems like File::Basename could have done this more clearly. +# Parameters: +# $uri - input URI +# Returns: +# Two element list consisting of +# $pathname - the URI up to and excluding the trailing / +# $filename - The part of the URI following the last / +# NOTE: +# Another realization of this is simply: +# use File::Basename; +# ... +# $uri = shift; +# $filename = basename($uri); +# $path = dirname($uri); +# return ($filename, $path); +# +# The implementation below is probably faster however. +# sub split_uri_for_cond { my $uri=&deversion(&declutter(shift)); my @uriparts=split(/\//,$uri); @@ -5881,7 +8519,7 @@ sub get_symb_from_alias { sub definerole { if (allowed('mcr','/')) { - my ($rolename,$sysrole,$domrole,$courole)=@_; + my ($rolename,$sysrole,$domrole,$courole,$uname,$udom)=@_; foreach my $role (split(':',$sysrole)) { my ($crole,$cqual)=split(/\&/,$role); if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; } @@ -5909,11 +8547,19 @@ sub definerole { } } } + my $uhome; + if (($uname ne '') && ($udom ne '')) { + $uhome = &homeserver($uname,$udom); + return $uhome if ($uhome eq 'no_host'); + } else { + $uname = $env{'user.name'}; + $udom = $env{'user.domain'}; + $uhome = $env{'user.home'}; + } my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:". - "$env{'user.domain'}:$env{'user.name'}:". - "rolesdef_$rolename=". + "$udom:$uname:rolesdef_$rolename=". escape($sysrole.'_'.$domrole.'_'.$courole); - return reply($command,$env{'user.home'}); + return reply($command,$uhome); } else { return 'refused'; } @@ -5922,19 +8568,23 @@ sub definerole { # ---------------- Make a metadata query against the network of library servers sub metadata_query { - my ($query,$custom,$customshow,$server_array)=@_; + my ($query,$custom,$customshow,$server_array,$domains_hash)=@_; my %rhash; my %libserv = &all_library(); my @server_list = (defined($server_array) ? @$server_array : keys(%libserv) ); for my $server (@server_list) { + my $domains = ''; + if (ref($domains_hash) eq 'HASH') { + $domains = $domains_hash->{$server}; + } unless ($custom or $customshow) { - my $reply=&reply("querysend:".&escape($query),$server); + my $reply=&reply("querysend:".&escape($query).':::'.&escape($domains),$server); $rhash{$server}=$reply; } else { my $reply=&reply("querysend:".&escape($query).':'. - &escape($custom).':'.&escape($customshow), + &escape($custom).':'.&escape($customshow).':'.&escape($domains), $server); $rhash{$server}=$reply; } @@ -5991,10 +8641,12 @@ sub update_allusers_table { sub fetch_enrollment_query { my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_; - my $homeserver; + my ($homeserver,$sleep,$loopmax); my $maxtries = 1; if ($context eq 'automated') { $homeserver = $perlvar{'lonHostID'}; + $sleep = 2; + $loopmax = 100; $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout } else { $homeserver = &homeserver($cnum,$dom); @@ -6012,23 +8664,23 @@ sub fetch_enrollment_query { &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 $reply = &get_query_reply($queryid,$sleep,$loopmax); my $tries = 1; while (($reply=~/^timeout/) && ($tries < $maxtries)) { - $reply = &get_query_reply($queryid); + $reply = &get_query_reply($queryid,$sleep,$loopmax); $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'}) { + if (grep { $_ eq $homeserver } ¤t_machine_ids()) { foreach my $line (@responses) { my ($key,$value) = split(/=/,$line,2); $$replyref{$key} = $value; } } else { - my $pathname = $perlvar{'lonDaemons'}.'/tmp'; + my $pathname = LONCAPA::tempdir(); foreach my $line (@responses) { my ($key,$value) = split(/=/,$line); $$replyref{$key} = $value; @@ -6040,7 +8692,7 @@ sub fetch_enrollment_query { if ($xml_classlist =~ /^error/) { &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum); } else { - if ( open(FILE,">$destname") ) { + if ( open(FILE,">",$destname) ) { print FILE &unescape($xml_classlist); close(FILE); } else { @@ -6057,13 +8709,19 @@ sub fetch_enrollment_query { } sub get_query_reply { - my $queryid=shift; - my $replyfile=$perlvar{'lonDaemons'}.'/tmp/'.$queryid; + my ($queryid,$sleep,$loopmax) = @_; + if (($sleep eq '') || ($sleep !~ /^\d+\.?\d*$/)) { + $sleep = 0.2; + } + if (($loopmax eq '') || ($loopmax =~ /\D/)) { + $loopmax = 100; + } + my $replyfile=LONCAPA::tempdir().$queryid; my $reply=''; - for (1..100) { - sleep 2; + for (1..$loopmax) { + sleep($sleep); if (-e $replyfile.'.end') { - if (open(my $fh,$replyfile)) { + if (open(my $fh,"<",$replyfile)) { $reply = join('',<$fh>); close($fh); } else { return 'error: reply_file_error'; } @@ -6180,8 +8838,8 @@ sub auto_validate_instcode { } $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'. &escape($instcode).':'.&escape($owner),$homeserver)); - my ($outcome,$description) = map { &unescape($_); } split('&',$response,2); - return ($outcome,$description); + my ($outcome,$description,$defaultcredits) = map { &unescape($_); } split('&',$response,3); + return ($outcome,$description,$defaultcredits); } sub auto_create_password { @@ -6423,17 +9081,20 @@ sub auto_courserequest_checks { } sub auto_courserequest_validation { - my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = @_; + my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$custominfo) = @_; my ($homeserver,$response); if ($dom =~ /^$match_domain$/) { $homeserver = &domain($dom,'primary'); } - unless ($homeserver eq 'no_host') { - + unless ($homeserver eq 'no_host') { + my $customdata; + if (ref($custominfo) eq 'HASH') { + $customdata = &freeze_escape($custominfo); + } $response=&unescape(&reply('autocrsreqvalidation:'.$dom.':'.&escape($owner). ':'.&escape($crstype).':'.&escape($inststatuslist). - ':'.&escape($instcode).':'.&escape($instseclist), - $homeserver)); + ':'.&escape($instcode).':'.&escape($instseclist).':'. + $customdata,$homeserver)); } return $response; } @@ -6452,6 +9113,162 @@ sub auto_validate_class_sec { return $response; } +sub auto_validate_instclasses { + my ($cdom,$cnum,$owners,$classesref) = @_; + my ($homeserver,%validations); + $homeserver = &homeserver($cnum,$cdom); + unless ($homeserver eq 'no_host') { + my $ownerlist; + if (ref($owners) eq 'ARRAY') { + $ownerlist = join(',',@{$owners}); + } else { + $ownerlist = $owners; + } + if (ref($classesref) eq 'HASH') { + my $classes = &freeze_escape($classesref); + my $response=&reply('autovalidateinstclasses:'.&escape($ownerlist). + ':'.$cdom.':'.$classes,$homeserver); + unless ($response =~ /(con_lost|error|no_such_host|refused)/) { + my @items = split(/&/,$response); + foreach my $item (@items) { + my ($key,$value) = split('=',$item); + $validations{&unescape($key)} = &thaw_unescape($value); + } + } + } + } + return %validations; +} + +sub auto_crsreq_update { + my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title, + $code,$accessstart,$accessend,$inbound) = @_; + my ($homeserver,%crsreqresponse); + if ($cdom =~ /^$match_domain$/) { + $homeserver = &domain($cdom,'primary'); + } + unless (($homeserver eq 'no_host') || ($homeserver eq '')) { + my $info; + if (ref($inbound) eq 'HASH') { + $info = &freeze_escape($inbound); + } + my $response=&reply('autocrsrequpdate:'.$cdom.':'.$cnum.':'.&escape($crstype). + ':'.&escape($action).':'.&escape($ownername).':'. + &escape($ownerdomain).':'.&escape($fullname).':'. + &escape($title).':'.&escape($code).':'. + &escape($accessstart).':'.&escape($accessend).':'.$info,$homeserver); + unless ($response =~ /(con_lost|error|no_such_host|refused)/) { + my @items = split(/&/,$response); + foreach my $item (@items) { + my ($key,$value) = split('=',$item); + $crsreqresponse{&unescape($key)} = &thaw_unescape($value); + } + } + } + return \%crsreqresponse; +} + +sub auto_export_grades { + my ($cdom,$cnum,$inforef,$gradesref) = @_; + my ($homeserver,%exportresponse); + if ($cdom =~ /^$match_domain$/) { + $homeserver = &domain($cdom,'primary'); + } + unless (($homeserver eq 'no_host') || ($homeserver eq '')) { + my $info; + if (ref($inforef) eq 'HASH') { + $info = &freeze_escape($inforef); + } + if (ref($gradesref) eq 'HASH') { + my $grades = &freeze_escape($gradesref); + my $response=&reply('encrypt:autoexportgrades:'.$cdom.':'.$cnum.':'. + $info.':'.$grades,$homeserver); + unless ($response =~ /(con_lost|error|no_such_host|refused|unknown_command)/) { + my @items = split(/&/,$response); + foreach my $item (@items) { + my ($key,$value) = split('=',$item); + $exportresponse{&unescape($key)} = &thaw_unescape($value); + } + } + } + } + return \%exportresponse; +} + +sub check_instcode_cloning { + my ($codedefaults,$code_order,$cloner,$clonefromcode,$clonetocode) = @_; + unless ((ref($codedefaults) eq 'HASH') && (ref($code_order) eq 'ARRAY')) { + return; + } + my $canclone; + if (@{$code_order} > 0) { + my $instcoderegexp ='^'; + my @clonecodes = split(/\&/,$cloner); + foreach my $item (@{$code_order}) { + if (grep(/^\Q$item\E=/,@clonecodes)) { + foreach my $pair (@clonecodes) { + my ($key,$val) = split(/\=/,$pair,2); + $val = &unescape($val); + if ($key eq $item) { + $instcoderegexp .= '('.$val.')'; + last; + } + } + } else { + $instcoderegexp .= $codedefaults->{$item}; + } + } + $instcoderegexp .= '$'; + my (@from,@to); + eval { + (@from) = ($clonefromcode =~ /$instcoderegexp/); + (@to) = ($clonetocode =~ /$instcoderegexp/); + }; + if ((@from > 0) && (@to > 0)) { + my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to); + if (!@diffs) { + $canclone = 1; + } + } + } + return $canclone; +} + +sub default_instcode_cloning { + my ($clonedom,$domdefclone,$clonefromcode,$clonetocode,$codedefaultsref,$codeorderref) = @_; + my (%codedefaults,@code_order,$canclone); + if ((ref($codedefaultsref) eq 'HASH') && (ref($codeorderref) eq 'ARRAY')) { + %codedefaults = %{$codedefaultsref}; + @code_order = @{$codeorderref}; + } elsif ($clonedom) { + &auto_instcode_defaults($clonedom,\%codedefaults,\@code_order); + } + if (($domdefclone) && (@code_order)) { + my @clonecodes = split(/\+/,$domdefclone); + my $instcoderegexp ='^'; + foreach my $item (@code_order) { + if (grep(/^\Q$item\E$/,@clonecodes)) { + $instcoderegexp .= '('.$codedefaults{$item}.')'; + } else { + $instcoderegexp .= $codedefaults{$item}; + } + } + $instcoderegexp .= '$'; + my (@from,@to); + eval { + (@from) = ($clonefromcode =~ /$instcoderegexp/); + (@to) = ($clonetocode =~ /$instcoderegexp/); + }; + if ((@from > 0) && (@to > 0)) { + my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to); + if (!@diffs) { + $canclone = 1; + } + } + } + return $canclone; +} + # ------------------------------------------------------- Course Group routines sub get_coursegroups { @@ -6547,8 +9364,7 @@ sub get_users_groups { } else { $grouplist = ''; my $courseurl = &courseid_to_courseurl($courseid); - my $extra = &freeze_escape({'skipcheck' => 1}); - my %roleshash = &dump('roles',$udom,$uname,$courseurl,undef,$extra); + my %roleshash = &dump('roles',$udom,$uname,$courseurl); my $access_end = $env{'course.'.$courseid. '.default_enrollment_end_date'}; my $now = time; @@ -6720,6 +9536,41 @@ sub assignrole { } } } + } elsif ($context eq 'requestauthor') { + if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) && + ($url eq '/'.$udom.'/') && ($role eq 'au')) { + if ($env{'environment.requestauthor'} eq 'automatic') { + $refused = ''; + } else { + my %domdefaults = &get_domain_defaults($udom); + if (ref($domdefaults{'requestauthor'}) eq 'HASH') { + my $checkbystatus; + if ($env{'user.adv'}) { + my $disposition = $domdefaults{'requestauthor'}{'_LC_adv'}; + if ($disposition eq 'automatic') { + $refused = ''; + } elsif ($disposition eq '') { + $checkbystatus = 1; + } + } else { + $checkbystatus = 1; + } + if ($checkbystatus) { + if ($env{'environment.inststatus'}) { + my @inststatuses = split(/,/,$env{'environment.inststatus'}); + foreach my $type (@inststatuses) { + if (($type ne '') && + ($domdefaults{'requestauthor'}{$type} eq 'automatic')) { + $refused = ''; + } + } + } elsif ($domdefaults{'requestauthor'}{'default'} eq 'automatic') { + $refused = ''; + } + } + } + } + } } if ($refused) { &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url. @@ -6728,6 +9579,13 @@ sub assignrole { return 'refused'; } } + } elsif ($role eq 'au') { + if ($url ne '/'.$udom.'/') { + &logthis('Attempt by '.$env{'user.name'}.':'.$env{'user.domain'}. + ' to assign author role for '.$uname.':'.$udom. + ' in domain: '.$url.' refused (wrong domain).'); + return 'refused'; + } } $mrole=$role; } @@ -6762,11 +9620,26 @@ sub assignrole { # log new user role if status is ok if ($answer eq 'ok') { &userrolelog($role,$uname,$udom,$url,$start,$end); + if (($role eq 'cc') || ($role eq 'in') || + ($role eq 'ep') || ($role eq 'ad') || + ($role eq 'ta') || ($role eq 'st') || + ($role=~/^cr/) || ($role eq 'gr') || + ($role eq 'co')) { # for course roles, perform group memberships changes triggered by role change. - &courserolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,$selfenroll,$context); - unless ($role =~ /^gr/) { - &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, - $origstart,$selfenroll,$context); + unless ($role =~ /^gr/) { + &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, + $origstart,$selfenroll,$context); + } + &courserolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag, + $selfenroll,$context); + } elsif (($role eq 'li') || ($role eq 'dg') || ($role eq 'sc') || + ($role eq 'au') || ($role eq 'dc') || ($role eq 'dh') || + ($role eq 'da')) { + &domainrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag, + $context); + } elsif (($role eq 'ca') || ($role eq 'aa')) { + &coauthorrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag, + $context); } if ($role eq 'cc') { &autoupdate_coowners($url,$end,$start,$uname,$udom); @@ -6902,7 +9775,7 @@ sub modifyuser { } &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. - $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'. + $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'. (defined($desiredhome) ? ' desiredhome = '.$desiredhome : ' desiredhome not specified'). ' by '.$env{'user.name'}.' at '.$env{'user.domain'}. @@ -7048,7 +9921,7 @@ sub modifyuser { return 'ok'; } my $reply = &put('environment', \%names, $udom,$uname); - if ($reply ne 'ok') { + if ($reply ne 'ok') { return 'error: '.$reply; } if ($names{'permanentemail'} ne $oldnames{'permanentemail'}) { @@ -7066,7 +9939,7 @@ sub modifyuser { sub modifystudent { my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid, - $selfenroll,$context,$inststatus)=@_; + $selfenroll,$context,$inststatus,$credits,$instsec)=@_; if (!$cid) { unless ($cid=$env{'request.course.id'}) { return 'not_in_class'; @@ -7078,15 +9951,17 @@ sub modifystudent { $desiredhome,$email,$inststatus); unless ($reply eq 'ok') { return $reply; } # This will cause &modify_student_enrollment to get the uid from the - # students environment + # student's environment $uid = undef if (!$forceid); $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last, - $gene,$usec,$end,$start,$type,$locktype,$cid,$selfenroll,$context); + $gene,$usec,$end,$start,$type,$locktype, + $cid,$selfenroll,$context,$credits,$instsec); return $reply; } sub modify_student_enrollment { - my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,$locktype,$cid,$selfenroll,$context) = @_; + my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type, + $locktype,$cid,$selfenroll,$context,$credits,$instsec) = @_; my ($cdom,$cnum,$chome); if (!$cid) { unless ($cid=$env{'request.course.id'}) { @@ -7129,14 +10004,16 @@ sub modify_student_enrollment { $uid = $tmp{'id'} if (!defined($uid) || $uid eq ''); } my $fullname = &format_name($first,$middle,$last,$gene,'lastname'); + my $user = "$uname:$udom"; + my %old_entry = &Apache::lonnet::get('classlist',[$user],$cdom,$cnum); my $reply=cput('classlist', - {"$uname:$udom" => - join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, + {$user => + join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype,$credits,$instsec) }, $cdom,$cnum); - unless (($reply eq 'ok') || ($reply eq 'delayed')) { + if (($reply eq 'ok') || ($reply eq 'delayed')) { + &devalidate_getsection_cache($udom,$uname,$cid); + } else { return 'error: '.$reply; - } else { - &devalidate_getsection_cache($udom,$uname,$cid); } # Add student role to user my $uurl='/'.$cid; @@ -7144,7 +10021,16 @@ sub modify_student_enrollment { if ($usec) { $uurl.='/'.$usec; } - return &assignrole($udom,$uname,$uurl,'st',$end,$start,undef,$selfenroll,$context); + my $result = &assignrole($udom,$uname,$uurl,'st',$end,$start,undef, + $selfenroll,$context); + if ($result ne 'ok') { + if ($old_entry{$user} ne '') { + $reply = &cput('classlist',\%old_entry,$cdom,$cnum); + } else { + $reply = &del('classlist',[$user],$cdom,$cnum); + } + } + return $result; } sub format_name { @@ -7343,13 +10229,28 @@ sub generate_coursenum { } sub is_course { - my ($cdom,$cnum) = @_; - my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef, - undef,'.'); - if (exists($courses{$cdom.'_'.$cnum})) { - return 1; + my ($cdom, $cnum) = scalar(@_) == 1 ? + ($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_; + return unless (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)); + my $uhome=&homeserver($cnum,$cdom); + my $iscourse; + if (grep { $_ eq $uhome } current_machine_ids()) { + $iscourse = &LONCAPA::Lond::is_course($cdom,$cnum); + } else { + my $hashid = $cdom.':'.$cnum; + ($iscourse,my $cached) = &is_cached_new('iscourse',$hashid); + unless (defined($cached)) { + my %courses = &courseiddump($cdom, '.', 1, '.', '.', + $cnum,undef,undef,'.'); + $iscourse = 0; + if (exists($courses{$cdom.'_'.$cnum})) { + $iscourse = 1; + } + &do_cache_new('iscourse',$hashid,$iscourse,3600); + } } - return 0; + return unless($iscourse); + return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum; } sub store_userdata { @@ -7373,6 +10274,9 @@ sub store_userdata { $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; } $namevalue=~s/\&$//; + unless ($namespace eq 'courserequests') { + $datakey = &escape($datakey); + } $result = &reply("store:$udom:$uname:$namespace:$datakey:". $namevalue,$uhome); } @@ -7430,7 +10334,7 @@ sub is_locked { my ($file_name, $domain, $user, $which) = @_; my @check; my $is_locked; - push(@check,$file_name); + push (@check,$file_name); my %locked = &get('file_permissions',\@check, $env{'user.domain'},$env{'user.name'}); my ($tmp)=keys(%locked); @@ -7481,7 +10385,7 @@ sub save_selected_files { my ($user, $path, @files) = @_; my $filename = $user."savedfiles"; my @other_files = &files_not_in_path($user, $path); - open (OUT, '>'.$tmpdir.$filename); + open (OUT,'>',LONCAPA::tempdir().$filename); foreach my $file (@files) { print (OUT $env{'form.currentpath'}.$file."\n"); } @@ -7495,7 +10399,7 @@ sub save_selected_files { sub clear_selected_files { my ($user) = @_; my $filename = $user."savedfiles"; - open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open (OUT,'>',LONCAPA::tempdir().$filename); print (OUT undef); close (OUT); return ("ok"); @@ -7505,7 +10409,7 @@ sub files_in_path { my ($user, $path) = @_; my $filename = $user."savedfiles"; my %return_files; - open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open (IN,'<',LONCAPA::tempdir().$filename); while (my $line_in = ) { chomp ($line_in); my @paths_and_file = split (m!/!, $line_in); @@ -7527,7 +10431,7 @@ sub files_not_in_path { my $filename = $user."savedfiles"; my @return_files; my $path_part; - open(IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open(IN, '<',LONCAPA::tempdir().$filename); while (my $line = ) { #ok, I know it's clunky, but I want it to work my @paths_and_file = split(m|/|, $line); @@ -7640,9 +10544,9 @@ sub modify_access_controls { my $tries = 0; my $gotlock = &newput('file_permissions',$lockhash,$domain,$user); - while (($gotlock ne 'ok') && $tries <3) { + while (($gotlock ne 'ok') && $tries < 10) { $tries ++; - sleep 1; + sleep(0.1); $gotlock = &newput('file_permissions',$lockhash,$domain,$user); } if ($gotlock eq 'ok') { @@ -7875,26 +10779,33 @@ sub dirlist { if($udom) { if($uname) { + my $uhome = &homeserver($uname,$udom); + if ($uhome eq 'no_host') { + return ([],'no_host'); + } $listing = &reply('ls3:'.&escape('/'.$uri).':'.$getpropath.':' .$getuserdir.':'.&escape($dirRoot) - .':'.&escape($uname).':'.&escape($udom), - &homeserver($uname,$udom)); + .':'.&escape($uname).':'.&escape($udom),$uhome); if ($listing eq 'unknown_cmd') { - $listing = &reply('ls2:'.$dirRoot.'/'.$uri, - &homeserver($uname,$udom)); + $listing = &reply('ls2:'.$dirRoot.'/'.$uri,$uhome); } else { @listing_results = map { &unescape($_); } split(/:/,$listing); } if ($listing eq 'unknown_cmd') { - $listing = &reply('ls:'.$dirRoot.'/'.$uri, - &homeserver($uname,$udom)); + $listing = &reply('ls:'.$dirRoot.'/'.$uri,$uhome); @listing_results = split(/:/,$listing); } else { @listing_results = map { &unescape($_); } split(/:/,$listing); } - return @listing_results; + if (($listing eq 'no_such_host') || ($listing eq 'con_lost') || + ($listing eq 'rejected') || ($listing eq 'refused') || + ($listing eq 'no_such_dir') || ($listing eq 'empty')) { + return ([],$listing); + } else { + return (\@listing_results); + } } elsif(!$alternateRoot) { - my %allusers; + my (%allusers,%listerror); my %servers = &get_servers($udom,'library'); foreach my $tryserver (keys(%servers)) { $listing = &reply('ls3:'.&escape("/res/$udom").':::::'. @@ -7913,32 +10824,47 @@ sub dirlist { @listing_results = map { &unescape($_); } split(/:/,$listing); } - if ($listing_results[0] ne 'no_such_dir' && - $listing_results[0] ne 'empty' && - $listing_results[0] ne 'con_lost') { + if (($listing eq 'no_such_host') || ($listing eq 'con_lost') || + ($listing eq 'rejected') || ($listing eq 'refused') || + ($listing eq 'no_such_dir') || ($listing eq 'empty')) { + $listerror{$tryserver} = $listing; + } else { foreach my $line (@listing_results) { my ($entry) = split(/&/,$line,2); $allusers{$entry} = 1; } } } - my $alluserstr=''; + my @alluserslist=(); foreach my $user (sort(keys(%allusers))) { - $alluserstr.=$user.'&user:'; + push(@alluserslist,$user.'&user'); + } + if (!%listerror) { + # no errors + return (\@alluserslist); + } elsif (scalar(keys(%servers)) == 1) { + # one library server, one error + my ($key) = keys(%listerror); + return (\@alluserslist, $listerror{$key}); + } elsif ( grep { $_ eq 'con_lost' } values(%listerror) ) { + # con_lost indicates that we might miss data from at least one + # library server + return (\@alluserslist, 'con_lost'); + } else { + # multiple library servers and no con_lost -> data should be + # complete. + return (\@alluserslist); } - $alluserstr=~s/:$//; - return split(/:/,$alluserstr); + } else { - return ('missing user name'); + return ([],'missing username'); } } elsif(!defined($getpropath)) { - my @all_domains = sort(&all_domains()); - foreach my $domain (@all_domains) { - $domain = $perlvar{'lonDocRoot'}.'/res/'.$domain.'/&domain'; - } - return @all_domains; + my $path = $perlvar{'lonDocRoot'}.'/res/'; + my @all_domains = map { $path.$_.'/&domain'; } (sort(&all_domains())); + return (\@all_domains); } else { - return ('missing domain'); + return ([],'missing domain'); } } @@ -7951,11 +10877,13 @@ sub GetFileTimestamp { my ($studentDomain,$studentName,$filename,$getuserdir)=@_; $studentDomain = &LONCAPA::clean_domain($studentDomain); $studentName = &LONCAPA::clean_username($studentName); - my ($fileStat) = - &Apache::lonnet::dirlist($filename,$studentDomain,$studentName, - undef,$getuserdir); - my @stats = split('&', $fileStat); - if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { + my ($fileref,$error) = &dirlist($filename,$studentDomain,$studentName, + undef,$getuserdir); + if (($error eq 'empty') || ($error eq 'no_such_dir')) { + return -1; + } + if (ref($fileref) eq 'ARRAY') { + my @stats = split('&',$fileref->[0]); # @stats contains first the filename, then the stat output return $stats[10]; # so this is 10 instead of 9. } else { @@ -7987,12 +10915,15 @@ sub stat_file { if ($file =~ /^userfiles\//) { $getpropath = 1; } - my ($result) = &dirlist($file,$udom,$uname,$getpropath); - my @stats = split('&', $result); - - if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { - shift(@stats); #filename is first - return @stats; + my ($listref,$error) = &dirlist($file,$udom,$uname,$getpropath); + if (($error eq 'empty') || ($error eq 'no_such_dir')) { + return (); + } else { + if (ref($listref) eq 'ARRAY') { + my @stats = split('&',$listref->[0]); + shift(@stats); #filename is first + return @stats; + } } return (); } @@ -8141,10 +11072,12 @@ sub get_userresdata { } #error 2 occurs when the .db doesn't exist if ($tmp!~/error: 2 /) { - &logthis("WARNING:". - " Trying to get resource data for ". - $uname." at ".$udom.": ". - $tmp.""); + if ((!defined($cached)) || ($tmp ne 'con_lost')) { + &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',$hashid,undef,600); @@ -8184,6 +11117,26 @@ sub resdata { return undef; } +sub get_numsuppfiles { + my ($cnum,$cdom,$ignorecache)=@_; + my $hashid=$cnum.':'.$cdom; + my ($suppcount,$cached); + unless ($ignorecache) { + ($suppcount,$cached) = &is_cached_new('suppcount',$hashid); + } + unless (defined($cached)) { + my $chome=&homeserver($cnum,$cdom); + unless ($chome eq 'no_host') { + ($suppcount,my $errors) = (0,0); + my $suppmap = 'supplemental.sequence'; + ($suppcount,$errors) = + &Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,$errors); + } + &do_cache_new('suppcount',$hashid,$suppcount,600); + } + return $suppcount; +} + # # EXT resource caching routines # @@ -8212,7 +11165,7 @@ sub EXT_cache_set { # --------------------------------------------------------- Value of a Variable sub EXT { - my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; + my ($varname,$symbparm,$udom,$uname,$usection,$recurse,$cid)=@_; unless ($varname) { return ''; } #get real user name/domain, courseid and symb my $courseid; @@ -8313,15 +11266,7 @@ sub EXT { } elsif ($realm eq 'request') { # ------------------------------------------------------------- request.browser if ($space eq 'browser') { - if ($qualifier eq 'textremote') { - 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}; @@ -8335,26 +11280,51 @@ sub EXT { if (!$symbparm) { $symbparm=&symbread(); } } - if ($space eq 'title') { - if (!$symbparm) { $symbparm = $env{'request.filename'}; } - return &gettitle($symbparm); - } + if ($qualifier eq '') { + if ($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($symbparm))[2]); + if ($space eq 'map') { + my ($map) = &decode_symb($symbparm); + return &symbread($map); + } + if ($space eq 'maptitle') { + my ($map) = &decode_symb($symbparm); + return &gettitle($map); + } + if ($space eq 'filename') { + if ($symbparm) { + return &clutter((&decode_symb($symbparm))[2]); + } + return &hreflocation('',$env{'request.filename'}); } - return &hreflocation('',$env{'request.filename'}); - } + + if ((defined($courseid)) && ($courseid eq $env{'request.course.id'}) && $symbparm) { + if ($space eq 'visibleparts') { + my $navmap = Apache::lonnavmaps::navmap->new(); + my $item; + if (ref($navmap)) { + my $res = $navmap->getBySymb($symbparm); + my $parts = $res->parts(); + if (ref($parts) eq 'ARRAY') { + $item = join(',',@{$parts}); + } + undef($navmap); + } + return $item; + } + } + } my ($section, $group, @groups); my ($courselevelm,$courselevel); - if ($symbparm && defined($courseid) && - $courseid eq $env{'request.course.id'}) { + if (($courseid eq '') && ($cid)) { + $courseid = $cid; + } + if (($symbparm && $courseid) && + (($courseid eq $env{'request.course.id'}) || ($courseid eq $cid))) { #print '
'.$space.' - '.$qualifier.' - '.$spacequalifierrest; @@ -8594,17 +11564,19 @@ sub add_prefix_and_part { # ---------------------------------------------------------------- Get metadata my %metaentry; +my %importedpartids; +my %importedrespids; 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|/bulletinboard$|)) || - ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$}) || ($uri =~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) { + ($uri !~ m|^adm/includes|) && ($uri !~ m{/(smppg|bulletinboard)$})) || + ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) { return undef; } - if (($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) + if (($uri =~ /^priv/ || $uri=~m{^home/httpd/html/priv}) && &Apache::lonxml::get_state('target') =~ /^(|meta)$/) { return undef; } @@ -8620,6 +11592,12 @@ sub metadata { if (defined($cached)) { return $result->{':'.$what}; } } { +# Imported parts would go here + my @origfiletagids=(); + my $importedparts=0; + +# Imported responseids would go here + my $importedresponses=0; # # Is this a recursive call for a library? # @@ -8637,13 +11615,14 @@ sub metadata { my %metathesekeys=(); unless ($filename=~/\.meta$/) { $filename.='.meta'; } my $metastring; - if ($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) { + if ($uri =~ /^priv/ || $uri=~/home\/httpd\/html\/priv/) { 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)/-) { + } elsif (($uri !~ m -^(editupload)/-) && + ($uri !~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) { my $file=&filelocation('',&clutter($filename)); #push(@{$metaentry{$uri.'.file'}},$file); $metastring=&getfile($file); @@ -8703,27 +11682,87 @@ sub metadata { # This is not a package - some other kind of start tag # my $entry=$token->[1]; - my $unikey; - if ($entry eq 'import') { - $unikey=''; - } else { - $unikey=$entry; - } - $unikey.=&add_prefix_and_part($prefix,$token->[2]->{'part'}); - - if (defined($token->[2]->{'id'})) { - $unikey.='_'.$token->[2]->{'id'}; - } + my $unikey=''; if ($entry eq 'import') { # # Importing a library here # + my $location=$parser->get_text('/import'); + my $dir=$filename; + $dir=~s|[^/]*$||; + $location=&filelocation($dir,$location); + + my $importid=$token->[2]->{'id'}; + my $importmode=$token->[2]->{'importmode'}; +# +# Check metadata for imported file to +# see if it contained response items +# + my %currmetaentry = %metaentry; + my $libresponseorder = &metadata($location,'responseorder'); + my $origfile; + if ($libresponseorder ne '') { + if ($#origfiletagids<0) { + undef(%importedrespids); + undef(%importedpartids); + } + @{$importedrespids{$importid}} = split(/\s*,\s*/,$libresponseorder); + if (@{$importedrespids{$importid}} > 0) { + $importedresponses = 1; +# We need to get the original file and the imported file to get the response order correct +# Load and inspect original file + if ($#origfiletagids<0) { + my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri); + $origfile=&getfile($origfilelocation); + @origfiletagids=($origfile=~/<((?:\w+)response|import|part)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + } + } + } +# Do not overwrite contents of %metaentry hash for resource itself with +# hash populated for imported library file + %metaentry = %currmetaentry; + undef(%currmetaentry); + if ($importmode eq 'problem') { +# Import as problem/response + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + } elsif ($importmode eq 'part') { +# Import as part(s) + $importedparts=1; +# We need to get the original file and the imported file to get the part order correct +# Good news: we do not need to worry about nested libraries, since parts cannot be nested +# Load and inspect original file if we didn't do that already + if ($#origfiletagids<0) { + undef(%importedrespids); + undef(%importedpartids); + if ($origfile eq '') { + my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri); + $origfile=&getfile($origfilelocation); + @origfiletagids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + } + } + +# Load and inspect imported file + my $impfile=&getfile($location); + my @impfilepartids=($impfile=~/]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + if ($#impfilepartids>=0) { +# This problem had parts + $importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids); + } else { +# Importing by turning a single problem into a problem part +# It gets the import-tags ID as part-ID + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'id'}); + $importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'}; + } + } else { +# Normal import + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } + } + if ($depthcount<20) { - my $location=$parser->get_text('/import'); - my $dir=$filename; - $dir=~s|[^/]*$||; - $location=&filelocation($dir,$location); my $metadata = &metadata($uri,'keys', $location,$unikey, $depthcount+1); @@ -8731,8 +11770,16 @@ sub metadata { $metaentry{':'.$meta}=$metaentry{':'.$meta}; $metathesekeys{$meta}=1; } - } - } else { + + } + } else { +# +# Not importing, some other kind of non-package, non-library start tag +# + $unikey=$entry.&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } if (defined($token->[2]->{'name'})) { $unikey.='_'.$token->[2]->{'name'}; } @@ -8806,9 +11853,53 @@ sub metadata { grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); $metaentry{':packages'} = join(',',@uniq_packages); + if (($importedresponses) || ($importedparts)) { + if ($importedparts) { +# We had imported parts and need to rebuild partorder + $metaentry{':partorder'}=''; + $metathesekeys{'partorder'}=1; + } + if ($importedresponses) { +# We had imported responses and need to rebuild responseorder + $metaentry{':responseorder'}=''; + $metathesekeys{'responseorder'}=1; + } + for (my $index=0;$index<$#origfiletagids;$index+=2) { + my $origid = $origfiletagids[$index+1]; + if ($origfiletagids[$index] eq 'part') { +# Original part, part of the problem + if ($importedparts) { + $metaentry{':partorder'}.=','.$origid; + } + } elsif ($origfiletagids[$index] eq 'import') { + if ($importedparts) { +# We have imported parts at this position + $metaentry{':partorder'}.=','.$importedpartids{$origid}; + } + if ($importedresponses) { +# We have imported responses at this position + if (ref($importedrespids{$origid}) eq 'ARRAY') { + $metaentry{':responseorder'}.=','.join(',',map { $origid.'_'.$_ } @{$importedrespids{$origid}}); + } + } + } else { +# Original response item, part of the problem + if ($importedresponses) { + $metaentry{':responseorder'}.=','.$origid; + } + } + } + if ($importedparts) { + $metaentry{':partorder'}=~s/^\,//; + } + if ($importedresponses) { + $metaentry{':responseorder'}=~s/^\,//; + } + } + $metaentry{':keys'} = join(',',keys(%metathesekeys)); &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); - $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); + $metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys)); &do_cache_new('meta',$uri,\%metaentry,$cachetime); # this is the end of "was not already recently cached } @@ -8908,6 +11999,10 @@ sub gettitle { } $title=~s/\&colon\;/\:/gs; if ($title) { +# Remember both $symb and $title for dynamic metadata + $accesshash{$symb.'___crstitle'}=$title; + $accesshash{&declutter($map).'___'.&declutter($url).'___usage'}=time; +# Cache this title and then return it return &do_cache_new('title',$key,$title,600); } $urlsymb=$url; @@ -8940,6 +12035,84 @@ sub get_slot { } return $slotinfo{$which}; } + +sub get_reservable_slots { + my ($cnum,$cdom,$uname,$udom) = @_; + my $now = time; + my $reservable_info; + my $key=join("\0",'reservableslots',$cdom,$cnum,$uname,$udom); + if (exists($remembered{$key})) { + $reservable_info = $remembered{$key}; + } else { + my %resv; + ($resv{'now_order'},$resv{'now'},$resv{'future_order'},$resv{'future'}) = + &Apache::loncommon::get_future_slots($cnum,$cdom,$now); + $reservable_info = \%resv; + $remembered{$key} = $reservable_info; + } + return $reservable_info; +} + +sub get_course_slots { + my ($cnum,$cdom) = @_; + my $hashid=$cnum.':'.$cdom; + my ($result,$cached) = &Apache::lonnet::is_cached_new('allslots',$hashid); + if (defined($cached)) { + if (ref($result) eq 'HASH') { + return %{$result}; + } + } else { + my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum); + my ($tmp) = keys(%slots); + if ($tmp !~ /^(con_lost|error|no_such_host)/i) { + &do_cache_new('allslots',$hashid,\%slots,600); + return %slots; + } + } + return; +} + +sub devalidate_slots_cache { + my ($cnum,$cdom)=@_; + my $hashid=$cnum.':'.$cdom; + &devalidate_cache_new('allslots',$hashid); +} + +sub get_coursechange { + my ($cdom,$cnum) = @_; + if ($cdom eq '' || $cnum eq '') { + return unless ($env{'request.course.id'}); + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + } + my $hashid=$cdom.'_'.$cnum; + my ($change,$cached)=&is_cached_new('crschange',$hashid); + if ((defined($cached)) && ($change ne '')) { + return $change; + } else { + my %crshash; + %crshash = &get('environment',['internal.contentchange'],$cdom,$cnum); + if ($crshash{'internal.contentchange'} eq '') { + $change = $env{'course.'.$cdom.'_'.$cnum.'.internal.created'}; + if ($change eq '') { + %crshash = &get('environment',['internal.created'],$cdom,$cnum); + $change = $crshash{'internal.created'}; + } + } else { + $change = $crshash{'internal.contentchange'}; + } + my $cachetime = 600; + &do_cache_new('crschange',$hashid,$change,$cachetime); + } + return $change; +} + +sub devalidate_coursechange_cache { + my ($cnum,$cdom)=@_; + my $hashid=$cnum.':'.$cdom; + &devalidate_cache_new('crschange',$hashid); +} + # ------------------------------------------------- Update symbolic store links sub symblist { @@ -8967,7 +12140,7 @@ sub symblist { # --------------------------------------------------------------- Verify a symb sub symbverify { - my ($symb,$thisurl)=@_; + my ($symb,$thisurl,$encstate)=@_; my $thisfn=$thisurl; $thisfn=&declutter($thisfn); # direct jump to resource in page or to a sequence - will construct own symbs @@ -8986,31 +12159,46 @@ sub symbverify { if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { + my $noclutter; if (($thisurl =~ m{^/adm/wrapper/ext/}) || ($thisurl =~ m{^ext/})) { $thisurl =~ s/\?.+$//; + if ($map =~ m{^uploaded/.+\.page$}) { + $thisurl =~ s{^(/adm/wrapper|)/ext/}{http://}; + $thisurl =~ s{^\Qhttp://https://\E}{https://}; + $noclutter = 1; + } + } + my $ids; + if ($noclutter) { + $ids=$bighash{'ids_'.$thisurl}; + } else { + $ids=$bighash{'ids_'.&clutter($thisurl)}; } - my $ids=$bighash{'ids_'.&clutter($thisurl)}; - unless ($ids) { - my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl; - $ids=$bighash{$idkey}; + unless ($ids) { + my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl; + $ids=$bighash{$idkey}; } if ($ids) { # ------------------------------------------------------------------- Has ID(s) + if ($thisfn =~ m{^/adm/wrapper/ext/}) { + $symb =~ s/\?.+$//; + } foreach my $id (split(/\,/,$ids)) { my ($mapid,$resid)=split(/\./,$id); - if ($thisfn =~ m{^/adm/wrapper/ext/}) { - $symb =~ s/\?.+$//; - } if ( &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) - eq $symb) { - if (($env{'request.role.adv'}) || - ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) || - ($thisurl eq '/adm/navmaps')) { - $okay=1; - } - } - } + eq $symb) { + if (ref($encstate)) { + $$encstate = $bighash{'encrypted_'.$id}; + } + if (($env{'request.role.adv'}) || + ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) || + ($thisurl eq '/adm/navmaps')) { + $okay=1; + last; + } + } + } } untie(%bighash); } @@ -9082,15 +12270,21 @@ sub deversion { # ------------------------------------------------------ Return symb list entry sub symbread { - my ($thisfn,$donotrecurse)=@_; + my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles)=@_; my $cache_str='request.symbread.cached.'.$thisfn; - if (defined($env{$cache_str})) { return $env{$cache_str}; } + if (defined($env{$cache_str})) { + if ($ignorecachednull) { + return $env{$cache_str} unless ($env{$cache_str} eq ''); + } else { + return $env{$cache_str}; + } + } # no filename provided? try from environment unless ($thisfn) { if ($env{'request.symb'}) { - return $env{$cache_str}=&symbclean($env{'request.symb'}); - } - $thisfn=$env{'request.filename'}; + 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 @@ -9146,18 +12340,46 @@ sub symbread { my ($mapid,$resid)=split(/\./,$ids); $syval=&encode_symb($bighash{'map_id_'.$mapid}, $resid,$thisfn); - } elsif (!$donotrecurse) { + if (ref($possibles) eq 'HASH') { + $possibles->{$syval} = 1; + } + if ($checkforblock) { + my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids}); + if (@blockers) { + $syval = ''; + return; + } + } + } elsif ((!$donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) { # ------------------------------------------ There is more than one possibility my $realpossible=0; foreach my $id (@possibilities) { my $file=$bighash{'src_'.$id}; - if (&allowed('bre',$file)) { - my ($mapid,$resid)=split(/\./,$id); - if ($bighash{'map_type_'.$mapid} ne 'page') { - $realpossible++; - $syval=&encode_symb($bighash{'map_id_'.$mapid}, - $resid,$thisfn); - } + my $canaccess; + if (($donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) { + $canaccess = 1; + } else { + $canaccess = &allowed('bre',$file); + } + if ($canaccess) { + my ($mapid,$resid)=split(/\./,$id); + if ($bighash{'map_type_'.$mapid} ne 'page') { + my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid}, + $resid,$thisfn); + if (ref($possibles) eq 'HASH') { + $possibles->{$syval} = 1; + } + if ($checkforblock) { + my @blockers = &has_comm_blocking('bre',$poss_syval,$file); + unless (@blockers > 0) { + $syval = $poss_syval; + $realpossible++; + } + } else { + $syval = $poss_syval; + $realpossible++; + } + } } } if ($realpossible!=1) { $syval=''; } @@ -9165,7 +12387,7 @@ sub symbread { $syval=''; } } - untie(%bighash) + untie(%bighash); } } if ($syval) { @@ -9281,18 +12503,42 @@ sub getCODE { } return undef; } - +# +# Determines the random seed for a specific context: +# +# parameters: +# symb - in course context the symb for the seed. +# course_id - The course id of the form domain_coursenum. +# domain - Domain for the user. +# course - Course for the user. +# cenv - environment of the course. +# +# NOTE: +# All parameters are picked out of the environment if missing +# or not defined. +# If a symb cannot be determined the current time is used instead. +# +# For a given well defined symb, courside, domain, username, +# and course environment, the seed is reproducible. +# sub rndseed { - my ($symb,$courseid,$domain,$username)=@_; + my ($symb,$courseid,$domain,$username, $cenv)=@_; my ($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=&get_rand_alg(); + if (!defined $courseid) { + $courseid=$wcourseid; + } + if (!defined $domain) { $domain=$wdomain; } + if (!defined $username) { $username=$wusername } + my $which; + if (defined($cenv->{'rndseed'})) { + $which = $cenv->{'rndseed'}; + } else { + $which =&get_rand_alg($courseid); + } if (defined(&getCODE())) { if ($which eq '64bit5') { return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username); @@ -9479,8 +12725,12 @@ sub rndseed_CODE_64bit5 { sub setup_random_from_rndseed { my ($rndseed)=@_; if ($rndseed =~/([,:])/) { - my ($num1,$num2)=split(/[,:]/,$rndseed); - &Math::Random::random_set_seed(abs($num1),abs($num2)); + my ($num1,$num2) = map { abs($_); } (split(/[,:]/,$rndseed)); + if ((!$num1) || (!$num2) || ($num1 > 2147483562) || ($num2 > 2147483398)) { + &Math::Random::random_set_seed_from_phrase($rndseed); + } else { + &Math::Random::random_set_seed($num1,$num2); + } } else { &Math::Random::random_set_seed_from_phrase($rndseed); } @@ -9617,8 +12867,9 @@ sub getfile { sub repcopy_userfile { my ($file)=@_; - if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } - if ($file =~ m|^/home/httpd/html/lonUsers/|) { return 'ok'; } + my $londocroot = $perlvar{'lonDocRoot'}; + if ($file =~ m{^/*(uploaded|editupload)/}) { $file=&filelocation("",$file); } + if ($file =~ m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; } my ($cdom,$cnum,$filename) = ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|); my $uri="/uploaded/$cdom/$cnum/$filename"; @@ -9731,7 +12982,7 @@ sub readfile { my $file = shift; if ( (! -e $file ) || ($file eq '') ) { return -1; }; my $fh; - open($fh,"<$file"); + open($fh,"<",$file); my $a=''; while (my $line = <$fh>) { $a .= $line; } return $a; @@ -9747,13 +12998,7 @@ sub filelocation { $file=~s-^/adm/coursedocs/showdoc/-/-; } - if ($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 =~ m-^\Q$Apache::lonnet::perlvar{'lonTabDir'}\E/-) { + if ($file =~ m-^\Q$Apache::lonnet::perlvar{'lonTabDir'}\E/-) { $location = $file; } elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file my ($udom,$uname,$filename)= @@ -9763,7 +13008,7 @@ sub filelocation { 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; + $location=propath($udom,$uname).'/userfiles/'.$filename; } else { $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. $udom.'/'.$uname.'/'.$filename; @@ -9772,11 +13017,12 @@ sub filelocation { $location = $perlvar{'lonDocRoot'}.'/'.$file; } else { $file=~s/^\Q$perlvar{'lonDocRoot'}\E//; - $file=~s:^/res/:/:; + $file=~s:^/(res|priv)/:/:; + my $space=$1; if ( !( $file =~ m:^/:) ) { $location = $dir. '/'.$file; } else { - $location = '/home/httpd/html/res'.$file; + $location = $perlvar{'lonDocRoot'}.'/'.$space.$file; } } $location=~s://+:/:g; # remove duplicate / @@ -9801,11 +13047,9 @@ sub hreflocation { } if ($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; + $file=~s{^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/} + {/uploaded/$1/$2/}x; } if ($file=~ m{^/userfiles/}) { $file =~ s{^/userfiles/}{/uploaded/}; @@ -9813,6 +13057,10 @@ sub hreflocation { return $file; } + + + + sub current_machine_domains { return &machine_domains(&hostname($perlvar{'lonHostID'})); } @@ -9847,7 +13095,7 @@ sub machine_ids { sub additional_machine_domains { my @domains; - open(my $fh,"<$perlvar{'lonTabDir'}/expected_domains.tab"); + open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab"); while( my $line = <$fh>) { $line =~ s/\s//g; push(@domains,$line); @@ -9868,16 +13116,40 @@ sub default_login_domain { return $domain; } +sub shared_institution { + my ($dom) = @_; + my $same_intdom; + my $hostintdom = &internet_dom($perlvar{'lonHostID'}); + if ($hostintdom ne '') { + my %iphost = &get_iphost(); + my $primary_id = &domain($dom,'primary'); + my $primary_ip = &get_host_ip($primary_id); + if (ref($iphost{$primary_ip}) eq 'ARRAY') { + foreach my $id (@{$iphost{$primary_ip}}) { + my $intdom = &internet_dom($id); + if ($intdom eq $hostintdom) { + $same_intdom = 1; + last; + } + } + } + } + return $same_intdom; +} + # ------------------------------------------------------------- Declutters URLs sub declutter { my $thisfn=shift; if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } - $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; + unless ($thisfn=~m{^/home/httpd/html/priv/}) { + $thisfn=~s{^/home/httpd/html}{}; + } $thisfn=~s/^\///; $thisfn=~s|^adm/wrapper/||; $thisfn=~s|^adm/coursedocs/showdoc/||; $thisfn=~s/^res\///; + $thisfn=~s/^priv\///; unless (($thisfn =~ /^ext/) || ($thisfn =~ /\.(page|sequence)___\d+___ext/)) { $thisfn=~s/\?.+$//; } @@ -9977,47 +13249,109 @@ sub goodbye { } sub get_dns { - my ($url,$func,$ignore_cache) = @_; + my ($url,$func,$ignore_cache,$nocache,$hashref) = @_; if (!$ignore_cache) { my ($content,$cached)= &Apache::lonnet::is_cached_new('dns',$url); if ($cached) { - &$func($content); + &$func($content,$hashref); return; } } my %alldns; - open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); - foreach my $dns (<$config>) { - next if ($dns !~ /^\^(\S*)/x); - my $line = $1; - my ($host,$protocol) = split(/:/,$line); - if ($protocol ne 'https') { - $protocol = 'http'; + if (open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab")) { + foreach my $dns (<$config>) { + next if ($dns !~ /^\^(\S*)/x); + my $line = $1; + my ($host,$protocol) = split(/:/,$line); + if ($protocol ne 'https') { + $protocol = 'http'; + } + $alldns{$host} = $protocol; } - $alldns{$host} = $protocol; + close($config); } while (%alldns) { - my ($dns) = keys(%alldns); + my ($dns) = sort { $b cmp $a } keys(%alldns); my $ua=new LWP::UserAgent; + $ua->timeout(30); my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url"); my $response=$ua->request($request); delete($alldns{$dns}); next if ($response->is_error()); my @content = split("\n",$response->content); - &Apache::lonnet::do_cache_new('dns',$url,\@content,30*24*60*60); - &$func(\@content); + unless ($nocache) { + &do_cache_new('dns',$url,\@content,30*24*60*60); + } + &$func(\@content,$hashref); return; } - close($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); + if (open(my $config,"<","$perlvar{'lonTabDir'}/dns_$which.tab")) { + my @content = <$config>; + &$func(\@content,$hashref); + } return; } + +# ------------------------------------------------------Get DNS checksums file +sub parse_dns_checksums_tab { + my ($lines,$hashref) = @_; + my $lonhost = $perlvar{'lonHostID'}; + my $machine_dom = &Apache::lonnet::host_domain($lonhost); + my $loncaparev = &get_server_loncaparev($machine_dom); + my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0]; + my $webconfdir = '/etc/httpd/conf'; + if ($distro =~ /^(ubuntu|debian)(\d+)$/) { + $webconfdir = '/etc/apache2'; + } elsif ($distro =~ /^sles(\d+)$/) { + if ($1 >= 10) { + $webconfdir = '/etc/apache2'; + } + } elsif ($distro =~ /^suse(\d+\.\d+)$/) { + if ($1 >= 10.0) { + $webconfdir = '/etc/apache2'; + } + } + my ($release,$timestamp) = split(/\-/,$loncaparev); + my (%chksum,%revnum); + if (ref($lines) eq 'ARRAY') { + chomp(@{$lines}); + my $version = shift(@{$lines}); + if ($version eq $release) { + foreach my $line (@{$lines}) { + my ($file,$version,$shasum) = split(/,/,$line); + if ($file =~ m{^/etc/httpd/conf}) { + if ($webconfdir eq '/etc/apache2') { + $file =~ s{^\Q/etc/httpd/conf/\E}{$webconfdir/}; + } + } + $chksum{$file} = $shasum; + $revnum{$file} = $version; + } + if (ref($hashref) eq 'HASH') { + %{$hashref} = ( + sums => \%chksum, + versions => \%revnum, + ); + } + } + } + return; +} + +sub fetch_dns_checksums { + my %checksums; + my $machine_dom = &Apache::lonnet::host_domain($perlvar{'lonHostID'}); + my $loncaparev = &get_server_loncaparev($machine_dom,$perlvar{'lonHostID'}); + my ($release,$timestamp) = split(/\-/,$loncaparev); + &get_dns("/adm/dns/checksums/$release",\&parse_dns_checksums_tab,1,1, + \%checksums); + return \%checksums; +} + # ------------------------------------------------------------ Read domain file { my $loaded; @@ -10046,10 +13380,10 @@ sub get_dns { } sub load_domain_tab { - my ($ignore_cache) = @_; - &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache); + my ($ignore_cache,$nocache) = @_; + &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache,$nocache); my $fh; - if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) { + if (open($fh,"<",$perlvar{'lonTabDir'}.'/domain.tab')) { my @lines = <$fh>; &parse_domain_tab(\@lines); } @@ -10092,7 +13426,7 @@ sub get_dns { foreach my $configline (@$file) { next if ($configline =~ /^(\#|\s*$ )/x); chomp($configline); - if ($configline =~ /^\^/) { + if ($configline =~ /^\^/) { if ($configline =~ /^\^([\w.\-]+)/) { $LC_dns_serv{$1} = 1; } @@ -10101,8 +13435,23 @@ sub get_dns { my ($id,$domain,$role,$name,$protocol,$intdom)=split(/:/,$configline); $name=~s/\s//g; if ($id && $domain && $role && $name) { + if ((exists($hostname{$id})) && ($hostname{$id} ne '')) { + my $curr = $hostname{$id}; + my $skip; + if (ref($name_to_host{$curr}) eq 'ARRAY') { + if (($curr eq $name) && (@{$name_to_host{$curr}} == 1)) { + $skip = 1; + } else { + @{$name_to_host{$curr}} = grep { $_ ne $id } @{$name_to_host{$curr}}; + } + } + unless ($skip) { + push(@{$name_to_host{$name}},$id); + } + } else { + push(@{$name_to_host{$name}},$id); + } $hostname{$id}=$name; - push(@{$name_to_host{$name}}, $id); $hostdom{$id}=$domain; if ($role eq 'library') { $libserv{$id}=$name; } if (defined($protocol)) { @@ -10133,9 +13482,9 @@ sub get_dns { } 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 ($ignore_cache,$nocache) = @_; + &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache,$nocache); + open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab"); my @config = <$config>; &parse_hosts_tab(\@config); close($config); @@ -10156,7 +13505,8 @@ sub get_dns { } sub all_names { - &load_hosts_tab() if (!$loaded); + my ($ignore_cache,$nocache) = @_; + &load_hosts_tab($ignore_cache,$nocache) if (!$loaded); return %name_to_host; } @@ -10179,7 +13529,7 @@ sub get_dns { } sub unique_library { - #2x reverse removes all hostnames that appear more than once + #2x reverse removes all hostnames that appear more than once my %unique = reverse &all_library(); return reverse %unique; } @@ -10209,7 +13559,7 @@ sub get_dns { sub get_unique_servers { my %unique = reverse &get_servers(@_); - return reverse %unique; + return reverse %unique; } sub host_domain { @@ -10233,6 +13583,14 @@ sub get_dns { my ($lonid) = @_; return $internetdom{$lonid}; } + + sub is_LC_dns { + &load_hosts_tab() if (!$loaded); + + my ($hostname) = @_; + return exists($LC_dns_serv{$hostname}); + } + } { @@ -10270,7 +13628,7 @@ sub get_dns { } sub get_iphost { - my ($ignore_cache) = @_; + my ($ignore_cache,$nocache) = @_; if (!$ignore_cache) { if (%iphost) { @@ -10294,7 +13652,7 @@ sub get_dns { %old_name_to_ip = %{$ip_info->[1]}; } - my %name_to_host = &all_names(); + my %name_to_host = &all_names($ignore_cache,$nocache); foreach my $name (keys(%name_to_host)) { my $ip; if (!exists($name_to_ip{$name})) { @@ -10319,9 +13677,11 @@ sub get_dns { } push(@{$iphost{$ip}},@{$name_to_host{$name}}); } - &Apache::lonnet::do_cache_new('iphost','iphost', - [\%iphost,\%name_to_ip,\%lonid_to_ip], - 48*60*60); + unless ($nocache) { + &do_cache_new('iphost','iphost', + [\%iphost,\%name_to_ip,\%lonid_to_ip], + 48*60*60); + } return %iphost; } @@ -10377,15 +13737,48 @@ sub get_dns { } $seen{$prim_ip} = 1; } - return &Apache::lonnet::do_cache_new('internetnames',$lonid,\@idns,12*60*60); + return &do_cache_new('internetnames',$lonid,\@idns,12*60*60); } } sub all_loncaparevs { - return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10); + return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11); +} + +# ------------------------------------------------------- Read loncaparev table +{ + sub load_loncaparevs { + if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") { + if (open(my $config,"<","$perlvar{'lonTabDir'}/loncaparevs.tab")) { + while (my $configline=<$config>) { + chomp($configline); + my ($hostid,$loncaparev)=split(/:/,$configline); + $loncaparevs{$hostid}=$loncaparev; + } + close($config); + } + } + } } +# ----------------------------------------------------- Read serverhostID table +{ + sub load_serverhomeIDs { + if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") { + if (open(my $config,"<","$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { + while (my $configline=<$config>) { + chomp($configline); + my ($name,$id)=split(/:/,$configline); + $serverhomeIDs{$name}=$id; + } + close($config); + } + } + } +} + + BEGIN { # ----------------------------------- Read loncapa.conf and loncapa_apache.conf @@ -10398,7 +13791,7 @@ BEGIN { # ------------------------------------------------------ Read spare server file { - open(my $config,"<$perlvar{'lonTabDir'}/spare.tab"); + open(my $config,"<","$perlvar{'lonTabDir'}/spare.tab"); while (my $configline=<$config>) { chomp($configline); @@ -10412,7 +13805,7 @@ BEGIN { } # ------------------------------------------------------------ Read permissions { - open(my $config,"<$perlvar{'lonTabDir'}/roles.tab"); + open(my $config,"<","$perlvar{'lonTabDir'}/roles.tab"); while (my $configline=<$config>) { chomp($configline); @@ -10426,7 +13819,7 @@ BEGIN { # -------------------------------------------- Read plain texts for permissions { - open(my $config,"<$perlvar{'lonTabDir'}/rolesplain.tab"); + open(my $config,"<","$perlvar{'lonTabDir'}/rolesplain.tab"); while (my $configline=<$config>) { chomp($configline); @@ -10446,7 +13839,7 @@ BEGIN { # ---------------------------------------------------------- Read package table { - open(my $config,"<$perlvar{'lonTabDir'}/packages.tab"); + open(my $config,"<","$perlvar{'lonTabDir'}/packages.tab"); while (my $configline=<$config>) { if ($configline !~ /\S/ || $configline=~/^#/) { next; } @@ -10461,34 +13854,15 @@ BEGIN { close($config); } -# ---------------------------------------------------------- Read loncaparev table -{ - if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") { - if (open(my $config,"<$perlvar{'lonTabDir'}/loncaparevs.tab")) { - while (my $configline=<$config>) { - chomp($configline); - my ($hostid,$loncaparev)=split(/:/,$configline); - $loncaparevs{$hostid}=$loncaparev; - } - close($config); - } - } -} +# --------------------------------------------------------- Read loncaparev table -# ---------------------------------------------------------- Read serverhostID table -{ - if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") { - if (open(my $config,"<$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { - while (my $configline=<$config>) { - chomp($configline); - my ($name,$id)=split(/:/,$configline); - $serverhomeIDs{$name}=$id; - } - close($config); - } - } -} +&load_loncaparevs(); + +# ------------------------------------------------------- Read serverhostID table + +&load_serverhomeIDs(); +# ---------------------------------------------------------- Read releaseslist XML { my $file = $Apache::lonnet::perlvar{'lonTabDir'}.'/releaseslist.xml'; if (-e $file) { @@ -10508,12 +13882,33 @@ BEGIN { } } +# ---------------------------------------------------------- Read managers table +{ + if (-e "$perlvar{'lonTabDir'}/managers.tab") { + if (open(my $config,"<","$perlvar{'lonTabDir'}/managers.tab")) { + while (my $configline=<$config>) { + chomp($configline); + next if ($configline =~ /^\#/); + if (($configline =~ /^[\w\-]+$/) || ($configline =~ /^[\w\-]+\:[\w\-]+$/)) { + $managerstab{$configline} = 1; + } + } + close($config); + } + } +} + # ------------- set up temporary directory { - $tmpdir = $perlvar{'lonDaemons'}.'/tmp/'; + $tmpdir = LONCAPA::tempdir(); } +# ------------- set default texengine (domain default overrides this) +{ + $deftex = LONCAPA::texengine(); +} + $memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'], 'compress_threshold'=> 20_000, }); @@ -10671,8 +14066,8 @@ were new keys. I.E. 1:foo will become 1: Calling convention: - my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname,$home); - &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$home); + my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname); + &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$laststore); For more detailed information, see lonnet specific documentation. @@ -10745,7 +14140,7 @@ $checkdefauth is optional (value is 1 if authenticate user using default authentication method, and allow account creation if username does not have account in the domain). $clientcancheckhost is optional (value is 1 if checking whether the - server can host will occur on the client side in lonauth.pm). + server can host will occur on the client side in lonauth.pm). =item * X @@ -10771,7 +14166,13 @@ B: store away a list =item * X -B: get user privileges +B: get user privileges. +returns user role, first access and timer interval hashes + +=item * +X +B: returns a true if user has a +privileged and active role (i.e. su or dc), false otherwise. =item * X @@ -10802,19 +14203,51 @@ escaped strings of the action recorded i =item * -allowed($priv,$uri,$symb,$role) : check for a user privilege; returns codes for allowed actions +allowed($priv,$uri,$symb,$role,$clientip,$noblockcheck) : check for a user privilege; +returns codes for allowed actions. + +The first argument is required, all others are optional. + +$priv is the privilege being checked. +$uri contains additional information about what is being checked for access (e.g., +URL, course ID etc.). +$symb is the unique resource instance identifier in a course; if needed, +but not provided, it will be retrieved via a call to &symbread(). +$role is the role for which a priv is being checked (only used if priv is evb). +$clientip is the user's IP address (only used when checking for access to portfolio +files). +$noblockcheck, if true, skips calls to &has_comm_blocking() for the bre priv. This +prevents recursive calls to &allowed. + F: full access U,I,K: authentication modes (cxx only) '': forbidden 1: user needs to choose course 2: browse allowed A: passphrase authentication needed + B: access temporarily blocked because of a blocking event in a course. =item * -definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom -role rolename set privileges in format of lonTabs/roles.tab for system, domain, -and course level +constructaccess($url,$setpriv) : check for access to construction space URL + +See if the owner domain and name in the URL match those in the +expected environment. If so, return three element list +($ownername,$ownerdomain,$ownerhome). + +Otherwise return the null string. + +If second argument 'setpriv' is true, it assigns the privileges, +and returns the same three element list, unless the owner has +blocked "ad hoc" Domain Coordinator access to the Author Space, +in which case the null string is returned. + +=item * + +definerole($rolename,$sysrole,$domrole,$courole,$uname,$udom) : define role; +define a custom role rolename set privileges in format of lonTabs/roles.tab +for system, domain, and course level. $uname and $udom are optional (current +user's username and domain will be used when either of $uname or $udom are absent. =item * @@ -10828,7 +14261,7 @@ environment). If no custom name is defi =item * -get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec) : +get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv) : 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 $context is 'userroles', roles for the user himself, @@ -10842,6 +14275,41 @@ of role statuses (active, future or prev to restrict the list of roles reported. If no array ref is provided for types, will default to return only active roles. +=item * + +in_course($udom,$uname,$cdom,$cnum,$type,$hideprivileged) : determine if +user: $uname:$udom has a role in the course: $cdom_$cnum. + +Additional optional arguments are: $type (if role checking is to be restricted +to certain user status types -- previous (expired roles), active (currently +available roles) or future (roles available in the future), and +$hideprivileged -- if true will not report course roles for users who +have active Domain Coordinator role in course's domain or in additional +domains (specified in 'Domains to check for privileged users' in course +environment -- set via: Course Settings -> Classlists and staff listing). + +=item * + +privileged($username,$domain,$possdomains,$possroles) : returns 1 if user +$username:$domain is a privileged user (e.g., Domain Coordinator or Super User) +$possdomains and $possroles are optional array refs -- to domains to check and +roles to check. If $possdomains is not specified, a dump will be done of the +users' roles.db to check for a dc or su role in any domain. This can be +time consuming if &privileged is called repeatedly (e.g., when displaying a +classlist), so in such cases, supplying a $possdomains array is preferred, as +this then allows &privileged_by_domain() to be used, which caches the identity +of privileged users, eliminating the need for repeated calls to &dump(). + +=item * + +privileged_by_domain($possdomains,$roles) : returns a hash of a hash of a hash, +where the outer hash keys are domains specified in the $possdomains array ref, +next inner hash keys are privileged roles specified in the $roles array ref, +and the innermost hash contains key = value pairs for username:domain = end:start +for active or future "privileged" users with that role in that domain. To avoid +repeated dumps of domain roles -- via &get_domain_roles() -- contents of the +innerhash are cached using priv_$role and $dom as the identifiers. + =back =head2 User Modification @@ -10883,8 +14351,8 @@ or when Autoupdate.pl is run by cron in modifystudent modify a student's enrollment and identification information. -The course id is resolved based on the current users environment. -This means the envoking user must be a course coordinator or otherwise +The course id is resolved based on the current user's environment. +This means the invoking user must be a course coordinator or otherwise associated with a course. This call is essentially a wrapper for lonnet::modifyuser and @@ -10934,7 +14402,9 @@ Inputs: =item B<$context> role change context (shown in User Management Logs display in a course) -=item B<$inststatus> institutional status of user - : separated string of escaped status types +=item B<$inststatus> institutional status of user - : separated string of escaped status types + +=item B<$credits> Number of credits student will earn from this class - only needs to be supplied if value needs to be different from default credits for class. =back @@ -10942,20 +14412,20 @@ Inputs: modify_student_enrollment -Change a students enrollment status in a class. The environment variable +Change a student's enrollment status in a class. The environment variable 'role.request.course' must be defined for this function to proceed. Inputs: =over 4 -=item $udom, students domain +=item $udom, student's domain -=item $uname, students name +=item $uname, student's name -=item $uid, students user id +=item $uid, student's user id -=item $first, students first name +=item $first, student's first name =item $middle @@ -10979,6 +14449,10 @@ Inputs: =item $context +=item $credits, number of credits student will earn from this class + +=item $instsec, institutional course section code for student + =back @@ -11004,17 +14478,38 @@ revokecustomrole($udom,$uname,$url,$role =item * -coursedescription($courseid) : returns a hash of information about the +coursedescription($courseid,$options) : 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' +$options is an optional parameter that if supplied is a hash reference that controls +what how this function works. It has the following key/values: + +=over 4 + +=item freshen_cache + +If defined, and the environment cache for the course is valid, it is +returned in the returned hash. + +=item one_time + +If defined, the last cache time is set to _now_ + +=item user + +If defined, the supplied username is used instead of the current user. + + +=back + =item * resdata($name,$domain,$type,@which) : request for current parameter setting for a specific $type, where $type is either 'course' or 'user', @what should be a list of parameters to ask about. This routine caches -answers for 5 minutes. +answers for 10 minutes. =item * @@ -11023,6 +14518,9 @@ data base, returning a hash that is keye values that are the resource value. I believe that the timestamps and versions are also returned. +get_numsuppfiles($cnum,$cdom) : retrieve number of files in a course's +supplemental content area. This routine caches the number of files for +10 minutes. =back @@ -11043,6 +14541,101 @@ createcourse($udom,$description,$url,$co generate_coursenum($udom,$crstype) : get a unique (unused) course number in domain $udom for course type $crstype (Course or Community). +=item * + +is_course($courseid), is_course($cdom, $cnum) + +Accepts either a combined $courseid (in the form of domain_courseid) or the +two component version $cdom, $cnum. It checks if the specified course exists. + +Returns: + undef if the course doesn't exist, otherwise + in scalar context the combined courseid. + in list context the two components of the course identifier, domain and + courseid. + +=back + +=head2 Bubblesheet Configuration + +=over 4 + +=item * + +get_scantron_config($which) + +$which - the name of the configuration to parse from the file. + +Parses and returns the bubblesheet configuration line selected as a +hash of configuration file fields. + + +Returns: + If the named configuration is not in the file, an empty + hash is returned. + + a hash with the fields + name - internal name for the this configuration setup + description - text to display to operator that describes this config + CODElocation - if 0 or the string 'none' + - no CODE exists for this config + if -1 || the string 'letter' + - a CODE exists for this config and is + a string of letters + Unsupported value (but planned for future support) + if a positive integer + - The CODE exists as the first n items from + the question section of the form + if the string 'number' + - The CODE exists for this config and is + a string of numbers + CODEstart - (only matter if a CODE exists) column in the line where + the CODE starts + CODElength - length of the CODE + IDstart - column where the student/employee ID starts + IDlength - length of the student/employee ID info + Qstart - column where the information from the bubbled + 'questions' start + Qlength - number of columns comprising a single bubble line from + the sheet. (usually either 1 or 10) + Qon - either a single character representing the character used + to signal a bubble was chosen in the positional setup, or + the string 'letter' if the letter of the chosen bubble is + in the final, or 'number' if a number representing the + chosen bubble is in the file (1->A 0->J) + Qoff - the character used to represent that a bubble was + left blank + PaperID - if the scanning process generates a unique number for each + sheet scanned the column that this ID number starts in + PaperIDlength - number of columns that comprise the unique ID number + for the sheet of paper + FirstName - column that the first name starts in + FirstNameLength - number of columns that the first name spans + LastName - column that the last name starts in + LastNameLength - number of columns that the last name spans + BubblesPerRow - number of bubbles available in each row used to + bubble an answer. (If not specified, 10 assumed). + + +=item * + +get_scantronformat_file($cdom) + +$cdom - the course's domain (optional); if not supplied, uses +domain for current $env{'request.course.id'}. + +Returns an array containing lines from the scantron format file for +the domain of the course. + +If a url for a custom.tab file is listed in domain's configuration.db, +lines are from this file. + +Otherwise, if a default.tab has been published in RES space by the +domainconfig user, lines are from this file. + +Otherwise, fall back to getting lines from the legacy file on the +local server: /home/httpd/lonTabs/default_scantronformat.tab + =back =head2 Resource Subroutines @@ -11070,10 +14663,15 @@ resource. Expects the local filesystem p =item * -EXT($varname,$symb,$udom,$uname) : evaluates and returns the value of -a vairety of different possible values, $varname should be a request -string, and the other parameters can be used to specify who and what -one is asking about. +EXT($varname,$symb,$udom,$uname,$usection,$recurse,$cid) : evaluates +and returns the value of a variety of different possible values, +$varname should be a request string, and the other parameters can be +used to specify who and what one is asking about. Ordinarily, $cid +does not need to be specified, as it is retrived from +$env{'request.course.id'}, but &Apache::lonnet::EXT() is called +within lonuserstate::loadmap() when initializing a course, before +$env{'request.course.id'} has been set, so it needs to be provided +in that one case. Possible values for $varname are environment.lastname (or other item from the envirnment hash), user.name (or someother aspect about the @@ -11106,17 +14704,32 @@ will be stored for query =item * -symbread($filename) : return symbolic list entry (filename argument optional); +symbread($filename,$donotrecurse,$ignorecachednull,$checkforblock,$possibles) : +return symbolic list entry (all arguments optional). + +Args: filename is the filename (including path) for the file for which a symb +is required; donotrecurse, if true will prevent calls to allowed() being made +to check access status if more than one resource was found in the bighash +(see rev. 1.249) to avoid an infinite loop if an ambiguous resource is part of +a randompick); ignorecachednull, if true will prevent a symb of '' being +returned if $env{$cache_str} is defined as ''; checkforblock if true will +cause possible symbs to be checked to determine if they are subject to content +blocking, if so they will not be included as possible symbs; possibles is a +ref to a hash, which, as a side effect, will be populated with all possible +symbs (content blocking not tested). + returns the data handle =item * -symbverify($symb,$thisfn) : verifies that $symb actually exists and is -a possible symb for the URL in $thisfn, and if is an encryypted +symbverify($symb,$thisfn,$encstate) : verifies that $symb actually exists +and is a possible symb for the URL in $thisfn, and if is an encrypted 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'} - +on failure, user must be in a course, as it assumes the existence of +the course initial hash, and uses $env('request.course.id'}. The third +arg is an optional reference to a scalar. If this arg is passed in the +call to symbverify, it will be set to 1 if the symb has been set to be +encrypted; otherwise it will be null. =item * @@ -11169,6 +14782,34 @@ expirespread($uname,$udom,$stype,$usymb) devalidate($symb) : devalidate temporary spreadsheet calculations, forcing spreadsheet to reevaluate the resource scores next time. +=item * + +can_edit_resource($file,$cnum,$cdom,$resurl,$symb,$group) : determine if current user can edit a particular resource, +when viewing in course context. + + input: six args -- filename (decluttered), course number, course domain, + url, symb (if registered) and group (if this is a + group item -- e.g., bulletin board, group page etc.). + + output: array of five scalars -- + $cfile -- url for file editing if editable on current server + $home -- homeserver of resource (i.e., for author if published, + or course if uploaded.). + $switchserver -- 1 if server switch will be needed. + $forceedit -- 1 if icon/link should be to go to edit mode + $forceview -- 1 if icon/link should be to go to view mode + +=item * + +is_course_upload($file,$cnum,$cdom) + +Used in course context to determine if current file was uploaded to +the course (i.e., would be found in /userfiles/docs on the course's +homeserver. + + input: 3 args -- filename (decluttered), course number and course domain. + output: boolean -- 1 if file was uploaded. + =back =head2 Storing/Retreiving Data @@ -11177,15 +14818,21 @@ forcing spreadsheet to reevaluate the re =item * -store($storehash,$symb,$namespace,$udom,$uname) : stores hash permanently -for this url; hashref needs to be given and should be a \%hashname; the -remaining args aren't required and if they aren't passed or are '' they will -be derived from the env +store($storehash,$symb,$namespace,$udom,$uname,$laststore) : 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 (with the exception of $laststore, which is an +optional arg used when a user's submission is stored in grading). +$laststore is $version=$timestamp, where $version is the most recent version +number retrieved for the corresponding $symb in the $namespace db file, and +$timestamp is the timestamp for that transaction (UNIX time). +$laststore is currently only passed when cstore() is called by +structuretags::finalize_storage(). =item * -cstore($storehash,$symb,$namespace,$udom,$uname) : same as store but -uses critical subroutine +cstore($storehash,$symb,$namespace,$udom,$uname,$laststore) : same as store +but uses critical subroutine =item * @@ -11208,10 +14855,11 @@ $range should be either an integer '100' =item * -putstore($namespace,$symb,$version,$storehash,$udomain,$uname) : +putstore($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog) : 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 +reference. If $tolog is true, the transaction is logged in the courselog +with an action=PUTSTORE. =item * @@ -11321,15 +14969,91 @@ server ($udom and $uhome are optional) =item * -get_domain_defaults($target_domain) : returns hash with defaults for -authentication and language in the domain. Keys are: auth_def, auth_arg_def, -lang_def; corresponsing values are authentication type (internal, krb4, krb5, -or localauth), initial password or a kerberos realm, language (e.g., en-us). -Values are retrieved from cache (if current), or from domain's configuration.db -(if available), or lastly from values in lonTabs/dns_domain,tab, -or lonTabs/domain.tab. +get_domain_defaults($target_domain,$ignore_cache) : returns hash with defaults +for: authentication, language, quotas, timezone, date locale, and portal URL in +the target domain. + +May also include additional key => value pairs for the following groups: + +=over + +=item +disk quotas (MB allocated by default to portfolios and authoring spaces). -%domdefaults = &get_auth_defaults($target_domain); +=over + +=item defaultquota, authorquota + +=back + +=item +tools (availability of aboutme page, blog, webDAV access for authoring spaces, +portfolio for users). + +=over + +=item +aboutme, blog, webdav, portfolio + +=back + +=item +requestcourses: ability to request courses, and how requests are processed. + +=over + +=item +official, unofficial, community, textbook + +=back + +=item +inststatus: types of institutional affiliation, and order in which they are displayed. + +=over + +=item +inststatustypes, inststatusorder, inststatusguest + +=back + +=item +coursedefaults: can PDF forms can be created, default credits for courses, default quotas (MB) +for course's uploaded content. + +=over + +=item +canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota, +communityquota, textbookquota + +=back + +=item +usersessions: set options for hosting of your users in other domains, and hosting of users from other domains +on your servers. + +=over + +=item +remotesessions, hostedsessions + +=back + +=back + +In cases where a domain coordinator has never used the "Set Domain Configuration" +utility to create a configuration.db file on a domain's primary library server +only the following domain defaults: auth_def, auth_arg_def, lang_def +-- corresponding values are authentication type (internal, krb4, krb5, +or localauth), initial password or a kerberos realm, language (e.g., en-us) -- +will be available. Values are retrieved from cache (if current), unless the +optional $ignore_cache arg is true, or from domain's configuration.db (if available), +or lastly from values in lonTabs/dns_domain,tab, or lonTabs/domain.tab. + +Typical usage: + +%domdefaults = &get_domain_defaults($target_domain); =back @@ -11339,7 +15063,82 @@ or lonTabs/domain.tab. =item * -dirlist($uri) : return directory list based on URI +dirlist() : return directory list based on URI (first arg). + +Inputs: 1 required, 5 optional. + +=over + +=item +$uri - path to file in filesystem (starts: /res or /userfiles/). Required. + +=item +$userdomain - domain of user/course to be listed. Extracted from $uri if absent. + +=item +$username - username of user/course to be listed. Extracted from $uri if absent. + +=item +$getpropath - boolean: 1 if prepend path using &propath(). + +=item +$getuserdir - boolean: 1 if prepend path for "userfiles". + +=item +$alternateRoot - path to prepend in place of path from $uri. + +=back + +Returns: Array of up to two items. + +=over + +a reference to an array of files/subdirectories + +=over + +Each element in the array of files/subdirectories is a & separated list of +item name and the result of running stat on the item. If dirlist was requested +for a file instead of a directory, the item name will be ''. For a directory +listing, if the item is a metadata file, the element will end &N&M +(where N amd M are either 0 or 1, corresponding to obsolete set (1), or +default copyright set (1). + +=back + +a scalar containing error condition (if encountered). + +=over + +=item +no_host (no homeserver identified for $username:$domain). + +=item +no_such_host (server contacted for listing not identified as valid host). + +=item +con_lost (connection to remote server failed). + +=item +refused (invalid $username:$domain received on lond side). + +=item +no_such_dir (directory at specified path on lond side does not exist). + +=item +empty (directory at specified path on lond side is empty). + +=over + +This is currently not encountered because the &ls3, &ls2, +&ls (_handler) routines on the lond side do not filter out +. and .. from a directory listing. + +=back + +=back + +=back =item * @@ -11401,11 +15200,12 @@ splitting on '&', supports elements that =head2 Logging Routines -=over 4 These routines allow one to make log messages in the lonnet.log and lonnet.perm logfiles. +=over 4 + =item * logtouch() : make sure the logfile, lonnet.log, exists @@ -11421,6 +15221,7 @@ logperm() : append a permanent message t file never gets deleted by any automated portion of the system, only messages of critical importance should go in here. + =back =head2 General File Helper Routines @@ -11477,7 +15278,8 @@ filelocation except for hrefs =item * -declutter() : declutters URLs (remove docroot, beginning slashes, 'res' etc) +declutter() : declutters URLs -- remove beginning slashes, 'res' etc. +also removes beginning /home/httpd/html unless /priv/ follows it. =back @@ -11495,7 +15297,7 @@ userfileupload(): main rotine for puttin the filename is in $env{'form.'.$formname.'.filename'} and the contents of the file is located in $env{'form.'.$formname} context - if coursedoc, store the file in the course of the active role - of the current user; + of the current user; if 'existingfile': store in 'overwrites' in /home/httpd/perl/tmp if 'canceloverwrite': delete file in tmp/overwrites directory subdir - required - subdirectory to put the file in under ../userfiles/ @@ -11527,6 +15329,7 @@ userspace, probably shouldn't be called formname: same as for userfileupload() fname: filename (including subdirectories) for the file parser: if 'parse', will parse (html) file to extract references to objects, links etc. + if hashref, and context is scantron, will convert csv format to standard format allfiles: reference to hash used to store objects found by parser codebase: reference to hash used for codebases of java objects found by parser thumbwidth: width (pixels) of thumbnail to be created for uploaded image @@ -11541,7 +15344,7 @@ userspace, probably shouldn't be called returns either the url of the uploaded file (/uploaded/....) if successful and /adm/notfound.html if unsuccessful (or an error message if context was 'overwrite'). - + =item * @@ -11647,6 +15450,8 @@ Internal notes: Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays. +=item * + modify_access_controls(): Modifies access controls for a portfolio file @@ -11664,7 +15469,51 @@ Returns: 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 + value = uniqueID + +=item * + +get_timebased_id(): + +Attempts to get a unique timestamp-based suffix for use with items added to a +course via the Course Editor (e.g., folders, composite pages, +group bulletin boards). + +Args: (first three required; six others optional) + +1. prefix (alphanumeric): of keys in hash, e.g., suppsequence, docspage, + docssequence, or name of group + +2. keyid (alphanumeric): name of temporary locking key in hash, + e.g., num, boardids + +3. namespace: name of gdbm file used to store suffixes already assigned; + file will be named nohist_namespace.db + +4. cdom: domain of course; default is current course domain from %env + +5. cnum: course number; default is current course number from %env + +6. idtype: set to concat if an additional digit is to be appended to the + unix timestamp to form the suffix, if the plain timestamp is already + in use. Default is to not do this, but simply increment the unix + timestamp by 1 until a unique key is obtained. + +7. who: holder of locking key; defaults to user:domain for user. + +8. locktries: number of attempts to obtain a lock (sleep of 1s before + retrying); default is 3. + +9. maxtries: number of attempts to obtain a unique suffix; default is 20. + +Returns: + +1. suffix obtained (numeric) + +2. result of deleting locking key (ok if deleted, or lock never obtained) + +3. error: contains (localized) error message if an error occurred. + =back