--- loncom/lonnet/perl/lonnet.pm 2006/01/05 19:39:52 1.683.2.5 +++ loncom/lonnet/perl/lonnet.pm 2006/07/20 01:18:46 1.763 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.683.2.5 2006/01/05 19:39:52 albertel Exp $ +# $Id: lonnet.pm,v 1.763 2006/07/20 01:18:46 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,14 +38,13 @@ use vars qw(%perlvar %hostname %badServerCache %iphost %spareid %hostdom %libserv %pr %prp $memcache %packagetab %courselogs %accesshash %userrolehash %domainrolehash $processmarker $dumpcount - %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf + %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %coursetypebuf %domaindescription %domain_auth_def %domain_auth_arg_def %domain_lang_def %domain_city %domain_longi %domain_lati %domain_primary $tmpdir $_64bit %env); use IO::Socket; use GDBM_File; -use Apache::Constants qw(:common :http); use HTML::LCParser; use HTML::Parser; use Fcntl qw(:flock); @@ -53,6 +52,9 @@ use Storable qw(lock_store lock_nstore l use Time::HiRes qw( gettimeofday tv_interval ); use Cache::Memcached; use Digest::MD5; +use lib '/home/httpd/lib/perl'; +use LONCAPA; +use LONCAPA::Configuration; my $readit; my $max_connection_retries = 10; # Or some such value. @@ -86,6 +88,29 @@ delayed. # --------------------------------------------------------------------- Logging +{ + my $logid; + sub instructor_log { + my ($hash_name,$storehash,$delflag,$uname,$udom)=@_; + $logid++; + my $id=time().'00000'.$$.'00000'.$logid; + return &Apache::lonnet::put('nohist_'.$hash_name, + { $id => { + 'exe_uname' => $env{'user.name'}, + 'exe_udom' => $env{'user.domain'}, + 'exe_time' => time(), + 'exe_ip' => $ENV{'REMOTE_ADDR'}, + 'delflag' => $delflag, + 'logentry' => $storehash, + 'uname' => $uname, + 'udom' => $udom, + } + }, + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'} + ); + } +} sub logtouch { my $execdir=$perlvar{'lonDaemons'}; @@ -124,7 +149,7 @@ sub logperm { # -------------------------------------------------- Non-critical communication sub subreply { my ($cmd,$server)=@_; - my $peerfile="$perlvar{'lonSockDir'}/$server"; + my $peerfile="$perlvar{'lonSockDir'}/".$hostname{$server}; # # With loncnew process trimming, there's a timing hole between lonc server # process exit and the master server picking up the listen on the AF_UNIX @@ -152,7 +177,7 @@ sub subreply { } my $answer; if ($client) { - print $client "$cmd\n"; + print $client "sethost:$server:$cmd\n"; $answer=<$client>; if (!$answer) { $answer="con_lost"; } chomp($answer); @@ -256,10 +281,28 @@ sub critical { return $answer; } +# ------------------------------------------- check if return value is an error + +sub error { + my ($result) = @_; + if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) { + if ($2 == 2) { return undef; } + return $1; + } + return undef; +} + # ------------------------------------------- Transfer profile into environment sub transfer_profile_to_env { my ($lonidsdir,$handle)=@_; + if (!defined($lonidsdir)) { + $lonidsdir = $perlvar{'lonIDsDir'}; + } + if (!defined($handle)) { + ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| ); + } + my @profile; { open(my $idf,"$lonidsdir/$handle.id"); @@ -271,7 +314,9 @@ sub transfer_profile_to_env { my %Remove; for ($envi=0;$envi<=$#profile;$envi++) { chomp($profile[$envi]); - my ($envname,$envvalue)=split(/=/,$profile[$envi]); + my ($envname,$envvalue)=split(/=/,$profile[$envi],2); + $envname=&unescape($envname); + $envvalue=&unescape($envvalue); $env{$envname} = $envvalue; if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) { if ($time < time-300) { @@ -289,14 +334,14 @@ sub transfer_profile_to_env { sub appenv { my %newenv=@_; - foreach (keys %newenv) { - if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { + foreach my $key (keys(%newenv)) { + if (($newenv{$key}=~/^user\.role/) || ($newenv{$key}=~/^user\.priv/)) { &logthis("WARNING: ". - "Attempt to modify environment ".$_." to ".$newenv{$_} + "Attempt to modify environment ".$key." to ".$newenv{$key} .''); - delete($newenv{$_}); + delete($newenv{$key}); } else { - $env{$_}=$newenv{$_}; + $env{$key}=$newenv{$key}; } } @@ -323,7 +368,9 @@ sub appenv { for (my $i=0; $i<=$#oldenv; $i++) { chomp($oldenv[$i]); if ($oldenv[$i] ne '') { - my ($name,$value)=split(/=/,$oldenv[$i]); + my ($name,$value)=split(/=/,$oldenv[$i],2); + $name=&unescape($name); + $value=&unescape($value); unless (defined($newenv{$name})) { $newenv{$name}=$value; } @@ -336,7 +383,7 @@ sub appenv { } my $newname; foreach $newname (keys %newenv) { - print $fh "$newname=$newenv{$newname}\n"; + print $fh &escape($newname).'='.&escape($newenv{$newname})."\n"; } close($fh); } @@ -348,7 +395,6 @@ sub appenv { sub delenv { my $delthis=shift; - my %newenv=(); if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { &logthis("WARNING: ". "Attempt to delete from environment ".$delthis); @@ -380,12 +426,14 @@ sub delenv { close($fh); return 'error: '.$!; } - foreach (@oldenv) { - if ($_=~/^$delthis/) { - my ($key,undef) = split('=',$_); + foreach my $cur_key (@oldenv) { + my $unescaped_cur_key = &unescape($cur_key); + if ($unescaped_cur_key=~/^$delthis/) { + my ($key) = split('=',$cur_key,2); + $key = &unescape($key); delete($env{$key}); } else { - print $fh $_; + print $fh $cur_key; } } close($fh); @@ -840,11 +888,9 @@ sub getsection { } sub save_cache { - my ($r)=@_; - if (! $r->is_initial_req()) { return DECLINED; } &purge_remembered(); + #&Apache::loncommon::validate_page(); undef(%env); - return OK; } my $to_remember=-1; @@ -947,25 +993,62 @@ sub userenvironment { sub studentphoto { my ($udom,$unam,$ext) = @_; my $home=&Apache::lonnet::homeserver($unam,$udom); - my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext",$home); - my $url="/uploaded/$udom/$unam/internal/studentphoto.".$ext; - if ($ret ne 'ok') { - return '/adm/lonKaputt/lonlogo_broken.gif'; + if (defined($env{'request.course.id'})) { + if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) { + if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } else { + my ($result,$perm_reqd)= + &Apache::lonnet::auto_photo_permission($unam,$udom); + if ($result eq 'ok') { + if (!($perm_reqd eq 'yes')) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } + } + } + } + } else { + my ($result,$perm_reqd) = + &Apache::lonnet::auto_photo_permission($unam,$udom); + if ($result eq 'ok') { + if (!($perm_reqd eq 'yes')) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } + } + } + return '/adm/lonKaputt/lonlogo_broken.gif'; +} + +sub retrievestudentphoto { + my ($udom,$unam,$ext,$type) = @_; + my $home=&Apache::lonnet::homeserver($unam,$udom); + my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home); + if ($ret eq 'ok') { + my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext"; + if ($type eq 'thumbnail') { + $url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext"; + } + my $tokenurl=&Apache::lonnet::tokenwrapper($url); + return $tokenurl; + } else { + if ($type eq 'thumbnail') { + return '/adm/lonKaputt/genericstudent_tn.gif'; + } else { + return '/adm/lonKaputt/lonlogo_broken.gif'; + } } - my $tokenurl=&Apache::lonnet::tokenwrapper($url); - return $tokenurl; } # -------------------------------------------------------------------- New chat sub chatsend { - my ($newentry,$anon)=@_; + my ($newentry,$anon,$group)=@_; my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; my $chome=$env{'course.'.$env{'request.course.id'}.'.home'}; &reply('chatsend:'.$cdom.':'.$cnum.':'. &escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'. - &escape($newentry)),$chome); + &escape($newentry)).':'.$group,$chome); } # ------------------------------------------ Find current version of a resource @@ -1108,7 +1191,9 @@ sub ssi { my $ua=new LWP::UserAgent; my $request; - + + $form{'no_update_last_known'}=1; + if (%form) { $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn); $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form)); @@ -1280,12 +1365,19 @@ sub clean_filename { } # --------------- Take an uploaded file and put it into the userfiles directory -# input: name of form element, coursedoc=1 means this is for the course -# output: url of file in userspace +# input: $formname - the contents of the file are in $env{"form.$formname"} +# the desired filenam is in $env{"form.$formname.filename"} +# $coursedoc - if true up to the current course +# if false +# $subdir - directory in userfile to store the file into +# $parser, $allfiles, $codebase - unknown +# +# output: url of file in userspace, or error: +# or /adm/notfound.html if failure to upload occurse sub userfileupload { - my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase)=@_; + my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,$destudom)=@_; if (!defined($subdir)) { $subdir='unknown'; } my $fname=$env{'form.'.$formname.'.filename'}; $fname=&clean_filename($fname); @@ -1306,8 +1398,24 @@ sub userfileupload { open(my $fh,'>'.$fullpath.'/'.$fname); print $fh $env{'form.'.$formname}; close($fh); - return $fullpath.'/'.$fname; + return $fullpath.'/'.$fname; + } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) { #files uploaded to create course page are handled differently + my $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}. + '_'.$env{'user.domain'}.'/pending'; + my @parts=split(/\//,$filepath); + my $fullpath = $perlvar{'lonDaemons'}; + for (my $i=0;$i<@parts;$i++) { + $fullpath .= '/'.$parts[$i]; + if ((-e $fullpath)!=1) { + mkdir($fullpath,0777); + } + } + open(my $fh,'>'.$fullpath.'/'.$fname); + print $fh $env{'form.'.$formname}; + close($fh); + return $fullpath.'/'.$fname; } + # Create the directory if not present $fname="$subdir/$fname"; if ($coursedoc) { @@ -1323,9 +1431,19 @@ sub userfileupload { $fname,$formname,$parser, $allfiles,$codebase); } + } elsif (defined($destuname)) { + my $docuname=$destuname; + my $docudom=$destudom; + return &finishuserfileupload($docuname,$docudom,$formname, + $fname,$parser,$allfiles,$codebase); + } else { my $docuname=$env{'user.name'}; my $docudom=$env{'user.domain'}; + if (exists($env{'form.group'})) { + $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; + $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + } return &finishuserfileupload($docuname,$docudom,$formname, $fname,$parser,$allfiles,$codebase); } @@ -1351,8 +1469,16 @@ sub finishuserfileupload { } # Save the file { - open(FH,'>'.$filepath.'/'.$file); - print FH $env{'form.'.$formname}; + if (!open(FH,'>'.$filepath.'/'.$file)) { + &logthis('Failed to create '.$filepath.'/'.$file); + print STDERR ('Failed to create '.$filepath.'/'.$file."\n"); + return '/adm/notfound.html'; + } + if (!print FH ($env{'form.'.$formname})) { + &logthis('Failed to write to '.$filepath.'/'.$file); + print STDERR ('Failed to write to '.$filepath.'/'.$file."\n"); + return '/adm/notfound.html'; + } close(FH); } if ($parser eq 'parse') { @@ -1551,11 +1677,11 @@ sub flushcourselogs { if ($courseidbuffer{$coursehombuf{$crsid}}) { $courseidbuffer{$coursehombuf{$crsid}}.='&'. &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). - ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}); + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}).':'.&escape($coursetypebuf{$crsid}); } else { $courseidbuffer{$coursehombuf{$crsid}}= &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). - ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}); + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}).':'.&escape($coursetypebuf{$crsid}); } } # @@ -1658,6 +1784,8 @@ sub courselog { $env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}; $courseownerbuf{$env{'request.course.id'}}= $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'}; + $coursetypebuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.type'}; if (defined $courselogs{$env{'request.course.id'}}) { $courselogs{$env{'request.course.id'}}.='&'.$what; } else { @@ -1757,9 +1885,6 @@ sub get_course_adv_roles { (!$nothide{$username.':'.$domain})) { next; } if ($role eq 'cr') { next; } my $key=&plaintext($role); - if ($role =~ /^cr/) { - $key=(split('/',$role))[3]; - } if ($section) { $key.=' (Sec/Grp '.$section.')'; } if ($returnhash{$key}) { $returnhash{$key}.=','.$username.':'.$domain; @@ -1828,7 +1953,7 @@ sub courseidput { } sub courseiddump { - my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$coursefilter,$hostidflag,$hostidref)=@_; + my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$coursefilter,$hostidflag,$hostidref,$typefilter)=@_; my %returnhash=(); unless ($domfilter) { $domfilter=''; } foreach my $tryserver (keys %libserv) { @@ -1837,7 +1962,7 @@ sub courseiddump { foreach ( split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'. $sincefilter.':'.&escape($descfilter).':'. - &escape($instcodefilter).':'.&escape($ownerfilter).':'.&escape($coursefilter), + &escape($instcodefilter).':'.&escape($ownerfilter).':'.&escape($coursefilter).':'.&escape($typefilter), $tryserver))) { my ($key,$value)=split(/\=/,$_); if (($key) && ($value)) { @@ -1855,8 +1980,8 @@ sub courseiddump { sub dcmailput { my ($domain,$msgid,$message,$server)=@_; my $status = &Apache::lonnet::critical( - 'dcmailput:'.$domain.':'.&Apache::lonnet::escape($msgid).'='. - &Apache::lonnet::escape($message),$server); + 'dcmailput:'.$domain.':'.&escape($msgid).'='. + &escape($message),$server); return $status; } @@ -2503,7 +2628,7 @@ sub restore { # ---------------------------------------------------------- Course Description sub coursedescription { - my $courseid=shift; + my ($courseid,$args)=@_; $courseid=~s/^\///; $courseid=~s/\_/\//g; my ($cdomain,$cnum)=split(/\//,$courseid); @@ -2513,13 +2638,36 @@ sub coursedescription { # trying and trying and trying to get the course description. my %envhash=(); my %returnhash=(); - $envhash{'course.'.$normalid.'.last_cache'}=time; + + my $expiretime=600; + if ($env{'request.course.id'} eq $normalid) { + $expiretime=120; + } + + my $prefix='course.'.$cdomain.'_'.$cnum.'.'; + if (!$args->{'freshen_cache'} + && ((time-$env{$prefix.'last_cache'}) < $expiretime) ) { + foreach my $key (keys(%env)) { + next if ($key !~ /^\Q$prefix\E(.*)/); + my ($setting) = $1; + $returnhash{$setting} = $env{$key}; + } + return %returnhash; + } + + # get the data agin + if (!$args->{'one_time'}) { + $envhash{'course.'.$normalid.'.last_cache'}=time; + } if ($chome ne 'no_host') { %returnhash=&dump('environment',$cdomain,$cnum); if (!exists($returnhash{'con_lost'})) { $returnhash{'home'}= $chome; $returnhash{'domain'} = $cdomain; $returnhash{'num'} = $cnum; + if (!defined($returnhash{'type'})) { + $returnhash{'type'} = 'Course'; + } while (my ($name,$value) = each %returnhash) { $envhash{'course.'.$normalid.'.'.$name}=$value; } @@ -2531,7 +2679,9 @@ sub coursedescription { $envhash{'course.'.$normalid.'.num'}=$cnum; } } - &appenv(%envhash); + if (!$args->{'one_time'}) { + &appenv(%envhash); + } return %returnhash; } @@ -2574,7 +2724,7 @@ sub rolesinit { my %allroles=(); my %allgroups=(); my $now=time; - my $userroles="user.login.time=$now\n"; + my %userroles = ('user.login.time' => $now); my $group_privs; if ($rolesdump ne '') { @@ -2597,7 +2747,9 @@ sub rolesinit { } else { ($trole,$tend,$tstart)=split(/_/,$role); } - $userroles.=&set_arearole($trole,$area,$tstart,$tend,$domain,$username); + 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 '')) { @@ -2613,19 +2765,19 @@ sub rolesinit { } } } - my ($author,$adv) = &set_userprivs(\$userroles,\%allroles,\%allgroups); - $userroles.='user.adv='.$adv."\n". - 'user.author='.$author."\n"; + my ($author,$adv) = &set_userprivs(\%userroles,\%allroles,\%allgroups); + $userroles{'user.adv'} = $adv; + $userroles{'user.author'} = $author; $env{'user.adv'}=$adv; } - return $userroles; + return \%userroles; } sub set_arearole { my ($trole,$area,$tstart,$tend,$domain,$username) = @_; # log the associated role with the area &userrolelog($trole,$username,$domain,$area,$tstart,$tend); - return 'user.role.'.$trole.'.'.$area.'='.$tstart.'.'.$tend."\n"; + return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend); } sub custom_roleprivs { @@ -2727,7 +2879,7 @@ sub set_userprivs { } my $thesestr=''; foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } - $$userroles.='user.priv.'.$_.'='.$thesestr."\n"; + $userroles->{'user.priv.'.$_} = $thesestr; } return ($author,$adv); } @@ -2778,23 +2930,32 @@ sub del { # -------------------------------------------------------------- dump interface sub dump { - my ($namespace,$udomain,$uname,$regexp)=@_; - if (!$udomain) { $udomain=$env{'user.domain'}; } - if (!$uname) { $uname=$env{'user.name'}; } - my $uhome=&homeserver($uname,$udomain); - if ($regexp) { - $regexp=&escape($regexp); - } else { - $regexp='.'; - } - my $rep=reply("dump:$udomain:$uname:$namespace:$regexp",$uhome); - my @pairs=split(/\&/,$rep); - my %returnhash=(); - foreach (@pairs) { - my ($key,$value)=split(/=/,$_); - $returnhash{unescape($key)}=&thaw_unescape($value); - } - return %returnhash; + my ($namespace,$udomain,$uname,$regexp,$range)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + if ($regexp) { + $regexp=&escape($regexp); + } else { + $regexp='.'; + } + my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); + my @pairs=split(/\&/,$rep); + my %returnhash=(); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } + return %returnhash; +} + +# --------------------------------------------------------- dumpstore interface + +sub dumpstore { + my ($namespace,$udomain,$uname,$regexp,$range)=@_; + return &dump($namespace,$udomain,$uname,$regexp,$range); } # -------------------------------------------------------------- keys interface @@ -2938,25 +3099,53 @@ sub newput { # --------------------------------------------------------- putstore interface sub putstore { - my ($namespace,$storehash,$udomain,$uname)=@_; + my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; if (!$udomain) { $udomain=$env{'user.domain'}; } if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $items=''; - my %allitems = (); - foreach (keys %$storehash) { - if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) { - my $key = $1.':keys:'.$2; - $allitems{$key} .= $3.':'; - } - $items.=$_.'='.&freeze_escape($$storehash{$_}).'&'; - } - foreach (keys %allitems) { - $allitems{$_} =~ s/\:$//; - $items.= $_.'='.$allitems{$_}.'&'; + foreach my $key (keys(%$storehash)) { + $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&'; } $items=~s/\&$//; - return &reply("put:$udomain:$uname:$namespace:$items",$uhome); + my $esc_symb=&escape($symb); + my $esc_v=&escape($version); + my $reply = + &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items", + $uhome); + if ($reply eq 'unknown_cmd') { + # gfall back to way things use to be done + return &old_putstore($namespace,$symb,$version,$storehash,$udomain, + $uname); + } + return $reply; +} + +sub old_putstore { + my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my %newstorehash; + foreach (keys %$storehash) { + my $key = $version.':'.&escape($symb).':'.$_; + $newstorehash{$key} = $storehash->{$_}; + } + my $items=''; + my %allitems = (); + foreach (keys %newstorehash) { + if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) { + my $key = $1.':keys:'.$2; + $allitems{$key} .= $3.':'; + } + $items.=$_.'='.&freeze_escape($newstorehash{$_}).'&'; + } + foreach (keys %allitems) { + $allitems{$_} =~ s/\:$//; + $items.= $_.'='.$allitems{$_}.'&'; + } + $items=~s/\&$//; + return &reply("put:$udomain:$uname:$namespace:$items",$uhome); } # ------------------------------------------------------ critical put interface @@ -2968,7 +3157,7 @@ sub cput { my $uhome=&homeserver($uname,$udomain); my $items=''; foreach (keys %$storehash) { - $items.=escape($_).'='.&freeze_escape($$storehash{$_}).'&'; + $items.=&escape($_).'='.&freeze_escape($$storehash{$_}).'&'; } $items=~s/\&$//; return &critical("put:$udomain:$uname:$namespace:$items",$uhome); @@ -3066,6 +3255,7 @@ sub customaccess { sub allowed { my ($priv,$uri,$symb)=@_; + my $ver_orguri=$uri; $uri=&deversion($uri); my $orguri=$uri; $uri=&declutter($uri); @@ -3078,12 +3268,37 @@ sub allowed { } # Free bre access to user's own portfolio contents - my ($space,$domain,$name,$dir)=split('/',$uri); + my ($space,$domain,$name,@dir)=split('/',$uri); if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) && - ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir)) { + ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) { return 'F'; } +# bre access to group portfolio for rgf priv in group, or mdg or vcg in course. + if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups') + && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) { + if (exists($env{'request.course.id'})) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if (($domain eq $cdom) && ($name eq $cnum)) { + my $courseprivid=$env{'request.course.id'}; + $courseprivid=~s/\_/\//; + if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid + .'/'.$dir[1]} =~/rgf\&([^\:]*)/) { + return $1; + } else { + if ($env{'request.course.sec'}) { + $courseprivid.='/'.$env{'request.course.sec'}; + } + if ($env{'user.priv.'.$env{'request.role'}.'./'. + $courseprivid} =~/(mdg|vcg)\&([^\:]*)/) { + return $2; + } + } + } + } + } + # Free bre to public access if ($priv eq 'bre') { @@ -3147,14 +3362,6 @@ sub allowed { $thisallowed.=$1; } -# Group: uri itself is a group - my $groupuri=$uri; - $groupuri=~s/^([^\/])/\/$1/; - if ($env{'user.priv.'.$env{'request.role'}.'.'.$groupuri} - =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; - } - # URI is an uploaded document for this course, default permissions don't matter # not allowing 'edit' access (editupload) to uploaded course docs if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) { @@ -3166,7 +3373,7 @@ sub allowed { $thisallowed.=$1; } } else { - my $refuri=$env{'httpref.'.$orguri}; + my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri}; if ($refuri) { if ($refuri =~ m|^/adm/|) { $thisallowed='F'; @@ -3298,7 +3505,7 @@ sub allowed { my ($cdom,$cnum,$csec)=split(/\//,$courseid); my $prefix='course.'.$cdom.'_'.$cnum.'.'; if ((time-$env{$prefix.'last_cache'})>$expiretime) { - &coursedescription($courseid); + &coursedescription($courseid,{'freshen_cache' => 1}); } if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/) || ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { @@ -3397,15 +3604,17 @@ sub allowed { return 'F'; } +sub split_uri_for_cond { + my $uri=&deversion(&declutter(shift)); + my @uriparts=split(/\//,$uri); + my $filename=pop(@uriparts); + my $pathname=join('/',@uriparts); + return ($pathname,$filename); +} # --------------------------------------------------- Is a resource on the map? sub is_on_map { - my $uri=&deversion(&declutter(shift)); - my @uriparts=split(/\//,$uri); - my $filename=$uriparts[$#uriparts]; - my $pathname=$uri; - $pathname=~s|/\Q$filename\E$||; - $pathname=~s/^adm\/wrapper\///; + my ($pathname,$filename) = &split_uri_for_cond(shift); #Trying to find the conditional for the file my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~ /\&\Q$filename\E\:([\d\|]+)\&/); @@ -3678,6 +3887,82 @@ sub auto_create_password { return ($authparam,$create_passwd,$authchk); } +sub auto_photo_permission { + my ($cnum,$cdom,$students) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my ($outcome,$perm_reqd,$conditions) = + split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3); + if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + return ($outcome,$perm_reqd,$conditions); +} + +sub auto_checkphotos { + my ($uname,$udom,$pid) = @_; + my $homeserver = &homeserver($uname,$udom); + my ($result,$resulttype); + my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'. + &escape($uname).':'.&escape($pid), + $homeserver)); + if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + if ($outcome) { + ($result,$resulttype) = split(/:/,$outcome); + } + return ($result,$resulttype); +} + +sub auto_photochoice { + my ($cnum,$cdom) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'. + &escape($cdom), + $homeserver))); + if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + return ($update,$comment); +} + +sub auto_photoupdate { + my ($affiliatesref,$dom,$cnum,$photo) = @_; + my $homeserver = &homeserver($cnum,$dom); + my $host=$hostname{$homeserver}; + my $cmd = ''; + my $maxtries = 1; + foreach (keys %{$affiliatesref}) { + $cmd .= $_.'='.join(",",@{$$affiliatesref{$_}}).'%%'; + } + $cmd =~ s/%%$//; + $cmd = &escape($cmd); + my $query = 'institutionalphotos'; + my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver); + unless ($queryid=~/^\Q$host\E\_/) { + &logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum); + return 'error: '.$queryid; + } + my $reply = &get_query_reply($queryid); + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } + if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { + &logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); + } else { + my @responses = split(/:/,$reply); + my $outcome = shift(@responses); + foreach my $item (@responses) { + my ($key,$value) = split(/=/,$item); + $$photo{$key} = $value; + } + return $outcome; + } + return 'error'; +} + sub auto_instcode_format { my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles,$cat_order) = @_; my $courses = ''; @@ -3729,6 +4014,9 @@ sub modify_group_roles { my $role = 'gr/'.&escape($userprivs); my ($uname,$udom) = split(/:/,$user); my $result = &assignrole($udom,$uname,$url,$role,$end,$start); + if ($result eq 'ok') { + &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum); + } return $result; } @@ -3762,31 +4050,51 @@ sub get_group_membership { sub get_users_groups { my ($udom,$uname,$courseid) = @_; + my @usersgroups; my $cachetime=1800; $courseid=~s/\_/\//g; $courseid=~s/^(\w)/\/$1/; my $hashid="$udom:$uname:$courseid"; - my ($result,$cached)=&is_cached_new('getgroups',$hashid); - if (defined($cached)) { return $result; } - - my %roleshash = &dump('roles',$udom,$uname,$courseid); - my ($tmp) = keys(%roleshash); - if ($tmp=~/^error:/) { - &logthis('Error retrieving roles: '.$tmp.' for '.$uname.':'.$udom); - return ''; - } else { - my $grouplist; - foreach my $key (keys %roleshash) { - if ($key =~ /^\Q$courseid\E\/(\w+)\_gr$/) { - unless ($roleshash{$key} =~ /_1_1$/) { # deleted membership - $grouplist .= $1.':'; + my ($grouplist,$cached)=&is_cached_new('getgroups',$hashid); + if (defined($cached)) { + @usersgroups = split(/:/,$grouplist); + } else { + $grouplist = ''; + my %roleshash = &dump('roles',$udom,$uname,$courseid); + my ($tmp) = keys(%roleshash); + if ($tmp=~/^error:/) { + &logthis('Error retrieving roles: '.$tmp.' for '.$uname.':'.$udom); + } else { + my $access_end = $env{'course.'.$courseid. + '.default_enrollment_end_date'}; + my $now = time; + foreach my $key (keys(%roleshash)) { + if ($key =~ /^\Q$courseid\E\/(\w+)\_gr$/) { + my $group = $1; + if ($roleshash{$key} =~ /_(\d+)_(\d+)$/) { + my $start = $2; + my $end = $1; + if ($start == -1) { next; } # deleted from group + if (($start!=0) && ($start>$now)) { next; } + if (($end!=0) && ($end<$now)) { + if ($access_end && $access_end < $now) { + if ($access_end - $end < 86400) { + push(@usersgroups,$group); + } + } + next; + } + push(@usersgroups,$group); + } } } + @usersgroups = &sort_course_groups($courseid,@usersgroups); + $grouplist = join(':',@usersgroups); + &do_cache_new('getgroups',$hashid,$grouplist,$cachetime); } - $grouplist =~ s/:$//; - return &do_cache_new('getgroups',$hashid,$grouplist,$cachetime); } + return @usersgroups; } sub devalidate_getgroups_cache { @@ -3801,8 +4109,28 @@ sub devalidate_getgroups_cache { # ------------------------------------------------------------------ Plain Text sub plaintext { - my $short=shift; - return &Apache::lonlocal::mt($prp{$short}); + my ($short,$type,$cid) = @_; + if ($short =~ /^cr/) { + return (split('/',$short))[-1]; + } + if (!defined($cid)) { + $cid = $env{'request.course.id'}; + } + if (defined($cid) && defined($env{'course.'.$cid.'.'.$short.'.plaintext'})) { + return &Apache::lonlocal::mt($env{'course.'.$cid.'.'.$short. + '.plaintext'}); + } + my %rolenames = ( + Course => 'std', + Group => 'alt1', + ); + if (defined($type) && + defined($rolenames{$type}) && + defined($prp{$short}{$rolenames{$type}})) { + return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}}); + } else { + return &Apache::lonlocal::mt($prp{$short}{'std'}); + } } # ----------------------------------------------------------------- Assign Role @@ -3851,6 +4179,8 @@ sub assignrole { $command.='_0_'.$start; } } + my $origstart = $start; + my $origend = $end; # actually delete if ($deleteflag) { if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) { @@ -3868,6 +4198,11 @@ sub assignrole { # log new user role if status is ok if ($answer eq 'ok') { &userrolelog($role,$uname,$udom,$url,$start,$end); +# for course roles, perform group memberships changes triggered by role change. + unless ($role =~ /^gr/) { + &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, + $origstart); + } } return $answer; } @@ -4124,7 +4459,8 @@ sub writecoursepref { # ---------------------------------------------------------- Make/modify course sub createcourse { - my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner)=@_; + my ($udom,$description,$url,$course_server,$nonstandard,$inst_code, + $course_owner,$crstype)=@_; $url=&declutter($url); my $cid=''; unless (&allowed('ccc',$udom)) { @@ -4161,7 +4497,8 @@ sub createcourse { # ----------------------------------------------------------------- Course made # log existence &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description). - ':'.&escape($inst_code).':'.&escape($course_owner),$uhome); + ':'.&escape($inst_code).':'.&escape($course_owner).':'. + &escape($crstype),$uhome); &flushcourselogs(); # set toplevel url my $topurl=$url; @@ -4231,14 +4568,28 @@ sub is_locked { $env{'user.domain'},$env{'user.name'}); my ($tmp)=keys(%locked); if ($tmp=~/^error:/) { undef(%locked); } - + if (ref($locked{$file_name}) eq 'ARRAY') { - $is_locked = 'true'; + $is_locked = 'false'; + foreach my $entry (@{$locked{$file_name}}) { + if (ref($entry) eq 'ARRAY') { + $is_locked = 'true'; + last; + } + } } else { $is_locked = 'false'; } } +sub declutter_portfile { + my ($file) = @_; + &logthis("got $file"); + $file =~ s-^(/portfolio/|portfolio/)-/-; + &logthis("ret $file"); + return $file; +} + # ------------------------------------------------------------- Mark as Read Only sub mark_as_readonly { @@ -4247,6 +4598,7 @@ sub mark_as_readonly { my ($tmp)=keys(%current_permissions); if ($tmp=~/^error:/) { undef(%current_permissions); } foreach my $file (@{$files}) { + $file = &declutter_portfile($file); push(@{$current_permissions{$file}},$what); } &put('file_permissions',\%current_permissions,$domain,$user); @@ -4322,49 +4674,193 @@ sub files_not_in_path { return (@return_files); } -#--------------------------------------------------------------Get Marked as Read Only +#----------------------------------------------Get portfolio file permissions - -sub get_marked_as_readonly { - my ($domain,$user,$what) = @_; +sub get_portfile_permissions { + my ($domain,$user) = @_; my %current_permissions = &dump('file_permissions',$domain,$user); my ($tmp)=keys(%current_permissions); if ($tmp=~/^error:/) { undef(%current_permissions); } + return \%current_permissions; +} + +#---------------------------------------------Get portfolio file access controls + +sub get_access_controls { + my ($current_permissions,$group,$file) = @_; + my %access; + if (defined($file)) { + if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') { + foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) { + $access{$file}{$control} = $$current_permissions{$file."\0".$control}; + } + } + } else { + foreach my $key (keys(%{$current_permissions})) { + if ($key =~ /\0accesscontrol$/) { + if (defined($group)) { + if ($key !~ m-^\Q$group\E/-) { + next; + } + } + my ($fullpath) = split(/\0/,$key); + if (ref($$current_permissions{$key}) eq 'HASH') { + foreach my $control (keys(%{$$current_permissions{$key}})) { + $access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control}; + } + } + } + } + } + return %access; +} + +sub modify_access_controls { + my ($file_name,$changes,$domain,$user)=@_; + my ($outcome,$deloutcome); + my %store_permissions; + my %new_values; + my %new_control; + my %translation; + my @deletions = (); + my $now = time; + if (exists($$changes{'activate'})) { + if (ref($$changes{'activate'}) eq 'HASH') { + my @newitems = sort(keys(%{$$changes{'activate'}})); + my $numnew = scalar(@newitems); + for (my $i=0; $i<$numnew; $i++) { + my $newkey = $newitems[$i]; + my $newid = &Apache::loncommon::get_cgi_id(); + $newkey =~ s/^(\d+)/$newid/; + $translation{$1} = $newid; + $new_values{$file_name."\0".$newkey} = + $$changes{'activate'}{$newitems[$i]}; + $new_control{$newkey} = $now; + } + } + } + my %todelete; + my %changed_items; + foreach my $action ('delete','update') { + if (exists($$changes{$action})) { + if (ref($$changes{$action}) eq 'HASH') { + foreach my $key (keys(%{$$changes{$action}})) { + my ($itemnum) = ($key =~ /^([^:]+):/); + if ($action eq 'delete') { + $todelete{$itemnum} = 1; + } else { + $changed_items{$itemnum} = $key; + } + } + } + } + } + # get lock on access controls for file. + my $lockhash = { + $file_name."\0".'locked_access_records' => $env{'user.name'}. + ':'.$env{'user.domain'}, + }; + my $tries = 0; + my $gotlock = &newput('file_permissions',$lockhash,$domain,$user); + + while (($gotlock ne 'ok') && $tries <3) { + $tries ++; + sleep 1; + $gotlock = &newput('file_permissions',$lockhash,$domain,$user); + } + if ($gotlock eq 'ok') { + my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name); + my ($tmp)=keys(%curr_permissions); + if ($tmp=~/^error:/) { undef(%curr_permissions); } + if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) { + my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'}; + if (ref($curr_controls) eq 'HASH') { + foreach my $control_item (keys(%{$curr_controls})) { + my ($itemnum) = ($control_item =~ /^([^:]+):/); + if (defined($todelete{$itemnum})) { + push(@deletions,$file_name."\0".$control_item); + } else { + if (defined($changed_items{$itemnum})) { + $new_control{$changed_items{$itemnum}} = $now; + push(@deletions,$file_name."\0".$control_item); + $new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}}; + } else { + $new_control{$control_item} = $$curr_controls{$control_item}; + } + } + } + } + } + $deloutcome = &del('file_permissions',\@deletions,$domain,$user); + $new_values{$file_name."\0".'accesscontrol'} = \%new_control; + $outcome = &put('file_permissions',\%new_values,$domain,$user); + # remove lock + my @del_lock = ($file_name."\0".'locked_access_records'); + my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user); + } else { + $outcome = "error: could not obtain lockfile\n"; + } + return ($outcome,$deloutcome,\%new_values,\%translation); +} + +#------------------------------------------------------Get Marked as Read Only + +sub get_marked_as_readonly { + my ($domain,$user,$what,$group) = @_; + my $current_permissions = &get_portfile_permissions($domain,$user); my @readonly_files; my $cmp1=$what; if (ref($what)) { $cmp1=join('',@{$what}) }; - while (my ($file_name,$value) = each(%current_permissions)) { + while (my ($file_name,$value) = each(%{$current_permissions})) { + if (defined($group)) { + if ($file_name !~ m-^\Q$group\E/-) { + next; + } + } if (ref($value) eq "ARRAY"){ foreach my $stored_what (@{$value}) { my $cmp2=$stored_what; - if (ref($stored_what)) { $cmp2=join('',@{$stored_what}) }; + if (ref($stored_what) eq 'ARRAY') { + $cmp2=join('',@{$stored_what}); + } if ($cmp1 eq $cmp2) { push(@readonly_files, $file_name); + last; } elsif (!defined($what)) { push(@readonly_files, $file_name); + last; } } - } + } } return @readonly_files; } #-----------------------------------------------------------Get Marked as Read Only Hash sub get_marked_as_readonly_hash { - my ($domain,$user,$what) = @_; - my %current_permissions = &dump('file_permissions',$domain,$user); - my ($tmp)=keys(%current_permissions); - if ($tmp=~/^error:/) { undef(%current_permissions); } - + my ($current_permissions,$group,$what) = @_; my %readonly_files; - while (my ($file_name,$value) = each(%current_permissions)) { + while (my ($file_name,$value) = each(%{$current_permissions})) { + if (defined($group)) { + if ($file_name !~ m-^\Q$group\E/-) { + next; + } + } if (ref($value) eq "ARRAY"){ foreach my $stored_what (@{$value}) { - if ($stored_what eq $what) { - $readonly_files{$file_name} = 'locked'; - } elsif (!defined($what)) { - $readonly_files{$file_name} = 'locked'; - } + if (ref($stored_what) eq 'ARRAY') { + foreach my $lock_descriptor(@{$stored_what}) { + if ($lock_descriptor eq 'graded') { + $readonly_files{$file_name} = 'graded'; + } elsif ($lock_descriptor eq 'handback') { + $readonly_files{$file_name} = 'handback'; + } else { + if (!exists($readonly_files{$file_name})) { + $readonly_files{$file_name} = 'locked'; + } + } + } + } } } } @@ -4375,24 +4871,28 @@ sub get_marked_as_readonly_hash { sub unmark_as_readonly { # unmarks $file_name (if $file_name is defined), or all files locked by $what # for portfolio submissions, $what contains [$symb,$crsid] - my ($domain,$user,$what,$file_name) = @_; + my ($domain,$user,$what,$file_name,$group) = @_; + $file_name = &declutter_portfile($file_name); my $symb_crs = $what; if (ref($what)) { $symb_crs=join('',@$what); } - my %current_permissions = &dump('file_permissions',$domain,$user); + my %current_permissions = &dump('file_permissions',$domain,$user,$group); my ($tmp)=keys(%current_permissions); if ($tmp=~/^error:/) { undef(%current_permissions); } - my @readonly_files = &get_marked_as_readonly($domain,$user,$what); + my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group); foreach my $file (@readonly_files) { - if (defined($file_name) && ($file_name ne $file)) { next; } + my $clean_file = &declutter_portfile($file); + if (defined($file_name) && ($file_name ne $clean_file)) { next; } my $current_locks = $current_permissions{$file}; my @new_locks; my @del_keys; if (ref($current_locks) eq "ARRAY"){ foreach my $locker (@{$current_locks}) { my $compare=$locker; - if (ref($locker)) { $compare=join('',@{$locker}) }; - if ($compare ne $symb_crs) { - push(@new_locks, $locker); + if (ref($locker) eq 'ARRAY') { + $compare=join('',@{$locker}); + if ($compare ne $symb_crs) { + push(@new_locks, $locker); + } } } if (scalar(@new_locks) > 0) { @@ -4530,13 +5030,69 @@ sub GetFileTimestamp { } } +sub stat_file { + my ($uri) = @_; + $uri = &clutter($uri); + + # we want just the url part without the unneeded accessor url bits + if ($uri =~ m-^/adm/-) { + $uri=~s-^/adm/wrapper/-/-; + $uri=~s-^/adm/coursedocs/showdoc/-/-; + } + my ($udom,$uname,$file,$dir); + if ($uri =~ m-^/(uploaded|editupload)/-) { + ($udom,$uname,$file) = + ($uri =~ m-/(?:uploaded|editupload)/?([^/]*)/?([^/]*)/?(.*)-); + $file = 'userfiles/'.$file; + $dir = &propath($udom,$uname); + } + if ($uri =~ m-^/res/-) { + ($udom,$uname) = + ($uri =~ m-/(?:res)/?([^/]*)/?([^/]*)/-); + $file = $uri; + } + + if (!$udom || !$uname || !$file) { + # unable to handle the uri + return (); + } + + my ($result) = &dirlist($file,$udom,$uname,$dir); + my @stats = split('&', $result); + + if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { + shift(@stats); #filename is first + return @stats; + } + return (); +} + # -------------------------------------------------------- Value of a Condition +# gets the value of a specific preevaluated condition +# stored in the string $env{user.state.} +# or looks up a condition reference in the bighash and if if hasn't +# already been evaluated recurses into docondval to get the value of +# the condition, then memoizing it to +# $env{user.state..} sub directcondval { my $number=shift; if (!defined($env{'user.state.'.$env{'request.course.id'}})) { &Apache::lonuserstate::evalstate(); } + if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) { + return $env{'user.state.'.$env{'request.course.id'}.".$number"}; + } elsif ($number =~ /^_/) { + my $sub_condition; + if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + $sub_condition=$bighash{'conditions'.$number}; + untie(%bighash); + } + my $value = &docondval($sub_condition); + &appenv('user.state.'.$env{'request.course.id'}.".$number" => $value); + return $value; + } if ($env{'user.state.'.$env{'request.course.id'}}) { return substr($env{'user.state.'.$env{'request.course.id'}},$number,1); } else { @@ -4544,43 +5100,49 @@ sub directcondval { } } +# get the collection of conditions for this resource sub condval { my $condidx=shift; - my $result=0; my $allpathcond=''; - foreach (split(/\|/,$condidx)) { - if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$_})) { - $allpathcond.= - '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$_}.')|'; - } + foreach my $cond (split(/\|/,$condidx)) { + if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) { + $allpathcond.= + '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|'; + } } $allpathcond=~s/\|$//; - if ($env{'request.course.id'}) { - if ($allpathcond) { - my $operand='|'; - my @stack; - foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) { - if ($_ eq '(') { - push @stack,($operand,$result) - } elsif ($_ eq ')') { - my $before=pop @stack; - if (pop @stack eq '&') { - $result=$result>$before?$before:$result; - } else { - $result=$result>$before?$result:$before; - } - } elsif (($_ eq '&') || ($_ eq '|')) { - $operand=$_; - } else { - my $new=directcondval($_); - if ($operand eq '&') { - $result=$result>$new?$new:$result; - } else { - $result=$result>$new?$result:$new; - } - } - } - } + return &docondval($allpathcond); +} + +#evaluates an expression of conditions +sub docondval { + my ($allpathcond) = @_; + my $result=0; + if ($env{'request.course.id'} + && defined($allpathcond)) { + my $operand='|'; + my @stack; + foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) { + if ($chunk eq '(') { + push @stack,($operand,$result); + } elsif ($chunk eq ')') { + my $before=pop @stack; + if (pop @stack eq '&') { + $result=$result>$before?$before:$result; + } else { + $result=$result>$before?$result:$before; + } + } elsif (($chunk eq '&') || ($chunk eq '|')) { + $operand=$chunk; + } else { + my $new=directcondval($chunk); + if ($operand eq '&') { + $result=$result>$new?$new:$result; + } else { + $result=$result>$new?$result:$new; + } + } + } } return $result; } @@ -4593,6 +5155,17 @@ sub devalidatecourseresdata { &devalidate_cache_new('courseres',$hashid); } +# ------------------------------------------------------ Devalidate title cache + +sub devalidate_title_cache { + my ($url)=@_; + if (!$env{'request.course.id'}) { return; } + my $symb=&symbread($url); + if (!$symb) { return; } + my $key=$env{'request.course.id'}."\0".$symb; + &devalidate_cache_new('title',$key); +} + # --------------------------------------------------- Course Resourcedata Query sub get_courseresdata { @@ -4697,8 +5270,8 @@ sub EXT_cache_set { # --------------------------------------------------------- Value of a Variable sub EXT { - my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; + my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; unless ($varname) { return ''; } #get real user name/domain, courseid and symb my $courseid; @@ -4731,8 +5304,14 @@ sub EXT { if ( (defined($Apache::lonhomework::parsing_a_problem) || defined($Apache::lonhomework::parsing_a_task)) && - ($symbparm eq &symbread()) ) { - return $Apache::lonhomework::history{$qualifierrest}; + ($symbparm eq &symbread()) ) { + # if we are in the middle of processing the resource the + # get the value we are planning on committing + if (defined($Apache::lonhomework::results{$qualifierrest})) { + return $Apache::lonhomework::results{$qualifierrest}; + } else { + return $Apache::lonhomework::history{$qualifierrest}; + } } else { my %restored; if ($publicuser || $env{'request.state'} eq 'construct') { @@ -4812,10 +5391,21 @@ sub EXT { return $env{'course.'.$courseid.'.'.$spacequalifierrest}; } elsif ($realm eq 'resource') { - my $section; if (defined($courseid) && $courseid eq $env{'request.course.id'}) { if (!$symbparm) { $symbparm=&symbread(); } } + + if ($space eq 'title') { + if (!$symbparm) { $symbparm = $env{'request.filename'}; } + return &gettitle($symbparm); + } + + if ($space eq 'map') { + my ($map) = &decode_symb($symbparm); + return &symbread($map); + } + + my ($section, $group, @groups); my ($courselevelm,$courselevel); if ($symbparm && defined($courseid) && $courseid eq $env{'request.course.id'}) { @@ -4824,7 +5414,7 @@ sub EXT { # ----------------------------------------------------- Cascading lookup scheme my $symbp=$symbparm; - my $mapp=(&decode_symb($symbp))[0]; + my $mapp=&deversion((&decode_symb($symbp))[0]); my $symbparm=$symbp.'.'.$spacequalifierrest; my $mapparm=$mapp.'___(all).'.$spacequalifierrest; @@ -4832,12 +5422,15 @@ sub EXT { if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) { $section=$env{'request.course.sec'}; + @groups = split(/:/,$env{'request.course.groups'}); + @groups=&sort_course_groups($courseid,@groups); } else { if (! defined($usection)) { $section=&getsection($udom,$uname,$courseid); } else { $section = $usection; } + @groups = &get_users_groups($udom,$uname,$courseid); } my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest; @@ -4853,12 +5446,17 @@ sub EXT { my $userreply=&resdata($uname,$udom,'user', ($courselevelr,$courselevelm, $courselevel)); - if (defined($userreply)) { return $userreply; } # ------------------------------------------------ second, check some of course + my $coursereply; + if (@groups > 0) { + $coursereply = &check_group_parms($courseid,\@groups,$symbparm, + $mapparm,$spacequalifierrest); + if (defined($coursereply)) { return $coursereply; } + } - my $coursereply=&resdata($env{'course.'.$courseid.'.num'}, + $coursereply=&resdata($env{'course.'.$courseid.'.num'}, $env{'course.'.$courseid.'.domain'}, 'course', ($seclevelr,$seclevelm,$seclevel, @@ -4929,16 +5527,64 @@ sub EXT { if ($space eq 'time') { return time; } + } elsif ($realm eq 'server') { +# ----------------------------------------------------------------- system.time + if ($space eq 'name') { + return $ENV{'SERVER_NAME'}; + } } return ''; } +sub check_group_parms { + my ($courseid,$groups,$symbparm,$mapparm,$what) = @_; + my @groupitems = (); + my $resultitem; + my @levels = ($symbparm,$mapparm,$what); + foreach my $group (@{$groups}) { + foreach my $level (@levels) { + my $item = $courseid.'.['.$group.'].'.$level; + push(@groupitems,$item); + } + } + my $coursereply = &resdata($env{'course.'.$courseid.'.num'}, + $env{'course.'.$courseid.'.domain'}, + 'course',@groupitems); + return $coursereply; +} + +sub sort_course_groups { # Sort groups based on defined rankings. Default is sort(). + my ($courseid,@groups) = @_; + @groups = sort(@groups); + return @groups; +} + sub packages_tab_default { my ($uri,$varname)=@_; my (undef,$part,$name)=split(/\./,$varname); - my $packages=&metadata($uri,'packages'); - foreach my $package (split(/,/,$packages)) { + + my (@extension,@specifics,$do_default); + foreach my $package (split(/,/,&metadata($uri,'packages'))) { my ($pack_type,$pack_part)=split(/_/,$package,2); + if ($pack_type eq 'default') { + $do_default=1; + } elsif ($pack_type eq 'extension') { + push(@extension,[$package,$pack_type,$pack_part]); + } else { + push(@specifics,[$package,$pack_type,$pack_part]); + } + } + # first look for a package that matches the requested part id + foreach my $package (@specifics) { + my (undef,$pack_type,$pack_part)=@{$package}; + next if ($pack_part ne $part); + if (defined($packagetab{"$pack_type&$name&default"})) { + return $packagetab{"$pack_type&$name&default"}; + } + } + # look for any possible matching non extension_ package + foreach my $package (@specifics) { + my (undef,$pack_type,$pack_part)=@{$package}; if (defined($packagetab{"$pack_type&$name&default"})) { return $packagetab{"$pack_type&$name&default"}; } @@ -4947,6 +5593,20 @@ sub packages_tab_default { return $packagetab{$pack_type."_".$pack_part."&$name&default"}; } } + # look for any posible extension_ match + foreach my $package (@extension) { + my ($package,$pack_type)=@{$package}; + if (defined($packagetab{"$pack_type&$name&default"})) { + return $packagetab{"$pack_type&$name&default"}; + } + if (defined($packagetab{$package."&$name&default"})) { + return $packagetab{$package."&$name&default"}; + } + } + # look for a global default setting + if ($do_default && defined($packagetab{"default&$name&default"})) { + return $packagetab{"default&$name&default"}; + } return undef; } @@ -5032,16 +5692,16 @@ sub metadata { } else { $metaentry{':packages'}=$package.$keyroot; } - foreach (sort keys %packagetab) { + foreach my $pack_entry (keys(%packagetab)) { my $part=$keyroot; $part=~s/^\_//; - if ($_=~/^\Q$package\E\&/ || - $_=~/^\Q$package\E_0\&/) { - my ($pack,$name,$subp)=split(/\&/,$_); + if ($pack_entry=~/^\Q$package\E\&/ || + $pack_entry=~/^\Q$package\E_0\&/) { + my ($pack,$name,$subp)=split(/\&/,$pack_entry); # ignore package.tab specified default values # here &package_tab_default() will fetch those if ($subp eq 'default') { next; } - my $value=$packagetab{$_}; + my $value=$packagetab{$pack_entry}; my $unikey; if ($pack =~ /_0$/) { $unikey='parameter_0_'.$name; @@ -5089,11 +5749,12 @@ sub metadata { my $dir=$filename; $dir=~s|[^/]*$||; $location=&filelocation($dir,$location); - foreach (sort(split(/\,/,&metadata($uri,'keys', - $location,$unikey, - $depthcount+1)))) { - $metaentry{':'.$_}=$metaentry{':'.$_}; - $metathesekeys{$_}=1; + my $metadata = + &metadata($uri,'keys', $location,$unikey, + $depthcount+1); + foreach my $meta (split(',',$metadata)) { + $metaentry{':'.$meta}=$metaentry{':'.$meta}; + $metathesekeys{$meta}=1; } } } else { @@ -5102,8 +5763,9 @@ sub metadata { $unikey.='_'.$token->[2]->{'name'}; } $metathesekeys{$unikey}=1; - foreach (@{$token->[3]}) { - $metaentry{':'.$unikey.'.'.$_}=$token->[2]->{$_}; + foreach my $param (@{$token->[3]}) { + $metaentry{':'.$unikey.'.'.$param} = + $token->[2]->{$param}; } my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry)); my $default=$metaentry{':'.$unikey.'.default'}; @@ -5124,14 +5786,14 @@ sub metadata { } } my ($extension) = ($uri =~ /\.(\w+)$/); - foreach my $key (sort(keys(%packagetab))) { + foreach my $key (keys(%packagetab)) { #no specific packages #how's our extension if ($key!~/^extension_\Q$extension\E&/) { next; } &metadata_create_package_def($uri,$key,'extension_'.$extension, \%metathesekeys); } if (!exists($metaentry{':packages'})) { - foreach my $key (sort(keys(%packagetab))) { + foreach my $key (keys(%packagetab)) { #no specific packages well let's get default then if ($key!~/^default&/) { next; } &metadata_create_package_def($uri,$key,'default', @@ -5149,18 +5811,25 @@ sub metadata { my $dir=$filename; $dir=~s|[^/]*$||; $location=&filelocation($dir,$location); - foreach (sort(split(/\,/,&metadata($uri,'keys', - $location,'_rights', - $depthcount+1)))) { - #$metaentry{':'.$_}=$metacache{$uri}->{':'.$_}; - $metathesekeys{$_}=1; + my $rights_metadata = + &metadata($uri,'keys',$location,'_rights', + $depthcount+1); + foreach my $rights (split(',',$rights_metadata)) { + #$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights}; + $metathesekeys{$rights}=1; } } } - $metaentry{':keys'}=join(',',keys %metathesekeys); + # uniqifiy package listing + my %seen; + my @uniq_packages = + grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); + $metaentry{':packages'} = join(',',@uniq_packages); + + $metaentry{':keys'} = join(',',keys(%metathesekeys)); &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); - &do_cache_new('meta',$uri,\%metaentry,60*60*24); + &do_cache_new('meta',$uri,\%metaentry,60*60); # this is the end of "was not already recently cached } return $metaentry{':'.$what}; @@ -5193,7 +5862,7 @@ sub metadata_create_package_def { sub metadata_generate_part0 { my ($metadata,$metacache,$uri) = @_; my %allnames; - foreach my $metakey (sort keys %$metadata) { + foreach my $metakey (keys(%$metadata)) { if ($metakey=~/^parameter\_(.*)/) { my $part=$$metacache{':'.$metakey.'.part'}; my $name=$$metacache{':'.$metakey.'.name'}; @@ -5256,10 +5925,17 @@ sub get_slot { $cdom=$env{'course.'.$courseid.'.domain'}; $cnum=$env{'course.'.$courseid.'.num'}; } - my %slotinfo=&get('slots',[$which],$cdom,$cnum); - &Apache::lonhomework::showhash(%slotinfo); - my ($tmp)=keys(%slotinfo); - if ($tmp=~/^error:/) { return (); } + my $key=join("\0",'slots',$cdom,$cnum,$which); + my %slotinfo; + if (exists($remembered{$key})) { + $slotinfo{$which} = $remembered{$key}; + } else { + %slotinfo=&get('slots',[$which],$cdom,$cnum); + &Apache::lonhomework::showhash(%slotinfo); + my ($tmp)=keys(%slotinfo); + if ($tmp=~/^error:/) { return (); } + $remembered{$key} = $slotinfo{$which}; + } if (ref($slotinfo{$which}) eq 'HASH') { return %{$slotinfo{$which}}; } @@ -5274,9 +5950,12 @@ sub symblist { if (($env{'request.course.fn'}) && (%newhash)) { if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_WRCREAT(),0640)) { - foreach (keys %newhash) { - $hash{declutter($_)}=&encode_symb($mapname,$newhash{$_}->[1], - $newhash{$_}->[0]); + foreach my $url (keys %newhash) { + next if ($url eq 'last_known' + && $env{'form.no_update_last_known'}); + $hash{declutter($url)}=&encode_symb($mapname, + $newhash{$url}->[1], + $newhash{$url}->[0]); } if (untie(%hash)) { return 'ok'; @@ -5293,6 +5972,7 @@ sub symbverify { my $thisfn=$thisurl; # wrapper not part of symbs $thisfn=~s/^\/adm\/wrapper//; + $thisfn=~s/^\/adm\/coursedocs\/showdoc\///; $thisfn=&declutter($thisfn); # direct jump to resource in page or to a sequence - will construct own symbs if ($thisfn=~/\.(page|sequence)$/) { return 1; } @@ -5347,6 +6027,7 @@ sub symbclean { # remove wrapper $symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/; + $symb=~s/(\_\_\_\d+\_\_\_)adm\/coursedocs\/showdoc\/(res\/)*/$1/; return $symb; } @@ -5997,6 +6678,11 @@ sub filelocation { my ($dir,$file) = @_; my $location; $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces + + if ($file =~ m-^/adm/-) { + $file=~s-^/adm/wrapper/-/-; + $file=~s-^/adm/coursedocs/showdoc/-/-; + } if ($file=~m:^/~:) { # is a contruction space reference $location = $file; $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; @@ -6011,7 +6697,7 @@ sub filelocation { my @ids=¤t_machine_ids(); foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } } if ($is_me) { - $location=&Apache::loncommon::propath($udom,$uname). + $location=&propath($udom,$uname). '/userfiles/'.$filename; } else { $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. @@ -6036,6 +6722,9 @@ sub hreflocation { my ($dir,$file)=@_; unless (($file=~m-^http://-i) || ($file=~m-^/-)) { $file=filelocation($dir,$file); + } elsif ($file=~m-^/adm/-) { + $file=~s-^/adm/wrapper/-/-; + $file=~s-^/adm/coursedocs/showdoc/-/-; } if ($file=~m-^\Q$perlvar{'lonDocRoot'}\E-) { $file=~s-^\Q$perlvar{'lonDocRoot'}\E--; @@ -6079,6 +6768,8 @@ sub declutter { if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; $thisfn=~s/^\///; + $thisfn=~s|^adm/wrapper/||; + $thisfn=~s|^adm/coursedocs/showdoc/||; $thisfn=~s/^res\///; $thisfn=~s/\?.+$//; return $thisfn; @@ -6091,6 +6782,30 @@ sub clutter { unless ($thisfn=~/^\/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)\//) { $thisfn='/res'.$thisfn; } + if ($thisfn !~m|/adm|) { + if ($thisfn =~ m|/ext/|) { + $thisfn='/adm/wrapper'.$thisfn; + } else { + my ($ext) = ($thisfn =~ /\.(\w+)$/); + my $embstyle=&Apache::loncommon::fileembstyle($ext); + if ($embstyle eq 'ssi' + || ($embstyle eq 'hdn') + || ($embstyle eq 'rat') + || ($embstyle eq 'prv') + || ($embstyle eq 'ign')) { + #do nothing with these + } elsif (($embstyle eq 'img') + || ($embstyle eq 'emb') + || ($embstyle eq 'wrp')) { + $thisfn='/adm/wrapper'.$thisfn; + } elsif ($embstyle eq 'unk' + && $thisfn!~/\.(sequence|page)$/) { + $thisfn='/adm/coursedocs/showdoc'.$thisfn; + } else { +# &logthis("Got a blank emb style"); + } + } + } return $thisfn; } @@ -6103,21 +6818,6 @@ sub freeze_escape { return &escape($value); } -# -------------------------------------------------------- Escape Special Chars - -sub escape { - my $str=shift; - $str =~ s/(\W)/"%".unpack('H2',$1)/eg; - return $str; -} - -# ----------------------------------------------------- Un-Escape Special Chars - -sub unescape { - my $str=shift; - $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - return $str; -} sub thaw_unescape { my ($value)=@_; @@ -6155,7 +6855,6 @@ sub goodbye { &logthis(sprintf("%-20s is %s",'hits',$hits)); &flushcourselogs(); &logthis("Shutting down"); - return DONE; } BEGIN { @@ -6234,7 +6933,7 @@ BEGIN { } close($config); # FIXME: dev server don't want this, production servers _do_ want this - &get_iphost(); + #&get_iphost(); } sub get_iphost { @@ -6292,8 +6991,14 @@ sub get_iphost { while (my $configline=<$config>) { chomp($configline); if ($configline) { - my ($short,$plain)=split(/:/,$configline); - if ($plain ne '') { $prp{$short}=$plain; } + my ($short,@plain)=split(/:/,$configline); + %{$prp{$short}} = (); + if (@plain > 0) { + $prp{$short}{'std'} = $plain[0]; + for (my $i=1; $i<@plain; $i++) { + $prp{$short}{'alt'.$i} = $plain[$i]; + } + } } } close($config); @@ -6908,6 +7613,27 @@ all args are optional =item * +dumpstore($namespace,$udom,$uname,$regexp,$range) : +dumps the complete (or key matching regexp) namespace into a hash +($udom, $uname, $regexp, $range are optional) for a namespace that is +normally &store()ed into + +$range should be either an integer '100' (give me the first 100 + matching records) + or be two integers sperated by a - with no spaces + '30-50' (give me the 30th through the 50th matching + records) + + +=item * + +putstore($namespace,$symb,$version,$storehash,$udomain,$uname) : +replaces a &store() version of data with a replacement set of data +for a particular resource in a namespace passed in the $storehash hash +reference + +=item * + tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that works very similar to store/cstore, but all data is stored in a temporary location and can be reset using tmpreset, $storehash should @@ -6937,10 +7663,15 @@ namesp ($udom and $uname are optional) =item * -dump($namespace,$udom,$uname,$regexp) : +dump($namespace,$udom,$uname,$regexp,$range) : dumps the complete (or key matching regexp) namespace into a hash -($udom, $uname and $regexp are optional) +($udom, $uname, $regexp, $range are optional) +$range should be either an integer '100' (give me the first 100 + matching records) + or be two integers sperated by a - with no spaces + '30-50' (give me the 30th through the 50th matching + records) =item * inc($namespace,$store,$udom,$uname) : increments $store in $namespace. @@ -6956,19 +7687,33 @@ put($namespace,$storehash,$udom,$uname) =item * -putstore($namespace,$storehash,$udomain,$uname) : stores hash in namesp -keys used in storehash include version information (e.g., 1:$symb:message etc.) as -used in records written by &store and retrieved by &restore. This function -was created for use in editing discussion posts, without incrementing the -version number included in the key for a particular post. The colon -separated list of attribute names (e.g., the value associated with the key -1:keys:$symb) is also generated and passed in the ampersand separated -items sent to lonnet::reply(). +cput($namespace,$storehash,$udom,$uname) : critical put +($udom and $uname are optional) =item * -cput($namespace,$storehash,$udom,$uname) : critical put -($udom and $uname are optional) +newput($namespace,$storehash,$udom,$uname) : + +Attempts to store the items in the $storehash, but only if they don't +currently exist, if this succeeds you can be certain that you have +successfully created a new key value pair in the $namespace db. + + +Args: + $namespace: name of database to store values to + $storehash: hashref to store to the db + $udom: (optional) domain of user containing the db + $uname: (optional) name of user caontaining the db + +Returns: + 'ok' -> succeeded in storing all keys of $storehash + 'key_exists: ' -> failed to anything out of $storehash, as at + least already existed in the db (other + requested keys may also already exist) + 'error: ' -> unable to tie the DB or other erorr occured + 'con_lost' -> unable to contact request server + 'refused' -> action was not allowed by remote machine + =item * @@ -7096,6 +7841,16 @@ getfile($file,$caller) : two cases - req - returns the entire contents of a file or -1; it properly subscribes to and replicates the file if neccessary. + +=item * + +stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file + reference + +returns either a stat() list of data about the file or an empty list +if the file doesn't exist or couldn't find out about it (connection +problems or user unknown) + =item * filelocation($dir,$file) : returns file system location of a file @@ -7196,6 +7951,103 @@ removeuploadedurl(): convience function Args: url: a full /uploaded/... url to delete +=item * + +get_portfile_permissions(): + Args: + domain: domain of user or course contain the portfolio files + user: name of user or num of course contain the portfolio files + Returns: + hashref of a dump of the proper file_permissions.db + + +=item * + +get_access_controls(): + +Args: + current_permissions: the hash ref returned from get_portfile_permissions() + group: (optional) the group you want the files associated with + file: (optional) the file you want access info on + +Returns: + a hash (keys are file names) of hashes containing + keys are: path to file/file_name\0uniqueID:scope_end_start (see below) + values are XML containing access control settings (see below) + +Internal notes: + + access controls are stored in file_permissions.db as key=value pairs. + key -> path to file/file_name\0uniqueID:scope_end_start + where scope -> public,guest,course,group,domains or users. + end -> UNIX time for end of access (0 -> no end date) + start -> UNIX time for start of access + + value -> XML description of access control + (type =1 of: public,guest,course,group,domains,users"> + + + + for scope type = guest + + for scope type = course or group + + + + +
+ +
+ + for scope type = domains + + for scope type = users + + + + + +
+ + Access data is also aggregated for each file in an additional key=value pair: + key -> path to file/file_name\0accesscontrol + value -> reference to hash + hash contains key = value pairs + where key = uniqueID:scope_end_start + value = UNIX time record was last updated + + Used to improve speed of look-ups of access controls for each file. + + Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays. + +parse_access_controls(): + +Parses XML of an access control record +Args +1. Text string (XML) of access comtrol record + +Returns: +1. Hash of access control settings. + +modify_access_controls(): + +Modifies access controls for a portfolio file +Args +1. file name +2. reference to hash of required changes, +3. domain +4. username + where domain,username are the domain of the portfolio owner + (either a user or a course) + +Returns: +1. result of additions or updates ('ok' or 'error', with error message). +2. result of deletions ('ok' or 'error', with error message). +3. reference to hash of any new or updated access controls. +4. reference to hash used to map incoming IDs to uniqueIDs assigned to control. + key = integer (inbound ID) + value = uniqueID + =back =head2 HTTP Helper Routines