--- loncom/lonnet/perl/lonnet.pm 2004/08/25 16:03:17 1.532 +++ loncom/lonnet/perl/lonnet.pm 2005/01/18 22:09:14 1.589 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.532 2004/08/25 16:03:17 albertel Exp $ +# $Id: lonnet.pm,v 1.589 2005/01/18 22:09:14 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,20 +38,20 @@ use vars qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom %libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache %courselogs %accesshash %userrolehash $processmarker $dumpcount - %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseresdatacache - %userresdatacache %usectioncache %domaindescription %domain_auth_def %domain_auth_arg_def - %domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir); + %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %courseresdatacache + %userresdatacache %getsectioncache %domaindescription %domain_auth_def %domain_auth_arg_def + %domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir $_64bit); use IO::Socket; use GDBM_File; use Apache::Constants qw(:common :http); use HTML::LCParser; use Fcntl qw(:flock); -use Apache::loncoursedata; use Apache::lonlocal; -use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw); -use Time::HiRes(); +use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw nfreeze); +use Time::HiRes qw( gettimeofday tv_interval ); my $readit; +my $max_connection_retries = 10; # Or some such value. =pod @@ -116,14 +116,40 @@ sub logperm { sub subreply { my ($cmd,$server)=@_; my $peerfile="$perlvar{'lonSockDir'}/$server"; - my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", - Type => SOCK_STREAM, - Timeout => 10) - or return "con_lost"; - print $client "$cmd\n"; - my $answer=<$client>; - if (!$answer) { $answer="con_lost"; } - chomp($answer); + # + # With loncnew process trimming, there's a timing hole between lonc server + # process exit and the master server picking up the listen on the AF_UNIX + # socket. In that time interval, a lock file will exist: + + my $lockfile=$peerfile.".lock"; + while (-e $lockfile) { # Need to wait for the lockfile to disappear. + sleep(1); + } + # At this point, either a loncnew parent is listening or an old lonc + # or loncnew child is listening so we can connect or everything's dead. + # + # We'll give the connection a few tries before abandoning it. If + # connection is not possible, we'll con_lost back to the client. + # + my $client; + for (my $retries = 0; $retries < $max_connection_retries; $retries++) { + $client=IO::Socket::UNIX->new(Peer =>"$peerfile", + Type => SOCK_STREAM, + Timeout => 10); + if($client) { + last; # Connected! + } + sleep(1); # Try again later if failed connection. + } + my $answer; + if ($client) { + print $client "$cmd\n"; + $answer=<$client>; + if (!$answer) { $answer="con_lost"; } + chomp($answer); + } else { + $answer = 'con_lost'; # Failed connection. + } return $answer; } @@ -131,22 +157,6 @@ sub reply { my ($cmd,$server)=@_; unless (defined($hostname{$server})) { return 'no_such_host'; } my $answer=subreply($cmd,$server); - if ($answer eq 'con_lost') { - #sleep 5; - #$answer=subreply($cmd,$server); - #if ($answer eq 'con_lost') { - # &logthis("Second attempt con_lost on $server"); - # my $peerfile="$perlvar{'lonSockDir'}/$server"; - # my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", - # Type => SOCK_STREAM, - # Timeout => 10) - # or return "con_lost"; - # &logthis("Killing socket"); - # print $client "close_connection_exit\n"; - #sleep 5; - # $answer=subreply($cmd,$server); - #} - } if (($answer=~/^refused/) || ($answer=~/^rejected/)) { &logthis("WARNING:". " $cmd to $server returned $answer"); @@ -194,11 +204,8 @@ sub critical { } my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { - my $pingreply=reply('ping',$server); &reconlonc("$perlvar{'lonSockDir'}/$server"); - my $pongreply=reply('pong',$server); - &logthis("Ping/Pong for $server: $pingreply/$pongreply"); - $answer=reply($cmd,$server); + my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { my $now=time; my $middlename=$cmd; @@ -434,7 +441,7 @@ sub overloaderror { if ($overload>0) { $r->err_headers_out->{'Retry-After'}=$overload; $r->log_error('Overload of '.$overload.' on '.$checkserver); - return 409; + return 413; } return ''; } @@ -771,6 +778,11 @@ sub getsection { my ($udom,$unam,$courseid)=@_; $courseid=~s/\_/\//g; $courseid=~s/^(\w)/\/$1/; + + my $hashid="$udom:$unam:$courseid"; + my ($result,$cached)=&is_cached(\%getsectioncache,$hashid,'getsection'); + if (defined($cached)) { return $result; } + my %Pending; my %Expired; # @@ -795,29 +807,29 @@ sub getsection { if ($key eq $courseid.'_st') { $section=''; } my ($dummy,$end,$start)=split(/\_/,&unescape($value)); my $now=time; - if (defined($end) && ($now > $end)) { + if (defined($end) && $end && ($now > $end)) { $Expired{$end}=$section; next; } - if (defined($start) && ($now < $start)) { + if (defined($start) && $start && ($now < $start)) { $Pending{$start}=$section; next; } - return $section; + return &do_cache(\%getsectioncache,$hashid,$section,'getsection'); } # # Presumedly there will be few matching roles from the above # loop and the sorting time will be negligible. if (scalar(keys(%Pending))) { my ($time) = sort {$a <=> $b} keys(%Pending); - return $Pending{$time}; + return &do_cache(\%getsectioncache,$hashid,$Pending{$time},'getsection'); } if (scalar(keys(%Expired))) { my @sorted = sort {$a <=> $b} keys(%Expired); my $time = pop(@sorted); - return $Expired{$time}; + return &do_cache(\%getsectioncache,$hashid,$Expired{$time},'getsection'); } - return '-1'; + return &do_cache(\%getsectioncache,$hashid,'-1','getsection'); } @@ -826,10 +838,12 @@ my $disk_caching_disabled=1; sub devalidate_cache { my ($cache,$id,$name) = @_; delete $$cache{$id.'.time'}; + delete $$cache{$id.'.file'}; delete $$cache{$id}; - if ($disk_caching_disabled) { return; } + if (1 || $disk_caching_disabled) { return; } my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; - open(DB,"$filename.lock"); + if (!-e $filename) { return; } + open(DB,">$filename.lock"); flock(DB,LOCK_EX); my %hash; if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { @@ -856,16 +870,32 @@ sub is_cached { my ($cache,$id,$name,$time) = @_; if (!$time) { $time=300; } if (!exists($$cache{$id.'.time'})) { - &load_cache_item($cache,$name,$id); + &load_cache_item($cache,$name,$id,$time); } if (!exists($$cache{$id.'.time'})) { # &logthis("Didn't find $id"); return (undef,undef); } else { if (time-($$cache{$id.'.time'})>$time) { -# &logthis("Devalidating $id - ".time-($$cache{$id.'.time'})); - &devalidate_cache($cache,$id,$name); - return (undef,undef); + if (exists($$cache{$id.'.file'})) { + foreach my $filename (@{ $$cache{$id.'.file'} }) { + my $mtime=(stat($filename))[9]; + #+1 is to take care of edge effects + if ($mtime && (($mtime+1) < ($$cache{$id.'.time'}))) { +# &logthis("Upping $mtime - ".$$cache{$id.'.time'}. +# "$id because of $filename"); + } else { + &logthis("Devalidating $filename $id - ".(time-($$cache{$id.'.time'}))); + &devalidate_cache($cache,$id,$name); + return (undef,undef); + } + } + $$cache{$id.'.time'}=time; + } else { +# &logthis("Devalidating $id - ".time-($$cache{$id.'.time'})); + &devalidate_cache($cache,$id,$name); + return (undef,undef); + } } } return ($$cache{$id},1); @@ -881,44 +911,69 @@ sub do_cache { $$cache{$id}; } +my %do_save_item; +my %do_save; sub save_cache_item { my ($cache,$name,$id)=@_; if ($disk_caching_disabled) { return; } - my $starttime=&Time::HiRes::time(); -# &logthis("Saving :$name:$id"); - my %hash; - my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; - open(DB,"$filename.lock"); - flock(DB,LOCK_EX); - if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { - eval <<'EVALBLOCK'; - $hash{$id.'.time'}=$$cache{$id.'.time'}; - $hash{$id}=freeze({'item'=>$$cache{$id}}); + $do_save{$name}=$cache; + if (!exists($do_save_item{$name})) { $do_save_item{$name}={} } + $do_save_item{$name}->{$id}=1; + return; +} + +sub save_cache { + if ($disk_caching_disabled) { return; } + my ($cache,$name,$id); + foreach $name (keys(%do_save)) { + $cache=$do_save{$name}; + + my $starttime=&Time::HiRes::time(); + &logthis("Saving :$name:"); + my %hash; + my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; + open(DB,">$filename.lock"); + flock(DB,LOCK_EX); + if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { + foreach $id (keys(%{ $do_save_item{$name} })) { + eval <<'EVALBLOCK'; + $hash{$id.'.time'}=$$cache{$id.'.time'}; + $hash{$id}=freeze({'item'=>$$cache{$id}}); + if (exists($$cache{$id.'.file'})) { + $hash{$id.'.file'}=freeze({'item'=>$$cache{$id.'.file'}}); + } EVALBLOCK - if ($@) { - &logthis("save_cache blew up :$@:$name"); - unlink($filename); - } - } else { - if (-e $filename) { - &logthis("Unable to tie hash (save cache item): $name ($!)"); - unlink($filename); + if ($@) { + &logthis("save_cache blew up :$@:$name"); + unlink($filename); + last; + } + } + } else { + if (-e $filename) { + &logthis("Unable to tie hash (save cache): $name ($!)"); + unlink($filename); + } } + untie(%hash); + flock(DB,LOCK_UN); + close(DB); + &logthis("save_cache $name took ".(&Time::HiRes::time()-$starttime)); } - untie(%hash); - flock(DB,LOCK_UN); - close(DB); -# &logthis("save_cache_item $name took ".(&Time::HiRes::time()-$starttime)); + undef(%do_save); + undef(%do_save_item); + } sub load_cache_item { - my ($cache,$name,$id)=@_; + my ($cache,$name,$id,$time)=@_; if ($disk_caching_disabled) { return; } my $starttime=&Time::HiRes::time(); # &logthis("Before Loading $name for $id size is ".scalar(%$cache)); my %hash; my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; - open(DB,"$filename.lock"); + if (!-e $filename) { return; } + open(DB,">$filename.lock"); flock(DB,LOCK_SH); if (tie(%hash,'GDBM_File',$filename,&GDBM_READER(),0640)) { eval <<'EVALBLOCK'; @@ -935,9 +990,17 @@ sub load_cache_item { } # &logthis("Initial load: $count"); } else { - my $hashref=thaw($hash{$id}); - $$cache{$id}=$hashref->{'item'}; - $$cache{$id.'.time'}=$hash{$id.'.time'}; + if (($$cache{$id.'.time'}+$time) < time) { + $$cache{$id.'.time'}=$hash{$id.'.time'}; + { + my $hashref=thaw($hash{$id}); + $$cache{$id}=$hashref->{'item'}; + } + if (exists($hash{$id.'.file'})) { + my $hashref=thaw($hash{$id.'.file'}); + $$cache{$id.'.file'}=$hashref->{'item'}; + } + } } EVALBLOCK if ($@) { @@ -957,38 +1020,6 @@ EVALBLOCK # &logthis("load_cache_item $name took ".(&Time::HiRes::time()-$starttime)); } -sub usection { - my ($udom,$unam,$courseid)=@_; - my $hashid="$udom:$unam:$courseid"; - - my ($result,$cached)=&is_cached(\%usectioncache,$hashid,'usection'); - if (defined($cached)) { return $result; } - $courseid=~s/\_/\//g; - $courseid=~s/^(\w)/\/$1/; - foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', - &homeserver($unam,$udom)))) { - my ($key,$value)=split(/\=/,$_); - $key=&unescape($key); - if ($key=~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/) { - my $section=$1; - if ($key eq $courseid.'_st') { $section=''; } - my ($dummy,$end,$start)=split(/\_/,&unescape($value)); - my $now=time; - my $notactive=0; - if ($start) { - if ($now<$start) { $notactive=1; } - } - if ($end) { - if ($now>$end) { $notactive=1; } - } - unless ($notactive) { - return &do_cache(\%usectioncache,$hashid,$section,'usection'); - } - } - } - return &do_cache(\%usectioncache,$hashid,'-1','usection'); -} - # ------------------------------------- Read an entry from a user's environment sub userenvironment { @@ -1067,7 +1098,12 @@ sub subscribe { sub repcopy { my $filename=shift; $filename=~s/\/+/\//g; - if ($filename=~/^\/home\/httpd\/html\/adm\//) { return OK; } + if ($filename=~m|^/home/httpd/html/adm/|) { return OK; } + if ($filename=~m|^/home/httpd/html/lonUsers/|) { return OK; } + if ($filename=~m|^/home/httpd/html/userfiles/| or + $filename=~m|^/*uploaded/|) { + return &repcopy_userfile($filename); + } $filename=~s/[\n\r]//g; my $transname="$filename.in.transfer"; if ((-e $filename) || (-e $transname)) { return OK; } @@ -1133,8 +1169,7 @@ sub ssi_body { my ($filelink,%form)=@_; my $output=($filelink=~/^http\:/?&externalssi($filelink): &ssi($filelink,%form)); - $output=~ - s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; + $output=~s|//(\s*)?\s||gs; $output=~s/^.*?\]*\>//si; $output=~s/(.*)\<\/body\s*\>.*?$/$1/si; return $output; @@ -1279,6 +1314,9 @@ sub clean_filename { $fname=~s/\s+/\_/g; # Replace all other weird characters by nothing $fname=~s/[^\w\.\-]//g; +# Replace all .\d. sequences with _\d. so they no longer look like version +# numbers + $fname=~s/\.(\d+)(?=\.)/_$1/g; return $fname; } @@ -1349,13 +1387,13 @@ sub finishuserfileupload { } # Save the file { - #&Apache::lonnet::logthis("Saving to $filepath $file"); - open(my $fh,'>'.$filepath.'/'.$file); - print $fh $ENV{'form.'.$formname}; - close($fh); + open(FH,'>'.$filepath.'/'.$file); + print FH $ENV{'form.'.$formname}; + close(FH); } # Notify homeserver to grep it # + &Apache::lonnet::logthis("fetching ".$path.$file); my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); if ($fetchresult eq 'ok') { # @@ -1433,12 +1471,12 @@ sub flushcourselogs { if ($courseidbuffer{$coursehombuf{$crsid}}) { $courseidbuffer{$coursehombuf{$crsid}}.='&'. &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). - '='.&escape($courseinstcodebuf{$crsid}); + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}); } else { $courseidbuffer{$coursehombuf{$crsid}}= &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). - '='.&escape($courseinstcodebuf{$crsid}); - } + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}); + } } # # Write course id database (reverse lookup) to homeserver of courses @@ -1513,6 +1551,8 @@ sub courselog { $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; $courseinstcodebuf{$ENV{'request.course.id'}}= $ENV{'course.'.$ENV{'request.course.id'}.'.internal.coursecode'}; + $courseownerbuf{$ENV{'request.course.id'}}= + $ENV{'course.'.$ENV{'request.course.id'}.'.internal.courseowner'}; if (defined $courselogs{$ENV{'request.course.id'}}) { $courselogs{$ENV{'request.course.id'}}.='&'.$what; } else { @@ -1529,11 +1569,23 @@ sub courseacclog { my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) { $what.=':POST'; + # FIXME: Probably ought to escape things.... foreach (keys %ENV) { if ($_=~/^form\.(.*)/) { $what.=':'.$1.'='.$ENV{$_}; } } + } elsif ($fnsymb =~ m:^/adm/searchcat:) { + # FIXME: We should not be depending on a form parameter that someone + # editing lonsearchcat.pm might change in the future. + if ($ENV{'form.phase'} eq 'course_search') { + $what.= ':POST'; + # FIXME: Probably ought to escape things.... + foreach my $element ('courseexp','crsfulltext','crsrelated', + 'crsdiscuss') { + $what.=':'.$element.'='.$ENV{'form.'.$element}; + } + } } &courselog($what); } @@ -1585,6 +1637,7 @@ sub get_course_adv_roles { if (($tend) && ($tend<$now)) { next; } if (($tstart) && ($now<$tstart)) { next; } my ($role,$username,$domain,$section)=split(/\:/,$_); + if ($username eq '' || $domain eq '') { next; } if ((&privileged($username,$domain)) && (!$nothide{$username.':'.$domain})) { next; } my $key=&plaintext($role); @@ -1656,7 +1709,7 @@ sub courseidput { } sub courseiddump { - my ($domfilter,$descfilter,$sincefilter,$hostidflag,$hostidref)=@_; + my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$hostidflag,$hostidref)=@_; my %returnhash=(); unless ($domfilter) { $domfilter=''; } foreach my $tryserver (keys %libserv) { @@ -1664,7 +1717,8 @@ sub courseiddump { if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) { foreach ( split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'. - $sincefilter.':'.&escape($descfilter), + $sincefilter.':'.&escape($descfilter).':'. + &escape($instcodefilter).':'.&escape($ownerfilter), $tryserver))) { my ($key,$value)=split(/\=/,$_); if (($key) && ($value)) { @@ -1685,19 +1739,27 @@ sub get_first_access { my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser(); if ($argsymb) { $symb=$argsymb; } my ($map,$id,$res)=&decode_symb($symb); - if ($type eq 'map') { $res=$map; } - my %times=&get('firstaccesstimes',[$res],$udom,$uname); - return $times{$res}; + if ($type eq 'map') { + $res=&symbread($map); + } else { + $res=$symb; + } + my %times=&get('firstaccesstimes',["$courseid\0$res"],$udom,$uname); + return $times{"$courseid\0$res"}; } sub set_first_access { my ($type)=@_; my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser(); my ($map,$id,$res)=&decode_symb($symb); - if ($type eq 'map') { $res=$map; } - my $firstaccess=&get_first_access($type); + if ($type eq 'map') { + $res=&symbread($map); + } else { + $res=$symb; + } + my $firstaccess=&get_first_access($type,$symb); if (!$firstaccess) { - return &put('firstaccesstimes',{$res=>time},$udom,$uname); + return &put('firstaccesstimes',{"$courseid\0$res"=>time},$udom,$uname); } return 'already_set'; } @@ -1814,6 +1876,7 @@ sub devalidate { # - the student level sheet of this user in course's homespace # - the assessment level sheet for this resource # for this user in user's homespace + # - current conditional state info my $key=$uname.':'.$udom.':'; my $status= &del('nohist_calculatedsheets', @@ -1828,6 +1891,7 @@ sub devalidate { $uname.' at '.$udom.' for '. $symb.': '.$status); } + &delenv('user.state.'.$cid); } } @@ -2301,7 +2365,7 @@ sub privileged { my $now=time; if ($rolesdump ne '') { foreach (split(/&/,$rolesdump)) { - if ($_!~/^rolesdef\&/) { + if ($_!~/^rolesdef_/) { my ($area,$role)=split(/=/,$_); $area=~s/\_\w\w$//; my ($trole,$tend,$tstart)=split(/_/,$role); @@ -2328,105 +2392,37 @@ sub rolesinit { my $rolesdump=reply("dump:$domain:$username:roles",$authhost); if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return ''; } my %allroles=(); - my %thesepriv=(); my $now=time; my $userroles="user.login.time=$now\n"; - my $thesestr; if ($rolesdump ne '') { foreach (split(/&/,$rolesdump)) { - if ($_!~/^rolesdef\&/) { + if ($_!~/^rolesdef_/) { my ($area,$role)=split(/=/,$_); - $area=~s/\_\w\w$//; - my ($trole,$tend,$tstart)=split(/_/,$role); - $userroles.='user.role.'.$trole.'.'.$area.'='. - $tstart.'.'.$tend."\n"; -# log the associated role with the area - &userrolelog($trole,$username,$domain,$area,$tstart,$tend); - if ($tend!=0) { - if ($tend<$now) { - $trole=''; - } - } - if ($tstart!=0) { - if ($tstart>$now) { - $trole=''; - } - } + $area=~s/\_\w\w$//; + + my ($trole,$tend,$tstart); + if ($role=~/^cr/) { + ($trole,my $trest)=($role=~m|^(cr/\w+/\w+/[a-zA-Z0-9]+)_(.*)$|); + ($tend,$tstart)=split('_',$trest); + } else { + ($trole,$tend,$tstart)=split(/_/,$role); + } + $userroles.=&set_arearole($trole,$area,$tstart,$tend,$domain,$username); + if (($tend!=0) && ($tend<$now)) { $trole=''; } + if (($tstart!=0) && ($tstart>$now)) { $trole=''; } if (($area ne '') && ($trole ne '')) { my $spec=$trole.'.'.$area; my ($tdummy,$tdomain,$trest)=split(/\//,$area); if ($trole =~ /^cr\//) { - my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); - my $homsvr=homeserver($rauthor,$rdomain); - if ($hostname{$homsvr} ne '') { - my ($rdummy,$roledef)= - &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); - - if (($rdummy ne 'con_lost') && ($roledef ne '')) { - my ($syspriv,$dompriv,$coursepriv)= - split(/\_/,$roledef); - if (defined($syspriv)) { - $allroles{'cm./'}.=':'.$syspriv; - $allroles{$spec.'./'}.=':'.$syspriv; - } - if ($tdomain ne '') { - if (defined($dompriv)) { - $allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; - $allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; - } - if ($trest ne '') { - if (defined($coursepriv)) { - $allroles{'cm.'.$area}.=':'.$coursepriv; - $allroles{$spec.'.'.$area}.=':'.$coursepriv; - } - } - } - } - } + &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); } else { - if (defined($pr{$trole.':s'})) { - $allroles{'cm./'}.=':'.$pr{$trole.':s'}; - $allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; - } - if ($tdomain ne '') { - if (defined($pr{$trole.':d'})) { - $allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; - $allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; - } - if ($trest ne '') { - if (defined($pr{$trole.':c'})) { - $allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; - $allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; - } - } - } + &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); } } } } - my $adv=0; - my $author=0; - foreach (keys %allroles) { - %thesepriv=(); - if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } - if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } - foreach (split(/:/,$allroles{$_})) { - if ($_ ne '') { - my ($privilege,$restrictions)=split(/&/,$_); - if ($restrictions eq '') { - $thesepriv{$privilege}='F'; - } else { - if ($thesepriv{$privilege} ne 'F') { - $thesepriv{$privilege}.=$restrictions; - } - } - } - } - $thesestr=''; - foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } - $userroles.='user.priv.'.$_.'='.$thesestr."\n"; - } + my ($author,$adv) = &set_userprivs(\$userroles,\%allroles); $userroles.='user.adv='.$adv."\n". 'user.author='.$author."\n"; $ENV{'user.adv'}=$adv; @@ -2434,6 +2430,84 @@ sub rolesinit { 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.'.'.$tend."\n"; +} + +sub custom_roleprivs { + my ($allroles,$trole,$tdomain,$trest,$spec,$area) = @_; + my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); + my $homsvr=homeserver($rauthor,$rdomain); + if ($hostname{$homsvr} ne '') { + my ($rdummy,$roledef)= + &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); + if (($rdummy ne 'con_lost') && ($roledef ne '')) { + my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef); + if (defined($syspriv)) { + $$allroles{'cm./'}.=':'.$syspriv; + $$allroles{$spec.'./'}.=':'.$syspriv; + } + if ($tdomain ne '') { + if (defined($dompriv)) { + $$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; + $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; + } + if (($trest ne '') && (defined($coursepriv))) { + $$allroles{'cm.'.$area}.=':'.$coursepriv; + $$allroles{$spec.'.'.$area}.=':'.$coursepriv; + } + } + } + } +} + + +sub standard_roleprivs { + my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_; + if (defined($pr{$trole.':s'})) { + $$allroles{'cm./'}.=':'.$pr{$trole.':s'}; + $$allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; + } + if ($tdomain ne '') { + if (defined($pr{$trole.':d'})) { + $$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; + $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; + } + if (($trest ne '') && (defined($pr{$trole.':c'}))) { + $$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; + $$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; + } + } +} + +sub set_userprivs { + my ($userroles,$allroles) = @_; + my $author=0; + my $adv=0; + foreach (keys %{$allroles}) { + my %thesepriv=(); + if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } + foreach (split(/:/,$$allroles{$_})) { + if ($_ ne '') { + my ($privilege,$restrictions)=split(/&/,$_); + if ($restrictions eq '') { + $thesepriv{$privilege}='F'; + } elsif ($thesepriv{$privilege} ne 'F') { + $thesepriv{$privilege}.=$restrictions; + } + if ($thesepriv{'adv'} eq 'F') { $adv=1; } + } + } + my $thesestr=''; + foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } + $$userroles.='user.priv.'.$_.'='.$thesestr."\n"; + } + return ($author,$adv); +} + # --------------------------------------------------------------- get interface sub get { @@ -2455,7 +2529,7 @@ sub get { my %returnhash=(); my $i=0; foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + $returnhash{$_}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; @@ -2494,7 +2568,7 @@ sub dump { my %returnhash=(); foreach (@pairs) { my ($key,$value)=split(/=/,$_); - $returnhash{unescape($key)}=unescape($value); + $returnhash{unescape($key)}=&thaw_unescape($value); } return %returnhash; } @@ -2540,7 +2614,7 @@ sub currentdump { my ($key,$value)=split(/=/,$_); my ($symb,$param) = split(/:/,$key); $returnhash{&unescape($symb)}->{&unescape($param)} = - &unescape($value); + &thaw_unescape($value); } } return %returnhash; @@ -2606,7 +2680,7 @@ sub put { my $uhome=&homeserver($uname,$udomain); my $items=''; foreach (keys %$storehash) { - $items.=&escape($_).'='.&escape($$storehash{$_}).'&'; + $items.=&escape($_).'='.&freeze_escape($$storehash{$_}).'&'; } $items=~s/\&$//; return &reply("put:$udomain:$uname:$namespace:$items",$uhome); @@ -2645,7 +2719,7 @@ sub cput { my $uhome=&homeserver($uname,$udomain); my $items=''; foreach (keys %$storehash) { - $items.=escape($_).'='.escape($$storehash{$_}).'&'; + $items.=escape($_).'='.&freeze_escape($$storehash{$_}).'&'; } $items=~s/\&$//; return &critical("put:$udomain:$uname:$namespace:$items",$uhome); @@ -2668,7 +2742,7 @@ sub eget { my %returnhash=(); my $i=0; foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + $returnhash{$_}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; @@ -2711,11 +2785,13 @@ sub customaccess { # ------------------------------------------------- Check for a user privilege sub allowed { - my ($priv,$uri)=@_; + my ($priv,$uri,$symb)=@_; $uri=&deversion($uri); my $orguri=$uri; $uri=&declutter($uri); - + + + if (defined($ENV{'allowed.'.$priv})) { return $ENV{'allowed.'.$priv}; } # Free bre access to adm and meta resources if (((($uri=~/^adm\//) && ($uri !~ m|/bulletinboard$|)) @@ -2723,6 +2799,13 @@ sub allowed { return 'F'; } +# Free bre access to user's own portfolio contents + my ($space,$domain,$name,$dir)=split('/',$uri); + if (('uploaded' eq $space) && ($ENV{'user.name'} eq $name) && + ($ENV{'user.domain'} eq $domain) && ('portfolio' eq $dir)) { + return 'F'; + } + # Free bre to public access if ($priv eq 'bre') { @@ -2983,7 +3066,7 @@ sub allowed { if ($thisallowed=~/X/) { if ($ENV{'acc.randomout'}) { - my $symb=&symbread($uri,1); + if (!$symb) { $symb=&symbread($uri,1); } if (($symb) && ($ENV{'acc.randomout'}=~/\&\Q$symb\E\&/)) { return ''; } @@ -3124,8 +3207,10 @@ sub log_query { sub fetch_enrollment_query { my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_; my $homeserver; + my $maxtries = 1; if ($context eq 'automated') { $homeserver = $perlvar{'lonHostID'}; + $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout } else { $homeserver = &homeserver($cnum,$dom); } @@ -3143,8 +3228,13 @@ sub fetch_enrollment_query { return 'error: '.$queryid; } my $reply = &get_query_reply($queryid); + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { - &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$ENV{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum); + &logthis('fetch_enrollment_query error: '.$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'}) { @@ -3278,11 +3368,18 @@ sub auto_instcode_format { my $courses = ''; my $homeserver; if ($caller eq 'global') { - $homeserver = $perlvar{'lonHostID'}; + foreach my $tryserver (keys %libserv) { + if ($hostdom{$tryserver} eq $codedom) { + $homeserver = $tryserver; + last; + } + } + if (($ENV{'user.name'}) && ($ENV{'user.domain'} eq $codedom)) { + $homeserver = &homeserver($ENV{'user.name'},$codedom); + } } else { $homeserver = &homeserver($caller,$codedom); } - my $host=$hostname{$homeserver}; foreach (keys %{$instcodes}) { $courses .= &escape($_).'='.&escape($$instcodes{$_}).'&'; } @@ -3551,8 +3648,7 @@ sub modify_student_enrollment { $gene = $tmp{'generation'} if (!defined($gene) || $gene eq ''); $uid = $tmp{'id'} if (!defined($uid) || $uid eq ''); } - my $fullname = &Apache::loncoursedata::ProcessFullName($last,$gene, - $first,$middle); + my $fullname = &format_name($first,$middle,$last,$gene,'lastname'); my $reply=cput('classlist', {"$uname:$udom" => join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, @@ -3569,6 +3665,25 @@ sub modify_student_enrollment { return &assignrole($udom,$uname,$uurl,'st',$end,$start); } +sub format_name { + my ($firstname,$middlename,$lastname,$generation,$first)=@_; + my $name; + if ($first ne 'lastname') { + $name=$firstname.' '.$middlename.' '.$lastname.' '.$generation; + } else { + if ($lastname=~/\S/) { + $name.= $lastname.' '.$generation.', '.$firstname.' '.$middlename; + $name=~s/\s+,/,/; + } else { + $name.= $firstname.' '.$middlename.' '.$generation; + } + } + $name=~s/^\s+//; + $name=~s/\s+$//; + $name=~s/\s+/ /g; + return $name; +} + # ------------------------------------------------- Write to course preferences sub writecoursepref { @@ -3591,7 +3706,7 @@ sub writecoursepref { # ---------------------------------------------------------- Make/modify course sub createcourse { - my ($udom,$description,$url,$course_server,$nonstandard,$inst_code)=@_; + my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner)=@_; $url=&declutter($url); my $cid=''; unless (&allowed('ccc',$udom)) { @@ -3626,7 +3741,7 @@ sub createcourse { # ----------------------------------------------------------------- Course made # log existence &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description). - '='.&escape($inst_code),$uhome); + ':'.&escape($inst_code).':'.&escape($course_owner),$uhome); &flushcourselogs(); # set toplevel url my $topurl=$url; @@ -3679,41 +3794,177 @@ sub revokecustomrole { $deleteflag); } +# ------------------------------------------------------------ Disk usage +sub diskusage { + my ($udom,$uname,$directoryRoot)=@_; + $directoryRoot =~ s/\/$//; + my $listing=&reply('du:'.$directoryRoot,homeserver($uname,$udom)); + return $listing; +} -# ------------------------------------------------------------ Portfolio Director Lister -# returns listing of contents of user's /userfiles/portfolio/ directory -# +sub is_locked { + my ($file_name, $domain, $user) = @_; + my @check; + my $is_locked; + push @check, $file_name; + my %locked = &Apache::lonnet::get('file_permissions',\@check, + $ENV{'user.domain'},$ENV{'user.name'}); + if (ref($locked{$file_name}) eq 'ARRAY') { + $is_locked = 'true'; + } else { + $is_locked = 'false'; + } +} -sub portfoliolist { - my ($currentPath, $currentFile) = @_; - my ($udom, $uname, $portfolioRoot); - $uname=$ENV{'user.name'}; - $udom=$ENV{'user.domain'}; - # really should interrogate the system for home directory information, but . . . - $portfolioRoot = '/home/httpd/lonUsers/'.$udom.'/'; - $uname =~ /^(.?)(.?)(.?)/; - $portfolioRoot = $portfolioRoot.$1.'/'.$2.'/'.$3.'/'.$uname.'/userfiles/portfolio'; - my $listing = &reply('ls:'.$portfolioRoot.$currentPath, &homeserver($uname,$udom)); - return $listing; +# ------------------------------------------------------------- Mark as Read Only + +sub mark_as_readonly { + my ($domain,$user,$files,$what) = @_; + my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user); + foreach my $file (@{$files}) { + push(@{$current_permissions{$file}},$what); + } + &Apache::lonnet::put('file_permissions',\%current_permissions,$domain,$user); + return; } -sub portfoliomanage { +# ------------------------------------------------------------Save Selected Files -#FIXME please user the existing remove userfile function instead and -#add a userfilerename functions. -#FIXME uhome should never be an argument to any lonnet functions - - # handles deleting and renaming files in user's userfiles/portfolio/ directory - # - my ($filename, $fileaction, $filenewname) = @_; - my ($udom, $uname, $uhome); - $uname=$ENV{'user.name'}; - $udom=$ENV{'user.domain'}; - $uhome=$ENV{'user.home'}; - my $listing = reply('portfoliomanage:'.$uname.':'.$udom.':'.$filename.':'.$fileaction.':'.$filenewname, $uhome); - return $listing; +sub save_selected_files { + my ($user, $path, @files) = @_; + my $filename = $user."savedfiles"; + my @other_files = &files_not_in_path($user, $path); + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + foreach my $file (@files) { + print (OUT $ENV{'form.currentpath'}.$file."\n"); + } + foreach my $file (@other_files) { + print (OUT $file."\n"); + } + close (OUT); + return 'ok'; +} + +sub clear_selected_files { + my ($user) = @_; + my $filename = $user."savedfiles"; + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + print (OUT undef); + close (OUT); + return ("ok"); +} + +sub files_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my %return_files; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while (my $line_in = ) { + chomp ($line_in); + my @paths_and_file = split (m!/!, $line_in); + my $file_part = pop (@paths_and_file); + my $path_part = join ('/', @paths_and_file); + $path_part.='/'; + my $path_and_file = $path_part.$file_part; + if ($path_part eq $path) { + $return_files{$file_part}= 'selected'; + } + } + close (IN); + return (\%return_files); +} + +# called in portfolio select mode, to show files selected NOT in current directory +sub files_not_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my @return_files; + my $path_part; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while () { + #ok, I know it's clunky, but I want it to work + my @paths_and_file = split m!/!, $_; + my $file_part = pop (@paths_and_file); + chomp ($file_part); + my $path_part = join ('/', @paths_and_file); + $path_part .= '/'; + my $path_and_file = $path_part.$file_part; + if ($path_part ne $path) { + push (@return_files, ($path_and_file)); + } + } + close (OUT); + return (@return_files); +} + +#--------------------------------------------------------------Get Marked as Read Only + +sub get_marked_as_readonly { + my ($domain,$user,$what) = @_; + my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user); + my @readonly_files; + while (my ($file_name,$value) = each(%current_permissions)) { + if (ref($value) eq "ARRAY"){ + foreach my $stored_what (@{$value}) { + if ($stored_what eq $what) { + push(@readonly_files, $file_name); + } elsif (!defined($what)) { + push(@readonly_files, $file_name); + } + } + } + } + return @readonly_files; +} +#-----------------------------------------------------------Get Marked as Read Only Hash + +sub get_marked_as_readonly_hash { + my ($domain,$user,$what) = @_; + my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user); + my %readonly_files; + while (my ($file_name,$value) = each(%current_permissions)) { + 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'; + } + } + } + } + return %readonly_files; } +# ------------------------------------------------------------ Unmark as Read Only +sub unmark_as_readonly { + # unmarks all files locked by $what + # for portfolio submissions, $what contains $crsid and $symb + my ($domain,$user,$what) = @_; + my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user); + my @readonly_files = &Apache::lonnet::get_marked_as_readonly($domain,$user,$what); + foreach my $file(@readonly_files){ + my $current_locks = $current_permissions{$file}; + my @new_locks; + my @del_keys; + if (ref($current_locks) eq "ARRAY"){ + foreach my $locker (@{$current_locks}) { + unless ($locker eq $what) { + push(@new_locks, $what); + } + } + if (@new_locks > 0) { + $current_permissions{$file} = \@new_locks; + } else { + push(@del_keys, $file); + &Apache::lonnet::del('file_permissions',\@del_keys, $domain, $user); + delete $current_permissions{$file}; + } + } + } + &Apache::lonnet::put('file_permissions',\%current_permissions,$domain,$user); + return; +} # ------------------------------------------------------------ Directory lister @@ -3823,6 +4074,9 @@ sub GetFileTimestamp { sub directcondval { my $number=shift; + if (!defined($ENV{'user.state.'.$ENV{'request.course.id'}})) { + &Apache::lonuserstate::evalstate(); + } if ($ENV{'user.state.'.$ENV{'request.course.id'}}) { return substr($ENV{'user.state.'.$ENV{'request.course.id'}},$number,1); } else { @@ -4048,11 +4302,14 @@ sub EXT { my $section; if (defined($courseid) && $courseid eq $ENV{'request.course.id'}) { + if (!$symbparm) { $symbparm=&symbread(); } + } + if ($symbparm && defined($courseid) && + $courseid eq $ENV{'request.course.id'}) { #print '
'.$space.' - '.$qualifier.' - '.$spacequalifierrest; # ----------------------------------------------------- Cascading lookup scheme - if (!$symbparm) { $symbparm=&symbread(); } my $symbp=$symbparm; my $mapp=(&decode_symb($symbp))[0]; @@ -4063,11 +4320,11 @@ sub EXT { ($ENV{'user.domain'} eq $udom)) { $section=$ENV{'request.course.sec'}; } else { - if (! defined($usection)) { - $section=&usection($udom,$uname,$courseid); - } else { - $section = $usection; - } + if (! defined($usection)) { + $section=&getsection($udom,$uname,$courseid); + } else { + $section = $usection; + } } my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest; @@ -4105,7 +4362,7 @@ sub EXT { $uname." at ".$udom.": ". $tmp.""); } elsif ($tmp=~/error: 2 /) { - &EXT_cache_set($udom,$uname); + &EXT_cache_set($udom,$uname); } elsif ($tmp =~ /^(con_lost|no_such_host)/) { return $tmp; } @@ -4115,10 +4372,10 @@ sub EXT { # -------------------------------------------------------- second, check course my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'}, - $ENV{'course.'.$courseid.'.domain'}, - ($seclevelr,$seclevelm,$seclevel, - $courselevelr,$courselevelm, - $courselevel)); + $ENV{'course.'.$courseid.'.domain'}, + ($seclevelr,$seclevelm,$seclevel, + $courselevelr,$courselevelm, + $courselevel)); if (defined($coursereply)) { return $coursereply; } # ------------------------------------------------------ third, check map parms @@ -4189,6 +4446,7 @@ sub packages_tab_default { if (defined($packagetab{"$pack_type&$name&default"})) { return $packagetab{"$pack_type&$name&default"}; } + if ($pack_type eq 'part') { $pack_part='0'; } if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) { return $packagetab{$pack_type."_".$pack_part."&$name&default"}; } @@ -4253,7 +4511,9 @@ sub metadata { unless ($filename=~/\.meta$/) { $filename.='.meta'; } my $metastring; if ($uri !~ m|^uploaded/|) { - $metastring=&getfile(&filelocation('',&clutter($filename))); + my $file=&filelocation('',&clutter($filename)); + push(@{$metacache{$uri.'.file'}},$file); + $metastring=&getfile($file); } my $parser=HTML::LCParser->new(\$metastring); my $token; @@ -4466,27 +4726,29 @@ sub metadata_generate_part0 { sub gettitle { my $urlsymb=shift; my $symb=&symbread($urlsymb); - unless ($symb) { - unless ($urlsymb) { $urlsymb=$ENV{'request.filename'}; } - return &metadata($urlsymb,'title'); - } - my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600); - if (defined($cached)) { return $result; } - my ($map,$resid,$url)=&decode_symb($symb); - my $title=''; - my %bighash; - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', - &GDBM_READER(),0640)) { - my $mapid=$bighash{'map_pc_'.&clutter($map)}; - $title=$bighash{'title_'.$mapid.'.'.$resid}; - untie %bighash; - } - $title=~s/\&colon\;/\:/gs; - if ($title) { - return &do_cache(\%titlecache,$symb,$title,'title'); - } else { - return &metadata($urlsymb,'title'); - } + if ($symb) { + my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600); + if (defined($cached)) { + return $result; + } + my ($map,$resid,$url)=&decode_symb($symb); + my $title=''; + my %bighash; + if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + my $mapid=$bighash{'map_pc_'.&clutter($map)}; + $title=$bighash{'title_'.$mapid.'.'.$resid}; + untie %bighash; + } + $title=~s/\&colon\;/\:/gs; + if ($title) { + return &do_cache(\%titlecache,$symb,$title,'title'); + } + $urlsymb=$url; + } + my $title=&metadata($urlsymb,'title'); + if (!$title) { $title=(split('/',$urlsymb))[-1]; } + return $title; } # ------------------------------------------------- Update symbolic store links @@ -4544,8 +4806,11 @@ sub symbverify { if ( &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) eq $symb) { - $okay=1; - } + if (($ENV{'request.role.adv'}) || + $bighash{'encrypted_'.$_} eq $ENV{'request.enc'}) { + $okay=1; + } + } } } untie(%bighash); @@ -4557,7 +4822,7 @@ sub symbverify { sub symbclean { my $symb=shift; - + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } # remove version from map $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/; @@ -4578,7 +4843,9 @@ sub encode_symb { } sub decode_symb { - my ($map,$resid,$url)=split(/\_\_\_/,shift); + my $symb=shift; + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } + my ($map,$resid,$url)=split(/___/,$symb); return (&fixversion($map),$resid,&fixversion($url)); } @@ -4618,14 +4885,21 @@ sub deversion { sub symbread { my ($thisfn,$donotrecurse)=@_; + my $cache_str='request.symbread.cached.'.$thisfn; + if (defined($ENV{$cache_str})) { return $ENV{$cache_str}; } # no filename provided? try from environment unless ($thisfn) { - if ($ENV{'request.symb'}) { return &symbclean($ENV{'request.symb'}); } + if ($ENV{'request.symb'}) { + return $ENV{$cache_str}=&symbclean($ENV{'request.symb'}); + } $thisfn=$ENV{'request.filename'}; } + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } # is that filename actually a symb? Verify, clean, and return if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) { - if (&symbverify($thisfn,$1)) { return &symbclean($thisfn); } + if (&symbverify($thisfn,$1)) { + return $ENV{$cache_str}=&symbclean($thisfn); + } } $thisfn=declutter($thisfn); my %hash; @@ -4646,7 +4920,7 @@ sub symbread { unless ($syval=~/\_\d+$/) { unless ($ENV{'form.request.prefix'}=~/\.(\d+)\_$/) { &appenv('request.ambiguous' => $thisfn); - return ''; + return $ENV{$cache_str}=''; } $syval.=$1; } @@ -4693,11 +4967,11 @@ sub symbread { } } if ($syval) { - return &symbclean($syval.'___'.$thisfn); + return $ENV{$cache_str}=&symbclean($syval.'___'.$thisfn); } } &appenv('request.ambiguous' => $thisfn); - return ''; + return $ENV{$cache_str}=''; } # ---------------------------------------------------------- Return random seed @@ -4711,6 +4985,7 @@ sub numval { $txt=~tr/U-Z/0-5/; $txt=~tr/u-z/0-5/; $txt=~s/\D//g; + if ($_64bit) { if ($txt > 2**32) { return -1; } } return int($txt); } @@ -4726,11 +5001,29 @@ sub numval2 { my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); my $total; foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { if ($total > 2**32) { return -1; } } return int($total); } +sub numval3 { + use integer; + my $txt=shift; + $txt=~tr/A-J/0-9/; + $txt=~tr/a-j/0-9/; + $txt=~tr/K-T/0-9/; + $txt=~tr/k-t/0-9/; + $txt=~tr/U-Z/0-5/; + $txt=~tr/u-z/0-5/; + $txt=~s/\D//g; + my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); + my $total; + foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { $total=(($total<<32)>>32); } + return $total; +} + sub latest_rnd_algorithm_id { - return '64bit3'; + return '64bit4'; } sub get_rand_alg { @@ -4742,10 +5035,16 @@ sub get_rand_alg { return &latest_rnd_algorithm_id(); } +sub validCODE { + my ($CODE)=@_; + if (defined($CODE) && $CODE ne '' && $CODE =~ /^\w+$/) { return 1; } + return 0; +} + sub getCODE { - if (defined($ENV{'form.CODE'})) { return $ENV{'form.CODE'}; } + if (&validCODE($ENV{'form.CODE'})) { return $ENV{'form.CODE'}; } if (defined($Apache::lonhomework::parsing_a_problem) && - defined($Apache::lonhomework::history{'resource.CODE'})) { + &validCODE($Apache::lonhomework::history{'resource.CODE'})) { return $Apache::lonhomework::history{'resource.CODE'}; } return undef; @@ -4763,7 +5062,13 @@ sub rndseed { if (!$username) { $username=$wusername } my $which=&get_rand_alg(); if (defined(&getCODE())) { - return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + if ($which eq '64bit4') { + return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username); + } else { + return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + } + } elsif ($which eq '64bit4') { + return &rndseed_64bit4($symb,$courseid,$domain,$username); } elsif ($which eq '64bit3') { return &rndseed_64bit3($symb,$courseid,$domain,$username); } elsif ($which eq '64bit2') { @@ -4787,6 +5092,7 @@ sub rndseed_32bit { my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck; #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); #&Apache::lonxml::debug("rndseed :$num:$symb"); + if ($_64bit) { $num=(($num<<32)>>32); } return $num; } } @@ -4807,6 +5113,8 @@ sub rndseed_64bit { my $num2=$nameseed+$domainseed+$courseseed; #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); #&Apache::lonxml::debug("rndseed :$num:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } return "$num1,$num2"; } } @@ -4850,7 +5158,33 @@ sub rndseed_64bit3 { my $num1=$symbchck+$symbseed+$namechck; my $num2=$nameseed+$domainseed+$courseseed; #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num:$symb"); + #&Apache::lonxml::debug("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + + return "$num1:$num2"; + } +} + +sub rndseed_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval3($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval3($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&Apache::lonxml::debug("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + return "$num1:$num2"; } } @@ -4868,6 +5202,27 @@ sub rndseed_CODE_64bit { my $num2=$CODEseed+$courseseed+$symbchck; #&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } + return "$num1:$num2"; + } +} + +sub rndseed_CODE_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + my $symbchck=unpack("%32S*",$symb.' ') << 16; + my $symbseed=numval3($symb); + my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; + my $CODEseed=numval3(&getCODE()); + my $courseseed=unpack("%32S*",$courseid.' '); + my $num1=$symbseed+$CODEchck; + my $num2=$CODEseed+$courseseed+$symbchck; + #&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); + #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } return "$num1:$num2"; } } @@ -4958,30 +5313,32 @@ sub receipt { # the local server. sub getfile { - my ($file,$caller) = @_; + my ($file) = @_; - if ($file !~ m|^/*uploaded/(\w+)/(\w+)/(.+)$|) { - # normal file from res space - &repcopy($file); - return &readfile($file); - } - - my $info; - my $cdom = $1; - my $cnum = $2; - my $filename = $3; - my $path = $Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles'; - my ($lwpresp,$rtncode); - my $localfile = $path.'/'.$cdom.'/'.$cnum.'/'.$filename; - if (-e "$localfile") { - my @fileinfo = stat($localfile); - $lwpresp = &getuploaded('HEAD',$file,$cdom,$cnum,\$info,\$rtncode); + if ($file =~ m|^/*uploaded/|) { $file=&filelocation("",$file); } + &repcopy($file); + return &readfile($file); +} + +sub repcopy_userfile { + my ($file)=@_; + + if ($file =~ m|^/*uploaded/|) { $file=&filelocation("",$file); } + if ($file =~ m|^/home/httpd/html/lonUsers/|) { return OK; } + + my ($cdom,$cnum,$filename) = + ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+([^/]+)/+([^/]+)/+(.*)|); + my ($info,$rtncode); + my $uri="/uploaded/$cdom/$cnum/$filename"; + if (-e "$file") { + my @fileinfo = stat($file); + my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode); if ($lwpresp ne 'ok') { if ($rtncode eq '404') { - unlink($localfile); + unlink($file); } #my $ua=new LWP::UserAgent; - #my $request=new HTTP::Request('GET',&tokenwrapper($file)); + #my $request=new HTTP::Request('GET',&tokenwrapper($uri)); #my $response=$ua->request($request); #if ($response->is_success()) { # return $response->content; @@ -4991,21 +5348,21 @@ sub getfile { return -1; } if ($info < $fileinfo[9]) { - return &readfile($localfile); + return OK; } $info = ''; - $lwpresp = &getuploaded('GET',$file,$cdom,$cnum,\$info,\$rtncode); + $lwpresp = &getuploaded('GET',$uri,$cdom,$cnum,\$info,\$rtncode); if ($lwpresp ne 'ok') { return -1; } } else { - $lwpresp = &getuploaded('GET',$file,$cdom,$cnum,\$info,\$rtncode); + my $lwpresp = &getuploaded('GET',$uri,$cdom,$cnum,\$info,\$rtncode); if ($lwpresp ne 'ok') { my $ua=new LWP::UserAgent; - my $request=new HTTP::Request('GET',&tokenwrapper($file)); + my $request=new HTTP::Request('GET',&tokenwrapper($uri)); my $response=$ua->request($request); if ($response->is_success()) { - return $response->content; + $info=$response->content; } else { return -1; } @@ -5014,6 +5371,7 @@ sub getfile { if ($filename =~ m|^(.+)/[^/]+$|) { push @parts, split(/\//,$1); } + my $path = $perlvar{'lonDocRoot'}.'/userfiles'; foreach my $part (@parts) { $path .= '/'.$part; if (!-e $path) { @@ -5021,24 +5379,23 @@ sub getfile { } } } - open (FILE,">$localfile"); + open(FILE,">$file"); print FILE $info; close(FILE); - if ($caller eq 'uploadrep') { - return 'ok'; - } - return $info; + return OK; } sub tokenwrapper { my $uri=shift; - $uri=~s/^http\:\/\/([^\/]+)//; - $uri=~s/^\///; + $uri=~s|^http\://([^/]+)||; + $uri=~s|^/||; $ENV{'user.environment'}=~/\/([^\/]+)\.id/; my $token=$1; - if ($uri=~/^uploaded\/([^\/]+)\/([^\/]+)\/([^\/]+)(\?\.*)*$/) { - &appenv('userfile.'.$1.'/'.$2.'/'.$3 => $ENV{'request.course.id'}); - return 'http://'.$hostname{ &homeserver($2,$1)}.'/'.$uri. + my (undef,$udom,$uname,$file)=split('/',$uri,4); + if ($udom && $uname && $file) { + $file=~s|(\?\.*)*$||; + &appenv("userfile.$udom/$uname/$file" => $ENV{'request.course.id'}); + return 'http://'.$hostname{ &homeserver($uname,$udom)}.'/'.$uri. (($uri=~/\?/)?'&':'?').'token='.$token. '&tokenissued='.$perlvar{'lonHostID'}; } else { @@ -5083,20 +5440,18 @@ sub filelocation { $location = $file; $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; } elsif ($file=~/^\/*uploaded/) { # is an uploaded file - if ($file=~/^\/uploaded\/([^\/]+)\/([^\/]+)\/(\/)?simplepage\/([^\/]+)$/) { - $location=&Apache::loncommon::propath($1,$2).'/userfiles/simplepage/'.$4; - if (not -e $location) { - $file=~/^\/uploaded\/(.*)$/; - $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.$1; - } - } elsif ($file=~/^\/uploaded\/([^\/]+)\/([^\/]+)\/aboutme\/([^\/]+)$/) { - $location=&Apache::loncommon::propath($1,$2).'/userfiles/aboutme/'.$3; - if (not -e $location) { - $file=~/^\/uploaded\/(.*)$/; - $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.$1; - } + my ($udom,$uname,$filename)= + ($file=~m|^/+uploaded/+([^/]+)/+([^/]+)/+(.*)$|); + my $home=&homeserver($uname,$udom); + my $is_me=0; + my @ids=¤t_machine_ids(); + foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } } + if ($is_me) { + $location=&Apache::loncommon::propath($udom,$uname). + '/userfiles/'.$filename; } else { - $location=$file; + $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. + $udom.'/'.$uname.'/'.$filename; } } else { $file=~s/^\Q$perlvar{'lonDocRoot'}\E//; @@ -5156,6 +5511,7 @@ sub current_machine_ids { sub declutter { my $thisfn=shift; + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; $thisfn=~s/^\///; $thisfn=~s/^res\///; @@ -5173,6 +5529,15 @@ sub clutter { return $thisfn; } +sub freeze_escape { + my ($value)=@_; + if (ref($value)) { + $value=&nfreeze($value); + return '__FROZEN__'.&escape($value); + } + return &escape($value); +} + # -------------------------------------------------------- Escape Special Chars sub escape { @@ -5189,11 +5554,21 @@ sub unescape { return $str; } +sub thaw_unescape { + my ($value)=@_; + if ($value =~ /^__FROZEN__/) { + substr($value,0,10,undef); + $value=&unescape($value); + return &thaw($value); + } + return &unescape($value); +} + sub mod_perl_version { + return 1; if (defined($perlvar{'MODPERL2'})) { return 2; } - return 1; } sub correct_line_ends { @@ -5214,7 +5589,7 @@ sub goodbye { &logthis(sprintf("%-20s is %s",'%courseresdatacache',scalar(%courseresdatacache))); #1.1 only &logthis(sprintf("%-20s is %s",'%userresdatacache',scalar(%userresdatacache))); - &logthis(sprintf("%-20s is %s",'%usectioncache',scalar(%usectioncache))); + &logthis(sprintf("%-20s is %s",'%getsectioncache',scalar(%getsectioncache))); &logthis(sprintf("%-20s is %s",'%courseresversioncache',scalar(%courseresversioncache))); &logthis(sprintf("%-20s is %s",'%resversioncache',scalar(%resversioncache))); &flushcourselogs(); @@ -5226,6 +5601,7 @@ BEGIN { # ----------------------------------- Read loncapa.conf and loncapa_apache.conf unless ($readit) { { + # FIXME: Use LONCAPA::Configuration::read_conf here and omit next block open(my $config,") { @@ -5293,10 +5669,6 @@ BEGIN { $hostip{$id}=$ip; $iphost{$ip}=$id; if ($role eq 'library') { $libserv{$id}=$name; } - } else { - if ($configline) { - &logthis("Skipping hosts.tab line -$configline-"); - } } } close($config); @@ -5373,6 +5745,12 @@ $dumpcount=0; &logtouch(); &logthis('INFO: Read configuration'); $readit=1; + { + use integer; + my $test=(2**32)+1; + if ($test != 0) { $_64bit=1; } else { $_64bit=0; } + &logthis(" Detected 64bit platform ($_64bit)"); + } } } @@ -5600,8 +5978,8 @@ X B: get user privileges =item * -X -B: finds the section of student in the +X +B: finds the section of student in the course $cname, return section name/number or '' for "not in course" and '-1' for "no section" @@ -5859,9 +6237,10 @@ returns the data handle =item * symbverify($symb,$thisfn) : verifies that $symb actually exists and is -a possible symb for the URL in $thisfn, returns a 1 on success, 0 on -failure, user must be in a course, as it assumes the existance of the -course initi hash, and uses $ENV('request.course.id'} +a possible symb for the URL in $thisfn, and if is an encryypted +resource that the user accessed using /enc/ returns a 1 on success, 0 +on failure, user must be in a course, as it assumes the existance of +the course initial hash, and uses $ENV('request.course.id'} =item *