--- loncom/lonnet/perl/lonnet.pm 2004/06/18 20:35:18 1.512 +++ loncom/lonnet/perl/lonnet.pm 2004/11/08 19:19:12 1.564 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.512 2004/06/18 20:35:18 banghart Exp $ +# $Id: lonnet.pm,v 1.564 2004/11/08 19:19:12 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 %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 %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 $answer; } @@ -434,7 +460,7 @@ sub overloaderror { if ($overload>0) { $r->err_headers_out->{'Retry-After'}=$overload; $r->log_error('Overload of '.$overload.' on '.$checkserver); - return 409; + return 413; } return ''; } @@ -771,6 +797,11 @@ sub getsection { my ($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 $result; } + my %Pending; my %Expired; # @@ -795,29 +826,29 @@ sub getsection { if ($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 +857,12 @@ my $disk_caching_disabled=1; sub devalidate_cache { my ($cache,$id,$name) = @_; delete $$cache{$id.'.time'}; + delete $$cache{$id.'.file'}; delete $$cache{$id}; - if ($disk_caching_disabled) { return; } + if (1 || $disk_caching_disabled) { return; } my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; - open(DB,"$filename.lock"); + if (!-e $filename) { return; } + open(DB,">$filename.lock"); flock(DB,LOCK_EX); my %hash; if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { @@ -856,16 +889,32 @@ sub is_cached { my ($cache,$id,$name,$time) = @_; if (!$time) { $time=300; } if (!exists($$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 ($$cache{$id},1); @@ -881,44 +930,69 @@ sub do_cache { $$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 +1009,17 @@ 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 +1039,6 @@ 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 { @@ -1047,6 +1097,7 @@ sub currentversion { sub subscribe { my $fname=shift; if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; } + $fname=~s/[\n\r]//g; my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; my ($udom,$uname)=split(/\//,$author); @@ -1066,7 +1117,13 @@ 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; } my $remoteurl=subscribe($filename); @@ -1131,10 +1188,10 @@ sub ssi_body { my ($filelink,%form)=@_; my $output=($filelink=~/^http\:/?&externalssi($filelink): &ssi($filelink,%form)); - $output=~s/^.*?\]*\>//si; - $output=~s/(.*)\<\/body\s*\>.*?$/$1/si; $output=~ s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; + $output=~s/^.*?\]*\>//si; + $output=~s/(.*)\<\/body\s*\>.*?$/$1/si; return $output; } @@ -1267,10 +1324,8 @@ sub process_coursefile { # input: name of form element, coursedoc=1 means this is for the course # output: url of file in userspace -sub userfileupload { - my ($formname,$coursedoc,$subdir)=@_; - if (!defined($subdir)) { $subdir='unknown'; } - my $fname=$ENV{'form.'.$formname.'.filename'}; +sub clean_filename { + my ($fname)=@_; # Replace Windows backslashes by forward slashes $fname=~s/\\/\//g; # Get rid of everything but the actual filename @@ -1279,9 +1334,36 @@ sub userfileupload { $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 $fname; +} + +sub userfileupload { + my ($formname,$coursedoc,$subdir)=@_; + if (!defined($subdir)) { $subdir='unknown'; } + my $fname=$ENV{'form.'.$formname.'.filename'}; + $fname=&clean_filename($fname); # See if there is anything left unless ($fname) { return 'error: no uploaded file'; } chop($ENV{'form.'.$formname}); + if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { #files uploaded to help request form are handled differently + my $now = time; + my $filepath = 'tmp/helprequests/'.$now; + my @parts=split(/\//,$filepath); + my $fullpath = $perlvar{'lonDaemons'}; + for (my $i=0;$i<@parts;$i++) { + $fullpath .= '/'.$parts[$i]; + if ((-e $fullpath)!=1) { + mkdir($fullpath,0777); + } + } + open(my $fh,'>'.$fullpath.'/'.$fname); + print $fh $ENV{'form.'.$formname}; + close($fh); + return $fullpath.'/'.$fname; + } # Create the directory if not present my $docuname=''; my $docudom=''; @@ -1356,6 +1438,19 @@ sub removeuserfile { return &reply("removeuserfile:$docudom/$docuname/$fname",$home); } +sub mkdiruserfile { + my ($docuname,$docudom,$dir)=@_; + my $home=&homeserver($docuname,$docudom); + return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home); +} + +sub renameuserfile { + my ($docuname,$docudom,$old,$new)=@_; + my $home=&homeserver($docuname,$docudom); + return &reply("renameuserfile:$docudom:$docuname:".&escape("$old").':'. + &escape("$new"),$home); +} + # ------------------------------------------------------------------------- Log sub log { @@ -1395,10 +1490,12 @@ sub flushcourselogs { } if ($courseidbuffer{$coursehombuf{$crsid}}) { $courseidbuffer{$coursehombuf{$crsid}}.='&'. - &escape($crsid).'='.&escape($coursedescrbuf{$crsid}); + &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). + '='.&escape($courseinstcodebuf{$crsid}); } else { $courseidbuffer{$coursehombuf{$crsid}}= - &escape($crsid).'='.&escape($coursedescrbuf{$crsid}); + &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). + '='.&escape($courseinstcodebuf{$crsid}); } } # @@ -1472,6 +1569,8 @@ sub courselog { $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; $coursedescrbuf{$ENV{'request.course.id'}}= $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; + $courseinstcodebuf{$ENV{'request.course.id'}}= + $ENV{'course.'.$ENV{'request.course.id'}.'.internal.coursecode'}; if (defined $courselogs{$ENV{'request.course.id'}}) { $courselogs{$ENV{'request.course.id'}}.='&'.$what; } else { @@ -1596,7 +1695,7 @@ sub getannounce { if ($announcement=~/\w/) { return ''. - '
'.$announcement.'
'; + ''.$announcement.''; } else { return ''; } @@ -1627,7 +1726,7 @@ sub courseiddump { $tryserver))) { my ($key,$value)=split(/\=/,$_); if (($key) && ($value)) { - $returnhash{&unescape($key)}=&unescape($value); + $returnhash{&unescape($key)}=$value; } } } @@ -1773,6 +1872,7 @@ 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', @@ -1787,6 +1887,7 @@ sub devalidate { $uname.' at '.$udom.' for '. $symb.': '.$status); } + &delenv('user.state.'.$cid); } } @@ -2368,7 +2469,6 @@ sub rolesinit { my $author=0; foreach (keys %allroles) { %thesepriv=(); - if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } foreach (split(/:/,$allroles{$_})) { if ($_ ne '') { @@ -2380,6 +2480,7 @@ sub rolesinit { $thesepriv{$privilege}.=$restrictions; } } + if ($thesepriv{'adv'} eq 'F') { $adv=1; } } } $thesestr=''; @@ -2414,7 +2515,7 @@ sub get { my %returnhash=(); my $i=0; foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + $returnhash{$_}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; @@ -2453,7 +2554,7 @@ sub dump { my %returnhash=(); foreach (@pairs) { my ($key,$value)=split(/=/,$_); - $returnhash{unescape($key)}=unescape($value); + $returnhash{unescape($key)}=&thaw_unescape($value); } return %returnhash; } @@ -2499,7 +2600,7 @@ sub currentdump { my ($key,$value)=split(/=/,$_); my ($symb,$param) = split(/:/,$key); $returnhash{&unescape($symb)}->{&unescape($param)} = - &unescape($value); + &thaw_unescape($value); } } return %returnhash; @@ -2565,7 +2666,31 @@ 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",$uhome); +} + +# ---------------------------------------------------------- putstore interface + +sub putstore { + my ($namespace,$storehash,$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.':'; + } + $items.=$_.'='.&escape($$storehash{$_}).'&'; + } + foreach (keys %allitems) { + $allitems{$_} =~ s/\:$//; + $items.= $_.'='.$allitems{$_}.'&'; } $items=~s/\&$//; return &reply("put:$udomain:$uname:$namespace:$items",$uhome); @@ -2580,7 +2705,7 @@ sub cput { my $uhome=&homeserver($uname,$udomain); my $items=''; foreach (keys %$storehash) { - $items.=escape($_).'='.escape($$storehash{$_}).'&'; + $items.=escape($_).'='.&freeze_escape($$storehash{$_}).'&'; } $items=~s/\&$//; return &critical("put:$udomain:$uname:$namespace:$items",$uhome); @@ -2603,7 +2728,7 @@ sub eget { my %returnhash=(); my $i=0; foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + $returnhash{$_}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; @@ -2650,14 +2775,23 @@ sub allowed { $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=~/\.meta$/)) && ($priv eq 'bre')) { + if (((($uri=~/^adm\//) && ($uri !~ m|/bulletinboard$|)) + || ($uri=~/\.meta$/)) && ($priv eq 'bre')) { 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') { @@ -3059,8 +3193,10 @@ 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); } @@ -3073,11 +3209,26 @@ sub fetch_enrollment_query { $cmd = &escape($cmd); my $query = 'fetchenrollment'; my $queryid=&reply("querysend:".$query.':'.$dom.':'.$ENV{'user.name'}.':'.$cmd,$homeserver); - unless ($queryid=~/^\Q$host\E\_/) { return 'error: '.$queryid; } + unless ($queryid=~/^\Q$host\E\_/) { + &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum); + return 'error: '.$queryid; + } my $reply = &get_query_reply($queryid); - unless ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { - unless ($homeserver eq $perlvar{'lonHostID'}) { - my @responses = split/:/,$reply; + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } + if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { + &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$ENV{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); + } else { + my @responses = split/:/,$reply; + if ($homeserver eq $perlvar{'lonHostID'}) { + foreach (@responses) { + my ($key,$value) = split/=/,$_; + $$replyref{$key} = $value; + } + } else { my $pathname = $perlvar{'lonDaemons'}.'/tmp'; foreach (@responses) { my ($key,$value) = split/=/,$_; @@ -3087,10 +3238,14 @@ sub fetch_enrollment_query { my $filename = $dom.'_'.$key.'_'.$_.'_classlist.xml'; my $destname = $pathname.'/'.$filename; my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver); - unless ($xml_classlist =~ /^error/) { + if ($xml_classlist =~ /^error/) { + &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum); + } else { if ( open(FILE,">$destname") ) { print FILE &unescape($xml_classlist); close(FILE); + } else { + &logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum); } } } @@ -3169,7 +3324,7 @@ sub auto_get_sections { sub auto_new_course { my ($cnum,$cdom,$inst_course_id,$owner) = @_; my $homeserver = &homeserver($cnum,$cdom); - my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.$owner,':'.$cdom,$homeserver)); + my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.$owner.':'.$cdom,$homeserver)); return $response; } @@ -3194,6 +3349,32 @@ sub auto_create_password { return ($authparam,$create_passwd,$authchk); } +sub auto_instcode_format { + my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles,$cat_order) = @_; + my $courses = ''; + my $homeserver; + if ($caller eq 'global') { + $homeserver = $perlvar{'lonHostID'}; + } else { + $homeserver = &homeserver($caller,$codedom); + } + my $host=$hostname{$homeserver}; + foreach (keys %{$instcodes}) { + $courses .= &escape($_).'='.&escape($$instcodes{$_}).'&'; + } + chop($courses); + my $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$homeserver); + unless ($response =~ /(con_lost|error|no_such_host|refused)/) { + my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) = split/:/,$response; + %{$codes} = &str2hash($codes_str); + @{$codetitles} = &str2array($codetitles_str); + %{$cat_titles} = &str2hash($cat_titles_str); + %{$cat_order} = &str2hash($cat_order_str); + return 'ok'; + } + return $response; +} + # ------------------------------------------------------------------ Plain Text sub plaintext { @@ -3384,7 +3565,7 @@ sub modifyuser { sub modifystudent { my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, - $end,$start,$forceid,$desiredhome,$email,$type,$cid)=@_; + $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid)=@_; if (!$cid) { unless ($cid=$ENV{'request.course.id'}) { return 'not_in_class'; @@ -3399,13 +3580,12 @@ sub modifystudent { # students environment $uid = undef if (!$forceid); $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last, - $gene,$usec,$end,$start,$type,$cid); + $gene,$usec,$end,$start,$type,$locktype,$cid); return $reply; } sub modify_student_enrollment { - my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type, - $cid) = @_; + my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,$locktype,$cid) = @_; my ($cdom,$cnum,$chome); if (!$cid) { unless ($cid=$ENV{'request.course.id'}) { @@ -3447,11 +3627,10 @@ 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,$type) }, + join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, $cdom,$cnum); unless (($reply eq 'ok') || ($reply eq 'delayed')) { return 'error: '.$reply; @@ -3465,6 +3644,25 @@ sub modify_student_enrollment { return &assignrole($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 $name; +} + # ------------------------------------------------- Write to course preferences sub writecoursepref { @@ -3487,7 +3685,7 @@ sub writecoursepref { # ---------------------------------------------------------- Make/modify course sub createcourse { - my ($udom,$description,$url,$course_server,$nonstandard)=@_; + my ($udom,$description,$url,$course_server,$nonstandard,$inst_code)=@_; $url=&declutter($url); my $cid=''; unless (&allowed('ccc',$udom)) { @@ -3520,9 +3718,9 @@ sub createcourse { return 'error: no such course'; } # ----------------------------------------------------------------- Course made -# log existance - &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description), - $uhome); +# log existence + &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description). + '='.&escape($inst_code),$uhome); &flushcourselogs(); # set toplevel url my $topurl=$url; @@ -3575,19 +3773,80 @@ sub revokecustomrole { $deleteflag); } - -# ------------------------------------------------------------ Portfolio Director Lister -sub portfoliolist { - # returns listing of contents of user's /userfiles/portfolio/ directory - # - my ($udom, $uname, $uhome); - $uname=$ENV{'user.name'}; - $udom=$ENV{'user.domain'}; - $uhome=$ENV{'user.home'}; - my $listing = reply('portls:'.$uname.':'.$udom, $uhome); - return ''.$listing.'
'; +# ------------------------------------------------------------ Disk usage +sub diskusage { + my ($udom,$uname,$directoryRoot)=@_; + $directoryRoot =~ s/\/$//; + my $listing=&reply('du:'.$directoryRoot,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,$user); + return; +} + +#--------------------------------------------------------------Get Marked as Read Only + +sub get_marked_as_readonly { + my ($domain,$user,$what) = @_; + my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user); + my @readonly_files; + while (my ($file_name,$value) = each(%current_permissions)) { + &logthis("found $file_name"); + if (ref($value) eq "ARRAY"){ + &logthis("found array"); + foreach my $stored_what (@{$value}) { + if ($stored_what eq $what) { + push(@readonly_files, $file_name); + &logthis("defined pushed $file_name"); + } elsif (!defined($what)) { + push(@readonly_files, $file_name); + &logthis("undef pushed $file_name"); + } + } + } + } + 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 @@ -3697,6 +3956,9 @@ 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 { @@ -3922,11 +4184,14 @@ 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]; @@ -3937,11 +4202,11 @@ 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; @@ -3979,7 +4244,7 @@ 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; } @@ -3989,10 +4254,10 @@ 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 $coursereply; } # ------------------------------------------------------ third, check map parms @@ -4092,7 +4357,9 @@ sub metadata { my ($uri,$what,$liburi,$prefix,$depthcount)=@_; $uri=&declutter($uri); # if it is a non metadata possible uri return quickly - if (($uri eq '') || (($uri =~ m|^/*adm/|) && ($uri !~ m|^adm/includes|)) || + if (($uri eq '') || + (($uri =~ m|^/*adm/|) && + ($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) || ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ /^~/) || ($uri =~ m|home/[^/]+/public_html/|)) { return undef; @@ -4125,7 +4392,9 @@ 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; @@ -4338,27 +4607,27 @@ 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 $title; } # ------------------------------------------------- Update symbolic store links @@ -4490,14 +4759,20 @@ sub deversion { sub symbread { my ($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'}; } # 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; @@ -4518,7 +4793,7 @@ sub symbread { unless ($syval=~/\_\d+$/) { unless ($ENV{'form.request.prefix'}=~/\.(\d+)\_$/) { &appenv('request.ambiguous' => $thisfn); - return ''; + return $ENV{$cache_str}=''; } $syval.=$1; } @@ -4565,11 +4840,11 @@ sub symbread { } } if ($syval) { - return &symbclean($syval.'___'.$thisfn); + return $ENV{$cache_str}=&symbclean($syval.'___'.$thisfn); } } &appenv('request.ambiguous' => $thisfn); - return ''; + return $ENV{$cache_str}=''; } # ---------------------------------------------------------- Return random seed @@ -4583,6 +4858,7 @@ 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); } @@ -4598,6 +4874,7 @@ 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($total); } @@ -4614,10 +4891,16 @@ sub get_rand_alg { return &latest_rnd_algorithm_id(); } +sub validCODE { + my ($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; @@ -4659,6 +4942,7 @@ 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; } } @@ -4679,6 +4963,8 @@ 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"; } } @@ -4722,7 +5008,9 @@ 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"; } } @@ -4740,6 +5028,8 @@ 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"; } } @@ -4830,47 +5120,65 @@ 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 $request=new HTTP::Request('GET',&tokenwrapper($uri)); + #my $response=$ua->request($request); + #if ($response->is_success()) { + # return $response->content; + # } else { + # return -1; + # } return -1; } if ($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') { - return -1; + my $ua=new LWP::UserAgent; + my $request=new HTTP::Request('GET',&tokenwrapper($uri)); + my $response=$ua->request($request); + if ($response->is_success()) { + $info=$response->content; + } else { + return -1; + } } my @parts = ($cdom,$cnum); if ($filename =~ m|^(.+)/[^/]+$|) { push @parts, split(/\//,$1); - } + } + my $path = $perlvar{'lonDocRoot'}.'/userfiles'; foreach my $part (@parts) { $path .= '/'.$part; if (!-e $path) { @@ -4878,13 +5186,28 @@ sub getfile { } } } - open (FILE,">$localfile"); + open(FILE,">$file"); print FILE $info; close(FILE); - if ($caller eq 'uploadrep') { - return 'ok'; + return OK; +} + +sub tokenwrapper { + my $uri=shift; + $uri=~s|^http\://([^/]+)||; + $uri=~s|^/||; + $ENV{'user.environment'}=~/\/([^\/]+)\.id/; + my $token=$1; + my (undef,$udom,$uname,$file)=split('/',$uri,4); + if ($udom && $uname && $file) { + $file=~s|(\?\.*)*$||; + &appenv("userfile.$udom/$uname/$file" => $ENV{'request.course.id'}); + return 'http://'.$hostname{ &homeserver($uname,$udom)}.'/'.$uri. + (($uri=~/\?/)?'&':'?').'token='.$token. + '&tokenissued='.$perlvar{'lonHostID'}; + } else { + return '/adm/notfound.html'; } - return $info; } sub getuploaded { @@ -4924,7 +5247,19 @@ sub filelocation { $location = $file; $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; } elsif ($file=~/^\/*uploaded/) { # is an uploaded file - $location=$file; + 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 { + $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. + $udom.'/'.$uname.'/'.$filename; + } } else { $file=~s/^\Q$perlvar{'lonDocRoot'}\E//; $file=~s:^/res/:/:; @@ -5000,6 +5335,15 @@ 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 { @@ -5016,6 +5360,16 @@ 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 { if (defined($perlvar{'MODPERL2'})) { return 2; @@ -5041,7 +5395,7 @@ 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(); @@ -5120,10 +5474,6 @@ 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); @@ -5200,6 +5550,12 @@ $dumpcount=0; &logtouch(); &logthis('INFO: Read configuration'); $readit=1; + { + use integer; + my $test=(2**32)+1; + if ($test != 0) { $_64bit=1; } + &logthis(" Detected 64bit platform ($_64bit)"); + } } } @@ -5427,8 +5783,8 @@ 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 $cname, return section name/number or '' for "not in course" and '-1' for "no section" @@ -5815,6 +6171,17 @@ put($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:$symb) is also generated and passed in the ampersand separated +items sent to lonnet::reply(). + +=item * + cput($namespace,$storehash,$udom,$uname) : critical put ($udom and $uname are optional)