--- loncom/lonnet/perl/lonnet.pm 2006/01/12 21:12:55 1.700
+++ loncom/lonnet/perl/lonnet.pm 2006/04/26 14:50:56 1.731
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.700 2006/01/12 21:12:55 albertel Exp $
+# $Id: lonnet.pm,v 1.731 2006/04/26 14:50:56 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -45,7 +45,6 @@ qw(%perlvar %hostname %badServerCache %i
use IO::Socket;
use GDBM_File;
-use Apache::Constants qw(:common :http);
use HTML::LCParser;
use HTML::Parser;
use Fcntl qw(:flock);
@@ -86,6 +85,29 @@ delayed.
# --------------------------------------------------------------------- Logging
+{
+ my $logid;
+ sub instructor_log {
+ my ($hash_name,$storehash,$delflag,$uname,$udom)=@_;
+ $logid++;
+ my $id=time().'00000'.$$.'00000'.$logid;
+ return &Apache::lonnet::put('nohist_'.$hash_name,
+ { $id => {
+ 'exe_uname' => $env{'user.name'},
+ 'exe_udom' => $env{'user.domain'},
+ 'exe_time' => time(),
+ 'exe_ip' => $ENV{'REMOTE_ADDR'},
+ 'delflag' => $delflag,
+ 'logentry' => $storehash,
+ 'uname' => $uname,
+ 'udom' => $udom,
+ }
+ },
+ $env{'course.'.$env{'request.course.id'}.'.domain'},
+ $env{'course.'.$env{'request.course.id'}.'.num'}
+ );
+ }
+}
sub logtouch {
my $execdir=$perlvar{'lonDaemons'};
@@ -124,7 +146,7 @@ sub logperm {
# -------------------------------------------------- Non-critical communication
sub subreply {
my ($cmd,$server)=@_;
- my $peerfile="$perlvar{'lonSockDir'}/$server";
+ my $peerfile="$perlvar{'lonSockDir'}/".$hostname{$server};
#
# With loncnew process trimming, there's a timing hole between lonc server
# process exit and the master server picking up the listen on the AF_UNIX
@@ -152,7 +174,7 @@ sub subreply {
}
my $answer;
if ($client) {
- print $client "$cmd\n";
+ print $client "sethost:$server:$cmd\n";
$answer=<$client>;
if (!$answer) { $answer="con_lost"; }
chomp($answer);
@@ -166,6 +188,7 @@ sub reply {
my ($cmd,$server)=@_;
unless (defined($hostname{$server})) { return 'no_such_host'; }
my $answer=subreply($cmd,$server);
+ &Apache::lonnet::logthis("$cmd");
if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
&logthis("<font color=\"blue\">WARNING:".
" $cmd to $server returned $answer</font>");
@@ -260,6 +283,13 @@ sub critical {
sub transfer_profile_to_env {
my ($lonidsdir,$handle)=@_;
+ if (!defined($lonidsdir)) {
+ $lonidsdir = $perlvar{'lonIDsDir'};
+ }
+ if (!defined($handle)) {
+ ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
+ }
+
my @profile;
{
open(my $idf,"$lonidsdir/$handle.id");
@@ -272,6 +302,8 @@ sub transfer_profile_to_env {
for ($envi=0;$envi<=$#profile;$envi++) {
chomp($profile[$envi]);
my ($envname,$envvalue)=split(/=/,$profile[$envi],2);
+ $envname=&unescape($envname);
+ $envvalue=&unescape($envvalue);
$env{$envname} = $envvalue;
if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) {
if ($time < time-300) {
@@ -324,6 +356,8 @@ sub appenv {
chomp($oldenv[$i]);
if ($oldenv[$i] ne '') {
my ($name,$value)=split(/=/,$oldenv[$i],2);
+ $name=&unescape($name);
+ $value=&unescape($value);
unless (defined($newenv{$name})) {
$newenv{$name}=$value;
}
@@ -336,7 +370,7 @@ sub appenv {
}
my $newname;
foreach $newname (keys %newenv) {
- print $fh "$newname=$newenv{$newname}\n";
+ print $fh &escape($newname).'='.&escape($newenv{$newname})."\n";
}
close($fh);
}
@@ -348,7 +382,6 @@ sub appenv {
sub delenv {
my $delthis=shift;
- my %newenv=();
if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) {
&logthis("<font color=\"blue\">WARNING: ".
"Attempt to delete from environment ".$delthis);
@@ -381,8 +414,10 @@ sub delenv {
return 'error: '.$!;
}
foreach my $cur_key (@oldenv) {
- if ($cur_key=~/^$delthis/) {
- my ($key,undef) = split('=',$cur_key,2);
+ my $unescaped_cur_key = &unescape($cur_key);
+ if ($unescaped_cur_key=~/^$delthis/) {
+ my ($key) = split('=',$cur_key,2);
+ $key = &unescape($key);
delete($env{$key});
} else {
print $fh $cur_key;
@@ -840,11 +875,9 @@ sub getsection {
}
sub save_cache {
- my ($r)=@_;
- if (! $r->is_initial_req()) { return DECLINED; }
&purge_remembered();
+ #&Apache::loncommon::validate_page();
undef(%env);
- return OK;
}
my $to_remember=-1;
@@ -947,25 +980,62 @@ sub userenvironment {
sub studentphoto {
my ($udom,$unam,$ext) = @_;
my $home=&Apache::lonnet::homeserver($unam,$udom);
- my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext",$home);
- my $url="/uploaded/$udom/$unam/internal/studentphoto.".$ext;
- if ($ret ne 'ok') {
- return '/adm/lonKaputt/lonlogo_broken.gif';
+ if (defined($env{'request.course.id'})) {
+ if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
+ if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) {
+ return(&retrievestudentphoto($udom,$unam,$ext));
+ } else {
+ my ($result,$perm_reqd)=
+ &Apache::lonnet::auto_photo_permission($unam,$udom);
+ if ($result eq 'ok') {
+ if (!($perm_reqd eq 'yes')) {
+ return(&retrievestudentphoto($udom,$unam,$ext));
+ }
+ }
+ }
+ }
+ } else {
+ my ($result,$perm_reqd) =
+ &Apache::lonnet::auto_photo_permission($unam,$udom);
+ if ($result eq 'ok') {
+ if (!($perm_reqd eq 'yes')) {
+ return(&retrievestudentphoto($udom,$unam,$ext));
+ }
+ }
+ }
+ return '/adm/lonKaputt/lonlogo_broken.gif';
+}
+
+sub retrievestudentphoto {
+ my ($udom,$unam,$ext,$type) = @_;
+ my $home=&Apache::lonnet::homeserver($unam,$udom);
+ my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home);
+ if ($ret eq 'ok') {
+ my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext";
+ if ($type eq 'thumbnail') {
+ $url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext";
+ }
+ my $tokenurl=&Apache::lonnet::tokenwrapper($url);
+ return $tokenurl;
+ } else {
+ if ($type eq 'thumbnail') {
+ return '/adm/lonKaputt/genericstudent_tn.gif';
+ } else {
+ return '/adm/lonKaputt/lonlogo_broken.gif';
+ }
}
- my $tokenurl=&Apache::lonnet::tokenwrapper($url);
- return $tokenurl;
}
# -------------------------------------------------------------------- New chat
sub chatsend {
- my ($newentry,$anon)=@_;
+ my ($newentry,$anon,$group)=@_;
my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
my $chome=$env{'course.'.$env{'request.course.id'}.'.home'};
&reply('chatsend:'.$cdom.':'.$cnum.':'.
&escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'.
- &escape($newentry)),$chome);
+ &escape($newentry)).':'.$group,$chome);
}
# ------------------------------------------ Find current version of a resource
@@ -1108,7 +1178,9 @@ sub ssi {
my $ua=new LWP::UserAgent;
my $request;
-
+
+ $form{'no_update_last_known'}=1;
+
if (%form) {
$request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn);
$request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
@@ -1281,7 +1353,7 @@ sub clean_filename {
# --------------- Take an uploaded file and put it into the userfiles directory
# input: $formname - the contents of the file are in $env{"form.$formname"}
-# the desired filenam is in $env{"form.$formname"}
+# the desired filenam is in $env{"form.$formname.filename"}
# $coursedoc - if true up to the current course
# if false
# $subdir - directory in userfile to store the file into
@@ -1292,7 +1364,7 @@ sub clean_filename {
sub userfileupload {
- my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase)=@_;
+ my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,$destudom)=@_;
if (!defined($subdir)) { $subdir='unknown'; }
my $fname=$env{'form.'.$formname.'.filename'};
$fname=&clean_filename($fname);
@@ -1315,6 +1387,7 @@ sub userfileupload {
close($fh);
return $fullpath.'/'.$fname;
}
+
# Create the directory if not present
$fname="$subdir/$fname";
if ($coursedoc) {
@@ -1330,9 +1403,19 @@ sub userfileupload {
$fname,$formname,$parser,
$allfiles,$codebase);
}
+ } elsif (defined($destuname)) {
+ my $docuname=$destuname;
+ my $docudom=$destudom;
+ return &finishuserfileupload($docuname,$docudom,$formname,
+ $fname,$parser,$allfiles,$codebase);
+
} else {
my $docuname=$env{'user.name'};
my $docudom=$env{'user.domain'};
+ if (exists($env{'form.group'})) {
+ $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
+ $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+ }
return &finishuserfileupload($docuname,$docudom,$formname,
$fname,$parser,$allfiles,$codebase);
}
@@ -1358,8 +1441,16 @@ sub finishuserfileupload {
}
# Save the file
{
- open(FH,'>'.$filepath.'/'.$file);
- print FH $env{'form.'.$formname};
+ if (!open(FH,'>'.$filepath.'/'.$file)) {
+ &logthis('Failed to create '.$filepath.'/'.$file);
+ print STDERR ('Failed to create '.$filepath.'/'.$file."\n");
+ return '/adm/notfound.html';
+ }
+ if (!print FH ($env{'form.'.$formname})) {
+ &logthis('Failed to write to '.$filepath.'/'.$file);
+ print STDERR ('Failed to write to '.$filepath.'/'.$file."\n");
+ return '/adm/notfound.html';
+ }
close(FH);
}
if ($parser eq 'parse') {
@@ -2510,7 +2601,7 @@ sub restore {
# ---------------------------------------------------------- Course Description
sub coursedescription {
- my $courseid=shift;
+ my ($courseid,$args)=@_;
$courseid=~s/^\///;
$courseid=~s/\_/\//g;
my ($cdomain,$cnum)=split(/\//,$courseid);
@@ -2520,7 +2611,27 @@ sub coursedescription {
# trying and trying and trying to get the course description.
my %envhash=();
my %returnhash=();
- $envhash{'course.'.$normalid.'.last_cache'}=time;
+
+ my $expiretime=600;
+ if ($env{'request.course.id'} eq $normalid) {
+ $expiretime=120;
+ }
+
+ my $prefix='course.'.$cdomain.'_'.$cnum.'.';
+ if (!$args->{'freshen_cache'}
+ && ((time-$env{$prefix.'last_cache'}) < $expiretime) ) {
+ foreach my $key (keys(%env)) {
+ next if ($key !~ /^\Q$prefix\E(.*)/);
+ my ($setting) = $1;
+ $returnhash{$setting} = $env{$key};
+ }
+ return %returnhash;
+ }
+
+ # get the data agin
+ if (!$args->{'one_time'}) {
+ $envhash{'course.'.$normalid.'.last_cache'}=time;
+ }
if ($chome ne 'no_host') {
%returnhash=&dump('environment',$cdomain,$cnum);
if (!exists($returnhash{'con_lost'})) {
@@ -2538,7 +2649,9 @@ sub coursedescription {
$envhash{'course.'.$normalid.'.num'}=$cnum;
}
}
- &appenv(%envhash);
+ if (!$args->{'one_time'}) {
+ &appenv(%envhash);
+ }
return %returnhash;
}
@@ -2785,7 +2898,7 @@ sub del {
# -------------------------------------------------------------- dump interface
sub dump {
- my ($namespace,$udomain,$uname,$regexp)=@_;
+ my ($namespace,$udomain,$uname,$regexp,$range)=@_;
if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);
@@ -2794,16 +2907,23 @@ sub dump {
} else {
$regexp='.';
}
- my $rep=reply("dump:$udomain:$uname:$namespace:$regexp",$uhome);
+ my $rep=reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
my @pairs=split(/\&/,$rep);
my %returnhash=();
foreach (@pairs) {
- my ($key,$value)=split(/=/,$_);
+ my ($key,$value)=split(/=/,$_,2);
$returnhash{unescape($key)}=&thaw_unescape($value);
}
return %returnhash;
}
+# --------------------------------------------------------- dumpstore interface
+
+sub dumpstore {
+ my ($namespace,$udomain,$uname,$regexp,$range)=@_;
+ return &dump($namespace,$udomain,$uname,$regexp,$range);
+}
+
# -------------------------------------------------------------- keys interface
sub getkeys {
@@ -2945,25 +3065,53 @@ sub newput {
# --------------------------------------------------------- putstore interface
sub putstore {
- my ($namespace,$storehash,$udomain,$uname)=@_;
+ my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);
my $items='';
- my %allitems = ();
- foreach (keys %$storehash) {
- if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
- my $key = $1.':keys:'.$2;
- $allitems{$key} .= $3.':';
- }
- $items.=$_.'='.&freeze_escape($$storehash{$_}).'&';
- }
- foreach (keys %allitems) {
- $allitems{$_} =~ s/\:$//;
- $items.= $_.'='.$allitems{$_}.'&';
+ foreach my $key (keys(%$storehash)) {
+ $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&';
}
$items=~s/\&$//;
- return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
+ my $esc_symb=&escape($symb);
+ my $esc_v=&escape($version);
+ my $reply =
+ &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items",
+ $uhome);
+ if ($reply eq 'unknown_cmd') {
+ # gfall back to way things use to be done
+ return &old_putstore($namespace,$symb,$version,$storehash,$udomain,
+ $uname);
+ }
+ return $reply;
+}
+
+sub old_putstore {
+ my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
+ if (!$udomain) { $udomain=$env{'user.domain'}; }
+ if (!$uname) { $uname=$env{'user.name'}; }
+ my $uhome=&homeserver($uname,$udomain);
+ my %newstorehash;
+ foreach (keys %$storehash) {
+ my $key = $version.':'.&escape($symb).':'.$_;
+ $newstorehash{$key} = $storehash->{$_};
+ }
+ my $items='';
+ my %allitems = ();
+ foreach (keys %newstorehash) {
+ if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
+ my $key = $1.':keys:'.$2;
+ $allitems{$key} .= $3.':';
+ }
+ $items.=$_.'='.&freeze_escape($newstorehash{$_}).'&';
+ }
+ foreach (keys %allitems) {
+ $allitems{$_} =~ s/\:$//;
+ $items.= $_.'='.$allitems{$_}.'&';
+ }
+ $items=~s/\&$//;
+ return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
}
# ------------------------------------------------------ critical put interface
@@ -2975,7 +3123,7 @@ sub cput {
my $uhome=&homeserver($uname,$udomain);
my $items='';
foreach (keys %$storehash) {
- $items.=escape($_).'='.&freeze_escape($$storehash{$_}).'&';
+ $items.=&escape($_).'='.&freeze_escape($$storehash{$_}).'&';
}
$items=~s/\&$//;
return &critical("put:$udomain:$uname:$namespace:$items",$uhome);
@@ -3073,6 +3221,7 @@ sub customaccess {
sub allowed {
my ($priv,$uri,$symb)=@_;
+ my $ver_orguri=$uri;
$uri=&deversion($uri);
my $orguri=$uri;
$uri=&declutter($uri);
@@ -3085,12 +3234,29 @@ sub allowed {
}
# Free bre access to user's own portfolio contents
- my ($space,$domain,$name,$dir)=split('/',$uri);
+ my ($space,$domain,$name,@dir)=split('/',$uri);
if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) &&
- ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir)) {
+ ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) {
return 'F';
}
+# bre access to group if user has rgf priv for this group and course.
+ if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups')
+ && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) {
+ if (exists($env{'request.course.id'})) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ if (($domain eq $cdom) && ($name eq $cnum)) {
+ my $courseprivid=$env{'request.course.id'};
+ $courseprivid=~s/\_/\//;
+ if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid
+ .'/'.$dir[1]} =~/rgf\&([^\:]*)/) {
+ return $1;
+ }
+ }
+ }
+ }
+
# Free bre to public access
if ($priv eq 'bre') {
@@ -3173,7 +3339,7 @@ sub allowed {
$thisallowed.=$1;
}
} else {
- my $refuri=$env{'httpref.'.$orguri};
+ my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri};
if ($refuri) {
if ($refuri =~ m|^/adm/|) {
$thisallowed='F';
@@ -3305,7 +3471,7 @@ sub allowed {
my ($cdom,$cnum,$csec)=split(/\//,$courseid);
my $prefix='course.'.$cdom.'_'.$cnum.'.';
if ((time-$env{$prefix.'last_cache'})>$expiretime) {
- &coursedescription($courseid);
+ &coursedescription($courseid,{'freshen_cache' => 1});
}
if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/)
|| ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) {
@@ -3404,16 +3570,17 @@ sub allowed {
return 'F';
}
+sub split_uri_for_cond {
+ my $uri=&deversion(&declutter(shift));
+ my @uriparts=split(/\//,$uri);
+ my $filename=pop(@uriparts);
+ my $pathname=join('/',@uriparts);
+ return ($pathname,$filename);
+}
# --------------------------------------------------- Is a resource on the map?
sub is_on_map {
- my $uri=&deversion(&declutter(shift));
- my @uriparts=split(/\//,$uri);
- my $filename=$uriparts[$#uriparts];
- my $pathname=$uri;
- $pathname=~s|/\Q$filename\E$||;
- $pathname=~s/^adm\/wrapper\///;
- $pathname=~s/^adm\/coursedocs\/showdoc\///;
+ my ($pathname,$filename) = &split_uri_for_cond(shift);
#Trying to find the conditional for the file
my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~
/\&\Q$filename\E\:([\d\|]+)\&/);
@@ -3686,6 +3853,82 @@ sub auto_create_password {
return ($authparam,$create_passwd,$authchk);
}
+sub auto_photo_permission {
+ my ($cnum,$cdom,$students) = @_;
+ my $homeserver = &homeserver($cnum,$cdom);
+ my ($outcome,$perm_reqd,$conditions) =
+ split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3);
+ if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
+ return (undef,undef);
+ }
+ return ($outcome,$perm_reqd,$conditions);
+}
+
+sub auto_checkphotos {
+ my ($uname,$udom,$pid) = @_;
+ my $homeserver = &homeserver($uname,$udom);
+ my ($result,$resulttype);
+ my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'.
+ &escape($uname).':'.&escape($pid),
+ $homeserver));
+ if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
+ return (undef,undef);
+ }
+ if ($outcome) {
+ ($result,$resulttype) = split(/:/,$outcome);
+ }
+ return ($result,$resulttype);
+}
+
+sub auto_photochoice {
+ my ($cnum,$cdom) = @_;
+ my $homeserver = &homeserver($cnum,$cdom);
+ my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'.
+ &escape($cdom),
+ $homeserver)));
+ if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
+ return (undef,undef);
+ }
+ return ($update,$comment);
+}
+
+sub auto_photoupdate {
+ my ($affiliatesref,$dom,$cnum,$photo) = @_;
+ my $homeserver = &homeserver($cnum,$dom);
+ my $host=$hostname{$homeserver};
+ my $cmd = '';
+ my $maxtries = 1;
+ foreach (keys %{$affiliatesref}) {
+ $cmd .= $_.'='.join(",",@{$$affiliatesref{$_}}).'%%';
+ }
+ $cmd =~ s/%%$//;
+ $cmd = &escape($cmd);
+ my $query = 'institutionalphotos';
+ my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver);
+ unless ($queryid=~/^\Q$host\E\_/) {
+ &logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum);
+ return 'error: '.$queryid;
+ }
+ my $reply = &get_query_reply($queryid);
+ my $tries = 1;
+ while (($reply=~/^timeout/) && ($tries < $maxtries)) {
+ $reply = &get_query_reply($queryid);
+ $tries ++;
+ }
+ if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
+ &logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
+ } else {
+ my @responses = split(/:/,$reply);
+ my $outcome = shift(@responses);
+ foreach my $item (@responses) {
+ my ($key,$value) = split(/=/,$item);
+ $$photo{$key} = $value;
+ }
+ return $outcome;
+ }
+ return 'error';
+}
+
sub auto_instcode_format {
my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles,$cat_order) = @_;
my $courses = '';
@@ -3791,7 +4034,7 @@ sub get_users_groups {
my $grouplist;
foreach my $key (keys %roleshash) {
if ($key =~ /^\Q$courseid\E\/(\w+)\_gr$/) {
- unless ($roleshash{$key} =~ /_1_1$/) { # deleted membership
+ unless ($roleshash{$key} =~ /_\d+_\-1$/) { # deleted membership
$grouplist .= $1.':';
}
}
@@ -4542,13 +4785,69 @@ sub GetFileTimestamp {
}
}
+sub stat_file {
+ my ($uri) = @_;
+ $uri = &clutter($uri);
+
+ # we want just the url part without the unneeded accessor url bits
+ if ($uri =~ m-^/adm/-) {
+ $uri=~s-^/adm/wrapper/-/-;
+ $uri=~s-^/adm/coursedocs/showdoc/-/-;
+ }
+ my ($udom,$uname,$file,$dir);
+ if ($uri =~ m-^/(uploaded|editupload)/-) {
+ ($udom,$uname,$file) =
+ ($uri =~ m-/(?:uploaded|editupload)/?([^/]*)/?([^/]*)/?(.*)-);
+ $file = 'userfiles/'.$file;
+ $dir = &Apache::loncommon::propath($udom,$uname);
+ }
+ if ($uri =~ m-^/res/-) {
+ ($udom,$uname) =
+ ($uri =~ m-/(?:res)/?([^/]*)/?([^/]*)/-);
+ $file = $uri;
+ }
+
+ if (!$udom || !$uname || !$file) {
+ # unable to handle the uri
+ return ();
+ }
+
+ my ($result) = &dirlist($file,$udom,$uname,$dir);
+ my @stats = split('&', $result);
+
+ if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') {
+ shift(@stats); #filename is first
+ return @stats;
+ }
+ return ();
+}
+
# -------------------------------------------------------- Value of a Condition
+# gets the value of a specific preevaluated condition
+# stored in the string $env{user.state.<cid>}
+# or looks up a condition reference in the bighash and if if hasn't
+# already been evaluated recurses into docondval to get the value of
+# the condition, then memoizing it to
+# $env{user.state.<cid>.<condition>}
sub directcondval {
my $number=shift;
if (!defined($env{'user.state.'.$env{'request.course.id'}})) {
&Apache::lonuserstate::evalstate();
}
+ if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) {
+ return $env{'user.state.'.$env{'request.course.id'}.".$number"};
+ } elsif ($number =~ /^_/) {
+ my $sub_condition;
+ if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
+ &GDBM_READER(),0640)) {
+ $sub_condition=$bighash{'conditions'.$number};
+ untie(%bighash);
+ }
+ my $value = &docondval($sub_condition);
+ &appenv('user.state.'.$env{'request.course.id'}.".$number" => $value);
+ return $value;
+ }
if ($env{'user.state.'.$env{'request.course.id'}}) {
return substr($env{'user.state.'.$env{'request.course.id'}},$number,1);
} else {
@@ -4556,43 +4855,49 @@ sub directcondval {
}
}
+# get the collection of conditions for this resource
sub condval {
my $condidx=shift;
- my $result=0;
my $allpathcond='';
- foreach (split(/\|/,$condidx)) {
- if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$_})) {
- $allpathcond.=
- '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$_}.')|';
- }
+ foreach my $cond (split(/\|/,$condidx)) {
+ if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) {
+ $allpathcond.=
+ '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|';
+ }
}
$allpathcond=~s/\|$//;
- if ($env{'request.course.id'}) {
- if ($allpathcond) {
- my $operand='|';
- my @stack;
- foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) {
- if ($_ eq '(') {
- push @stack,($operand,$result)
- } elsif ($_ eq ')') {
- my $before=pop @stack;
- if (pop @stack eq '&') {
- $result=$result>$before?$before:$result;
- } else {
- $result=$result>$before?$result:$before;
- }
- } elsif (($_ eq '&') || ($_ eq '|')) {
- $operand=$_;
- } else {
- my $new=directcondval($_);
- if ($operand eq '&') {
- $result=$result>$new?$new:$result;
- } else {
- $result=$result>$new?$result:$new;
- }
- }
- }
- }
+ return &docondval($allpathcond);
+}
+
+#evaluates an expression of conditions
+sub docondval {
+ my ($allpathcond) = @_;
+ my $result=0;
+ if ($env{'request.course.id'}
+ && defined($allpathcond)) {
+ my $operand='|';
+ my @stack;
+ foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) {
+ if ($chunk eq '(') {
+ push @stack,($operand,$result);
+ } elsif ($chunk eq ')') {
+ my $before=pop @stack;
+ if (pop @stack eq '&') {
+ $result=$result>$before?$before:$result;
+ } else {
+ $result=$result>$before?$result:$before;
+ }
+ } elsif (($chunk eq '&') || ($chunk eq '|')) {
+ $operand=$chunk;
+ } else {
+ my $new=directcondval($chunk);
+ if ($operand eq '&') {
+ $result=$result>$new?$new:$result;
+ } else {
+ $result=$result>$new?$result:$new;
+ }
+ }
+ }
}
return $result;
}
@@ -4709,8 +5014,8 @@ sub EXT_cache_set {
# --------------------------------------------------------- Value of a Variable
sub EXT {
- my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_;
+ my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_;
unless ($varname) { return ''; }
#get real user name/domain, courseid and symb
my $courseid;
@@ -4856,9 +5161,6 @@ sub EXT {
($env{'user.domain'} eq $udom)) {
$section=$env{'request.course.sec'};
@groups=&sort_course_groups($env{'request.course.groups'},$courseid);
- if (@groups > 0) {
- @groups = sort(@groups);
- }
} else {
if (! defined($usection)) {
$section=&getsection($udom,$uname,$courseid);
@@ -4993,10 +5295,7 @@ sub check_group_parms {
sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().
my ($grouplist,$courseid) = @_;
- my @groups = split/:/,$grouplist;
- if (@groups > 1) {
- @groups = sort(@groups);
- }
+ my @groups = sort(split(/:/,$grouplist));
return @groups;
}
@@ -5323,10 +5622,17 @@ sub get_slot {
$cdom=$env{'course.'.$courseid.'.domain'};
$cnum=$env{'course.'.$courseid.'.num'};
}
- my %slotinfo=&get('slots',[$which],$cdom,$cnum);
- &Apache::lonhomework::showhash(%slotinfo);
- my ($tmp)=keys(%slotinfo);
- if ($tmp=~/^error:/) { return (); }
+ my $key=join("\0",'slots',$cdom,$cnum,$which);
+ my %slotinfo;
+ if (exists($remembered{$key})) {
+ $slotinfo{$which} = $remembered{$key};
+ } else {
+ %slotinfo=&get('slots',[$which],$cdom,$cnum);
+ &Apache::lonhomework::showhash(%slotinfo);
+ my ($tmp)=keys(%slotinfo);
+ if ($tmp=~/^error:/) { return (); }
+ $remembered{$key} = $slotinfo{$which};
+ }
if (ref($slotinfo{$which}) eq 'HASH') {
return %{$slotinfo{$which}};
}
@@ -5341,9 +5647,12 @@ sub symblist {
if (($env{'request.course.fn'}) && (%newhash)) {
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
&GDBM_WRCREAT(),0640)) {
- foreach (keys %newhash) {
- $hash{declutter($_)}=&encode_symb($mapname,$newhash{$_}->[1],
- $newhash{$_}->[0]);
+ foreach my $url (keys %newhash) {
+ next if ($url eq 'last_known'
+ && $env{'form.no_update_last_known'});
+ $hash{declutter($url)}=&encode_symb($mapname,
+ $newhash{$url}->[1],
+ $newhash{$url}->[0]);
}
if (untie(%hash)) {
return 'ok';
@@ -6190,7 +6499,7 @@ sub clutter {
&& $thisfn!~/\.(sequence|page)$/) {
$thisfn='/adm/coursedocs/showdoc'.$thisfn;
} else {
- &logthis("Got a blank emb style");
+# &logthis("Got a blank emb style");
}
}
}
@@ -6258,7 +6567,6 @@ sub goodbye {
&logthis(sprintf("%-20s is %s",'hits',$hits));
&flushcourselogs();
&logthis("Shutting down");
- return DONE;
}
BEGIN {
@@ -7011,6 +7319,27 @@ all args are optional
=item *
+dumpstore($namespace,$udom,$uname,$regexp,$range) :
+dumps the complete (or key matching regexp) namespace into a hash
+($udom, $uname, $regexp, $range are optional) for a namespace that is
+normally &store()ed into
+
+$range should be either an integer '100' (give me the first 100
+ matching records)
+ or be two integers sperated by a - with no spaces
+ '30-50' (give me the 30th through the 50th matching
+ records)
+
+
+=item *
+
+putstore($namespace,$symb,$version,$storehash,$udomain,$uname) :
+replaces a &store() version of data with a replacement set of data
+for a particular resource in a namespace passed in the $storehash hash
+reference
+
+=item *
+
tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that
works very similar to store/cstore, but all data is stored in a
temporary location and can be reset using tmpreset, $storehash should
@@ -7040,10 +7369,15 @@ namesp ($udom and $uname are optional)
=item *
-dump($namespace,$udom,$uname,$regexp) :
+dump($namespace,$udom,$uname,$regexp,$range) :
dumps the complete (or key matching regexp) namespace into a hash
-($udom, $uname and $regexp are optional)
+($udom, $uname, $regexp, $range are optional)
+$range should be either an integer '100' (give me the first 100
+ matching records)
+ or be two integers sperated by a - with no spaces
+ '30-50' (give me the 30th through the 50th matching
+ records)
=item *
inc($namespace,$store,$udom,$uname) : increments $store in $namespace.
@@ -7059,17 +7393,6 @@ put($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 $uname are optional)
@@ -7199,6 +7522,16 @@ getfile($file,$caller) : two cases - req
- returns the entire contents of a file or -1;
it properly subscribes to and replicates the file if neccessary.
+
+=item *
+
+stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file
+ reference
+
+returns either a stat() list of data about the file or an empty list
+if the file doesn't exist or couldn't find out about it (connection
+problems or user unknown)
+
=item *
filelocation($dir,$file) : returns file system location of a file