--- loncom/lonnet/perl/lonnet.pm 2006/01/13 19:22:29 1.683.2.12
+++ loncom/lonnet/perl/lonnet.pm 2006/04/06 18:04:23 1.725
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.683.2.12 2006/01/13 19:22:29 albertel Exp $
+# $Id: lonnet.pm,v 1.725 2006/04/06 18:04:23 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -124,7 +124,7 @@ 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 +152,7 @@ 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);
@@ -260,6 +260,13 @@ 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/$handle.id");
@@ -289,14 +296,14 @@ sub transfer_profile_to_env {
sub appenv {
my %newenv=@_;
- foreach (keys %newenv) {
- if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) {
+ foreach my $key (keys(%newenv)) {
+ if (($newenv{$key}=~/^user\.role/) || ($newenv{$key}=~/^user\.priv/)) {
&logthis("WARNING: ".
- "Attempt to modify environment ".$_." to ".$newenv{$_}
+ "Attempt to modify environment ".$key." to ".$newenv{$key}
.'');
- delete($newenv{$_});
+ delete($newenv{$key});
} else {
- $env{$_}=$newenv{$_};
+ $env{$key}=$newenv{$key};
}
}
@@ -380,12 +387,12 @@ sub delenv {
close($fh);
return 'error: '.$!;
}
- foreach (@oldenv) {
- if ($_=~/^$delthis/) {
- my ($key,undef) = split('=',$_,2);
+ foreach my $cur_key (@oldenv) {
+ if ($cur_key=~/^$delthis/) {
+ my ($key,undef) = split('=',$cur_key,2);
delete($env{$key});
} else {
- print $fh $_;
+ print $fh $cur_key;
}
}
close($fh);
@@ -843,6 +850,7 @@ sub save_cache {
my ($r)=@_;
if (! $r->is_initial_req()) { return DECLINED; }
&purge_remembered();
+ #&Apache::loncommon::validate_page();
undef(%env);
return OK;
}
@@ -947,25 +955,62 @@ sub userenvironment {
sub studentphoto {
my ($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 +1153,9 @@ sub ssi {
my $ua=new LWP::UserAgent;
my $request;
-
+
+ $form{'no_update_last_known'}=1;
+
if (%form) {
$request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn);
$request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
@@ -1280,12 +1327,19 @@ sub clean_filename {
}
# --------------- Take an uploaded file and put it into the userfiles directory
-# input: name of form element, coursedoc=1 means this is for the course
-# output: url of file in userspace
+# input: $formname - the contents of the file are in $env{"form.$formname"}
+# the desired filenam is in $env{"form.$formname.filename"}
+# $coursedoc - if true up to the current course
+# if false
+# $subdir - directory in userfile to store the file into
+# $parser, $allfiles, $codebase - unknown
+#
+# output: url of file in userspace, or error:
+# or /adm/notfound.html if failure to upload occurse
sub userfileupload {
- my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase)=@_;
+ my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,$destudom)=@_;
if (!defined($subdir)) { $subdir='unknown'; }
my $fname=$env{'form.'.$formname.'.filename'};
$fname=&clean_filename($fname);
@@ -1308,6 +1362,7 @@ sub userfileupload {
close($fh);
return $fullpath.'/'.$fname;
}
+
# Create the directory if not present
$fname="$subdir/$fname";
if ($coursedoc) {
@@ -1323,9 +1378,19 @@ sub userfileupload {
$fname,$formname,$parser,
$allfiles,$codebase);
}
+ } elsif (defined($destuname)) {
+ my $docuname=$destuname;
+ my $docudom=$destudom;
+ return &finishuserfileupload($docuname,$docudom,$formname,
+ $fname,$parser,$allfiles,$codebase);
+
} else {
my $docuname=$env{'user.name'};
my $docudom=$env{'user.domain'};
+ if (exists($env{'form.group'})) {
+ $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
+ $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+ }
return &finishuserfileupload($docuname,$docudom,$formname,
$fname,$parser,$allfiles,$codebase);
}
@@ -1351,8 +1416,16 @@ 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 ($parser eq 'parse') {
@@ -2778,7 +2851,7 @@ sub del {
# -------------------------------------------------------------- dump interface
sub dump {
- my ($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);
@@ -2787,16 +2860,23 @@ 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,$range);
+}
+
# -------------------------------------------------------------- keys interface
sub getkeys {
@@ -2938,25 +3018,53 @@ sub newput {
# --------------------------------------------------------- putstore interface
sub putstore {
- my ($namespace,$storehash,$udomain,$uname)=@_;
+ my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);
my $items='';
- my %allitems = ();
- foreach (keys %$storehash) {
- if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
- my $key = $1.':keys:'.$2;
- $allitems{$key} .= $3.':';
- }
- $items.=$_.'='.&freeze_escape($$storehash{$_}).'&';
- }
- foreach (keys %allitems) {
- $allitems{$_} =~ s/\:$//;
- $items.= $_.'='.$allitems{$_}.'&';
+ foreach my $key (keys(%$storehash)) {
+ $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&';
}
$items=~s/\&$//;
- return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
+ my $esc_symb=&escape($symb);
+ my $esc_v=&escape($version);
+ my $reply =
+ &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items",
+ $uhome);
+ if ($reply eq 'unknown_cmd') {
+ # gfall back to way things use to be done
+ return &old_putstore($namespace,$symb,$version,$storehash,$udomain,
+ $uname);
+ }
+ return $reply;
+}
+
+sub old_putstore {
+ my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
+ if (!$udomain) { $udomain=$env{'user.domain'}; }
+ if (!$uname) { $uname=$env{'user.name'}; }
+ my $uhome=&homeserver($uname,$udomain);
+ my %newstorehash;
+ foreach (keys %$storehash) {
+ my $key = $version.':'.&escape($symb).':'.$_;
+ $newstorehash{$key} = $storehash->{$_};
+ }
+ my $items='';
+ my %allitems = ();
+ foreach (keys %newstorehash) {
+ if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
+ my $key = $1.':keys:'.$2;
+ $allitems{$key} .= $3.':';
+ }
+ $items.=$_.'='.&freeze_escape($newstorehash{$_}).'&';
+ }
+ foreach (keys %allitems) {
+ $allitems{$_} =~ s/\:$//;
+ $items.= $_.'='.$allitems{$_}.'&';
+ }
+ $items=~s/\&$//;
+ return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
}
# ------------------------------------------------------ critical put interface
@@ -2968,7 +3076,7 @@ sub cput {
my $uhome=&homeserver($uname,$udomain);
my $items='';
foreach (keys %$storehash) {
- $items.=escape($_).'='.&freeze_escape($$storehash{$_}).'&';
+ $items.=&escape($_).'='.&freeze_escape($$storehash{$_}).'&';
}
$items=~s/\&$//;
return &critical("put:$udomain:$uname:$namespace:$items",$uhome);
@@ -3066,6 +3174,7 @@ sub customaccess {
sub allowed {
my ($priv,$uri,$symb)=@_;
+ my $ver_orguri=$uri;
$uri=&deversion($uri);
my $orguri=$uri;
$uri=&declutter($uri);
@@ -3078,12 +3187,29 @@ 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') {
@@ -3166,7 +3292,7 @@ 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';
@@ -3397,16 +3523,17 @@ 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\|]+)\&/);
@@ -3679,6 +3806,82 @@ 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 = '';
@@ -3730,6 +3933,10 @@ sub modify_group_roles {
my $role = 'gr/'.&escape($userprivs);
my ($uname,$udom) = split(/:/,$user);
my $result = &assignrole($udom,$uname,$url,$role,$end,$start);
+ if ($result eq 'ok') {
+ &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum);
+ }
+
return $result;
}
@@ -4531,13 +4738,69 @@ sub GetFileTimestamp {
}
}
+sub stat_file {
+ my ($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.}
+# or looks up a condition reference in the bighash and if if hasn't
+# already been evaluated recurses into docondval to get the value of
+# the condition, then memoizing it to
+# $env{user.state..}
sub directcondval {
my $number=shift;
if (!defined($env{'user.state.'.$env{'request.course.id'}})) {
&Apache::lonuserstate::evalstate();
}
+ if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) {
+ return $env{'user.state.'.$env{'request.course.id'}.".$number"};
+ } elsif ($number =~ /^_/) {
+ my $sub_condition;
+ if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
+ &GDBM_READER(),0640)) {
+ $sub_condition=$bighash{'conditions'.$number};
+ untie(%bighash);
+ }
+ my $value = &docondval($sub_condition);
+ &appenv('user.state.'.$env{'request.course.id'}.".$number" => $value);
+ return $value;
+ }
if ($env{'user.state.'.$env{'request.course.id'}}) {
return substr($env{'user.state.'.$env{'request.course.id'}},$number,1);
} else {
@@ -4545,43 +4808,49 @@ 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 $result;
}
@@ -4698,8 +4967,8 @@ sub EXT_cache_set {
# --------------------------------------------------------- Value of a Variable
sub EXT {
- my ($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;
@@ -4813,10 +5082,21 @@ sub EXT {
return $env{'course.'.$courseid.'.'.$spacequalifierrest};
} elsif ($realm eq 'resource') {
- my $section;
if (defined($courseid) && $courseid eq $env{'request.course.id'}) {
if (!$symbparm) { $symbparm=&symbread(); }
}
+
+ if ($space eq 'title') {
+ if (!$symbparm) { $symbparm = $env{'request.filename'}; }
+ return &gettitle($symbparm);
+ }
+
+ if ($space eq 'map') {
+ my ($map) = &decode_symb($symbparm);
+ return &symbread($map);
+ }
+
+ my ($section, $group, @groups);
my ($courselevelm,$courselevel);
if ($symbparm && defined($courseid) &&
$courseid eq $env{'request.course.id'}) {
@@ -4833,12 +5113,17 @@ sub EXT {
if (($env{'user.name'} eq $uname) &&
($env{'user.domain'} eq $udom)) {
$section=$env{'request.course.sec'};
+ @groups=&sort_course_groups($env{'request.course.groups'},$courseid);
} else {
if (! defined($usection)) {
$section=&getsection($udom,$uname,$courseid);
} else {
$section = $usection;
}
+ my $grouplist = &get_users_groups($udom,$uname,$courseid);
+ if ($grouplist) {
+ @groups=&sort_course_groups($grouplist,$courseid);
+ }
}
my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest;
@@ -4854,12 +5139,17 @@ sub EXT {
my $userreply=&resdata($uname,$udom,'user',
($courselevelr,$courselevelm,
$courselevel));
-
if (defined($userreply)) { return $userreply; }
# ------------------------------------------------ second, check some of course
+ my $coursereply;
+ if (@groups > 0) {
+ $coursereply = &check_group_parms($courseid,\@groups,$symbparm,
+ $mapparm,$spacequalifierrest);
+ if (defined($coursereply)) { return $coursereply; }
+ }
- my $coursereply=&resdata($env{'course.'.$courseid.'.num'},
+ $coursereply=&resdata($env{'course.'.$courseid.'.num'},
$env{'course.'.$courseid.'.domain'},
'course',
($seclevelr,$seclevelm,$seclevel,
@@ -4939,6 +5229,29 @@ sub EXT {
return '';
}
+sub check_group_parms {
+ my ($courseid,$groups,$symbparm,$mapparm,$what) = @_;
+ my @groupitems = ();
+ my $resultitem;
+ my @levels = ($symbparm,$mapparm,$what);
+ foreach my $group (@{$groups}) {
+ foreach my $level (@levels) {
+ my $item = $courseid.'.['.$group.'].'.$level;
+ push(@groupitems,$item);
+ }
+ }
+ my $coursereply = &resdata($env{'course.'.$courseid.'.num'},
+ $env{'course.'.$courseid.'.domain'},
+ 'course',@groupitems);
+ return $coursereply;
+}
+
+sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().
+ my ($grouplist,$courseid) = @_;
+ my @groups = sort(split(/:/,$grouplist));
+ return @groups;
+}
+
sub packages_tab_default {
my ($uri,$varname)=@_;
my (undef,$part,$name)=split(/\./,$varname);
@@ -5262,10 +5575,17 @@ 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}};
}
@@ -5280,9 +5600,12 @@ 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';
@@ -6129,7 +6452,7 @@ sub clutter {
&& $thisfn!~/\.(sequence|page)$/) {
$thisfn='/adm/coursedocs/showdoc'.$thisfn;
} else {
- #&logthis("Got a blank emb style");
+# &logthis("Got a blank emb style");
}
}
}
@@ -6276,7 +6599,7 @@ BEGIN {
}
close($config);
# FIXME: dev server don't want this, production servers _do_ want this
- &get_iphost();
+ #&get_iphost();
}
sub get_iphost {
@@ -6950,6 +7273,27 @@ all args are optional
=item *
+dumpstore($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, $storehash should
@@ -6979,10 +7323,15 @@ namesp ($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 $namespace.
@@ -6998,17 +7347,6 @@ put($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 $uname are optional)
@@ -7138,6 +7476,16 @@ getfile($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