--- loncom/publisher/lonpublisher.pm	2001/08/13 12:53:06	1.37
+++ loncom/publisher/lonpublisher.pm	2001/08/18 21:34:39	1.43
@@ -11,7 +11,7 @@
 # 04/16/2001 Scott Harrison
 # 05/03,05/05,05/07 Gerd Kortemeyer
 # 05/28/2001 Scott Harrison
-# 06/23,08/07,08/11,8/13 Gerd Kortemeyer
+# 06/23,08/07,08/11,8/13,8/17,8/18 Gerd Kortemeyer
 
 package Apache::lonpublisher;
 
@@ -71,7 +71,8 @@ sub metaeval {
               } @{$token->[3]};
               if ($metadatafields{$unikey}) {
 		  my $newentry=$parser->get_text('/'.$entry);
-                  unless ($metadatafields{$unikey}=~/$newentry/) {
+                  unless (($metadatafields{$unikey}=~/$newentry/) ||
+                          ($newentry eq '')) {
                      $metadatafields{$unikey}.=', '.$newentry;
 		  }
 	      } else {
@@ -135,6 +136,7 @@ sub selectbox {
 
 sub urlfixup {
     my ($url,$target)=@_;
+    unless ($url) { return ''; }
     my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
     map {
 	if ($_ eq $host) {
@@ -142,6 +144,7 @@ sub urlfixup {
             $url=~s/^$host//;
         }
     } values %Apache::lonnet::hostname;
+    if ($url=~/^http\:\/\//) { return $url; }
     $url=~s/\~$cuname/res\/$cudom\/$cuname/;
     if ($target) {
 	$target=~s/\/[^\/]+$//;
@@ -256,7 +259,38 @@ sub publish {
 			  }
                           $allow{$newurl}=1;
                       }
-                  } ('src','href','codebase');
+                  } ('src','href');
+
+                  if ($tag eq 'applet') {
+		      my $codebase='';
+                      if (defined($parms{'codebase'})) {
+		         my $oldcodebase=$parms{'codebase'};
+                         unless ($oldcodebase=~/\/$/) {
+                            $oldcodebase.='/';
+                         }
+                         $codebase=&urlfixup($oldcodebase,$target);
+                         $codebase=~s/\/$//;    
+                         if ($codebase ne $oldcodebase) {
+			     $parms{'codebase'}=$codebase;
+                             print $logfile 'URL codebase: '.$tag.':'.
+                                  $oldcodebase.' - '.
+				  $codebase."\n";
+			 }
+                         $allow{$codebase.'/*'}=1;
+		      } else {
+                        map {
+                          if (defined($parms{$_})) {
+			      my $oldurl=$parms{$_};
+                              my $newurl=&urlfixup($oldurl,$target);
+			      $newurl=~s/\/[^\/]+$/\/\*/;
+                                  print $logfile 'Allow: applet '.$_.':'.
+                                  $oldurl.' allows '.
+				  $newurl."\n";
+                              $allow{$newurl}=1;
+                          }
+                        } ('archive','code','object');
+                      }
+                  }
 
                   my $newparmstring='';
                   my $endtag='';
@@ -275,7 +309,7 @@ sub publish {
 		 }
               } elsif ($token->[0] eq 'E') {
                   unless ($token->[1] eq 'allow') {
-                     $outstring.=$token->[2];
+                     $outstring.='</'.$token->[1].'>';
 		  }
               } else {
                   $outstring.=$token->[1];
@@ -368,7 +402,11 @@ sub publish {
 
 # -------------------------------------------------- Parse content for metadata
     if ($style eq 'ssi') {
+        my $oldenv=$ENV{'request.uri'};
+
+        $ENV{'request.uri'}=$target;
         $allmeta=Apache::lonxml::xmlparse('meta',$content);
+        $ENV{'request.uri'}=$oldenv;
 
         &metaeval($allmeta);
     }
@@ -799,6 +837,20 @@ sub handler {
      return OK;
   }
 
+# Get query string for limited number of parameters
+
+    map {
+       my ($name, $value) = split(/=/,$_);
+       $value =~ tr/+/ /;
+       $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
+       if ($name eq 'filename') {
+           unless ($ENV{'form.'.$name}) {
+              $ENV{'form.'.$name}=$value;
+	   }
+       }
+    } (split(/&/,$ENV{'QUERY_STRING'}));
+
+
 # -------------------------------------------------------------- Check filename
 
   my $fn=$ENV{'form.filename'};
@@ -830,7 +882,8 @@ sub handler {
      return HTTP_NOT_ACCEPTABLE;
   }
 
-  $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
+  $fn=~s/^http\:\/\/[^\/]+//;
+  $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
 
   my $targetdir='';
   $docroot=$r->dir_config('lonDocRoot');