--- loncom/publisher/lonpublisher.pm	2014/01/15 18:49:56	1.289
+++ loncom/publisher/lonpublisher.pm	2014/08/03 13:52:59	1.292
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Publication Handler
 #
-# $Id: lonpublisher.pm,v 1.289 2014/01/15 18:49:56 bisitz Exp $
+# $Id: lonpublisher.pm,v 1.292 2014/08/03 13:52:59 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -468,7 +468,7 @@ Currently undocumented
 #########################################
 #########################################
 sub set_allow {
-    my ($allow,$logfile,$target,$tag,$oldurl)=@_;
+    my ($allow,$logfile,$target,$tag,$oldurl,$type)=@_;
     my $newurl=&urlfixup($oldurl,$target);
     my $return_url=$oldurl;
     print $logfile 'GUYURL: '.$tag.':'.$oldurl.' - '.$newurl."\n";
@@ -480,6 +480,11 @@ sub set_allow {
 	($newurl !~ /^mailto:/i) &&
 	($newurl !~ /^(?:http|https|ftp):/i) &&
 	($newurl !~ /^\#/)) {
+        if (($type eq 'src') || ($type eq 'href')) {
+            if ($newurl =~ /^([^?]+)\?[^?]*$/) {
+                $newurl = $1;
+            }
+        }
 	$$allow{&absoluteurl($newurl,$target)}=1;
     }
     return $return_url;
@@ -721,9 +726,11 @@ sub fix_ids_and_indices {
 		    foreach my $type ('src','href','background','bgimg') {
 			foreach my $key (keys(%parms)) {
 			    if ($key =~ /^$type$/i) {
+                                next if (($lctag eq 'img') && ($type eq 'src') && 
+                                         ($parms{$key} =~ m{^data\:image/gif;base64,}));
 				$parms{$key}=&set_allow(\%allow,$logfile,
 							$target,$tag,
-							$parms{$key});
+							$parms{$key},$type);
 			    }
 			}
 		    }
@@ -836,7 +843,21 @@ sub fix_ids_and_indices {
                                 }
                             }
                         }
-                        $outstring .= $script
+                        if ($script =~ /\(document,\s*(['"])script\1,\s*\[([^\]]+)\]\);/s) {
+                            my $scriptslist = $2;
+                            my @srcs = split(/\s*,\s*/,$scriptslist);
+                            foreach my $src (@srcs) {
+                                if ($src =~ /(["'])(?:(?!\1).)+\.js\1/) {
+                                    my $quote = $1;
+                                    my ($url) = ($src =~ m/\Q$quote\E([^$quote]+)\Q$quote\E/);
+                                    $url = &urlfixup($url);
+                                    unless ($url=~m{^(?:http|https|ftp)://}) {
+                                        $allow{&absoluteurl($url,$target)}=1;
+                                    }
+                                }
+                            }
+                        }
+                        $outstring .= $script;
                     }
                 }
 	    } elsif ($token->[0] eq 'E') {