--- loncom/lonnet/perl/lonnet.pm	2002/08/02 21:11:55	1.260
+++ loncom/lonnet/perl/lonnet.pm	2002/08/08 20:33:50	1.264
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.260 2002/08/02 21:11:55 ng Exp $
+# $Id: lonnet.pm,v 1.264 2002/08/08 20:33:50 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -608,6 +608,18 @@ sub userenvironment {
     return %returnhash;
 }
 
+# -------------------------------------------------------------------- New chat
+
+sub chatsend {
+    my ($newentry,$anon)=@_;
+    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);
+}
+
 # ----------------------------- Subscribe to a resource, return URL if possible
 
 sub subscribe {
@@ -766,10 +778,15 @@ sub userfileupload {
     }
 # Notify homeserver to grep it
 #
-# FIXME - this still needs to happen
+    if 
+(&reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$fname,$docuhome) eq 'ok') 
+    {
 #
 # Return the URL to it
-    return '/uploaded/'.$path.$fname;    
+        return '/uploaded/'.$path.$fname;
+    } else {
+        return '/adm/notfound.html';
+    }    
 }
 
 # ------------------------------------------------------------------------- Log
@@ -1580,6 +1597,17 @@ sub allowed {
 		return '';
             }
         }
+        if ($ENV{'request.role'}=~ /li\.\//) {
+            # Library role, so allow browsing of resources in this domain.
+            return 'F';
+        }
+    }
+    # Domain coordinator is trying to create a course
+    if (($priv eq 'ccc') && ($ENV{'request.role'} =~ /^dc\./)) {
+        # uri is the requested domain in this case.
+        # comparison to 'request.role.domain' shows if the user has selected
+        # a role of dc for the domain in question. 
+        return 'F' if ($uri eq $ENV{'request.role.domain'});
     }
 
     my $thisallowed='';
@@ -2167,13 +2195,10 @@ sub writecoursepref {
 # ---------------------------------------------------------- Make/modify course
 
 sub createcourse {
-    my ($udom,$description,$url)=@_;
+    my ($udom,$description,$url,$course_server)=@_;
     $url=&declutter($url);
     my $cid='';
-    unless (&allowed('ccc',$ENV{'user.domain'})) {
-        return 'refused';
-    }
-    unless ($udom eq $ENV{'user.domain'}) {
+    unless (&allowed('ccc',$udom)) {
         return 'refused';
     }
 # ------------------------------------------------------------------- Create ID
@@ -2189,9 +2214,14 @@ sub createcourse {
            return 'error: unable to generate unique course-ID';
        } 
    }
+# ------------------------------------------------ Check supplied server name
+    $course_server = $ENV{'user.homeserver'} if (! defined($course_server));
+    if (! exists($libserv{$course_server})) {
+        return 'error:bad server name '.$course_server;
+    }
 # ------------------------------------------------------------- Make the course
     my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
-                      $ENV{'user.home'});
+                      $course_server);
     unless ($reply eq 'ok') { return 'error: '.$reply; }
     $uhome=&homeserver($uname,$udom,'true');
     if (($uhome eq '') || ($uhome eq 'no_host')) { 
@@ -2703,6 +2733,7 @@ sub metadata {
 # the next is the end of "start tag"
 	 }
        }
+	&metadata_generate_part0(\%metathesekeys,\%metacache,$uri);
        $metacache{$uri.':keys'}=join(',',keys %metathesekeys);
        $metacache{$uri.':cachedtimestamp'}=time;
 # this is the end of "was not already recently cached
@@ -2710,6 +2741,34 @@ sub metadata {
     return $metacache{$uri.':'.$what};
 }
 
+sub metadata_generate_part0 {
+    my ($metadata,$metacache,$uri) = @_;
+    my %allnames;
+    foreach my $metakey (sort keys %$metadata) {
+	if ($metakey=~/^parameter\_(.*)/) {
+	  my $part=$$metacache{$uri.':'.$metakey.'.part'};
+	  my $name=$$metacache{$uri.':'.$metakey.'.name'};
+	  if (! exists($$metadata{'parameter_0_'.$name})) {
+	    $allnames{$name}=$part;
+	  }
+	}
+    }
+    foreach my $name (keys(%allnames)) {
+      $$metadata{"parameter_0_$name"}=1;
+      my $key="$uri:parameter_0_$name";
+      $$metacache{"$key.part"}='0';
+      $$metacache{"$key.name"}=$name;
+      $$metacache{"$key.type"}=$$metacache{$uri.':parameter_'.
+					   $allnames{$name}.'_'.$name.
+					   '.type'};
+      my $olddis=$$metacache{$uri.':parameter_'.$allnames{$name}.'_'.$name.
+			     '.display'};
+      my $expr='\\[Part: '.$allnames{$name}.'\\]';
+      $olddis=~s/$expr/\[Part: 0\]/;
+      $$metacache{"$key.display"}=$olddis;
+    }
+}
+
 # ------------------------------------------------- Update symbolic store links
 
 sub symblist {