--- loncom/lond	2005/10/11 21:29:36	1.299
+++ loncom/lond	2006/01/27 23:05:30	1.305.2.1
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.299 2005/10/11 21:29:36 raeburn Exp $
+# $Id: lond,v 1.305.2.1 2006/01/27 23:05:30 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -59,7 +59,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.299 $'; #' stupid emacs
+my $VERSION='$Revision: 1.305.2.1 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -1422,7 +1422,7 @@ sub ls_handler {
 			open(FILE, $ulsdir.'/'.$ulsfn.".meta");
 			my @obsolete=<FILE>;
 			foreach my $obsolete (@obsolete) {
-			    if($obsolete =~ m|(<obsolete>)(on)|) { $obs = 1; } 
+			    if($obsolete =~ m/(<obsolete>)(on|1)/) { $obs = 1; } 
 			    if($obsolete =~ m|(<copyright>)(default)|) { $rights = 1; }
 			}
 		    }
@@ -1490,7 +1490,7 @@ sub ls2_handler {
                         open(FILE, $ulsdir.'/'.$ulsfn.".meta");
                         my @obsolete=<FILE>;
                         foreach my $obsolete (@obsolete) {
-                            if($obsolete =~ m|(<obsolete>)(on)|) { $obs = 1; } 
+                            if($obsolete =~ m/(<obsolete>)(on|1)/) { $obs = 1; } 
                             if($obsolete =~ m|(<copyright>)(default)|) {
                                 $rights = 1;
                             }
@@ -1943,6 +1943,7 @@ sub update_resource_handler {
 	    my $since=$now-$atime;
 	    if ($since>$perlvar{'lonExpire'}) {
 		my $reply=&reply("unsub:$fname","$clientname");
+		&devalidate_meta_cache($fname);
 		unlink("$fname");
 	    } else {
 		my $transname="$fname.in.transfer";
@@ -1973,13 +1974,7 @@ sub update_resource_handler {
 			alarm(0);
 		    }
 		    rename($transname,$fname);
-		    use Cache::Memcached;
-		    my $memcache=
-			new Cache::Memcached({'servers'=>['127.0.0.1:11211']});
-		    my $url=$fname;
-		    $url=~s-^/home/httpd/html--;
-		    my $id=&escape('meta:'.$url);
-		    $memcache->delete($id);
+		    &devalidate_meta_cache($fname);
 		}
 	    }
 	    &Reply( $client, "ok\n", $userinput);
@@ -1993,6 +1988,26 @@ sub update_resource_handler {
 }
 &register_handler("update", \&update_resource_handler, 0 ,1, 0);
 
+sub devalidate_meta_cache {
+    my ($url) = @_;
+    use Cache::Memcached;
+    my $memcache = new Cache::Memcached({'servers'=>['127.0.0.1:11211']});
+    $url = &declutter($url);
+    $url =~ s-\.meta$--;
+    my $id = &escape('meta:'.$url);
+    $memcache->delete($id);
+}
+
+sub declutter {
+    my $thisfn=shift;
+    $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//;
+    $thisfn=~s/^\///;
+    $thisfn=~s|^adm/wrapper/||;
+    $thisfn=~s|^adm/coursedocs/showdoc/||;
+    $thisfn=~s/^res\///;
+    $thisfn=~s/\?.+$//;
+    return $thisfn;
+}
 #
 #   Fetch a user file from a remote server to the user's home directory
 #   userfiles subdir.
@@ -3586,11 +3601,7 @@ sub dump_dcmail_handler {
     }
     if (defined($sendersfilter)) {
         $sendersfilter=&unescape($sendersfilter);
-        if ($sendersfilter =~ /\&/) {
-            @senders = split(/\&/,$sendersfilter);
-        } else {
-            $senders[0] = $sendersfilter;
-        }
+	@senders = map { &unescape($_) } split(/\&/,$sendersfilter);
     }
 
     my $qresult='';
@@ -3598,11 +3609,9 @@ sub dump_dcmail_handler {
     if ($hashref) {
         while (my ($key,$value) = each(%$hashref)) {
             my $match = 1;
-            my ($timestamp,$subj,$uname,$udom) = split(/:/,&unescape($key),5);
-            $timestamp = &unescape($timestamp);
+            my ($timestamp,$subj,$uname,$udom) = 
+		split(/:/,&unescape(&unescape($key)),5); # yes, twice really
             $subj = &unescape($subj);
-            $uname = &unescape($uname);
-            $udom = &unescape($udom);
             unless ($startfilter eq '.' || !defined($startfilter)) {
                 if ($timestamp < $startfilter) {
                     $match = 0;
@@ -3721,11 +3730,7 @@ sub dump_domainroles_handler {
     }
     if (defined($rolesfilter)) {
         $rolesfilter=&unescape($rolesfilter);
-        if ($rolesfilter =~ /\&/) {
-            @roles = split(/\&/,$rolesfilter);
-        } else {
-            $roles[0] = $rolesfilter;
-        }
+	@roles = split(/\&/,$rolesfilter);
     }
                                                                                            
     my $hashref = &tie_domain_hash($udom, "nohist_domainroles", &GDBM_WRCREAT());