--- loncom/lonnet/perl/lonnet.pm	2000/06/30 17:09:51	1.16
+++ loncom/lonnet/perl/lonnet.pm	2000/07/21 00:40:37	1.20
@@ -13,6 +13,8 @@
 # put(namesp,hash)   : stores hash in namesp
 # dump(namesp)       : dumps the complete namespace into a hash
 # ssi(url)           : does a complete request cycle on url to localhost
+# repcopy(filename)  : replicate file
+# dirlist(url)       : gets a directory listing
 #
 # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,
 # 7/1,7/2,7/9,7/10,7/12,7/14,7/15,7/19,
@@ -22,7 +24,7 @@
 # 04/05,05/29,05/31,06/01,
 # 06/05,06/26 Gerd Kortemeyer
 # 06/26 Ben Tyszka
-# 06/30 Gerd Kortemeyer
+# 06/30,07/15,07/17,07/18 Gerd Kortemeyer
 
 package Apache::lonnet;
 
@@ -291,6 +293,7 @@ sub subscribe {
 sub repcopy {
     my $filename=shift;
     my $transname="$filename.in.transfer";
+    if ((-e $filename) || (-e $transname)) { return OK; }
     my $remoteurl=subscribe($filename);
     if ($remoteurl eq 'con_lost') {
 	   &logthis("Subscribe returned con_lost: $filename");
@@ -298,9 +301,11 @@ sub repcopy {
     } elsif ($remoteurl eq 'not_found') {
 	   &logthis("Subscribe returned not_found: $filename");
 	   return HTTP_NOT_FOUND;
-    } elsif ($remoteurl eq 'forbidden') {
-	   &logthis("Subscribe returned forbidden: $filename");
+    } elsif ($remoteurl eq 'rejected') {
+	   &logthis("Subscribe returned rejected: $filename");
            return FORBIDDEN;
+    } elsif ($remoteurl eq 'directory') {
+           return OK;
     } else {
            my @parts=split(/\//,$filename);
            my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
@@ -354,9 +359,6 @@ sub ssi {
     return $response->content;
 }
 
-
-
-
 # ------------------------------------------------------------------------- Log
 
 sub log {
@@ -591,6 +593,56 @@ sub plaintext {
 sub assignrole {
 }
 
+# ------------------------------------------------------------ Directory lister
+
+sub dirlist {
+    my $uri=shift;
+    $uri=~s/^\///;
+    $uri=~s/\/$//;
+    my ($res,$udom,$uname,@rest)=split(/\//,$uri);
+    if ($udom) {
+     if ($uname) {
+       my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/'.$uri,
+                      homeserver($uname,$udom));
+       return split(/:/,$listing);
+     } else {
+       my $tryserver;
+       my %allusers=();
+       foreach $tryserver (keys %libserv) {
+	  if ($hostdom{$tryserver} eq $udom) {
+             my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'.$udom,
+			       $tryserver);
+             if (($listing ne 'no_such_dir') && ($listing ne 'empty')
+              && ($listing ne 'con_lost')) {
+                map {
+                  my ($entry,@stat)=split(/&/,$_);
+                  $allusers{$entry}=1;
+                } split(/:/,$listing);
+             }
+	  }
+       }
+       my $alluserstr='';
+       map {
+           $alluserstr.=$_.'&user:';
+       } sort keys %allusers;
+       $alluserstr=~s/:$//;
+       return split(/:/,$alluserstr);
+     } 
+   } else {
+       my $tryserver;
+       my %alldom=();
+       foreach $tryserver (keys %libserv) {
+	   $alldom{$hostdom{$tryserver}}=1;
+       }
+       my $alldomstr='';
+       map {
+          $alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'&domain:';
+       } sort keys %alldom;
+       $alldomstr=~s/:$//;
+       return split(/:/,$alldomstr);       
+   }
+}
+
 # -------------------------------------------------------- Escape Special Chars
 
 sub escape {