--- loncom/lonnet/perl/lonrep.pm	1999/10/13 17:48:51	1.1
+++ loncom/lonnet/perl/lonrep.pm	2007/04/26 01:18:47	1.13
@@ -1,19 +1,57 @@
 # The LearningOnline Network
 # Replication Manager
-# (Access Handler for File Transfers
-# (lonacc: Cookie Based Access Handler
-# 5/21/99,5/22,5/29,5/31,6/15 Gerd Kortemeyer)
-# 6/16,6/18 Gerd Kortemeyer)
-# 6/18,6/21,6/26,6/28,6/29,6/30,
-# 7/2,7/3,7/9,7/10,7/12 Gerd Kortemeyer
+#
+# $Id: lonrep.pm,v 1.13 2007/04/26 01:18:47 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 
 package Apache::lonrep;
 
 use strict;
 use Apache::Constants qw(:common :http);
-use LWP::UserAgent();
-use Apache::lonnet();
+use Apache::lonnet;
 use Apache::File();
+use CGI::Cookie();
+
+sub update_filename {
+    my ($r,$filename) = @_;
+    my $oldfile = $r->filename($filename);
+    if ($ENV{'MOD_PERL_API_VERSION'} == 2
+	&& -e $filename) {
+	eval {
+	    require APR::Finfo;
+	    require APR::Const;
+	    $r->finfo(APR::Finfo::stat($filename, 
+				       &APR::Const::FINFO_NORM(),
+				       $r->pool));
+	};
+	if ($@) {
+	    return $@;
+	}
+    }
+    return;
+}
 
 sub handler {
     my $r = shift;
@@ -21,53 +59,42 @@ sub handler {
       return OK;
     } else {
       my $filename=$r->filename.$r->path_info;
-      my $transname="$filename.in.transfer";
-      if (-e $transname) {
+      if ($filename=~/\/$/) { return OK; }
+      if (-e "$filename.in.transfer") {
 	sleep 10;
-        $r->filename($filename);
-        if (-e $r->finfo) {
-	   return OK;
+        if (-e $filename) {
+	    my $error = &update_filename($r,$filename);
+	    if ($error) {
+		$r->log_reason('Update filename failed '.$error);
+		return HTTP_SERVICE_UNAVAILABLE;
+	    }
+	    return OK;
         } else {
-	   $r->log_reason("Waiting for file transfer timed out",$filename);
-	   return HTTP_SERVICE_UNAVAILABLE;
+	    $r->log_reason("Waiting for file transfer timed out",$filename);
+	    return HTTP_SERVICE_UNAVAILABLE;
         }
       } else {
-        my $remoteurl=Apache::lonnet::subscribe($filename);
-        if ($remoteurl eq 'con_lost') {
-	   $r->log_reason("Subscribe returned con_lost",$filename);
-           return HTTP_SERVICE_UNAVAILABLE;
-	} elsif ($remoteurl eq 'not_found') {
-	   $r->log_reason("Subscribe returned not_found",$filename);
-	   return HTTP_NOT_FOUND;
-        } elsif ($remoteurl eq 'forbidden') {
-	   $r->log_reason("Subscribe returned forbidden",$filename);
-           return FORBIDDEN;
-        } else {
-           my @parts=split(/\//,$filename);
-           my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
-           my $count;
-           for ($count=5;$count<$#parts;$count++) {
-               $path.="/$parts[$count]";
-               if ((-e $path)!=1) {
-		   mkdir($path,0777);
-               }
-           }
-           my $ua=new LWP::UserAgent;
-           my $request=new HTTP::Request('GET',"$remoteurl");
-           my $response=$ua->request($request,$transname);
-           if ($response->is_error()) {
-	       unlink($transname);
-               my $message=$response->status_line;
-               $r->log_reason("LWP GET: $message",$filename);
-               return HTTP_SERVICE_UNAVAILABLE;
-           } else {
-               rename($transname,$filename);
-               $r->filename($filename);
-               return OK;
-           }
-        }
+          my $response=&Apache::lonnet::repcopy($filename);
+          if ($response eq 'ok' && -e $filename) {
+	      $r->path_info('');
+	      my $error = &update_filename($r,$filename);
+	      if ($error) {
+		  $r->log_reason('Update filename failed after replication '.$error);
+		  return HTTP_SERVICE_UNAVAILABLE;
+	      }
+              return OK;
+          }
+          my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
+          my $lonid=$cookies{'lonID'};
+          if ($lonid) {
+	     $r->log_reason('Replication failed for '.$lonid->value);
+             return $response;
+	  } else {
+	     $r->log_reason('Replication failed for unknown user'); 
+             return FORBIDDEN;
+          } 
       }
-   }
+    }
 }
 
 1;