--- loncom/auth/loncacc.pm	2002/02/26 21:01:33	1.21
+++ loncom/auth/loncacc.pm	2003/05/06 21:45:25	1.27
@@ -2,7 +2,7 @@
 # Cookie Based Access Handler for Construction Area
 # (lonacc: 5/21/99,5/22,5/29,5/31 Gerd Kortemeyer)
 #
-# $Id: loncacc.pm,v 1.21 2002/02/26 21:01:33 albertel Exp $
+# $Id: loncacc.pm,v 1.27 2003/05/06 21:45:25 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -31,7 +31,6 @@
 # YEAR=2001
 # 01/06,01/11,6/1,9/25,9/28,11/22,12/25,12/26,
 # 01/06/01,05/04,05/05,05/09 Gerd Kortemeyer
-# 12/21 Scott Harrison
 # YEAR=2002
 # 1/4 Gerd Kortemeyer
 ###
@@ -39,7 +38,7 @@
 package Apache::loncacc;
 
 use strict;
-use Apache::Constants qw(:common :http :methods);
+use Apache::Constants qw(:common :http :methods REDIRECT);
 use Apache::File;
 use CGI::Cookie();
 use Fcntl qw(:flock);
@@ -48,7 +47,8 @@ sub constructaccess {
     my ($url,$ownerdomain)=@_;
     my ($ownername)=($url=~/\/(?:\~|priv\/|home\/)(\w+)/);
     unless (($ownername) && ($ownerdomain)) { return ''; }
-
+    # We do not allow editing of previous versions of files.
+    if ($url=~/\.(\d+)\.(\w+)$/) { return ''; }
     if (($ownername eq $ENV{'user.name'}) &&
         ($ownerdomain eq $ENV{'user.domain'})) {
 	return ($ownername,$ownerdomain);
@@ -69,6 +69,7 @@ sub constructaccess {
 sub handler {
     my $r = shift;
     my $requrl=$r->uri;
+    $ENV{'request.editurl'}=$requrl;
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
     my $lonid=$cookies{'lonID'};
     my $cookie;
@@ -98,13 +99,22 @@ sub handler {
                 $r->log_reason("Unauthorized $requrl", $r->filename); 
 	        return HTTP_NOT_ACCEPTABLE;
             }
+# Construction space needs Remote to work
+            if ($ENV{'environment.remote'} eq 'off') {
+	        $r->content_type('text/html');
+                $r->header_out(Location => 
+                    'http://'.$r->server->server_hostname.
+                    '/adm/remote?action=launch&url='.
+                    &Apache::lonnet::escape($requrl));
+                return REDIRECT;
+            }
 
 # -------------------------------------------------------- Load POST parameters
 
 
         my $buffer;
 
-        $r->read($buffer,$r->header_in('Content-length'));
+        $r->read($buffer,$r->header_in('Content-length'),0);
 
 	unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
             my @pairs=split(/&/,$buffer);
@@ -189,7 +199,7 @@ Apache::lonacc - Cookie Based Access Han
 
 =head1 SYNOPSIS
 
-Invoked (for various locations) by /etc/httpd/conf/srm.conf:
+Invoked (for various locations) by /etc/httpd/conf/loncapa_apache.conf:
 
  PerlAccessHandler       Apache::loncacc