--- loncom/auth/publiccheck.pm	2006/07/10 03:58:45	1.5
+++ loncom/auth/publiccheck.pm	2009/10/26 18:59:02	1.18
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: publiccheck.pm,v 1.5 2006/07/10 03:58:45 raeburn Exp $
+# $Id: publiccheck.pm,v 1.18 2009/10/26 18:59:02 droeschl Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -34,47 +34,55 @@ use Apache::Constants qw(:common :http :
 use Apache::lonnet;
 use Apache::loncommon();
 use Apache::lonlocal;
-use CGI::Cookie();
 use Fcntl qw(:flock);
 use Apache::lonacc();
+use LONCAPA();
 
 sub handler {
     my $r = shift;
+
     my $requrl=$r->uri;
-    my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
-    my $lonid=$cookies{'lonID'};
-    if ($lonid) {
-	my $handle=$lonid->value;
-        $handle=~s/\W//g;
+
+    if (&Apache::lonnet::is_domainimage($requrl)) {
+        return OK;
+    }
+
+    if ($requrl =~ m{^/res/adm/pages/[^/]+\.(gif|png)$}) {
+        return OK;
+    }
+
+    my $handle = &Apache::lonnet::check_for_valid_session($r);
+    if ($handle ne '') {
         my $lonidsdir=$r->dir_config('lonIDsDir');
-        if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
-	    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
-	    if ($env{'user.name'} ne 'public'
-		&& $env{'user.domain'} ne 'public') {
-		return OK;
-	    }
+	&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
+	if ($env{'user.name'} ne 'public'
+	    && $env{'user.domain'} ne 'public') {
+	    return OK;
 	}
     }
     if ($requrl=~m|^/public/|
 	|| $requrl=~m|^/adm/help/.*\.hlp$|
-	|| (&Apache::lonnet::metadata($requrl,'copyright') eq 'public')) {
+	|| $requrl=~m|^/adm/[^/]+/[^/]+/aboutme/portfolio$|
+	|| (&Apache::lonnet::metadata($requrl,'copyright') eq 'public') 
+    || $requrl=~m|^/adm/blockingstatus/.*$| 
+    || $requrl eq '/adm/coursecatalog') {
         &process_public($r,$requrl);
         return OK;
-    } elsif ($requrl =~ m|/+uploaded/([^/]+)/([^/]+)/portfolio(/.+)$|) {
-        my $access = &process_portfolio($1,$2,$3);
+    } elsif (&Apache::lonnet::is_portfolio_url($requrl)) {
+	my (undef,$udom,$unum,$file_name,$group) = 
+	    &Apache::lonnet::parse_portfolio_url($requrl);
+        my $access = &process_portfolio($udom,$unum,$file_name,$group);
         if ($access) {
             &process_public($r,$requrl,$access);
             return OK;
         } 
-    } elsif ($requrl =~ m|/+uploaded/([^/]+)/([^/]+)/groups/([^/]+)/portfolio/(.+)$|) {
-        my $access = &process_portfolio($1,$2,$3.'/'.$4,$3);
-        if ($access) {
-            &process_public($r,$requrl,$access);
-            return OK;
-        }
     } elsif ($requrl eq '/adm/restrictedaccess') {
         &process_public($r,$requrl);
-    } 
+	return OK;
+    } elsif ($requrl eq '/adm/blockedaccess') {
+       &process_public($r,$requrl);
+       return OK;
+    }
     return DECLINED;
 }
 
@@ -85,11 +93,7 @@ sub process_public {
         my $cookie=&Apache::lonauth::success($r,'public','public','public');
         my $lonidsdir=$r->dir_config('lonIDsDir');
         &Apache::lonnet::transfer_profile_to_env($lonidsdir,$cookie);
-        if ($access eq 'guest') {
-            $r->err_headers_out('Set-cookie',"lonID=$cookie; path=/");
-        } else {
-            $r->header_out('Set-cookie',"lonID=$cookie; path=/");
-        }
+	$r->err_header_out('Set-cookie',"lonID=$cookie; path=/");
     }
     &Apache::lonacc::get_posted_cgi($r);
     $env{'request.state'} = "published";