--- loncom/auth/publiccheck.pm	2006/04/13 19:07:33	1.2
+++ loncom/auth/publiccheck.pm	2006/06/16 22:37:29	1.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: publiccheck.pm,v 1.2 2006/04/13 19:07:33 albertel Exp $
+# $Id: publiccheck.pm,v 1.3 2006/06/16 22:37:29 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -57,24 +57,60 @@ sub handler {
     }
     if ($requrl=~m|^/public/|
 	|| (&Apache::lonnet::metadata($requrl,'copyright') eq 'public')) {
-        &Apache::lonnet::logthis('Granting public access: '.$requrl);
-	if ($env{'user.name'} ne 'public' 
-	    && $env{'user.domain'} ne 'public') {
-	    my $cookie=
-		&Apache::lonauth::success($r,'public','public','public');
-	    my $lonidsdir=$r->dir_config('lonIDsDir');
-	    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$cookie);
-	    $r->header_out('Set-cookie',"lonID=$cookie; path=/");
-	}
-	&Apache::lonacc::get_posted_cgi($r);
-        $env{'request.state'} = "published";
-        $env{'request.publicaccess'} = 1;
-        $env{'request.filename'} = $r->filename;
+        &process_public($r,$requrl);
         return OK;
+    } elsif ($requrl =~ m#/+uploaded/([^/]+)/([^/]+)/portfolio(/.+)$#) {
+        if (&process_portfolio($1,$2,$3)) {
+            &process_public($r,$requrl);
+            return OK;
+        } 
+    } elsif ($requrl =~ m#/+uploaded/([^/]+)/([^/]+)/groups/([^/]+)/portfolio/(.+)$#) {
+        if (&process_portfolio($1,$2,$3.'/'.$4,$3)) {
+            &process_public($r,$requrl);
+            return OK;
+        }
     }
     return DECLINED;
 }
 
+sub process_public {
+    my ($r,$requrl) = @_;
+    &Apache::lonnet::logthis('Granting public access: '.$requrl);
+    if ($env{'user.name'} ne 'public' && $env{'user.domain'} ne 'public') {
+        my $cookie=&Apache::lonauth::success($r,'public','public','public');
+        my $lonidsdir=$r->dir_config('lonIDsDir');
+        &Apache::lonnet::transfer_profile_to_env($lonidsdir,$cookie);
+        $r->header_out('Set-cookie',"lonID=$cookie; path=/");
+    }
+    &Apache::lonacc::get_posted_cgi($r);
+    $env{'request.state'} = "published";
+    $env{'request.publicaccess'} = 1;
+    $env{'request.filename'} = $r->filename;
+    return;
+}
+
+sub process_portfolio {
+    my ($udom,$unum,$file_name,$group) = @_;
+    my $current_perms = &Apache::lonnet::get_portfile_permissions($udom,$unum);
+    my %access_controls = &Apache::lonnet::get_access_controls($current_perms,$group,$file_name);
+    my $public_access = 0;
+    my $now = time;
+    foreach my $key (keys(%{$access_controls{$file_name}})) {
+        my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
+        if ($start > $now) {
+            next;
+        }
+        if ($end && $end<$now) {
+            next;
+        }
+        if ($scope eq 'public') {
+            $public_access = 1;
+            last;
+        }
+    }
+    return $public_access;
+}
+
 1;
 
 __END__