Fixes Engine::CGI for Lighttpd

09/09/2006

Lighttpd has error-handler-404 feature which is useful as dynamic content handler.
But it seems that Catalyst does not support this.

This is problem of Catalyst's environment parser (Catalyst::Engine::CGI)

When I set error-handler-404 to "/script/myapp_fastcgi.pl" and request /foo/bar (no exsits path),
Lighttpd call /script/myapp_fastcgi.pl with following %ENV

REQUEST_URI: /foo/bar
REDIRECT_URI: /script/myapp_fastcgi.pl
PATH_INFO: ''
QUERY_STRING: ''

PATH_INFO and QUERY_STRING are always empty via error-handler-404.
Instead of those vars, set REQUEST_URI (path+query)

It seems that Lighttpd always set REQUEST_URI whether error-handler is set or not.

So the solution about this problem is that Engine::CGI parses REQUEST_URI for any lighttpd's request.

Here is the patch:

--- /usr/local/share/perl/5.8.8/Catalyst/Engine/CGI.pm 2006-07-20 06:45:16.000000000 +0900
+++ lib/Catalyst/Engine/CGI.pm 2006-09-09 20:07:45.000000000 +0900
@@ -140,12 +140,28 @@
     my $path = $base_path . ( $ENV{PATH_INFO} || '' );
     $path =~ s{^/+}{};
-    my $uri = URI->new;
-    $uri->scheme($scheme);
-    $uri->host($host);
-    $uri->port($port);
-    $uri->path($path);
-    $uri->query( $ENV{QUERY_STRING} ) if $ENV{QUERY_STRING};
+    my $uri;
+
+    # lighttpd always set requested uri into REQUEST_URI
+    if ( ( $ENV{SERVER_SOFTWARE} || '' ) =~ /lighttpd/ and $ENV{REQUEST_URI} ) {
+        $uri = URI->new( $ENV{REQUEST_URI} );
+        $uri->scheme($scheme);
+        $uri->host($host);
+        $uri->port($port);
+
+        use YAML;
+        warn Dump $uri;
+
+        $ENV{QUERY_STRING} = $uri->query if $uri->query;
+    }
+    else {
+        $uri = URI->new;
+        $uri->scheme($scheme);
+        $uri->host($host);
+        $uri->port($port);
+        $uri->path($path);
+        $uri->query( $ENV{QUERY_STRING} ) if $ENV{QUERY_STRING};
+    }
     # sanitize the URI
     $uri = $uri->canonical;
@@ -167,7 +183,11 @@
     my ( $self, $c ) = @_;
     local (*ENV) = $self->env || \%ENV;
-    if ( $ENV{QUERY_STRING} ) {
+    if ( ( $ENV{SERVER_SOFTWARE} || '' ) =~ /lighttpd/ and $ENV{REQUEST_URI} ) {
+        my ($query_string) = $ENV{REQUEST_URI} =~ /\?(.*)/;
+        $self->SUPER::prepare_query_parameters( $c, $query_string );
+    }
+    elsif ( $ENV{QUERY_STRING} ) {
         $self->SUPER::prepare_query_parameters( $c, $ENV{QUERY_STRING} );
     }
}

Update at 2006-09-09 14:36 +0900: updated patch
Update at 2006-09-09 20:13 +0900: updated patch again, added prepare_query_parameters fixes for query_parameters.

Sep 9, 2006 2:58:32 AM

11 Comments Comment feed

I will test this out tonight and let you know how to goes.

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Posted by: mi6gan222 | 08/19/2009 at 06:37 PM

[this is good] At me a similar situation. Is ready to help.

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09/09/2006

Fixes Engine::CGI for Lighttpd

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