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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 17629] filter handling issues with subrequests and internal redirects
Date Tue, 10 Mar 2009 13:19:58 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=17629


Jelmer Jellema <apche_bug@spininhetweb.nl> changed:

           What    |Removed                     |Added
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                 CC|                            |apche_bug@spininhetweb.nl




--- Comment #29 from Jelmer Jellema <apche_bug@spininhetweb.nl>  2009-03-10 06:19:54
PST ---
Hi,

Is there any chance this issue will get fixed in a new mod_filter
implementation? mod_deflate (or any FilterChain with more than one filter) is
now unusable to anyone who does not know in advance if some of the processing
will require subrequests.

By the way, in httpd 2.2.3, when a file is run through mod_include containing a
subrequest, and afterwards through mod_deflate, the output will not be mixed
gzipped/ non-gzipped, but will be not compressed. The only problem now is, that
mod_deflate still adds the Content-Encoding: gzip, which confuses the client...

So this html-file:
---
<html>
<body><!--#include virtual="/output.cgi"--></body>
</html>
-----

and this output.cgi file:
---
#!/bin/bash

echo 'Content-Type: text/html'
echo ''
echo 'This is the output'
---

Will be delivered, when ran through mod_include and mod_deflate as:
------
HTTP/1.1 200 OK
Date: Tue, 10 Mar 2009 13:18:05 GMT
Server: Apache
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip
Connection: close
Content-Type: text/html

This is the output
</body>
</html>
-----

As you can see: the body is not encoded. 

(and there isn't even a redirect in the cgi, it is run through a handler and
just outputs the content).

Jelmer

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