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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 23287] New: - mod_deflate does not properly format decompressed request content
Date Sat, 20 Sep 2003 03:36:27 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=23287

mod_deflate does not properly format decompressed request content

           Summary: mod_deflate does not properly format decompressed
                    request content
           Product: Apache httpd-2.0
           Version: 2.0.47
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: mod_deflate
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: john@objectivelogic.com
                CC: john@objectivelogic.com


mod_deflate is configured to decompress an inbound HTTP SOAP request (note: The Apache SOAP
TCPTunnel/Monitor was used to capture the flows between the Apache proxy server and WebLogic):

POST /some/url HTTP/1.0
Host: localhost:1080
Content-Type: text/xml; charset=utf-8
Content-Length: 4727
SOAPAction: "http://some.soap.action"
Accept-Encoding: gzip,deflate
Content-Encoding: gzip
<SNIP: Compressed SOAP message/>

The HTTP request body (the SOAP request) is compressed in the gzip format.

mod_deflate does intercept and decompress the content.

Apache is also configured (using mod_proxy) to forward the request on to WebLogic. The request
forwarded to WebLogic is as follows:

POST /some/url HTTP/1.1
Host: localhost:7101
Content-Type: text/xml; charset=utf-8
Content-Length: 4727 <== Note!
SOAPAction: "http://some.soap.action"
Accept-Encoding: gzip,deflate
Content-Encoding: gzip <== Note!
<SNIP: Decompressed SOAP message />

mod_deflate should mdoify (or remove) the Content-Encoding header to reflect the fact that
the content is NOT compressed, and should re-write the Content-Length header to reflect the
actual length of the decompressed content.

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