From: Jamison Wilde <redmine@...>
Date: 2010-08-10T00:24:18+09:00
Subject: [ruby-core:31657] [Bug #3669] Webrick URI parsing problem

Bug #3669: Webrick URI parsing problem
http://redmine.ruby-lang.org/issues/show/3669

Author: Jamison Wilde
Status: Open, Priority: Low
Category: lib
ruby -v: 1.8.6, 1.8.7, 1.9.1

Webrick doesn't handle server local URI's that begin with two slashes gracefully. This behavior is not seen on other ruby http server implementations.

If a local URI has two slashes such as 'http://myserver.com//path/file', the path portion of the URI is lost and webrick tries to locate the file as 'http://myserver.com/file'. 

The solution is to rollup any leading slashes in webrick/httprequest.rb/#parse_uri.
 

*** lib\ruby\1.9.1\webrick\Copy of httprequest.rb       Mon Aug 09 10:18:05 2010
--- lib\ruby\1.9.1\webrick\httprequest.rb       Mon Aug 09 10:18:30 2010
*************** module WEBrick
*** 273,278 ****
--- 273,279 ----
        if @config[:Escape8bitURI]
          str = HTTPUtils::escape8bit(str)
        end
+       str.gsub!(%r{^/+}o, '/')
        uri = URI::parse(str)
        return uri if uri.absolute?
        if @forwarded_host


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