Resolve relative paths to a hypothetical root before fetching docs from source control.

chrome/common/extensions/docs/server/chromeextensionsdocs.py

 #!/usr/bin/python
 # Copyright (c) 2010 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import cgi
 import logging
 import re
+import os
 
 from google.appengine.ext import webapp
 from google.appengine.ext.webapp.util import run_wsgi_app
 from google.appengine.api import memcache
 from google.appengine.api import urlfetch
 
 # TODO(nickbaum): unit tests
 
 
 # TODO(nickbaum): is this the right way to do constants?
@@ skipping 17 matching lines @@
 Channel.TRUNK = Channel("trunk", "")
 Channel.DEFAULT = Channel.STABLE
 
 
 DEFAULT_CACHE_TIME = 300
 
 
 class MainPage(webapp.RequestHandler):
   # get page from memcache, or else fetch it from src
   def get(self):
-    path = self.request.path
+    path = os.path.realpath(os.path.join('/', self.request.path))
     # special path to invoke the unit tests
     # TODO(nickbaum): is there a less ghetto way to invoke the unit test?
-    if path == "/test/":
+    if path == "/test":
       self.unitTest()
       return
     # if root, redirect to index.html
     # TODO(nickbaum): this doesn't handle /chrome/extensions/trunk, etc
     if (path == "/chrome/extensions") or (path == "chrome/extensions/"):
       self.redirect("/chrome/extensions/index.html")
       return
     # else remove prefix
     if(path[:18] == "/chrome/extensions"):
       path = path[18:]
@@ skipping 210 matching lines @@
   ('/.*', MainPage),
 ], debug=False)
   
 
 def main():
   run_wsgi_app(application)
 
 
 if __name__ == '__main__':
   main()