Fix directory traversal issue in extension doc server.

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

Index: chrome/common/extensions/docs/server/chromeextensionsdocs.py
diff --git a/chrome/common/extensions/docs/server/chromeextensionsdocs.py b/chrome/common/extensions/docs/server/chromeextensionsdocs.py
index a15de088bc463a5595dcd0e9878ad63e7010e294..db9585552cc1df6b34b046f71d826e36b4e81179 100644
--- a/chrome/common/extensions/docs/server/chromeextensionsdocs.py
+++ b/chrome/common/extensions/docs/server/chromeextensionsdocs.py
@@ -72,7 +72,9 @@ class MainPage(webapp.RequestHandler):
       logging.info("Path: " + self.request.path)
       logging.info("Url: " + url)
       try:
-        result = urlfetch.fetch(url + self.request.query_string)
+        # TODO(aa): Do we need to pass the querystring through here? We used to,

[Mihai Parparita -not on Chrome, 2011/11/15 14:44:49]

You could also switch this to url + '?' + self.request.query_string (which I
assume is closer to the intent of the original code).

[Aaron Boodman, 2011/11/15 19:06:57]

Aha! In that case, I'm comfortable just removing this completely since it wasn't
working before anyway. Thanks :)

+        # but that caused problems. See crbug.com/104272.
+        result = urlfetch.fetch(url)
         if result.status_code != 200:
           logging.error("urlfetch failed: " + url)
           # TODO(nickbaum): what should we do when the urlfetch fails?