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#!/usr/bin/env python
#
# Copyright 2014 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.
from google.appengine.api import memcache
from google.appengine.api import urlfetch
import webapp2
import base64
"""A simple appengine app that hosts .html files in src/styleguide/c++ from
chromium's git repo."""
class MainHandler(webapp2.RequestHandler):
def get(self):
handler = GitilesMirrorHandler()
handler.initialize(self.request, self.response)
return handler.get("c++11.html")
BASE = 'https://chromium.googlesource.com/chromium/src.git/' \
'+/master/styleguide/c++/%s?format=TEXT'
class GitilesMirrorHandler(webapp2.RequestHandler):
def get(self, resource):
if '..' in resource: # No path traversal.
self.response.write(':-(')
return
url = BASE % resource
contents = memcache.get(url)
if not contents or self.request.get('bust'):
result = urlfetch.fetch(url)
if result.status_code != 200:
self.response.set_status(result.status_code)
self.response.write('http error %d' % result.status_code)
return
contents = base64.b64decode(result.content)
memcache.set(url, contents, time=5*60) # seconds
if resource.endswith('.css'):
self.response.headers['Content-Type'] = 'text/css'
self.response.write(contents)
app = webapp2.WSGIApplication([
('/', MainHandler),
('/(\S+\.(?:css|html))', GitilesMirrorHandler),
], debug=True)
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