kopia lustrzana https://github.com/snarfed/bridgy-fed
49 wiersze
1.5 KiB
Python
49 wiersze
1.5 KiB
Python
"""HTTP proxy that injects our webmention endpoint.
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"""
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import datetime
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import logging
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import urllib
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import appengine_config
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from oauth_dropins.webutil.handlers import memcache_response
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import requests
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import webapp2
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import common
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LINK_HEADER = '<%s>; rel="webmention"'
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CACHE_TIME = datetime.timedelta(seconds=15)
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class AddWebmentionHandler(webapp2.RequestHandler):
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"""Proxies HTTP requests and adds Link header to our webmention endpoint."""
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@memcache_response(CACHE_TIME)
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def get(self, url):
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url = urllib.unquote(url)
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if not url.startswith('http://') and not url.startswith('https://'):
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common.error(self, 'URL must start with http:// or https://')
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try:
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resp = common.requests_get(url)
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except requests.exceptions.Timeout as e:
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common.error(self, unicode(e), status=504, exc_info=True)
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except requests.exceptions.RequestException as e:
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common.error(self, unicode(e), status=502, exc_info=True)
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self.response.status_int = resp.status_code
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self.response.write(resp.content)
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endpoint = LINK_HEADER % (str(self.request.get('endpoint')) or
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appengine_config.HOST_URL + '/webmention')
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self.response.headers.clear()
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self.response.headers.update(resp.headers)
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self.response.headers.add('Link', endpoint)
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app = webapp2.WSGIApplication([
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('/wm/(.+)', AddWebmentionHandler),
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], debug=appengine_config.DEBUG)
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