kopia lustrzana https://github.com/snarfed/bridgy-fed
62 wiersze
2.0 KiB
Python
62 wiersze
2.0 KiB
Python
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"""Handles inbound webmentions.
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"""
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import copy
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import json
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import logging
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import appengine_config
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from granary import microformats2
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import mf2py
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import mf2util
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from oauth_dropins.webutil import util
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import webapp2
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import activitypub
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import common
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class WebmentionHandler(webapp2.RequestHandler):
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"""Handles inbound webmention, converts to ActivityPub inbox delivery."""
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def post(self):
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logging.info('Params: %s', self.request.params.items())
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source = util.get_required_param(self, 'source')
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target = util.get_required_param(self, 'target')
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# fetch source page, convert to ActivityStreams
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resp = common.requests_get(source)
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mf2 = mf2py.parse(resp.text, url=resp.url)
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logging.info('Parsed mf2 for %s: %s', resp.url, json.dumps(mf2, indent=2))
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entry = mf2util.find_first_entry(mf2, ['h-entry'])
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logging.info('First entry: %s', json.dumps(entry, indent=2))
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source_obj = microformats2.json_to_object(entry)
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logging.info('Converted to AS: %s', json.dumps(source_obj, indent=2))
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# fetch target page as AS object
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target_obj = common.requests_get(target, json=True,
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headers=activitypub.CONNEG_HEADER)
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# fetch actor as AS object
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actor_url = target_obj.get('actor') or target_obj.get('attributedTo')
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if not actor_url:
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self.abort(400, 'Target object has no actor or attributedTo')
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actor = common.requests_get(actor_url, json=True,
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headers=activitypub.CONNEG_HEADER)
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# deliver source object to target actor's inbox
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inbox_url = actor.get('inbox')
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if not inbox_url:
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self.abort(400, 'Target actor has no inbox')
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headers = copy.copy(common.HEADERS)
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headers['Content-Type'] = activitypub.CONTENT_TYPE_AS
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requests.post(inbox_url, json=source_obj, headers=headers)
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app = webapp2.WSGIApplication([
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('/webmention', WebmentionHandler),
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], debug=appengine_config.DEBUG)
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