90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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import json
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import traceback
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from urllib2 import urlopen, Request, HTTPError
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from urllib import urlencode
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from mediagoblin.tools.common import TESTS_ENABLED
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_log = logging.getLogger(__name__)
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TESTS_CALLBACKS = {}
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def create_post_request(url, data, **kw):
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'''
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Issue a HTTP POST request.
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Args:
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url: The URL to which the POST request should be issued
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data: The data to be send in the body of the request
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**kw:
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data_parser: The parser function that is used to parse the `data`
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argument
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'''
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data_parser = kw.get('data_parser', urlencode)
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headers = kw.get('headers', {})
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return Request(url, data_parser(data), headers=headers)
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def json_processing_callback(entry):
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'''
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Send an HTTP post to the registered callback url, if any.
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'''
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if not entry.processing_metadata:
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_log.debug('No processing callback for {0}'.format(entry))
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return
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url = entry.processing_metadata[0].callback_url
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_log.debug('Sending processing callback for {0} ({1})'.format(
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entry,
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url))
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headers = {
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'Content-Type': 'application/json'}
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data = {
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'id': entry.id,
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'state': entry.state}
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# Trigger testing mode, no callback will be sent
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if url.endswith('secrettestmediagoblinparam'):
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TESTS_CALLBACKS.update({url: data})
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return True
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request = create_post_request(
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url,
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data,
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headers=headers,
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data_parser=json.dumps)
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try:
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urlopen(request)
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_log.debug('Processing callback for {0} sent'.format(entry))
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return True
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except HTTPError:
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_log.error('Failed to send callback: {0}'.format(
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traceback.format_exc()))
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return False
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