64 lines
2 KiB
Python
64 lines
2 KiB
Python
"""
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OSM OAuth support.
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This adds support for OSM OAuth service. An application must
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be registered first on OSM and the settings OSM_CONSUMER_KEY
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and OSM_CONSUMER_SECRET must be defined with the corresponding
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values.
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More info: http://wiki.openstreetmap.org/wiki/OAuth
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"""
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from xml.dom import minidom
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from social_auth.backends import ConsumerBasedOAuth, OAuthBackend, USERNAME
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# OSM configuration
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OSM_SERVER = 'http://www.openstreetmap.org/oauth'
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OSM_REQUEST_TOKEN_URL = '%s/request_token' % OSM_SERVER
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OSM_ACCESS_TOKEN_URL = '%s/access_token' % OSM_SERVER
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OSM_AUTHORIZATION_URL = '%s/authorize' % OSM_SERVER
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OSM_USER_DATA_URL = 'http://api.openstreetmap.org/api/0.6/user/details'
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class OSMBackend(OAuthBackend):
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"""OSM OAuth authentication backend"""
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name = 'openstreetmap'
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EXTRA_DATA = [
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('username', 'username'),
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]
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def get_user_details(self, response):
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"""Return user details from OSM account"""
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return {USERNAME: response.get('username')}
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def get_user_id(self, details, response):
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"""Return the user id, both email and username can change in OSM."""
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return response['id']
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class OSMAuth(ConsumerBasedOAuth):
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"""OSM OAuth authentication mechanism"""
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AUTHORIZATION_URL = OSM_AUTHORIZATION_URL
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REQUEST_TOKEN_URL = OSM_REQUEST_TOKEN_URL
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ACCESS_TOKEN_URL = OSM_ACCESS_TOKEN_URL
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AUTH_BACKEND = OSMBackend
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SETTINGS_KEY_NAME = 'OSM_CONSUMER_KEY'
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SETTINGS_SECRET_NAME = 'OSM_CONSUMER_SECRET'
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def user_data(self, access_token):
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"""Return user data provided"""
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url = OSM_USER_DATA_URL
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request = self.oauth_request(access_token, url)
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response = self.fetch_response(request)
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doc = minidom.parseString(response)
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user_node = doc.getElementsByTagName('user')[0]
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username = user_node.getAttribute('display_name')
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user_id = user_node.getAttribute('id')
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return {
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"username": username,
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"id": user_id
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}
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# Backend definition
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BACKENDS = {
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'openstreetmap': OSMAuth,
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}
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