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Tastypie OAuth
from oauth2 import Error
from django.utils.translation import ugettext as _
from tastypie.authentication import Authentication
from oauth_provider.utils import initialize_server_request, send_oauth_error, get_oauth_request
from oauth_provider.consts import OAUTH_PARAMETERS_NAMES
from import store, InvalidTokenError
class OAuthAuthentication(Authentication):
def is_authenticated(self, request, **kwargs):
if self.is_valid_request(request):
oauth_request = get_oauth_request(request)
consumer = store.get_consumer(request, oauth_request,
token = store.get_access_token(request, oauth_request,
consumer, oauth_request.get_parameter('oauth_token'))
except InvalidTokenError:
return send_oauth_error(Error(_('Invalid access token: %s') % oauth_request.get_parameter('oauth_token')))
parameters = self.validate_token(request, consumer, token)
except Error, e:
return send_oauth_error(e)
if consumer and token:
request.user = token.user
return True
return send_oauth_error(Error(_('You are not allowed to access this resource.')))
return send_oauth_error(Error(_('Invalid request parameters.')))
def is_valid_request(request):
Checks whether the required parameters are either in
the http-authorization header sent by some clients,
which is by the way the preferred method according to
OAuth spec, but otherwise fall back to `GET` and `POST`.
is_in = lambda l: all((p in l) for p in OAUTH_PARAMETERS_NAMES)
auth_params = request.META.get("HTTP_AUTHORIZATION", [])
return is_in(auth_params) or is_in(request.REQUEST)
def validate_token(request, consumer, token):
oauth_server, oauth_request = initialize_server_request(request)
return oauth_server.verify_request(oauth_request, consumer, token)
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miratcan commented May 28, 2011


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