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from django.http import HttpResponseRedirect
from ..requests_client import OAuth1Session, OAuth2Session
from ..base_client import (
BaseApp, OAuthError,
OAuth1Mixin, OAuth2Mixin, OpenIDMixin,
)
class DjangoAppMixin:
def save_authorize_data(self, request, **kwargs):
state = kwargs.pop('state', None)
if state:
self.framework.set_state_data(request.session, state, kwargs)
else:
raise RuntimeError('Missing state value')
def authorize_redirect(self, request, redirect_uri=None, **kwargs):
"""Create a HTTP Redirect for Authorization Endpoint.
:param request: HTTP request instance from Django view.
:param redirect_uri: Callback or redirect URI for authorization.
:param kwargs: Extra parameters to include.
:return: A HTTP redirect response.
"""
rv = self.create_authorization_url(redirect_uri, **kwargs)
self.save_authorize_data(request, redirect_uri=redirect_uri, **rv)
return HttpResponseRedirect(rv['url'])
class DjangoOAuth1App(DjangoAppMixin, OAuth1Mixin, BaseApp):
client_cls = OAuth1Session
def authorize_access_token(self, request, **kwargs):
"""Fetch access token in one step.
:param request: HTTP request instance from Django view.
:return: A token dict.
"""
params = request.GET.dict()
state = params.get('oauth_token')
if not state:
raise OAuthError(description='Missing "oauth_token" parameter')
data = self.framework.get_state_data(request.session, state)
if not data:
raise OAuthError(description='Missing "request_token" in temporary data')
params['request_token'] = data['request_token']
params.update(kwargs)
self.framework.clear_state_data(request.session, state)
return self.fetch_access_token(**params)
class DjangoOAuth2App(DjangoAppMixin, OAuth2Mixin, OpenIDMixin, BaseApp):
client_cls = OAuth2Session
def authorize_access_token(self, request, **kwargs):
"""Fetch access token in one step.
:param request: HTTP request instance from Django view.
:return: A token dict.
"""
if request.method == 'GET':
error = request.GET.get('error')
if error:
description = request.GET.get('error_description')
raise OAuthError(error=error, description=description)
params = {
'code': request.GET.get('code'),
'state': request.GET.get('state'),
}
else:
params = {
'code': request.POST.get('code'),
'state': request.POST.get('state'),
}
claims_options = kwargs.pop('claims_options', None)
state_data = self.framework.get_state_data(request.session, params.get('state'))
self.framework.clear_state_data(request.session, params.get('state'))
params = self._format_state_params(state_data, params)
token = self.fetch_access_token(**params, **kwargs)
if 'id_token' in token and 'nonce' in state_data:
userinfo = self.parse_id_token(token, nonce=state_data['nonce'], claims_options=claims_options)
token['userinfo'] = userinfo
return token