def create_request_token(self, context):
        headers = context['headers']
        oauth_headers = oauth1.get_oauth_headers(headers)
        consumer_id = oauth_headers.get('oauth_consumer_key')
        requested_project_id = headers.get('Requested-Project-Id')

        if not consumer_id:
            raise exception.ValidationError(
                attribute='oauth_consumer_key', target='request')
        if not requested_project_id:
            raise exception.ValidationError(
                attribute='requested_project_id', target='request')

        # NOTE(stevemar): Ensure consumer and requested project exist
        self.resource_api.get_project(requested_project_id)
        self.oauth_api.get_consumer(consumer_id)

        url = self.base_url(context, context['path'])

        req_headers = {'Requested-Project-Id': requested_project_id}
        req_headers.update(headers)
        request_verifier = oauth1.RequestTokenEndpoint(
            request_validator=validator.OAuthValidator(),
            token_generator=oauth1.token_generator)
        h, b, s = request_verifier.create_request_token_response(
            url,
            http_method='POST',
            body=context['query_string'],
            headers=req_headers)

        if (not b) or int(s) > 399:
            msg = _('Invalid signature')
            raise exception.Unauthorized(message=msg)

        request_token_duration = CONF.oauth1.request_token_duration
        initiator = notifications._get_request_audit_info(context)
        token_ref = self.oauth_api.create_request_token(consumer_id,
                                                        requested_project_id,
                                                        request_token_duration,
                                                        initiator)

        result = ('oauth_token=%(key)s&oauth_token_secret=%(secret)s'
                  % {'key': token_ref['id'],
                     'secret': token_ref['request_secret']})

        if CONF.oauth1.request_token_duration:
            expiry_bit = '&oauth_expires_at=%s' % token_ref['expires_at']
            result += expiry_bit

        headers = [('Content-Type', 'application/x-www-urlformencoded')]
        response = wsgi.render_response(result,
                                        status=(201, 'Created'),
                                        headers=headers)

        return response
Beispiel #2
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    def authenticate(self, context, auth_info, auth_context):
        """Turn a signed request with an access key into a keystone token."""

        if not self.oauth_api:
            raise exception.Unauthorized(_('%s not supported') % self.method)

        headers = context['headers']
        oauth_headers = oauth.get_oauth_headers(headers)
        access_token_id = oauth_headers.get('oauth_token')

        if not access_token_id:
            raise exception.ValidationError(attribute='oauth_token',
                                            target='request')

        acc_token = self.oauth_api.get_access_token(access_token_id)

        expires_at = acc_token['expires_at']
        if expires_at:
            now = timeutils.utcnow()
            expires = timeutils.normalize_time(
                timeutils.parse_isotime(expires_at))
            if now > expires:
                raise exception.Unauthorized(_('Access token is expired'))

        url = controller.V3Controller.base_url(context, context['path'])
        access_verifier = oauth.ResourceEndpoint(
            request_validator=validator.OAuthValidator(),
            token_generator=oauth.token_generator)
        result, request = access_verifier.validate_protected_resource_request(
            url,
            http_method='POST',
            body=context['query_string'],
            headers=headers,
            realms=None)
        if not result:
            msg = _('Could not validate the access token')
            raise exception.Unauthorized(msg)
        auth_context['user_id'] = acc_token['authorizing_user_id']
        auth_context['access_token_id'] = access_token_id
        auth_context['project_id'] = acc_token['project_id']
Beispiel #3
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    def create_access_token(self, context):
        headers = context['headers']
        oauth_headers = oauth1.get_oauth_headers(headers)
        consumer_id = oauth_headers.get('oauth_consumer_key')
        request_token_id = oauth_headers.get('oauth_token')
        oauth_verifier = oauth_headers.get('oauth_verifier')

        if not consumer_id:
            raise exception.ValidationError(
                attribute='oauth_consumer_key', target='request')
        if not request_token_id:
            raise exception.ValidationError(
                attribute='oauth_token', target='request')
        if not oauth_verifier:
            raise exception.ValidationError(
                attribute='oauth_verifier', target='request')

        req_token = self.oauth_api.get_request_token(
            request_token_id)

        expires_at = req_token['expires_at']
        if expires_at:
            now = timeutils.utcnow()
            expires = timeutils.normalize_time(
                timeutils.parse_isotime(expires_at))
            if now > expires:
                raise exception.Unauthorized(_('Request token is expired'))

        url = oauth1.rebuild_url(context['path'])

        access_verifier = oauth1.AccessTokenEndpoint(
            request_validator=validator.OAuthValidator(),
            token_generator=oauth1.token_generator)
        h, b, s = access_verifier.create_access_token_response(
            url,
            http_method='POST',
            body=context['query_string'],
            headers=headers)
        params = oauth1.extract_non_oauth_params(b)
        if len(params) != 0:
            msg = _('There should not be any non-oauth parameters')
            raise exception.Unauthorized(message=msg)

        if req_token['consumer_id'] != consumer_id:
            msg = _('provided consumer key does not match stored consumer key')
            raise exception.Unauthorized(message=msg)

        if req_token['verifier'] != oauth_verifier:
            msg = _('provided verifier does not match stored verifier')
            raise exception.Unauthorized(message=msg)

        if req_token['id'] != request_token_id:
            msg = _('provided request key does not match stored request key')
            raise exception.Unauthorized(message=msg)

        if not req_token.get('authorizing_user_id'):
            msg = _('Request Token does not have an authorizing user id')
            raise exception.Unauthorized(message=msg)

        access_token_duration = CONF.oauth1.access_token_duration
        token_ref = self.oauth_api.create_access_token(request_token_id,
                                                       access_token_duration)

        result = ('oauth_token=%(key)s&oauth_token_secret=%(secret)s'
                  % {'key': token_ref['id'],
                     'secret': token_ref['access_secret']})

        if CONF.oauth1.access_token_duration:
            expiry_bit = '&oauth_expires_at=%s' % (token_ref['expires_at'])
            result += expiry_bit

        headers = [('Content-Type', 'application/x-www-urlformencoded')]
        response = wsgi.render_response(result,
                                        status=(201, 'Created'),
                                        headers=headers)

        return response