diff options
| -rw-r--r-- | synapse/api/auth.py | 25 | ||||
| -rw-r--r-- | synapse/rest/client/v1/pusher.py | 55 |
2 files changed, 70 insertions, 10 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 2474a1453b..2ece59bb19 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -13,7 +13,6 @@ # See the License for the specific language governing permissions and # limitations under the License. -"""This module contains classes for authenticating the user.""" from canonicaljson import encode_canonical_json from signedjson.key import decode_verify_key_bytes from signedjson.sign import verify_signed_json, SignatureVerifyException @@ -42,13 +41,20 @@ AuthEventTypes = ( class Auth(object): - + """ + FIXME: This class contains a mix of functions for authenticating users + of our client-server API and authenticating events added to room graphs. + """ def __init__(self, hs): self.hs = hs self.clock = hs.get_clock() self.store = hs.get_datastore() self.state = hs.get_state_handler() self.TOKEN_NOT_FOUND_HTTP_STATUS = 401 + # Docs for these currently lives at + # https://github.com/matrix-org/matrix-doc/blob/master/drafts/macaroons_caveats.rst + # In addition, we have type == delete_pusher which grants access only to + # delete pushers. self._KNOWN_CAVEAT_PREFIXES = set([ "gen = ", "guest = ", @@ -507,7 +513,7 @@ class Auth(object): return default @defer.inlineCallbacks - def get_user_by_req(self, request, allow_guest=False): + def get_user_by_req(self, request, allow_guest=False, rights="access"): """ Get a registered user's ID. Args: @@ -529,7 +535,7 @@ class Auth(object): ) access_token = request.args["access_token"][0] - user_info = yield self.get_user_by_access_token(access_token) + user_info = yield self.get_user_by_access_token(access_token, rights) user = user_info["user"] token_id = user_info["token_id"] is_guest = user_info["is_guest"] @@ -590,7 +596,7 @@ class Auth(object): defer.returnValue(user_id) @defer.inlineCallbacks - def get_user_by_access_token(self, token): + def get_user_by_access_token(self, token, rights="access"): """ Get a registered user's ID. Args: @@ -601,7 +607,7 @@ class Auth(object): AuthError if no user by that token exists or the token is invalid. """ try: - ret = yield self.get_user_from_macaroon(token) + ret = yield self.get_user_from_macaroon(token, rights) except AuthError: # TODO(daniel): Remove this fallback when all existing access tokens # have been re-issued as macaroons. @@ -609,11 +615,11 @@ class Auth(object): defer.returnValue(ret) @defer.inlineCallbacks - def get_user_from_macaroon(self, macaroon_str): + def get_user_from_macaroon(self, macaroon_str, rights="access"): try: macaroon = pymacaroons.Macaroon.deserialize(macaroon_str) - self.validate_macaroon(macaroon, "access", self.hs.config.expire_access_token) + self.validate_macaroon(macaroon, rights, self.hs.config.expire_access_token) user_prefix = "user_id = " user = None @@ -667,7 +673,8 @@ class Auth(object): Args: macaroon(pymacaroons.Macaroon): The macaroon to validate - type_string(str): The kind of token this is (e.g. "access", "refresh") + type_string(str): The kind of token required (e.g. "access", "refresh", + "delete_pusher") verify_expiry(bool): Whether to verify whether the macaroon has expired. This should really always be True, but no clients currently implement token refresh, so we can't enforce expiry yet. diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py index ab928a16da..fa7a0992dd 100644 --- a/synapse/rest/client/v1/pusher.py +++ b/synapse/rest/client/v1/pusher.py @@ -17,7 +17,11 @@ from twisted.internet import defer from synapse.api.errors import SynapseError, Codes from synapse.push import PusherConfigException -from synapse.http.servlet import parse_json_object_from_request +from synapse.http.servlet import ( + parse_json_object_from_request, parse_string, RestServlet +) +from synapse.http.server import finish_request +from synapse.api.errors import StoreError from .base import ClientV1RestServlet, client_path_patterns @@ -136,6 +140,55 @@ class PushersSetRestServlet(ClientV1RestServlet): return 200, {} +class PushersRemoveRestServlet(RestServlet): + """ + To allow pusher to be delete by clicking a link (ie. GET request) + """ + PATTERNS = client_path_patterns("/pushers/remove$") + SUCCESS_HTML = "<html><body>You have been unsubscribed</body><html>" + + def __init__(self, hs): + super(RestServlet, self).__init__() + self.notifier = hs.get_notifier() + + @defer.inlineCallbacks + def on_GET(self, request): + requester = yield self.auth.get_user_by_req(request, "delete_pusher") + user = requester.user + + app_id = parse_string(request, "app_id", required=True) + pushkey = parse_string(request, "pushkey", required=True) + + pusher_pool = self.hs.get_pusherpool() + + try: + yield pusher_pool.remove_pusher( + app_id=app_id, + pushkey=pushkey, + user_id=user.to_string(), + ) + except StoreError as se: + if se.code != 404: + # This is fine: they're already unsubscribed + raise + + self.notifier.on_new_replication_data() + + request.setResponseCode(200) + request.setHeader(b"Content-Type", b"text/html; charset=utf-8") + request.setHeader(b"Server", self.hs.version_string) + request.setHeader(b"Content-Length", b"%d" % ( + len(PushersRemoveRestServlet.SUCCESS_HTML), + )) + request.write(PushersRemoveRestServlet.SUCCESS_HTML) + finish_request(request) + defer.returnValue(None) + + def on_OPTIONS(self, _): + return 200, {} + + def register_servlets(hs, http_server): PushersRestServlet(hs).register(http_server) PushersSetRestServlet(hs).register(http_server) + PushersRemoveRestServlet(hs).register(http_server) |