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Code Issues Releases Wiki Activity

WIP on unsubscribing email notifs without logging in

pull/821/head
David Baker 2016-06-01 17:40:52 +01:00
parent 00c487a8db
commit 991af8b0d6
2 changed files with 70 additions and 10 deletions
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25
synapse/api/auth.py
View File

@ -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.

55
synapse/rest/client/v1/pusher.py
View File

@ -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)