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Merge pull request #572 from matrix-org/daniel/exclusivity

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Enforce user_id exclusivity for AS registrations
This commit is contained in:
Daniel Wagner-Hall 2016-02-11 17:42:53 +00:00
commit ee4f332ec5
1 changed files with 12 additions and 5 deletions
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17
synapse/handlers/register.py
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@ -60,7 +60,7 @@ class RegistrationHandler(BaseHandler):
user = UserID(localpart, self.hs.hostname)
user_id = user.to_string()
yield self.check_user_id_is_valid(user_id)
yield self.check_user_id_not_appservice_exclusive(user_id)
users = yield self.store.get_users_by_id_case_insensitive(user_id)
if users:
@ -145,7 +145,7 @@ class RegistrationHandler(BaseHandler):
localpart = yield self._generate_user_id(attempts > 0)
user = UserID(localpart, self.hs.hostname)
user_id = user.to_string()
yield self.check_user_id_is_valid(user_id)
yield self.check_user_id_not_appservice_exclusive(user_id)
if generate_token:
token = self.auth_handler().generate_access_token(user_id)
try:
@ -180,6 +180,11 @@ class RegistrationHandler(BaseHandler):
400, "Invalid user localpart for this application service.",
errcode=Codes.EXCLUSIVE
)
yield self.check_user_id_not_appservice_exclusive(
user_id, allowed_appservice=service
)
token = self.auth_handler().generate_access_token(user_id)
yield self.store.register(
user_id=user_id,
@ -226,7 +231,7 @@ class RegistrationHandler(BaseHandler):
user = UserID(localpart, self.hs.hostname)
user_id = user.to_string()
yield self.check_user_id_is_valid(user_id)
yield self.check_user_id_not_appservice_exclusive(user_id)
token = self.auth_handler().generate_access_token(user_id)
try:
yield self.store.register(
@ -278,12 +283,14 @@ class RegistrationHandler(BaseHandler):
yield identity_handler.bind_threepid(c, user_id)
@defer.inlineCallbacks
def check_user_id_is_valid(self, user_id):
def check_user_id_not_appservice_exclusive(self, user_id, allowed_appservice=None):
# valid user IDs must not clash with any user ID namespaces claimed by
# application services.
services = yield self.store.get_app_services()
interested_services = [
s for s in services if s.is_interested_in_user(user_id)
s for s in services
if s.is_interested_in_user(user_id)
and s != allowed_appservice
]
for service in interested_services:
if service.is_exclusive_user(user_id):