diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index c983d444e8..1ab19cd1a6 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -163,7 +163,8 @@ class AuthHandler(BaseHandler):
if not user_id.startswith('@'):
user_id = UserID.create(user_id, self.hs.hostname).to_string()
- yield self._check_password(user_id, password)
+ user_id, password_hash = yield self._find_user_id_and_pwd_hash(user_id)
+ self._check_password(user_id, password, password_hash)
defer.returnValue(user_id)
@defer.inlineCallbacks
@@ -280,27 +281,49 @@ class AuthHandler(BaseHandler):
password (str): Password
Returns:
A tuple of:
+ The user's ID.
The access token for the user's session.
The refresh token for the user's session.
Raises:
StoreError if there was a problem storing the token.
LoginError if there was an authentication problem.
"""
- yield self._check_password(user_id, password)
+ user_id, password_hash = yield self._find_user_id_and_pwd_hash(user_id)
+ self._check_password(user_id, password, password_hash)
+
logger.info("Logging in user %s", user_id)
access_token = yield self.issue_access_token(user_id)
refresh_token = yield self.issue_refresh_token(user_id)
- defer.returnValue((access_token, refresh_token))
+ defer.returnValue((user_id, access_token, refresh_token))
@defer.inlineCallbacks
- def _check_password(self, user_id, password):
- """Checks that user_id has passed password, raises LoginError if not."""
- user_info = yield self.store.get_user_by_id(user_id=user_id)
- if not user_info:
+ def _find_user_id_and_pwd_hash(self, user_id):
+ """Checks to see if a user with the given id exists. Will check case
+ insensitively, but will throw if there are multiple inexact matches.
+
+ Returns:
+ tuple: A 2-tuple of `(canonical_user_id, password_hash)`
+ """
+ user_infos = yield self.store.get_users_by_id_case_insensitive(user_id)
+ if not user_infos:
logger.warn("Attempted to login as %s but they do not exist", user_id)
raise LoginError(403, "", errcode=Codes.FORBIDDEN)
- stored_hash = user_info["password_hash"]
+ if len(user_infos) > 1:
+ if user_id not in user_infos:
+ logger.warn(
+ "Attempted to login as %s but it matches more than one user "
+ "inexactly: %r",
+ user_id, user_infos.keys()
+ )
+ raise LoginError(403, "", errcode=Codes.FORBIDDEN)
+
+ defer.returnValue((user_id, user_infos[user_id]))
+ else:
+ defer.returnValue(user_infos.popitem())
+
+ def _check_password(self, user_id, password, stored_hash):
+ """Checks that user_id has passed password, raises LoginError if not."""
if not bcrypt.checkpw(password, stored_hash):
logger.warn("Failed password login for user %s", user_id)
raise LoginError(403, "", errcode=Codes.FORBIDDEN)
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index 3d1b6531c2..56d125f753 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -56,8 +56,8 @@ class RegistrationHandler(BaseHandler):
yield self.check_user_id_is_valid(user_id)
- u = yield self.store.get_user_by_id(user_id)
- if u:
+ users = yield self.store.get_users_by_id_case_insensitive(user_id)
+ if users:
raise SynapseError(
400,
"User ID already taken.",
|