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Allow registering invalid user IDs with admin API

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This commit is contained in:
Tulir Asokan 2020-11-18 01:13:27 +02:00
parent c79b058cff
commit 5ec53ac808
1 changed files with 27 additions and 21 deletions
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48
synapse/handlers/register.py
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@ -70,22 +70,24 @@ class RegistrationHandler(BaseHandler):
self.session_lifetime = hs.config.session_lifetime
async def check_username(
self, localpart, guest_access_token=None, assigned_user_id=None
self, localpart, guest_access_token=None, assigned_user_id=None, allow_invalid=False
):
if types.contains_invalid_mxid_characters(localpart):
raise SynapseError(
400,
"User ID can only contain characters a-z, 0-9, or '=_-./'",
Codes.INVALID_USERNAME,
)
# meow: allow admins to register invalid user ids
if not allow_invalid:
if types.contains_invalid_mxid_characters(localpart):
raise SynapseError(
400,
"User ID can only contain characters a-z, 0-9, or '=_-./'",
Codes.INVALID_USERNAME,
)
if not localpart:
raise SynapseError(400, "User ID cannot be empty", Codes.INVALID_USERNAME)
if not localpart:
raise SynapseError(400, "User ID cannot be empty", Codes.INVALID_USERNAME)
if localpart[0] == "_":
raise SynapseError(
400, "User ID may not begin with _", Codes.INVALID_USERNAME
)
if localpart[0] == "_":
raise SynapseError(
400, "User ID may not begin with _", Codes.INVALID_USERNAME
)
user = UserID(localpart, self.hs.hostname)
user_id = user.to_string()
@ -99,14 +101,16 @@ class RegistrationHandler(BaseHandler):
"A different user ID has already been registered for this session",
)
self.check_user_id_not_appservice_exclusive(user_id)
# meow: allow admins to register reserved user ids and long user ids
if not allow_invalid:
self.check_user_id_not_appservice_exclusive(user_id)
if len(user_id) > MAX_USERID_LENGTH:
raise SynapseError(
400,
"User ID may not be longer than %s characters" % (MAX_USERID_LENGTH,),
Codes.INVALID_USERNAME,
)
if len(user_id) > MAX_USERID_LENGTH:
raise SynapseError(
400,
"User ID may not be longer than %s characters" % (MAX_USERID_LENGTH,),
Codes.INVALID_USERNAME,
)
users = await self.store.get_users_by_id_case_insensitive(user_id)
if users:
@ -200,7 +204,9 @@ class RegistrationHandler(BaseHandler):
await self.auth.check_auth_blocking(threepid=threepid)
if localpart is not None:
await self.check_username(localpart, guest_access_token=guest_access_token)
allow_invalid = by_admin and self.hs.config.meow.admin_api_register_invalid
await self.check_username(localpart, guest_access_token=guest_access_token,
allow_invalid=allow_invalid)
was_guest = guest_access_token is not None