diff options
Diffstat (limited to 'synapse/handlers/device.py')
| -rw-r--r-- | synapse/handlers/device.py | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index 55a9787439..4149520d6c 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -20,6 +20,7 @@ from typing import Any, Dict, List, Optional from synapse.api import errors from synapse.api.constants import EventTypes from synapse.api.errors import ( + Codes, FederationDeniedError, HttpResponseException, RequestSendFailed, @@ -265,6 +266,24 @@ class DeviceHandler(DeviceWorkerHandler): hs.get_distributor().observe("user_left_room", self.user_left_room) + def _check_device_name_length(self, name: str): + """ + Checks whether a device name is longer than the maximum allowed length. + + Args: + name: The name of the device. + + Raises: + SynapseError: if the device name is too long. + """ + if name and len(name) > MAX_DEVICE_DISPLAY_NAME_LEN: + raise SynapseError( + 400, + "Device display name is too long (max %i)" + % (MAX_DEVICE_DISPLAY_NAME_LEN,), + errcode=Codes.TOO_LARGE, + ) + async def check_device_registered( self, user_id, device_id, initial_device_display_name=None ): @@ -282,6 +301,9 @@ class DeviceHandler(DeviceWorkerHandler): Returns: str: device id (generated if none was supplied) """ + + self._check_device_name_length(initial_device_display_name) + if device_id is not None: new_device = await self.store.store_device( user_id=user_id, @@ -397,12 +419,8 @@ class DeviceHandler(DeviceWorkerHandler): # Reject a new displayname which is too long. new_display_name = content.get("display_name") - if new_display_name and len(new_display_name) > MAX_DEVICE_DISPLAY_NAME_LEN: - raise SynapseError( - 400, - "Device display name is too long (max %i)" - % (MAX_DEVICE_DISPLAY_NAME_LEN,), - ) + + self._check_device_name_length(new_display_name) try: await self.store.update_device( |