From a2a6c1c22f270047fe23a96011b3675366ed6d96 Mon Sep 17 00:00:00 2001 From: Kegan Dougal Date: Mon, 21 Nov 2016 13:13:55 +0000 Subject: [PATCH] Fail with a coherent error message if `/sync?filter=` is invalid --- synapse/api/errors.py | 1 + synapse/storage/filtering.py | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/synapse/api/errors.py b/synapse/api/errors.py index 0041646858..921c457738 100644 --- a/synapse/api/errors.py +++ b/synapse/api/errors.py @@ -39,6 +39,7 @@ class Codes(object): CAPTCHA_NEEDED = "M_CAPTCHA_NEEDED" CAPTCHA_INVALID = "M_CAPTCHA_INVALID" MISSING_PARAM = "M_MISSING_PARAM" + INVALID_PARAM = "M_INVALID_PARAM" TOO_LARGE = "M_TOO_LARGE" EXCLUSIVE = "M_EXCLUSIVE" THREEPID_AUTH_FAILED = "M_THREEPID_AUTH_FAILED" diff --git a/synapse/storage/filtering.py b/synapse/storage/filtering.py index 5248736816..a2ccc66ea7 100644 --- a/synapse/storage/filtering.py +++ b/synapse/storage/filtering.py @@ -16,6 +16,7 @@ from twisted.internet import defer from ._base import SQLBaseStore +from synapse.api.errors import SynapseError, Codes from synapse.util.caches.descriptors import cachedInlineCallbacks import simplejson as json @@ -24,6 +25,13 @@ import simplejson as json class FilteringStore(SQLBaseStore): @cachedInlineCallbacks(num_args=2) def get_user_filter(self, user_localpart, filter_id): + # filter_id is BIGINT UNSIGNED, so if it isn't a number, fail + # with a coherent error message rather than 500 M_UNKNOWN. + try: + int(filter_id) + except ValueError: + raise SynapseError(400, "Invalid filter ID", Codes.INVALID_PARAM) + def_json = yield self._simple_select_one_onecol( table="user_filters", keyvalues={