From 11597ddea5c43fdd2c6593b6bf4619a7bbdf3122 Mon Sep 17 00:00:00 2001 From: Adrian Tschira Date: Fri, 30 Mar 2018 23:59:02 +0200 Subject: [PATCH] improve mxid check performance ~4x Signed-off-by: Adrian Tschira --- synapse/types.py | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/synapse/types.py b/synapse/types.py index 7cb24cecb..f1f41ccf9 100644 --- a/synapse/types.py +++ b/synapse/types.py @@ -12,11 +12,11 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. -import string from synapse.api.errors import SynapseError from collections import namedtuple +import re class Requester(namedtuple("Requester", [ @@ -214,7 +214,8 @@ class GroupID(DomainSpecificString): return group_id -mxid_localpart_allowed_characters = set("_-./=" + string.ascii_lowercase + string.digits) +# A regex that matches any valid mxid characters +MXID_LOCALPART_REGEX = re.compile("^[_\-./=a-z0-9]*$") def contains_invalid_mxid_characters(localpart): @@ -226,7 +227,7 @@ def contains_invalid_mxid_characters(localpart): Returns: bool: True if there are any naughty characters """ - return any(c not in mxid_localpart_allowed_characters for c in localpart) + return not MXID_LOCALPART_REGEX.match(localpart) class StreamToken(