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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2018-04-04 10:19:52 +0100
committerGitHub <noreply@github.com>2018-04-04 10:19:52 +0100
commit39ce38b024c8f2b140e2ecae492d3577508e8325 (patch)
treeb2b081250d24d7ecc21871a29a0edf373b676936
parentMerge pull request #3049 from matrix-org/rav/use_staticjson (diff)
parentimprove mxid check performance ~4x (diff)
downloadsynapse-39ce38b024c8f2b140e2ecae492d3577508e8325.tar.xz
Merge pull request #3053 from NotAFile/speedup-mxid-check
improve mxid check performance
-rw-r--r--synapse/types.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/synapse/types.py b/synapse/types.py
index 7cb24cecb2..f1f41ccf90 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(