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authorPaul Evans <leonerd@leonerd.org.uk>2016-07-29 14:10:45 +0100
committerGitHub <noreply@github.com>2016-07-29 14:10:45 +0100
commit18b7eb830b584398517ba84035c34ff90634f919 (patch)
tree504038d37d1102d2d0fc51adabf274060178ce61 /synapse/handlers/register.py
parentMerge pull request #964 from matrix-org/erikj/fed_join_fix (diff)
parentForbid non-ASes from registering users whose names begin with '_' (SYN-738) (diff)
downloadsynapse-18b7eb830b584398517ba84035c34ff90634f919.tar.xz
Merge pull request #958 from matrix-org/paul/SYN-738
Forbid non-ASes from registering users whose names begin with '_'
Diffstat (limited to 'synapse/handlers/register.py')
-rw-r--r--synapse/handlers/register.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index b9b5880d64..dd75c4fecf 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -53,6 +53,13 @@ class RegistrationHandler(BaseHandler):
                 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()