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authorErik Johnston <erik@matrix.org>2017-05-18 13:54:27 +0100
committerErik Johnston <erik@matrix.org>2017-05-18 13:54:27 +0100
commit3accee1a8c2804620713ac4ff068a4a18a7de192 (patch)
tree5bfad3c1e8653713f8e14062732f892797279a92 /synapse/handlers/register.py
parentMerge pull request #2136 from bbigras/patch-1 (diff)
parentBump changelog and version (diff)
downloadsynapse-3accee1a8c2804620713ac4ff068a4a18a7de192.tar.xz
Merge branch 'release-v0.21.0' of github.com:matrix-org/synapse v0.21.0
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 03c6a85fc6..ee3a2269a8 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -54,6 +54,13 @@ class RegistrationHandler(BaseHandler):
                 Codes.INVALID_USERNAME
             )
 
+        if not localpart:
+            raise SynapseError(
+                400,
+                "User ID cannot be empty",
+                Codes.INVALID_USERNAME
+            )
+
         if localpart[0] == '_':
             raise SynapseError(
                 400,