From a4f52a33fefc537eeb1829773f2dbdbdaa246d1f Mon Sep 17 00:00:00 2001
From: Erik Johnston <erikj@jki.re>
Date: Wed, 30 Jan 2019 14:19:52 +0000
Subject: [PATCH] Fix replication for room v3 (#4523)

* Fix replication for room v3

We were not correctly quoting the path fragments over http replication,
which meant that it exploded when the event IDs had a slash in them

* Newsfile
---
 changelog.d/4523.feature          | 1 +
 synapse/replication/http/_base.py | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)
 create mode 100644 changelog.d/4523.feature

diff --git a/changelog.d/4523.feature b/changelog.d/4523.feature
new file mode 100644
index 0000000000..9538c64f08
--- /dev/null
+++ b/changelog.d/4523.feature
@@ -0,0 +1 @@
+Add support for room version 3
diff --git a/synapse/replication/http/_base.py b/synapse/replication/http/_base.py
index 5e5376cf58..e81456ab2b 100644
--- a/synapse/replication/http/_base.py
+++ b/synapse/replication/http/_base.py
@@ -127,7 +127,10 @@ class ReplicationEndpoint(object):
         def send_request(**kwargs):
             data = yield cls._serialize_payload(**kwargs)
 
-            url_args = [urllib.parse.quote(kwargs[name]) for name in cls.PATH_ARGS]
+            url_args = [
+                urllib.parse.quote(kwargs[name], safe='')
+                for name in cls.PATH_ARGS
+            ]
 
             if cls.CACHE:
                 txn_id = random_string(10)
-- 
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