From efff39c03013f4cd5303466440d84484f338cb57 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Mon, 20 Feb 2017 14:54:50 +0000
Subject: [PATCH 1/3] Fix /context/ visibiltiy rules

---
 synapse/handlers/room.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 7e7671c9a..73bc73a45 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -375,12 +375,15 @@ class RoomContextHandler(BaseHandler):
 
         now_token = yield self.hs.get_event_sources().get_current_token()
 
+        users = yield self.store.get_users_in_room(room_id)
+        is_peeking = user.to_string() not in users
+
         def filter_evts(events):
             return filter_events_for_client(
                 self.store,
                 user.to_string(),
                 events,
-                is_peeking=is_guest
+                is_peeking=is_peeking
             )
 
         event = yield self.store.get_event(event_id, get_prev_content=True,

From 6226a27bf8ff4a427888110dd9d05ea969885003 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Mon, 20 Feb 2017 15:02:01 +0000
Subject: [PATCH 2/3] Remove unused param

---
 synapse/handlers/room.py       | 2 +-
 synapse/rest/client/v1/room.py | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 73bc73a45..99cb7db0d 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -356,7 +356,7 @@ class RoomCreationHandler(BaseHandler):
 
 class RoomContextHandler(BaseHandler):
     @defer.inlineCallbacks
-    def get_event_context(self, user, room_id, event_id, limit, is_guest):
+    def get_event_context(self, user, room_id, event_id, limit):
         """Retrieves events, pagination tokens and state around a given event
         in a room.
 
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 2ebf5e59a..6554f57df 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -505,7 +505,6 @@ class RoomEventContext(ClientV1RestServlet):
             room_id,
             event_id,
             limit,
-            requester.is_guest,
         )
 
         if not results:

From 30ecfef5a394a6ce1537c171b230d51d0e79197a Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 21 Feb 2017 13:35:30 +0000
Subject: [PATCH 3/3] Bump version and changelog

---
 CHANGES.rst         | 7 +++++++
 synapse/__init__.py | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/CHANGES.rst b/CHANGES.rst
index 22aa7cb9b..c8856d957 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,10 @@
+Changes in synapse v0.19.2 (2017-02-20)
+=======================================
+
+* Fix bug with event visibility check in /context/ API. Thanks to Tokodomo for
+  pointing it out! (PR #1929)
+
+
 Changes in synapse v0.19.1 (2017-02-09)
 =======================================
 
diff --git a/synapse/__init__.py b/synapse/__init__.py
index da8ef90a7..ff251ce59 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.19.1"
+__version__ = "0.19.2"