From 6de799422db434bab4c687cbb465cfb730601d86 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 4 Feb 2015 17:39:38 +0000
Subject: [PATCH 1/4] Mention new pydenticon dep.

---
 CHANGES.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CHANGES.rst b/CHANGES.rst
index 297ae914fd..922fa5b035 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,8 @@
+Changes in develop
+==================
+
+ * pydenticon support -- adds dep on pydenticon
+
 Changes in synapse 0.6.1 (2015-01-07)
 =====================================
 

From f292ad4b2bc8fbd3d86f26236714cff53c47e9c2 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 4 Feb 2015 18:09:18 +0000
Subject: [PATCH 2/4] Add script to check and auth chain and current state of a
 room

---
 scripts/check_auth.py | 65 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 scripts/check_auth.py

diff --git a/scripts/check_auth.py b/scripts/check_auth.py
new file mode 100644
index 0000000000..341f00e719
--- /dev/null
+++ b/scripts/check_auth.py
@@ -0,0 +1,65 @@
+from synapse.events import FrozenEvent
+from synapse.api.auth import Auth
+
+from mock import Mock
+
+import argparse
+import itertools
+import json
+import sys
+
+
+
+def check_auth(auth, auth_chain, events):
+    auth_chain.sort(key=lambda e: e.depth)
+
+    auth_map = {
+        e.event_id: e
+        for e in auth_chain
+    }
+
+    create_events = {}
+    for e in auth_chain:
+        if e.type == "m.room.create":
+            create_events[e.room_id] = e
+
+    for e in itertools.chain(auth_chain, events):
+        auth_events_list = [auth_map[i] for i, _ in e.auth_events]
+
+        auth_events = {
+            (e.type, e.state_key): e
+            for e in auth_events_list
+        }
+
+        auth_events[("m.room.create", "")] = create_events[e.room_id]
+
+        try:
+            auth.check(e, auth_events=auth_events)
+        except Exception as ex:
+            print "Failed:", e.event_id, e.type, e.state_key
+            print ex
+            print json.dumps(e.get_dict(), sort_keys=True, indent=4)
+            # raise
+        print "Success:", e.event_id, e.type, e.state_key
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument(
+        'json',
+        nargs='?',
+        type=argparse.FileType('r'),
+        default=sys.stdin,
+    )
+
+    args = parser.parse_args()
+
+    js = json.load(args.json)
+
+
+    auth = Auth(Mock())
+    check_auth(
+        auth,
+        [FrozenEvent(d) for d in js["auth_chain"]],
+        [FrozenEvent(d) for d in js["pdus"]],
+    )

From 6a7e168009b6631fb7deb6bac5351085e993e620 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Thu, 5 Feb 2015 11:25:20 +0000
Subject: [PATCH 3/4] Print out the auth events on failure

---
 scripts/check_auth.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/check_auth.py b/scripts/check_auth.py
index 341f00e719..b889ac7fa7 100644
--- a/scripts/check_auth.py
+++ b/scripts/check_auth.py
@@ -9,7 +9,6 @@ import json
 import sys
 
 
-
 def check_auth(auth, auth_chain, events):
     auth_chain.sort(key=lambda e: e.depth)
 
@@ -37,6 +36,7 @@ def check_auth(auth, auth_chain, events):
             auth.check(e, auth_events=auth_events)
         except Exception as ex:
             print "Failed:", e.event_id, e.type, e.state_key
+            print "Auth_events:", auth_events
             print ex
             print json.dumps(e.get_dict(), sort_keys=True, indent=4)
             # raise

From 26a041541baed887dc069c3667a86ddef81802bc Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Thu, 5 Feb 2015 13:17:05 +0000
Subject: [PATCH 4/4] SYN-202: Log as WARN the 404 'Presence information not
 visible' errors instead of as ERROR since they were spamming the logs

---
 synapse/handlers/message.py | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 6fbd2af4ab..3f51f38f18 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -16,7 +16,7 @@
 from twisted.internet import defer
 
 from synapse.api.constants import EventTypes, Membership
-from synapse.api.errors import RoomError
+from synapse.api.errors import RoomError, SynapseError
 from synapse.streams.config import PaginationConfig
 from synapse.events.utils import serialize_event
 from synapse.events.validator import EventValidator
@@ -372,10 +372,17 @@ class MessageHandler(BaseHandler):
                     as_event=True,
                 )
                 presence.append(member_presence)
-            except Exception:
-                logger.exception(
-                    "Failed to get member presence of %r", m.user_id
-                )
+            except SynapseError as e:
+                if e.code == 404:
+                    # FIXME: We are doing this as a warn since this gets hit a
+                    # lot and spams the logs. Why is this happening?
+                    logger.warn(
+                        "Failed to get member presence of %r", m.user_id
+                    )
+                else:
+                    logger.exception(
+                        "Failed to get member presence of %r", m.user_id
+                    )
 
         time_now = self.clock.time_msec()