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] 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 000000000..341f00e71
--- /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"]],
+    )