From 28f71ecf0da6e162f1f3aeb03a80723f9ff1fdd6 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 16 Dec 2014 17:29:22 +0000
Subject: [PATCH] Change upgrade script to not check hashes or signatures

---
 scripts/upgrade_db_to_v0.6.0.py | 99 ++++++++++++++++++---------------
 1 file changed, 53 insertions(+), 46 deletions(-)

diff --git a/scripts/upgrade_db_to_v0.6.0.py b/scripts/upgrade_db_to_v0.6.0.py
index 32c415a66..298e9c078 100644
--- a/scripts/upgrade_db_to_v0.6.0.py
+++ b/scripts/upgrade_db_to_v0.6.0.py
@@ -21,7 +21,7 @@ from syutil.crypto.signing_key import decode_verify_key_bytes
 from syutil.jsonutil import encode_canonical_json
 
 import argparse
-import dns.resolver
+# import dns.resolver
 import hashlib
 import httplib
 import json
@@ -147,44 +147,44 @@ class Store(object):
 store = Store()
 
 
-def get_key(server_name):
-    print "Getting keys for: %s" % (server_name,)
-    targets = []
-    if ":" in server_name:
-        target, port = server_name.split(":")
-        targets.append((target, int(port)))
-    try:
-        answers = dns.resolver.query("_matrix._tcp." + server_name, "SRV")
-        for srv in answers:
-            targets.append((srv.target, srv.port))
-    except dns.resolver.NXDOMAIN:
-        targets.append((server_name, 8448))
-    except:
-        print "Failed to lookup keys for %s" % (server_name,)
-        return {}
-
-    for target, port in targets:
-        url = "https://%s:%i/_matrix/key/v1" % (target, port)
-        try:
-            keys = json.load(urllib2.urlopen(url, timeout=2))
-            verify_keys = {}
-            for key_id, key_base64 in keys["verify_keys"].items():
-                verify_key = decode_verify_key_bytes(
-                    key_id, decode_base64(key_base64)
-                )
-                verify_signed_json(keys, server_name, verify_key)
-                verify_keys[key_id] = verify_key
-            print "Got keys for: %s" % (server_name,)
-            return verify_keys
-        except urllib2.URLError:
-            pass
-        except urllib2.HTTPError:
-            pass
-        except httplib.HTTPException:
-            pass
-
-    print "Failed to get keys for %s" % (server_name,)
-    return {}
+# def get_key(server_name):
+#     print "Getting keys for: %s" % (server_name,)
+#     targets = []
+#     if ":" in server_name:
+#         target, port = server_name.split(":")
+#         targets.append((target, int(port)))
+#     try:
+#         answers = dns.resolver.query("_matrix._tcp." + server_name, "SRV")
+#         for srv in answers:
+#             targets.append((srv.target, srv.port))
+#     except dns.resolver.NXDOMAIN:
+#         targets.append((server_name, 8448))
+#     except:
+#         print "Failed to lookup keys for %s" % (server_name,)
+#         return {}
+#
+#     for target, port in targets:
+#         url = "https://%s:%i/_matrix/key/v1" % (target, port)
+#         try:
+#             keys = json.load(urllib2.urlopen(url, timeout=2))
+#             verify_keys = {}
+#             for key_id, key_base64 in keys["verify_keys"].items():
+#                 verify_key = decode_verify_key_bytes(
+#                     key_id, decode_base64(key_base64)
+#                 )
+#                 verify_signed_json(keys, server_name, verify_key)
+#                 verify_keys[key_id] = verify_key
+#             print "Got keys for: %s" % (server_name,)
+#             return verify_keys
+#         except urllib2.URLError:
+#             pass
+#         except urllib2.HTTPError:
+#             pass
+#         except httplib.HTTPException:
+#             pass
+#
+#     print "Failed to get keys for %s" % (server_name,)
+#     return {}
 
 
 def reinsert_events(cursor, server_name, signing_key):
@@ -219,13 +219,20 @@ def reinsert_events(cursor, server_name, signing_key):
         }
     }
 
+    i = 0
+    N = len(events)
+
     for event in events:
-        for alg_name in event.hashes:
-            if check_event_content_hash(event, algorithms[alg_name]):
-                pass
-            else:
-                pass
-                print "FAIL content hash %s %s" % (alg_name, event.event_id, )
+        if i % 100 == 0:
+            print "Processed: %d/%d events" % (i,N,)
+        i += 1
+
+        # for alg_name in event.hashes:
+        #     if check_event_content_hash(event, algorithms[alg_name]):
+        #         pass
+        #     else:
+        #         pass
+        #         print "FAIL content hash %s %s" % (alg_name, event.event_id, )
 
         have_own_correctly_signed = False
         for host, sigs in event.signatures.items():
@@ -233,7 +240,7 @@ def reinsert_events(cursor, server_name, signing_key):
 
             for key_id in sigs:
                 if host not in server_keys:
-                    server_keys[host] = get_key(host)
+                    server_keys[host] = {}  # get_key(host)
                 if key_id in server_keys[host]:
                     try:
                         verify_signed_json(