Fix unicode database support

synapse/app/homeserver.py

@@ -110,14 +110,12 @@ class SynapseHomeServer(HomeServer):
             return None
 
     def build_db_pool(self):
-        name = self.db_config.pop("name", None)
+        name = self.db_config["name"]
-        if name == "MySQLdb":
-            return adbapi.ConnectionPool(
-                name,
-                **self.db_config
-            )
 
-        raise RuntimeError("Unsupported database type")
+        return adbapi.ConnectionPool(
+            name,
+            **self.db_config.get("args", {})
+        )
 
     def create_resource_tree(self, redirect_root_to_web_client):
         """Create the resource tree for this Home Server.
@@ -323,7 +321,7 @@ def change_resource_limit(soft_file_no):
         resource.setrlimit(resource.RLIMIT_NOFILE, (soft_file_no, hard))
 
         logger.info("Set file limit to: %d", soft_file_no)
-    except (ValueError, resource.error) as e:
+    except (   ValueError, resource.error) as e:
         logger.warn("Failed to set file limit: %s", e)
 
 
@@ -363,20 +361,33 @@ def setup(config_options):
     if config.database_config:
         with open(config.database_config, 'r') as f:
             db_config = yaml.safe_load(f)
-
-        name = db_config.get("name", None)
-        if name == "MySQLdb":
-            db_config.update({
-                "sql_mode": "TRADITIONAL",
-                "charset": "utf8",
-                "use_unicode": True,
-            })
     else:
         db_config = {
             "name": "sqlite3",
             "database": config.database_path,
         }
 
+    db_config = {
+        k: v for k, v in db_config.items()
+        if not k.startswith("cp_")
+    }
+
+    name = db_config.get("name", None)
+    if name in ["MySQLdb", "mysql.connector"]:
+        db_config.setdefault("args", {}).update({
+            "sql_mode": "TRADITIONAL",
+            "charset": "utf8",
+            "use_unicode": True,
+        })
+    elif name == "sqlite3":
+        db_config.setdefault("args", {}).update({
+            "cp_min": 1,
+            "cp_max": 1,
+            "cp_openfun": prepare_database,
+        })
+    else:
+        raise RuntimeError("Unsupported database type '%s'" % (name,))
+
     hs = SynapseHomeServer(
         config.server_name,
         domain_with_port=domain_with_port,
@@ -401,8 +412,8 @@ def setup(config_options):
         # with sqlite3.connect(db_name) as db_conn:
         #     prepare_sqlite3_database(db_conn)
         #     prepare_database(db_conn)
-        import MySQLdb
+        import mysql.connector
-        db_conn = MySQLdb.connect(**db_config)
+        db_conn = mysql.connector.connect(**db_config.get("args", {}))
         prepare_database(db_conn)
     except UpgradeDatabaseException:
         sys.stderr.write(

synapse/handlers/login.py

@@ -57,7 +57,7 @@ class LoginHandler(BaseHandler):
             logger.warn("Attempted to login as %s but they do not exist", user)
             raise LoginError(403, "", errcode=Codes.FORBIDDEN)
 
-        stored_hash = user_info[0]["password_hash"]
+        stored_hash = user_info["password_hash"]
         if bcrypt.checkpw(password, stored_hash):
             # generate an access token and store it.
             token = self.reg_handler._generate_token(user)

synapse/rest/client/v1/profile.py

@@ -19,9 +19,13 @@ from twisted.internet import defer
 from .base import ClientV1RestServlet, client_path_pattern
 from synapse.types import UserID
 
+import logging
 import simplejson as json
 
 
+logger = logging.getLogger(__name__)
+
+
 class ProfileDisplaynameRestServlet(ClientV1RestServlet):
     PATTERN = client_path_pattern("/profile/(?P<user_id>[^/]*)/displayname")
 
@@ -47,7 +51,8 @@ class ProfileDisplaynameRestServlet(ClientV1RestServlet):
             defer.returnValue((400, "Unable to parse name"))
 
         yield self.handlers.profile_handler.set_displayname(
-            user, auth_user, new_name)
+            user, auth_user, new_name
+        )
 
         defer.returnValue((200, {}))
 

synapse/storage/__init__.py

@@ -410,10 +410,14 @@ def executescript(txn, schema_path):
 
 
 def _get_or_create_schema_state(txn):
-    schema_path = os.path.join(
+    try:
-        dir_path, "schema", "schema_version.sql",
+        # Bluntly try creating the schema_version tables.
-    )
+        schema_path = os.path.join(
-    executescript(txn, schema_path)
+            dir_path, "schema", "schema_version.sql",
+        )
+        executescript(txn, schema_path)
+    except:
+        pass
 
     txn.execute("SELECT version, upgraded FROM schema_version")
     row = txn.fetchone()

synapse/storage/_base.py

@@ -755,6 +755,8 @@ class SQLBaseStore(object):
             return None
 
         internal_metadata, js, redacted, rejected_reason = res
+        js = js.decode("utf8")
+        internal_metadata = internal_metadata.decode("utf8")
 
         start_time = update_counter("select_event", start_time)
 
@@ -779,9 +781,11 @@ class SQLBaseStore(object):
             sql_getevents_timer.inc_by(curr_time - last_time, desc)
             return curr_time
 
+        logger.debug("Got js: %r", js)
         d = json.loads(js)
         start_time = update_counter("decode_json", start_time)
 
+        logger.debug("Got internal_metadata: %r", internal_metadata)
         internal_metadata = json.loads(internal_metadata)
         start_time = update_counter("decode_internal", start_time)
 

synapse/storage/events.py

@@ -294,15 +294,17 @@ class EventsStore(SQLBaseStore):
             )
 
             if is_new_state and not context.rejected:
-                self._simple_insert_txn(
+                self._simple_upsert_txn(
                     txn,
                     "current_state_events",
-                    {
+                    keyvalues={
-                        "event_id": event.event_id,
                         "room_id": event.room_id,
                         "type": event.type,
                         "state_key": event.state_key,
                     },
+                    values={
+                        "event_id": event.event_id,
+                    }
                 )
 
             for e_id, h in event.prev_state:

synapse/storage/keys.py

@@ -64,7 +64,7 @@ class KeyStore(SQLBaseStore):
                 "fingerprint": fingerprint,
                 "from_server": from_server,
                 "ts_added_ms": time_now_ms,
-                "tls_certificate": buffer(tls_certificate_bytes),
+                "tls_certificate": tls_certificate_bytes,
             },
         )
 
@@ -113,6 +113,6 @@ class KeyStore(SQLBaseStore):
                 "key_id": "%s:%s" % (verify_key.alg, verify_key.version),
                 "from_server": from_server,
                 "ts_added_ms": time_now_ms,
-                "verify_key": buffer(verify_key.encode()),
+                "verify_key": verify_key.encode(),
             },
         )

synapse/storage/profile.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from twisted.internet import defer
+
 from ._base import SQLBaseStore
 
 
@@ -24,19 +26,25 @@ class ProfileStore(SQLBaseStore):
             desc="create_profile",
         )
 
+    @defer.inlineCallbacks
     def get_profile_displayname(self, user_localpart):
-        return self._simple_select_one_onecol(
+        name = yield self._simple_select_one_onecol(
             table="profiles",
             keyvalues={"user_id": user_localpart},
             retcol="displayname",
             desc="get_profile_displayname",
         )
 
+        if name:
+            name = name.decode("utf8")
+
+        defer.returnValue(name)
+
     def set_profile_displayname(self, user_localpart, new_displayname):
         return self._simple_update_one(
             table="profiles",
             keyvalues={"user_id": user_localpart},
-            updatevalues={"displayname": new_displayname},
+            updatevalues={"displayname": new_displayname.encode("utf8")},
             desc="set_profile_displayname",
         )
 

synapse/storage/registration.py

@@ -81,13 +81,23 @@ class RegistrationStore(SQLBaseStore):
         txn.execute("INSERT INTO access_tokens(user_id, token) " +
                     "VALUES (?,?)", [user_id, token])
 
+    @defer.inlineCallbacks
     def get_user_by_id(self, user_id):
-        query = ("SELECT users.name, users.password_hash FROM users"
+        user_info = yield self._simple_select_one(
-                 " WHERE users.name = ?")
+            table="users",
-        return self._execute(
+            keyvalues={
-            "get_user_by_id", self.cursor_to_dict, query, user_id
+                "name": user_id,
+            },
+            retcols=["name", "password_hash"],
+            allow_none=True,
         )
 
+        if user_info:
+            user_info["password_hash"] = user_info["password_hash"].decode("utf8")
+
+        defer.returnValue(user_info)
+
+
     @cached()
     # TODO(paul): Currently there's no code to invalidate this cache. That
     #   means if/when we ever add internal ways to invalidate access tokens or

synapse/storage/room.py

@@ -72,6 +72,7 @@ class RoomStore(SQLBaseStore):
             keyvalues={"room_id": room_id},
             retcols=RoomsTable.fields,
             desc="get_room",
+            allow_none=True,
         )
 
     @defer.inlineCallbacks

synapse/storage/schema/full_schemas/11/media_repository.sql

@@ -65,4 +65,4 @@ CREATE TABLE IF NOT EXISTS remote_media_cache_thumbnails (
 ) ENGINE = INNODB;
 
 CREATE INDEX IF NOT EXISTS remote_media_cache_thumbnails_media_id
-    ON local_media_repository_thumbnails (media_id);
+    ON remote_media_cache_thumbnails (media_id);

synapse/storage/schema/full_schemas/11/profiles.sql

@@ -14,7 +14,7 @@
  */
 CREATE TABLE IF NOT EXISTS profiles(
     user_id VARCHAR(255) NOT NULL,
-    displayname VARCHAR(255),
+    displayname VARBINARY(255),
     avatar_url VARCHAR(255),
     UNIQUE(user_id)
 ) ENGINE = INNODB;

synapse/storage/schema/full_schemas/11/transactions.sql

@@ -38,7 +38,6 @@ CREATE TABLE IF NOT EXISTS sent_transactions(
 ) ENGINE = INNODB;
 
 CREATE INDEX IF NOT EXISTS sent_transaction_dest ON sent_transactions(destination);
-CREATE INDEX IF NOT EXISTS sent_transaction_dest_referenced ON sent_transactions(destination);
 CREATE INDEX IF NOT EXISTS sent_transaction_txn_id ON sent_transactions(transaction_id);
 -- So that we can do an efficient look up of all transactions that have yet to be successfully
 -- sent.

synapse/storage/signatures.py

@@ -54,7 +54,7 @@ class SignatureStore(SQLBaseStore):
             {
                 "event_id": event_id,
                 "algorithm": algorithm,
-                "hash": buffer(hash_bytes),
+                "hash": hash_bytes,
             },
         )
 
@@ -99,7 +99,7 @@ class SignatureStore(SQLBaseStore):
             " WHERE event_id = ?"
         )
         txn.execute(query, (event_id, ))
-        return dict(txn.fetchall())
+        return {k: v for k, v in txn.fetchall()}
 
     def _store_event_reference_hash_txn(self, txn, event_id, algorithm,
                                         hash_bytes):
@@ -116,7 +116,7 @@ class SignatureStore(SQLBaseStore):
             {
                 "event_id": event_id,
                 "algorithm": algorithm,
-                "hash": buffer(hash_bytes),
+                "hash": hash_bytes,
             },
         )
 
@@ -160,7 +160,7 @@ class SignatureStore(SQLBaseStore):
                 "event_id": event_id,
                 "signature_name": signature_name,
                 "key_id": key_id,
-                "signature": buffer(signature_bytes),
+                "signature": signature_bytes,
             },
         )
 
@@ -193,6 +193,6 @@ class SignatureStore(SQLBaseStore):
                 "event_id": event_id,
                 "prev_event_id": prev_event_id,
                 "algorithm": algorithm,
-                "hash": buffer(hash_bytes),
+                "hash": hash_bytes,
             },
         )

synapse/storage/transactions.py

@@ -282,7 +282,7 @@ class TransactionStore(SQLBaseStore):
         query = (
             "UPDATE destinations"
             " SET retry_last_ts = ?, retry_interval = ?"
-            " WHERE destinations = ?"
+            " WHERE destination = ?"
         )
 
         txn.execute(