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-rwxr-xr-xsynapse/app/homeserver.py11
-rw-r--r--synapse/storage/engines/__init__.py1
-rw-r--r--synapse/storage/engines/_base.py18
-rw-r--r--synapse/storage/engines/postgres.py11
-rw-r--r--synapse/storage/engines/sqlite3.py3
5 files changed, 43 insertions, 1 deletions
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 694a0125ad..cbd295c0a5 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -17,7 +17,7 @@
 import sys
 sys.dont_write_bytecode = True
 
-from synapse.storage.engines import create_engine
+from synapse.storage.engines import create_engine, IncorrectDatabaseSetup
 from synapse.storage import (
     are_all_users_on_domain, UpgradeDatabaseException,
 )
@@ -255,6 +255,15 @@ class SynapseHomeServer(HomeServer):
             )
             sys.exit(1)
 
+        try:
+            database_engine.check_database(db_conn.cursor())
+        except IncorrectDatabaseSetup as e:
+            sys.stderr.write("*" * len(e.message) + '\n')
+            sys.stderr.write(e.message)
+            sys.stderr.write('\n')
+            sys.stderr.write("*" * len(e.message) + '\n')
+            sys.exit(2)
+
 
 def get_version_string():
     try:
diff --git a/synapse/storage/engines/__init__.py b/synapse/storage/engines/__init__.py
index eb76df7f01..ab070f3428 100644
--- a/synapse/storage/engines/__init__.py
+++ b/synapse/storage/engines/__init__.py
@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from ._base import IncorrectDatabaseSetup
 from .postgres import PostgresEngine
 from .sqlite3 import Sqlite3Engine
 
diff --git a/synapse/storage/engines/_base.py b/synapse/storage/engines/_base.py
new file mode 100644
index 0000000000..0b549d314b
--- /dev/null
+++ b/synapse/storage/engines/_base.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+class IncorrectDatabaseSetup(RuntimeError):
+    pass
diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py
index b8cca9b187..ca858daee9 100644
--- a/synapse/storage/engines/postgres.py
+++ b/synapse/storage/engines/postgres.py
@@ -15,12 +15,23 @@
 
 from synapse.storage import prepare_database
 
+from ._base import IncorrectDatabaseSetup
+
 
 class PostgresEngine(object):
     def __init__(self, database_module):
         self.module = database_module
         self.module.extensions.register_type(self.module.extensions.UNICODE)
 
+    def check_database(self, txn):
+        txn.execute("SHOW SERVER_ENCODING")
+        rows = txn.fetchall()
+        if rows and rows[0][0] != "UTF8":
+            raise IncorrectDatabaseSetup(
+                "Database has incorrect encoding: '%s' instead of 'UTF8'"
+                % (rows[0][0],)
+            )
+
     def convert_param_style(self, sql):
         return sql.replace("?", "%s")
 
diff --git a/synapse/storage/engines/sqlite3.py b/synapse/storage/engines/sqlite3.py
index f62d5d1205..7b49157cbd 100644
--- a/synapse/storage/engines/sqlite3.py
+++ b/synapse/storage/engines/sqlite3.py
@@ -20,6 +20,9 @@ class Sqlite3Engine(object):
     def __init__(self, database_module):
         self.module = database_module
 
+    def check_database(self, txn):
+        pass
+
     def convert_param_style(self, sql):
         return sql