Put authentication database path in ini file

AnkiServer/apps/sync_app.py

@@ -99,6 +99,7 @@ class SyncApp(object):
 
         self.data_root = os.path.abspath(kw.get('data_root', '.'))
         self.base_url  = kw.get('base_url', '/')
+	self.auth_db_path = os.path.abspath(kw.get('auth_db_path', '.'))
         self.sessions = {}
 
         try:
@@ -119,7 +120,7 @@ class SyncApp(object):
         Override this to change how users are authenticated.
         """
 
-        conn = sqlite3.connect("auth.db")
+        conn = sqlite3.connect(self.auth_db_path)
         cursor = conn.cursor()
         param = (username,)
 

example.ini

@@ -24,6 +24,7 @@ logging.config_file = logging.conf
 use = egg:AnkiServer#sync_app
 data_root = ./collections
 base_url = /sync/
+auth_db_path = ./auth.db
 mysql.host = 127.0.0.1
 mysql.user = db_user
 mysql.passwd = db_password