Switch to server-side sessions in redis

core/admin/mailu/__init__.py

@@ -1,5 +1,8 @@
 import flask
 import flask_bootstrap
+import redis
+from flask_kvsession import KVSessionExtension
+from simplekv.memory.redisstore import RedisStore
 
 from mailu import utils, debug, models, manage, configuration
 
@@ -17,6 +20,7 @@ def create_app_from_config(config):
     # Initialize application extensions
     config.init_app(app)
     models.db.init_app(app)
+    KVSessionExtension(RedisStore(redis.StrictRedis().from_url('redis://{0}/3'.format(config['REDIS_ADDRESS']))), app)
     utils.limiter.init_app(app)
     utils.babel.init_app(app)
     utils.login.init_app(app)

core/admin/requirements-prod.txt

@@ -13,6 +13,7 @@ Flask==1.0.2
 Flask-Babel==0.12.2
 Flask-Bootstrap==3.3.7.1
 Flask-DebugToolbar==0.10.1
+Flask-KVSession==0.6.2
 Flask-Limiter==1.0.1
 Flask-Login==0.4.1
 Flask-Migrate==2.4.0

core/admin/requirements.txt

@@ -3,6 +3,7 @@ Flask-Login
 Flask-SQLAlchemy
 Flask-bootstrap
 Flask-Babel
+Flask-KVSession
 Flask-migrate
 Flask-script
 Flask-wtf