aiohttp-session
Web sessions for aiohttp.web
Stars: 237
aiohttp_session is a Python library that provides session management for aiohttp.web applications. It allows storing user-specific data in session objects with a dict-like interface. The library offers different session storage options, including SimpleCookieStorage for testing, EncryptedCookieStorage for secure data storage, and RedisStorage for storing data in Redis. Users can easily integrate session management into their aiohttp.web applications by registering the session middleware. The library is designed to simplify session handling and enhance the security of web applications.
README:
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The library provides sessions for aiohttp.web
__.
.. _aiohttp_web: https://aiohttp.readthedocs.io/en/latest/web.html
__ aiohttp_web_
The library allows us to store user-specific data into a session object.
The session object has a dict-like interface (operations like
session[key] = value
, value = session[key]
etc. are present).
Before processing the session in a web-handler, you have to register the
session middleware in aiohttp.web.Application
.
A trivial usage example:
.. code:: python
import time
from cryptography import fernet
from aiohttp import web
from aiohttp_session import setup, get_session
from aiohttp_session.cookie_storage import EncryptedCookieStorage
async def handler(request):
session = await get_session(request)
last_visit = session['last_visit'] if 'last_visit' in session else None
session['last_visit'] = time.time()
text = 'Last visited: {}'.format(last_visit)
return web.Response(text=text)
def make_app():
app = web.Application()
fernet_key = fernet.Fernet.generate_key()
f = fernet.Fernet(fernet_key)
setup(app, EncryptedCookieStorage(f))
app.router.add_get('/', handler)
return app
web.run_app(make_app())
All storages use an HTTP Cookie named AIOHTTP_SESSION
for storing
data. This can be modified by passing the keyword argument cookie_name
to
the storage class of your choice.
Available session storages are:
-
aiohttp_session.SimpleCookieStorage()
-- keeps session data as a plain JSON string in the cookie body. Use the storage only for testing purposes, it's very non-secure. -
aiohttp_session.cookie_storage.EncryptedCookieStorage(secret_key)
-- stores the session data into a cookie asSimpleCookieStorage
but encodes it via AES cipher.secrect_key
is abytes
key for AES encryption/decryption, the length should be 32 bytes.Requires
cryptography
library::$ pip install aiohttp_session[secure]
-
aiohttp_session.redis_storage.RedisStorage(redis_pool)
-- stores JSON encoded data in redis, keeping only the redis key (a random UUID) in the cookie.redis_pool
is aredis
object, created byawait aioredis.from_url(...)
call.$ pip install aiohttp_session[aioredis]
Install for local development::
$ make setup
Run linters::
$ make lint
Run tests::
$ make test
-
aiohttp_session_mongo <https://github.com/alexpantyukhin/aiohttp-session-mongo>
_ -
aiohttp_session_dynamodb <https://github.com/alexpantyukhin/aiohttp-session-dynamodb>
_
aiohttp_session
is offered under the Apache 2 license.
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