Burtiraven2/session_redis_public
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This commit is contained in:
Yannick Payot
2023-05-24 18:22:55 +02:00
parent 05d111f7c1
commit d17d229b13
86 changed files with 1441 additions and 634 deletions
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session_redis/session.py
+41 -29
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@@ -18,10 +18,16 @@ _logger = logging.getLogger(__name__)
class RedisSessionStore(SessionStore):
""" SessionStore that saves session to redis """
"""SessionStore that saves session to redis"""
def __init__(self, redis, session_class=None,
prefix='', expiration=None, anon_expiration=None):
def __init__(
self,
redis,
session_class=None,
prefix="",
expiration=None,
anon_expiration=None,
):
super().__init__(session_class=session_class)
self.redis = redis
if expiration is None:
@@ -32,14 +38,12 @@ class RedisSessionStore(SessionStore):
self.anon_expiration = DEFAULT_SESSION_TIMEOUT_ANONYMOUS
else:
self.anon_expiration = anon_expiration
self.prefix = 'session:'
self.prefix = "session:"
if prefix:
self.prefix = '%s:%s:' % (
self.prefix, prefix
)
self.prefix = "%s:%s:" % (self.prefix, prefix)
def build_key(self, sid):
return '%s%s' % (self.prefix, sid)
return "%s%s" % (self.prefix, sid)
def save(self, session):
key = self.build_key(session.sid)
@@ -52,51 +56,59 @@ class RedisSessionStore(SessionStore):
expiration = session.expiration or self.anon_expiration
if _logger.isEnabledFor(logging.DEBUG):
if session.uid:
user_msg = "user '%s' (id: %s)" % (
session.login, session.uid)
user_msg = "user '%s' (id: %s)" % (session.login, session.uid)
else:
user_msg = "anonymous user"
_logger.debug("saving session with key '%s' and "
"expiration of %s seconds for %s",
key, expiration, user_msg)
_logger.debug(
"saving session with key '%s' and " "expiration of %s seconds for %s",
key,
expiration,
user_msg,
)
data = json.dumps(
dict(session), cls=json_encoding.SessionEncoder
).encode('utf-8')
data = json.dumps(dict(session), cls=json_encoding.SessionEncoder).encode(
"utf-8"
)
if self.redis.set(key, data):
return self.redis.expire(key, expiration)
def delete(self, session):
key = self.build_key(session.sid)
_logger.debug('deleting session with key %s', key)
_logger.debug("deleting session with key %s", key)
return self.redis.delete(key)
def get(self, sid):
if not self.is_valid_key(sid):
_logger.debug("session with invalid sid '%s' has been asked, "
"returning a new one", sid)
_logger.debug(
"session with invalid sid '%s' has been asked, " "returning a new one",
sid,
)
return self.new()
key = self.build_key(sid)
saved = self.redis.get(key)
if not saved:
_logger.debug("session with non-existent key '%s' has been asked, "
"returning a new one", key)
_logger.debug(
"session with non-existent key '%s' has been asked, "
"returning a new one",
key,
)
return self.new()
try:
data = json.loads(
saved.decode('utf-8'), cls=json_encoding.SessionDecoder
)
data = json.loads(saved.decode("utf-8"), cls=json_encoding.SessionDecoder)
except ValueError:
_logger.debug("session for key '%s' has been asked but its json "
"content could not be read, it has been reset", key)
_logger.debug(
"session for key '%s' has been asked but its json "
"content could not be read, it has been reset",
key,
)
data = {}
return self.session_class(data, sid, False)
def list(self):
keys = self.redis.keys('%s*' % self.prefix)
keys = self.redis.keys("%s*" % self.prefix)
_logger.debug("a listing redis keys has been called")
return [key[len(self.prefix):] for key in keys]
return [key[len(self.prefix) :] for key in keys]
def rotate(self, session, env):
self.delete(session)
@@ -106,7 +118,7 @@ class RedisSessionStore(SessionStore):
self.save(session)
def vacuum(self):
""" Do not garbage collect the sessions
"""Do not garbage collect the sessions
Redis keys are automatically cleaned at the end of their
expiration.