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authorankitjavalkar2016-01-22 17:49:23 +0530
committerankitjavalkar2016-01-22 17:49:23 +0530
commit45163b0a4de5b685c5fd57dea6abd51d4c343a35 (patch)
tree69bce77f8417479e16f8e824da3d972e3287c79a /yaksh/middleware
parent58bd6a8dbe0aa440ad8ec517fc85d388d02dc5e7 (diff)
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Add docstring to middleware
Diffstat (limited to 'yaksh/middleware')
-rw-r--r--yaksh/middleware/one_session_per_user.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/yaksh/middleware/one_session_per_user.py b/yaksh/middleware/one_session_per_user.py
index f382652..92e888d 100644
--- a/yaksh/middleware/one_session_per_user.py
+++ b/yaksh/middleware/one_session_per_user.py
@@ -5,9 +5,23 @@ from yaksh.models import ConcurrentUser
class OneSessionPerUserMiddleware(object):
+ """
+ Middleware to handle multiple logins with same credentials
+ - Creates a Database entry to record the current user and active session key
+ - Checks if the current user has already been logged in. If True, the new session
+ key is stored with respect to the user and the old session key is deleted,
+ effectively terminating the older session for the same user.
+ - The concurrentuser attribute of the User model refers to the ConcurrentUser
+ model object and not the concurrent_user field due to behaviour described
+ in the Documentation
+ Link: https://docs.djangoproject.com/en/1.5/topics/auth/customizing/#extending-the-existing-user-model)
+ """
def process_request(self, request):
if isinstance(request.user, User):
current_key = request.session.session_key
+ #
+ # Documentation:
+ # https://docs.djangoproject.com/en/1.5/topics/auth/customizing/#extending-the-existing-user-model
if hasattr(request.user, 'concurrentuser'):
active_key = request.user.concurrentuser.session_key
if active_key != current_key: