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| -rw-r--r-- | yaksh/middleware/one_session_per_user.py | 14 |
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: |