Audit: implement logging of basic events like login, logout, failed login

passbook/audit/signals.py

@@ -0,0 +1,24 @@
+"""passbook audit signal listener"""
+from django.contrib.auth.signals import (user_logged_in, user_logged_out,
+                                         user_login_failed)
+from django.dispatch import receiver
+
+from passbook.audit.models import AuditEntry
+
+
+@receiver(user_logged_in)
+def on_user_logged_in(sender, request, user, **kwargs):
+    """Log successful login"""
+    AuditEntry.create(AuditEntry.ACTION_LOGIN, request)
+
+@receiver(user_logged_out)
+def on_user_logged_out(sender, request, user, **kwargs):
+    """Log successfully logout"""
+    AuditEntry.create(AuditEntry.ACTION_LOGOUT, request)
+
+@receiver(user_login_failed)
+def on_user_login_failed(sender, request, user, **kwargs):
+    """Log failed login attempt"""
+    # TODO: Implement sumarizing of signals here for brute-force attempts
+    # AuditEntry.create(AuditEntry.ACTION_LOGOUT, request)
+    pass