Added check for anonymous user. Closes #28

cork/cork.py

@@ -421,6 +421,23 @@ def current_user(self):
             return User(username, self, session=session)
         raise AuthException("Unknown user: %s" % username)
 
+    @property
+    def user_is_anonymous(self):
+        """Check if the current user is anonymous.
+
+        :returns: True if the user is anonymous, False otherwise
+        :raises: AuthException if the session username is unknown
+        """
+        try:
+            username = self._beaker_session['username']
+        except KeyError:
+            return True
+
+        if username not in self._store.users:
+            raise AuthException("Unknown user: %s" % username)
+
+        return False
+
     def user(self, username):
         """Existing user
 

test/test.py

@@ -346,6 +346,9 @@ def test_successful_require_role():
     aaa.require(username='admin', role='admin', fixed_role=True)
     aaa.require(username='admin', role='user')
 
+@with_setup(setup_mockedadmin, teardown_dir)
+def test_authenticated_is_not__anonymous():
+    assert not aaa.user_is_anonymous
 
 @with_setup(setup_mockedadmin, teardown_dir)
 def test_update_nonexistent_role():
@@ -376,6 +379,10 @@ def test_update_email():
 def test_get_current_user_unauth():
     aaa.current_user['username']
 
+@with_setup(setup_mocked_unauthenticated, teardown_dir)
+def test_unauth_is_anonymous():
+    assert aaa.user_is_anonymous
+
 @raises(AuthException)
 @with_setup(setup_mockedadmin, teardown_dir)
 def test_get_current_user_nonexistent():