By default, the cookie key should be guessed from the session klass name instead of the klass name. So that we don't have to change cookie keys if we have multiple session models authenticating with the same model.

Author: slainer68

lib/authlogic/session/cookies.rb

@@ -26,7 +26,7 @@ module Config
         # * <tt>Default:</tt> "#{klass_name.underscore}_credentials"
         # * <tt>Accepts:</tt> String
         def cookie_key(value = nil)
-          rw_config(:cookie_key, value, "#{klass_name.underscore}_credentials")
+          rw_config(:cookie_key, value, "#{guessed_klass_name.underscore}_credentials")
         end
         alias_method :cookie_key=, :cookie_key
 

lib/authlogic/session/klass.rb

@@ -38,10 +38,13 @@ def klass
 
         # Same as klass, just returns a string instead of the actual constant.
         def klass_name
-          @klass_name ||= 
-            if guessed_name = name.scan(/(.*)Session/)[0]
-              @klass_name = guessed_name[0]
-            end
+          @klass_name ||= guessed_klass_name
+        end
+        
+        # The string of the model name class guessed from the actual session class name.
+        def guessed_klass_name
+          guessed_name = name.scan(/(.*)Session/)[0]
+          guessed_name[0] if guessed_name
         end
       end
 

test/libs/user_session.rb

@@ -1,2 +1,6 @@
 class UserSession < Authlogic::Session::Base
-end
+end
+
+class BackOfficeUserSession < Authlogic::Session::Base
+  authenticate_with User
+end

test/session_test/cookies_test.rb

@@ -11,6 +11,11 @@ def test_cookie_key
         assert_equal "user_credentials", UserSession.cookie_key
       end
 
+      def test_default_cookie_key
+        assert_equal "user_credentials", UserSession.cookie_key
+        assert_equal "back_office_user_credentials", BackOfficeUserSession.cookie_key
+      end
+    
       def test_remember_me
         UserSession.remember_me = true
         assert_equal true, UserSession.remember_me

test/session_test/klass_test.rb

@@ -20,6 +20,11 @@ def test_klass
       def test_klass_name
         assert_equal "User", UserSession.klass_name
       end
+      
+      def test_guessed_klass_name
+        assert_equal "User", UserSession.guessed_klass_name
+        assert_equal "BackOfficeUser", BackOfficeUserSession.guessed_klass_name
+      end
     end
 
     class InstanceMethodsTest < ActiveSupport::TestCase