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I am writing a web application using PHP. I want to use the MVC pattern for this, and decided to go with CodeIgniter. My application will have some pages which will require authentication, and some pages won’t. I want to design this in a very generic way, so that there should be no code duplication. Can any one point to some good ‘design/class structure’ for this?
Write a custom library that you can autoload in your code igniter app on every page view. It should have functions that:
Then in your controller classes you can do a call to the authentication function in the constructor then depending on the outcome continue as normal or redirect them to a login screen with an access denied message.
Do a search on the code igniter wiki for ‘authentication’ and there are a number of results that may help: http://codeigniter.com/wiki/