CakePHP HybridAuth Plugin

A CakePHP plugin which allows using the HybridAuth social sign on library.

Requirements

CakePHP 2.4+
For CakePHP 3.0 compatibility please check the cake3 branch.

Installation

[Composer]

The recommended way to install the plugin is using composer.

Run: composer require admad/cakephp-hybridauth:dev-master or add "admad/cakephp-hybridauth": "dev-master" to the require section of your application's composer.json.

[Manual]

Download the plugin and put in under app/Plugin/HybridAuth. Also download the hybridauth lib and put the hybridauth folder under app/Vendor directory.

Setup

If you haven't already done so include composer's autoloader in your bootrap.php:

// Code below is as suggested on http://mark-story.com/posts/view/installing-cakephp-with-composer

// Load composer autoload.
require APP . 'Vendor/autoload.php';

// Remove and re-prepend CakePHP's autoloader as composer thinks it is the most important.
// See https://github.com/composer/composer/commit/c80cb76b9b5082ecc3e5b53b1050f76bb27b127b
spl_autoload_unregister(array('App', 'load'));
spl_autoload_register(array('App', 'load'), true, true);

Then load the plugin: CakePlugin::load('HybridAuth', array('bootstrap' => true));

Configuration

Make a config file App/Config/hybridauth.php Eg.

<?php
$config['HybridAuth'] = array(
	'providers' => array(
		'OpenID' => array(
			'enabled' => true
		)
	),
	'debug_mode' => (bool)Configure::read('debug'),
	'debug_file' => LOGS . 'hybridauth.log',
);

For more information about the hybridauth configuration array check http://hybridauth.sourceforge.net/userguide/Configuration.html

The plugin also expects that your users table used for authentication contains fields provider and provider_uid. The fields are configurable through the HybridAuthAuthenticate authenticator.

Usage

Check the CakePHP manual on how to configure and use the AuthComponent with required authenticator. You would have something like this in your AppController.

<?php
public $components = array(
	'Auth' => array(
		'authenticate' => array(
			'HybridAuth.HybridAuth' => array(
				'registrationCallback' => 'hybridRegister'
			)
		)
	)
);

Your controller's login action should be similar to this:

<?php
public function login() {
	if ($this->request->is('post')) {
		if ($this->Auth->login()) {
			return $this->redirect($this->Auth->redirect());
		} else {
			$this->Session->setFlash('Username or password is incorrect');
		}
	}
}

An eg. element View/Elements/login.ctp showing how to setup the login page form is provided. The fields should use the same model name as the configured userModel setting for the authenticator. Checkout the various examples in hybridauth documentation to see various ways to setup your login page.

Once a user is authenticated through the provider the authenticator gets the user profile from the identity provider and using that tries to find the corresponding user record in your app's users table. If no user is found and registrationCallback option is specified as shown in example above the specified method from the User model is called. The callback method can be similar to this:

<?php
public function hybridRegister($provider, stdClass $profile) {
	$profile = (array)$profile;
	$data = array(
		'provider' => $provider,
		'provider_uid' => $profile['identifier'],
		//Extra fields here as needed like group_id, status etc.
	);
	unset($profile['identifier']);
	foreach ($profile as $field => $value) {
		$data[Inflector::underscore($field)] = $value;
	}
	$this->create();
	return $this->save($data, false);
}

If no callback is specified the profile returned by identity provider itself is returned by the authenticator.

Copyright

Copyright 2014 ADmad

License

The MIT License

License

lfk/CakePHP-HybridAuth

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