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<?php |
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namespace SOG\Dashboard\Authentication; |
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use Silex\Application; |
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use Silex\ServiceProviderInterface; |
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/** |
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* This class sets up the required hooks for providing LDAP-based authentication. |
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* The implementation follows https://github.com/DerManoMann/ldap-auth-service-provider - thank you! |
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* |
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* Class LdapAuthenticationServiceProvider |
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* @package SOG\Dashboard\Authentication |
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*/ |
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class LdapAuthenticationServiceProvider implements ServiceProviderInterface |
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{ |
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/** |
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* @var string The entry point for the authentication, this can be e.g. `form` or `http`, we're interested in `form` |
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*/ |
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private $entry_point = 'form'; |
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/**
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* {@inheritdoc}
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*/ |
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public function register(Application $app) |
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{ |
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// let's first setup the user provider, we'll hand over the LDAP instance |
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if (isset($app['security.ldap.user_provider']) === false) { |
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$app['security.ldap.user_provider'] = $app->protect(function () use ($app) { |
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return new LdapUserProvider($app['ldap']); |
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}); |
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} |
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$entry_point = $this->entry_point; |
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// now setup the authentication listener |
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$app['security.authentication_listener.factory.ldap'] = $app->protect(function ($name, $options = []) use ($app, $entry_point) { |
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if ($entry_point && isset($app['security.entry_point.' . $name . '.' . $entry_point]) === false) { |
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$app['security.entry_point.' . $name . '.' . $entry_point] = $app['security.entry_point.' . $entry_point . '._proto']($name, $options); |
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} |
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// the authentication provider handles the actual authentication and is called automatically |
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$app['security.authentication_provider.' . $name . '.ldap'] = function () use ($app, $name) { |
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return new LdapAuthenticationProvider( |
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$app['ldap'], |
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$app['security.user_provider.' . $name] |
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); |
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}; |
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if ($entry_point) { |
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$app['security.authentication_listener.' . $name . '.ldap'] = $app['security.authentication_listener.' . $entry_point . '._proto']($name, $options); |
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} |
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return array( |
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'security.authentication_provider.' . $name . '.ldap', |
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'security.authentication_listener.' . $name . '.ldap', |
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$entry_point ? 'security.entry_point.' . $name . '.' . $entry_point : null, |
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'pre_auth', |
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); |
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}); |
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} |
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/**
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* {@inheritdoc}
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*/ |
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public function boot(Application $app) |
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{ |
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// nothing to do here. |
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} |
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} |