<?php

/**
 * Example authentication source.
 *
 * This class is an example authentication source which will always return a user with
 * a static set of attributes.
 *
 * @author Olav Morken, UNINETT AS.
 * @package SimpleSAMLphp
 */
class sspmod_exampleauth_Auth_Source_Static extends SimpleSAML_Auth_Source {


	/**
	 * The attributes we return.
	 */
	private $attributes;


	/**
	 * Constructor for this authentication source.
	 *
	 * @param array $info  Information about this authentication source.
	 * @param array $config  Configuration.
	 */
	public function __construct($info, $config) {
		assert('is_array($info)');
		assert('is_array($config)');

		// Call the parent constructor first, as required by the interface
		parent::__construct($info, $config);


		// Parse attributes
		try {
			$this->attributes = SimpleSAML\Utils\Attributes::normalizeAttributesArray($config);
		} catch(Exception $e) {
			throw new Exception('Invalid attributes for authentication source ' .
				$this->authId . ': ' . $e->getMessage());
		}

	}


	/**
	 * Log in using static attributes.
	 *
	 * @param array &$state  Information about the current authentication.
	 */
	public function authenticate(&$state) {
		assert('is_array($state)');

		$state['Attributes'] = $this->attributes;
	}

}