<?php

namespace davina\overwrites;

require_once('vendor/autoload.php');
require_once(DIR_LOGIC . '/base.php');
require_once(DIR_LOGIC . '/sources/_interface.php');


/**
 */
class class_auth_backend_basic
	extends \Sabre\DAV\Auth\Backend\AbstractBasic
	implements \Sabre\DAV\Auth\Backend\BackendInterface
{
	
	/**
	 * @var array {list<\davina\sources\interface_source>}
	 */
	private array $sources;
	
	
	/**
	 */
	public function __construct(
		array $sources
	)
	{
		// parent::__construct();
		$this->sources = $sources;
		$this->setRealm('davina');
	}
	
	
	/**
	 */
	protected function validateUserPass(
		/*string */$identifier,
		/*string */$password
	)/* : bool*/
	{
		$parts = \explode('-', $identifier, 2);
		$source_name = $parts[0];
		$username = (
			(\count($parts) >= 2)
			?
			$parts[1]
			:
			$source_name
		);
		
		$parameters = [
			'username' => $username,
			'password' => $password,
		];
		if (! \array_key_exists($source_name, $this->sources))
		{
			return false;
		}
		else
		{
			$source = $this->sources[$source_name];
			/**
			 * @todo check for security
			 */
			\davina\set_parameters($parameters);
			$data = $source->read(/*$parameters*/[]);
			return ($data !== null);
		}
	}
	
}

 ?>