easyappointments/src/application/controllers/api/v1/API_V1_Controller.php
2018-03-27 09:23:09 +02:00

104 lines
3.3 KiB
PHP

<?php defined('BASEPATH') OR exit('No direct script access allowed');
/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) 2013 - 2018, Alex Tselegidis
* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
* @link http://easyappointments.org
* @since v1.2.0
* ---------------------------------------------------------------------------- */
use \EA\Engine\Types\NonEmptyText;
/**
* API V1 Controller
*
* Parent controller class for the API v1 resources. Extend this class instead of the CI_Controller
* and call the parent constructor.
*
* @package Controllers
* @subpackage API
*/
class API_V1_Controller extends CI_Controller {
/**
* Class Constructor
*
* This constructor will handle the common operations of each API call.
*
* Important: Do not forget to call the this constructor from the child classes.
*
* Notice: At the time being only the basic authentication is supported. Make sure
* that you use the API through SSL/TLS for security.
*/
public function __construct()
{
if ( ! isset($_SERVER['PHP_AUTH_USER']))
{
$this->_requestAuthentication();
return;
}
parent::__construct();
try
{
$username = new NonEmptyText($_SERVER['PHP_AUTH_USER']);
$password = new NonEmptyText($_SERVER['PHP_AUTH_PW']);
$authorization = new \EA\Engine\Api\V1\Authorization($this);
$authorization->basic($username, $password);
}
catch (\Exception $exception)
{
exit($this->_handleException($exception));
}
}
/**
* Sets request authentication headers.
*/
protected function _requestAuthentication()
{
header('WWW-Authenticate: Basic realm="Easy!Appointments"');
header('HTTP/1.0 401 Unauthorized');
exit('You are not authorized to use the API.');
}
/**
* Outputs the required headers and messages for exception handling.
*
* Call this method from catch blocks of child controller callbacks.
*
* @param \Exception $exception Thrown exception to be outputted.
*/
protected function _handleException(\Exception $exception)
{
$error = [
'code' => $exception->getCode() ?: 500,
'message' => $exception->getMessage(),
];
$header = $exception instanceof \EA\Engine\Api\V1\Exception
? $exception->getCode() . ' ' . $exception->getHeader()
: '500 Internal Server Error';
header('HTTP/1.0 ' . $header);
header('Content-Type: application/json');
$this->output
->set_content_type('application/json')
->set_output(json_encode($error, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
}
/**
* Throw an API exception stating that the requested record was not found.
*
* @throws \EA\Engine\Api\V1\Exception
*/
protected function _throwRecordNotFound()
{
throw new \EA\Engine\Api\V1\Exception('The requested record was not found!', 404, 'Not Found');
}
}