| @@ -1,0 +1,107 @@ | ||
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * @package VikBooking | |
| 4 | + * @subpackage core | |
| 5 | + * @author E4J s.r.l. | |
| 6 | + * @copyright Copyright (C) 2021 E4J s.r.l. All Rights Reserved. | |
| 7 | + * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL | |
| 8 | + * @link https://vikwp.com | |
| 9 | + */ | |
| 10 | + | |
| 11 | +// No direct access | |
| 12 | +defined('ABSPATH') or die('No script kiddies please!'); | |
| 13 | + | |
| 14 | +/** | |
| 15 | + * Helper class used to handle the interaction with HTTP documents. | |
| 16 | + * | |
| 17 | + * @since 1.5 | |
| 18 | + */ | |
| 19 | +class VBOHttpDocument | |
| 20 | +{ | |
| 21 | + /** | |
| 22 | + * A reference to the application object. | |
| 23 | + * | |
| 24 | + * @var JApplication | |
| 25 | + */ | |
| 26 | + protected $app; | |
| 27 | + | |
| 28 | + /** | |
| 29 | + * Proxy used to construct the object. | |
| 30 | + * | |
| 31 | + * @param mixed $app The application instance. If not specified the | |
| 32 | + * current one will be used. | |
| 33 | + * | |
| 34 | + * @return self A new instance of this class. | |
| 35 | + */ | |
| 36 | + public static function getInstance($app = null) | |
| 37 | + { | |
| 38 | + if (!$app) | |
| 39 | + { | |
| 40 | + $app = JFactory::getApplication(); | |
| 41 | + } | |
| 42 | + | |
| 43 | + return new static($app); | |
| 44 | + } | |
| 45 | + | |
| 46 | + /** | |
| 47 | + * Class constructor. | |
| 48 | + * | |
| 49 | + * @param JApplication $app The application instance. | |
| 50 | + */ | |
| 51 | + public function __construct($app) | |
| 52 | + { | |
| 53 | + $this->app = $app; | |
| 54 | + } | |
| 55 | + | |
| 56 | + /** | |
| 57 | + * Method to close the application. | |
| 58 | + * | |
| 59 | + * @param integer $code The HTTP status code. | |
| 60 | + * @param mixed $buffer An optional string to display. | |
| 61 | + * | |
| 62 | + * @return void | |
| 63 | + */ | |
| 64 | + public function close($code = 200, $buffer = null) | |
| 65 | + { | |
| 66 | + // force HTTP status code | |
| 67 | + $this->app->setHeader('status', $code, $replace = true); | |
| 68 | + $this->app->sendHeaders(); | |
| 69 | + | |
| 70 | + if (VBOPlatformDetection::isWordPress() && !headers_sent()) | |
| 71 | + { | |
| 72 | + // this is necessary for the HTTP2 protocol | |
| 73 | + http_response_code($code); | |
| 74 | + } | |
| 75 | + | |
| 76 | + if ($buffer) | |
| 77 | + { | |
| 78 | + // display buffer | |
| 79 | + echo $buffer; | |
| 80 | + } | |
| 81 | + | |
| 82 | + // terminate session | |
| 83 | + $this->app->close(); | |
| 84 | + } | |
| 85 | + | |
| 86 | + /** | |
| 87 | + * Echoes the given JSON by using the right content type. | |
| 88 | + * | |
| 89 | + * @param mixed $json Either a JSON string or a non-scalar value. | |
| 90 | + * @param int $flags Bitmask for json_encode(). | |
| 91 | + * | |
| 92 | + * @return void | |
| 93 | + */ | |
| 94 | + public function json($json, $flags = 0) | |
| 95 | + { | |
| 96 | + $this->app->setHeader('Content-Type', 'application/json', $replace = true); | |
| 97 | + | |
| 98 | + if (!is_string($json)) | |
| 99 | + { | |
| 100 | + // stringify array/object | |
| 101 | + $json = json_encode($json, $flags); | |
| 102 | + } | |
| 103 | + | |
| 104 | + // terminate session by echoing the given JSON | |
| 105 | + $this->close(200, $json); | |
| 106 | + } | |
| 107 | +} | |
