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WP_Async_Request.php
153 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * WP Async Request |
| 5 | */ |
| 6 | namespace IAWP\Utils; |
| 7 | |
| 8 | /** |
| 9 | * Abstract WP_Async_Request class. |
| 10 | * |
| 11 | * @abstract |
| 12 | * @internal |
| 13 | */ |
| 14 | abstract class WP_Async_Request |
| 15 | { |
| 16 | /** |
| 17 | * Prefix |
| 18 | * |
| 19 | * (default value: 'wp') |
| 20 | * |
| 21 | * @var string |
| 22 | */ |
| 23 | protected $prefix = 'wp'; |
| 24 | /** |
| 25 | * Action |
| 26 | * |
| 27 | * (default value: 'async_request') |
| 28 | * |
| 29 | * @var string |
| 30 | */ |
| 31 | protected $action = 'async_request'; |
| 32 | /** |
| 33 | * Identifier |
| 34 | * |
| 35 | * @var mixed |
| 36 | */ |
| 37 | protected $identifier; |
| 38 | /** |
| 39 | * Data |
| 40 | * |
| 41 | * (default value: array()) |
| 42 | * |
| 43 | * @var array |
| 44 | */ |
| 45 | protected $data = []; |
| 46 | /** |
| 47 | * Initiate new async request |
| 48 | */ |
| 49 | public function __construct() |
| 50 | { |
| 51 | $this->identifier = $this->prefix . '_' . $this->action; |
| 52 | \add_action('wp_ajax_' . $this->identifier, [$this, 'maybe_handle']); |
| 53 | \add_action('wp_ajax_nopriv_' . $this->identifier, [$this, 'maybe_handle']); |
| 54 | } |
| 55 | /** |
| 56 | * Handle |
| 57 | * |
| 58 | * Override this method to perform any actions required |
| 59 | * during the async request. |
| 60 | */ |
| 61 | protected abstract function handle(); |
| 62 | /** |
| 63 | * Set data used during the request |
| 64 | * |
| 65 | * @param array $data Data. |
| 66 | * |
| 67 | * @return $this |
| 68 | */ |
| 69 | public function data($data) |
| 70 | { |
| 71 | $this->data = $data; |
| 72 | return $this; |
| 73 | } |
| 74 | /** |
| 75 | * Dispatch the async request |
| 76 | * |
| 77 | * @return array|\WP_Error |
| 78 | */ |
| 79 | public function dispatch() |
| 80 | { |
| 81 | $url = \add_query_arg($this->get_query_args(), $this->get_query_url()); |
| 82 | $args = $this->get_post_args(); |
| 83 | return \wp_remote_post(\esc_url_raw($url), $args); |
| 84 | } |
| 85 | /** |
| 86 | * Maybe handle |
| 87 | * |
| 88 | * Check for correct nonce and pass to handler. |
| 89 | */ |
| 90 | public function maybe_handle() |
| 91 | { |
| 92 | // Don't lock up other requests while processing |
| 93 | \session_write_close(); |
| 94 | \check_ajax_referer($this->identifier, 'nonce'); |
| 95 | $this->handle(); |
| 96 | \wp_die(); |
| 97 | } |
| 98 | /** |
| 99 | * Get query args |
| 100 | * |
| 101 | * @return array |
| 102 | */ |
| 103 | protected function get_query_args() |
| 104 | { |
| 105 | if (\property_exists($this, 'query_args')) { |
| 106 | return $this->query_args; |
| 107 | } |
| 108 | $args = ['action' => $this->identifier, 'nonce' => \wp_create_nonce($this->identifier)]; |
| 109 | /* |
| 110 | * Filters the post arguments used during an async request. |
| 111 | * |
| 112 | * @param array $url |
| 113 | */ |
| 114 | return \apply_filters($this->identifier . '_query_args', $args); |
| 115 | } |
| 116 | /** |
| 117 | * Get query URL |
| 118 | * |
| 119 | * @return string |
| 120 | */ |
| 121 | protected function get_query_url() |
| 122 | { |
| 123 | if (\property_exists($this, 'query_url')) { |
| 124 | return $this->query_url; |
| 125 | } |
| 126 | $url = \admin_url('admin-ajax.php'); |
| 127 | /* |
| 128 | * Filters the post arguments used during an async request. |
| 129 | * |
| 130 | * @param string $url |
| 131 | */ |
| 132 | return \apply_filters($this->identifier . '_query_url', $url); |
| 133 | } |
| 134 | /** |
| 135 | * Get post args |
| 136 | * |
| 137 | * @return array |
| 138 | */ |
| 139 | protected function get_post_args() |
| 140 | { |
| 141 | if (\property_exists($this, 'post_args')) { |
| 142 | return $this->post_args; |
| 143 | } |
| 144 | $args = ['timeout' => 0.01, 'blocking' => \false, 'body' => $this->data, 'cookies' => $_COOKIE, 'sslverify' => \apply_filters('https_local_ssl_verify', \false)]; |
| 145 | /* |
| 146 | * Filters the post arguments used during an async request. |
| 147 | * |
| 148 | * @param array $args |
| 149 | */ |
| 150 | return \apply_filters($this->identifier . '_post_args', $args); |
| 151 | } |
| 152 | } |
| 153 |