| 1 |
<?php |
| 2 |
|
| 3 |
// Exit if accessed directly |
| 4 |
if ( ! defined( 'ABSPATH' ) ) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
/** |
| 9 |
* Allows plugins to use their own update API. |
| 10 |
* Modified version with 'polylang' text domain and comments for translators |
| 11 |
* |
| 12 |
* @author Easy Digital Downloads |
| 13 |
* @version 1.6.15 |
| 14 |
*/ |
| 15 |
class PLL_Plugin_Updater { |
| 16 |
|
| 17 |
private $api_url = ''; |
| 18 |
private $api_data = array(); |
| 19 |
private $name = ''; |
| 20 |
private $slug = ''; |
| 21 |
private $version = ''; |
| 22 |
private $wp_override = false; |
| 23 |
private $cache_key = ''; |
| 24 |
|
| 25 |
/** |
| 26 |
* Class constructor. |
| 27 |
* |
| 28 |
* @uses plugin_basename() |
| 29 |
* @uses hook() |
| 30 |
* |
| 31 |
* @param string $_api_url The URL pointing to the custom API endpoint. |
| 32 |
* @param string $_plugin_file Path to the plugin file. |
| 33 |
* @param array $_api_data Optional data to send with API calls. |
| 34 |
*/ |
| 35 |
public function __construct( $_api_url, $_plugin_file, $_api_data = null ) { |
| 36 |
|
| 37 |
global $edd_plugin_data; |
| 38 |
|
| 39 |
$this->api_url = trailingslashit( $_api_url ); |
| 40 |
$this->api_data = $_api_data; |
| 41 |
$this->name = plugin_basename( $_plugin_file ); |
| 42 |
$this->slug = basename( $_plugin_file, '.php' ); |
| 43 |
$this->version = $_api_data['version']; |
| 44 |
$this->wp_override = isset( $_api_data['wp_override'] ) ? (bool) $_api_data['wp_override'] : false; |
| 45 |
$this->beta = ! empty( $this->api_data['beta'] ) ? true : false; |
| 46 |
$this->cache_key = 'edd_sl_' . md5( serialize( $this->slug . $this->api_data['license'] . $this->beta ) ); |
| 47 |
|
| 48 |
$edd_plugin_data[ $this->slug ] = $this->api_data; |
| 49 |
|
| 50 |
// Set up hooks. |
| 51 |
$this->init(); |
| 52 |
|
| 53 |
} |
| 54 |
|
| 55 |
/** |
| 56 |
* Set up WordPress filters to hook into WP's update process. |
| 57 |
* |
| 58 |
* @uses add_filter() |
| 59 |
* |
| 60 |
* @return void |
| 61 |
*/ |
| 62 |
public function init() { |
| 63 |
|
| 64 |
add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ) ); |
| 65 |
add_filter( 'plugins_api', array( $this, 'plugins_api_filter' ), 10, 3 ); |
| 66 |
remove_action( 'after_plugin_row_' . $this->name, 'wp_plugin_update_row', 10 ); |
| 67 |
add_action( 'after_plugin_row_' . $this->name, array( $this, 'show_update_notification' ), 10, 2 ); |
| 68 |
add_action( 'admin_init', array( $this, 'show_changelog' ) ); |
| 69 |
|
| 70 |
} |
| 71 |
|
| 72 |
/** |
| 73 |
* Check for Updates at the defined API endpoint and modify the update array. |
| 74 |
* |
| 75 |
* This function dives into the update API just when WordPress creates its update array, |
| 76 |
* then adds a custom API call and injects the custom plugin data retrieved from the API. |
| 77 |
* It is reassembled from parts of the native WordPress plugin update code. |
| 78 |
* See wp-includes/update.php line 121 for the original wp_update_plugins() function. |
| 79 |
* |
| 80 |
* @uses api_request() |
| 81 |
* |
| 82 |
* @param array $_transient_data Update array build by WordPress. |
| 83 |
* @return array Modified update array with custom plugin data. |
| 84 |
*/ |
| 85 |
public function check_update( $_transient_data ) { |
| 86 |
|
| 87 |
global $pagenow; |
| 88 |
|
| 89 |
if ( ! is_object( $_transient_data ) ) { |
| 90 |
$_transient_data = new stdClass; |
| 91 |
} |
| 92 |
|
| 93 |
if ( 'plugins.php' == $pagenow && is_multisite() ) { |
| 94 |
return $_transient_data; |
| 95 |
} |
| 96 |
|
| 97 |
if ( ! empty( $_transient_data->response ) && ! empty( $_transient_data->response[ $this->name ] ) && false === $this->wp_override ) { |
| 98 |
return $_transient_data; |
| 99 |
} |
| 100 |
|
| 101 |
$version_info = $this->get_cached_version_info(); |
| 102 |
|
| 103 |
if ( false === $version_info ) { |
| 104 |
$version_info = $this->api_request( 'plugin_latest_version', array( 'slug' => $this->slug, 'beta' => $this->beta ) ); |
| 105 |
|
| 106 |
$this->set_version_info_cache( $version_info ); |
| 107 |
|
| 108 |
} |
| 109 |
|
| 110 |
if ( false !== $version_info && is_object( $version_info ) && isset( $version_info->new_version ) ) { |
| 111 |
|
| 112 |
if ( version_compare( $this->version, $version_info->new_version, '<' ) ) { |
| 113 |
|
| 114 |
$_transient_data->response[ $this->name ] = $version_info; |
| 115 |
|
| 116 |
} |
| 117 |
|
| 118 |
$_transient_data->last_checked = current_time( 'timestamp' ); |
| 119 |
$_transient_data->checked[ $this->name ] = $this->version; |
| 120 |
|
| 121 |
} |
| 122 |
|
| 123 |
return $_transient_data; |
| 124 |
} |
| 125 |
|
| 126 |
/** |
| 127 |
* show update nofication row -- needed for multisite subsites, because WP won't tell you otherwise! |
| 128 |
* |
| 129 |
* @param string $file |
| 130 |
* @param array $plugin |
| 131 |
*/ |
| 132 |
public function show_update_notification( $file, $plugin ) { |
| 133 |
|
| 134 |
if ( is_network_admin() ) { |
| 135 |
return; |
| 136 |
} |
| 137 |
|
| 138 |
if( ! current_user_can( 'update_plugins' ) ) { |
| 139 |
return; |
| 140 |
} |
| 141 |
|
| 142 |
if( ! is_multisite() ) { |
| 143 |
return; |
| 144 |
} |
| 145 |
|
| 146 |
if ( $this->name != $file ) { |
| 147 |
return; |
| 148 |
} |
| 149 |
|
| 150 |
// Remove our filter on the site transient |
| 151 |
remove_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ), 10 ); |
| 152 |
|
| 153 |
$update_cache = get_site_transient( 'update_plugins' ); |
| 154 |
|
| 155 |
$update_cache = is_object( $update_cache ) ? $update_cache : new stdClass(); |
| 156 |
|
| 157 |
if ( empty( $update_cache->response ) || empty( $update_cache->response[ $this->name ] ) ) { |
| 158 |
|
| 159 |
$version_info = $this->get_cached_version_info(); |
| 160 |
|
| 161 |
if ( false === $version_info ) { |
| 162 |
$version_info = $this->api_request( 'plugin_latest_version', array( 'slug' => $this->slug, 'beta' => $this->beta ) ); |
| 163 |
|
| 164 |
$this->set_version_info_cache( $version_info ); |
| 165 |
} |
| 166 |
|
| 167 |
if ( ! is_object( $version_info ) ) { |
| 168 |
return; |
| 169 |
} |
| 170 |
|
| 171 |
if ( version_compare( $this->version, $version_info->new_version, '<' ) ) { |
| 172 |
|
| 173 |
$update_cache->response[ $this->name ] = $version_info; |
| 174 |
|
| 175 |
} |
| 176 |
|
| 177 |
$update_cache->last_checked = current_time( 'timestamp' ); |
| 178 |
$update_cache->checked[ $this->name ] = $this->version; |
| 179 |
|
| 180 |
set_site_transient( 'update_plugins', $update_cache ); |
| 181 |
|
| 182 |
} else { |
| 183 |
|
| 184 |
$version_info = $update_cache->response[ $this->name ]; |
| 185 |
|
| 186 |
} |
| 187 |
|
| 188 |
// Restore our filter |
| 189 |
add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ) ); |
| 190 |
|
| 191 |
if ( ! empty( $update_cache->response[ $this->name ] ) && version_compare( $this->version, $version_info->new_version, '<' ) ) { |
| 192 |
|
| 193 |
// build a plugin list row, with update notification |
| 194 |
$wp_list_table = _get_list_table( 'WP_Plugins_List_Table' ); |
| 195 |
# <tr class="plugin-update-tr"><td colspan="' . $wp_list_table->get_column_count() . '" class="plugin-update colspanchange"> |
| 196 |
echo '<tr class="plugin-update-tr" id="' . $this->slug . '-update" data-slug="' . $this->slug . '" data-plugin="' . $this->slug . '/' . $file . '">'; |
| 197 |
echo '<td colspan="3" class="plugin-update colspanchange">'; |
| 198 |
echo '<div class="update-message notice inline notice-warning notice-alt">'; |
| 199 |
|
| 200 |
$changelog_link = self_admin_url( 'index.php?edd_sl_action=view_plugin_changelog&plugin=' . $this->name . '&slug=' . $this->slug . '&TB_iframe=true&width=772&height=911' ); |
| 201 |
|
| 202 |
if ( empty( $version_info->download_link ) ) { |
| 203 |
printf( |
| 204 |
/* translators: %1$s plugin name, %3$s plugin version, %2$s is link start tag, %4$s is link end tag. */ |
| 205 |
esc_html__( 'There is a new version of %1$s available. %2$sView version %3$s details%4$s.', 'polylang' ), |
| 206 |
esc_html( $version_info->name ), |
| 207 |
'<a target="_blank" class="thickbox" href="' . esc_url( $changelog_link ) . '">', |
| 208 |
esc_html( $version_info->new_version ), |
| 209 |
'</a>' |
| 210 |
); |
| 211 |
} else { |
| 212 |
printf( |
| 213 |
/* translators: %1$s plugin name, %3$s plugin version, %2$s and %5$s are link start tags, %4$s and %6$s are link end tags. */ |
| 214 |
esc_html__( 'There is a new version of %1$s available. %2$sView version %3$s details%4$s or %5$supdate now%6$s.', 'polylang' ), |
| 215 |
esc_html( $version_info->name ), |
| 216 |
'<a target="_blank" class="thickbox" href="' . esc_url( $changelog_link ) . '">', |
| 217 |
esc_html( $version_info->new_version ), |
| 218 |
'</a>', |
| 219 |
'<a href="' . esc_url( wp_nonce_url( self_admin_url( 'update.php?action=upgrade-plugin&plugin=' ) . $this->name, 'upgrade-plugin_' . $this->name ) ) .'">', |
| 220 |
'</a>' |
| 221 |
); |
| 222 |
} |
| 223 |
|
| 224 |
do_action( "in_plugin_update_message-{$file}", $plugin, $version_info ); |
| 225 |
|
| 226 |
echo '</div></td></tr>'; |
| 227 |
} |
| 228 |
} |
| 229 |
|
| 230 |
/** |
| 231 |
* Updates information on the "View version x.x details" page with custom data. |
| 232 |
* |
| 233 |
* @uses api_request() |
| 234 |
* |
| 235 |
* @param mixed $_data |
| 236 |
* @param string $_action |
| 237 |
* @param object $_args |
| 238 |
* @return object $_data |
| 239 |
*/ |
| 240 |
public function plugins_api_filter( $_data, $_action = '', $_args = null ) { |
| 241 |
|
| 242 |
if ( $_action != 'plugin_information' ) { |
| 243 |
|
| 244 |
return $_data; |
| 245 |
|
| 246 |
} |
| 247 |
|
| 248 |
if ( ! isset( $_args->slug ) || ( $_args->slug != $this->slug ) ) { |
| 249 |
|
| 250 |
return $_data; |
| 251 |
|
| 252 |
} |
| 253 |
|
| 254 |
$to_send = array( |
| 255 |
'slug' => $this->slug, |
| 256 |
'is_ssl' => is_ssl(), |
| 257 |
'fields' => array( |
| 258 |
'banners' => array(), |
| 259 |
'reviews' => false |
| 260 |
) |
| 261 |
); |
| 262 |
|
| 263 |
$cache_key = 'edd_api_request_' . md5( serialize( $this->slug . $this->api_data['license'] . $this->beta ) ); |
| 264 |
|
| 265 |
// Get the transient where we store the api request for this plugin for 24 hours |
| 266 |
$edd_api_request_transient = $this->get_cached_version_info( $cache_key ); |
| 267 |
|
| 268 |
//If we have no transient-saved value, run the API, set a fresh transient with the API value, and return that value too right now. |
| 269 |
if ( empty( $edd_api_request_transient ) ) { |
| 270 |
|
| 271 |
$api_response = $this->api_request( 'plugin_information', $to_send ); |
| 272 |
|
| 273 |
// Expires in 3 hours |
| 274 |
$this->set_version_info_cache( $api_response, $cache_key ); |
| 275 |
|
| 276 |
if ( false !== $api_response ) { |
| 277 |
$_data = $api_response; |
| 278 |
} |
| 279 |
|
| 280 |
} else { |
| 281 |
$_data = $edd_api_request_transient; |
| 282 |
} |
| 283 |
|
| 284 |
// Convert sections into an associative array, since we're getting an object, but Core expects an array. |
| 285 |
if ( isset( $_data->sections ) && ! is_array( $_data->sections ) ) { |
| 286 |
$new_sections = array(); |
| 287 |
foreach ( $_data->sections as $key => $value ) { |
| 288 |
$new_sections[ $key ] = $value; |
| 289 |
} |
| 290 |
|
| 291 |
$_data->sections = $new_sections; |
| 292 |
} |
| 293 |
|
| 294 |
// Convert banners into an associative array, since we're getting an object, but Core expects an array. |
| 295 |
if ( isset( $_data->banners ) && ! is_array( $_data->banners ) ) { |
| 296 |
$new_banners = array(); |
| 297 |
foreach ( $_data->banners as $key => $value ) { |
| 298 |
$new_banners[ $key ] = $value; |
| 299 |
} |
| 300 |
|
| 301 |
$_data->banners = $new_banners; |
| 302 |
} |
| 303 |
|
| 304 |
return $_data; |
| 305 |
} |
| 306 |
|
| 307 |
/** |
| 308 |
* Disable SSL verification in order to prevent download update failures |
| 309 |
* |
| 310 |
* @param array $args |
| 311 |
* @param string $url |
| 312 |
* @return object $array |
| 313 |
*/ |
| 314 |
public function http_request_args( $args, $url ) { |
| 315 |
|
| 316 |
$verify_ssl = $this->verify_ssl(); |
| 317 |
if ( strpos( $url, 'https://' ) !== false && strpos( $url, 'edd_action=package_download' ) ) { |
| 318 |
$args['sslverify'] = $verify_ssl; |
| 319 |
} |
| 320 |
return $args; |
| 321 |
|
| 322 |
} |
| 323 |
|
| 324 |
/** |
| 325 |
* Calls the API and, if successfull, returns the object delivered by the API. |
| 326 |
* |
| 327 |
* @uses get_bloginfo() |
| 328 |
* @uses wp_remote_post() |
| 329 |
* @uses is_wp_error() |
| 330 |
* |
| 331 |
* @param string $_action The requested action. |
| 332 |
* @param array $_data Parameters for the API action. |
| 333 |
* @return false|object |
| 334 |
*/ |
| 335 |
private function api_request( $_action, $_data ) { |
| 336 |
|
| 337 |
global $wp_version; |
| 338 |
|
| 339 |
$data = array_merge( $this->api_data, $_data ); |
| 340 |
|
| 341 |
if ( $data['slug'] != $this->slug ) { |
| 342 |
return; |
| 343 |
} |
| 344 |
|
| 345 |
if( $this->api_url == trailingslashit (home_url() ) ) { |
| 346 |
return false; // Don't allow a plugin to ping itself |
| 347 |
} |
| 348 |
|
| 349 |
$api_params = array( |
| 350 |
'edd_action' => 'get_version', |
| 351 |
'license' => ! empty( $data['license'] ) ? $data['license'] : '', |
| 352 |
'item_name' => isset( $data['item_name'] ) ? $data['item_name'] : false, |
| 353 |
'item_id' => isset( $data['item_id'] ) ? $data['item_id'] : false, |
| 354 |
'version' => isset( $data['version'] ) ? $data['version'] : false, |
| 355 |
'slug' => $data['slug'], |
| 356 |
'author' => $data['author'], |
| 357 |
'url' => home_url(), |
| 358 |
'beta' => ! empty( $data['beta'] ), |
| 359 |
); |
| 360 |
|
| 361 |
$verify_ssl = $this->verify_ssl(); |
| 362 |
$request = wp_remote_post( $this->api_url, array( 'timeout' => 15, 'sslverify' => $verify_ssl, 'body' => $api_params ) ); |
| 363 |
|
| 364 |
if ( ! is_wp_error( $request ) ) { |
| 365 |
$request = json_decode( wp_remote_retrieve_body( $request ) ); |
| 366 |
} |
| 367 |
|
| 368 |
if ( $request && isset( $request->sections ) ) { |
| 369 |
$request->sections = maybe_unserialize( $request->sections ); |
| 370 |
} else { |
| 371 |
$request = false; |
| 372 |
} |
| 373 |
|
| 374 |
if ( $request && isset( $request->banners ) ) { |
| 375 |
$request->banners = maybe_unserialize( $request->banners ); |
| 376 |
} |
| 377 |
|
| 378 |
if( ! empty( $request->sections ) ) { |
| 379 |
foreach( $request->sections as $key => $section ) { |
| 380 |
$request->$key = (array) $section; |
| 381 |
} |
| 382 |
} |
| 383 |
|
| 384 |
return $request; |
| 385 |
} |
| 386 |
|
| 387 |
public function show_changelog() { |
| 388 |
|
| 389 |
global $edd_plugin_data; |
| 390 |
|
| 391 |
if( empty( $_REQUEST['edd_sl_action'] ) || 'view_plugin_changelog' != $_REQUEST['edd_sl_action'] ) { |
| 392 |
return; |
| 393 |
} |
| 394 |
|
| 395 |
if( empty( $_REQUEST['plugin'] ) ) { |
| 396 |
return; |
| 397 |
} |
| 398 |
|
| 399 |
if( empty( $_REQUEST['slug'] ) ) { |
| 400 |
return; |
| 401 |
} |
| 402 |
|
| 403 |
if( ! current_user_can( 'update_plugins' ) ) { |
| 404 |
wp_die( __( 'You do not have permission to install plugin updates', 'polylang' ), __( 'Error', 'polylang' ), array( 'response' => 403 ) ); |
| 405 |
} |
| 406 |
|
| 407 |
$data = $edd_plugin_data[ $_REQUEST['slug'] ]; |
| 408 |
$beta = ! empty( $data['beta'] ) ? true : false; |
| 409 |
$cache_key = md5( 'edd_plugin_' . sanitize_key( $_REQUEST['plugin'] ) . '_' . $beta . '_version_info' ); |
| 410 |
$version_info = $this->get_cached_version_info( $cache_key ); |
| 411 |
|
| 412 |
if( false === $version_info ) { |
| 413 |
|
| 414 |
$api_params = array( |
| 415 |
'edd_action' => 'get_version', |
| 416 |
'item_name' => isset( $data['item_name'] ) ? $data['item_name'] : false, |
| 417 |
'item_id' => isset( $data['item_id'] ) ? $data['item_id'] : false, |
| 418 |
'slug' => $_REQUEST['slug'], |
| 419 |
'author' => $data['author'], |
| 420 |
'url' => home_url(), |
| 421 |
'beta' => ! empty( $data['beta'] ) |
| 422 |
); |
| 423 |
|
| 424 |
$verify_ssl = $this->verify_ssl(); |
| 425 |
$request = wp_remote_post( $this->api_url, array( 'timeout' => 15, 'sslverify' => $verify_ssl, 'body' => $api_params ) ); |
| 426 |
|
| 427 |
if ( ! is_wp_error( $request ) ) { |
| 428 |
$version_info = json_decode( wp_remote_retrieve_body( $request ) ); |
| 429 |
} |
| 430 |
|
| 431 |
|
| 432 |
if ( ! empty( $version_info ) && isset( $version_info->sections ) ) { |
| 433 |
$version_info->sections = maybe_unserialize( $version_info->sections ); |
| 434 |
} else { |
| 435 |
$version_info = false; |
| 436 |
} |
| 437 |
|
| 438 |
if( ! empty( $version_info ) ) { |
| 439 |
foreach( $version_info->sections as $key => $section ) { |
| 440 |
$version_info->$key = (array) $section; |
| 441 |
} |
| 442 |
} |
| 443 |
|
| 444 |
$this->set_version_info_cache( $version_info, $cache_key ); |
| 445 |
|
| 446 |
} |
| 447 |
|
| 448 |
if( ! empty( $version_info ) && isset( $version_info->sections['changelog'] ) ) { |
| 449 |
echo '<div style="background:#fff;padding:10px;">' . $version_info->sections['changelog'] . '</div>'; |
| 450 |
} |
| 451 |
|
| 452 |
exit; |
| 453 |
} |
| 454 |
|
| 455 |
public function get_cached_version_info( $cache_key = '' ) { |
| 456 |
|
| 457 |
if( empty( $cache_key ) ) { |
| 458 |
$cache_key = $this->cache_key; |
| 459 |
} |
| 460 |
|
| 461 |
$cache = get_option( $cache_key ); |
| 462 |
|
| 463 |
if( empty( $cache['timeout'] ) || current_time( 'timestamp' ) > $cache['timeout'] ) { |
| 464 |
return false; // Cache is expired |
| 465 |
} |
| 466 |
|
| 467 |
return json_decode( $cache['value'] ); |
| 468 |
|
| 469 |
} |
| 470 |
|
| 471 |
public function set_version_info_cache( $value = '', $cache_key = '' ) { |
| 472 |
|
| 473 |
if( empty( $cache_key ) ) { |
| 474 |
$cache_key = $this->cache_key; |
| 475 |
} |
| 476 |
|
| 477 |
$data = array( |
| 478 |
'timeout' => strtotime( '+3 hours', current_time( 'timestamp' ) ), |
| 479 |
'value' => json_encode( $value ) |
| 480 |
); |
| 481 |
|
| 482 |
update_option( $cache_key, $data, 'no' ); |
| 483 |
|
| 484 |
} |
| 485 |
|
| 486 |
/** |
| 487 |
* Returns if the SSL of the store should be verified. |
| 488 |
* |
| 489 |
* @since 1.6.13 |
| 490 |
* @return bool |
| 491 |
*/ |
| 492 |
private function verify_ssl() { |
| 493 |
return (bool) apply_filters( 'edd_sl_api_request_verify_ssl', true, $this ); |
| 494 |
} |
| 495 |
|
| 496 |
} |
| 497 |
|
