| 1 |
<?php |
| 2 |
|
| 3 |
class Red_Item { |
| 4 |
private $id = null; |
| 5 |
private $url = null; |
| 6 |
private $regex = false; |
| 7 |
private $action_data = null; |
| 8 |
private $action_code = 0; |
| 9 |
private $action_type; |
| 10 |
private $match_type; |
| 11 |
private $title; |
| 12 |
private $last_access = null; |
| 13 |
private $last_count = 0; |
| 14 |
private $status; |
| 15 |
private $position; |
| 16 |
private $group_id; |
| 17 |
|
| 18 |
function __construct( $values, $type = '', $match = '' ) { |
| 19 |
if ( is_object( $values ) ) { |
| 20 |
$this->load_from_data( $values ); |
| 21 |
|
| 22 |
if ( $this->last_access === '0000-00-00 00:00:00' ) { |
| 23 |
$this->last_access = 0; |
| 24 |
} else { |
| 25 |
$this->last_access = mysql2date( 'U', $this->last_access ); |
| 26 |
} |
| 27 |
} |
| 28 |
} |
| 29 |
|
| 30 |
private function load_from_data( stdClass $values ) { |
| 31 |
foreach ( $values as $key => $value ) { |
| 32 |
$this->$key = $value; |
| 33 |
} |
| 34 |
|
| 35 |
if ( $this->match_type === '' ) { |
| 36 |
$this->match_type = 'url'; |
| 37 |
} |
| 38 |
|
| 39 |
$this->regex = (bool)$this->regex; |
| 40 |
$this->match = Red_Match::create( $this->match_type, $this->action_data ); |
| 41 |
$this->match->id = $this->id; |
| 42 |
$this->match->action_code = $this->action_code; |
| 43 |
|
| 44 |
$action = false; |
| 45 |
|
| 46 |
if ( $this->action_type ) { |
| 47 |
$action = Red_Action::create( $this->action_type, $this->action_code ); |
| 48 |
} |
| 49 |
|
| 50 |
if ( $action ) { |
| 51 |
$this->action = $action; |
| 52 |
$this->match->action = $this->action; |
| 53 |
} |
| 54 |
else { |
| 55 |
$this->action = Red_Action::create( 'nothing', 0 ); |
| 56 |
} |
| 57 |
} |
| 58 |
|
| 59 |
static function get_all_for_module( $module ) { |
| 60 |
global $wpdb; |
| 61 |
|
| 62 |
$sql = $wpdb->prepare( "SELECT {$wpdb->prefix}redirection_items.* FROM {$wpdb->prefix}redirection_items |
| 63 |
INNER JOIN {$wpdb->prefix}redirection_groups ON {$wpdb->prefix}redirection_groups.id={$wpdb->prefix}redirection_items.group_id |
| 64 |
AND {$wpdb->prefix}redirection_groups.status='enabled' AND {$wpdb->prefix}redirection_groups.module_id=%d |
| 65 |
WHERE {$wpdb->prefix}redirection_items.status='enabled' |
| 66 |
ORDER BY {$wpdb->prefix}redirection_groups.position,{$wpdb->prefix}redirection_items.position", $module ); |
| 67 |
|
| 68 |
$rows = $wpdb->get_results( $sql ); |
| 69 |
$items = array(); |
| 70 |
|
| 71 |
foreach ( (array) $rows as $row ) { |
| 72 |
$items[] = new Red_Item( $row ); |
| 73 |
} |
| 74 |
|
| 75 |
return $items; |
| 76 |
} |
| 77 |
|
| 78 |
static function get_for_url( $url ) { |
| 79 |
global $wpdb; |
| 80 |
|
| 81 |
$sql = $wpdb->prepare( "SELECT {$wpdb->prefix}redirection_items.*,{$wpdb->prefix}redirection_groups.position AS group_pos |
| 82 |
FROM {$wpdb->prefix}redirection_items INNER JOIN {$wpdb->prefix}redirection_groups ON |
| 83 |
{$wpdb->prefix}redirection_groups.id={$wpdb->prefix}redirection_items.group_id AND {$wpdb->prefix}redirection_groups.status='enabled' |
| 84 |
AND {$wpdb->prefix}redirection_groups.module_id=%d WHERE ({$wpdb->prefix}redirection_items.regex=1 |
| 85 |
OR {$wpdb->prefix}redirection_items.url=%s)", WordPress_Module::MODULE_ID, $url ); |
| 86 |
|
| 87 |
$rows = $wpdb->get_results( $sql ); |
| 88 |
$items = array(); |
| 89 |
if ( count( $rows ) > 0 ) { |
| 90 |
foreach ( $rows as $row ) { |
| 91 |
$items[] = array( 'position' => ( $row->group_pos * 1000 ) + $row->position, 'item' => new Red_Item( $row ) ); |
| 92 |
} |
| 93 |
} |
| 94 |
|
| 95 |
usort( $items, array( 'Red_Item', 'sort_urls' ) ); |
| 96 |
$items = array_map( array( 'Red_Item', 'reduce_sorted_items' ), $items ); |
| 97 |
|
| 98 |
// Sort it in PHP |
| 99 |
ksort( $items ); |
| 100 |
$items = array_values( $items ); |
| 101 |
return $items; |
| 102 |
} |
| 103 |
|
| 104 |
static function get_all() { |
| 105 |
global $wpdb; |
| 106 |
|
| 107 |
$rows = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}redirection_items" ); |
| 108 |
$items = array(); |
| 109 |
|
| 110 |
foreach ( (array) $rows as $row ) { |
| 111 |
$items[] = new Red_Item( $row ); |
| 112 |
} |
| 113 |
|
| 114 |
return $items; |
| 115 |
} |
| 116 |
|
| 117 |
static function sort_urls( $first, $second ) { |
| 118 |
if ( $first['position'] === $second['position'] ) { |
| 119 |
return 0; |
| 120 |
} |
| 121 |
|
| 122 |
return ($first['position'] < $second['position']) ? -1 : 1; |
| 123 |
} |
| 124 |
|
| 125 |
static function reduce_sorted_items( $item ) { |
| 126 |
return $item['item']; |
| 127 |
} |
| 128 |
|
| 129 |
static function get_by_id( $id ) { |
| 130 |
global $wpdb; |
| 131 |
|
| 132 |
$row = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}redirection_items WHERE id=%d", $id ) ); |
| 133 |
if ( $row ) |
| 134 |
return new Red_Item( $row ); |
| 135 |
return false; |
| 136 |
} |
| 137 |
|
| 138 |
public static function disable_where_matches( $url ) { |
| 139 |
global $wpdb; |
| 140 |
|
| 141 |
$wpdb->update( $wpdb->prefix.'redirection_items', array( 'status' => 'disabled' ), array( 'url' => $url ) ); |
| 142 |
} |
| 143 |
|
| 144 |
public function delete() { |
| 145 |
global $wpdb; |
| 146 |
|
| 147 |
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}redirection_items WHERE id=%d", $this->id ) ); |
| 148 |
|
| 149 |
Red_Module::flush( $this->group_id ); |
| 150 |
} |
| 151 |
|
| 152 |
static function create( array $details ) { |
| 153 |
global $wpdb; |
| 154 |
|
| 155 |
$sanitizer = new Red_Item_Sanitize(); |
| 156 |
$data = $sanitizer->get( $details ); |
| 157 |
if ( is_wp_error( $data ) ) { |
| 158 |
return $data; |
| 159 |
} |
| 160 |
|
| 161 |
$data['status'] = isset( $details['status'] ) && $details['status'] === 'disabled' ? 'disabled' : 'enabled'; |
| 162 |
$data['position'] = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$wpdb->prefix}redirection_items WHERE group_id=%d", $data['group_id'] ) ); |
| 163 |
$data = apply_filters( 'redirection_create_redirect', $data ); |
| 164 |
|
| 165 |
// Create |
| 166 |
if ( $wpdb->insert( $wpdb->prefix.'redirection_items', $data ) !== false ) { |
| 167 |
Red_Module::flush( $data['group_id'] ); |
| 168 |
return self::get_by_id( $wpdb->insert_id ); |
| 169 |
} |
| 170 |
|
| 171 |
return new WP_Error( 'redirect', __( 'Unable to add new redirect' ) ); |
| 172 |
} |
| 173 |
|
| 174 |
public function update( $details ) { |
| 175 |
global $wpdb; |
| 176 |
|
| 177 |
$sanitizer = new Red_Item_Sanitize(); |
| 178 |
$data = $sanitizer->get( $details ); |
| 179 |
|
| 180 |
if ( is_wp_error( $data ) ) { |
| 181 |
return $data; |
| 182 |
} |
| 183 |
|
| 184 |
$old_group = false; |
| 185 |
if ( $data['group_id'] !== $this->group_id ) { |
| 186 |
$old_group = $this->group_id; |
| 187 |
} |
| 188 |
|
| 189 |
// Save this |
| 190 |
$wpdb->update( $wpdb->prefix.'redirection_items', $data, array( 'id' => $this->id ) ); |
| 191 |
|
| 192 |
$this->load_from_data( (object) $data ); |
| 193 |
|
| 194 |
Red_Module::flush( $this->group_id ); |
| 195 |
|
| 196 |
if ( $old_group !== $this->group_id ) { |
| 197 |
Red_Module::flush( $old_group ); |
| 198 |
} |
| 199 |
|
| 200 |
return true; |
| 201 |
} |
| 202 |
|
| 203 |
public function matches( $url ) { |
| 204 |
if ( ! $this->is_enabled() ) { |
| 205 |
return false; |
| 206 |
} |
| 207 |
|
| 208 |
$this->url = str_replace( ' ', '%20', $this->url ); |
| 209 |
$matches = false; |
| 210 |
|
| 211 |
// Check if we match the URL |
| 212 |
if ( ( $this->regex === false && ( $this->url === $url || $this->url === rtrim( $url, '/' ) || $this->url === urldecode( $url ) ) ) || ( $this->regex === true && @preg_match( '@'.str_replace( '@', '\\@', $this->url ).'@', $url, $matches ) > 0) || ( $this->regex === true && @preg_match( '@'.str_replace( '@', '\\@', $this->url ).'@', urldecode( $url ), $matches ) > 0) ) { |
| 213 |
// Check if our match wants this URL |
| 214 |
$target = $this->match->get_target( $url, $this->url, $this->regex ); |
| 215 |
$target = apply_filters( 'redirection_url_target', $target, $this->url ); |
| 216 |
$target = $this->action->process_before( $this->action_code, $target ); |
| 217 |
|
| 218 |
if ( $target ) { |
| 219 |
do_action( 'redirection_visit', $this, $url, $target ); |
| 220 |
return $this->action->process_after( $this->action_code, $target ); |
| 221 |
} |
| 222 |
|
| 223 |
return true; |
| 224 |
} |
| 225 |
|
| 226 |
return false; |
| 227 |
} |
| 228 |
|
| 229 |
public function visit( $url, $target ) { |
| 230 |
global $wpdb; |
| 231 |
|
| 232 |
$options = red_get_options(); |
| 233 |
|
| 234 |
// Update the counters |
| 235 |
$this->last_count++; |
| 236 |
$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->prefix}redirection_items SET last_count=last_count+1, last_access=NOW() WHERE id=%d", $this->id ) ); |
| 237 |
|
| 238 |
if ( isset( $options['expire_redirect'] ) && $options['expire_redirect'] !== -1 && $target ) { |
| 239 |
RE_Log::create( $url, $target, Redirection_Request::get_user_agent(), Redirection_Request::get_ip(), Redirection_Request::get_referrer(), array( 'redirect_id' => $this->id, 'group_id' => $this->group_id ) ); |
| 240 |
} |
| 241 |
} |
| 242 |
|
| 243 |
public function is_enabled() { |
| 244 |
return $this->status === 'enabled'; |
| 245 |
} |
| 246 |
|
| 247 |
public function reset() { |
| 248 |
global $wpdb; |
| 249 |
|
| 250 |
$this->last_count = 0; |
| 251 |
$this->last_access = '0000-00-00 00:00:00'; |
| 252 |
|
| 253 |
$wpdb->update( $wpdb->prefix.'redirection_items', array( 'last_count' => 0, 'last_access' => $this->last_access ), array( 'id' => $this->id ) ); |
| 254 |
} |
| 255 |
|
| 256 |
public function enable() { |
| 257 |
global $wpdb; |
| 258 |
|
| 259 |
$this->status = 'enabled'; |
| 260 |
$wpdb->update( $wpdb->prefix.'redirection_items', array( 'status' => $this->status ), array( 'id' => $this->id ) ); |
| 261 |
} |
| 262 |
|
| 263 |
public function disable() { |
| 264 |
global $wpdb; |
| 265 |
|
| 266 |
$this->status = 'disabled'; |
| 267 |
$wpdb->update( $wpdb->prefix.'redirection_items', array( 'status' => $this->status ), array( 'id' => $this->id ) ); |
| 268 |
} |
| 269 |
|
| 270 |
public function get_id() { |
| 271 |
return intval( $this->id, 10 ); |
| 272 |
} |
| 273 |
|
| 274 |
public function get_position() { |
| 275 |
return intval( $this->position, 10 ); |
| 276 |
} |
| 277 |
|
| 278 |
public function get_group_id() { |
| 279 |
return intval( $this->group_id, 10 ); |
| 280 |
} |
| 281 |
|
| 282 |
public function get_url() { |
| 283 |
return $this->url; |
| 284 |
} |
| 285 |
|
| 286 |
public function get_title() { |
| 287 |
return $this->title ? $this->title : ''; |
| 288 |
} |
| 289 |
|
| 290 |
public function get_hits() { |
| 291 |
return intval( $this->last_count, 10 ); |
| 292 |
} |
| 293 |
|
| 294 |
public function get_last_hit() { |
| 295 |
return intval( $this->last_access, 10 ); |
| 296 |
} |
| 297 |
|
| 298 |
public function is_regex() { |
| 299 |
return $this->regex ? true : false; |
| 300 |
} |
| 301 |
|
| 302 |
public function get_match_type() { |
| 303 |
return $this->match_type; |
| 304 |
} |
| 305 |
|
| 306 |
public function get_action_type() { |
| 307 |
return $this->action_type; |
| 308 |
} |
| 309 |
|
| 310 |
public function get_action_code() { |
| 311 |
return intval( $this->action_code, 10 ); |
| 312 |
} |
| 313 |
|
| 314 |
public function get_action_data() { |
| 315 |
return $this->action_data ? $this->action_data : ''; |
| 316 |
} |
| 317 |
|
| 318 |
public static function get_filtered( array $params ) { |
| 319 |
global $wpdb; |
| 320 |
|
| 321 |
$orderby = 'id'; |
| 322 |
$direction = 'DESC'; |
| 323 |
$limit = RED_DEFAULT_PER_PAGE; |
| 324 |
$offset = 0; |
| 325 |
$where = ''; |
| 326 |
|
| 327 |
if ( isset( $params['orderBy'] ) && in_array( $params['orderBy'], array( 'url', 'last_count', 'last_access', 'position' ), true ) ) { |
| 328 |
$orderby = $params['orderBy']; |
| 329 |
} |
| 330 |
|
| 331 |
if ( isset( $params['direction'] ) && in_array( $params['direction'], array( 'asc', 'desc' ), true ) ) { |
| 332 |
$direction = strtoupper( $params['direction'] ); |
| 333 |
} |
| 334 |
|
| 335 |
if ( isset( $params['filter'] ) && strlen( $params['filter'] ) > 0 && $params['filter'] !== '0' ) { |
| 336 |
if ( isset( $params['filterBy'] ) && $params['filterBy'] === 'group' ) { |
| 337 |
$where = $wpdb->prepare( "WHERE group_id=%d", intval( $params['filter'], 10 ) ); |
| 338 |
} else { |
| 339 |
$where = $wpdb->prepare( 'WHERE url LIKE %s', '%'.$wpdb->esc_like( trim( $params['filter'] ) ).'%' ); |
| 340 |
} |
| 341 |
} |
| 342 |
|
| 343 |
if ( isset( $params['perPage'] ) ) { |
| 344 |
$limit = intval( $params['perPage'], 10 ); |
| 345 |
$limit = min( RED_MAX_PER_PAGE, $limit ); |
| 346 |
$limit = max( 5, $limit ); |
| 347 |
} |
| 348 |
|
| 349 |
if ( isset( $params['page'] ) ) { |
| 350 |
$offset = intval( $params['page'], 10 ); |
| 351 |
$offset = max( 0, $offset ); |
| 352 |
$offset *= $limit; |
| 353 |
} |
| 354 |
|
| 355 |
$table = $wpdb->prefix.'redirection_items'; |
| 356 |
$sql = trim( "SELECT * FROM {$table} $where " ).$wpdb->prepare( " ORDER BY $orderby $direction LIMIT %d,%d", $offset, $limit ); |
| 357 |
|
| 358 |
$rows = $wpdb->get_results( $sql ); |
| 359 |
$total_items = intval( $wpdb->get_var( "SELECT COUNT(*) FROM {$table} ".$where ) ); |
| 360 |
$items = array(); |
| 361 |
|
| 362 |
foreach ( $rows as $row ) { |
| 363 |
$group = new Red_Item( $row ); |
| 364 |
$items[] = $group->to_json(); |
| 365 |
} |
| 366 |
|
| 367 |
return array( |
| 368 |
'items' => $items, |
| 369 |
'total' => intval( $total_items, 10 ), |
| 370 |
); |
| 371 |
} |
| 372 |
|
| 373 |
public function to_json() { |
| 374 |
return array( |
| 375 |
'id' => $this->get_id(), |
| 376 |
'url' => $this->get_url(), |
| 377 |
'action_code' => $this->get_action_code(), |
| 378 |
'action_type' => $this->get_action_type(), |
| 379 |
'action_data' => $this->match->get_data(), |
| 380 |
'match_type' => $this->get_match_type(), |
| 381 |
'title' => $this->get_title(), |
| 382 |
'hits' => $this->get_hits(), |
| 383 |
'regex' => $this->is_regex(), |
| 384 |
'group_id' => $this->get_group_id(), |
| 385 |
'position' => $this->get_position(), |
| 386 |
'last_access' => $this->get_last_hit() > 0 ? date_i18n( get_option( 'date_format' ), $this->get_last_hit() ) : '-', |
| 387 |
'enabled' => $this->is_enabled(), |
| 388 |
); |
| 389 |
} |
| 390 |
} |
| 391 |
|
| 392 |
class Red_Item_Sanitize { |
| 393 |
public function get( array $details ) { |
| 394 |
$data = array(); |
| 395 |
|
| 396 |
$details = array_map( 'trim', $details ); |
| 397 |
$details = array_map( 'stripslashes', $details ); |
| 398 |
|
| 399 |
$data['regex'] = isset( $details['regex'] ) && ( $details['regex'] === 'true' || $details['regex'] === '1' ) ? 1 : 0; |
| 400 |
$data['title'] = isset( $details['title'] ) ? $details['title'] : null; |
| 401 |
$data['url'] = $this->get_url( empty( $details['url'] ) ? $this->auto_generate() : $details['url'], $data['regex'] ); |
| 402 |
$data['group_id'] = $this->get_group( isset( $details['group_id'] ) ? $details['group_id'] : 0 ); |
| 403 |
$data['position'] = $this->get_position( $details ); |
| 404 |
|
| 405 |
if ( $data['title'] ) { |
| 406 |
$data['title'] = substr( $data['title'], 0, 50 ); |
| 407 |
} |
| 408 |
|
| 409 |
$matcher = Red_Match::create( isset( $details['match_type'] ) ? $details['match_type'] : false ); |
| 410 |
if ( ! $matcher ) { |
| 411 |
return new WP_Error( 'redirect', __( 'Invalid redirect matcher', 'redirection' ) ); |
| 412 |
} |
| 413 |
|
| 414 |
$action_code = isset( $details['action_code'] ) ? intval( $details['action_code'], 10 ) : 0; |
| 415 |
$action = Red_Action::create( isset( $details['action_type'] ) ? $details['action_type'] : false, $action_code ); |
| 416 |
if ( ! $action ) { |
| 417 |
return new WP_Error( 'redirect', __( 'Invalid redirect action', 'redirection' ) ); |
| 418 |
} |
| 419 |
|
| 420 |
$data['action_type'] = $details['action_type']; |
| 421 |
$data['action_code'] = $this->get_code( $details['action_type'], $action_code ); |
| 422 |
$data['match_type'] = $details['match_type']; |
| 423 |
|
| 424 |
$match_data = $matcher->save( $details, ! $this->is_url_type( $data['action_type'] ) ); |
| 425 |
|
| 426 |
$data['action_data'] = is_array( $match_data ) ? serialize( $match_data ) : $match_data; |
| 427 |
|
| 428 |
// Any errors? |
| 429 |
foreach ( $data as $value ) { |
| 430 |
if ( is_wp_error( $value ) ) { |
| 431 |
return $value; |
| 432 |
} |
| 433 |
} |
| 434 |
|
| 435 |
return apply_filters( 'redirection_validate_redirect', $data ); |
| 436 |
} |
| 437 |
|
| 438 |
protected function get_position( $details ) { |
| 439 |
if ( isset( $details['position'] ) ) { |
| 440 |
return max( 0, intval( $details['position'], 10 ) ); |
| 441 |
} |
| 442 |
|
| 443 |
return 0; |
| 444 |
} |
| 445 |
|
| 446 |
protected function is_url_type( $type ) { |
| 447 |
if ( $type === 'url' || $type === 'pass' ) { |
| 448 |
return true; |
| 449 |
} |
| 450 |
|
| 451 |
return false; |
| 452 |
} |
| 453 |
|
| 454 |
protected function get_code( $action_type, $code ) { |
| 455 |
if ( $action_type === 'url' || $action_type === 'random' ) { |
| 456 |
if ( in_array( $code, array( 301, 302, 307, 308 ), true ) ) { |
| 457 |
return $code; |
| 458 |
} |
| 459 |
} |
| 460 |
|
| 461 |
if ( $action_type === 'error' ) { |
| 462 |
if ( in_array( $code, array( 401, 404, 410 ), true ) ) { |
| 463 |
return $code; |
| 464 |
} |
| 465 |
} |
| 466 |
|
| 467 |
return 0; |
| 468 |
} |
| 469 |
|
| 470 |
protected function get_group( $group_id ) { |
| 471 |
$group_id = intval( $group_id, 10 ); |
| 472 |
|
| 473 |
if ( ! Red_Group::get( $group_id ) ) { |
| 474 |
return new WP_Error( 'redirect', __( 'Invalid group when creating redirect', 'redirection' ) ); |
| 475 |
} |
| 476 |
|
| 477 |
return $group_id; |
| 478 |
} |
| 479 |
|
| 480 |
protected function get_url( $url, $regex ) { |
| 481 |
$url = self::sanitize_url( $url, $regex ); |
| 482 |
|
| 483 |
if ( $url === '' ) { |
| 484 |
return new WP_Error( 'redirect', __( 'Invalid source URL', 'redirection' ) ); |
| 485 |
} |
| 486 |
|
| 487 |
return $url; |
| 488 |
} |
| 489 |
|
| 490 |
protected function auto_generate() { |
| 491 |
$options = red_get_options(); |
| 492 |
$url = ''; |
| 493 |
|
| 494 |
if ( isset( $options['auto_target'] ) && $options['auto_target'] ) { |
| 495 |
$id = time(); |
| 496 |
$url = str_replace( '$dec$', $id, $options['auto_target'] ); |
| 497 |
$url = str_replace( '$hex$', sprintf( '%x', $id ), $url ); |
| 498 |
} |
| 499 |
|
| 500 |
return $url; |
| 501 |
} |
| 502 |
|
| 503 |
public function sanitize_url( $url, $regex = false ) { |
| 504 |
// Make sure that the old URL is relative |
| 505 |
$url = preg_replace( '@^https?://(.*?)/@', '/', $url ); |
| 506 |
$url = preg_replace( '@^https?://(.*?)$@', '/', $url ); |
| 507 |
|
| 508 |
// No new lines |
| 509 |
$url = preg_replace( "/[\r\n\t].*?$/s", '', $url ); |
| 510 |
|
| 511 |
// Clean control codes |
| 512 |
$url = preg_replace( '/[^\PC\s]/u', '', $url ); |
| 513 |
|
| 514 |
// Ensure a slash at start |
| 515 |
if ( substr( $url, 0, 1 ) !== '/' && $regex === false ) { |
| 516 |
$url = '/'.$url; |
| 517 |
} |
| 518 |
|
| 519 |
return $url; |
| 520 |
} |
| 521 |
} |
| 522 |
|
