| 1 |
<?php |
| 2 |
|
| 3 |
namespace passster; |
| 4 |
|
| 5 |
use Exception; |
| 6 |
class PS_Public { |
| 7 |
/** |
| 8 |
* Contains instance or null |
| 9 |
* |
| 10 |
* @var object|null |
| 11 |
*/ |
| 12 |
private static $instance = null; |
| 13 |
|
| 14 |
/** |
| 15 |
* Track which posts have already had their protection form rendered |
| 16 |
* to prevent duplicate forms on page builders like Avada. |
| 17 |
* |
| 18 |
* @var array |
| 19 |
*/ |
| 20 |
private static $rendered_protection = array(); |
| 21 |
|
| 22 |
/** |
| 23 |
* Constructor for PS_Public |
| 24 |
*/ |
| 25 |
public function __construct() { |
| 26 |
add_shortcode( 'content_protector', array($this, 'render_shortcode') ); |
| 27 |
add_shortcode( 'passster', array($this, 'render_shortcode') ); |
| 28 |
add_filter( 'the_content', array($this, 'filter_the_content') ); |
| 29 |
add_filter( 'acf_the_content', array($this, 'filter_the_content') ); |
| 30 |
add_filter( 'get_the_excerpt', array($this, 'filter_the_content') ); |
| 31 |
add_action( 'template_redirect', array($this, 'check_global_proctection') ); |
| 32 |
add_action( 'wp_enqueue_scripts', array($this, 'add_public_scripts'), 9999 ); |
| 33 |
} |
| 34 |
|
| 35 |
/** |
| 36 |
* Returns instance of PS_Public. |
| 37 |
* |
| 38 |
* @return object |
| 39 |
*/ |
| 40 |
public static function get_instance() { |
| 41 |
if ( null === self::$instance ) { |
| 42 |
self::$instance = new self(); |
| 43 |
} |
| 44 |
return self::$instance; |
| 45 |
} |
| 46 |
|
| 47 |
/** |
| 48 |
* Avoids re-entering the_content recursively. |
| 49 |
* |
| 50 |
* @param string $content the unlocked content. |
| 51 |
* |
| 52 |
* @return string |
| 53 |
*/ |
| 54 |
private function render_unlocked_content( string $content ) : string { |
| 55 |
if ( doing_filter( 'the_content' ) ) { |
| 56 |
// Mirror the_content order: blocks first, wpautop only for classic content. |
| 57 |
if ( has_blocks( $content ) ) { |
| 58 |
return do_shortcode( do_blocks( $content ) ); |
| 59 |
} |
| 60 |
return wpautop( do_shortcode( $content ) ); |
| 61 |
} |
| 62 |
return apply_filters( 'the_content', $content ); |
| 63 |
} |
| 64 |
|
| 65 |
/** |
| 66 |
* Render the Passster shortcode. |
| 67 |
* |
| 68 |
* @param array $atts array of attributes. |
| 69 |
* @param string|null $content the current content. |
| 70 |
* |
| 71 |
* @return string |
| 72 |
*/ |
| 73 |
public function render_shortcode( array $atts, string $content = null ) : string { |
| 74 |
// Schedule check for protected areas (PRO only). |
| 75 |
if ( !empty( $atts['area'] ) && \passster_fs()->is_plan_or_trial__premium_only( 'pro' ) ) { |
| 76 |
$area_id = absint( $atts['area'] ); |
| 77 |
$schedule_enabled = get_post_meta( $area_id, 'passster_schedule_enabled', true ); |
| 78 |
if ( $schedule_enabled ) { |
| 79 |
$schedule_start = get_post_meta( $area_id, 'passster_schedule_start', true ); |
| 80 |
$schedule_end = get_post_meta( $area_id, 'passster_schedule_end', true ); |
| 81 |
$now = current_time( 'timestamp' ); |
| 82 |
$in_schedule = true; |
| 83 |
if ( !empty( $schedule_start ) && $now < strtotime( $schedule_start ) ) { |
| 84 |
$in_schedule = false; |
| 85 |
} |
| 86 |
if ( !empty( $schedule_end ) && $now > strtotime( $schedule_end ) ) { |
| 87 |
$in_schedule = false; |
| 88 |
} |
| 89 |
if ( !$in_schedule ) { |
| 90 |
$area = get_post( $area_id ); |
| 91 |
if ( $area && ('publish' === $area->post_status || current_user_can( 'edit_post', $area_id )) ) { |
| 92 |
return $this->render_unlocked_content( str_replace( '{post-id}', get_the_id(), $area->post_content ) ); |
| 93 |
} |
| 94 |
return $content ?? ''; |
| 95 |
} |
| 96 |
} |
| 97 |
} |
| 98 |
// check if valid before restrict anything. |
| 99 |
$valid = PS_Conditional::is_valid( $atts ); |
| 100 |
$options = get_option( 'passster' ); |
| 101 |
if ( $valid ) { |
| 102 |
if ( !empty( $atts['area'] ) ) { |
| 103 |
$area_id = esc_html( $atts['area'] ); |
| 104 |
$area = get_post( $area_id ); |
| 105 |
if ( 'publish' === $area->post_status || current_user_can( 'edit_post', $area_id ) ) { |
| 106 |
$content = $area->post_content; |
| 107 |
do_action( 'passster_content_unlocked' ); |
| 108 |
return $this->render_unlocked_content( str_replace( '{post-id}', get_the_id(), $content ) ); |
| 109 |
} |
| 110 |
} else { |
| 111 |
$content = $this->render_unlocked_content( $content ); |
| 112 |
do_action( 'passster_content_unlocked' ); |
| 113 |
return apply_filters( 'passster_content', $content ); |
| 114 |
} |
| 115 |
} |
| 116 |
// do nothing if no atts. |
| 117 |
if ( empty( $atts ) ) { |
| 118 |
return $content; |
| 119 |
} |
| 120 |
// Set default form. |
| 121 |
$form = PS_Form::get_password_form(); |
| 122 |
// Password. |
| 123 |
if ( !empty( $atts['password'] ) ) { |
| 124 |
$form = PS_Form::get_password_form(); |
| 125 |
$form = str_replace( '[PASSSTER_TYPE]', 'password', $form ); |
| 126 |
} |
| 127 |
// Area. |
| 128 |
if ( !empty( $atts['area'] ) ) { |
| 129 |
$area_id = absint( $atts['area'] ); |
| 130 |
$form = str_replace( '[PASSSTER_AREA]', $area_id, $form ); |
| 131 |
} |
| 132 |
// Page. |
| 133 |
if ( !empty( $atts['protection'] ) ) { |
| 134 |
$form = str_replace( '[PASSSTER_PROTECTION]', 'full', $form ); |
| 135 |
} elseif ( !empty( $atts['area'] ) ) { |
| 136 |
$form = str_replace( '[PASSSTER_PROTECTION]', 'area', $form ); |
| 137 |
} |
| 138 |
// Redirect. |
| 139 |
if ( !empty( $atts['redirect'] ) ) { |
| 140 |
$form = str_replace( '[PASSSTER_REDIRECT]', esc_url( $atts['redirect'] ), $form ); |
| 141 |
} else { |
| 142 |
$form = str_replace( '[PASSSTER_REDIRECT]', '', $form ); |
| 143 |
} |
| 144 |
// headline tag. |
| 145 |
$allowed_headline_tags = array( |
| 146 |
'span', |
| 147 |
'p', |
| 148 |
'div', |
| 149 |
'h1', |
| 150 |
'h2', |
| 151 |
'h3', |
| 152 |
'h4', |
| 153 |
'h5', |
| 154 |
'h6' |
| 155 |
); |
| 156 |
$headline_tag = ( isset( $options['headline_tag'] ) && in_array( $options['headline_tag'], $allowed_headline_tags, true ) ? $options['headline_tag'] : 'span' ); |
| 157 |
$form = str_replace( '[PASSSTER_HEADLINE_TAG]', $headline_tag, $form ); |
| 158 |
// headline. |
| 159 |
if ( !empty( $options['hide_headline'] ) ) { |
| 160 |
$form = str_replace( '[PASSSTER_FORM_HEADLINE]', '', $form ); |
| 161 |
} elseif ( !empty( $atts['headline'] ) ) { |
| 162 |
$form = str_replace( '[PASSSTER_FORM_HEADLINE]', esc_html( $atts['headline'] ), $form ); |
| 163 |
} else { |
| 164 |
$form = str_replace( '[PASSSTER_FORM_HEADLINE]', esc_html( $options['headline'] ), $form ); |
| 165 |
} |
| 166 |
// instruction. |
| 167 |
if ( !empty( $atts['instruction'] ) ) { |
| 168 |
$decoded_instruction = base64_decode( $atts['instruction'] ); |
| 169 |
$decoded_instruction = html_entity_decode( $decoded_instruction ); |
| 170 |
$sanitized_instruction = wp_kses_post( $decoded_instruction ); |
| 171 |
$form = str_replace( '[PASSSTER_FORM_INSTRUCTIONS]', $sanitized_instruction, $form ); |
| 172 |
} else { |
| 173 |
$form = str_replace( '[PASSSTER_FORM_INSTRUCTIONS]', wp_kses_post( $options['instruction'] ), $form ); |
| 174 |
} |
| 175 |
// placeholder. |
| 176 |
if ( !empty( $atts['placeholder'] ) ) { |
| 177 |
$form = str_replace( '[PASSSTER_PLACEHOLDER]', esc_attr( $atts['placeholder'] ), $form ); |
| 178 |
} else { |
| 179 |
$form = str_replace( '[PASSSTER_PLACEHOLDER]', esc_attr( $options['placeholder'] ), $form ); |
| 180 |
} |
| 181 |
// label. |
| 182 |
$form = str_replace( '[PASSSTER_LABEL]', esc_html__( 'Enter your password', 'content-protector' ), $form ); |
| 183 |
// button. |
| 184 |
if ( !empty( $atts['button'] ) ) { |
| 185 |
$form = str_replace( '[PASSSTER_BUTTON_LABEL]', esc_html( $atts['button'] ), $form ); |
| 186 |
} else { |
| 187 |
$form = str_replace( '[PASSSTER_BUTTON_LABEL]', esc_html( $options['button_label'] ), $form ); |
| 188 |
} |
| 189 |
// modify id. |
| 190 |
if ( !empty( $atts['id'] ) ) { |
| 191 |
$form = str_replace( '[PASSSTER_ID]', 'ps-' . esc_attr( $atts['id'] ), $form ); |
| 192 |
} else { |
| 193 |
$form = str_replace( '[PASSSTER_ID]', 'ps-' . wp_rand( 10, 1000 ), $form ); |
| 194 |
} |
| 195 |
// post id (per-form, for correct REST unlock on archive pages with multiple protected posts). |
| 196 |
$form = str_replace( '[PASSSTER_POST_ID]', absint( get_the_ID() ), $form ); |
| 197 |
// term id (for category archive protection — passed to REST API so it can validate against term meta). |
| 198 |
$term_id_val = ( !empty( $atts['term_id'] ) ? absint( $atts['term_id'] ) : 0 ); |
| 199 |
$form = str_replace( '[PASSSTER_TERM_ID]', $term_id_val, $form ); |
| 200 |
// post type (for post type archive protection — passed to REST API so it can validate against post type config). |
| 201 |
$post_type_val = ( !empty( $atts['post_type'] ) ? sanitize_key( $atts['post_type'] ) : '' ); |
| 202 |
$form = str_replace( '[PASSSTER_POST_TYPE]', esc_attr( $post_type_val ), $form ); |
| 203 |
// hide or not. |
| 204 |
if ( !empty( $atts['hide'] ) ) { |
| 205 |
$form = str_replace( '[PASSSTER_HIDE]', ' passster-hide', $form ); |
| 206 |
} else { |
| 207 |
$form = str_replace( '[PASSSTER_HIDE]', '', $form ); |
| 208 |
} |
| 209 |
// ACF field. |
| 210 |
if ( !empty( $atts['acf'] ) ) { |
| 211 |
$form = str_replace( '[PASSSTER_ACF]', ' data-acf="' . esc_url( $atts['acf'] ) . '"', $form ); |
| 212 |
} else { |
| 213 |
$form = str_replace( '[PASSSTER_ACF]', '', $form ); |
| 214 |
} |
| 215 |
return $form; |
| 216 |
} |
| 217 |
|
| 218 |
/** |
| 219 |
* Filters the_content with Passster. |
| 220 |
* |
| 221 |
* @param string $content given content. |
| 222 |
* |
| 223 |
* @return string |
| 224 |
* @throws Exception |
| 225 |
*/ |
| 226 |
public function filter_the_content( string $content ) : string { |
| 227 |
$post_id = get_the_id(); |
| 228 |
// Prevent duplicate form rendering (fixes issue with Avada and other page builders) |
| 229 |
if ( isset( self::$rendered_protection[$post_id] ) ) { |
| 230 |
// Already rendered the protection form for this post, return protected content placeholder |
| 231 |
// or the form that was already generated |
| 232 |
return self::$rendered_protection[$post_id]['form'] ?? $content; |
| 233 |
} |
| 234 |
$parent_id = wp_get_post_parent_id( $post_id ); |
| 235 |
if ( $parent_id ) { |
| 236 |
$activate_protection = get_post_meta( $parent_id, 'passster_activate_protection', true ); |
| 237 |
$children_protection = get_post_meta( $parent_id, 'passster_protect_child_pages', true ); |
| 238 |
if ( $activate_protection && $children_protection ) { |
| 239 |
$post_id = $parent_id; |
| 240 |
// Check parent too |
| 241 |
if ( isset( self::$rendered_protection[$post_id] ) ) { |
| 242 |
return self::$rendered_protection[$post_id]['form'] ?? $content; |
| 243 |
} |
| 244 |
} |
| 245 |
} |
| 246 |
$activate_protection = get_post_meta( $post_id, 'passster_activate_protection', true ); |
| 247 |
// user restriction. |
| 248 |
$user_restriction_type = get_post_meta( $post_id, 'passster_user_restriction_type', true ); |
| 249 |
$user_restriction = get_post_meta( $post_id, 'passster_user_restriction', true ); |
| 250 |
// Redirection. |
| 251 |
$redirection = get_post_meta( $post_id, 'passster_redirect_url', true ); |
| 252 |
// texts. |
| 253 |
$overwrite_defaults = get_post_meta( $post_id, 'passster_activate_overwrite_defaults', true ); |
| 254 |
$headline = ( $overwrite_defaults ? get_post_meta( $post_id, 'passster_headline', true ) : '' ); |
| 255 |
$instruction = ( $overwrite_defaults ? get_post_meta( $post_id, 'passster_instruction', true ) : '' ); |
| 256 |
$placeholder = ( $overwrite_defaults ? get_post_meta( $post_id, 'passster_placeholder', true ) : '' ); |
| 257 |
$button = ( $overwrite_defaults ? get_post_meta( $post_id, 'passster_button', true ) : '' ); |
| 258 |
$id = get_post_meta( $post_id, 'passster_id', true ); |
| 259 |
if ( !$activate_protection ) { |
| 260 |
return $content; |
| 261 |
} |
| 262 |
// build atts array to validate. |
| 263 |
$atts = array(); |
| 264 |
$shortcode = ''; |
| 265 |
$password = get_post_meta( $post_id, 'passster_password', true ); |
| 266 |
$atts['password'] = $password; |
| 267 |
$shortcode = '[passster password="' . $password . '" protection="full" '; |
| 268 |
if ( !empty( $redirection ) ) { |
| 269 |
$shortcode .= 'redirect="' . $redirection . '" '; |
| 270 |
} |
| 271 |
if ( !empty( $headline ) ) { |
| 272 |
$shortcode .= 'headline="' . $headline . '" '; |
| 273 |
} |
| 274 |
if ( !empty( $instruction ) ) { |
| 275 |
$shortcode .= 'instruction="' . base64_encode( $instruction ) . '" '; |
| 276 |
} |
| 277 |
if ( !empty( $placeholder ) ) { |
| 278 |
$shortcode .= 'placeholder="' . $placeholder . '" '; |
| 279 |
} |
| 280 |
if ( !empty( $button ) ) { |
| 281 |
$shortcode .= 'button="' . $button . '" '; |
| 282 |
} |
| 283 |
if ( !empty( $id ) ) { |
| 284 |
$shortcode .= 'id="' . $id . '" '; |
| 285 |
} |
| 286 |
$shortcode .= ']{content}[/passster]'; |
| 287 |
// check if valid before restrict anything. |
| 288 |
$valid = PS_Conditional::is_valid( $atts ); |
| 289 |
if ( $valid ) { |
| 290 |
return $content; |
| 291 |
} |
| 292 |
// replace placeholder with content. |
| 293 |
$shortcode = str_replace( '{content}', $content, $shortcode ); |
| 294 |
// Generate the form |
| 295 |
$rendered_form = do_shortcode( $shortcode ); |
| 296 |
// Store reference to prevent duplicate rendering (Avada, Elementor, etc.) |
| 297 |
self::$rendered_protection[$post_id] = array( |
| 298 |
'form' => $rendered_form, |
| 299 |
); |
| 300 |
return $rendered_form; |
| 301 |
} |
| 302 |
|
| 303 |
/** |
| 304 |
* Redirect if global protection is activated and no password is set. |
| 305 |
* |
| 306 |
* @return void |
| 307 |
* @throws Exception |
| 308 |
*/ |
| 309 |
public function check_global_proctection() { |
| 310 |
$options = get_option( 'passster' ); |
| 311 |
$post_id = get_queried_object_id(); |
| 312 |
if ( !$post_id ) { |
| 313 |
return; |
| 314 |
} |
| 315 |
// Allow Elementor editing the page. |
| 316 |
$elementor_preview = filter_input( INPUT_GET, 'elementor-preview', FILTER_SANITIZE_FULL_SPECIAL_CHARS ); |
| 317 |
// Allow Live Canvas Editor. |
| 318 |
$live_canvas_preview = filter_input( INPUT_GET, 'lc_action_launch_editing', FILTER_SANITIZE_FULL_SPECIAL_CHARS ); |
| 319 |
if ( is_preview() || $elementor_preview || $live_canvas_preview ) { |
| 320 |
if ( is_user_logged_in() && current_user_can( 'edit_post', $post_id ) ) { |
| 321 |
return; |
| 322 |
} |
| 323 |
} |
| 324 |
if ( !isset( $options['global_protection_id'] ) ) { |
| 325 |
return; |
| 326 |
} |
| 327 |
if ( !isset( $options['activate_global_protection'] ) ) { |
| 328 |
return; |
| 329 |
} |
| 330 |
// Build $atts array based on protection settings. |
| 331 |
$post_id = esc_html( $options['global_protection_id'] ); |
| 332 |
$is_active = esc_html( $options['activate_global_protection'] ); |
| 333 |
$atts = array(); |
| 334 |
$password = get_post_meta( $post_id, 'passster_password', true ); |
| 335 |
$atts['password'] = $password; |
| 336 |
if ( !empty( $post_id ) ) { |
| 337 |
if ( $is_active ) { |
| 338 |
if ( is_page( $post_id ) || is_single( $post_id ) ) { |
| 339 |
return; |
| 340 |
} |
| 341 |
// Check excluded pages. |
| 342 |
if ( isset( $options['exclude_pages'] ) ) { |
| 343 |
foreach ( $options['exclude_pages'] as $excluded_page_id ) { |
| 344 |
if ( is_page( $excluded_page_id ) ) { |
| 345 |
return; |
| 346 |
} |
| 347 |
} |
| 348 |
} |
| 349 |
// Check if cookie is set. |
| 350 |
$cookie = esc_html( $_COOKIE['passster'] ); |
| 351 |
if ( !PS_Conditional::is_valid( $atts ) ) { |
| 352 |
$global_protection_url = get_permalink( $post_id ); |
| 353 |
$pass_param = filter_input( INPUT_GET, 'pass', FILTER_SANITIZE_FULL_SPECIAL_CHARS ); |
| 354 |
if ( !empty( $pass_param ) ) { |
| 355 |
$global_protection_url = add_query_arg( 'pass', $pass_param, $global_protection_url ); |
| 356 |
} |
| 357 |
wp_redirect( esc_url_raw( $global_protection_url ) ); |
| 358 |
exit; |
| 359 |
} |
| 360 |
} |
| 361 |
} |
| 362 |
} |
| 363 |
|
| 364 |
/** |
| 365 |
* Enqueue scripts for shortcode |
| 366 |
* |
| 367 |
* @return void |
| 368 |
*/ |
| 369 |
public function add_public_scripts() { |
| 370 |
$suffix = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min' ); |
| 371 |
$options = get_option( 'passster' ); |
| 372 |
// Only load CSS if not disabled (allows themes to style the form) |
| 373 |
if ( empty( $options['disable_css'] ) ) { |
| 374 |
wp_enqueue_style( |
| 375 |
'passster-public', |
| 376 |
PASSSTER_URL . '/assets/public/passster-public' . $suffix . '.css', |
| 377 |
array(), |
| 378 |
PASSSTER_VERSION, |
| 379 |
'all' |
| 380 |
); |
| 381 |
} |
| 382 |
wp_enqueue_script( |
| 383 |
'passster-cookie', |
| 384 |
PASSSTER_URL . '/assets/public/cookie.js', |
| 385 |
array('jquery', 'wp-api-fetch'), |
| 386 |
PASSSTER_VERSION, |
| 387 |
false |
| 388 |
); |
| 389 |
wp_enqueue_script( |
| 390 |
'passster-public', |
| 391 |
PASSSTER_URL . '/assets/public/passster-public' . $suffix . '.js', |
| 392 |
array('jquery', 'passster-cookie'), |
| 393 |
PASSSTER_VERSION, |
| 394 |
false |
| 395 |
); |
| 396 |
$shortcodes = array(); |
| 397 |
if ( isset( $options['third_party_shortcodes'] ) && !empty( $options['third_party_shortcodes'] ) ) { |
| 398 |
$shortcodes_in_options = explode( ',', $options['third_party_shortcodes'] ); |
| 399 |
if ( is_array( $shortcodes_in_options ) ) { |
| 400 |
foreach ( $shortcodes_in_options as $shortcode ) { |
| 401 |
$shortcodes[$shortcode] = do_shortcode( str_replace( '{post-id}', get_the_id(), $shortcode ) ); |
| 402 |
} |
| 403 |
} |
| 404 |
} |
| 405 |
// Archive/taxonomy pages have no singular post, so get_permalink() can't be used |
| 406 |
// to build the "reload after unlock" URL for links generated by area/CPT-level protection. |
| 407 |
$current_post_id = get_the_id(); |
| 408 |
$reload_url = ( $current_post_id ? get_permalink( $current_post_id ) : esc_url_raw( remove_query_arg( 'pass' ) ) ); |
| 409 |
$args = array( |
| 410 |
'ajax_url' => admin_url() . 'admin-ajax.php', |
| 411 |
'rest_url' => get_rest_url(), |
| 412 |
'nonce' => wp_create_nonce( 'ps-password-nonce' ), |
| 413 |
'hash_nonce' => wp_create_nonce( 'ps-hash-nonce' ), |
| 414 |
'logout_nonce' => wp_create_nonce( 'ps-logout-nonce' ), |
| 415 |
'post_id' => $current_post_id, |
| 416 |
'shortcodes' => $shortcodes, |
| 417 |
'permalink' => $reload_url, |
| 418 |
); |
| 419 |
if ( isset( $options['cookie_duration_unit'] ) ) { |
| 420 |
$args['cookie_duration_unit'] = esc_html( $options['cookie_duration_unit'] ); |
| 421 |
} else { |
| 422 |
$args['cookie_duration_unit'] = 'days'; |
| 423 |
} |
| 424 |
if ( isset( $options['cookie_duration'] ) ) { |
| 425 |
$args['cookie_duration'] = esc_html( $options['cookie_duration'] ); |
| 426 |
} else { |
| 427 |
$args['cookie_duration'] = 1; |
| 428 |
} |
| 429 |
if ( isset( $options['disable_cookie'] ) ) { |
| 430 |
$args['disable_cookie'] = esc_html( $options['disable_cookie'] ); |
| 431 |
} else { |
| 432 |
$args['disable_cookie'] = false; |
| 433 |
} |
| 434 |
$args['unlock_mode'] = !empty( $options['unlock_mode'] ); |
| 435 |
wp_localize_script( 'passster-public', 'ps_ajax', $args ); |
| 436 |
// if password type hint used. |
| 437 |
$password_typing = $options['show_password']; |
| 438 |
if ( $password_typing ) { |
| 439 |
wp_enqueue_script( |
| 440 |
'password-typing', |
| 441 |
PASSSTER_URL . '/assets/public/password-typing.js', |
| 442 |
array('jquery'), |
| 443 |
PASSSTER_VERSION, |
| 444 |
false |
| 445 |
); |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
} |
| 450 |
|
