comments.php
793 lines
| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * Module: Comments |
| 4 | * |
| 5 | * @package automattic/jetpack |
| 6 | */ |
| 7 | |
| 8 | require __DIR__ . '/base.php'; |
| 9 | use Automattic\Jetpack\Connection\Tokens; |
| 10 | |
| 11 | /** |
| 12 | * Main Comments class |
| 13 | * |
| 14 | * @package automattic/jetpack |
| 15 | * @since 1.4 |
| 16 | */ |
| 17 | class Jetpack_Comments extends Highlander_Comments_Base { |
| 18 | |
| 19 | /** Variables *************************************************************/ |
| 20 | |
| 21 | /** |
| 22 | * Possible comment form sources - empty array as default |
| 23 | * |
| 24 | * @var array |
| 25 | */ |
| 26 | public $id_sources = array(); |
| 27 | |
| 28 | /** |
| 29 | * Remote comment URL - empty string as default |
| 30 | * |
| 31 | * @var string |
| 32 | */ |
| 33 | public $signed_url = ''; |
| 34 | |
| 35 | /** |
| 36 | * The default comment form color scheme - default is light |
| 37 | * |
| 38 | * @var string |
| 39 | * @see ::set_default_color_theme_based_on_theme_settings() |
| 40 | */ |
| 41 | public $default_color_scheme = 'light'; |
| 42 | |
| 43 | /** Methods ***************************************************************/ |
| 44 | |
| 45 | /** |
| 46 | * Initialize class |
| 47 | */ |
| 48 | public static function init() { |
| 49 | static $instance = false; |
| 50 | |
| 51 | if ( ! $instance ) { |
| 52 | $instance = new Jetpack_Comments(); |
| 53 | } |
| 54 | |
| 55 | return $instance; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Main constructor for Comments |
| 60 | * |
| 61 | * @since 1.4 |
| 62 | */ |
| 63 | public function __construct() { |
| 64 | parent::__construct(); |
| 65 | |
| 66 | // Comments is loaded. |
| 67 | |
| 68 | /** |
| 69 | * Fires after the Jetpack_Comments object has been instantiated |
| 70 | * |
| 71 | * @module comments |
| 72 | * |
| 73 | * @since 1.4.0 |
| 74 | * |
| 75 | * @param array $jetpack_comments_loaded First element in array of type Jetpack_Comments |
| 76 | */ |
| 77 | do_action_ref_array( 'jetpack_comments_loaded', array( $this ) ); |
| 78 | add_action( 'after_setup_theme', array( $this, 'set_default_color_theme_based_on_theme_settings' ), 100 ); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Set the default comments color theme based on theme settings |
| 83 | */ |
| 84 | public function set_default_color_theme_based_on_theme_settings() { |
| 85 | if ( function_exists( 'twentyeleven_get_theme_options' ) ) { |
| 86 | $theme_options = twentyeleven_get_theme_options(); |
| 87 | $theme_color_scheme = isset( $theme_options['color_scheme'] ) ? $theme_options['color_scheme'] : 'transparent'; |
| 88 | } else { |
| 89 | $theme_color_scheme = get_theme_mod( 'color_scheme', 'transparent' ); |
| 90 | } |
| 91 | // Default for $theme_color_scheme is 'transparent' just so it doesn't match 'light' or 'dark'. |
| 92 | // The default for Jetpack's color scheme is still defined above as 'light'. |
| 93 | |
| 94 | if ( false !== stripos( $theme_color_scheme, 'light' ) ) { |
| 95 | $this->default_color_scheme = 'light'; |
| 96 | } elseif ( false !== stripos( $theme_color_scheme, 'dark' ) ) { |
| 97 | $this->default_color_scheme = 'dark'; |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | /** Private Methods *******************************************************/ |
| 102 | |
| 103 | /** |
| 104 | * Set any global variables or class variables |
| 105 | * |
| 106 | * This is primarily defining the comment form sources. |
| 107 | * |
| 108 | * @since 1.4 |
| 109 | */ |
| 110 | protected function setup_globals() { |
| 111 | parent::setup_globals(); |
| 112 | |
| 113 | // Sources. |
| 114 | $this->id_sources = array( |
| 115 | 'guest', |
| 116 | 'jetpack', |
| 117 | 'wordpress', |
| 118 | 'facebook', |
| 119 | ); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Setup actions for methods in this class |
| 124 | * |
| 125 | * @since 1.4 |
| 126 | */ |
| 127 | protected function setup_actions() { |
| 128 | parent::setup_actions(); |
| 129 | |
| 130 | // Selfishly remove everything from the existing comment form. |
| 131 | remove_all_actions( 'comment_form_before' ); |
| 132 | |
| 133 | // Selfishly add only our actions back to the comment form. |
| 134 | add_action( 'comment_form_before', array( $this, 'comment_form_before' ) ); |
| 135 | add_action( 'comment_form_after', array( $this, 'comment_form_after' ), 1 ); // Set very early since we remove everything outputed before our action. |
| 136 | |
| 137 | // Before a comment is posted. |
| 138 | add_action( 'pre_comment_on_post', array( $this, 'pre_comment_on_post' ), 1 ); |
| 139 | |
| 140 | // After a comment is posted. |
| 141 | add_action( 'comment_post', array( $this, 'add_comment_meta' ) ); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Setup filters for methods in this class |
| 146 | * |
| 147 | * @since 1.6.2 |
| 148 | */ |
| 149 | protected function setup_filters() { |
| 150 | parent::setup_filters(); |
| 151 | |
| 152 | add_filter( 'comment_post_redirect', array( $this, 'capture_comment_post_redirect_to_reload_parent_frame' ), 100 ); |
| 153 | add_filter( 'get_avatar', array( $this, 'get_avatar' ), 10, 4 ); |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Get the comment avatar from Gravatar or Twitter/Facebook. |
| 158 | * |
| 159 | * Leaving the Twitter reference for legacy comments even though support is no longer offered. |
| 160 | * |
| 161 | * @since 1.4 |
| 162 | * |
| 163 | * @param string $avatar Current avatar URL. |
| 164 | * @param string $comment Comment for the avatar. |
| 165 | * @param int $size Size of the avatar. |
| 166 | * |
| 167 | * @return string New avatar |
| 168 | */ |
| 169 | public function get_avatar( $avatar, $comment, $size ) { |
| 170 | if ( ! isset( $comment->comment_post_ID ) || ! isset( $comment->comment_ID ) ) { |
| 171 | // it's not a comment - bail. |
| 172 | return $avatar; |
| 173 | } |
| 174 | |
| 175 | // Detect whether it's a Facebook avatar. |
| 176 | $foreign_avatar = get_comment_meta( $comment->comment_ID, 'hc_avatar', true ); |
| 177 | $foreign_avatar_hostname = wp_parse_url( $foreign_avatar, PHP_URL_HOST ); |
| 178 | if ( ! $foreign_avatar_hostname || |
| 179 | ! preg_match( '/\.?(graph\.facebook\.com|twimg\.com)$/', $foreign_avatar_hostname ) ) { |
| 180 | return $avatar; |
| 181 | } |
| 182 | |
| 183 | // Return the Facebook or Twitter avatar. |
| 184 | return preg_replace( '#src=([\'"])[^\'"]+\\1#', 'src=\\1' . esc_url( set_url_scheme( $this->photon_avatar( $foreign_avatar, $size ), 'https' ) ) . '\\1', $avatar ); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Get the site's blog token. |
| 189 | * This can be used to bypass Comments entirely if Jetpack is not properly connected. |
| 190 | * |
| 191 | * @since 11.2 |
| 192 | * |
| 193 | * @return bool|object False if not properly connected. Object with the blog token if connected. |
| 194 | */ |
| 195 | private function get_blog_token() { |
| 196 | $blog_token = ( new Tokens() )->get_access_token(); |
| 197 | // If we have no token, bail. |
| 198 | if ( ! $blog_token || is_wp_error( $blog_token ) ) { |
| 199 | return false; |
| 200 | } |
| 201 | |
| 202 | return $blog_token; |
| 203 | } |
| 204 | |
| 205 | /** Output Methods ********************************************************/ |
| 206 | |
| 207 | /** |
| 208 | * Start capturing the core comment_form() output |
| 209 | * |
| 210 | * Comment form output will only be captured if comments are enabled - we return otherwise. |
| 211 | * |
| 212 | * @since 1.4 |
| 213 | */ |
| 214 | public function comment_form_before() { |
| 215 | /** |
| 216 | * Filters the setting that determines if Jetpack comments should be enabled for |
| 217 | * the current post type. |
| 218 | * |
| 219 | * @module comments |
| 220 | * |
| 221 | * @since 3.8.1 |
| 222 | * |
| 223 | * @param boolean $return Should comments be enabled? |
| 224 | */ |
| 225 | if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type(), true ) ) { |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | // If the Jetpack connection is not healthy, bail. |
| 230 | if ( ! $this->get_blog_token() ) { |
| 231 | return; |
| 232 | } |
| 233 | |
| 234 | // Add some JS to the footer. |
| 235 | add_action( 'wp_footer', array( $this, 'watch_comment_parent' ), 100 ); |
| 236 | |
| 237 | ob_start(); |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * Noop the default comment form output, get some options, and output our |
| 242 | * tricked out totally radical comment form. |
| 243 | * |
| 244 | * @since 1.4 |
| 245 | */ |
| 246 | public function comment_form_after() { |
| 247 | /** This filter is documented in modules/comments/comments.php */ |
| 248 | if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type(), true ) ) { |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | $blog_token = $this->get_blog_token(); |
| 253 | // If the Jetpack connection is not healthy, bail. |
| 254 | if ( ! $blog_token ) { |
| 255 | return; |
| 256 | } |
| 257 | |
| 258 | // Throw it all out and drop in our replacement. |
| 259 | ob_end_clean(); |
| 260 | |
| 261 | // If users are required to be logged in, and they're not, then we don't need to do anything else. |
| 262 | if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) { |
| 263 | /** |
| 264 | * Changes the log in to comment prompt. |
| 265 | * |
| 266 | * @module comments |
| 267 | * |
| 268 | * @since 1.4.0 |
| 269 | * |
| 270 | * @param string $var Default is "You must log in to post a comment." |
| 271 | */ |
| 272 | echo '<p class="must-log-in">' . wp_kses_post( |
| 273 | sprintf( |
| 274 | apply_filters( |
| 275 | 'jetpack_must_log_in_to_comment', |
| 276 | /* translators: %s is the wp-login URL for the site */ |
| 277 | __( 'You must <a href="%s">log in</a> to post a comment.', 'jetpack' ) |
| 278 | ), |
| 279 | wp_login_url( get_permalink() . '#respond' ) |
| 280 | ) |
| 281 | ) . '</p>'; |
| 282 | return; |
| 283 | } |
| 284 | |
| 285 | if ( in_array( 'subscriptions', Jetpack::get_active_modules(), true ) ) { |
| 286 | $stb_enabled = get_option( 'stb_enabled', 1 ); |
| 287 | $stb_enabled = empty( $stb_enabled ) ? 0 : 1; |
| 288 | |
| 289 | $stc_enabled = get_option( 'stc_enabled', 1 ); |
| 290 | $stc_enabled = empty( $stc_enabled ) ? 0 : 1; |
| 291 | } else { |
| 292 | $stb_enabled = 0; |
| 293 | $stc_enabled = 0; |
| 294 | } |
| 295 | |
| 296 | $params = array( |
| 297 | 'blogid' => Jetpack_Options::get_option( 'id' ), |
| 298 | 'postid' => get_the_ID(), |
| 299 | 'comment_registration' => ( get_option( 'comment_registration' ) ? '1' : '0' ), // Need to explicitly send a '1' or a '0' for these. |
| 300 | 'require_name_email' => ( get_option( 'require_name_email' ) ? '1' : '0' ), |
| 301 | 'stc_enabled' => $stc_enabled, |
| 302 | 'stb_enabled' => $stb_enabled, |
| 303 | 'show_avatars' => ( get_option( 'show_avatars' ) ? '1' : '0' ), |
| 304 | 'avatar_default' => get_option( 'avatar_default' ), |
| 305 | 'greeting' => get_option( 'highlander_comment_form_prompt', __( 'Leave a Reply', 'jetpack' ) ), |
| 306 | 'jetpack_comments_nonce' => wp_create_nonce( 'jetpack_comments_nonce-' . get_the_ID() ), |
| 307 | /** |
| 308 | * Changes the comment form prompt. |
| 309 | * |
| 310 | * @module comments |
| 311 | * |
| 312 | * @since 2.3.0 |
| 313 | * |
| 314 | * @param string $var Default is "Leave a Reply to %s." |
| 315 | */ |
| 316 | 'greeting_reply' => apply_filters( |
| 317 | 'jetpack_comment_form_prompt_reply', |
| 318 | /* translators: %s is the displayed username of the post (or comment) author */ |
| 319 | __( 'Leave a Reply to %s', 'jetpack' ) |
| 320 | ), |
| 321 | 'color_scheme' => get_option( 'jetpack_comment_form_color_scheme', $this->default_color_scheme ), |
| 322 | 'lang' => get_locale(), |
| 323 | 'jetpack_version' => JETPACK__VERSION, |
| 324 | ); |
| 325 | |
| 326 | // Extra parameters for logged in user. |
| 327 | if ( is_user_logged_in() ) { |
| 328 | $current_user = wp_get_current_user(); |
| 329 | $params['hc_post_as'] = 'jetpack'; |
| 330 | $params['hc_userid'] = $current_user->ID; |
| 331 | $params['hc_username'] = $current_user->display_name; |
| 332 | $params['hc_userurl'] = $current_user->user_url; |
| 333 | $params['hc_useremail'] = md5( strtolower( trim( $current_user->user_email ) ) ); |
| 334 | if ( current_user_can( 'unfiltered_html' ) ) { |
| 335 | $params['_wp_unfiltered_html_comment'] = wp_create_nonce( 'unfiltered-html-comment_' . get_the_ID() ); |
| 336 | } |
| 337 | } else { |
| 338 | $commenter = wp_get_current_commenter(); |
| 339 | $params['show_cookie_consent'] = (int) has_action( 'set_comment_cookies', 'wp_set_comment_cookies' ); |
| 340 | $params['has_cookie_consent'] = (int) ! empty( $commenter['comment_author_email'] ); |
| 341 | } |
| 342 | |
| 343 | list( $token_key ) = explode( '.', $blog_token->secret, 2 ); |
| 344 | // Prophylactic check: anything else should never happen. |
| 345 | if ( $token_key && $token_key !== $blog_token->secret ) { |
| 346 | // Is the token a Special Token (@see class.tokens.php)? |
| 347 | if ( preg_match( '/^;.\d+;\d+;$/', $token_key, $matches ) ) { |
| 348 | // The token key for a Special Token is public. |
| 349 | $params['token_key'] = $token_key; |
| 350 | } else { |
| 351 | /* |
| 352 | * The token key for a Normal Token is public but |
| 353 | * looks like sensitive data. Since there can only be |
| 354 | * one Normal Token per site, avoid concern by |
| 355 | * sending the magic "use the Normal Token" token key. |
| 356 | */ |
| 357 | $params['token_key'] = Tokens::MAGIC_NORMAL_TOKEN_KEY; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | $signature = self::sign_remote_comment_parameters( $params, $blog_token->secret ); |
| 362 | if ( is_wp_error( $signature ) ) { |
| 363 | $signature = 'error'; |
| 364 | } |
| 365 | |
| 366 | $params['sig'] = $signature; |
| 367 | $url_origin = 'https://jetpack.wordpress.com'; |
| 368 | $url = "{$url_origin}/jetpack-comment/?" . http_build_query( $params ); |
| 369 | // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sniff misses the esc_url_raw. |
| 370 | $url = "{$url}#parent=" . rawurlencode( esc_url_raw( set_url_scheme( 'http://' . ( isset( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '' ) ) ) ); |
| 371 | $this->signed_url = $url; |
| 372 | $height = $params['comment_registration'] || is_user_logged_in() ? '315' : '430'; // Iframe can be shorter if we're not allowing guest commenting. |
| 373 | $transparent = ( 'transparent' === $params['color_scheme'] ) ? 'true' : 'false'; |
| 374 | |
| 375 | if ( isset( $_GET['replytocom'] ) ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 376 | $url .= '&replytocom=' . (int) $_GET['replytocom']; //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * Filter whether the comment title can be displayed. |
| 381 | * |
| 382 | * @module comments |
| 383 | * |
| 384 | * @since 4.7.0 |
| 385 | * |
| 386 | * @param bool $show Can the comment be displayed? Default to true. |
| 387 | */ |
| 388 | $show_greeting = apply_filters( 'jetpack_comment_form_display_greeting', true ); |
| 389 | |
| 390 | /** |
| 391 | * Filter the comment title tag. |
| 392 | * |
| 393 | * @module comments |
| 394 | * @since 12.4 |
| 395 | * |
| 396 | * @param string $comment_reply_title_tag The comment title tag. Default to h3. |
| 397 | */ |
| 398 | $comment_reply_title_tag = apply_filters( 'jetpack_comment_reply_title_tag', 'h3' ); |
| 399 | |
| 400 | // The actual iframe (loads comment form from Jetpack server). |
| 401 | |
| 402 | $is_amp = class_exists( Jetpack_AMP_Support::class ) && Jetpack_AMP_Support::is_amp_request(); |
| 403 | ?> |
| 404 | |
| 405 | <div id="respond" class="comment-respond"> |
| 406 | <?php |
| 407 | if ( true === $show_greeting ) : |
| 408 | printf( |
| 409 | '<%1$s id="reply-title" class="comment-reply-title">', |
| 410 | esc_html( $comment_reply_title_tag ) |
| 411 | ); |
| 412 | |
| 413 | comment_form_title( |
| 414 | esc_html( $params['greeting'] ), |
| 415 | esc_html( $params['greeting_reply'] ) |
| 416 | ); |
| 417 | echo '<small>'; |
| 418 | cancel_comment_reply_link( esc_html__( 'Cancel reply', 'jetpack' ) ); |
| 419 | echo '</small>'; |
| 420 | |
| 421 | printf( |
| 422 | '</%1$s>', |
| 423 | esc_html( $comment_reply_title_tag ) |
| 424 | ); |
| 425 | endif; |
| 426 | ?> |
| 427 | <form id="commentform" class="comment-form"> |
| 428 | <iframe |
| 429 | title="<?php esc_attr_e( 'Comment Form', 'jetpack' ); ?>" |
| 430 | src="<?php echo esc_url( $url ); ?>" |
| 431 | <?php if ( $is_amp ) : ?> |
| 432 | resizable |
| 433 | layout="fixed-height" |
| 434 | height="<?php echo esc_attr( $height ); ?>" |
| 435 | <?php else : ?> |
| 436 | name="jetpack_remote_comment" |
| 437 | style="width:100%; height: <?php echo esc_attr( $height ); ?>px; border:0;" |
| 438 | <?php endif; ?> |
| 439 | class="jetpack_remote_comment" |
| 440 | id="jetpack_remote_comment" |
| 441 | sandbox="allow-same-origin allow-top-navigation allow-scripts allow-forms allow-popups" |
| 442 | > |
| 443 | <?php if ( $is_amp ) : ?> |
| 444 | <button overflow><?php esc_html_e( 'Show more', 'jetpack' ); ?></button> |
| 445 | <?php endif; ?> |
| 446 | </iframe> |
| 447 | <?php if ( ! $is_amp ) : ?> |
| 448 | <!--[if !IE]><!--> |
| 449 | <script> |
| 450 | document.addEventListener('DOMContentLoaded', function () { |
| 451 | var commentForms = document.getElementsByClassName('jetpack_remote_comment'); |
| 452 | for (var i = 0; i < commentForms.length; i++) { |
| 453 | commentForms[i].allowTransparency = <?php echo esc_html( $transparent ); ?>; |
| 454 | commentForms[i].scrolling = 'no'; |
| 455 | } |
| 456 | }); |
| 457 | </script> |
| 458 | <!--<![endif]--> |
| 459 | <?php endif; ?> |
| 460 | </form> |
| 461 | </div> |
| 462 | |
| 463 | <?php // Below is required for comment reply JS to work. ?> |
| 464 | |
| 465 | <input type="hidden" name="comment_parent" id="comment_parent" value="" /> |
| 466 | |
| 467 | <?php |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * Add some JS to wp_footer to watch for hierarchical reply parent change |
| 472 | * |
| 473 | * If AMP is enabled, we don't make any changes. |
| 474 | * |
| 475 | * @since 1.4 |
| 476 | */ |
| 477 | public function watch_comment_parent() { |
| 478 | if ( class_exists( Jetpack_AMP_Support::class ) && Jetpack_AMP_Support::is_amp_request() ) { |
| 479 | // @todo Implement AMP support. |
| 480 | return; |
| 481 | } |
| 482 | |
| 483 | $url_origin = 'https://jetpack.wordpress.com'; |
| 484 | ?> |
| 485 | |
| 486 | <!--[if IE]> |
| 487 | <script type="text/javascript"> |
| 488 | if ( 0 === window.location.hash.indexOf( '#comment-' ) ) { |
| 489 | // window.location.reload() doesn't respect the Hash in IE |
| 490 | window.location.hash = window.location.hash; |
| 491 | } |
| 492 | </script> |
| 493 | <![endif]--> |
| 494 | <script type="text/javascript"> |
| 495 | (function () { |
| 496 | var comm_par_el = document.getElementById( 'comment_parent' ), |
| 497 | comm_par = ( comm_par_el && comm_par_el.value ) ? comm_par_el.value : '', |
| 498 | frame = document.getElementById( 'jetpack_remote_comment' ), |
| 499 | tellFrameNewParent; |
| 500 | |
| 501 | tellFrameNewParent = function () { |
| 502 | if ( comm_par ) { |
| 503 | frame.src = "<?php echo esc_url_raw( $this->signed_url ); ?>" + '&replytocom=' + parseInt( comm_par, 10 ).toString(); |
| 504 | } else { |
| 505 | frame.src = "<?php echo esc_url_raw( $this->signed_url ); ?>"; |
| 506 | } |
| 507 | }; |
| 508 | |
| 509 | <?php if ( get_option( 'thread_comments' ) && get_option( 'thread_comments_depth' ) ) : ?> |
| 510 | |
| 511 | if ( 'undefined' !== typeof addComment ) { |
| 512 | addComment._Jetpack_moveForm = addComment.moveForm; |
| 513 | |
| 514 | addComment.moveForm = function ( commId, parentId, respondId, postId ) { |
| 515 | var returnValue = addComment._Jetpack_moveForm( commId, parentId, respondId, postId ), |
| 516 | cancelClick, cancel; |
| 517 | |
| 518 | if ( false === returnValue ) { |
| 519 | cancel = document.getElementById( 'cancel-comment-reply-link' ); |
| 520 | cancelClick = cancel.onclick; |
| 521 | cancel.onclick = function () { |
| 522 | var cancelReturn = cancelClick.call( this ); |
| 523 | if ( false !== cancelReturn ) { |
| 524 | return cancelReturn; |
| 525 | } |
| 526 | |
| 527 | if ( ! comm_par ) { |
| 528 | return cancelReturn; |
| 529 | } |
| 530 | |
| 531 | comm_par = 0; |
| 532 | |
| 533 | tellFrameNewParent(); |
| 534 | |
| 535 | return cancelReturn; |
| 536 | }; |
| 537 | } |
| 538 | |
| 539 | if ( comm_par == parentId ) { |
| 540 | return returnValue; |
| 541 | } |
| 542 | |
| 543 | comm_par = parentId; |
| 544 | |
| 545 | tellFrameNewParent(); |
| 546 | |
| 547 | return returnValue; |
| 548 | }; |
| 549 | } |
| 550 | |
| 551 | <?php endif; ?> |
| 552 | |
| 553 | // Do the post message bit after the dom has loaded. |
| 554 | document.addEventListener( 'DOMContentLoaded', function () { |
| 555 | var iframe_url = <?php echo wp_json_encode( esc_url_raw( $url_origin ) ); ?>; |
| 556 | if ( window.postMessage ) { |
| 557 | if ( document.addEventListener ) { |
| 558 | window.addEventListener( 'message', function ( event ) { |
| 559 | var origin = event.origin.replace( /^http:\/\//i, 'https://' ); |
| 560 | if ( iframe_url.replace( /^http:\/\//i, 'https://' ) !== origin ) { |
| 561 | return; |
| 562 | } |
| 563 | frame.style.height = event.data + 'px'; |
| 564 | }); |
| 565 | } else if ( document.attachEvent ) { |
| 566 | window.attachEvent( 'message', function ( event ) { |
| 567 | var origin = event.origin.replace( /^http:\/\//i, 'https://' ); |
| 568 | if ( iframe_url.replace( /^http:\/\//i, 'https://' ) !== origin ) { |
| 569 | return; |
| 570 | } |
| 571 | frame.style.height = event.data + 'px'; |
| 572 | }); |
| 573 | } |
| 574 | } |
| 575 | }) |
| 576 | |
| 577 | })(); |
| 578 | </script> |
| 579 | |
| 580 | <?php |
| 581 | } |
| 582 | |
| 583 | /** |
| 584 | * Verify the hash included in remote comments. |
| 585 | * |
| 586 | * If the Jetpack token is missing we return nothing, |
| 587 | * and if the token is unknown or invalid, or comments not allowed, an error is returned. |
| 588 | * |
| 589 | * @since 1.4 |
| 590 | */ |
| 591 | public function pre_comment_on_post() { |
| 592 | $post_array = stripslashes_deep( $_POST ); |
| 593 | |
| 594 | // Bail if missing the Jetpack token. |
| 595 | if ( ! isset( $post_array['sig'] ) || ! isset( $post_array['token_key'] ) ) { |
| 596 | unset( $_POST['hc_post_as'] ); |
| 597 | |
| 598 | return; |
| 599 | } |
| 600 | |
| 601 | if ( empty( $post_array['jetpack_comments_nonce'] ) || ! wp_verify_nonce( $post_array['jetpack_comments_nonce'], "jetpack_comments_nonce-{$post_array['comment_post_ID']}" ) ) { |
| 602 | wp_die( esc_html__( 'Nonce verification failed.', 'jetpack' ), 400 ); |
| 603 | } |
| 604 | |
| 605 | if ( false !== strpos( $post_array['hc_avatar'], '.gravatar.com' ) ) { |
| 606 | $post_array['hc_avatar'] = htmlentities( $post_array['hc_avatar'], ENT_COMPAT ); |
| 607 | } |
| 608 | |
| 609 | $blog_token = ( new Tokens() )->get_access_token( false, $post_array['token_key'] ); |
| 610 | if ( ! $blog_token || is_wp_error( $blog_token ) ) { |
| 611 | wp_die( esc_html__( 'Unknown security token.', 'jetpack' ), 400 ); |
| 612 | } |
| 613 | $check = self::sign_remote_comment_parameters( $post_array, $blog_token->secret ); |
| 614 | if ( is_wp_error( $check ) ) { |
| 615 | wp_die( esc_html( $check ) ); |
| 616 | } |
| 617 | |
| 618 | // Bail if token is expired or not valid. |
| 619 | if ( ! hash_equals( $check, $post_array['sig'] ) ) { |
| 620 | wp_die( esc_html__( 'Invalid security token.', 'jetpack' ), 400 ); |
| 621 | } |
| 622 | |
| 623 | /** This filter is documented in modules/comments/comments.php */ |
| 624 | if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type( $post_array['comment_post_ID'] ), true ) ) { |
| 625 | // In case the comment POST is legit, but the comments are |
| 626 | // now disabled, we don't allow the comment. |
| 627 | |
| 628 | wp_die( esc_html__( 'Comments are not allowed.', 'jetpack' ), 403 ); |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | /** Capabilities **********************************************************/ |
| 633 | |
| 634 | /** |
| 635 | * Add some additional comment meta after comment is saved about what |
| 636 | * service the comment is from, the avatar, user_id, etc... |
| 637 | * |
| 638 | * @since 1.4 |
| 639 | * |
| 640 | * @param int $comment_id The comment ID. |
| 641 | */ |
| 642 | public function add_comment_meta( $comment_id ) { |
| 643 | $comment_meta = array(); |
| 644 | |
| 645 | // phpcs:disable WordPress.Security.NonceVerification.Missing |
| 646 | switch ( $this->is_highlander_comment_post() ) { |
| 647 | case 'facebook': |
| 648 | $comment_meta['hc_post_as'] = 'facebook'; |
| 649 | $comment_meta['hc_avatar'] = isset( $_POST['hc_avatar'] ) ? filter_var( wp_unslash( $_POST['hc_avatar'] ) ) : null; |
| 650 | $comment_meta['hc_foreign_user_id'] = isset( $_POST['hc_userid'] ) ? filter_var( wp_unslash( $_POST['hc_userid'] ) ) : null; |
| 651 | break; |
| 652 | |
| 653 | // phpcs:ignore WordPress.WP.CapitalPDangit |
| 654 | case 'wordpress': |
| 655 | // phpcs:ignore WordPress.WP.CapitalPDangit |
| 656 | $comment_meta['hc_post_as'] = 'wordpress'; |
| 657 | $comment_meta['hc_avatar'] = isset( $_POST['hc_avatar'] ) ? filter_var( wp_unslash( $_POST['hc_avatar'] ) ) : null; |
| 658 | $comment_meta['hc_foreign_user_id'] = isset( $_POST['hc_userid'] ) ? filter_var( wp_unslash( $_POST['hc_userid'] ) ) : null; |
| 659 | $comment_meta['hc_wpcom_id_sig'] = isset( $_POST['hc_wpcom_id_sig'] ) ? filter_var( wp_unslash( $_POST['hc_wpcom_id_sig'] ) ) : null; // since 1.9. |
| 660 | break; |
| 661 | |
| 662 | case 'jetpack': |
| 663 | $comment_meta['hc_post_as'] = 'jetpack'; |
| 664 | $comment_meta['hc_avatar'] = isset( $_POST['hc_avatar'] ) ? filter_var( wp_unslash( $_POST['hc_avatar'] ) ) : null; |
| 665 | $comment_meta['hc_foreign_user_id'] = isset( $_POST['hc_userid'] ) ? filter_var( wp_unslash( $_POST['hc_userid'] ) ) : null; |
| 666 | break; |
| 667 | |
| 668 | } |
| 669 | // phpcs:enable WordPress.Security.NonceVerification.Missing |
| 670 | |
| 671 | // Bail if no extra comment meta. |
| 672 | if ( empty( $comment_meta ) ) { |
| 673 | return; |
| 674 | } |
| 675 | |
| 676 | // Loop through extra meta and add values. |
| 677 | foreach ( $comment_meta as $key => $value ) { |
| 678 | add_comment_meta( $comment_id, $key, $value, true ); |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | /** |
| 683 | * POST the submitted comment to the iframe |
| 684 | * |
| 685 | * @param string $url The comment URL origin. |
| 686 | */ |
| 687 | public function capture_comment_post_redirect_to_reload_parent_frame( $url ) { |
| 688 | if ( ! isset( $_GET['for'] ) || 'jetpack' !== $_GET['for'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 689 | return $url; |
| 690 | } |
| 691 | ?> |
| 692 | <!DOCTYPE html> |
| 693 | <html <?php language_attributes(); ?>> |
| 694 | <!--<![endif]--> |
| 695 | <head> |
| 696 | <meta charset="<?php bloginfo( 'charset' ); ?>" /> |
| 697 | <title> |
| 698 | <?php |
| 699 | wp_kses_post( |
| 700 | printf( |
| 701 | /* translators: %s is replaced by an ellipsis */ |
| 702 | __( 'Submitting Comment%s', 'jetpack' ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 703 | '…' |
| 704 | ) |
| 705 | ); |
| 706 | ?> |
| 707 | </title> |
| 708 | <style type="text/css"> |
| 709 | body { |
| 710 | display: table; |
| 711 | width: 100%; |
| 712 | height: 60%; |
| 713 | position: absolute; |
| 714 | top: 0; |
| 715 | left: 0; |
| 716 | overflow: hidden; |
| 717 | color: #333; |
| 718 | } |
| 719 | |
| 720 | h1 { |
| 721 | text-align: center; |
| 722 | margin: 0; |
| 723 | padding: 0; |
| 724 | display: table-cell; |
| 725 | vertical-align: middle; |
| 726 | font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif; |
| 727 | font-weight: normal; |
| 728 | } |
| 729 | |
| 730 | .hidden { |
| 731 | opacity: 0; |
| 732 | } |
| 733 | |
| 734 | h1 span { |
| 735 | -moz-transition-property: opacity; |
| 736 | -moz-transition-duration: 1s; |
| 737 | -moz-transition-timing-function: ease-in-out; |
| 738 | |
| 739 | -webkit-transition-property: opacity; |
| 740 | -webkit-transition-duration: 1s; |
| 741 | -webbit-transition-timing-function: ease-in-out; |
| 742 | |
| 743 | -o-transition-property: opacity; |
| 744 | -o-transition-duration: 1s; |
| 745 | -o-transition-timing-function: ease-in-out; |
| 746 | |
| 747 | -ms-transition-property: opacity; |
| 748 | -ms-transition-duration: 1s; |
| 749 | -ms-transition-timing-function: ease-in-out; |
| 750 | |
| 751 | transition-property: opacity; |
| 752 | transition-duration: 1s; |
| 753 | transition-timing-function: ease-in-out; |
| 754 | } |
| 755 | </style> |
| 756 | </head> |
| 757 | <body> |
| 758 | <h1> |
| 759 | <?php |
| 760 | wp_kses_post( |
| 761 | printf( |
| 762 | /* translators: %s is replaced by HTML markup to include an ellipsis */ |
| 763 | __( 'Submitting Comment%s', 'jetpack' ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 764 | '<span id="ellipsis" class="hidden">…</span>' |
| 765 | ) |
| 766 | ); |
| 767 | ?> |
| 768 | </h1> |
| 769 | <script type="text/javascript"> |
| 770 | try { |
| 771 | window.parent.location = <?php echo wp_json_encode( $url ); ?>; |
| 772 | window.parent.location.reload(true); |
| 773 | } catch (e) { |
| 774 | window.location = <?php echo wp_json_encode( $url ); ?>; |
| 775 | window.location.reload(true); |
| 776 | } |
| 777 | ellipsis = document.getElementById('ellipsis'); |
| 778 | |
| 779 | function toggleEllipsis() { |
| 780 | ellipsis.className = ellipsis.className ? '' : 'hidden'; |
| 781 | } |
| 782 | |
| 783 | setInterval(toggleEllipsis, 1200); |
| 784 | </script> |
| 785 | </body> |
| 786 | </html> |
| 787 | <?php |
| 788 | exit; |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | Jetpack_Comments::init(); |
| 793 |