/wp-content/plugins/jetpack/modules/comments/comments.php
PHP | 484 lines | 312 code | 84 blank | 88 comment | 40 complexity | f1c6baf7965a86c49ba2531bff81e102 MD5 | raw file
- <?php
- require dirname( __FILE__ ) . '/base.php';
- /**
- * Main Jetpack Comments class
- *
- * @package JetpackComments
- * @version 1.4
- * @since 1.4
- */
- class Jetpack_Comments extends Highlander_Comments_Base {
- /** Variables *************************************************************/
- /**
- * Possible comment form sources
- * @var array
- */
- var $id_sources = array();
- /**
- * URL
- * @var string
- */
- var $signed_url = '';
- /**
- * The default comment form color scheme
- * @var string
- * @see ::set_default_color_theme_based_on_theme_settings()
- */
- var $default_color_scheme = 'light';
- /** Methods ***************************************************************/
- public static function init() {
- static $instance = false;
- if ( !$instance ) {
- $instance = new Jetpack_Comments;
- }
- return $instance;
- }
- /**
- * Main constructor for Jetpack Comments
- *
- * @since JetpackComments (1.4)
- */
- public function __construct() {
- parent::__construct();
- // Jetpack Comments is loaded
- do_action_ref_array( 'jetpack_comments_loaded', array( $this ) );
- add_action( 'after_setup_theme', array( $this, 'set_default_color_theme_based_on_theme_settings' ), 100 );
- }
- public function set_default_color_theme_based_on_theme_settings() {
- if ( function_exists( 'twentyeleven_get_theme_options' ) ) {
- $theme_options = twentyeleven_get_theme_options();
- $theme_color_scheme = isset( $theme_options['color_scheme'] ) ? $theme_options['color_scheme'] : 'transparent';
- } else {
- $theme_color_scheme = get_theme_mod( 'color_scheme', 'transparent' );
- }
- // Default for $theme_color_scheme is 'transparent' just so it doesn't match 'light' or 'dark'
- // The default for Jetpack's color scheme is still defined above as 'light'
- if ( false !== stripos( $theme_color_scheme, 'light' ) ) {
- $this->default_color_scheme = 'light';
- } elseif ( false !== stripos( $theme_color_scheme, 'dark' ) ) {
- $this->default_color_scheme = 'dark';
- }
- }
- /** Private Methods *******************************************************/
- /**
- * Set any global variables or class variables
- * @since JetpackComments (1.4)
- */
- protected function setup_globals() {
- parent::setup_globals();
- // Sources
- $this->id_sources = array(
- 'guest',
- 'jetpack',
- 'wordpress',
- 'twitter',
- 'facebook'
- );
- }
- /**
- * Setup actions for methods in this class
- * @since JetpackComments (1.4)
- */
- protected function setup_actions() {
- parent::setup_actions();
- // Selfishly remove everything from the existing comment form
- remove_all_actions( 'comment_form_before' );
- remove_all_actions( 'comment_form_after' );
- // Selfishly add only our actions back to the comment form
- add_action( 'comment_form_before', array( $this, 'comment_form_before' ) );
- add_action( 'comment_form_after', array( $this, 'comment_form_after' ) );
- // Before a comment is posted
- add_action( 'pre_comment_on_post', array( $this, 'pre_comment_on_post' ), 1 );
- // After a comment is posted
- add_action( 'comment_post', array( $this, 'add_comment_meta' ) );
- }
- /**
- * Setup filters for methods in this class
- * @since 1.6.2
- */
- protected function setup_filters() {
- parent::setup_filters();
- add_filter( 'comment_post_redirect', array( $this, 'capture_comment_post_redirect_to_reload_parent_frame' ), 100 );
- }
- /** Output Methods ********************************************************/
- /**
- * Start capturing the core comment_form() output
- * @since JetpackComments (1.4)
- */
- public function comment_form_before() {
- // Add some JS to the footer
- add_action( 'wp_footer', array( $this, 'watch_comment_parent' ), 100 );
- ob_start();
- }
- /**
- * Noop teh default comment form output, get some options, and output our
- * tricked out totally radical comment form.
- *
- * @since JetpackComments (1.4)
- */
- public function comment_form_after() {
- // Throw it all out and drop in our replacement
- ob_end_clean();
- // If users are required to be logged in, and they're not, then we don't need to do anything else
- if ( get_option( 'comment_registration' ) && !is_user_logged_in() ) {
- echo '<p id="must-log-in-to-comment">' . sprintf( apply_filters( 'jetpack_must_log_in_to_comment', __( 'You must <a href="%s">log in</a> to post a comment.', 'jetpack' ) ), wp_login_url( get_permalink() . '#respond' ) ) . '</p>';
- return;
- }
- if ( in_array( 'subscriptions', Jetpack::get_active_modules() ) ) {
- $stb_enabled = get_option( 'stb_enabled', 1 );
- $stb_enabled = empty( $stb_enabled ) ? 0 : 1;
-
- $stc_enabled = get_option( 'stc_enabled', 1 );
- $stc_enabled = empty( $stc_enabled ) ? 0 : 1;
- } else {
- $stb_enabled = 0;
- $stc_enabled = 0;
- }
- $params = array(
- 'blogid' => Jetpack::get_option( 'id' ),
- 'postid' => get_the_ID(),
- 'comment_registration' => ( get_option( 'comment_registration' ) ? '1' : '0' ), // Need to explicitly send a '1' or a '0' for these
- 'require_name_email' => ( get_option( 'require_name_email' ) ? '1' : '0' ),
- 'stc_enabled' => $stc_enabled,
- 'stb_enabled' => $stb_enabled,
- 'show_avatars' => ( get_option( 'show_avatars' ) ? '1' : '0' ),
- 'avatar_default' => get_option( 'avatar_default' ),
- 'greeting' => get_option( 'highlander_comment_form_prompt', __( 'Leave a Reply', 'jetpack' ) ),
- 'color_scheme' => get_option( 'jetpack_comment_form_color_scheme', $this->default_color_scheme ),
- 'lang' => get_bloginfo( 'language' ),
- 'jetpack_version' => JETPACK__VERSION,
- );
- // Extra parameters for logged in user
- if ( is_user_logged_in() ) {
- $current_user = wp_get_current_user();
- $params['hc_post_as'] = 'jetpack';
- $params['hc_userid'] = $current_user->ID;
- $params['hc_username'] = $current_user->display_name;
- $params['hc_userurl'] = $current_user->user_url;
- $params['hc_useremail'] = md5( strtolower( trim( $current_user->user_email ) ) );
- if ( current_user_can( 'unfiltered_html' ) )
- $params['_wp_unfiltered_html_comment'] = wp_create_nonce( 'unfiltered-html-comment_' . get_the_ID() );
- }
- $signature = Jetpack_Comments::sign_remote_comment_parameters( $params, Jetpack::get_option( 'blog_token' ) );
- if ( is_wp_error( $signature ) ) {
- $signature = 'error';
- }
- $params['sig'] = $signature;
- $url_origin = ( is_ssl() ? 'https' : 'http' ) . '://jetpack.wordpress.com';
- $url = "{$url_origin}/jetpack-comment/?" . http_build_query( $params );
- $url = "{$url}#parent=" . urlencode( ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
- $this->signed_url = $url;
- $height = $params['comment_registration'] || is_user_logged_in() ? '315' : '430'; // Iframe can be shorter if we're not allowing guest commenting
- $transparent = ( $params['color_scheme'] == 'transparent' ) ? 'true' : 'false';
- if ( isset( $_GET['replytocom'] ) ) {
- $url .= '&replytocom=' . (int) $_GET['replytocom'];
- }
- // The actual iframe (loads comment form from Jetpack server)
- ?>
- <div id="respond">
- <div id="cancel-comment-reply-link" style="display:none; float:right;"><a href="#"><?php echo esc_html( __( 'Cancel Reply', 'jetpack' ) ); ?></a></div>
- <iframe src="<?php echo esc_url( $url ); ?>" allowtransparency="<?php echo $transparent; ?>" style="width:100%; height: <?php echo $height; ?>px;border:0px;" frameBorder="0" scrolling="no" name="jetpack_remote_comment" id="jetpack_remote_comment"></iframe>
- </div>
- <?php // Below is required for comment reply JS to work ?>
- <input type="hidden" name="comment_parent" id="comment_parent" value="" />
- <?php
- }
- /**
- * Add some JS to wp_footer to watch for hierarchical reply parent change
- *
- * @since JetpackComments (1.4)
- */
- public function watch_comment_parent() {
- $url_origin = ( is_ssl() ? 'https' : 'http' ) . '://jetpack.wordpress.com';
- ?>
- <!--[if IE]>
- <script type="text/javascript">
- if ( 0 === window.location.hash.indexOf( '#comment-' ) ) {
- // window.location.reload() doesn't respect the Hash in IE
- window.location.hash = window.location.hash;
- }
- </script>
- <![endif]-->
- <script type="text/javascript">
- var comm_par_el = document.getElementById( 'comment_parent' ),
- comm_par = (comm_par_el && comm_par_el.value) ? comm_par_el.value : '',
- frame = document.getElementById( 'jetpack_remote_comment' ),
- tellFrameNewParent;
- tellFrameNewParent = function() {
- if ( comm_par ) {
- frame.src = <?php echo json_encode( esc_url_raw( $this->signed_url ) ); ?> + '&replytocom=' + parseInt( comm_par, 10 ).toString();
- } else {
- frame.src = <?php echo json_encode( esc_url_raw( $this->signed_url ) ); ?>;
- }
- };
- <?php if ( get_option( 'thread_comments' ) && get_option( 'thread_comments_depth' ) ) : ?>
- if ( 'undefined' !== typeof addComment ) {
- addComment._Jetpack_moveForm = addComment.moveForm;
- addComment.moveForm = function( commId, parentId, respondId, postId ) {
- var returnValue = addComment._Jetpack_moveForm( commId, parentId, respondId, postId ), cancelClick, cancel;
- if ( false === returnValue ) {
- cancel = document.getElementById( 'cancel-comment-reply-link' );
- cancelClick = cancel.onclick;
- cancel.onclick = function() {
- var cancelReturn = cancelClick.call( this );
- if ( false !== cancelReturn ) {
- return cancelReturn;
- }
- if ( !comm_par ) {
- return cancelReturn;
- }
- comm_par = 0;
- tellFrameNewParent();
- return cancelReturn;
- };
- }
- if ( comm_par == parentId ) {
- return returnValue;
- }
- comm_par = parentId;
- tellFrameNewParent();
- return returnValue;
- };
- }
- <?php endif; ?>
- if ( window.postMessage ) {
- if ( document.addEventListener ) {
- window.addEventListener( 'message', function( event ) {
- if ( <?php echo json_encode( esc_url_raw( $url_origin ) ); ?> !== event.origin ) {
- return;
- }
- jQuery( frame ).height( event.data );
- } );
- } else if ( document.attachEvent ) {
- window.attachEvent( 'message', function( event ) {
- if ( <?php echo json_encode( esc_url_raw( $url_origin ) ); ?> !== event.origin ) {
- return;
- }
- jQuery( frame ).height( event.data );
- } );
- }
- }
- </script>
- <?php
- }
- /**
- * Verify the hash included in remote comments.
- *
- * @since JetpackComments (1.4)
- * @param type $comment Not used
- */
- public function pre_comment_on_post( $comment ) {
- $post_array = stripslashes_deep( $_POST );
- // Bail if missing the Jetpack token
- if ( ! isset( $post_array['sig'] ) ) {
- unset( $_POST['hc_post_as'] );
- return;
- }
- if ( FALSE !== strpos( $post_array['hc_avatar'], '.gravatar.com' ) )
- $post_array['hc_avatar'] = htmlentities( $post_array['hc_avatar'] );
- $check = Jetpack_Comments::sign_remote_comment_parameters( $post_array, Jetpack::get_option( 'blog_token' ) );
- if ( is_wp_error( $check ) ) {
- wp_die( $check );
- }
- // Bail if token is expired or not valid
- if ( $check !== $post_array['sig'] )
- wp_die( __( 'Invalid security token.', 'jetpack' ) );
- }
- /** Capabilities **********************************************************/
- /**
- * Add some additional comment meta after comment is saved about what
- * service the comment is from, the avatar, user_id, etc...
- *
- * @since JetpackComments (1.4)
- * @param type $comment_id
- */
- public function add_comment_meta( $comment_id ) {
- $comment_meta = array();
- switch( $this->is_highlander_comment_post() ) {
- case 'facebook' :
- $comment_meta['hc_post_as'] = 'facebook';
- $comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
- $comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
- break;
- case 'twitter' :
- $comment_meta['hc_post_as'] = 'twitter';
- $comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
- $comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
- break;
- case 'wordpress' :
- $comment_meta['hc_post_as'] = 'wordpress';
- $comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
- $comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
- break;
- case 'jetpack' :
- $comment_meta['hc_post_as'] = 'jetpack';
- $comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
- $comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
- break;
- }
- // Bail if no extra comment meta
- if ( empty( $comment_meta ) )
- return;
- // Loop through extra meta and add values
- foreach ( $comment_meta as $key => $value )
- add_comment_meta( $comment_id, $key, $value, true );
- }
- function capture_comment_post_redirect_to_reload_parent_frame( $url ) {
- if ( !isset( $_GET['for'] ) || 'jetpack' != $_GET['for'] ) {
- return $url;
- }
- ?>
- <!DOCTYPE html>
- <html <?php language_attributes(); ?>>
- <!--<![endif]-->
- <head>
- <meta charset="<?php bloginfo( 'charset' ); ?>" />
- <title><?php printf( __( 'Submitting Comment%s', 'jetpack' ), '…' ); ?></title>
- <style type="text/css">
- body {
- display: table;
- width: 100%;
- height: 60%;
- position: absolute;
- top: 0;
- left: 0;
- overflow: hidden;
- color: #333;
- }
- h1 {
- text-align: center;
- margin: 0;
- padding: 0;
- display: table-cell;
- vertical-align: middle;
- font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
- font-weight: normal;
- }
- .hidden {
- opacity: 0;
- }
- h1 span {
- -moz-transition-property: opacity;
- -moz-transition-duration: 1s;
- -moz-transition-timing-function: ease-in-out;
- -webkit-transition-property: opacity;
- -webkit-transition-duration: 1s;
- -webbit-transition-timing-function: ease-in-out;
- -o-transition-property: opacity;
- -o-transition-duration: 1s;
- -o-transition-timing-function: ease-in-out;
- -ms-transition-property: opacity;
- -ms-transition-duration: 1s;
- -ms-transition-timing-function: ease-in-out;
- transition-property: opacity;
- transition-duration: 1s;
- transition-timing-function: ease-in-out;
- }
- </style>
- </head>
- <body>
- <h1><?php printf( __( 'Submitting Comment%s', 'jetpack' ), '<span id="ellipsis" class="hidden">…</span>' ); ?></h1>
- <script type="text/javascript">
- try {
- window.parent.location = <?php echo json_encode( $url ); ?>;
- window.parent.location.reload();
- } catch ( e ) {
- window.location = <?php echo json_encode( $url ); ?>;
- window.location.reload();
- }
- ellipsis = document.getElementById( 'ellipsis' );
- function toggleEllipsis() {
- ellipsis.className = ellipsis.className ? '' : 'hidden';
- }
- setInterval( toggleEllipsis, 1200 );
- </script>
- </body>
- </html>
- <?php
- exit;
- }
- }
- Jetpack_Comments::init();