575 lines
17 KiB
PHP
575 lines
17 KiB
PHP
<?php
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require dirname( __FILE__ ) . '/base.php';
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/**
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* Main Comments class
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*
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* @package JetpackComments
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* @version 1.4
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* @since 1.4
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*/
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class Jetpack_Comments extends Highlander_Comments_Base {
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/** Variables *************************************************************/
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/**
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* Possible comment form sources
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* @var array
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*/
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public $id_sources = array();
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/**
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* URL
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* @var string
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*/
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public $signed_url = '';
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/**
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* The default comment form color scheme
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* @var string
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* @see ::set_default_color_theme_based_on_theme_settings()
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*/
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public $default_color_scheme = 'light';
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/** Methods ***************************************************************/
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public static function init() {
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static $instance = false;
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if ( !$instance ) {
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$instance = new Jetpack_Comments;
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}
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return $instance;
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}
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/**
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* Main constructor for Comments
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*
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* @since JetpackComments (1.4)
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*/
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public function __construct() {
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parent::__construct();
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// Comments is loaded
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/**
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* Fires after the Jetpack_Comments object has been instantiated
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*
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* @module comments
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*
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* @since 1.4.0
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*
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* @param array $jetpack_comments_loaded First element in array of type Jetpack_Comments
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**/
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do_action_ref_array( 'jetpack_comments_loaded', array( $this ) );
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add_action( 'after_setup_theme', array( $this, 'set_default_color_theme_based_on_theme_settings' ), 100 );
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}
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public function set_default_color_theme_based_on_theme_settings() {
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if ( function_exists( 'twentyeleven_get_theme_options' ) ) {
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$theme_options = twentyeleven_get_theme_options();
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$theme_color_scheme = isset( $theme_options['color_scheme'] ) ? $theme_options['color_scheme'] : 'transparent';
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} else {
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$theme_color_scheme = get_theme_mod( 'color_scheme', 'transparent' );
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}
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// Default for $theme_color_scheme is 'transparent' just so it doesn't match 'light' or 'dark'
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// The default for Jetpack's color scheme is still defined above as 'light'
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if ( false !== stripos( $theme_color_scheme, 'light' ) ) {
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$this->default_color_scheme = 'light';
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} elseif ( false !== stripos( $theme_color_scheme, 'dark' ) ) {
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$this->default_color_scheme = 'dark';
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}
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}
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/** Private Methods *******************************************************/
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/**
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* Set any global variables or class variables
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* @since JetpackComments (1.4)
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*/
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protected function setup_globals() {
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parent::setup_globals();
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// Sources
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$this->id_sources = array(
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'guest',
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'jetpack',
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'wordpress',
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'twitter',
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'facebook'
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);
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}
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/**
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* Setup actions for methods in this class
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* @since JetpackComments (1.4)
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*/
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protected function setup_actions() {
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parent::setup_actions();
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// Selfishly remove everything from the existing comment form
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remove_all_actions( 'comment_form_before' );
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remove_all_actions( 'comment_form_after' );
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// Selfishly add only our actions back to the comment form
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add_action( 'comment_form_before', array( $this, 'comment_form_before' ) );
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add_action( 'comment_form_after', array( $this, 'comment_form_after' ) );
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// Before a comment is posted
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add_action( 'pre_comment_on_post', array( $this, 'pre_comment_on_post' ), 1 );
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// After a comment is posted
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add_action( 'comment_post', array( $this, 'add_comment_meta' ) );
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}
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/**
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* Setup filters for methods in this class
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* @since 1.6.2
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*/
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protected function setup_filters() {
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parent::setup_filters();
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add_filter( 'comment_post_redirect', array( $this, 'capture_comment_post_redirect_to_reload_parent_frame' ), 100 );
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add_filter( 'get_avatar', array( $this, 'get_avatar' ), 10, 4 );
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}
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/**
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* Get the comment avatar from Gravatar, Twitter, or Facebook
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*
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* @since JetpackComments (1.4)
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* @param string $avatar Current avatar URL
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* @param string $comment Comment for the avatar
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* @param int $size Size of the avatar
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* @param string $default Not used
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* @return string New avatar
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*/
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public function get_avatar( $avatar, $comment, $size, $default ) {
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if ( ! isset( $comment->comment_post_ID ) || ! isset( $comment->comment_ID ) ) {
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// it's not a comment - bail
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return $avatar;
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}
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if ( false === strpos( $comment->comment_author_url, '/www.facebook.com/' ) && false === strpos( $comment->comment_author_url, '/twitter.com/' ) ) {
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// It's neither FB nor Twitter - bail
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return $avatar;
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}
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// It's a FB or Twitter avatar
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$foreign_avatar = get_comment_meta( $comment->comment_ID, 'hc_avatar', true );
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if ( empty( $foreign_avatar ) ) {
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// Can't find the avatar details - bail
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return $avatar;
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}
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// Return the FB or Twitter avatar
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return preg_replace( '#src=([\'"])[^\'"]+\\1#', 'src=\\1' . esc_url( $this->photon_avatar( $foreign_avatar, $size ) ) . '\\1', $avatar );
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}
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/** Output Methods ********************************************************/
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/**
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* Start capturing the core comment_form() output
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* @since JetpackComments (1.4)
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*/
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public function comment_form_before() {
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/**
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* Filters the setting that determines if Jetpagk comments should be enabled for
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* the current post type.
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*
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* @module comments
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*
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* @since 3.8.1
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*
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* @param boolean $return Should comments be enabled?
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*/
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if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type(), true ) ) {
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return;
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}
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// Add some JS to the footer
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add_action( 'wp_footer', array( $this, 'watch_comment_parent' ), 100 );
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ob_start();
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}
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/**
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* Noop the default comment form output, get some options, and output our
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* tricked out totally radical comment form.
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*
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* @since JetpackComments (1.4)
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*/
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public function comment_form_after() {
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/** This filter is documented in modules/comments/comments.php */
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if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type(), true ) ) {
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return;
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}
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// Throw it all out and drop in our replacement
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ob_end_clean();
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// If users are required to be logged in, and they're not, then we don't need to do anything else
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if ( get_option( 'comment_registration' ) && !is_user_logged_in() ) {
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/**
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* Changes the log in to comment prompt.
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*
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* @module comments
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*
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* @since 1.4.0
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*
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* @param string $var Default is "You must log in to post a comment."
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*/
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echo '<p class="must-log-in">' . sprintf( apply_filters( 'jetpack_must_log_in_to_comment', __( 'You must <a href="%s">log in</a> to post a comment.', 'jetpack' ) ), wp_login_url( get_permalink() . '#respond' ) ) . '</p>';
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return;
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}
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if ( in_array( 'subscriptions', Jetpack::get_active_modules() ) ) {
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$stb_enabled = get_option( 'stb_enabled', 1 );
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$stb_enabled = empty( $stb_enabled ) ? 0 : 1;
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$stc_enabled = get_option( 'stc_enabled', 1 );
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$stc_enabled = empty( $stc_enabled ) ? 0 : 1;
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} else {
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$stb_enabled = 0;
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$stc_enabled = 0;
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}
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$params = array(
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'blogid' => Jetpack_Options::get_option( 'id' ),
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'postid' => get_the_ID(),
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'comment_registration' => ( get_option( 'comment_registration' ) ? '1' : '0' ), // Need to explicitly send a '1' or a '0' for these
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'require_name_email' => ( get_option( 'require_name_email' ) ? '1' : '0' ),
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'stc_enabled' => $stc_enabled,
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'stb_enabled' => $stb_enabled,
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'show_avatars' => ( get_option( 'show_avatars' ) ? '1' : '0' ),
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'avatar_default' => get_option( 'avatar_default' ),
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'greeting' => get_option( 'highlander_comment_form_prompt', __( 'Leave a Reply', 'jetpack' ) ),
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/**
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* Changes the comment form prompt.
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*
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* @module comments
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*
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* @since 2.3.0
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*
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* @param string $var Default is "Leave a Reply to %s."
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*/
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'greeting_reply' => apply_filters( 'jetpack_comment_form_prompt_reply', __( 'Leave a Reply to %s' , 'jetpack' ) ),
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'color_scheme' => get_option( 'jetpack_comment_form_color_scheme', $this->default_color_scheme ),
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'lang' => get_locale(),
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'jetpack_version' => JETPACK__VERSION,
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);
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// Extra parameters for logged in user
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if ( is_user_logged_in() ) {
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$current_user = wp_get_current_user();
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$params['hc_post_as'] = 'jetpack';
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$params['hc_userid'] = $current_user->ID;
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$params['hc_username'] = $current_user->display_name;
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$params['hc_userurl'] = $current_user->user_url;
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$params['hc_useremail'] = md5( strtolower( trim( $current_user->user_email ) ) );
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if ( current_user_can( 'unfiltered_html' ) )
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$params['_wp_unfiltered_html_comment'] = wp_create_nonce( 'unfiltered-html-comment_' . get_the_ID() );
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}
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$signature = Jetpack_Comments::sign_remote_comment_parameters( $params, Jetpack_Options::get_option( 'blog_token' ) );
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if ( is_wp_error( $signature ) ) {
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$signature = 'error';
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}
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$params['sig'] = $signature;
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$url = "https://jetpack.wordpress.com/jetpack-comment/?" . http_build_query( $params );
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$url = "{$url}#parent=" . urlencode( set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ) );
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$this->signed_url = $url;
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$height = $params['comment_registration'] || is_user_logged_in() ? '315' : '430'; // Iframe can be shorter if we're not allowing guest commenting
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$transparent = ( $params['color_scheme'] == 'transparent' ) ? 'true' : 'false';
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if ( isset( $_GET['replytocom'] ) ) {
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$url .= '&replytocom=' . (int) $_GET['replytocom'];
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}
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// The actual iframe (loads comment form from Jetpack server)
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?>
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<div id="respond" class="comment-respond">
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<h3 id="reply-title" class="comment-reply-title"><?php comment_form_title( esc_html( $params['greeting'] ), esc_html( $params['greeting_reply'] ) ); ?> <small><?php cancel_comment_reply_link( esc_html__( 'Cancel reply' , 'jetpack') ); ?></small></h3>
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<form id="commentform" class="comment-form">
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<iframe src="<?php echo esc_url( $url ); ?>" allowtransparency="<?php echo $transparent; ?>" style="width:100%; height: <?php echo $height; ?>px;border:0;" frameBorder="0" scrolling="no" name="jetpack_remote_comment" id="jetpack_remote_comment"></iframe>
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</form>
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</div>
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<?php // Below is required for comment reply JS to work ?>
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<input type="hidden" name="comment_parent" id="comment_parent" value="" />
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<?php
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}
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/**
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* Add some JS to wp_footer to watch for hierarchical reply parent change
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*
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* @since JetpackComments (1.4)
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*/
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public function watch_comment_parent() {
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$url_origin = 'https://jetpack.wordpress.com';
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?>
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<!--[if IE]>
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<script type="text/javascript">
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if ( 0 === window.location.hash.indexOf( '#comment-' ) ) {
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// window.location.reload() doesn't respect the Hash in IE
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window.location.hash = window.location.hash;
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}
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</script>
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<![endif]-->
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<script type="text/javascript">
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var comm_par_el = document.getElementById( 'comment_parent' ),
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comm_par = (comm_par_el && comm_par_el.value) ? comm_par_el.value : '',
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frame = document.getElementById( 'jetpack_remote_comment' ),
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tellFrameNewParent;
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tellFrameNewParent = function() {
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if ( comm_par ) {
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frame.src = "<?php echo esc_url_raw( $this->signed_url ); ?>" + '&replytocom=' + parseInt( comm_par, 10 ).toString();
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} else {
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frame.src = "<?php echo esc_url_raw( $this->signed_url ); ?>";
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}
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};
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<?php if ( get_option( 'thread_comments' ) && get_option( 'thread_comments_depth' ) ) : ?>
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if ( 'undefined' !== typeof addComment ) {
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addComment._Jetpack_moveForm = addComment.moveForm;
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addComment.moveForm = function( commId, parentId, respondId, postId ) {
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var returnValue = addComment._Jetpack_moveForm( commId, parentId, respondId, postId ), cancelClick, cancel;
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if ( false === returnValue ) {
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cancel = document.getElementById( 'cancel-comment-reply-link' );
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cancelClick = cancel.onclick;
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cancel.onclick = function() {
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var cancelReturn = cancelClick.call( this );
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if ( false !== cancelReturn ) {
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return cancelReturn;
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}
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if ( !comm_par ) {
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return cancelReturn;
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}
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comm_par = 0;
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tellFrameNewParent();
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return cancelReturn;
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};
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}
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if ( comm_par == parentId ) {
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return returnValue;
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}
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comm_par = parentId;
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tellFrameNewParent();
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return returnValue;
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};
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}
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<?php endif; ?>
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if ( window.postMessage ) {
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if ( document.addEventListener ) {
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window.addEventListener( 'message', function( event ) {
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if ( <?php echo json_encode( esc_url_raw( $url_origin ) ); ?> !== event.origin ) {
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return;
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}
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jQuery( frame ).height( event.data );
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} );
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} else if ( document.attachEvent ) {
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window.attachEvent( 'message', function( event ) {
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if ( <?php echo json_encode( esc_url_raw( $url_origin ) ); ?> !== event.origin ) {
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return;
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}
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jQuery( frame ).height( event.data );
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} );
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}
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}
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</script>
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<?php
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}
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/**
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* Verify the hash included in remote comments.
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*
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* @since JetpackComments (1.4)
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* @param type $comment Not used
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*/
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public function pre_comment_on_post( $comment ) {
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$post_array = stripslashes_deep( $_POST );
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// Bail if missing the Jetpack token
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if ( ! isset( $post_array['sig'] ) ) {
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unset( $_POST['hc_post_as'] );
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return;
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}
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if ( FALSE !== strpos( $post_array['hc_avatar'], '.gravatar.com' ) )
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$post_array['hc_avatar'] = htmlentities( $post_array['hc_avatar'] );
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$check = Jetpack_Comments::sign_remote_comment_parameters( $post_array, Jetpack_Options::get_option( 'blog_token' ) );
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if ( is_wp_error( $check ) ) {
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wp_die( $check );
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}
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// Bail if token is expired or not valid
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if ( $check !== $post_array['sig'] )
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wp_die( __( 'Invalid security token.', 'jetpack' ) );
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/** This filter is documented in modules/comments/comments.php */
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if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type( $post_array['comment_post_ID'] ), true ) ) {
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// In case the comment POST is legit, but the comments are
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// now disabled, we don't allow the comment
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wp_die( __( 'Comments are not allowed.', 'jetpack' ) );
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}
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}
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/** Capabilities **********************************************************/
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/**
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* Add some additional comment meta after comment is saved about what
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* service the comment is from, the avatar, user_id, etc...
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*
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* @since JetpackComments (1.4)
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* @param type $comment_id
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*/
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public function add_comment_meta( $comment_id ) {
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$comment_meta = array();
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switch( $this->is_highlander_comment_post() ) {
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case 'facebook' :
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$comment_meta['hc_post_as'] = 'facebook';
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$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
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$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
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break;
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case 'twitter' :
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$comment_meta['hc_post_as'] = 'twitter';
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$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
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$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
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break;
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case 'wordpress' :
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$comment_meta['hc_post_as'] = 'wordpress';
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$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
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$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
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$comment_meta['hc_wpcom_id_sig'] = stripslashes( $_POST['hc_wpcom_id_sig'] ); //since 1.9
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break;
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case 'jetpack' :
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$comment_meta['hc_post_as'] = 'jetpack';
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$comment_meta['hc_avatar'] = stripslashes( $_POST['hc_avatar'] );
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$comment_meta['hc_foreign_user_id'] = stripslashes( $_POST['hc_userid'] );
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break;
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}
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// Bail if no extra comment meta
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if ( empty( $comment_meta ) )
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return;
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// Loop through extra meta and add values
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foreach ( $comment_meta as $key => $value )
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add_comment_meta( $comment_id, $key, $value, true );
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}
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function capture_comment_post_redirect_to_reload_parent_frame( $url ) {
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if ( !isset( $_GET['for'] ) || 'jetpack' != $_GET['for'] ) {
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return $url;
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}
|
|
?>
|
|
<!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( true );
|
|
} catch ( e ) {
|
|
window.location = <?php echo json_encode( $url ); ?>;
|
|
window.location.reload( true );
|
|
}
|
|
ellipsis = document.getElementById( 'ellipsis' );
|
|
function toggleEllipsis() {
|
|
ellipsis.className = ellipsis.className ? '' : 'hidden';
|
|
}
|
|
setInterval( toggleEllipsis, 1200 );
|
|
</script>
|
|
</body>
|
|
</html>
|
|
<?php
|
|
exit;
|
|
}
|
|
}
|
|
|
|
Jetpack_Comments::init();
|