comments.php | searchcode

/wp-content/plugins/jetpack/modules/comments/comments.php

https://gitlab.com/juanito.abelo/nlmobile
PHP | 543 lines | 330 code | 89 blank | 124 comment | 45 complexity | 2f52c7d39139497c3852838aa1150d1b 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



		/**

		 * Fires after the Jetpack_Comments object has been instantiated

		 *

		 * @since 1.4.0

		 *

		 * @param array $jetpack_comments_loaded First element in array of type Jetpack_Comments

		 **/

		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 );

		add_filter( 'get_avatar',            array( $this, 'get_avatar' ), 10, 4 );

	}



	/**

	 * Get the comment avatar from Gravatar, Twitter, or Facebook

	 *

	 * @since JetpackComments (1.4)

	 * @param string $avatar Current avatar URL

	 * @param string $comment Comment for the avatar

	 * @param int $size Size of the avatar

	 * @param string $default Not used

	 * @return string New avatar

	 */

	public function get_avatar( $avatar, $comment, $size, $default ) {

		if ( ! isset( $comment->comment_post_ID ) || ! isset( $comment->comment_ID ) ) {

			// it's not a comment - bail

			return $avatar;

		}



		if ( false === strpos( $comment->comment_author_url, '/www.facebook.com/' ) && false === strpos( $comment->comment_author_url, '/twitter.com/' ) ) {

			// It's neither FB nor Twitter - bail

			return $avatar;

		}



		// It's a FB or Twitter avatar

		$foreign_avatar = get_comment_meta( $comment->comment_ID, 'hc_avatar', true );

		if ( empty( $foreign_avatar ) ) {

			// Can't find the avatar details - bail

			return $avatar;

		}



		// Return the FB or Twitter avatar

		return preg_replace( '#src=([\'"])[^\'"]+\\1#', 'src=\\1' . esc_url( $this->photon_avatar( $foreign_avatar, $size ) ) . '\\1', $avatar );

	}



	/** 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 the 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() ) {

			/**

			 * Changes the log in to comment prompt.

			 *

			 * @since 1.4.0

			 *

			 * @param string $var Default is "You must log in to post a comment."

			 */

			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>';

			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_Options::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' ) ),

			/**

			 * Changes the comment form prompt.

			 *

			 * @since 2.3.0

			 *

			 * @param string $var Default is "Leave a Reply to %s."

			 */

			'greeting_reply'       => apply_filters( 'jetpack_comment_form_prompt_reply', __( 'Leave a Reply to %s' , '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_Options::get_option( 'blog_token' ) );

		if ( is_wp_error( $signature ) ) {

			$signature = 'error';

		}



		$params['sig']    = $signature;

		$url_origin       = set_url_scheme( 'http://jetpack.wordpress.com' );

		$url              = "{$url_origin}/jetpack-comment/?" . http_build_query( $params );

		$url              = "{$url}#parent=" . urlencode( set_url_scheme( '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" class="comment-respond">

			<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>

			<div id="commentform" class="comment-form">

				<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>

		</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 = set_url_scheme( '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 esc_url_raw( $this->signed_url ); ?>" + '&replytocom=' + parseInt( comm_par, 10 ).toString();

				} else {

					frame.src = "<?php echo 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_Options::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'] );

				$comment_meta['hc_wpcom_id_sig']    = stripslashes( $_POST['hc_wpcom_id_sig'] ); //since 1.9

				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' ), '&hellip;' ); ?></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">&hellip;</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();