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<?php

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/**

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* Like Block.

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* @since 12.9

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* @package automattic/jetpack

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namespace Automattic\Jetpack\Extensions\Like;

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use Automattic\Jetpack\Assets;

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use Automattic\Jetpack\Blocks;

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use Automattic\Jetpack\Status\Request;

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use Jetpack_Gutenberg;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Registers the block for use in Gutenberg

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* This is done via an action so that we can disable

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* registration if we need to.

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function register_block() {

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$is_wpcom = defined( 'IS_WPCOM' ) && IS_WPCOM;

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$is_connected = \Jetpack::is_connection_ready();

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if ( $is_wpcom || $is_connected ) {

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Blocks::jetpack_register_block(

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__DIR__,

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array(

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'api_version' => 3,

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'render_callback' => __NAMESPACE__ . '\render_block',

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'description' => $is_wpcom ? __( 'Give your readers the ability to show appreciation for your posts and easily share them with others.', 'jetpack' ) : __( 'Give your readers the ability to show appreciation for your posts.', 'jetpack' ),

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)

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);

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}

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}

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add_action( 'init', __NAMESPACE__ . '\register_block' );

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/**

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* Like block render function.

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* @param array $attr Array containing the Like block attributes.

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* @param string $content String containing the Like block content.

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* @param object $block Object containing the Like block data.

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* @return string

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function render_block( $attr, $content, $block ) {

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// Do not render the Like block in other context than front-end (i.e. feed, emails, API, etc.).

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if ( ! Request::is_frontend() ) {

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return;

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}

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* Enqueue necessary scripts and styles.

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Jetpack_Gutenberg::load_assets_as_required( __DIR__ );

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$html = '';

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$uniqid = uniqid();

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$post_id = $block->context['postId'] ?? null;

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$title = esc_html__( 'Like or Reblog', 'jetpack' );

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if ( ! $post_id ) {

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return;

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}

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// make sure we have `jetpack_likes_master_iframe` defined

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require_once JETPACK__PLUGIN_DIR . 'modules/likes/jetpack-likes-master-iframe.php';

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if ( ! has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {

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add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );

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}

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$style_path = null;

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if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {

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$style_url = content_url( 'mu-plugins/likes/jetpack-likes.css' );

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if ( defined( 'WP_CONTENT_DIR' ) && WP_CONTENT_DIR ) {

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$style_path = WP_CONTENT_DIR . '/mu-plugins/likes/jetpack-likes.css';

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}

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$script_url = content_url( 'mu-plugins/likes/queuehandler.js' );

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} else {

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$style_url = Assets::get_file_url_for_environment(

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'_inc/build/likes/style.min.css',

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'modules/likes/style.css'

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);

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/** This filter is documented in projects/plugins/jetpack/load-jetpack.php */

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$style_path = JETPACK__PLUGIN_DIR . ( apply_filters( 'jetpack_should_use_minified_assets', true ) ? '_inc/build/likes/style.min.css' : 'modules/likes/style.css' );

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$script_url = Assets::get_file_url_for_environment(

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'_inc/build/likes/queuehandler.min.js',

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'modules/likes/queuehandler.js'

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);

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}

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wp_enqueue_script(

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'jetpack_likes_queuehandler',

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$script_url,

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array(),

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JETPACK__VERSION,

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array(

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'strategy' => 'defer',

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'in_footer' => true,

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)

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);

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wp_enqueue_style( 'jetpack_likes', $style_url, array(), JETPACK__VERSION );

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if ( $style_path ) {

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wp_style_add_data( 'jetpack_likes', 'path', $style_path );

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}

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$show_reblog_button = $attr['showReblogButton'] ?? false;

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$show_avatars = $attr['showAvatars'] ?? true;

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if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {

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$blog_id = get_current_blog_id();

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$bloginfo = get_blog_details( (int) $blog_id );

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$domain = $bloginfo->domain;

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$reblog_param = $show_reblog_button ? '&reblog=1' : '';

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$show_avatars_param = $show_avatars ? '' : '&slim=1';

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$src = sprintf( 'https://widgets.wp.com/likes/index.html?ver=%1$s#blog_id=%2$d&post_id=%3$d&origin=%4$s&obj_id=%2$d-%3$d-%5$s%6$s%7$s&block=1', rawurlencode( JETPACK__VERSION ), $blog_id, $post_id, $domain, $uniqid, $reblog_param, $show_avatars_param );

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// provide the mapped domain when needed

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if ( isset( $_SERVER['HTTP_HOST'] ) && strpos( sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ), '.wordpress.com' ) === false ) {

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$sanitized_host = filter_var( wp_unslash( $_SERVER['HTTP_HOST'] ), FILTER_SANITIZE_URL );

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$src .= '&domain=' . rawurlencode( $sanitized_host );

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}

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} else {

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$blog_id = \Jetpack_Options::get_option( 'id' );

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$url = home_url();

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$url_parts = wp_parse_url( $url );

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$domain = $url_parts['host'];

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$show_avatars_param = $show_avatars ? '' : '&slim=1';

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$src = sprintf( 'https://widgets.wp.com/likes/index.html?ver=%1$s#blog_id=%2$d&post_id=%3$d&origin=%4$s&obj_id=%2$d-%3$d-%5$s%6$s&block=1', rawurlencode( JETPACK__VERSION ), $blog_id, $post_id, $domain, $uniqid, $show_avatars_param );

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}

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$name = sprintf( 'like-post-frame-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );

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$wrapper = sprintf( 'like-post-wrapper-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );

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$html = "<div class='sharedaddy sd-block sd-like jetpack-likes-widget-wrapper jetpack-likes-widget-unloaded' id='" . esc_attr( $wrapper ) . "' data-src='" . esc_attr( $src ) . "' data-name='" . esc_attr( $name ) . "' data-title='" . esc_attr( $title ) . "'>"

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. "<div class='likes-widget-placeholder post-likes-widget-placeholder' style='height: 55px;'><span class='loading'>" . esc_html__( 'Loading…', 'jetpack' ) . '</span></div>'

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. "<span class='sd-text-color'></span><a class='sd-link-color'></a>"

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. '</div>';

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return sprintf(

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'<div class="%1$s">%2$s</div>',

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esc_attr( Blocks::classes( Blocks::get_block_feature( __DIR__ ), $attr ) ),

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$html

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);

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}

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