wordpress/php-fpm/wordpress_files/plugins/jetpack/modules/publicize.php

<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
/**
 * Module Name: Publicize
 * Module Description: Publicize makes it easy to share your site’s posts on several social media networks automatically when you publish a new post.
 * Sort Order: 10
 * Recommendation Order: 7
 * First Introduced: 2.0
 * Requires Connection: Yes
 * Auto Activate: No
 * Module Tags: Social, Recommended
 * Feature: Engagement
 * Additional Search Queries: facebook, jetpack publicize, twitter, tumblr, linkedin, social, tweet, connections, sharing, social media, automated, automated sharing, auto publish, auto tweet and like, auto tweet, facebook auto post, facebook posting
 *
 * @package Jetpack.
 */

/**
 * Class Jetpack_Publicize
 */
class Jetpack_Publicize {

	/**
	 * If Publicize is executing within Jetpack.
	 *
	 * @var bool
	 */
	public $in_jetpack = true;

	/**
	 * Jetpack_Publicize constructor.
	 */
	public function __construct() {
		global $publicize_ui;

		$this->in_jetpack = ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'enable_module_configurable' ) ) ? true : false;

		if ( $this->in_jetpack ) {
			Jetpack::enable_module_configurable( __FILE__ );
		}

		require_once dirname( __FILE__ ) . '/publicize/publicize.php';

		if ( $this->in_jetpack ) {
			require_once dirname( __FILE__ ) . '/publicize/publicize-jetpack.php';
		} else {
			require_once dirname( dirname( __FILE__ ) ) . '/mu-plugins/keyring/keyring.php';
			require_once dirname( __FILE__ ) . '/publicize/publicize-wpcom.php';
		}

		require_once dirname( __FILE__ ) . '/publicize/ui.php';
		$publicize_ui             = new Publicize_UI();
		$publicize_ui->in_jetpack = $this->in_jetpack;

		// Jetpack specific checks / hooks.
		if ( $this->in_jetpack ) {
			// if sharedaddy isn't active, the sharing menu hasn't been added yet.
			$active = Jetpack::get_active_modules();
			if ( in_array( 'publicize', $active, true ) && ! in_array( 'sharedaddy', $active, true ) ) {
				add_action( 'admin_menu', array( &$publicize_ui, 'sharing_menu' ) );
			}

			/*
			 * The Publicize Options array does not currently have UI since it is being added
			 * for a specific purpose and not part of a broader Publicize sprint.
			 *
			 * In order to pass the settings up to WordPress.com, we are updating an option to Sync will pass it up.
			 * To make it relatively easy for use, we are creating a filter that checks if the option and filter match.
			 *
			 * This only runs when a post is saved to avoid it running too much.
			 */
			add_action(
				'save_post',
				function() {
					$publicize_options = get_option( 'jetpack_publicize_options', array() );

					/**
					 * Filters the options for Publicize.
					 *
					 * As of Jetpack 8.5, the array keys could be:
					 * attach_media bool If Publicize should send the image to the social media platform. Default false.
					 *
					 * @module publicize
					 *
					 * @since 8.5.0
					 *
					 * @param array $options Array of Publicize options.
					 */
					$filtered = (array) apply_filters( 'jetpack_publicize_options', $publicize_options );

					if ( $publicize_options !== $filtered ) {
						update_option( 'jetpack_publicize_options', $filtered, false );
					}
				}
			);
		}
	}
}

global $publicize_ui;
new Jetpack_Publicize();

if ( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) && ! function_exists( 'publicize_init' ) ) {
	/**
	 * Helper for grabbing a Publicize object from the "front-end" (non-admin) of
	 * a site. Normally Publicize is only loaded in wp-admin, so there's a little
	 * set up that you might need to do if you want to use it on the front end.
	 * Just call this function and it returns a Publicize object.
	 *
	 * @return Publicize Object
	 */
	function publicize_init() {
		global $publicize;

		if ( ! class_exists( 'Publicize' ) ) {
			require_once dirname( __FILE__ ) . '/publicize/publicize.php';
		}

		return $publicize;
	}
}