1 files changed, 0 insertions, 269 deletions
diff --git a/plugins/jetpack/sync/class.jetpack-sync-module-callables.php b/plugins/jetpack/sync/class.jetpack-sync-module-callables.php
deleted file mode 100644
index 2db509ed..00000000
--- a/plugins/jetpack/sync/class.jetpack-sync-module-callables.php
+++ /dev/null
@@ -1,269 +0,0 @@
-<?php
-
-require_once dirname( __FILE__ ) . '/class.jetpack-sync-functions.php';
-
-class Jetpack_Sync_Module_Callables extends Jetpack_Sync_Module {
-	const CALLABLES_CHECKSUM_OPTION_NAME = 'jetpack_callables_sync_checksum';
-	const CALLABLES_AWAIT_TRANSIENT_NAME = 'jetpack_sync_callables_await';
-
-	private $callable_whitelist;
-
-	public function name() {
-		return 'functions';
-	}
-
-	public function set_defaults() {
-		if ( is_multisite() ) {
-			$this->callable_whitelist = array_merge( Jetpack_Sync_Defaults::get_callable_whitelist(), Jetpack_Sync_Defaults::get_multisite_callable_whitelist() );
-		} else {
-			$this->callable_whitelist = Jetpack_Sync_Defaults::get_callable_whitelist();
-		}
-	}
-
-	public function init_listeners( $callable ) {
-		add_action( 'jetpack_sync_callable', $callable, 10, 2 );
-		add_action( 'current_screen', array( $this, 'set_plugin_action_links' ), 9999 ); // Should happen very late
-
-		// For some options, we should always send the change right away!
-		$always_send_updates_to_these_options = array(
-			'jetpack_active_modules',
-			'home',
-			'siteurl',
-			'jetpack_sync_error_idc',
-			'paused_plugins',
-			'paused_themes',
-		);
-		foreach ( $always_send_updates_to_these_options as $option ) {
-			add_action( "update_option_{$option}", array( $this, 'unlock_sync_callable' ) );
-			add_action( "delete_option_{$option}", array( $this, 'unlock_sync_callable' ) );
-		}
-
-		// Provide a hook so that hosts can send changes to certain callables right away.
-		// Especially useful when a host uses constants to change home and siteurl.
-		add_action( 'jetpack_sync_unlock_sync_callable', array( $this, 'unlock_sync_callable' ) );
-
-		// get_plugins and wp_version
-		// gets fired when new code gets installed, updates etc.
-		add_action( 'upgrader_process_complete', array( $this, 'unlock_plugin_action_link_and_callables' ) );
-		add_action( 'update_option_active_plugins', array( $this, 'unlock_plugin_action_link_and_callables' ) );
-	}
-
-	public function init_full_sync_listeners( $callable ) {
-		add_action( 'jetpack_full_sync_callables', $callable );
-	}
-
-	public function init_before_send() {
-		add_action( 'jetpack_sync_before_send_queue_sync', array( $this, 'maybe_sync_callables' ) );
-
-		// full sync
-		add_filter( 'jetpack_sync_before_send_jetpack_full_sync_callables', array( $this, 'expand_callables' ) );
-	}
-
-	public function reset_data() {
-		delete_option( self::CALLABLES_CHECKSUM_OPTION_NAME );
-		delete_transient( self::CALLABLES_AWAIT_TRANSIENT_NAME );
-
-		$url_callables = array( 'home_url', 'site_url', 'main_network_site_url' );
-		foreach ( $url_callables as $callable ) {
-			delete_option( Jetpack_Sync_Functions::HTTPS_CHECK_OPTION_PREFIX . $callable );
-		}
-	}
-
-	function set_callable_whitelist( $callables ) {
-		$this->callable_whitelist = $callables;
-	}
-
-	function get_callable_whitelist() {
-		return $this->callable_whitelist;
-	}
-
-	public function get_all_callables() {
-		// get_all_callables should run as the master user always.
-		$current_user_id = get_current_user_id();
-		wp_set_current_user( Jetpack_Options::get_option( 'master_user' ) );
-		$callables = array_combine(
-			array_keys( $this->get_callable_whitelist() ),
-			array_map( array( $this, 'get_callable' ), array_values( $this->get_callable_whitelist() ) )
-		);
-		wp_set_current_user( $current_user_id );
-		return $callables;
-	}
-
-	private function get_callable( $callable ) {
-		return call_user_func( $callable );
-	}
-
-	public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) {
-		/**
-		 * Tells the client to sync all callables to the server
-		 *
-		 * @since 4.2.0
-		 *
-		 * @param boolean Whether to expand callables (should always be true)
-		 */
-		do_action( 'jetpack_full_sync_callables', true );
-
-		// The number of actions enqueued, and next module state (true == done)
-		return array( 1, true );
-	}
-
-	public function estimate_full_sync_actions( $config ) {
-		return 1;
-	}
-
-	public function get_full_sync_actions() {
-		return array( 'jetpack_full_sync_callables' );
-	}
-
-	public function unlock_sync_callable() {
-		delete_transient( self::CALLABLES_AWAIT_TRANSIENT_NAME );
-	}
-
-	public function unlock_plugin_action_link_and_callables() {
-		delete_transient( self::CALLABLES_AWAIT_TRANSIENT_NAME );
-		delete_transient( 'jetpack_plugin_api_action_links_refresh' );
-		add_filter( 'jetpack_check_and_send_callables', '__return_true' );
-	}
-
-	public function set_plugin_action_links() {
-		if (
-			! class_exists( 'DOMDocument' ) ||
-			! function_exists( 'libxml_use_internal_errors' ) ||
-			! function_exists( 'mb_convert_encoding' )
-		) {
-			return;
-		}
-
-		$current_screeen = get_current_screen();
-
-		$plugins_action_links = array();
-		// Is the transient lock in place?
-		$plugins_lock = get_transient( 'jetpack_plugin_api_action_links_refresh', false );
-		if ( ! empty( $plugins_lock ) && ( isset( $current_screeen->id ) && $current_screeen->id !== 'plugins' ) ) {
-			return;
-		}
-		$plugins = array_keys( Jetpack_Sync_Functions::get_plugins() );
-		foreach ( $plugins as $plugin_file ) {
-			/**
-			 *  Plugins often like to unset things but things break if they are not able to.
-			 */
-			$action_links = array(
-				'deactivate' => '',
-				'activate'   => '',
-				'details'    => '',
-				'delete'     => '',
-				'edit'       => '',
-			);
-			/** This filter is documented in src/wp-admin/includes/class-wp-plugins-list-table.php */
-			$action_links = apply_filters( 'plugin_action_links', $action_links, $plugin_file, null, 'all' );
-			/** This filter is documented in src/wp-admin/includes/class-wp-plugins-list-table.php */
-			$action_links           = apply_filters( "plugin_action_links_{$plugin_file}", $action_links, $plugin_file, null, 'all' );
-			$action_links           = array_filter( $action_links );
-			$formatted_action_links = null;
-			if ( ! empty( $action_links ) && count( $action_links ) > 0 ) {
-				$dom_doc = new DOMDocument();
-				foreach ( $action_links as $action_link ) {
-					// The @ is not enough to suppress errors when dealing with libxml,
-					// we have to tell it directly how we want to handle errors.
-					libxml_use_internal_errors( true );
-					$dom_doc->loadHTML( mb_convert_encoding( $action_link, 'HTML-ENTITIES', 'UTF-8' ) );
-					libxml_use_internal_errors( false );
-
-					$link_elements = $dom_doc->getElementsByTagName( 'a' );
-					if ( $link_elements->length == 0 ) {
-						continue;
-					}
-
-					$link_element = $link_elements->item( 0 );
-					if ( $link_element->hasAttribute( 'href' ) && $link_element->nodeValue ) {
-						$link_url = trim( $link_element->getAttribute( 'href' ) );
-
-						// Add the full admin path to the url if the plugin did not provide it
-						$link_url_scheme = wp_parse_url( $link_url, PHP_URL_SCHEME );
-						if ( empty( $link_url_scheme ) ) {
-							$link_url = admin_url( $link_url );
-						}
-
-						$formatted_action_links[ $link_element->nodeValue ] = $link_url;
-					}
-				}
-			}
-			if ( $formatted_action_links ) {
-				$plugins_action_links[ $plugin_file ] = $formatted_action_links;
-			}
-		}
-		// Cache things for a long time
-		set_transient( 'jetpack_plugin_api_action_links_refresh', time(), DAY_IN_SECONDS );
-		update_option( 'jetpack_plugin_api_action_links', $plugins_action_links );
-	}
-
-	public function should_send_callable( $callable_checksums, $name, $checksum ) {
-		$idc_override_callables = array(
-			'main_network_site',
-			'home_url',
-			'site_url',
-		);
-		if ( in_array( $name, $idc_override_callables ) && Jetpack_Options::get_option( 'migrate_for_idc' ) ) {
-			return true;
-		}
-
-		return ! $this->still_valid_checksum( $callable_checksums, $name, $checksum );
-	}
-
-	public function maybe_sync_callables() {
-		if ( ! apply_filters( 'jetpack_check_and_send_callables', false ) ) {
-			if ( ! is_admin() || Jetpack_Sync_Settings::is_doing_cron() ) {
-				return;
-			}
-
-			if ( get_transient( self::CALLABLES_AWAIT_TRANSIENT_NAME ) ) {
-				return;
-			}
-		}
-
-		set_transient( self::CALLABLES_AWAIT_TRANSIENT_NAME, microtime( true ), Jetpack_Sync_Defaults::$default_sync_callables_wait_time );
-
-		$callables = $this->get_all_callables();
-
-		if ( empty( $callables ) ) {
-			return;
-		}
-
-		$callable_checksums = (array) Jetpack_Options::get_raw_option( self::CALLABLES_CHECKSUM_OPTION_NAME, array() );
-
-		// only send the callables that have changed
-		foreach ( $callables as $name => $value ) {
-			$checksum = $this->get_check_sum( $value );
-			// explicitly not using Identical comparison as get_option returns a string
-			if ( ! is_null( $value ) && $this->should_send_callable( $callable_checksums, $name, $checksum ) ) {
-				/**
-				 * Tells the client to sync a callable (aka function) to the server
-				 *
-				 * @since 4.2.0
-				 *
-				 * @param string The name of the callable
-				 * @param mixed The value of the callable
-				 */
-				do_action( 'jetpack_sync_callable', $name, $value );
-				$callable_checksums[ $name ] = $checksum;
-			} else {
-				$callable_checksums[ $name ] = $checksum;
-			}
-		}
-		Jetpack_Options::update_raw_option( self::CALLABLES_CHECKSUM_OPTION_NAME, $callable_checksums );
-	}
-
-	public function expand_callables( $args ) {
-		if ( $args[0] ) {
-			$callables           = $this->get_all_callables();
-			$callables_checksums = array();
-			foreach ( $callables as $name => $value ) {
-				$callables_checksums[ $name ] = $this->get_check_sum( $value );
-			}
-			Jetpack_Options::update_raw_option( self::CALLABLES_CHECKSUM_OPTION_NAME, $callables_checksums );
-			return $callables;
-		}
-
-		return $args;
-	}
-}