init

wp-content/plugins/jetpack/3rd-party/jetpack-boost.php

@@ -0,0 +1,112 @@
+<?php
+/**
+ * Compatibility functions for the Jetpack Boost plugin.
+ * https://wordpress.org/plugins/jetpack-boost/
+ *
+ * @since 10.4
+ *
+ * @package automattic/jetpack
+ */
+
+namespace Automattic\Jetpack\Jetpack_Boost;
+
+use Automattic\Jetpack\Plugins_Installer;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit( 0 );
+}
+
+const PLUGIN_SLUG = 'jetpack-boost';
+const PLUGIN_FILE = 'jetpack-boost/jetpack-boost.php';
+
+if ( isset( $_GET['jetpack-boost-install-error'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+	add_action( 'admin_notices', __NAMESPACE__ . '\error_notice' );
+}
+
+if ( isset( $_GET['jetpack-boost-action'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+	add_action( 'admin_init', __NAMESPACE__ . '\try_install' );
+}
+
+/**
+ * Verify the intent to install Jetpack Boost, and kick off installation.
+ *
+ * This works in tandem with a JITM set up in the JITM package.
+ */
+function try_install() {
+	if ( ! isset( $_GET['jetpack-boost-action'] ) ) {
+		return;
+	}
+
+	check_admin_referer( 'jetpack-boost-install' );
+
+	$result = false;
+	// If the plugin install fails, redirect to plugin install page pre-populated with jetpack-boost search term.
+	$redirect_on_error = admin_url( 'plugin-install.php?s=jetpack-boost&tab=search&type=term' );
+
+	// Attempt to install and activate the plugin.
+	if ( current_user_can( 'activate_plugins' ) ) {
+		switch ( $_GET['jetpack-boost-action'] ) {
+			case 'install':
+				$result = install_and_activate();
+				break;
+			case 'activate':
+				$result = activate();
+				break;
+		}
+	}
+
+	if ( $result ) {
+		/** This action is already documented in _inc/lib/class.core-rest-api-endpoints.php */
+		do_action( 'jetpack_activated_plugin', PLUGIN_FILE, 'jitm' );
+		$redirect = admin_url( 'admin.php?page=jetpack-boost' );
+	} else {
+		$redirect = add_query_arg( 'jetpack-boost-install-error', true, $redirect_on_error );
+	}
+
+	wp_safe_redirect( $redirect );
+
+	exit( 0 );
+}
+
+/**
+ * Install and activate the Jetpack Boost plugin.
+ *
+ * @return bool result of installation
+ */
+function install_and_activate() {
+	$result = Plugins_Installer::install_and_activate_plugin( PLUGIN_SLUG );
+
+	if ( is_wp_error( $result ) ) {
+		return false;
+	} else {
+		return true;
+	}
+}
+
+/**
+ * Activate the Jetpack Boost plugin.
+ *
+ * @return bool result of activation
+ */
+function activate() {
+	$result = activate_plugin( PLUGIN_FILE );
+
+	// Activate_plugin() returns null on success.
+	return $result === null;
+}
+
+/**
+ * Notify the user that the installation of Jetpack Boost failed.
+ */
+function error_notice() {
+	if ( empty( $_GET['jetpack-boost-install-error'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+		return;
+	}
+	wp_admin_notice(
+		esc_html__( 'There was an error installing Jetpack Boost. Please try again.', 'jetpack' ),
+		array(
+			'type'        => 'error',
+			'dismissible' => true,
+		)
+	);
+}