<?php

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/**

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* Compatibility functions for the Jetpack Boost plugin.

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* https://wordpress.org/plugins/jetpack-boost/

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*

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* @since 10.4

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*

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* @package automattic/jetpack

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*/

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namespace Automattic\Jetpack\Jetpack_Boost;

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use Automattic\Jetpack\Plugins_Installer;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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const PLUGIN_SLUG = 'jetpack-boost';

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const PLUGIN_FILE = 'jetpack-boost/jetpack-boost.php';

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if ( isset( $_GET['jetpack-boost-install-error'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended

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add_action( 'admin_notices', __NAMESPACE__ . '\error_notice' );

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}

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if ( isset( $_GET['jetpack-boost-action'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended

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add_action( 'admin_init', __NAMESPACE__ . '\try_install' );

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}

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/**

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* Verify the intent to install Jetpack Boost, and kick off installation.

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*

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* This works in tandem with a JITM set up in the JITM package.

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*/

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function try_install() {

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if ( ! isset( $_GET['jetpack-boost-action'] ) ) {

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return;

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}

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check_admin_referer( 'jetpack-boost-install' );

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$result = false;

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// If the plugin install fails, redirect to plugin install page pre-populated with jetpack-boost search term.

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$redirect_on_error = admin_url( 'plugin-install.php?s=jetpack-boost&tab=search&type=term' );

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// Attempt to install and activate the plugin.

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if ( current_user_can( 'activate_plugins' ) ) {

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switch ( $_GET['jetpack-boost-action'] ) {

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case 'install':

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$result = install_and_activate();

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break;

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case 'activate':

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$result = activate();

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break;

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}

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}

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if ( $result ) {

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/** This action is already documented in _inc/lib/class.core-rest-api-endpoints.php */

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do_action( 'jetpack_activated_plugin', PLUGIN_FILE, 'jitm' );

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$redirect = admin_url( 'admin.php?page=jetpack-boost' );

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} else {

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$redirect = add_query_arg( 'jetpack-boost-install-error', true, $redirect_on_error );

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}

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wp_safe_redirect( $redirect );

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exit( 0 );

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}

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/**

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* Install and activate the Jetpack Boost plugin.

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*

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* @return bool result of installation

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*/

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function install_and_activate() {

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$result = Plugins_Installer::install_and_activate_plugin( PLUGIN_SLUG );

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if ( is_wp_error( $result ) ) {

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return false;

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} else {

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return true;

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}

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}

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/**

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* Activate the Jetpack Boost plugin.

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*

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* @return bool result of activation

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*/

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function activate() {

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$result = activate_plugin( PLUGIN_FILE );

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// Activate_plugin() returns null on success.

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return $result === null;

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}

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/**

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* Notify the user that the installation of Jetpack Boost failed.

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*/

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function error_notice() {

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if ( empty( $_GET['jetpack-boost-install-error'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended

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return;

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}

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wp_admin_notice(

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esc_html__( 'There was an error installing Jetpack Boost. Please try again.', 'jetpack' ),

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array(

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'type' => 'error',

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'dismissible' => true,

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)

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);

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}

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