* Compatibility functions for the Creative Mail plugin.
* https://wordpress.org/plugins/creative-mail-by-constant-contact/
* @package automattic/jetpack
namespace Automattic\Jetpack\Creative_Mail;
use Automattic\Jetpack\Plugins_Installer;
if ( ! defined( 'ABSPATH' ) ) {
const PLUGIN_SLUG = 'creative-mail-by-constant-contact';
const PLUGIN_FILE = 'creative-mail-by-constant-contact/creative-mail-plugin.php';
add_action( 'jetpack_activated_plugin', __NAMESPACE__ . '\configure_plugin', 10, 2 );
// Check for the JITM action.
if ( isset( $_GET['creative-mail-action'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
add_action( 'admin_init', __NAMESPACE__ . '\try_install' );
if ( ! empty( $_GET['creative-mail-install-error'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
add_action( 'admin_notices', __NAMESPACE__ . '\error_notice' );
* Verify the intent to install Creative Mail, and kick off installation.
* This works in tandem with a JITM set up in the JITM package.
check_admin_referer( 'creative-mail-install' );
$redirect = admin_url( 'admin.php?page=jetpack-forms-admin' );
// Attempt to install and activate the plugin.
if ( current_user_can( 'activate_plugins' ) ) {
switch ( $_GET['creative-mail-action'] ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidated -- Function only hooked if set.
$result = install_and_activate();
/** 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=creativemail' );
$redirect = add_query_arg( 'creative-mail-install-error', true, $redirect );
wp_safe_redirect( $redirect );
* Install and activate the Creative Mail plugin.
* @return bool result of installation
function install_and_activate() {
$result = Plugins_Installer::install_and_activate_plugin( PLUGIN_SLUG );
if ( is_wp_error( $result ) ) {
* Activate the Creative Mail plugin.
* @return bool result of activation
$result = activate_plugin( PLUGIN_FILE );
// Activate_plugin() returns null on success.
* Notify the user that the installation of Creative Mail failed.
function error_notice() {
esc_html__( 'There was an error installing Creative Mail.', 'jetpack' ),
* Set some options when first activating the plugin via Jetpack.
* @param string $plugin_file Plugin file.
* @param string $source Where did the plugin installation originate.
function configure_plugin( $plugin_file, $source ) {
if ( PLUGIN_FILE !== $plugin_file ) {
'version' => JETPACK__VERSION,
'source' => esc_attr( $source ),
update_option( 'ce4wp_referred_by', $plugin_info );