Your IP : 216.73.216.164
<?php
namespace Codexpert\Plugin;
/**
* if accessed directly, exit.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* @package Plugin
* @subpackage License
* @author Codexpert <hi@codexpert.io>
*/
class License {
public $slug;
public $plugin;
public $name;
public $license_page;
/**
* Is it in the validating state?
*/
public $validating = false;
public function __construct( $plugin ) {
$this->plugin = $plugin;
$this->server = untrailingslashit( $this->plugin['server'] );
$this->slug = $this->plugin['TextDomain'];
$this->name = $this->plugin['Name'];
$this->license_page = isset( $this->plugin['license_page'] ) ? $this->plugin['license_page'] : admin_url( "admin.php?page={$this->slug}" );
if( isset( $this->plugin['updatable'] ) && $this->plugin['updatable'] ) {
$this->plugin['license'] = $this;
$update = new Update( $this->plugin );
}
self::hooks();
}
public function hooks() {
register_activation_hook( __FILE__, [ $this, 'install' ] );
add_action( 'codexpert-daily', [ $this, 'validate' ] );
add_action( 'admin_init', [ $this, 'init' ] );
add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_scripts' ], 99 );
add_action( 'plugins_loaded', [ $this, 'gather_notices' ] );
add_action( 'rest_api_init', [ $this, 'register_endpoints' ] );
}
/**
* Installer. Runs once when the plugin in activated.
*
* @since 1.0
*/
public function install() {
/**
* Schedule an event to sync help docs
*/
if ( ! wp_next_scheduled ( 'codexpert-daily' )) {
wp_schedule_event( time(), 'daily', 'codexpert-daily' );
}
}
public function validate() {
if( $this->_is_activated() ) {
/**
* It's in the validating state
*/
$this->validating = true;
$validation = $this->do( 'check', $this->get_license_key(), $this->name ) ;
if( $validation['status'] != true ) {
update_option( $this->get_license_status_name(), 'invalid' );
}
else {
update_option( $this->get_license_status_name(), 'valid' );
update_option( $this->get_license_expiry_name(), ( $validation['data']->expires == 'lifetime' ? 4765132799 : strtotime( $validation['data']->expires ) ) );
}
}
}
public function init() {
if( !isset( $_GET['pb-license'] ) ) return;
if( $_GET['pb-license'] == 'deactivate' ) {
if( ! wp_verify_nonce( $_GET['pb-nonce'], 'codexpert' ) ) {
// print an error message. maybe store in a temporary session and print later?
}
else {
$this->do( 'deactivate', $this->get_license_key(), $this->name );
}
}
elseif( $_GET['pb-license'] == 'activate' ) {
if( ! wp_verify_nonce( $_GET['pb-nonce'], 'codexpert' ) || $_GET['key'] == '' ) {
// print an error message. maybe store in a temporary session and print later?
}
else {
$this->do( 'activate', $_GET['key'], $this->name );
}
}
$query = isset( $_GET ) ? $_GET : [];
unset( $query['pb-license'] );
unset( $query['pb-nonce'] );
unset( $query['key'] );
wp_redirect( $this->license_page );
}
public function enqueue_scripts() {
wp_enqueue_style( 'codexpert-product-license', plugins_url( 'assets/css/license.css', __FILE__ ), [], $this->plugin['Version'] );
}
public function gather_notices() {
if( did_action( "_license_{$this->slug}_notice" ) ) return;
do_action( "_license_{$this->slug}_notice" );
global $cx_notices;
// not activated
if( ! $this->_is_activated() ) {
$notice = '<h3>' . sprintf( __( 'Alert: Please activate your license for <strong>%s</strong>.', 'codexpert' ), $this->name ) . '</h3>';
$notice .= '<p>' . sprintf( __( 'In order to enjoy the features of <strong>%s</strong>, you need to activate the license first. Sorry, but the plugin won\'t work without activation!', 'codexpert' ), $this->name ) . '</p>';
$notice .= '<p><a href="' . $this->get_activation_url() . '" class="button button-primary">' . __( 'Activate License', 'codexpert' ) . '</a></p>';
Notice::add( $notice );
}
// about to expire?
if( $this->_is_activated() && ( time() + apply_filters( 'codexpert-expiry-notice-time', MONTH_IN_SECONDS, $this ) ) > ( $expiry = get_option( $this->get_license_expiry_name() ) ) && time() < $expiry ) {
$notice = '<h3>' . sprintf( __( 'Attention: %s is expiring..', 'codexpert' ), $this->name ) . '</h3>';
$notice .= '<p>' . sprintf( __( 'Your license for <strong>%1$s</strong> is about to expire in <strong>%2$s</strong>. The plugin will stop working without a valid license key. Renew your license now and get a special <strong>%3$s discount</strong>. Offer ends soon!', 'codexpert' ), $this->name, human_time_diff( $expiry, time() ), '25%' ) . '</p>';
$notice .= '<p><a href="' . $this->get_renewal_url() . '" class="button button-primary" target="_blank">' . __( 'Renew it now', 'codexpert' ) . '</a></p>';
Notice::add( $notice, 'error', true );
}
// expired to invalid license?
if( $this->_is_activated() && ( $this->_is_invalid() || $this->_is_expired() ) && apply_filters( 'codexpert-show_validation_notice', true, $this->plugin ) ) {
$notice = '<h3>' . sprintf( __( 'Warning: %s cannot connect to the server!', 'codexpert' ), $this->name ) . '</h3>';
$notice .= '<p>' . sprintf( __( 'It looks like <strong>%1$s</strong> can\'t connect to our server and is unable to receive updates! The plugin might stop working if it\'s not connected.', 'codexpert' ), $this->name ) . '</p>';
$notice .= '<p><a href="' . $this->get_deactivation_url() . '" class="button button-primary">' . __( 'Reconnect now', 'codexpert' ) . '</a></p>';
Notice::add( $notice, 'warning' );
}
}
public function activation_form() {
$html = '';
if( ! $this->_is_activated() ) {
$activation_url = $this->get_activation_url();
$activate_label = apply_filters( "{$this->slug}_activate_label", __( 'Activate', 'codexpert' ), $this->plugin );
$html .= '<p class="cx-desc">' . sprintf( __( 'Thanks for installing <strong>%1$s</strong> 👋', 'codexpert' ), $this->name ) . '</p>';
$html .= '<p class="cx-desc">' . __( 'In order to make the plugin work, you need to activate the license by clicking the button below. Please reach out to us if you need any help.', 'codexpert' ) . '</p>';
$html .= "<a id='cx-activate' class='cx-button button button-primary' href='{$activation_url}'>" . $activate_label . "</a>";
}
else {
$deactivation_url = $this->get_deactivation_url();
$deactivate_label = apply_filters( "{$this->slug}_deactivate_label", __( 'Deactivate', 'codexpert' ), $this->plugin );
$license_meta = get_option( $this->get_license_meta_name() );
$html .= '<p class="cx-desc">' . sprintf( __( 'Congratulations! Your license for <strong>%s</strong> is activated. 🎉', 'codexpert' ), $this->name ) . '</p>';
if( isset( $license_meta->customer_name ) ) {
$html .= '<p class="cx-info">' . sprintf( __( 'Name: %s', 'codexpert' ), $license_meta->customer_name ) . '</p>';
}
if( isset( $license_meta->customer_email ) ) {
$html .= '<p class="cx-info">' . sprintf( __( 'Email: %s', 'codexpert' ), $license_meta->customer_email ) . '</p>';
}
if( isset( $license_meta->payment_id ) ) {
$html .= '<p class="cx-info">' . sprintf( __( 'Order ID: %s', 'codexpert' ), $license_meta->payment_id ) . '</p>';
}
$html .= '<p class="cx-info">' . sprintf( __( 'Expiry: %s', 'codexpert' ), $this->get_license_expiry() ) . '</p>';
$html .= '<p class="cx-info">' . __( 'You can deactivate the license by clicking the button below.', 'codexpert' ) . '</p>';
$html .= "<a id='cx-deactivate' class='cx-button button button-secondary' href='{$deactivation_url}'>" . $deactivate_label . "</a>";
}
return apply_filters( "{$this->slug}_activation_form", $html, $this->plugin );
}
// backward compatibility
public function activator_form() {
return $this->activation_form();
}
public function register_endpoints() {
register_rest_route( 'codexpert', 'license', [
'methods' => 'GET',
'callback' => [ $this, 'callback_action' ],
'permission_callback' => '__return_true'
] );
}
public function callback_action( $request ) {
add_filter( 'codexpert-is_forced', '__return_true' );
$parameters = $request->get_params();
return $this->do( $parameters['action'], $parameters['license_key'], $parameters['item_name'] );
}
/**
* Perform an action
*
* @param string $action activate|deactivate|check
* @param string $item_name the plugin name
*/
public function do( $action, $license, $item_name ) {
if( did_action( "_{$this->slug}_did_license_action" ) && $this->validating !== true ) return;
do_action( "_{$this->slug}_did_license_action" );
$_response = [
'status' => false,
'message' => __( 'Something is wrong', 'codexpert' ),
'data' => []
];
// data to send in our API request
$api_params = [
'edd_action' => "{$action}_license",
'license' => $license,
'item_name' => urlencode( $item_name ),
'url' => home_url()
];
$response = wp_remote_post( $this->server, [ 'timeout' => 15, 'sslverify' => false, 'body' => $api_params ] );
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// make sure the response came back okay
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
$_response['message'] = is_wp_error( $response ) ? $response->get_error_message() : __( 'An error occurred, please try again.', 'codexpert' );
}
// it's an activation request
elseif( $action == 'activate' ) {
// license key is not OK?
if ( false === $license_data->success ) {
switch( $license_data->error ) {
case 'expired' :
$_response['message'] = sprintf(
__( 'Your license key expired on %s.', 'codexpert' ),
date_i18n( get_option( 'date_format' ), strtotime( $license_data->expires, current_time( 'timestamp' ) ) )
);
break;
case 'disabled' :
case 'revoked' :
$_response['message'] = __( 'Your license key has been disabled.', 'codexpert' );
break;
case 'missing' :
$_response['message'] = __( 'Invalid license.', 'codexpert' );
break;
case 'invalid' :
case 'site_inactive' :
$_response['message'] = __( 'Your license is not active for this URL.', 'codexpert' );
break;
case 'item_name_mismatch' :
$_response['message'] = sprintf( __( 'This appears to be an invalid license key for %s.', 'codexpert' ), $item_name );
break;
case 'no_activations_left':
$_response['message'] = __( 'Your license key has reached its activation limit.', 'codexpert' );
break;
default :
$_response['message'] = __( 'An error occurred, please try again.', 'codexpert' );
break;
}
}
// license key is OK
else {
update_option( $this->get_license_key_name(), $license );
update_option( $this->get_license_status_name(), $license_data->license );
update_option( $this->get_license_expiry_name(), ( $license_data->expires == 'lifetime' ? 4765132799 : strtotime( $license_data->expires ) ) );
update_option( $this->get_license_meta_name(), $license_data );
$_response['status'] = $license_data;
$_response['message'] = __( 'License activated', 'codexpert' );
}
}
// it's a deactivation request
elseif( $action == 'deactivate' ) {
if( ( isset( $license_data->license ) && $license_data->license == 'deactivated' ) || $this->_is_forced() ) { // "deactivated" or "failed"
delete_option( $this->get_license_key_name() );
delete_option( $this->get_license_status_name() );
delete_option( $this->get_license_expiry_name() );
delete_option( $this->get_license_meta_name() );
$_response['status'] = true;
$_response['message'] = __( 'License deactivated', 'codexpert' );
}
}
// it's a verification request
elseif( $action == 'check' ) {
if( isset( $license_data->license ) && $license_data->license == 'valid' ) {
$_response['status'] = true;
$_response['message'] = __( 'License valid', 'codexpert' );
$_response['data'] = $license_data;
update_option( $this->get_license_meta_name(), $license_data );
} else {
$_response['status'] = false;
$_response['message'] = __( 'License invalid', 'codexpert' );
}
}
return $_response;
}
public function get_activation_url() {
$query = isset( $_GET ) ? $_GET : [];
$query['pb-nonce'] = wp_create_nonce( 'codexpert' );
$activation_url = add_query_arg( [
'item_id' => $this->plugin['item_id'],
'pb-nonce' => wp_create_nonce( 'codexpert' ),
'track' => base64_encode( $this->license_page )
], trailingslashit( $this->get_activation_page() ) );
return apply_filters( 'codexpert-activation_url', $activation_url, $this->plugin );
}
public function get_deactivation_url() {
$query = isset( $_GET ) ? $_GET : [];
$query['pb-nonce'] = wp_create_nonce( 'codexpert' );
$query['pb-license'] = 'deactivate';
$deactivation_url = add_query_arg( $query, $this->license_page );
return apply_filters( 'codexpert-deactivation_url', $deactivation_url, $this->plugin );
}
public function get_renewal_url() {
$query = [
'edd_license_key' => $this->get_license_key(),
'download_id' => $this->plugin['item_id'],
];
$renewal_url = add_query_arg( $query, trailingslashit( $this->server ) . 'order' );
return apply_filters( 'codexpert-renewal_url', $renewal_url, $this->plugin );
}
public function get_activation_page() {
return apply_filters( 'codexpert-activation_page', "{$this->server}/connect", $this->plugin );
}
// option_key in the wp_options table
public function get_license_key_name() {
return "_license_{$this->slug}_key";
}
// option_key in the wp_options table
public function get_license_status_name() {
return "_license_{$this->slug}_status";
}
// option_key in the wp_options table
public function get_license_expiry_name() {
return "_license_{$this->slug}_expiry";
}
// option_key in the wp_options table
public function get_license_meta_name() {
return "_license_{$this->slug}_meta";
}
public function get_license_key() {
return get_option( $this->get_license_key_name() );
}
public function get_license_status() {
return get_option( $this->get_license_status_name() );
}
public function get_license_expiry() {
$expiry = get_option( $this->get_license_expiry_name() );
if( $expiry == 4765132799 ) return 'lifetime';
return date_i18n( get_option( 'date_format' ), $expiry );
}
public function _is_activated() {
return $this->get_license_key() != '';
}
// backward compatibility
public function _is_active() {
return $this->_is_activated();
}
public function _is_invalid() {
return $this->get_license_status() != 'valid';
}
public function _is_expired() {
return time() >= get_option( $this->get_license_expiry_name() );
}
public function _is_forced() {
return apply_filters( 'codexpert-is_forced', ( $this->_is_invalid() || $this->_is_expired() ), $this->plugin );
}
}