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<?php
use PowerpackElements\Classes\PP_Admin_Settings;
// this is the URL our updater / license checker pings. This should be the URL of the site with EDD installed
define( 'POWERPACK_SL_URL', 'https://powerpackelements.com' ); // you should use your own CONSTANT name, and be sure to replace it throughout this file
// the name of your product. This should match the download name in EDD exactly
define( 'POWERPACK_ITEM_NAME', 'PowerPack Pro for Elementor' ); // you should use your own CONSTANT name, and be sure to replace it throughout this file
// the name of the settings page for the license input to be displayed
define( 'POWERPACK_LICENSE_PAGE', 'powerpack-settings' );
if ( ! class_exists( 'PP_SL_Plugin_Updater' ) ) {
// load our custom updater
include dirname( __FILE__ ) . '/class-pp-plugin-updater.php';
}
function pp_get_license_key() {
return defined( 'PP_ELEMENTS_LICENSE_KEY' ) ? PP_ELEMENTS_LICENSE_KEY : trim( get_option( 'pp_license_key' ) );
}
function pp_plugin_updater() {
// retrieve our license key from the DB
$license_key = pp_get_license_key();
// setup the updater
$updater = new PP_SL_Plugin_Updater( POWERPACK_SL_URL, POWERPACK_ELEMENTS_PATH . '/powerpack-elements.php',
array(
'version' => POWERPACK_ELEMENTS_VER, // current version number
'license' => $license_key, // license key
'item_name' => POWERPACK_ITEM_NAME, // name of this plugin
'author' => 'IdeaBox Creations', // author of this plugin
'beta' => false,
)
);
}
add_action( 'admin_init', 'pp_plugin_updater', 0 );
function pp_sanitize_license( $new ) {
$old = pp_get_license_key();
if ( $old && $old != $new ) {
delete_option( 'pp_license_status' ); // new license has been entered, so must reactivate
}
return $new;
}
function pp_do_license_action( $action ) {
if ( ! in_array( $action, array( 'activate_license', 'deactivate_license' ) ) ) {
return;
}
// retrieve the license.
$license = pp_get_license_key();
// data to send in our API request
$api_params = array(
'edd_action' => $action,
'license' => $license,
'item_name' => urlencode( POWERPACK_ITEM_NAME ), // the name of our product in EDD
'url' => network_home_url(),
);
// Call the custom API.
$response = wp_remote_post(
POWERPACK_SL_URL,
array(
'timeout' => 15,
'sslverify' => apply_filters( 'ppe_https_ssl_verify', false ),
'body' => $api_params,
)
);
return $response;
}
function pp_activate_license() {
// listen for our activate button to be clicked
if ( ! isset( $_POST['pp_license_activate'] ) ) {
return;
}
// run a quick security check
if ( ! check_admin_referer( 'pp_license_activate_nonce', 'pp_license_activate_nonce' ) ) {
return; // get out if we didn't click the Activate button
}
// Call the custom API.
$response = pp_do_license_action( 'activate_license' );
// make sure the response came back okay
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
if ( is_wp_error( $response ) ) {
$message = $response->get_error_message();
} else {
$code = wp_remote_retrieve_response_code( $response );
$response_msg = wp_remote_retrieve_response_message( $response );
if ( 403 === $code ) {
$message = __( 'An error occurred while activating license. The request is getting blocked by a security plugin or security settings on server.', 'powerpack' );
} else {
$message = sprintf( __( 'An error occurred, please try again. Status: %1$s %2$s', 'powerpack' ), $code, $response_msg );
}
}
} else {
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
if ( false === $license_data->success ) {
$message = pp_get_license_error( $license_data );
}
}
// Check if anything passed on a message constituting a failure
if ( ! empty( $message ) ) {
$base_url = PP_Admin_Settings::get_form_action();
$redirect = add_query_arg( array(
'sl_activation' => 'false',
'message' => urlencode( $message ),
), $base_url );
wp_redirect( $redirect );
exit();
}
// $license_data->license will be either "valid" or "invalid"
update_option( 'pp_license_status', $license_data->license );
wp_redirect( PP_Admin_Settings::get_form_action() );
exit();
}
add_action( 'admin_init', 'pp_activate_license' );
function pp_deactivate_license() {
// listen for our activate button to be clicked
if ( ! isset( $_POST['pp_license_deactivate'] ) ) {
return;
}
// run a quick security check
if ( ! check_admin_referer( 'pp_license_deactivate_nonce', 'pp_license_deactivate_nonce' ) ) {
return; // get out if we didn't click the Deactivate button
}
// Call the custom API.
$response = pp_do_license_action( 'deactivate_license' );
// make sure the response came back okay
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
if ( is_wp_error( $response ) ) {
$message = $response->get_error_message();
} else {
$code = wp_remote_retrieve_response_code( $response );
$response_msg = wp_remote_retrieve_response_message( $response );
if ( 403 === $code ) {
$message = __( 'An error occurred while deactivating license. The request is getting blocked by a security plugin or security settings on server.', 'powerpack' );
} else {
$message = sprintf( __( 'An error occurred, please try again. Status: %1$s %2$s', 'powerpack' ), $code, $response_msg );
}
}
$base_url = PP_Admin_Settings::get_form_action();
$redirect = add_query_arg( array(
'sl_activation' => 'false',
'message' => urlencode( $message ),
), $base_url );
wp_redirect( $redirect );
exit();
}
// decode the license data
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "deactivated" or "failed"
if ( $license_data->license == 'deactivated' ) {
delete_option( 'pp_license_status' );
}
wp_redirect( PP_Admin_Settings::get_form_action( '&sl_status=' . $license_data->license ) );
exit();
}
add_action( 'admin_init', 'pp_deactivate_license' );
/************************************
* this illustrates how to check if
* a license key is still valid
* the updater does this for you,
* so this is only needed if you
* want to do something custom
*************************************/
function pp_check_license() {
global $wp_version;
$license = pp_get_license_key();
$api_params = array(
'edd_action' => 'check_license',
'license' => $license,
'item_name' => urlencode( POWERPACK_ITEM_NAME ),
'url' => home_url(),
);
// Call the custom API.
$response = wp_remote_post( POWERPACK_SL_URL, array(
'timeout' => 15,
'sslverify' => false,
'body' => $api_params,
) );
if ( is_wp_error( $response ) ) {
return false;
}
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// if ( $license_data->license !== 'valid' ) {
// // this license is no longer valid
// // delete license status.
// if ( in_array( $license_data->license, array( 'deactivated', 'inactive', 'site_inactive' ) ) ) {
// delete_option( 'pp_license_status' );
// } else {
// update_option( 'pp_license_status', $license_data->license );
// }
// }
return $license_data;
}
/**
* Show update message on plugins page
*/
function pp_in_plugin_update_message( $plugin_data, $response ) {
$data = pp_check_license();
if ( 'valid' !== $data->license ) {
?>
<style>
tr[data-plugin="<?php echo POWERPACK_ELEMENTS_BASE; ?>"] .update-message {
padding: 0;
}
tr[data-plugin="<?php echo POWERPACK_ELEMENTS_BASE; ?>"] .update-message p:first-of-type {
border-bottom: 1px solid #ffb922;
padding-bottom: 8px;
padding-left: 12px;
}
tr[data-plugin="<?php echo POWERPACK_ELEMENTS_BASE; ?>"] .pp-update-message {
padding: 5px 15px;
}
tr[data-plugin="<?php echo POWERPACK_ELEMENTS_BASE; ?>"] .pp-update-message:before {
display: none !important;
}
tr[data-plugin="<?php echo POWERPACK_ELEMENTS_BASE; ?>"] .pp-update-message + p:empty{
display: none;
}
tr[data-plugin="<?php echo POWERPACK_ELEMENTS_BASE; ?>"] .pp-buy-button {
text-decoration: none;
font-weight: bold;
}
</style>
<?php
$main_msg = sprintf( __( 'Please activate the license to enable automatic updates for this plugin. License status: %s', 'powerpack' ), $data->license );
$message = '';
$message .= '<p class="pp-update-message">';
$message .= __( '<strong>UPDATE UNAVAILABLE!</strong>', 'powerpack' );
$message .= ' ';
$message .= $main_msg;
$message .= ' <a href="' . POWERPACK_SL_URL . '" class="pp-buy-button" target="_blank">';
$message .= __( 'Buy Now', 'powerpack' );
$message .= ' »</a>';
$message .= '</p>';
echo $message;
}
}
add_action( 'in_plugin_update_message-' . POWERPACK_ELEMENTS_BASE, 'pp_in_plugin_update_message', 1, 2 );
function pp_get_license_error( $license_data ) {
$message = '';
switch ( $license_data->error ) {
case 'expired':
$message = sprintf(
__( 'Your license key expired on %s.', 'powerpack' ),
date_i18n( get_site_option( 'date_format' ), strtotime( $license_data->expires, current_time( 'timestamp' ) ) )
);
break;
case 'revoked':
$message = __( 'Your license key has been disabled.', 'powerpack' );
break;
case 'missing':
$message = __( 'Invalid license.', 'powerpack' );
break;
case 'invalid':
case 'site_inactive':
$message = __( 'Your license is not active for this URL.', 'powerpack' );
break;
case 'item_name_mismatch':
$message = sprintf( __( 'This appears to be an invalid license key for %s.', 'powerpack' ), POWERPACK_ITEM_NAME );
break;
case 'no_activations_left':
$message = __( 'Your license key has reached its activation limit.', 'powerpack' );
break;
default:
$message = sprintf( __( 'An error occurred, please try again. Status: %s', 'powerpack' ), $license_data->error );
break;
}
return $message;
}
/**
* This is a means of catching errors from the activation method above and displaying it to the customer
*/
function pp_admin_notices() {
$start_el = '<div class="notice error" style="background: #fbfbfb; border-top: 1px solid #eee; border-right: 1px solid #eee;"><p>';
$end_el = '</p></div>';
if ( isset( $_GET['sl_activation'] ) && ! empty( $_GET['message'] ) ) {
switch ( $_GET['sl_activation'] ) {
case 'false':
$message = urldecode( $_GET['message'] );
echo $start_el;
echo $message;
echo $end_el;
break;
case 'true':
default:
break;
}
}
if ( current_user_can( 'update_plugins' ) ) {
$license_data = get_transient( 'powerpack_elements_license_data' );
if ( ! $license_data ) {
$license_data = pp_check_license();
set_transient( 'powerpack_elements_license_data', $license_data, 12 * HOUR_IN_SECONDS );
}
if ( is_object( $license_data ) && 'expired' === $license_data->license ) {
$settings = PP_Admin_Settings::get_settings();
$admin_label = PP_Admin_Settings::get_admin_label();
if ( 'off' === $settings['hide_wl_settings'] && 'off' === $settings['hide_plugin'] ) {
echo $start_el;
echo $admin_label . ': ' . pp_get_license_error( $license_data );
echo $end_el;
}
}
}
}
add_action( 'admin_notices', 'pp_admin_notices', 10 );