'activate_license', 'license' => $license, 'item_name' => urlencode( 'Coupon Manager' ), 'url' => home_url() ); // Call the custom API. $response = wp_remote_post( EDD_STORE_URL, array( 'timeout' => 15, 'sslverify' => false, 'body' => $api_params ) ); // 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 { $message = __( 'An error occurred, please try again.' ); } } else { $license_data = json_decode( wp_remote_retrieve_body( $response ) ); if ( false === $license_data->success ) { switch( $license_data->error ) { case 'expired' : $message = sprintf( __( 'Your license key expired on %s.' ), date_i18n( get_option( 'date_format' ), strtotime( $license_data->expires, current_time( 'timestamp' ) ) ) ); break; case 'disabled' : case 'revoked' : $message = __( 'Your license key has been disabled.' ); break; case 'missing' : $message = __( 'Invalid license.' ); break; case 'invalid' : case 'site_inactive' : $message = __( 'Your license is not active for this URL.' ); break; case 'item_name_mismatch' : $message = sprintf( __( 'This appears to be an invalid license key for %s.' ), 'WP Domain Auctions' ); break; case 'no_activations_left': $message = __( 'Your license key has reached its activation limit.' ); break; default : $message = __( 'An error occurred, please try again.' ); break; } } } // Check if anything passed on a message constituting a failure if ( ! empty( $message ) ) { $base_url = admin_url( 'admin.php?page=' . EDD_PLUGIN_LICENSE_PAGE ); $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( 'edd_license_status', $license_data->license ); wp_redirect( admin_url( 'admin.php?page=' . EDD_PLUGIN_LICENSE_PAGE ) ); exit(); } } add_action('admin_init', 'edd_activate_license'); function edd_deactivate_license() { // listen for our activate button to be clicked if( isset( $_POST['edd_license_deactivate'] ) ) { // run a quick security check if( ! check_admin_referer( 'edd_nonce', 'edd_nonce' ) ) return; // get out if we didn't click the Activate button // retrieve the license from the database $license = trim( get_option( 'edd_license_key' ) ); // data to send in our API request $api_params = array( 'edd_action' => 'deactivate_license', 'license' => $license, 'item_name' => urlencode( 'Coupon Manager' ), 'url' => home_url() ); // Call the custom API. $response = wp_remote_post( EDD_STORE_URL, array( 'timeout' => 15, 'sslverify' => false, 'body' => $api_params ) ); // 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 { $message = __( 'An error occurred, please try again.' ); } $base_url = admin_url( 'admin.php?page=' . EDD_PLUGIN_LICENSE_PAGE ); $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( $license_data->license == 'deactivated' ) { delete_option( 'edd_license_status' ); }elseif($license_data->license == 'failed'){ delete_option( 'edd_license_status' ); } $base_url = admin_url( 'admin.php?page=' . EDD_PLUGIN_LICENSE_PAGE ); $redirect = add_query_arg( array( 'sl_activation' => 'false', 'message' => urlencode( "License Deactivated" ) ), $base_url ); wp_redirect( $redirect ); exit(); } } add_action('admin_init', 'edd_deactivate_license'); function edd_check_license() { global $wp_version; $license = trim( get_option( 'edd_license_key' ) ); $api_params = array( 'edd_action' => 'check_license', 'license' => $license, 'item_name' => urlencode( 'WP Domain Auctions' ), 'url' => home_url() ); // Call the custom API. $response = wp_remote_post( EDD_STORE_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' ) { echo 'valid'; exit; // this license is still valid } else { echo 'invalid'; exit; // this license is no longer valid } } /** * This is a means of catching errors from the activation method above and displaying it to the customer */ function edd_admin_notices() { if ( isset( $_GET['sl_activation'] ) && ! empty( $_GET['message'] ) ) { switch( $_GET['sl_activation'] ) { case 'false': $message = urldecode( $_GET['message'] ); ?>