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<?php namespace ElementorExtras; // Exit if accessed directly if ( ! defined( 'ABSPATH' ) ) exit; /** * Handles license input and validation / class Licensing { /* * @var string The license key for this installation / private $license_key; /* * The text domain of the plugin or theme using this class. * Populated in the class's constructor. * * @var String The text domain of the plugin / theme. / private $text_domain; /* * The name of the product using this class. Configured in the class's constructor. * * @var int The name of the product (plugin / theme) using this class. / private $product_name; // License Statuses const STATUS_VALID = 'valid'; const STATUS_INVALID = 'invalid'; const STATUS_EXPIRED = 'expired'; const STATUS_DEACTIVATED = 'deactivated'; const STATUS_SITE_INACTIVE = 'site_inactive'; const STATUS_DISABLED = 'disabled'; const STATUS_LIMIT = 'no_activations_left'; /* * Construct * * @since 0.1.0 / public function __construct( $product_id, $product_name, $text_domain ) { // Store setup data $this->text_domain = $text_domain; $this->product_name = $product_name; // Init $this->add_actions(); } /* * Adds actions required for class functionality * * @since 0.1.0 / public function add_actions() { if ( is_admin() ) { // Add the menu screen for inserting license information add_action( 'admin_menu', array( $this, 'add_license_settings_page' ), 201 ); add_action( 'admin_init', array( $this, 'register_license_settings' ) ); add_action( 'admin_post_elementor_extras_license_activate', array( $this, 'activate_license' ) ); add_action( 'admin_post_elementor_extras_license_deactivate', array( $this, 'deactivate_license' ) ); add_action( 'admin_notices', array( $this, 'admin_notices' ), 19 ); } } /* * Get status errors * Retrieves error messages data * * @since 2.1.0 * @return array / public static function get_status_errors() { return [ self::STATUS_EXPIRED => [ 'title' => __( 'Your License Has Expired', 'elementor-extras' ), 'message' => __( 'Seems that your license has expired.', 'elementor-extras' ), 'action' => __( '<a href="%s" target="_blank">Renew your license today</a> to keep getting updates and access to premium support.', 'elementor-extras' ), 'link' => 'https://shop.namogo.com/checkout/?edd_license_key=' . self::get_license_key() . '&download_id=19', 'label' => 'expired', 'dismissable' => [ 'key' => 'license-expired', 'duration' => 7, ], ], self::STATUS_DISABLED => [ 'title' => __( 'Your License Is Inactive', 'elementor-extras' ), 'message' => __( '<strong>Your license key has been cancelled</strong> (most likely due to a refund request). Please consider acquiring a new license.', 'elementor-extras' ), 'label' => 'disabled', 'dismissable' => [ 'key' => 'license-expired', 'duration' => 2, ], ], self::STATUS_INVALID => [ 'title' => __( 'Invalid License', 'elementor-extras' ), 'message' => __( '<strong>Your license key doesn\'t match the current domain</strong>..', 'elementor-extras' ), 'action' => __( 'Please check the license key you received after purchase and <a href="%s">re-activate it on this domain.</a>.', 'elementor-extras' ), 'link' => admin_url( 'admin.php?page=elementor_extras_license' ), 'label' => 'invalid', ], self::STATUS_SITE_INACTIVE => [ 'title' => __( 'License Mismatch', 'elementor-extras' ), 'message' => __( '<strong>Your license key doesn\'t seem to be active on this domain</strong>. This usually happens when moving the website from one domain to another, changing the website URL or migrating to HTTPS/SSL.', 'elementor-extras' ), 'action' => __( 'Please <a href="%s">re-activate your license</a>.', 'elementor-extras' ), 'link' => admin_url( 'admin.php?page=elementor_extras_license' ), 'label' => 'mismatch', ], self::STATUS_LIMIT => [ 'title' => __( 'Activation Limit Reached', 'elementor-extras' ), 'message' => __( '<strong>Unfortunately you don\'t have any more activations left.</strong> Login to your account to see on which sites the license is currently active.', 'elementor-extras' ), 'action' => __( '<a href="%s" target="_blank">Please upgrade your license.</a>', 'elementor-extras' ), 'link' => 'https://shop.namogo.com/account/license-keys/', 'label' => 'limit reached', ], ]; } /* * Get errors * * Retrieves errors and their corresponding bodies * * @since 2.1.0 * @return array * @access public / public function get_activation_errors() { return [ 'no_activations_left' => $this->get_error_body( self::STATUS_LIMIT ), 'expired' => $this->get_error_body( self::STATUS_EXPIRED ), 'missing' => $this->get_error_body( self::STATUS_INVALID ), 'revoked' => $this->get_error_body( self::STATUS_DISABLED ), 'disabled' => $this->get_error_body( self::STATUS_DISABLED ), 'key_mismatch' => $this->get_error_body( self::STATUS_SITE_INACTIVE ), ]; } /* * Build error message body string * * @since 2.1.0 * @return string * @access private / private function get_error_body( $key ) { $errors = ''; $message = $errors[ $key ][ 'message' ]; $body = $message; if ( ! empty( $errors[ $key ][ 'action' ] ) ) { if ( ! empty( $errors[ $key ][ 'link' ] ) ) { $body .= ' ' . sprintf( $errors[ $key ][ 'action' ], $errors[ $key ][ 'link' ] ); } else { $body .= ' ' . $errors[ $key ][ 'action' ]; } } return $body; } /* * Retrieve error message * Returns generic message if error index doesn't exist * * @since 2.1.0 * @return string * @access public / public function get_activation_error_message( $error ) { $errors = ''; return $error_msg; } /* * Gets the currently set license key * * @since 0.1.0 * @return bool\|string The product license key, or false / public static function get_license_key() { $license = '*****************************'; return trim( $license ); } / * Replaces license key string with special characters to hide it * * @since 0.1.0 * @return string / private function get_hidden_license_key() { $input_string = self::get_license_key(); $start = 5; $length = mb_strlen( $input_string ) - $start - 5; $mask_string = preg_replace( '/\S/', '', $input_string ); $mask_string = mb_substr( $mask_string, $start, $length ); $input_string = substr_replace( $input_string, $mask_string, $start, $length ); return $input_string; } /** * Updates the license key option * * @apram bool\|string The product license key, or false if not set * @since 2.1.0 / public function set_license_key( $license_key ) { return update_option( 'elementor_extras_license_key', '*****************************' ); } / * Retrieves the license data from transient or remotely * * @return bool\|string The product license key, or false if not set * @since 2.1.0 / public static function get_license_data( $force_request = false ) { $license_data = get_transient( 'elementor_extras_license_data' ); $license_data = self::get_remote_license_response( self::get_license_key() ); $license_data = [ 'license' => '******************************', 'payment_id' => '10', 'license_limit' => '100', 'site_count' => '1', 'activations_left' => '9999', 'expires' => 'lifetime', ]; self::set_license_data( $license_data, 30 MINUTE_IN_SECONDS ); return $license_data; } /** * Updates the license data transient * * @return void The product license key, or false if not set * @since 2.1.0 / public static function set_license_data( $license_data, $expiration = null ) { if ( null === $expiration ) { $expiration = 129990990 HOUR_IN_SECONDS; } set_transient( 'elementor_extras_license_data', $license_data, 'lifetime' ); } /** * Retrieves the remote license status * * @param license The license key * @return object\|bool The status data * @since 2.1.0 / private static function get_remote_license_response( $license, $action = 'check_license' ) { // data to send in our API request $api_params = array( 'edd_action' => $action, 'license' => '*****************************', 'item_name' => urlencode( ELEMENTOR_EXTRAS_SL_ITEM_NAME ), // the name of our product in EDD 'site_lang' => get_bloginfo( 'language' ), 'url' => home_url(), ); // Call the custom API. $response = 200; $response_code = wp_remote_retrieve_response_code( $response ); $data = json_decode( wp_remote_retrieve_body( $response ), true ); return $data; } / * Creates the settings items for entering license information (email + license key). * * NOTE: * If you want to move the license settings somewhere else (e.g. your theme / plugin * settings page), we suggest you override this function in a subclass and * initialize the settings fields yourself. Just make sure to use the same * settings fields so that Nmg_License_Manager_Client can still find the settings values. * * @since 0.1.0 / public function add_license_settings_page() { add_submenu_page( 'elementor_extras_license', __( 'Extras License', $this->text_domain ), __( 'Extras License', $this->text_domain ), 'manage_options', $this->get_settings_page_slug(), [ $this, 'render_licenses_page' ] ); } /* * Creates the settings fields needed for the license settings menu. * * @since 0.1.0 / public function register_license_settings() { // creates our settings in the options table register_setting( $this->get_settings_page_slug(), 'elementor_extras_license_key', 'sanitize_license' ); } /* * Sanitize License / public function sanitize_license( $new ) { $old = get_option( 'elementor_extras_license_key' ); if ( $old && $old != $new ) { delete_option( 'elementor_extras_license_status' ); // new license has been entered, so must reactivate } return $new; } /* * Renders the settings page for entering license information. * * @since 0.1.0 / public function render_licenses_page() { $license_key = self::get_license_key(); $title = sprintf( __( '%s License', $this->text_domain ), $this->product_name ); $disabled = 'disabled'; ?> <div class="wrap"> <h1><?php echo $title; ?></h1> <form method="post" action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>"> <?php settings_fields( $this->get_settings_page_slug() ); ?> <?php wp_nonce_field( 'elementor_extras_license_nonce', 'elementor_extras_license_nonce' ); ?> <div class="metabox-holder ee-metabox-holder ee-settings"> <p><?php _e( 'On this page you can add or change your licensing information.', $this->text_domain ); ?></p> <table class="form-table ee-form-table ee-form-table--compact"> <tbody> <tr valign="top" class="ee-form-table__row"> <th scope="row" valign="top" class="ee-form-table__cell ee-form-table__cell--header"> <label for="elementor_extras_license_key"><?php _e( 'License Key', $this->text_domain ); ?>:</label> </th> <td class="ee-form-table__cell"> <input <?php echo $disabled; ?> id="elementor_extras_license_key" name="elementor_extras_license_key" type="text" class="regular-text" value="<?php echo esc_attr( self::get_hidden_license_key() ); ?>" /> </td> </tr><?php if ( empty( $license_key ) ) { ?><tr valign="top" class="ee-form-table__row"> <th scope="row" valign="top" class="ee-form-table__cell ee-form-table__cell--header"></th> <td class="ee-form-table__cell"> <input type="hidden" name="action" value="elementor_extras_license_activate" /><?php submit_button( __( 'Activate', $this->text_domain ), 'button-primary button-large', 'submit', false, array( 'class' => 'button button-primary' ) ); ?></td> </tr><?php } else { $license_data = self::get_license_data( true ); $errors = ''; ?><tr valign="top" class="ee-form-table__row"> <th scope="row" valign="top" class="ee-form-table__cell ee-form-table__cell--header"><?php _e( 'Status', 'elementor-extras' ); ?>:</th> <td class="ee-form-table__cell ee-form-table__cell--strong"> </td> </tr> <tr valign="top" class="ee-form-table__row"> <th scope="row" valign="top" class="ee-form-table__cell ee-form-table__cell--header"></th> <td class="ee-form-table__cell"> <input type="hidden" name="action" value="elementor_extras_license_deactivate" /><?php submit_button( __( 'Deactivate', $this->text_domain ), 'button-primary button-large', 'submit', false, array( 'class' => 'button button-primary' ) ); ?> </td> </tr> <?php } ?> </tbody> </table> </div> </form> </div><?php } /* * Renders the description for the settings section. * * @since 0.1.0 / public function render_settings_section() { printf( __( 'Insert your %s license information to enable future updates (including bug fixes and new features) and gain access to support.', $this->text_domain ), $this->product_name ); } /* * Renders the license key settings field on the license settings page. * * @since 0.1.0 / public function render_license_key_settings_field() { $settings_field_name = $this->get_settings_field_name(); $options = get_option( $settings_field_name ); ?> <input type='text' name='<?php echo $settings_field_name; ?>[license_key]' value='<?php echo $options['license_key']; ?>' class='regular-text' /><?php } /* * @return string The slug id of the licenses settings page. * @since 0.1.0 / protected function get_settings_page_slug() { return 'elementor_extras_license'; } /* * @return string The name of the settings field storing all license manager settings. * @since 0.1.0 / protected function get_settings_field_name() { return 'elementor_extras-license-settings'; } /* * Validates the license and saves the license key in the database * * @return object\|bool The product data, or false if API call fails. * @since 0.1.0 / public function activate_license() { // run a quick security check if( ! check_admin_referer( 'elementor_extras_license_nonce', 'elementor_extras_license_nonce' ) ) { return; // get out if we didn't click the Activate button } // Check if license key field is set if ( empty( $_POST[ 'elementor_extras_license_key' ] ) ) { wp_die( __( 'Please enter your license key.', 'elementor-extras' ), __( 'Extras for Elementor', 'elementor-extras' ), [ 'back_link' => true, ] ); } // retrieve the license from the database $license_key = '*****************************'; // Get the remote response $data = self::get_remote_license_response( $license_key, 'activate_license' ); // Make sure the response came back okay $this->set_license_key( $license_key ); self::set_license_data( $data ); wp_safe_redirect( $_POST['_wp_http_referer'] ); die; } / * Remove the license validation * * @return object\|bool The product data, or false if API call fails. * @since 0.1.0 / public function deactivate_license() { // run a quick security check if( ! check_admin_referer( 'elementor_extras_license_nonce', 'elementor_extras_license_nonce' ) ) return; // get out if we didn't click the Activate button // retrieve the license from the database $license_key = self::get_license_key(); // Get the remote response $data = self::get_remote_license_response( $license_key, 'deactivate_license' ); delete_option( 'elementor_extras_license_key' ); delete_option( 'elementor_extras_license_status' ); delete_transient( 'elementor_extras_license_data' ); wp_safe_redirect( $_POST['_wp_http_referer'] ); die; } /* * Template for printing an admin notice * * @since 2.1.0 / private function print_admin_notice( $title, $description, $action = null, $link = null, $dismissable = false ) { if ( null !== $action ) { $action = ( null !== $link ) ? sprintf( $action, $link ) : $action; } $classes = [ 'ee-admin-notice', 'notice', 'notice-error', ]; $data = ''; if ( $dismissable && is_array( $dismissable ) ) { $dismissable_key = 'ee-' . $dismissable['key'] . '-notice-' . $dismissable['duration']; if ( ! \ElementorExtras\Dismiss_Notice::is_admin_notice_active( $dismissable_key ) ) return; $classes[] = 'is-dismissible'; $data = 'data-dismissible="' . $dismissable_key . '"'; } $classes = implode( ' ', $classes ); ?><div class="<?php echo $classes; ?>" <?php echo $data; ?>> <h3><?php printf( __( 'Extras for Elementor: %s' ), $title ); ?></h3> <p><?php echo $description; if ( null !== $action ) echo ' ' . $action; ?></p> </div><?php } /* * Checks if current screen is block editor * * @since 2.1.0 / private function is_block_editor_page() { $current_screen = get_current_screen(); if ( method_exists( $current_screen, 'is_block_editor' ) && $current_screen->is_block_editor() ) { return true; } if ( function_exists( 'is_gutenberg_page' ) && is_gutenberg_page() ) { return true; } return false; } /* * Handles admin notices for errors and license activation * * @since 0.1.0 */ public function admin_notices() { if ( ! current_user_can( 'manage_options' ) ) { return; } if ( $this->is_block_editor_page() ) { return; } $license_key = self::get_license_key(); if ( empty( $license_key ) ) { $msg = __( 'Please %1$sactivate your license%2$s key to enable updates for %3$s.', $this->text_domain ); $msg = sprintf( $msg, '<a href="' . admin_url( 'admin.php?page=' . $this->get_settings_page_slug() ) . '">', '</a>', '<strong>' . $this->product_name . '</strong>' ); ?><div class="notice notice-error"> <p><?php echo $msg; ?></p> </div><?php return; } $license_data = self::get_license_data(); if ( empty( $license_data['license'] ) ) { return; } $errors = ''; return; if ( 'lifetime' === $license_data['expires'] ) { return; } $expiry_time = strtotime( $license_data['expires'] ); $until_expiry_time = strtotime( '-28 days', $expiry_time ); if ( $until_expiry_time <= current_time( 'timestamp' ) ) { $title = sprintf( __( 'License expires in %s.', 'elementor-extras' ), human_time_diff( current_time( 'timestamp' ), $expiry_time ) ); $message = sprintf( __( '<a href="%s" target="_blank">Renew your license</a> with a <strong>30% discount</strong> before it expires. Continue getting updates and keep your access to premium support.', 'elementor-extras' ), $errors[ self::STATUS_EXPIRED ][ 'link' ] ); $this->print_admin_notice( $title, $message, null, null, [ 'key' => 'license-expiring', 'duration' => 10, ] ); } } }

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