diff options
Diffstat (limited to 'Postman/Extensions/License/PostmanLicenseHandler.php')
| -rw-r--r-- | Postman/Extensions/License/PostmanLicenseHandler.php | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/Postman/Extensions/License/PostmanLicenseHandler.php b/Postman/Extensions/License/PostmanLicenseHandler.php new file mode 100644 index 0000000..b24aa14 --- /dev/null +++ b/Postman/Extensions/License/PostmanLicenseHandler.php @@ -0,0 +1,422 @@ +<?php + +// Exit if accessed directly +if ( ! defined( 'ABSPATH' ) ) exit; + +if ( ! class_exists( 'PostmanLicenseHandler' ) ) : + + +class PostmanLicenseHandler { + private $file; + private $license; + private $license_data; + private $item_name; + private $item_id; + private $item_shortname; + private $version; + private $author; + private $api_url = 'http://localhost/psp/'; + + + function __construct( $_file, $_item_name, $_version, $_author, $_optname = null, $_api_url = null, $_item_id = null ) { + $this->file = $_file; + $this->item_name = $_item_name; + + if ( is_numeric( $_item_id ) ) { + $this->item_id = absint( $_item_id ); + } + + $this->item_shortname = $this->get_slug(); + $this->version = $_version; + $this->license = trim( get_option( $this->item_shortname . '_license_key', '' ) ); + $this->license_data = get_option( $this->item_shortname . '_license_active', '' ); + $this->author = $_author; + $this->api_url = is_null( $_api_url ) ? $this->api_url : $_api_url; + + /** + * Allows for backwards compatibility with old license options, + * i.e. if the plugins had license key fields previously, the license + * handler will automatically pick these up and use those in lieu of the + * user having to reactive their license. + */ + if ( ! empty( $_optname ) ) { + $opt = get_option( $_optname, false ); + + if( isset( $opt ) && empty( $this->license ) ) { + $this->license = trim( $opt ); + } + } + + // Setup hooks + $this->includes(); + $this->hooks(); + + } + + /** + * Include the updater class + * + * @access private + * @return void + */ + private function includes() { + if ( ! class_exists( 'EDD_SL_Plugin_Updater' ) ) { + require_once 'EDD_SL_Plugin_Updater.php'; + } + } + + /** + * Setup hooks + * + * @access private + * @return void + */ + public function hooks() { + + // Activate license key on settings save + add_action( 'admin_init', array( $this, 'activate_license' ) ); + + // Deactivate license key + add_action( 'admin_init', array( $this, 'deactivate_license' ) ); + + add_action( 'init', array( $this, 'cron' ), 20 ); + + // Check that license is valid once per week + add_action( 'admin_init', array( $this, 'validate_license' ) ); + + // Updater + add_action( 'admin_init', array( $this, 'auto_updater' ), 0 ); + + // Display notices to admins + add_action( 'admin_notices', array( $this, 'notices' ) ); + + add_action( 'in_plugin_update_message-' . plugin_basename( $this->file ), array( $this, 'plugin_row_license_missing' ), 10, 2 ); + } + + /** + * Auto updater + * + * @access private + * @return void + */ + public function auto_updater() { + + $args = array( + 'version' => $this->version, + 'license' => $this->license, + 'author' => $this->author, + 'beta' => function_exists( 'edd_extension_has_beta_support' ) && edd_extension_has_beta_support( $this->item_shortname ), + ); + + if( ! empty( $this->item_id ) ) { + $args['item_id'] = $this->item_id; + } else { + $args['item_name'] = $this->item_name; + } + + // Setup the updater + $edd_updater = new EDD_SL_Plugin_Updater( + $this->api_url, + $this->file, + $args + ); + } + + public function cron() { + if ( ! wp_next_scheduled( $this->item_shortname . '_scheduled_events' ) ) { + wp_schedule_event( current_time( 'timestamp', true ), 'daily', $this->item_shortname . '_scheduled_events' ); + } + } + + public function get_slug() { + return preg_replace( '/[^a-zA-Z0-9_\s]/', '', str_replace( ' ', '_', strtolower( $this->item_name ) ) ); + } + + /** + * Display help text at the top of the Licenses tag + * + * @since 2.5 + * @param string $active_tab + * @return void + */ + public function license_help_text( $active_tab = '' ) { + + static $has_ran; + + if( 'licenses' !== $active_tab ) { + return; + } + + if( ! empty( $has_ran ) ) { + return; + } + + echo '<p>' . sprintf( + __( 'Enter your extension license keys here to receive updates for purchased extensions. If your license key has expired, please <a href="%s" target="_blank">renew your license</a>.', 'easy-digital-downloads' ), + 'http://docs.easydigitaldownloads.com/article/1000-license-renewal' + ) . '</p>'; + + $has_ran = true; + + } + + + /** + * Activate the license key + * + * @return void + */ + public function activate_license() { + + if ( ! isset( $_POST['post_smtp_extension'][ $this->item_shortname . '_activate'] ) ) { + return; + } + + if ( ! isset( $_REQUEST[ $this->item_shortname . '_license_key-nonce'] ) || ! wp_verify_nonce( $_REQUEST[ $this->item_shortname . '_license_key-nonce'], $this->item_shortname . '_license_key-nonce' ) ) { + + return; + + } + + if ( ! current_user_can( 'manage_options' ) ) { + return; + } + + if ( empty( $_POST['post_smtp_extension'][ $this->item_shortname . '_license_key'] ) ) { + + delete_option( $this->item_shortname . '_license_active' ); + delete_option( $this->item_shortname . '_license_key' ); + + return; + + } + + foreach ( $_POST as $key => $value ) { + if( false !== strpos( $key, 'license_key_deactivate' ) ) { + // Don't activate a key when deactivating a different key + return; + } + } + + $details = get_option( $this->item_shortname . '_license_active' ); + + if ( is_object( $details ) && 'valid' === $details->license ) { + return; + } + + $license = sanitize_text_field( $_POST['post_smtp_extension'][ $this->item_shortname . '_license_key'] ); + + if( empty( $license ) ) { + return; + } + + // Data to send to the API + $api_params = array( + 'edd_action' => 'activate_license', + 'license' => $license, + 'item_name' => urlencode( $this->item_name ), + 'url' => home_url() + ); + + if ( ! empty( $this->item_id ) ) { + $api_params['item_id'] = $this->item_id; + } + + // Call the API + $response = wp_remote_post( + $this->api_url, + array( + 'timeout' => 15, + 'sslverify' => false, + 'body' => $api_params + ) + ); + + // Make sure there are no errors + if ( is_wp_error( $response ) ) { + return; + } + + // Tell WordPress to look for updates + set_site_transient( 'update_plugins', null ); + + // Decode license data + $license_data = json_decode( wp_remote_retrieve_body( $response ) ); + + update_option( $this->item_shortname . '_license_active', $license_data ); + update_option( $this->item_shortname . '_license_key', $license ); + + $slug = plugin_basename($this->file); + PostmanLicenseManager::get_instance()->add_extension($slug); + + } + + + /** + * Deactivate the license key + * + * @return void + */ + public function deactivate_license() { + + if ( ! isset( $_POST['post_smtp_extension'][ $this->item_shortname . '_deactivate'] ) ) { + return; + } + + if ( ! isset( $_POST['post_smtp_extension'][ $this->item_shortname . '_license_key'] ) ) + return; + + if( ! wp_verify_nonce( $_REQUEST[ $this->item_shortname . '_license_key-nonce'], $this->item_shortname . '_license_key-nonce' ) ) { + + wp_die( __( 'Nonce verification failed', 'easy-digital-downloads' ), __( 'Error', 'easy-digital-downloads' ), array( 'response' => 403 ) ); + + } + + if( ! current_user_can( 'manage_options' ) ) { + return; + } + + $license_key = sanitize_text_field( base64_decode( $_POST['post_smtp_extension'][ $this->item_shortname . '_license_key'] ) ); + + // Run on deactivate button press + // Data to send to the API + $api_params = array( + 'edd_action' => 'deactivate_license', + 'license' => $license_key, + 'item_name' => urlencode( $this->item_name ), + 'url' => home_url() + ); + + if ( ! empty( $this->item_id ) ) { + $api_params['item_id'] = $this->item_id; + } + + // Call the API + $response = wp_remote_post( + $this->api_url, + array( + 'timeout' => 15, + 'sslverify' => false, + 'body' => $api_params + ) + ); + + // Make sure there are no errors + if ( is_wp_error( $response ) ) { + return; + } + + // Decode the license data + $license_data = json_decode( wp_remote_retrieve_body( $response ) ); + + delete_option( $this->item_shortname . '_license_active' ); + delete_option( $this->item_shortname . '_license_key' ); + + $slug = plugin_basename($this->file); + PostmanLicenseManager::get_instance()->remove_extension($slug); + + } + + public function validate_license() { + if ( false === ( $cron_data = get_transient( $this->item_shortname . '_cron' ) ) ) { + $this->license_check(); + + set_transient( $this->item_shortname . '_cron', true, rand( 12, 48 ) * HOUR_IN_SECONDS ); + } + } + + + /** + * Check if license key is valid once per week + * + * @since 2.5 + * @return void + */ + public function license_check() { + + // data to send in our API request + $api_params = array( + 'edd_action'=> 'check_license', + 'license' => $this->license, + 'item_name' => urlencode( $this->item_name ), + 'url' => home_url() + ); + + // Call the API + $response = wp_remote_post( + $this->api_url, + array( + 'timeout' => 15, + 'sslverify' => false, + 'body' => $api_params + ) + ); + + // make sure the response came back okay + if ( is_wp_error( $response ) ) { + return false; + } + + $license_data = json_decode( wp_remote_retrieve_body( $response ) ); + + update_option( $this->item_shortname . '_license_active', $license_data ); + + } + + + /** + * Admin notices for errors + * + * @return void + */ + public function notices() { + + $showed_invalid_message = null; + + if( empty( $this->license ) ) { + return; + } + + if( ! current_user_can( 'manage_options' ) ) { + return; + } + + $messages = array(); + + $license = get_option( $this->item_shortname . '_license_active' ); + + if( is_object( $license ) && 'valid' !== $license->license && empty( $showed_invalid_message ) ) { + + if( isset( $_GET['page'] ) && 'post-smtp-extensions' === $_GET['page'] ) { + + $messages[] = sprintf( + __( '%s has invalid or expired license key for Post SMTP.'), + '<strong>' . $this->item_name . '</strong>' + ); + + $showed_invalid_message = true; + + } + + } + + if( ! empty( $messages ) ) { + + foreach( $messages as $message ) { + + echo '<div class="error">'; + echo '<p>' . $message . '</p>'; + echo '</div>'; + + } + + } + + } + + public function is_licensed() { + return is_object($this->license_data) && 'valid' === $this->license_data->license; + } +} + +endif; // end class_exists check |