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<?php /** * Plugin updater * * @since 2.1.0 * * @package LearnDash\Updater / if ( ! class_exists( 'nss_plugin_updater_sfwd_lms' ) ) { class nss_plugin_updater_sfwd_lms { /* * The plugin current version * @var string / public $current_version; /* * The plugin remote update path * @var string / public $update_path; /* * Plugin Slug (plugin_directory/plugin_file.php) * @var string / public $plugin_slug; /* * Plugin name (plugin_file) * @var string / public $slug; /* * Initialized as $slug, this is used as a substring to create dynamic hooks and actions * @var string / public $code; private $ld_updater; private $upgrade_notice = array(); /* * Initialize a new instance of the WordPress Auto-Update class * * @since 2.1.0 * * @param string $update_path * @param string $plugin_slug / public function __construct( $update_path, $plugin_slug ) { // Set the class public variables //$this->update_path = $update_path; $this->plugin_slug = $plugin_slug; $this->current_version = LEARNDASH_VERSION; //$this->get_plugin_data()->Version; list ( $t1, $t2 ) = explode( '/', $plugin_slug ); $this->slug = str_replace( '.php', '', $t2 ); $code = $this->code = $this->slug; $license = get_option( 'nss_plugin_license_' . $code ); $licenseemail = get_option( 'nss_plugin_license_email_' . $code ); if ( ( empty( $license ) ) \|\| ( empty( $licenseemail ) ) ) { $this->reset(); } else { // Build the updater path ONLY if the license and email are not empty. This prevents unnecessary calls to the remote server. $this->update_path = add_query_arg( array( 'pluginupdate' => $code, 'licensekey' => urlencode( $license ), 'licenseemail' => urlencode( $licenseemail ), 'nsspu_wpurl' => urlencode( get_bloginfo( 'wpurl' ) ), 'nsspu_admin' => urlencode( get_bloginfo( 'admin_email' ) ), 'current_version' => $this->current_version, ), $update_path ); } //Add Menu add_action( 'admin_menu', array( $this, 'nss_plugin_license_menu' ), 1 ); // define the alternative API for updating checking add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_update' ) ); // Define the alternative response for information checking add_filter( 'plugins_api', array( $this, 'check_info' ), 50, 3 ); add_action( 'in_admin_header', array( $this, 'check_notice' ) ); add_action( 'admin_notices', array( &$this, 'admin_notice_upgrade_notice' ) ); add_action( 'in_plugin_update_message-' . $this->plugin_slug, array( $this, 'show_upgrade_notification' ), 10, 2 ); // Handle License post update. add_action( 'admin_init', array( $this, 'nss_plugin_license_update' ), 1 ); } /* * Handle license form post updates. * * @since 3.0 / public function nss_plugin_license_update() { // See if the user has posted us some information // If they did, this hidden field will be set to 'Y' if ( ( isset( $_POST['ld_plugin_license_nonce'] ) ) && ( ! empty( $_POST['ld_plugin_license_nonce'] ) ) && ( wp_verify_nonce( $_POST['ld_plugin_license_nonce'], 'update_nss_plugin_license_' . $this->code ) ) ) { $license = ''; if ( ( isset( $_POST[ 'nss_plugin_license_' . $this->code ] ) ) && ( ! empty( $_POST[ 'nss_plugin_license_' . $this->code ] ) ) ) { $license = esc_attr( $_POST[ 'nss_plugin_license_' . $this->code ] ); } $email = ''; if ( ( isset( $_POST[ 'nss_plugin_license_email_' . $this->code ] ) ) && ( is_email( $_POST[ 'nss_plugin_license_email_' . $this->code ] ) ) ) { $email = $_POST[ 'nss_plugin_license_email_' . $this->code ]; } // Save the posted value in the database update_option( 'nss_plugin_license_' . $this->code, $license ); update_option( 'nss_plugin_license_email_' . $this->code, $email ); $this->reset(); ?> <script> window.location = window.location; </script> <?php } } public function show_upgrade_notification( $current_plugin_metadata, $new_plugin_metadata ) { $upgrade_notice = $this->get_plugin_upgrade_notice(); if ( ! empty( $upgrade_notice ) ) { echo '</p><p class="ld-plugin-update-notice">' . str_replace( array('<p>', '</p>' ), array( '', '<br />' ), $upgrade_notice ); } } /* * Utility function to the status of the license. / public function is_license_valid() { $license = get_option( 'nss_plugin_remote_license_' . $this->slug ); if ( ( isset( $license['value'] ) ) && ( '1' === $license['value'] ) ) { return true; } return false; } /* * Checks to see if a license administrative notice needs to be displayed, and if so, displays it. * * @since 2.1.0 * / public function check_notice() { if ( ( isset( $_REQUEST['page'] ) ) && ( 'nss_plugin_license-' . $this->code . '-settings' === $_REQUEST['page'] ) \|\| ( isset( $_REQUEST['page'] ) ) && ( 'learndash_lms_overview' === $_REQUEST['page'] ) ) { $this->check_update( array() ); } if ( ! $this->is_license_valid() ) { add_action( 'admin_notices', array( $this, 'admin_notice' ) ); } } /* * Determines if the plugin should check for updates * * @since 2.1.0 * * @return bool / public function time_to_recheck() { $nss_plugin_check = get_option( 'nss_plugin_check_' . $this->slug ); if ( ( empty( $nss_plugin_check ) ) \|\| ( ! empty( $_REQUEST['pluginupdate'] ) && $_REQUEST['pluginupdate'] == $this->code ) \|\| ( ! empty( $_GET['force-check'] ) ) \|\| ( $nss_plugin_check <= time() - 12 60 * 60 ) /* \|\| ( ( isset( $_REQUEST['page'] ) ) && ( @$_REQUEST['page'] == 'nss_plugin_license-'.$this->code.'-settings' ) \|\| ( isset( $_REQUEST['page'] ) ) && ( @$_REQUEST['page'] === 'learndash_lms_overview' ) ) / ) { //$this->reset(); return true; } else { return false; } } /* * Resets the time the plugin was checked last, and removes previous license, version, and plugin info data * * @since 2.1.0 * / public function reset() { delete_option( 'nss_plugin_remote_version_' . $this->slug ); delete_option( 'nss_plugin_remote_license_' . $this->slug ); delete_option( 'nss_plugin_info_' . $this->slug ); delete_option( 'nss_plugin_check_' . $this->slug ); //update_option( 'nss_plugin_check_' . $this->slug, time() ); } /* * Echos the administrative notice if the plugin license is incorrect * * @since 2.1.0 * / public function admin_notice() { static $notice_shown = false; if ( true !== $notice_shown ) { $current_screen = get_current_screen(); if ( ! in_array( $current_screen->id, array( 'admin_page_nss_plugin_license-sfwd_lms-settings', 'dashboard', 'admin_page_learndash_lms_overview' ) ) ) { $notice_shown = true; ?> <div class="notice notice-error is-dismissible"> <p><?php echo sprintf( // translators: placeholders: Plugin name. Plugin update link. esc_html_x( 'License of your plugin %1$s is invalid or incomplete. Please click %2$s and update your license.', 'placeholders: Plugin name. Plugin update link.', 'learndash' ), '<strong>' . $this->get_plugin_data()->Name . '</strong>', '<a href="' . get_admin_url( null, 'admin.php?page=nss_plugin_license-sfwd_lms-settings' ) . '">' . __('here', 'learndash' ) . '</a>' ); ?></p> </div> <?php } } } /* * Support for admin notice header for "Upgrade Notice Admin" header * from readme.txt. * * @since 3.1.4 / public function admin_notice_upgrade_notice() { static $notice_shown_upgrade_notice = false; if ( true !== $notice_shown_upgrade_notice ) { /* * Filter to allow override of showing the upgrade notice admin * banner. By default this will show on all pages. * * @since 3.1.4 * @param boolean true Wether to show the update notice. * @return boolean Return true to show. / if ( apply_filters( 'learndash_upgrade_notice_admin_show', true ) ) { $upgrade_notice = $this->get_plugin_upgrade_notice( 'upgrade_notice_admin' ); if ( ! empty( $upgrade_notice ) ) { $notice_shown_upgrade_notice = true; ?> <div class="notice notice-error notice-alt is-dismissible ld-plugin-update-notice"> <?php echo $upgrade_notice; ?> </div> <?php } } } } /* * Adds admin notices, and deactivates the plugin. * * @since 2.1.0 * / public function invalid_current_license() { // There is NEVER a time when we want to deactive our plugin automatically. return; add_action( 'admin_notices', array( &$this, 'admin_notice' ) ); deactivate_plugins( $this->plugin_slug ); } /* * Returns the metadata of the LearnDash plugin * * @since 2.1.0 * * @return object Metadata of the LearnDash plugin / public function get_plugin_data() { if ( ! function_exists( 'get_plugin_data' ) ) { include_once ABSPATH . 'wp-admin' . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR . 'plugin.php'; } return (object) get_plugin_data( dirname( dirname( dirname( __FILE__ ) ) ) . DIRECTORY_SEPARATOR . $this->plugin_slug ); } /* * Add our self-hosted autoupdate plugin to the filter transient * * @since 2.1.0 * * @param $transient * * @return object $transient / public function check_update( $transient ) { if ( is_array( $transient ) ) { $transient = (object) $transient; } if ( empty( $transient->checked ) ) { // return $transient; } if ( ! $this->time_to_recheck() ) { $remote_version = get_option( 'nss_plugin_remote_version_' . $this->slug ); $license = get_option( 'nss_plugin_remote_license_' . $this->slug ); } else { $remote_version = ''; $license = ''; } // Get the remote version if ( empty( $remote_version ) ) { $info = $this->getRemote_information(); if ( ( $info ) && ( property_exists( $info, 'new_version' ) ) ) { $remote_version = $info->new_version; update_option( 'nss_plugin_remote_version_' . $this->slug, $remote_version ); update_option( 'nss_plugin_info_' . $this->slug, $info ); } } if ( empty( $license ) ) { $value = $this->getRemote_license(); $license = array( 'value' => $value ); update_option( 'nss_plugin_remote_license_' . $this->slug, $license ); } // If a newer version is available, add the update if ( version_compare( $this->current_version, $remote_version, '<' ) ) { $obj = new stdClass(); $obj->slug = $this->slug; $obj->new_version = $remote_version; $obj->plugin = 'sfwd-lms/' . $this->slug; if ( ! empty( $this->update_path ) ) { $obj->url = $this->update_path; $obj->package = $this->update_path; } else { $obj->url = null; $obj->package = null; } $plugin_readme = $this->get_plugin_readme(); if ( ! empty( $plugin_readme ) ) { // First we remove the properties we DON'T want from the support site foreach ( array( 'sections', 'requires', 'tested', 'last_updated' ) as $property_key ) { if ( property_exists( $obj, $property_key ) ) { unset( $obj->$property_key ); } } if ( isset( $plugin_readme['upgrade_notice'] ) ) { unset( $plugin_readme['upgrade_notice'] ); } //$upgrade_notice = $this->get_plugin_upgrade_notice(); //if ( ! empty( $upgrade_notice ) ) { // $obj->upgrade_notice = '<div class="ld-plugin-update-notice">' . $upgrade_notice . '</div>'; //} foreach ( $plugin_readme as $key => $val ) { if ( ! property_exists( $obj, $key ) ) { $obj->$key = $val; } } } if ( ! property_exists( $obj, 'icons' ) ) { // Add an image for the WP 4.9.x plugins update screen. $obj->icons = array( 'default' => LEARNDASH_LMS_PLUGIN_URL . '/assets/images/ld-plugin-image.jpg', ); } $transient->response[ $this->plugin_slug ] = $obj; } return $transient; } public function get_plugin_readme() { if ( is_null( $this->ld_updater ) ) { $this->ld_updater = new LearnDash_Addon_Updater(); } $this->ld_updater->get_addon_plugins(); return $this->ld_updater->update_plugin_readme( 'learndash-core-readme' ); } public function get_plugin_upgrade_notice( $admin = 'upgrade_notice' ) { $upgrade_notice = ''; $plugin_readme = $this->get_plugin_readme(); if ( 'upgrade_notice' === $admin ) { if ( ( isset( $plugin_readme['upgrade_notice']['content'] ) ) && ( ! empty( $plugin_readme['upgrade_notice']['content'] ) ) ) { foreach ( $plugin_readme['upgrade_notice']['content'] as $upgrade_notice_version => $upgrade_notice_message ) { if ( version_compare( $upgrade_notice_version, $this->current_version, '>' ) ) { //if ( ! empty( $upgrade_notice ) ) { // $upgrade_notice .= '<br />'; //} $upgrade_notice_message = str_replace( array( "\r\n", "\n", "\r" ), '', $upgrade_notice_message ); $upgrade_notice_message = str_replace( '</p><p>', '<br /><br />', $upgrade_notice_message ); $upgrade_notice_message = str_replace( '<p>', '', $upgrade_notice_message ); $upgrade_notice_message = str_replace( '</p>', '', $upgrade_notice_message ); $upgrade_notice .= '<p><span class="version">' . $upgrade_notice_version . '</span>: ' . $upgrade_notice_message . '</p>'; } } } } else if ( 'upgrade_notice_admin' === $admin ) { if ( ( isset( $plugin_readme['upgrade_notice_admin']['content'] ) ) && ( ! empty( $plugin_readme['upgrade_notice_admin']['content'] ) ) ) { foreach ( $plugin_readme['upgrade_notice_admin']['content'] as $upgrade_notice_version => $upgrade_notice_message ) { if ( version_compare( $upgrade_notice_version, $this->current_version, '>' ) ) { //if ( ! empty( $upgrade_notice ) ) { // $upgrade_notice .= '<br />'; //} //$upgrade_notice_message = str_replace( array( "\r\n", "\n", "\r" ), '', $upgrade_notice_message ); //$upgrade_notice_message = str_replace( '</p><p>', '<br /><br />', $upgrade_notice_message ); //$upgrade_notice_message = str_replace( '<p>', '', $upgrade_notice_message ); //$upgrade_notice_message = str_replace( '</p>', '', $upgrade_notice_message ); //$upgrade_notice .= '<p><span class="version">' . $upgrade_notice_version . '</span>: ' . $upgrade_notice_message . '</p>'; $upgrade_notice_message = str_replace( array( '<h4>', '</h4>' ), array( '<p class="header">', '</p>' ), $upgrade_notice_message ); $upgrade_notice .= $upgrade_notice_message; } } } } return $upgrade_notice; } /* * Add our self-hosted description to the filter, or returns false * * @since 2.1.0 * * @param boolean $false * @param array $action * @param object $arg * * @return bool\|object / public function check_info( $false, $action, $arg ) { if ( empty( $arg ) \|\| empty( $arg->slug ) \|\| empty( $this->slug ) ) { return $false; } if ( $arg->slug === $this->slug ) { if ( ! $this->time_to_recheck() ) { $info = get_option( 'nss_plugin_info_' . $this->slug ); if ( ! empty( $info ) ) { return $info; } } if ( 'plugin_information' == $action ) { $information = $this->getRemote_information(); update_option( 'nss_plugin_info_' . $this->slug, $information ); $false = $information; } } return $false; } /* * Return the remote version, or returns false * * @return bool\|string $remote_version / public function getRemote_version() { if ( ! empty( $this->update_path ) ) { $request = wp_remote_post( $this->update_path, array( 'body' => array( 'action' => 'version' ), 'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT ) ); if ( ! is_wp_error( $request ) \|\| wp_remote_retrieve_response_code( $request ) === 200 ) { return $request['body']; } } return false; } /* * Get information about the remote version, or returns false * * @return bool\|object / public function getRemote_information() { if ( ! empty( $this->update_path ) ) { $request = wp_remote_post( $this->update_path, array( 'body' => array( 'action' => 'info' ), 'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT ) ); if ( ! is_wp_error( $request ) \|\| wp_remote_retrieve_response_code( $request ) === 200 ) { $information = @unserialize( $request['body'] ); if ( empty( $information ) ) { $information = new stdClass(); } $plugin_readme = $this->get_plugin_readme(); if ( ! empty( $plugin_readme ) ) { // First we remove the properties we DON'T want from the support site foreach ( array( 'sections', 'requires', 'tested', 'last_updated' ) as $property_key ) { if ( property_exists( $information, $property_key ) ) { unset( $information->$property_key ); } } foreach ( $plugin_readme as $key => $val ) { if ( ! property_exists( $information, $key ) ) { $information->$key = $val; } } } return $information; } } return false; } /* * Return the status of the plugin licensing, or returns true * * @since 2.1.0 * * @return bool\|string $remote_license / public function getRemote_license() { if ( ! empty( $this->update_path ) ) { $request = wp_remote_post( $this->update_path, array( 'body' => array( 'action' => 'license' ), 'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT ) ); if ( ! is_wp_error( $request ) \|\| wp_remote_retrieve_response_code( $request ) === 200 ) { if ( '1' !== $request['body'] ) { $this->reset(); add_action( 'admin_notices', array( &$this, 'admin_notice' ) ); return false; } return $request['body']; } } return false; } /* * Retrieves the current license from remote server, or returns true * * @since 2.1.0 * * @return bool\|string $current_license / public function getRemote_current_license() { if ( ! empty( $this->update_path ) ) { $request = wp_remote_post( $this->update_path, array( 'body' => array( 'action' => 'current_license' ), 'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT ) ); if ( ! is_wp_error( $request ) \|\| wp_remote_retrieve_response_code( $request ) === 200 ) { if ( $request['body'] == 'not_found' ) { //$this->invalid_current_license(); } return $request['body']; } } return true; } /* * Adds the license submenu to the administrative settings page * * @since 2.1.0 * / public function nss_plugin_license_menu() { add_submenu_page( 'admin.php?page=learndash_lms_settings', $this->get_plugin_data()->Name . ' License', $this->get_plugin_data()->Name . ' License', LEARNDASH_ADMIN_CAPABILITY_CHECK, 'nss_plugin_license-' . $this->code . '-settings', array( $this, 'nss_plugin_license_menupage' ) ); } /* * Outputs the license settings page * * @since 2.1.0 * / public function nss_plugin_license_menupage() { $code = $this->code; //must check that the user has the required capability if ( ! learndash_is_admin_user() ) { wp_die( esc_html__( 'You do not have sufficient permissions to access this page.', 'default' ) ); } // Read in existing option value from database $license = get_option( 'nss_plugin_license_' . $code ); $email = get_option( 'nss_plugin_license_email_' . $code ); $domain = str_replace( array( 'http://', 'https://' ), '', get_bloginfo( 'url' ) ); $license = get_option( 'nss_plugin_license_' . $code ); $email = get_option( 'nss_plugin_license_email_' . $code ); $license_status = false; if ( ! empty( $license ) && ! empty( $email ) ) { $license_status = get_option( 'nss_plugin_remote_license_' . $this->slug ); if ( isset( $license_status['value'] ) ) { $license_status = $license_status['value']; } else { $license_status = $this->getRemote_license(); } } ?> <style> .grayblock { border: solid 1px #ccc; background: #eee; padding: 1px 8px; width: 30%; } </style> <div class=wrap> <form method="post" action="<?php echo $_SERVER['REQUEST_URI']; ?>"> <?php // Use nonce for verification. wp_nonce_field( 'update_nss_plugin_license_' . $code, 'ld_plugin_license_nonce' ); ?> <h1><?php esc_html_e( 'License Settings', 'learndash' ); ?></h1> <br /> <?php if ( '1' === $license_status ) { ?> <div class="notice notice-success"> <p><?php esc_html_e( 'Your license is valid.', 'learndash' ); ?></p> </div> <?php } else { ?> <div class="notice notice-error"> <p> <?php echo sprintf( // translators: placeholder: link to purchase LearnDash. esc_html_x( 'Please enter a valid license or %s one now.', 'placeholder: link to purchase LearnDash', 'learndash' ), '<a href="http://www.learndash.com/" target="_blank">' . esc_html__( 'buy', 'learndash' ) . '</a>' ); ?> </p> </div> <?php } ?> <p><label for="nss_plugin_license_email_<?php echo $code; ?>"><?php esc_html_e( 'Email:', 'learndash' ); ?></label><br /> <?php /* * Returns the Learndash license email * * @since 2.1.0 * * @param string 'format_to_edit' * @param string $email 'nss_plugin_license_email_' appended with this object property $code / ?> <input id="nss_plugin_license_email_<?php echo $code; ?>" name="nss_plugin_license_email_<?php echo $code; ?>" style="min-width:30%" value="<?php esc_html_e( apply_filters( 'format_to_edit', $email ), 'learndash' ); ?>" /></p> <p><label ><?php esc_html_e( 'License Key:', 'learndash' ); ?></label><br /> <input id="nss_plugin_license_<?php echo $code; ?>" name="nss_plugin_license_<?php echo $code; ?>" style="min-width:30%" value="<?php esc_html_e( apply_filters( 'format_to_edit', $license ), 'learndash' ); ?>" /></p> <div class="submit"> <input type="submit" name="update_nss_plugin_license_<?php echo $code; ?>" value="<?php esc_html_e( 'Update License', 'learndash' ); ?>" class="button button-primary"/> </div> </form> <br><br><br><br> <div id="nss_license_footer"> <?php /* * Outputs the NSS License footer HTML * * @since 2.1.0 * * @param string This object's property "$code" appended with '-nss_license_footer' */ do_action( $code . '-nss_license_footer' ); ?> </div> </div> <?php } } add_action( 'learndash_init', function() { learndash_get_updater_instance(); } ); } // Poor man's get singleton for now. function learndash_get_updater_instance() { static $updater_sfwd_lms = null; if ( ( ! $updater_sfwd_lms ) \|\| ( ! is_a( $updater_sfwd_lms, 'nss_plugin_updater_sfwd_lms' ) ) ) { $nss_plugin_updater_plugin_remote_path = 'https://support.learndash.com/'; $nss_plugin_updater_plugin_slug = basename( LEARNDASH_LMS_PLUGIN_DIR ) . '/sfwd_lms.php'; $updater_sfwd_lms = new nss_plugin_updater_sfwd_lms( $nss_plugin_updater_plugin_remote_path, $nss_plugin_updater_plugin_slug ); } if ( ( $updater_sfwd_lms ) && ( is_a( $updater_sfwd_lms, 'nss_plugin_updater_sfwd_lms' ) ) ) { return $updater_sfwd_lms; } } function is_learndash_license_valid() { $updater_sfwd_lms = learndash_get_updater_instance(); if ( ( $updater_sfwd_lms ) && ( is_a( $updater_sfwd_lms, 'nss_plugin_updater_sfwd_lms' ) ) ) { return $updater_sfwd_lms->is_license_valid(); } }

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