<?php
/**
* Plugin updater
*
* @since 2.1.0
*
* @package LearnDash\Updater
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'nss_plugin_updater_sfwd_lms' ) ) {
/**
* Class to update LearnDash
*/
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;
/**
* The plugin remote base update path
*
* @since 4.5.0
*
* @var string
*/
private $update_path_base;
/**
* 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;
/**
* Updater object
*
* @var object
*/
private $ld_updater;
/**
* Upgrade notice
*
* @var array
*/
private $upgrade_notice = array();
/**
* Minutes value of how frequent we validate the license.
*
* @since 3.6.0.3
*
* @var integer $plugin_license_cache_time_limit (minutes).
*/
private $plugin_license_cache_time_limit;
/**
* Minutes value of how frequent we check for new plugin information.
*
* @since 3.6.0.3
*
* @var integer $plugin_info_cache_time_limit (minutes).
*/
private $plugin_info_cache_time_limit;
/**
* Initialize a new instance of the WordPress Auto-Update class
*
* @since 2.1.0
*
* @param string $update_path Update path.
* @param string $plugin_slug 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->update_path_base = $update_path;
list ( $t1, $t2 ) = explode( '/', $plugin_slug );
$this->slug = str_replace( '.php', '', $t2 );
$code = esc_attr( $this->slug );
$this->code = $code;
$this->plugin_license_cache_time_limit = 3600; // 60 minutes
if ( ( defined( 'LEARNDASH_PLUGIN_LICENSE_INTERVAL' ) ) && ( LEARNDASH_PLUGIN_LICENSE_INTERVAL > 3600 ) ) {
$this->plugin_license_cache_time_limit = LEARNDASH_PLUGIN_LICENSE_INTERVAL;
}
$this->plugin_info_cache_time_limit = 600; // 10 minutes
if ( ( defined( 'LEARNDASH_PLUGIN_INFO_INTERVAL' ) ) && ( LEARNDASH_PLUGIN_INFO_INTERVAL > 600 ) ) {
$this->plugin_info_cache_time_limit = LEARNDASH_PLUGIN_INFO_INTERVAL;
}
$license = get_option( 'nss_plugin_license_' . $code );
$licenseemail = get_option( 'nss_plugin_license_email_' . $code );
if ( ( empty( $license ) ) || ( empty( $licenseemail ) ) ) {
$this->reset();
} else {
if ( learndash_updates_enabled() ) {
// Build the updater path ONLY if the license and email are not empty. This prevents unnecessary calls to the remote server.
$this->generate_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 3.0.0
*/
public function nss_plugin_license_update() {
if ( ( isset( $_GET['force-check'] ) ) && ( '1' === $_GET['force-check'] ) ) {
delete_option( 'nss_plugin_info_check_' . $this->slug );
delete_option( 'nss_plugin_check_' . $this->slug );
}
// 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 = trim( sanitize_text_field( wp_unslash( $_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 = trim( sanitize_text_field( wp_unslash( $_POST[ 'nss_plugin_license_email_' . $this->code ] ) ) );
}
// Save the posted value in the database.
update_option( 'nss_plugin_license_' . $this->code, trim( $license ), LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
update_option( 'nss_plugin_license_email_' . $this->code, trim( $email ), LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
// try to activate the licensing plugin.
learndash_activate_learndash_hub();
$this->reset();
$this->generate_update_path();
$this->getRemote_license();
?>
<script> window.location = window.location; </script>
<?php
}
}
/**
* Show upgrade notification
*
* @param array $current_plugin_metadata Current metadata.
* @param array $new_plugin_metadata New metadata.
*/
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 ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Need to output HTML.
}
}
/**
* 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( $_GET['force-check'] ) ) && ( '1' === $_GET['force-check'] ) ) {
delete_option( 'nss_plugin_info_check_' . $this->slug );
delete_option( 'nss_plugin_check_' . $this->slug );
}
if ( ( isset( $_REQUEST['page'] ) ) && ( 'nss_plugin_license-' . $this->code . '-settings' === $_REQUEST['page'] ) ||
( isset( $_REQUEST['page'] ) ) && ( 'learndash-setup' === $_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() {
return $this->time_to_recheck_license();
}
public function time_to_recheck_license() {
if ( ( isset( $_REQUEST['pluginupdate'] ) ) && ( $_REQUEST['pluginupdate'] === $this->code ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return true #2' );
return true;
}
$nss_plugin_check = get_option( 'nss_plugin_check_' . $this->slug );
$nss_plugin_check = absint( $nss_plugin_check );
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': nss_plugin_check['. $nss_plugin_check . ']' );
$time_less_interval = $nss_plugin_check + ( $this->plugin_license_cache_time_limit * MINUTE_IN_SECONDS ) - time();
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': time_less_interval['. $time_less_interval . ']' );
if ( $time_less_interval < 0 ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return true #3' );
return true;
}
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return false' );
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 );
delete_option( 'nss_plugin_info_check_' . $this->slug );
}
/**
* Generates the update path for the plugin
*
* @since 4.5.0
*
* @return void
*/
public function generate_update_path() {
$license = get_option( 'nss_plugin_license_' . $this->code );
$licenseemail = get_option( 'nss_plugin_license_email_' . $this->code );
if ( empty( $license ) || empty( $licenseemail ) ) {
return;
}
$this->update_path = add_query_arg(
array(
'pluginupdate' => $this->code,
'licensekey' => rawurlencode( $license ),
'licenseemail' => rawurlencode( $licenseemail ),
'nsspu_wpurl' => rawurlencode( get_bloginfo( 'wpurl' ) ),
'nsspu_admin' => rawurlencode( get_bloginfo( 'admin_email' ) ),
'nsspu_test' => 'TEST',
'current_version' => $this->current_version,
),
$this->update_path_base
);
}
/**
* 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-setup' ), true ) ) {
$notice_shown = true;
if ( learndash_get_license_show_notice() ) {
?>
<div class="<?php echo esc_attr( learndash_get_license_class( 'notice notice-error is-dismissible learndash-license-is-dismissible' ) ); ?>" <?php echo learndash_get_license_data_attrs(); ?>> <?php // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Hardcoded, escaped in function. ?>
<p><?php echo wp_kses_post( learndash_get_license_message( 2 ) ); ?></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 ) {
/** This filter is documented in includes/class-ld-addons-updater.php */
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 wp_kses_post( $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;
}
/**
* 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 mixed $transient Value of transient.
*
* @return object $transient
*/
public function check_update( $transient ) {
if ( ( isset( $_GET['force-check'] ) ) && ( $_GET['force-check'] === $this->code ) ) {
error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return true #2' );
// return true;
}
if ( is_array( $transient ) ) {
$transient = (object) $transient;
}
// If the update_pathis not set then abort.
if ( empty( $this->update_path ) ) {
return $transient;
}
$remote_version = '';
$license = '';
// Get the 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, LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
}
// If a newer version is available, add the update.
if ( ( ! empty( $remote_version ) ) && ( 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;
$obj->url = $this->update_path;
$obj->package = $this->update_path;
$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'] );
}
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;
}
/**
* Get plugin readme
*/
public function get_plugin_readme() {
$override_cache = false;
if ( isset( $_GET['force-check'] ) ) {
$override_cache = true;
}
if ( ! empty( $this->update_path ) ) {
if ( class_exists( 'LearnDash_Addon_Updater' ) ) {
if ( is_null( $this->ld_updater ) ) {
$this->ld_updater = LearnDash_Addon_Updater::get_instance();
}
$this->ld_updater->get_addon_plugins( $override_cache );
return $this->ld_updater->update_plugin_readme( 'learndash-core-readme', $override_cache );
}
}
}
/**
* Get plugin upgrade notice
*
* @param string $admin Which upgrade notice to process.
*/
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, '>' ) ) {
$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>';
}
}
}
} elseif ( '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, '>' ) ) {
$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 bool $false $false.
* @param array $action Action to perform.
* @param object $arg Object of arguments.
*
* @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_license() ) {
$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, LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
$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 ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': update_path['. $this->update_path . ']' );
if ( defined( 'LEARNDASH_UPDATE_HTTP_METHOD' ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': LEARNDASH_UPDATE_HTTP_METHOD['. LEARNDASH_UPDATE_HTTP_METHOD . ']' );
if ( 'post' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_post(
$this->update_path,
array(
'body' => array( 'action' => 'version' ),
'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT,
)
);
} elseif ( 'get' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_get(
$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 ) {
$request_body = wp_remote_retrieve_body( $request );
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': request_body['. $request_body . ']' );
return $request_body;
}
}
return false;
}
/**
* Get information about the remote version, or returns false
*
* @return bool|object
*/
public function getRemote_information() {
$information = get_option( 'nss_plugin_info_' . $this->slug );
if ( ( ! empty( $this->update_path ) ) && ( $this->time_to_recheck_information() ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': update_path['. $this->update_path . ']' );
if ( defined( 'LEARNDASH_UPDATE_HTTP_METHOD' ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': LEARNDASH_UPDATE_HTTP_METHOD['. LEARNDASH_UPDATE_HTTP_METHOD . ']' );
if ( 'post' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_post(
$this->update_path,
array(
'body' => array( 'action' => 'info' ),
'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT,
)
);
} elseif ( 'get' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_get(
$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 ) {
$request_body = wp_remote_retrieve_body( $request );
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': request_body['. $request_body . ']' );
$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;
}
}
}
update_option( 'nss_plugin_info_' . $this->slug, $information, LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
update_option( 'nss_plugin_info_check_' . $this->slug, time(), LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
return $information;
}
}
return $information;
}
/**
* Determines if the plugin should check for plugin information.
*
* @since 3.6.0.3
*
* @return bool
*/
public function time_to_recheck_information() {
if ( ( isset( $_REQUEST['pluginupdate'] ) ) && ( $_REQUEST['pluginupdate'] === $this->code ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return true #1' );
return true;
}
// if ( ( isset( $_GET['force-check'] ) ) && ( $_GET['force-check'] === $this->code ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return true #2' );
// return true;
// }
$nss_plugin_check = get_option( 'nss_plugin_info_check_' . $this->slug );
$nss_plugin_check = absint( $nss_plugin_check );
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': nss_plugin_check['. $nss_plugin_check . ']' );
$time_less_interval = $nss_plugin_check + ( $this->plugin_info_cache_time_limit * MINUTE_IN_SECONDS ) - time();
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': time_less_interval['. $time_less_interval . ']' );
if ( $time_less_interval < 0 ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return true #3' );
return true;
}
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': return false' );
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() {
$license_status = get_option( 'nss_plugin_remote_license_' . $this->slug );
if ( isset( $license_status['value'] ) ) {
$license_status = $license_status['value'];
} else {
$license_status = false;
}
if ( ( ! empty( $this->update_path ) ) && ( $this->time_to_recheck_license() ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': update_path['. $this->update_path . ']' );
if ( defined( 'LEARNDASH_UPDATE_HTTP_METHOD' ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': LEARNDASH_UPDATE_HTTP_METHOD['. LEARNDASH_UPDATE_HTTP_METHOD . ']' );
if ( 'post' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_post(
$this->update_path,
array(
'body' => array( 'action' => 'license' ),
'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT,
)
);
} elseif ( 'get' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_get(
$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 ) {
$request_body = wp_remote_retrieve_body( $request );
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': request_body['. $request_body . ']' );
if ( '1' !== $request_body ) {
$this->reset();
add_action( 'admin_notices', array( &$this, 'admin_notice' ) );
return $license_status;
} else {
$license_status = $request_body;
update_option( 'nss_plugin_check_' . $this->slug, time(), LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
/**
* NOTE: The getRemote_license() does not update the option.
* So we need to do it. And it needs to be set as an array structure.
*/
update_option( 'nss_plugin_remote_license_' . $this->slug, array( 'value' => $license_status ), LEARNDASH_PLUGIN_LICENSE_OPTIONS_AUTOLOAD );
}
return $license_status;
}
}
return $license_status;
}
/**
* 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 ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': update_path['. $this->update_path . ']' );
if ( defined( 'LEARNDASH_UPDATE_HTTP_METHOD' ) ) {
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': LEARNDASH_UPDATE_HTTP_METHOD['. LEARNDASH_UPDATE_HTTP_METHOD . ']' );
if ( 'post' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_post(
$this->update_path,
array(
'body' => array( 'action' => 'current_license' ),
'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT,
)
);
} elseif ( 'get' === LEARNDASH_UPDATE_HTTP_METHOD ) {
$request = wp_remote_get(
$this->update_path,
array(
'body' => array( 'action' => 'current_license' ),
'timeout' => LEARNDASH_HTTP_REMOTE_POST_TIMEOUT,
)
);
}
}
// error_log( 'request<pre>' . print_r( $request, true ) . '</pre>' );
if ( ! is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) === 200 ) {
$request_body = wp_remote_retrieve_body( $request );
// error_log( $_SERVER['SERVER_NAME'] . ': ' . __FUNCTION__ . ': request_body['. $request_body . ']' );
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.', 'learndash' ) );
}
// 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 = $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 esc_attr( $_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 {
if ( learndash_get_license_show_notice() ) {
?>
<div class="<?php echo esc_attr( learndash_get_license_class( 'notice notice-error is-dismissible learndash-license-is-dismissible' ) ); ?>" <?php echo learndash_get_license_data_attrs(); ?>> <?php // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Hardcoded, escaped in function ?>
<p>
<?php
echo learndash_get_license_message(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Hardcoded, escaped in function.
?>
</p>
</div>
<?php
}
}
?>
<p><label for="nss_plugin_license_email_<?php echo esc_attr( $code ); ?>"><?php esc_html_e( 'Email:', 'learndash' ); ?></label><br />
<input id="nss_plugin_license_email_<?php echo esc_attr( $code ); ?>" name="nss_plugin_license_email_<?php echo esc_attr( $code ); ?>" style="min-width:30%" value="<?php // phpcs:ignore Squiz.PHP.EmbeddedPhp.ContentBeforeOpen,Squiz.PHP.EmbeddedPhp.ContentAfterOpen
/** This filter is documented in https://developer.wordpress.org/reference/hooks/format_to_edit/ */
esc_html_e( apply_filters( 'format_to_edit', $email ), 'learndash' ); // phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- WP Core Hook
?>" /></p> <?php // phpcs:ignore Squiz.PHP.EmbeddedPhp.ContentAfterEnd ?>
<p><label ><?php esc_html_e( 'License Key:', 'learndash' ); ?></label><br />
<input id="nss_plugin_license_<?php echo esc_attr( $code ); ?>" name="nss_plugin_license_<?php echo esc_attr( $code ); ?>" style="min-width:30%" value="<?php // phpcs:ignore Squiz.PHP.EmbeddedPhp.ContentBeforeOpen,Squiz.PHP.EmbeddedPhp.ContentAfterOpen
/** This filter is documented in https://developer.wordpress.org/reference/hooks/format_to_edit/ */
esc_html_e( apply_filters( 'format_to_edit', $license ), 'learndash' ); // phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- WP Core Hook
?>" /></p> <?php // phpcs:ignore Squiz.PHP.EmbeddedPhp.ContentAfterEnd ?>
<div class="submit">
<input type="submit" name="update_nss_plugin_license_<?php echo esc_attr( $code ); ?>" value="<?php esc_html_e( 'Update License', 'learndash' ); ?>" class="button button-primary"/>
</div>
</form>
<br><br><br><br>
<div id="nss_license_footer">
<?php
/**
* Fires after the NSS license footer HTML.
*
* The dynamic part of the hook `$code` refers to the slug of the plugin.
*
* @since 2.1.0
*/
do_action( esc_attr( $code ) . '-nss_license_footer' );
?>
</div>
</div>
<?php
}
}
add_action(
'learndash_init',
function() {
learndash_get_updater_instance();
}
);
}
// Poor man's get singleton for now.
/**
* Gets the `nss_plugin_updater_sfwd_lms` instance.
*
* If the instance already exists it returns the existing instance otherwise creates a new instance.
*
* @param bool $force_new Whether to force a new instance. @since 4.0.0
* @return void|nss_plugin_updater_sfwd_lms The `nss_plugin_updater_sfwd_lms` instance.
*/
function learndash_get_updater_instance( $force_new = false ) {
static $updater_sfwd_lms = null;
if ( true === $force_new ) {
if ( ! is_null( $updater_sfwd_lms ) ) {
$updater_sfwd_lms = null;
}
}
if ( ! is_a( $updater_sfwd_lms, 'nss_plugin_updater_sfwd_lms' ) ) {
$nss_plugin_updater_plugin_remote_path = 'https://support.learndash.com/';
// $nss_plugin_updater_plugin_remote_path = 'http://local-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;
}
}
/**
* Checks Whether the learndash license is valid or not.
*
* @since 3.4.0
*
* @return boolean
*/
function learndash_is_learndash_license_valid() {
if ( learndash_is_learndash_hub_active() ) { // new license system.
return learndash_is_license_hub_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();
}
return false;
}
/**
* Get the last license check time
*
* @return int The last license check time.
*/
function learndash_get_last_license_check_time() {
if ( learndash_is_learndash_hub_active() ) { // new license system.
return learndash_get_last_license_hub_check_time();
}
return intval( get_option( 'nss_plugin_check_sfwd_lms', 0 ) );
}
/**
* Utility function to check if we should check for updates.
*
* Updates includes by not limited to:
* License checks, LD core and ProPanel Updates,
* Add-on updates, Translations.
*
* @since 3.1.8
*/
function learndash_updates_enabled() {
$updates_enabled = true;
if ( ( defined( 'LEARNDASH_UPDATES_ENABLED' ) ) && ( true !== LEARNDASH_UPDATES_ENABLED ) ) {
$updates_enabled = false;
}
/**
* Filter for controlling update processing cycle.
*
* @since 3.1.8
*
* @param boolean $updates_enabled true.
* @return boolean True to process updates call. Anything else to abort.
*/
return (bool) apply_filters( 'learndash_updates_enabled', $updates_enabled );
}
/**
* Check if we are showing the license notice.
*
* @since 3.1.8
*/
function learndash_get_license_show_notice() {
if ( ( defined( 'LEARNDASH_LICENSE_PANEL_SHOW' ) ) && ( false === LEARNDASH_LICENSE_PANEL_SHOW ) ) {
return false;
}
if ( ! learndash_updates_enabled() ) {
$current_screen = get_current_screen();
if ( ! in_array( $current_screen->id, array( 'admin_page_nss_plugin_license-sfwd_lms-settings', 'admin_page_learndash-setup' ), true ) ) {
return false;
}
$user_id = get_current_user_id();
if ( ! empty( $user_id ) ) {
$notice_dismissed_timestamp = get_user_meta( $user_id, 'learndash_license_notice_dismissed', true );
$notice_dismissed_timestamp = absint( $notice_dismissed_timestamp );
if ( ( time() - $notice_dismissed_timestamp ) < ( DAY_IN_SECONDS ) ) {
return false;
}
}
}
return true;
}
/**
* Get the license notice message.
*
* @since 3.1.8
*
* @param integer $mode Which message.
*/
function learndash_get_license_message( $mode = 1 ) {
if ( learndash_updates_enabled() ) {
if ( 2 === $mode ) {
$updater_sfwd_lms = learndash_get_updater_instance();
return sprintf(
// translators: placeholders: Plugin name. Plugin update link.
esc_html_x( 'License of your plugin %1$s is invalid or incomplete. Please click %2$s and update your license.', 'placeholders: Plugin name. Plugin update link.', 'learndash' ),
'<strong>' . esc_html( $updater_sfwd_lms->get_plugin_data()->Name ) . '</strong>',
'<a href="' . get_admin_url( null, 'admin.php?page=nss_plugin_license-sfwd_lms-settings' ) . '">' . esc_html__( 'here', 'learndash' ) . '</a>'
);
} elseif ( 1 === $mode ) {
return sprintf(
// translators: placeholder: Link to purchase LearnDash.
esc_html_x( 'Please enter your email and a valid license or %s a license now.', 'placeholder: link to purchase LearnDash', 'learndash' ),
"<a href='http://www.learndash.com/' target='_blank' rel='noreferrer noopener'>" . esc_html__( 'buy', 'learndash' ) . '</a>'
);
}
} else {
return sprintf(
// translators: placeholders: Plugin name. Plugin update link.
esc_html_x( 'LearnDash update and license calls are temporarily disabled. Click %s for more information.', 'placeholders: FAQ update link.', 'learndash' ),
'<a target="_blank" rel="noopener noreferrer" aria-label="' . esc_html__( 'opens in a new tab', 'learndash' ) . '" href="https://www.learndash.com/support/docs/faqs/why-are-the-license-updates-and-license-checks-disabled-on-my-site/">' . esc_html__( 'here', 'learndash' ) . '</a>'
);
}
}
/**
* Get license notice class.
*
* @since 3.1.8
*
* @param string $class Current class.
*/
function learndash_get_license_class( $class = '' ) {
if ( ! learndash_updates_enabled() ) {
$class = 'notice notice-info is-dismissible learndash-updates-disabled-dismissible';
}
return $class;
}
/**
* Get license notice attributes.
*
* @since 3.1.8
*/
function learndash_get_license_data_attrs() {
if ( ! learndash_updates_enabled() ) {
echo ' data-notice-dismiss-nonce="' . esc_attr( wp_create_nonce( 'notice-dismiss-nonce-' . get_current_user_id() ) ) . '" ';
}
}
/**
* AJAX function to handle license notice dismiss action from browser.
*
* @since 3.1.8
*/
function learndash_license_notice_dismissed_ajax() {
$user_id = get_current_user_id();
if ( ! empty( $user_id ) ) {
if ( ( isset( $_POST['action'] ) ) && ( 'learndash_license_notice_dismissed' === $_POST['action'] ) ) {
if ( ( isset( $_POST['learndash_license_notice_dismissed_nonce'] ) ) && ( ! empty( $_POST['learndash_license_notice_dismissed_nonce'] ) ) && ( wp_verify_nonce( $_POST['learndash_license_notice_dismissed_nonce'], 'notice-dismiss-nonce-' . $user_id ) ) ) {
update_user_meta( $user_id, 'learndash_license_notice_dismissed', time() );
}
}
}
die();
}
add_action( 'wp_ajax_learndash_license_notice_dismissed', 'learndash_license_notice_dismissed_ajax' );
/**
* AJAX function to handle hub upgrade notice dismiss action from browser.
*
* @since 4.3.1
*/
function learndash_hub_upgrade_dismissed_ajax() {
$user_id = get_current_user_id();
if ( ! empty( $user_id ) ) {
if ( ( isset( $_POST['action'] ) ) && ( 'learndash_hub_upgrade_dismissed' === $_POST['action'] ) ) {
if ( ( isset( $_POST['learndash_hub_upgrade_dismissed_nonce'] ) ) && ( ! empty( $_POST['learndash_hub_upgrade_dismissed_nonce'] ) ) && ( wp_verify_nonce( $_POST['learndash_hub_upgrade_dismissed_nonce'], 'notice-dismiss-nonce-' . $user_id ) ) ) {
delete_option( 'learndash_show_hub_upgrade_admin_notice' );
}
}
}
die();
}
add_action( 'wp_ajax_learndash_hub_upgrade_dismissed', 'learndash_hub_upgrade_dismissed_ajax' );
/**
* Hide the ProPanel license notice when we have disabled the LD updates.
*
* @since 3.1.8
*/
function learndash_license_hide_propanel_notice() {
if ( ! learndash_updates_enabled() ) {
?>
<style>
p#nss_plugin_updater_admin_notice { display:none !important; }
</style>
<?php
}
}
add_filter( 'admin_footer', 'learndash_license_hide_propanel_notice', 99 );