Your IP : 216.73.216.138
<?php
/**
* Loader for the legacy Licensing and Management plugin.
*
* @since 4.18.0
*
* @package LearnDash\Core
*/
namespace LearnDash\Core\Modules\Licensing\Legacy;
/**
* Legacy Licensing and Management plugin loader class.
*
* @since 4.18.0
*/
class Loader {
/**
* Transient key to know when we should show a notice saying we deactivated the legacy plugin.
*
* @since 4.18.0
*
* @var string
*/
private const DEACTIVATED_NOTICE_TRANSIENT = 'learndash_legacy_licensing_plugin_deactivated';
/**
* If the Licensing module has not been loaded (via the legacy plugin, or otherwise) load it.
*
* @since 4.18.0
*
* @return void
*/
public function load(): void {
if ( $this->is_loaded() ) {
return;
}
$licensing_module_path = LEARNDASH_LMS_PLUGIN_DIR . '/includes/licensing/' . Resolver::$plugin_file;
if ( ! file_exists( $licensing_module_path ) ) {
return;
}
require_once $licensing_module_path;
}
/**
* If a legacy installation of Licensing and Management is found on the site, deactivate it.
*
* @since 4.18.0
*
* @return void
*/
public function deactivate(): void {
if ( ! Resolver::is_plugin_active() ) {
return;
}
deactivate_plugins( Resolver::get_plugin_path() );
set_transient(
self::DEACTIVATED_NOTICE_TRANSIENT,
true,
HOUR_IN_SECONDS
);
$referrer = wp_get_referer();
$redirect_destination = $this->get_redirect( $referrer );
if ( $redirect_destination === false ) {
return;
}
// Force a redirect to unload the legacy plugin right away.
wp_safe_redirect( $redirect_destination );
exit;
}
/**
* Show a notice after deactivating the legacy Licensing and Management plugin.
*
* @since 4.18.0
*
* @return void
*/
public function show_deactivated_notice(): void {
if ( ! get_transient( self::DEACTIVATED_NOTICE_TRANSIENT ) ) {
return;
}
printf(
'<div class="notice notice-info is-dismissible"><p>%s</p></div>',
wp_kses(
sprintf(
// translators: HTML for a link to documentation.
__( "It looks like you had LearnDash Licensing & Management active. We've deactivated it for you because it is no longer needed. %1\$sLearn more%2\$s", 'learndash' ),
'<a href="https://go.learndash.com/lm" target="_blank">',
'</a>'
),
[
'a' => [
'href' => true,
'target' => true,
],
]
)
);
delete_transient( self::DEACTIVATED_NOTICE_TRANSIENT );
}
/**
* Determines whether the code is already loaded.
*
* @since 4.18.0
*
* @return bool
*/
private function is_loaded(): bool {
return defined( Resolver::$plugin_basename_constant );
}
/**
* Given a referrer, determine where they should be redirected to after deactivating
* the legacy Licensing and Management plugin.
*
* @since 4.18.0
*
* @param string|false $referrer Referrer. Should match valid output of wp_get_referer().
*
* @return string|false Redirect destination. Empty string to refresh the page, false when they should not be redirected at all.
*/
private function get_redirect( $referrer ) {
if ( $referrer === false ) {
return '';
}
$redirect_to_plugins_list = [
admin_url( 'update.php' ), // Updating by uploading a ZIP.
admin_url( 'update-core.php' ), // Updating via the "Update Plugins" workflow in the WordPress Dashboard.
];
/**
* Some cases are special and we don't want to redirect.
*
* Particularly, any time when an update is applied via AJAX (LearnDash LMS -> Add-ons and inline updates on
* the Plugins List page) could cause the user to be "trapped" until they attempt to navigate away twice unless
* we specifically ensure these referrers are not redirected.
*/
$never_redirect = [
add_query_arg( // Updating via LearnDash LMS -> Add-ons.
[
'page' => 'learndash-hub',
],
admin_url( 'admin.php' )
),
admin_url( 'plugins.php' ), // Updating inline or via bulk actions on the Plugins List page.
];
$check_array_for_referrer = function ( $search_array ) use ( $referrer ) {
return ! empty(
array_filter(
array_map(
function ( $current_referrer ) use ( $referrer ) {
return strpos( $referrer, $current_referrer ) !== false;
},
$search_array
)
)
);
};
if ( $check_array_for_referrer( $redirect_to_plugins_list ) ) {
return admin_url( 'plugins.php' );
}
if ( $check_array_for_referrer( $never_redirect ) ) {
return false;
}
return $referrer;
}
}