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<?php
/**
* Reports Legacy ProPanel Support.
*
* @since 4.17.0
*
* @package LearnDash\Core
*/
namespace LearnDash\Core\Modules\Reports;
use LearnDash\Core\Utilities\Cast;
/**
* Reports Legacy ProPanel Support.
*
* @since 4.17.0
*/
class ProPanel2 {
/**
* Legacy plugin directory Path Constant.
*
* @since 4.17.0
*
* @var string
*/
private const PLUGIN_DIRECTORY_CONSTANT = 'LD_PP_PLUGIN_DIR';
/**
* Legacy plugin directory name default.
*
* @since 4.17.0
*
* @var string
*/
private const PLUGIN_DIRECTORY_DEFAULT = 'learndash-propanel';
/**
* Legacy plugin file name.
*
* @since 4.17.0
*
* @var string
*/
private const PLUGIN_FILE = 'learndash_propanel.php';
/**
* If a plugin exists at the legacy plugin location and it is at least this version, it should not be deactivated.
*
* @since 4.17.0
*
* @var string
*/
private const PLUGIN_SAFE_VERSION = '3.0.0-dev';
/**
* If a legacy installation of ProPanel is found on the site, deactivate it.
*
* @since 4.17.0
*
* @return void
*/
public function deactivate(): void {
if ( ! $this->is_legacy_plugin_active() ) {
return;
}
deactivate_plugins( $this->get_legacy_plugin_path() );
$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;
}
/**
* If the Reports module has not been loaded (via the legacy plugin, or otherwise) load it.
*
* @since 4.17.0
*
* @return void
*/
public function load(): void {
if ( $this->is_loaded() ) {
return;
}
$reports_module_path = LEARNDASH_LMS_PLUGIN_DIR . '/includes/reports/' . self::PLUGIN_FILE;
if ( ! file_exists( $reports_module_path ) ) {
return;
}
require_once $reports_module_path;
}
/**
* Determines whether the Legacy Plugin is active.
*
* @since 4.17.0
*
* @return bool
*/
private function is_legacy_plugin_active(): bool {
if ( $this->is_safe_plugin_version() ) {
return false;
}
$legacy_plugin_path = $this->get_legacy_plugin_path();
if ( ! function_exists( 'is_plugin_active' ) ) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
}
return is_plugin_active( $legacy_plugin_path )
|| is_plugin_active_for_network( $legacy_plugin_path );
}
/**
* Determines whether the code is already loaded.
*
* @since 4.17.0
*
* @return bool
*/
private function is_loaded(): bool {
return defined( self::PLUGIN_DIRECTORY_CONSTANT );
}
/**
* Returns the Legacy Plugin path, relative to /wp-content/plugins.
*
* @since 4.17.0
*
* @return string
*/
private function get_legacy_plugin_path(): string {
return Cast::to_string(
preg_replace(
'/^' .
preg_quote(
trailingslashit(
wp_normalize_path( constant( 'WP_PLUGIN_DIR' ) )
),
'/'
) .
'/',
'',
trailingslashit(
wp_normalize_path(
defined( self::PLUGIN_DIRECTORY_CONSTANT )
? constant( self::PLUGIN_DIRECTORY_CONSTANT )
: self::PLUGIN_DIRECTORY_DEFAULT
)
)
)
) . self::PLUGIN_FILE;
}
/**
* Check if the installed plugin version is new enough to be safe.
*
* @since 4.17.0
*
* @return bool
*/
private function is_safe_plugin_version(): bool {
$full_legacy_plugin_path = trailingslashit(
wp_normalize_path( constant( 'WP_PLUGIN_DIR' ) )
) . $this->get_legacy_plugin_path();
if ( ! file_exists( $full_legacy_plugin_path ) ) {
// Fallback if the plugin is not installed.
return false;
}
if ( ! function_exists( 'get_plugin_data' ) ) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
}
$plugin_data = get_plugin_data( $full_legacy_plugin_path, false, false );
return Cast::to_bool(
version_compare(
$plugin_data['Version'],
self::PLUGIN_SAFE_VERSION,
'>='
)
);
}
/**
* Given a referrer, determine where they should be redirected to after deactivating the legacy ProPanel plugin.
*
* @since 4.17.0
*
* @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;
}
}