FM / src

/home/vianto5/distritosatelite.mx/wp-content/plugins/litespeed-cache/src/

/home/vianto5/distritosatelite.mx/wp-content/plugins/litespeed-cache/src

Name	Size	Mode	Actions
cdn/	-	0755	rm
data_structure/	-	0755	rm
activation.cls.php	18040	0644	edit dl rm
admin-display.cls.php	50109	0644	edit dl rm
admin-settings.cls.php	13078	0644	edit dl rm
admin.cls.php	6276	0644	edit dl rm
api.cls.php	10151	0644	edit dl rm
avatar.cls.php	9461	0644	edit dl rm
base.cls.php	38747	0644	edit dl rm
cdn.cls.php	18183	0644	edit dl rm
cloud-auth-callback.trait.php	23887	0644	edit dl rm
cloud-auth-ip.trait.php	2094	0644	edit dl rm
cloud-auth.trait.php	9360	0644	edit dl rm
cloud-misc.trait.php	11123	0644	edit dl rm
cloud-node.trait.php	6090	0644	edit dl rm
cloud-queue-svc.cls.php	9642	0644	edit dl rm
cloud-request.trait.php	19723	0644	edit dl rm
cloud.cls.php	8848	0644	edit dl rm
conf.cls.php	20000	0644	edit dl rm
control.cls.php	24913	0644	edit dl rm
core.cls.php	22046	0644	edit dl rm
crawler-map.cls.php	22833	0644	edit dl rm
crawler.cls.php	44989	0644	edit dl rm
css.cls.php	7034	0644	edit dl rm
data.cls.php	22733	0644	edit dl rm
data.upgrade.func.php	6564	0644	edit dl rm
db-optm.cls.php	15716	0644	edit dl rm
debug2.cls.php	18832	0644	edit dl rm
doc.cls.php	5577	0644	edit dl rm
error.cls.php	7530	0644	edit dl rm
esi.cls.php	32795	0644	edit dl rm
file.cls.php	20472	0644	edit dl rm
guest.cls.php	2263	0644	edit dl rm
gui.cls.php	35817	0644	edit dl rm
health.cls.php	4694	0644	edit dl rm
htaccess.cls.php	30526	0644	edit dl rm
img-optm-manage.trait.php	30627	0644	edit dl rm
img-optm-notify.trait.php	9113	0644	edit dl rm
img-optm-pull.trait.php	13963	0644	edit dl rm
img-optm-send.trait.php	21545	0644	edit dl rm
img-optm.cls.php	5265	0644	edit dl rm
img.cls.php	11427	0644	edit dl rm
import.cls.php	4372	0644	edit dl rm
import.preset.cls.php	5610	0644	edit dl rm
lang.cls.php	17430	0644	edit dl rm
localization.cls.php	3941	0644	edit dl rm
media.cls.php	45117	0644	edit dl rm
metabox.cls.php	5419	0644	edit dl rm
object-cache-wp.cls.php	19268	0644	edit dl rm
object-cache.cls.php	22346	0644	edit dl rm
object.lib.php	14180	0644	edit dl rm
optimax.cls.php	12429	0644	edit dl rm
optimize.cls.php	39335	0644	edit dl rm
optimizer.cls.php	12973	0644	edit dl rm
placeholder.cls.php	17950	0644	edit dl rm
purge.cls.php	36330	0644	edit dl rm
report.cls.php	7668	0644	edit dl rm
rest.cls.php	10404	0644	edit dl rm
root.cls.php	15018	0644	edit dl rm
router.cls.php	21362	0644	edit dl rm
str.cls.php	3156	0644	edit dl rm
tag.cls.php	9481	0644	edit dl rm
task.cls.php	9193	0644	edit dl rm
tool.cls.php	4687	0644	edit dl rm
ucss.cls.php	7451	0644	edit dl rm
utility.cls.php	28493	0644	edit dl rm
vary.cls.php	21842	0644	edit dl rm
vpi.cls.php	4212	0644	edit dl rm

Edit: /home/vianto5/distritosatelite.mx/wp-content/plugins/litespeed-cache/src/debug2.cls.php (18832B)

<?php
/**
 * The plugin logging class.
 *
 * @package LiteSpeed
 * @since 1.1.2
 */

namespace LiteSpeed;

defined( 'WPINC' ) || exit();

/**
 * Centralized debug logging utilities for LiteSpeed Cache.
 */
class Debug2 extends Root {

/**
	 * Active log file path.
	 *
	 * @var string
	 */
	private static $log_path;

/**
	 * Directory prefix for all log files.
	 *
	 * @var string
	 */
	private static $log_path_prefix;

/**
	 * Request-specific log line prefix.
	 *
	 * @var string
	 */
	private static $_prefix;

const TYPE_CLEAR_LOG    = 'clear_log';
	const TYPE_BETA_TEST    = 'beta_test';
	const TYPE_DOWNLOAD_LOG = 'download_log';

const BETA_TEST_URL = 'beta_test_url';

const BETA_TEST_URL_WP = 'https://downloads.wordpress.org/plugin/litespeed-cache.zip';

/**
	 * Constructor.
	 *
	 * NOTE: until LSCWP_LOG is defined, calls to WP filters are not logged to
	 * avoid a recursion loop inside log_filters().
	 *
	 * @since 1.1.2
	 * @access public
	 */
	public function __construct() {
		self::$log_path_prefix = LITESPEED_STATIC_DIR . '/debug/';
		// Maybe move legacy log files
		$this->_maybe_init_folder();

self::$log_path = $this->path( 'debug' );

$ua = isset( $_SERVER['HTTP_USER_AGENT'] )
			? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) )
			: '';

if ( '' !== $ua && 0 === strpos( $ua, 'lscache_' ) ) {
			self::$log_path = $this->path( 'crawler' );
		}

! defined( 'LSCWP_LOG_TAG' ) && define( 'LSCWP_LOG_TAG', get_current_blog_id() );

if ( $this->conf( Base::O_DEBUG_LEVEL ) ) {
			! defined( 'LSCWP_LOG_MORE' ) && define( 'LSCWP_LOG_MORE', true );
		}

defined( 'LSCWP_DEBUG_EXC_STRINGS' ) || define( 'LSCWP_DEBUG_EXC_STRINGS', $this->conf( Base::O_DEBUG_EXC_STRINGS ) );
	}

/**
	 * Disable all functionalities temporarily (toggle).
	 *
	 * @since 7.4
	 * @access public
	 *
	 * @param int $time How long (in seconds) to disable LSC functions.
	 */
	public static function tmp_disable( $time = 86400 ) {
		$conf     = Conf::cls();
		$disabled = self::cls()->conf( Base::DEBUG_TMP_DISABLE );

if ( 0 === $disabled ) {
			$conf->update_confs( [ Base::DEBUG_TMP_DISABLE => time() + (int) $time ] );
			self::debug2( 'LiteSpeed Cache temporary disabled.' );
			return;
		}

$conf->update_confs( [ Base::DEBUG_TMP_DISABLE => 0 ] );
		self::debug2( 'LiteSpeed Cache reactivated.' );
	}

/**
	 * Is the temporary disable active? If expired, re-enable.
	 *
	 * @since 7.4
	 * @access public
	 *
	 * @return bool
	 */
	public static function is_tmp_disable() {
		$disabled_time = self::cls()->conf( Base::DEBUG_TMP_DISABLE );

if ( 0 === $disabled_time ) {
			return false;
		}

if ( time() < (int) $disabled_time ) {
			return true;
		}

Conf::cls()->update_confs( [ Base::DEBUG_TMP_DISABLE => 0 ] );
		return false;
	}

/**
	 * Ensure log directory exists and move legacy logs into it.
	 *
	 * @since 6.5
	 * @access private
	 */
	private function _maybe_init_folder() {
		if ( file_exists( self::$log_path_prefix . 'index.php' ) ) {
			return;
		}

File::save( self::$log_path_prefix . 'index.php', '<?php // Silence is golden.', true );

$logs = [ 'debug', 'debug.purge', 'crawler' ];
		foreach ( $logs as $log ) {
			$old_path = LSCWP_CONTENT_DIR . '/' . $log . '.log';
			$new_path = $this->path( $log );
			if ( file_exists( $old_path ) && ! file_exists( $new_path ) ) {
				// phpcs:ignore WordPress.WP.AlternativeFunctions.rename_rename -- Moving legacy log files during migration
				rename( $old_path, $new_path );
			}
		}
	}

/**
	 * Get absolute path for a log type.
	 *
	 * @since 6.5
	 * @param string $type Log type (debug|purge|crawler).
	 * @return string
	 */
	public function path( $type ) {
		return self::$log_path_prefix . self::FilePath( $type );
	}

/**
	 * Get fixed filename for a log type.
	 *
	 * @since 6.5
	 * @param string $type Log type (debug|debug.purge|crawler).
	 * @return string
	 */
	public static function FilePath( $type ) {
		if ( 'debug.purge' === $type ) {
			$type = 'purge';
		}
		$key  = defined( 'AUTH_KEY' ) ? AUTH_KEY : md5( __FILE__ );
		$rand = substr( md5( substr( $key, -16 ) ), -16 );
		return $type . $rand . '.log';
	}

/**
	 * Write end-of-request markers and response timing.
	 *
	 * @since 4.7
	 * @access public
	 * @return void
	 */
	public static function ended() {
		$headers = headers_list();
		foreach ( $headers as $key => $header ) {
			if ( 0 === stripos( $header, 'Set-Cookie' ) ) {
				unset( $headers[ $key ] );
			}
		}
		self::debug( 'Response headers', $headers );

$elapsed_time = number_format( ( microtime( true ) - LSCWP_TS_0 ) * 1000, 2 );
		self::debug( "End response\n--------------------------------------------------Duration: " . $elapsed_time . " ms------------------------------\n" );
	}

/**
	 * Run beta test upgrade. Accepts a direct ZIP URL or attempts to derive one.
	 *
	 * @since 2.9.5
	 * @access public
	 *
	 * @param string|false $zip ZIP URL or false to read from request.
	 * @return void
	 */
	public function beta_test( $zip = false ) {
		if ( ! $zip ) {
			// phpcs:ignore WordPress.Security.NonceVerification.Recommended
			if ( empty( $_REQUEST[ self::BETA_TEST_URL ] ) ) {
				return;
			}

// phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$zip = sanitize_text_field( wp_unslash( $_REQUEST[ self::BETA_TEST_URL ] ) );
			if ( self::BETA_TEST_URL_WP !== $zip ) {
				if ( 'latest' === $zip ) {
					$zip = self::BETA_TEST_URL_WP;
				} else {
					// Generate zip url
					$zip = $this->_package_zip( $zip );
				}
			}
		}

if ( ! $zip ) {
			self::debug( '[Debug2] ❌  No ZIP file' );
			return;
		}

self::debug( '[Debug2] ZIP file ' . $zip );

$update_plugins = get_site_transient( 'update_plugins' );
		if ( ! is_object( $update_plugins ) ) {
			$update_plugins = new \stdClass();
		}

$plugin_info              = new \stdClass();
		$plugin_info->new_version = Core::VER;
		$plugin_info->slug        = Core::PLUGIN_NAME;
		$plugin_info->plugin      = Core::PLUGIN_FILE;
		$plugin_info->package     = $zip;
		$plugin_info->url         = 'https://wordpress.org/plugins/litespeed-cache/';

$update_plugins->response[ Core::PLUGIN_FILE ] = $plugin_info;

set_site_transient( 'update_plugins', $update_plugins );

Activation::cls()->upgrade();
	}

/**
	 * Resolve a GitHub commit-ish into a downloadable ZIP URL via QC API.
	 *
	 * @since 2.9.5
	 * @access private
	 *
	 * @param string $commit Commit hash/branch/tag.
	 * @return string|false
	 */
	private function _package_zip( $commit ) {
		$data = [
			'commit' => $commit,
		];
		$res  = Cloud::get( Cloud::API_BETA_TEST, $data );

if ( empty( $res['zip'] ) ) {
			return false;
		}

return $res['zip'];
	}

/**
	 * Write purge headers into a dedicated purge log.
	 *
	 * @since 2.7
	 * @access public
	 *
	 * @param string $purge_header The Purge header value.
	 * @return void
	 */
	public static function log_purge( $purge_header ) {
		if ( ! defined( 'LSCWP_LOG' ) && ! defined( 'LSCWP_LOG_BYPASS_NOTADMIN' ) ) {
			return;
		}

$purge_file = self::cls()->path( 'purge' );

self::cls()->_init_request( $purge_file );

$msg = $purge_header . self::_backtrace_info( 6 );

File::append( $purge_file, self::format_message( $msg ) );
	}

/**
	 * Initialize logging for current request if enabled.
	 *
	 * @since 1.1.0
	 * @access public
	 * @return void
	 */
	public function init() {
		if ( defined( 'LSCWP_LOG' ) ) {
			return;
		}

$debug = $this->conf( Base::O_DEBUG );
		if ( Base::VAL_ON2 === $debug ) {
			if ( ! $this->cls( 'Router' )->is_admin_ip() ) {
				defined( 'LSCWP_LOG_BYPASS_NOTADMIN' ) || define( 'LSCWP_LOG_BYPASS_NOTADMIN', true );
				return;
			}
		}

/**
		 * Check if hit URI includes/excludes
		 * This is after LSCWP_LOG_BYPASS_NOTADMIN to make `log_purge()` still work
		 *
		 * @since  3.0
		 */
		$list = $this->conf( Base::O_DEBUG_INC );
		if ( $list ) {
			$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
			$result      = REST::str_hit_uri( $request_uri, $list );
			if ( ! $result ) {
				return;
			}
		}

$list = $this->conf( Base::O_DEBUG_EXC );
		if ( $list ) {
			$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
			$result      = REST::str_hit_uri( $request_uri, $list );
			if ( $result ) {
				return;
			}
		}

if ( ! defined( 'LSCWP_LOG' ) ) {
			$this->_init_request();
			define( 'LSCWP_LOG', true );
		}
	}

/**
	 * Create the initial log record with request context.
	 *
	 * @since 1.0.12
	 * @access private
	 *
	 * @param string|null $log_file Optional specific log file path.
	 * @return void
	 */
	private function _init_request( $log_file = null ) {
		if ( ! $log_file ) {
			$log_file = self::$log_path;
		}

// Rotate if exceeding configured size (MiB).
		$log_file_size = (int) $this->conf( Base::O_DEBUG_FILESIZE );
		if ( file_exists( $log_file ) && filesize( $log_file ) > $log_file_size * 1000000 ) {
			File::save( $log_file, '' );
		}

// Add extra spacing if last write was > 2 seconds ago.
		if ( file_exists( $log_file ) && ( time() - filemtime( $log_file ) ) > 2 ) {
			File::append( $log_file, "\n\n\n\n" );
		}

if ( 'cli' === PHP_SAPI ) {
			return;
		}

$servervars = array(
			'Query String' => '',
			'HTTP_ACCEPT' => '',
			'HTTP_USER_AGENT' => '',
			'HTTP_ACCEPT_ENCODING' => '',
			'HTTP_COOKIE' => '',
			'REQUEST_METHOD' => '',
			'SERVER_PROTOCOL' => '',
			'X-LSCACHE' => '',
			'LSCACHE_VARY_COOKIE' => '',
			'LSCACHE_VARY_VALUE' => '',
			'ESI_CONTENT_TYPE' => '',
		);
		$server     = array_merge($servervars, $_SERVER);
		$params     = array();

if ( isset( $_SERVER['HTTPS'] ) && 'on' === $_SERVER['HTTPS'] ) {
			$server['SERVER_PROTOCOL'] .= ' (HTTPS) ';
		}

$param = sprintf('💓 ------%s %s %s', $server['REQUEST_METHOD'], $server['SERVER_PROTOCOL'], strtok($server['REQUEST_URI'], '?'));

$qs = !empty($server['QUERY_STRING']) ? $server['QUERY_STRING'] : '';
		if ( $this->conf( Base::O_DEBUG_COLLAPSE_QS ) ) {
			$qs = $this->_omit_long_message( $qs );
			if ( $qs ) {
				$param .= ' ? ' . $qs;
			}
			$params[] = $param;
		} else {
			$params[] = $param;
			$params[] = 'Query String: ' . $qs;
		}

if ( ! empty( $server['HTTP_REFERER'] ) ) {
			$params[] = 'HTTP_REFERER: ' . $this->_omit_long_message( $server['HTTP_REFERER'] );
		}

if ( defined( 'LSCWP_LOG_MORE' ) ) {
			$params[] = 'User Agent: ' . $this->_omit_long_message( $server['HTTP_USER_AGENT'] );
			$params[] = 'Accept: ' . $server['HTTP_ACCEPT'];
			$params[] = 'Accept Encoding: ' . $server['HTTP_ACCEPT_ENCODING'];
		}

if ( isset( $_COOKIE['_lscache_vary'] ) ) {
			$params[] = 'Cookie _lscache_vary: ' . sanitize_text_field( wp_unslash( $_COOKIE['_lscache_vary'] ) );
		}

if ( defined( 'LSCWP_LOG_MORE' ) ) {
			$params[] = 'X-LSCACHE: ' . ( ! empty( $server['X-LSCACHE'] ) ? 'true' : 'false' );
		}
		if ( $server['LSCACHE_VARY_COOKIE'] ) {
			$params[] = 'LSCACHE_VARY_COOKIE: ' . $server['LSCACHE_VARY_COOKIE'];
		}
		if ( $server['LSCACHE_VARY_VALUE'] ) {
			$params[] = 'LSCACHE_VARY_VALUE: ' . $server['LSCACHE_VARY_VALUE'];
		}
		if ( $server['ESI_CONTENT_TYPE'] ) {
			$params[] = 'ESI_CONTENT_TYPE: ' . $server['ESI_CONTENT_TYPE'];
		}

$request = array_map( __CLASS__ . '::format_message', $params );

File::append( $log_file, $request );
	}

/**
	 * Trim long message to keep logs compact.
	 *
	 * @since 6.3
	 * @param string $msg Message.
	 * @return string
	 */
	private function _omit_long_message( $msg ) {
		if ( strlen( $msg ) > 53 ) {
			$msg = substr( $msg, 0, 53 ) . '...';
		}
		return $msg;
	}

/**
	 * Format a single log line with timestamp and prefix.
	 *
	 * @since 1.0.12
	 * @access private
	 *
	 * @param string $msg Message to log.
	 * @return string Formatted line.
	 */
	private static function format_message( $msg ) {
		if ( ! defined( 'LSCWP_LOG_TAG' ) ) {
			return $msg . "\n";
		}

if ( ! isset( self::$_prefix ) ) {
			// address/identity.
			if ( 'cli' === PHP_SAPI ) {
				$addr = '=CLI=';
				if ( isset( $_SERVER['USER'] ) ) {
					$addr .= sanitize_text_field( wp_unslash( $_SERVER['USER'] ) );
				} elseif ( ! empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
					$addr .= sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_FORWARDED_FOR'] ) );
				}
			} else {
				$ip   = isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : '';
				$port = isset( $_SERVER['REMOTE_PORT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_PORT'] ) ) : '';
				$addr = "$ip:$port";
			}

self::$_prefix = sprintf( ' [%s %s %s] ', $addr, LSCWP_LOG_TAG, Str::rrand( 3 ) );
		}

list( $usec, $sec ) = explode( ' ', microtime() );

// Use gmdate to avoid tz-related warnings; apply offset if defined.
		$ts = gmdate( 'm/d/y H:i:s', (int) $sec + ( defined( 'LITESPEED_TIME_OFFSET' ) ? (int) LITESPEED_TIME_OFFSET : 0 ) );

return $ts . substr( $usec, 1, 4 ) . self::$_prefix . $msg . "\n";
	}

/**
	 * Log a debug message.
	 *
	 * @since 1.1.3
	 * @access public
	 *
	 * @param string    $msg             Message to write.
	 * @param int|array $backtrace_limit Depth for backtrace or payload to append.
	 * @return void
	 */
	public static function debug( $msg, $backtrace_limit = false ) {
		if ( ! defined( 'LSCWP_LOG' ) ) {
			return;
		}

if ( defined( 'LSCWP_DEBUG_EXC_STRINGS' ) && Utility::str_hit_array( $msg, LSCWP_DEBUG_EXC_STRINGS ) ) {
			return;
		}

if ( false !== $backtrace_limit ) {
			if ( ! is_numeric( $backtrace_limit ) ) {
				$backtrace_limit = self::trim_longtext( $backtrace_limit );
				if ( is_array( $backtrace_limit ) && 1 === count( $backtrace_limit ) && ! empty( $backtrace_limit[0] ) ) {
					$msg .= ' --- ' . $backtrace_limit[0];
				} else {
					// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_export
					$msg .= ' --- ' . var_export( $backtrace_limit, true );
				}
				self::push( $msg );
				return;
			}

self::push( $msg, (int) $backtrace_limit + 1 );
			return;
		}

self::push( $msg );
	}

/**
	 * Trim strings inside arrays/object dumps to reasonable length.
	 *
	 * @since 3.3
	 * @param mixed $backtrace_limit Data to trim.
	 * @return mixed
	 */
	public static function trim_longtext( $backtrace_limit ) {
		if ( is_array( $backtrace_limit ) ) {
			$backtrace_limit = array_map( __CLASS__ . '::trim_longtext', $backtrace_limit );
		}
		if ( is_string( $backtrace_limit ) && strlen( $backtrace_limit ) > 500 ) {
			$backtrace_limit = substr( $backtrace_limit, 0, 1000 ) . '...';
		}
		return $backtrace_limit;
	}

/**
	 * Log a verbose debug message (requires O_DEBUG_LEVEL).
	 *
	 * @since 1.2.0
	 * @access public
	 *
	 * @param string    $msg             Message.
	 * @param int|array $backtrace_limit Backtrace depth or payload to append.
	 * @return void
	 */
	public static function debug2( $msg, $backtrace_limit = false ) {
		if ( ! defined( 'LSCWP_LOG_MORE' ) ) {
			return;
		}
		self::debug( $msg, $backtrace_limit );
	}

/**
	 * Append a message to the active log file.
	 *
	 * @since 1.1.0
	 * @access private
	 *
	 * @param string   $msg             Message.
	 * @param int|bool $backtrace_limit Backtrace depth.
	 * @return void
	 */
	private static function push( $msg, $backtrace_limit = false ) {
		if ( defined( 'LSCWP_LOG_MORE' ) && false !== $backtrace_limit ) {
			$msg .= self::_backtrace_info( (int) $backtrace_limit );
		}

File::append( self::$log_path, self::format_message( $msg ) );
	}

/**
	 * Create a compact backtrace string.
	 *
	 * @since 2.7
	 * @access private
	 *
	 * @param int $backtrace_limit Depth.
	 * @return string
	 */
	private static function _backtrace_info( $backtrace_limit ) {
		$msg   = '';
		$limit = (int) $backtrace_limit;

// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_debug_backtrace
		$trace = debug_backtrace( false, $limit + 3 );

for ( $i = 2; $i <= $limit + 2; $i++ ) {
			// 0 => _backtrace_info(), 1 => push().
			if ( empty( $trace[ $i ]['class'] ) ) {
				if ( empty( $trace[ $i ]['file'] ) ) {
					break;
				}
				$log = "\n" . $trace[ $i ]['file'];
			} else {
				if ( __CLASS__ === $trace[ $i ]['class'] ) {
					continue;
				}

$args = '';
				if ( ! empty( $trace[ $i ]['args'] ) ) {
					foreach ( $trace[ $i ]['args'] as $v ) {
						if ( is_array( $v ) ) {
							$v = 'ARRAY';
						}
						if ( is_string( $v ) || is_numeric( $v ) ) {
							$args .= $v . ',';
						}
					}
					$args = substr( $args, 0, strlen( $args ) > 100 ? 100 : -1 );
				}

$log = str_replace( 'Core', 'LSC', $trace[ $i ]['class'] ) . $trace[ $i ]['type'] . $trace[ $i ]['function'] . '(' . $args . ')';
			}

if ( ! empty( $trace[ $i - 1 ]['line'] ) ) {
				$log .= '@' . $trace[ $i - 1 ]['line'];
			}
			$msg .= " => $log";
		}

return $msg;
	}

/**
	 * Clear all log files (debug|purge|crawler).
	 *
	 * @since 1.6.6
	 * @access private
	 * @return void
	 */
	private function _clear_log() {
		$logs = [ 'debug', 'purge', 'crawler' ];
		foreach ( $logs as $log ) {
			File::save( $this->path( $log ), '' );
		}
	}

/**
	 * Download a log file.
	 *
	 * @since 7.0
	 * @access private
	 * @return void
	 */
	private function _download_log() {
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Nonce verified in Router::verify_type()
		$log_type = isset( $_GET['log'] ) ? sanitize_text_field( wp_unslash( $_GET['log'] ) ) : '';

$valid_logs = [ 'debug', 'purge', 'crawler' ];
		if ( ! in_array( $log_type, $valid_logs, true ) ) {
			wp_die( esc_html__( 'Invalid log type.', 'litespeed-cache' ) );
		}

$file = $this->path( $log_type );
		if ( ! file_exists( $file ) ) {
			wp_die( esc_html__( 'Log file not found.', 'litespeed-cache' ) );
		}

$filename = 'litespeed-' . $log_type . '-' . gmdate( 'Y-m-d_His' ) . '.log';

header( 'Content-Type: text/plain; charset=utf-8' );
		header( 'Content-Disposition: attachment; filename="' . $filename . '"' );
		header( 'Content-Length: ' . filesize( $file ) );
		header( 'Cache-Control: no-cache, no-store, must-revalidate' );
		header( 'Pragma: no-cache' );
		header( 'Expires: 0' );

// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile -- Direct file output for download
		readfile( $file );
		exit;
	}

/**
	 * Handle requests routed to this class.
	 *
	 * @since 1.6.6
	 * @access public
	 * @return void
	 */
	public function handler() {
		$type = Router::verify_type();

switch ( $type ) {
			case self::TYPE_CLEAR_LOG:
            $this->_clear_log();
				break;

case self::TYPE_BETA_TEST:
            $this->beta_test();
				break;

case self::TYPE_DOWNLOAD_LOG:
            $this->_download_log();
				return; // _download_log() calls exit, but return here for clarity

default:
				break;
		}

Admin::redirect();
	}
}

cmd: