WIBUHAX0R1337

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<?php
// phpcs:ignoreFile

/**
 * The htaccess rewrite rule operation class
 *
 * @since      1.0.0
 * @package    LiteSpeed
 */

namespace LiteSpeed;

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

class Htaccess extends Root {

private $frontend_htaccess          = null;
	private $_default_frontend_htaccess = null;
	private $backend_htaccess           = null;
	private $_default_backend_htaccess  = null;
	private $theme_htaccess             = null; // Not used yet
	private $frontend_htaccess_readable = false;
	private $frontend_htaccess_writable = false;
	private $backend_htaccess_readable  = false;
	private $backend_htaccess_writable  = false;
	private $theme_htaccess_readable    = false;
	private $theme_htaccess_writable    = false;
	private $__rewrite_on;

const LS_MODULE_START            = '<IfModule LiteSpeed>';
	const EXPIRES_MODULE_START       = '<IfModule mod_expires.c>';
	const LS_MODULE_END              = '</IfModule>';
	const LS_MODULE_REWRITE_START    = '<IfModule mod_rewrite.c>';
	const REWRITE_ON                 = 'RewriteEngine on';
	const LS_MODULE_DONOTEDIT        = '## LITESPEED WP CACHE PLUGIN - Do not edit the contents of this block! ##';
	const MARKER                     = 'LSCACHE';
	const MARKER_NONLS               = 'NON_LSCACHE';
	const MARKER_LOGIN_COOKIE        = '### marker LOGIN COOKIE';
	const MARKER_ASYNC               = '### marker ASYNC';
	const MARKER_CRAWLER             = '### marker CRAWLER';
	const MARKER_MOBILE              = '### marker MOBILE';
	const MARKER_NOCACHE_COOKIES     = '### marker NOCACHE COOKIES';
	const MARKER_NOCACHE_USER_AGENTS = '### marker NOCACHE USER AGENTS';
	const MARKER_CACHE_RESOURCE      = '### marker CACHE RESOURCE';
	const MARKER_BROWSER_CACHE       = '### marker BROWSER CACHE';
	const MARKER_MINIFY              = '### marker MINIFY';
	const MARKER_CORS                = '### marker CORS';
	const MARKER_WEBP                = '### marker WEBP';
	const MARKER_DROPQS              = '### marker DROPQS';
	const MARKER_START               = ' start ###';
	const MARKER_END                 = ' end ###';

/**
	 * Initialize the class and set its properties.
	 *
	 * @since    1.0.7
	 */
	public function __construct() {
		$this->_path_set();
		$this->_default_frontend_htaccess = $this->frontend_htaccess;
		$this->_default_backend_htaccess  = $this->backend_htaccess;

$frontend_htaccess = defined('LITESPEED_CFG_HTACCESS') ? constant('LITESPEED_CFG_HTACCESS') : false;
		if ($frontend_htaccess && substr($frontend_htaccess, -10) === '/.htaccess') {
			$this->frontend_htaccess = $frontend_htaccess;
		}
		$backend_htaccess = defined('LITESPEED_CFG_HTACCESS_BACKEND') ? constant('LITESPEED_CFG_HTACCESS_BACKEND') : false;
		if ($backend_htaccess && substr($backend_htaccess, -10) === '/.htaccess') {
			$this->backend_htaccess = $backend_htaccess;
		}

// Filter for frontend&backend htaccess path
		$this->frontend_htaccess = apply_filters('litespeed_frontend_htaccess', $this->frontend_htaccess);
		$this->backend_htaccess  = apply_filters('litespeed_backend_htaccess', $this->backend_htaccess);

clearstatcache();

// frontend .htaccess privilege
		$test_permissions = file_exists($this->frontend_htaccess) ? $this->frontend_htaccess : dirname($this->frontend_htaccess);
		if (is_readable($test_permissions)) {
			$this->frontend_htaccess_readable = true;
		}
		if (is_writable($test_permissions)) {
			$this->frontend_htaccess_writable = true;
		}

$this->__rewrite_on = array(
			self::REWRITE_ON,
			'CacheLookup on',
			'RewriteRule .* - [E=Cache-Control:no-autoflush]',
			'RewriteRule ' . preg_quote(LITESPEED_DATA_FOLDER) . '/debug/.*\.log$ - [F,L]',
			'RewriteRule ' . preg_quote(self::CONF_FILE) . ' - [F,L]',
		);

// backend .htaccess privilege
		if ($this->frontend_htaccess === $this->backend_htaccess) {
			$this->backend_htaccess_readable = $this->frontend_htaccess_readable;
			$this->backend_htaccess_writable = $this->frontend_htaccess_writable;
		} else {
			$test_permissions = file_exists($this->backend_htaccess) ? $this->backend_htaccess : dirname($this->backend_htaccess);
			if (is_readable($test_permissions)) {
				$this->backend_htaccess_readable = true;
			}
			if (is_writable($test_permissions)) {
				$this->backend_htaccess_writable = true;
			}
		}
	}

/**
	 * Get if htaccess file is readable
	 *
	 * @since 1.1.0
	 * @return string
	 */
	private function _readable( $kind = 'frontend' ) {
		if ($kind === 'frontend') {
			return $this->frontend_htaccess_readable;
		}
		if ($kind === 'backend') {
			return $this->backend_htaccess_readable;
		}
	}

/**
	 * Get if htaccess file is writable
	 *
	 * @since 1.1.0
	 * @return string
	 */
	public function writable( $kind = 'frontend' ) {
		if ($kind === 'frontend') {
			return $this->frontend_htaccess_writable;
		}
		if ($kind === 'backend') {
			return $this->backend_htaccess_writable;
		}
	}

/**
	 * Get frontend htaccess path
	 *
	 * @since 1.1.0
	 * @return string
	 */
	public static function get_frontend_htaccess( $show_default = false ) {
		if ($show_default) {
			return self::cls()->_default_frontend_htaccess;
		}
		return self::cls()->frontend_htaccess;
	}

/**
	 * Get backend htaccess path
	 *
	 * @since 1.1.0
	 * @return string
	 */
	public static function get_backend_htaccess( $show_default = false ) {
		if ($show_default) {
			return self::cls()->_default_backend_htaccess;
		}
		return self::cls()->backend_htaccess;
	}

/**
	 * Check to see if .htaccess exists starting at $start_path and going up directories until it hits DOCUMENT_ROOT.
	 *
	 * As dirname() strips the ending '/', paths passed in must exclude the final '/'
	 *
	 * @since 1.0.11
	 * @access private
	 */
	private function _htaccess_search( $start_path ) {
		while (!file_exists($start_path . '/.htaccess')) {
			if ($start_path === '/' || !$start_path) {
				return false;
			}

if (!empty($_SERVER['DOCUMENT_ROOT']) && wp_normalize_path($start_path) === wp_normalize_path($_SERVER['DOCUMENT_ROOT'])) {
				return false;
			}

if (dirname($start_path) === $start_path) {
				return false;
			}

$start_path = dirname($start_path);
		}

return $start_path;
	}

/**
	 * Set the path class variables.
	 *
	 * @since 1.0.11
	 * @access private
	 */
	private function _path_set() {
		$frontend                 = Router::frontend_path();
		$frontend_htaccess_search = $this->_htaccess_search($frontend); // The existing .htaccess path to be used for frontend .htaccess
		$this->frontend_htaccess  = ($frontend_htaccess_search ?: $frontend) . '/.htaccess';

$backend = realpath(ABSPATH); // /home/user/public_html/backend/
		if ($frontend == $backend) {
			$this->backend_htaccess = $this->frontend_htaccess;
			return;
		}

// Backend is a different path
		$backend_htaccess_search = $this->_htaccess_search($backend);
		// Found affected .htaccess
		if ($backend_htaccess_search) {
			$this->backend_htaccess = $backend_htaccess_search . '/.htaccess';
			return;
		}

// Frontend path is the parent of backend path
		if (stripos($backend, $frontend . '/') === 0) {
			// backend use frontend htaccess
			$this->backend_htaccess = $this->frontend_htaccess;
			return;
		}

$this->backend_htaccess = $backend . '/.htaccess';
	}

/**
	 * Get corresponding htaccess path
	 *
	 * @since 1.1.0
	 * @param  string $kind Frontend or backend
	 * @return string       Path
	 */
	public function htaccess_path( $kind = 'frontend' ) {
		switch ($kind) {
			case 'backend':
            $path = $this->backend_htaccess;
				break;

case 'frontend':
			default:
            $path = $this->frontend_htaccess;
				break;
		}
		return $path;
	}

/**
	 * Get the content of the rules file.
	 *
	 * NOTE: will throw error if failed
	 *
	 * @since 1.0.4
	 * @since  2.9 Used exception for failed reading
	 * @access public
	 */
	public function htaccess_read( $kind = 'frontend' ) {
		$path = $this->htaccess_path($kind);

if (!$path || !file_exists($path)) {
			return "\n";
		}

if (!$this->_readable($kind)) {
			Error::t('HTA_R');
		}

$content = File::read($path);
		if ($content === false) {
			Error::t('HTA_GET');
		}

// Remove ^M characters.
		$content = str_ireplace("\x0D", '', $content);
		return $content;
	}

/**
	 * Try to backup the .htaccess file if we didn't save one before.
	 *
	 * NOTE: will throw error if failed
	 *
	 * @since 1.0.10
	 * @access private
	 */
	private function _htaccess_backup( $kind = 'frontend' ) {
		$path = $this->htaccess_path($kind);

if (!file_exists($path)) {
			return;
		}

if (file_exists($path . '.bk')) {
			return;
		}

$res = copy($path, $path . '.bk');

// Failed to backup, abort
		if (!$res) {
			Error::t('HTA_BK');
		}
	}

/**
	 * Get mobile view rule from htaccess file
	 *
	 * NOTE: will throw error if failed
	 *
	 * @since 1.1.0
	 */
	public function current_mobile_agents() {
		$rules = $this->_get_rule_by(self::MARKER_MOBILE);
		if (!isset($rules[0])) {
			Error::t('HTA_DNF', self::MARKER_MOBILE);
		}

$rule = trim($rules[0]);
		// 'RewriteCond %{HTTP_USER_AGENT} ' . Utility::arr2regex( $cfg[ $id ], true ) . ' [NC]';
		$match = substr($rule, strlen('RewriteCond %{HTTP_USER_AGENT} '), -strlen(' [NC]'));

if (!$match) {
			Error::t('HTA_DNF', __('Mobile Agent Rules', 'litespeed-cache'));
		}

return $match;
	}

/**
	 * Parse rewrites rule from the .htaccess file.
	 *
	 * NOTE: will throw error if failed
	 *
	 * @since 1.1.0
	 * @access public
	 */
	public function current_login_cookie( $kind = 'frontend' ) {
		$rule = $this->_get_rule_by(self::MARKER_LOGIN_COOKIE, $kind);

if (!$rule) {
			Error::t('HTA_DNF', self::MARKER_LOGIN_COOKIE);
		}

if (strpos($rule, 'RewriteRule .? - [E=') !== 0) {
			Error::t('HTA_LOGIN_COOKIE_INVALID');
		}

$rule_cookie = substr($rule, strlen('RewriteRule .? - [E='), -1);

if (LITESPEED_SERVER_TYPE === 'LITESPEED_SERVER_OLS') {
			$rule_cookie = trim($rule_cookie, '"');
		}

// Drop `Cache-Vary:`
		$rule_cookie = substr($rule_cookie, strlen('Cache-Vary:'));

return $rule_cookie;
	}

/**
	 * Get rewrite rules based on the marker
	 *
	 * @since  2.0
	 * @access private
	 */
	private function _get_rule_by( $cond, $kind = 'frontend' ) {
		clearstatcache();
		$path = $this->htaccess_path($kind);
		if (!$this->_readable($kind)) {
			return false;
		}

$rules = File::extract_from_markers($path, self::MARKER);
		if (!in_array($cond . self::MARKER_START, $rules) || !in_array($cond . self::MARKER_END, $rules)) {
			return false;
		}

$key_start = array_search($cond . self::MARKER_START, $rules);
		$key_end   = array_search($cond . self::MARKER_END, $rules);
		if ($key_start === false || $key_end === false) {
			return false;
		}

$results = array_slice($rules, $key_start + 1, $key_end - $key_start - 1);
		if (!$results) {
			return false;
		}

if (count($results) == 1) {
			return trim($results[0]);
		}

return array_filter($results);
	}

/**
	 * Generate browser cache rules
	 *
	 * @since  1.3
	 * @access private
	 * @return array Rules set
	 */
	private function _browser_cache_rules( $cfg ) {
		/**
		 * Add ttl setting
		 *
		 * @since 1.6.3
		 */
		$id    = Base::O_CACHE_TTL_BROWSER;
		$ttl   = $cfg[$id];
		$rules = array(
			self::EXPIRES_MODULE_START,
			// '<FilesMatch "\.(pdf|ico|svg|xml|jpg|jpeg|png|gif|webp|ogg|mp4|webm|js|css|woff|woff2|ttf|eot)(\.gz)?$">',
			'ExpiresActive on',
			'ExpiresByType application/pdf A' . $ttl,
			'ExpiresByType image/x-icon A' . $ttl,
			'ExpiresByType image/vnd.microsoft.icon A' . $ttl,
			'ExpiresByType image/svg+xml A' . $ttl,
			'',
			'ExpiresByType image/jpg A' . $ttl,
			'ExpiresByType image/jpeg A' . $ttl,
			'ExpiresByType image/png A' . $ttl,
			'ExpiresByType image/gif A' . $ttl,
			'ExpiresByType image/webp A' . $ttl,
			'ExpiresByType image/avif A' . $ttl,
			'',
			'ExpiresByType video/ogg A' . $ttl,
			'ExpiresByType audio/ogg A' . $ttl,
			'ExpiresByType video/mp4 A' . $ttl,
			'ExpiresByType video/webm A' . $ttl,
			'',
			'ExpiresByType text/css A' . $ttl,
			'ExpiresByType text/javascript A' . $ttl,
			'ExpiresByType application/javascript A' . $ttl,
			'ExpiresByType application/x-javascript A' . $ttl,
			'',
			'ExpiresByType application/x-font-ttf A' . $ttl,
			'ExpiresByType application/x-font-woff A' . $ttl,
			'ExpiresByType application/font-woff A' . $ttl,
			'ExpiresByType application/font-woff2 A' . $ttl,
			'ExpiresByType application/vnd.ms-fontobject A' . $ttl,
			'ExpiresByType font/ttf A' . $ttl,
			'ExpiresByType font/otf A' . $ttl,
			'ExpiresByType font/woff A' . $ttl,
			'ExpiresByType font/woff2 A' . $ttl,
			'',
			// '</FilesMatch>',
			self::LS_MODULE_END,
		);
		return $rules;
	}

/**
	 * Generate CORS rules for fonts
	 *
	 * @since  1.5
	 * @access private
	 * @return array Rules set
	 */
	private function _cors_rules() {
		return array(
			'<FilesMatch "\.(ttf|ttc|otf|eot|woff|woff2|font\.css)$">',
			'<IfModule mod_headers.c>',
			'Header set Access-Control-Allow-Origin "*"',
			'</IfModule>',
			'</FilesMatch>',
		);
	}

/**
	 * Generate rewrite rules based on settings
	 *
	 * @since  1.3
	 * @access private
	 * @param  array $cfg  The settings to be used for rewrite rule
	 * @return array      Rules array
	 */
	private function _generate_rules( $cfg ) {
		$new_rules               = array();
		$new_rules_nonls         = array();
		$new_rules_backend       = array();
		$new_rules_backend_nonls = array();

// continual crawler
		// $id = Base::O_CRAWLER;
		// if (!empty($cfg[$id])) {
		$new_rules[] = self::MARKER_ASYNC . self::MARKER_START;
		$new_rules[] = 'RewriteCond %{REQUEST_URI} /wp-admin/admin-ajax\.php';
		$new_rules[] = 'RewriteCond %{QUERY_STRING} action=async_litespeed';
		$new_rules[] = 'RewriteRule .* - [E=noabort:1]';
		$new_rules[] = self::MARKER_ASYNC . self::MARKER_END;
		$new_rules[] = '';
		// }

// mobile agents
		$id = Base::O_CACHE_MOBILE_RULES;
		if ((!empty($cfg[Base::O_CACHE_MOBILE]) || !empty($cfg[Base::O_GUEST])) && !empty($cfg[$id])) {
			$new_rules[] = self::MARKER_MOBILE . self::MARKER_START;
			$new_rules[] = 'RewriteCond %{HTTP_USER_AGENT} ' . Utility::arr2regex($cfg[$id], true) . ' [NC]';
			$new_rules[] = 'RewriteRule .* - [E=Cache-Control:vary=%{ENV:LSCACHE_VARY_VALUE}+ismobile]';
			$new_rules[] = self::MARKER_MOBILE . self::MARKER_END;
			$new_rules[] = '';
		}

// nocache cookie
		$id = Base::O_CACHE_EXC_COOKIES;
		if (!empty($cfg[$id])) {
			$new_rules[] = self::MARKER_NOCACHE_COOKIES . self::MARKER_START;
			$new_rules[] = 'RewriteCond %{HTTP_COOKIE} ' . Utility::arr2regex($cfg[$id], true);
			$new_rules[] = 'RewriteRule .* - [E=Cache-Control:no-cache]';
			$new_rules[] = self::MARKER_NOCACHE_COOKIES . self::MARKER_END;
			$new_rules[] = '';
		}

// nocache user agents
		$id = Base::O_CACHE_EXC_USERAGENTS;
		if (!empty($cfg[$id])) {
			$new_rules[] = self::MARKER_NOCACHE_USER_AGENTS . self::MARKER_START;
			$new_rules[] = 'RewriteCond %{HTTP_USER_AGENT} ' . Utility::arr2regex($cfg[$id], true) . ' [NC]';
			$new_rules[] = 'RewriteRule .* - [E=Cache-Control:no-cache]';
			$new_rules[] = self::MARKER_NOCACHE_USER_AGENTS . self::MARKER_END;
			$new_rules[] = '';
		}

// check login cookie
		$vary_cookies = $cfg[Base::O_CACHE_VARY_COOKIES];
		$id           = Base::O_CACHE_LOGIN_COOKIE;
		if (!empty($cfg[$id])) {
			$vary_cookies[] = $cfg[$id];
		}
		if (LITESPEED_SERVER_TYPE === 'LITESPEED_SERVER_OLS') {
			// Need to keep this due to different behavior of OLS when handling response vary header @Sep/22/2018
			if (defined('COOKIEHASH')) {
				$vary_cookies[] = ',wp-postpass_' . COOKIEHASH;
			}
		}
		$vary_cookies = apply_filters('litespeed_vary_cookies', $vary_cookies); // todo: test if response vary header can work in latest OLS, drop the above two lines
		// frontend and backend
		if ($vary_cookies) {
			$env = 'Cache-Vary:' . implode(',', $vary_cookies);
			// if (LITESPEED_SERVER_TYPE === 'LITESPEED_SERVER_OLS') {
			// }
			$env         = '"' . $env . '"';
			$new_rules[] = $new_rules_backend[] = self::MARKER_LOGIN_COOKIE . self::MARKER_START;
			$new_rules[] = $new_rules_backend[] = 'RewriteRule .? - [E=' . $env . ']';
			$new_rules[] = $new_rules_backend[] = self::MARKER_LOGIN_COOKIE . self::MARKER_END;
			$new_rules[] = '';
		}

// CORS font rules
		$id = Base::O_CDN;
		if (!empty($cfg[$id])) {
			$new_rules[] = self::MARKER_CORS . self::MARKER_START;
			$new_rules   = array_merge($new_rules, $this->_cors_rules()); // todo: network
			$new_rules[] = self::MARKER_CORS . self::MARKER_END;
			$new_rules[] = '';
		}

// webp support
		$id = Base::O_IMG_OPTM_WEBP;
		if (!empty($cfg[$id])) {
			$next_gen_format = 'webp';
			if ($cfg[$id] == 2) {
				$next_gen_format = 'avif';
			}
			$new_rules[] = self::MARKER_WEBP . self::MARKER_START;
			// Check for WebP support via HTTP_ACCEPT
			$new_rules[] = 'RewriteCond %{HTTP_ACCEPT} image/' . $next_gen_format . ' [OR]';

// Check for iPhone browsers (version > 13)
			$new_rules[] = 'RewriteCond %{HTTP_USER_AGENT} iPhone\ OS\ (1[4-9]|[2-9][0-9]) [OR]';

// Check for Firefox (version >= 65)
			$new_rules[] = 'RewriteCond %{HTTP_USER_AGENT} Firefox/([6-9][0-9]|[1-9][0-9]{2,})';

// Add vary
			$new_rules[] = 'RewriteRule .* - [E=Cache-Control:vary=%{ENV:LSCACHE_VARY_VALUE}+webp]';
			$new_rules[] = self::MARKER_WEBP . self::MARKER_END;
			$new_rules[] = '';
		}

// drop qs support
		$id = Base::O_CACHE_DROP_QS;
		if (!empty($cfg[$id])) {
			$new_rules[] = self::MARKER_DROPQS . self::MARKER_START;
			foreach ($cfg[$id] as $v) {
				$new_rules[] = 'CacheKeyModify -qs:' . $v;
			}
			$new_rules[] = self::MARKER_DROPQS . self::MARKER_END;
			$new_rules[] = '';
		}

// Browser cache
		$id = Base::O_CACHE_BROWSER;
		if (!empty($cfg[$id])) {
			$new_rules_nonls[]       = $new_rules_backend_nonls[] = self::MARKER_BROWSER_CACHE . self::MARKER_START;
			$new_rules_nonls         = array_merge($new_rules_nonls, $this->_browser_cache_rules($cfg));
			$new_rules_backend_nonls = array_merge($new_rules_backend_nonls, $this->_browser_cache_rules($cfg));
			$new_rules_nonls[]       = $new_rules_backend_nonls[] = self::MARKER_BROWSER_CACHE . self::MARKER_END;
			$new_rules_nonls[]       = '';
		}

// Add module wrapper for LiteSpeed rules
		if ($new_rules) {
			$new_rules = $this->_wrap_ls_module($new_rules);
		}

if ($new_rules_backend) {
			$new_rules_backend = $this->_wrap_ls_module($new_rules_backend);
		}

return array( $new_rules, $new_rules_backend, $new_rules_nonls, $new_rules_backend_nonls );
	}

/**
	 * Add LitSpeed module wrapper with rewrite on
	 *
	 * @since  2.1.1
	 * @access private
	 */
	private function _wrap_ls_module( $rules = array() ) {
		return array_merge(array( self::LS_MODULE_START ), $this->__rewrite_on, array( '' ), $rules, array( self::LS_MODULE_END ));
	}

/**
	 * Insert LitSpeed module wrapper with rewrite on
	 *
	 * @since  2.1.1
	 * @access public
	 */
	public function insert_ls_wrapper() {
		$rules = $this->_wrap_ls_module();
		$this->_insert_wrapper($rules);
	}

/**
	 * wrap rules with module on info
	 *
	 * @since  1.1.5
	 * @param  array $rules
	 * @return array        wrapped rules with module info
	 */
	private function _wrap_do_no_edit( $rules ) {
		// When to clear rules, don't need DONOTEDIT msg
		if ($rules === false || !is_array($rules)) {
			return $rules;
		}

$rules = array_merge(array( self::LS_MODULE_DONOTEDIT ), $rules, array( self::LS_MODULE_DONOTEDIT ));

return $rules;
	}

/**
	 * Write to htaccess with rules
	 *
	 * NOTE: will throw error if failed
	 *
	 * @since  1.1.0
	 * @access private
	 */
	private function _insert_wrapper( $rules = array(), $kind = false, $marker = false ) {
		if ($kind != 'backend') {
			$kind = 'frontend';
		}

// Default marker is LiteSpeed marker `LSCACHE`
		if ($marker === false) {
			$marker = self::MARKER;
		}

$this->_htaccess_backup($kind);

File::insert_with_markers($this->htaccess_path($kind), $this->_wrap_do_no_edit($rules), $marker, true);
	}

/**
	 * Update rewrite rules based on setting
	 *
	 * NOTE: will throw error if failed
	 *
	 * @since 1.3
	 * @access public
	 */
	public function update( $cfg ) {
		list($frontend_rules, $backend_rules, $frontend_rules_nonls, $backend_rules_nonls) = $this->_generate_rules($cfg);

// Check frontend content
		list($rules, $rules_nonls) = $this->_extract_rules();

// Check Non-LiteSpeed rules
		if ($this->_wrap_do_no_edit($frontend_rules_nonls) != $rules_nonls) {
			Debug2::debug('[Rules] Update non-ls frontend rules');
			// Need to update frontend htaccess
			try {
				$this->_insert_wrapper($frontend_rules_nonls, false, self::MARKER_NONLS);
			} catch (\Exception $e) {
				$manual_guide_codes = $this->_rewrite_codes_msg($this->frontend_htaccess, $frontend_rules_nonls, self::MARKER_NONLS);
				Debug2::debug('[Rules] Update Failed');
				throw new \Exception($manual_guide_codes);
			}
		}

// Check LiteSpeed rules
		if ($this->_wrap_do_no_edit($frontend_rules) != $rules) {
			Debug2::debug('[Rules] Update frontend rules');
			// Need to update frontend htaccess
			try {
				$this->_insert_wrapper($frontend_rules);
			} catch (\Exception $e) {
				Debug2::debug('[Rules] Update Failed');
				$manual_guide_codes = $this->_rewrite_codes_msg($this->frontend_htaccess, $frontend_rules);
				throw new \Exception($manual_guide_codes);
			}
		}

if ($this->frontend_htaccess !== $this->backend_htaccess) {
			list($rules, $rules_nonls) = $this->_extract_rules('backend');

// Check Non-LiteSpeed rules for backend
			if ($this->_wrap_do_no_edit($backend_rules_nonls) != $rules_nonls) {
				Debug2::debug('[Rules] Update non-ls backend rules');
				// Need to update frontend htaccess
				try {
					$this->_insert_wrapper($backend_rules_nonls, 'backend', self::MARKER_NONLS);
				} catch (\Exception $e) {
					Debug2::debug('[Rules] Update Failed');
					$manual_guide_codes = $this->_rewrite_codes_msg($this->backend_htaccess, $backend_rules_nonls, self::MARKER_NONLS);
					throw new \Exception($manual_guide_codes);
				}
			}

// Check backend content
			if ($this->_wrap_do_no_edit($backend_rules) != $rules) {
				Debug2::debug('[Rules] Update backend rules');
				// Need to update backend htaccess
				try {
					$this->_insert_wrapper($backend_rules, 'backend');
				} catch (\Exception $e) {
					Debug2::debug('[Rules] Update Failed');
					$manual_guide_codes = $this->_rewrite_codes_msg($this->backend_htaccess, $backend_rules);
					throw new \Exception($manual_guide_codes);
				}
			}
		}

return true;
	}

/**
	 * Get existing rewrite rules
	 *
	 * NOTE: will throw error if failed
	 *
	 * @since  1.3
	 * @access private
	 * @param  string $kind Frontend or backend .htaccess file
	 */
	private function _extract_rules( $kind = 'frontend' ) {
		clearstatcache();
		$path = $this->htaccess_path($kind);
		if (!$this->_readable($kind)) {
			Error::t('E_HTA_R');
		}

$rules       = File::extract_from_markers($path, self::MARKER);
		$rules_nonls = File::extract_from_markers($path, self::MARKER_NONLS);

return array( $rules, $rules_nonls );
	}

/**
	 * Output the msg with rules plain data for manual insert
	 *
	 * @since  1.1.5
	 * @param  string $file
	 * @param  array  $rules
	 * @return string        final msg to output
	 */
	private function _rewrite_codes_msg( $file, $rules, $marker = false ) {
		return sprintf(
			__('<p>Please add/replace the following codes into the beginning of %1$s:</p> %2$s', 'litespeed-cache'),
			$file,
			'<textarea style="width:100%;" rows="10" readonly>' . htmlspecialchars($this->_wrap_rules_with_marker($rules, $marker)) . '</textarea>'
		);
	}

/**
	 * Generate rules plain data for manual insert
	 *
	 * @since  1.1.5
	 */
	private function _wrap_rules_with_marker( $rules, $marker = false ) {
		// Default marker is LiteSpeed marker `LSCACHE`
		if ($marker === false) {
			$marker = self::MARKER;
		}

$start_marker  = "# BEGIN {$marker}";
		$end_marker    = "# END {$marker}";
		$new_file_data = implode("\n", array_merge(array( $start_marker ), $this->_wrap_do_no_edit($rules), array( $end_marker )));

return $new_file_data;
	}

/**
	 * Clear the rules file of any changes added by the plugin specifically.
	 *
	 * @since 1.0.4
	 * @access public
	 */
	public function clear_rules() {
		$this->_insert_wrapper(false); // Use false to avoid do-not-edit msg
		// Clear non ls rules
		$this->_insert_wrapper(false, false, self::MARKER_NONLS);

if ($this->frontend_htaccess !== $this->backend_htaccess) {
			$this->_insert_wrapper(false, 'backend');
			$this->_insert_wrapper(false, 'backend', self::MARKER_NONLS);
		}
	}
}

Nama File / Folder	Size	Action
cdn	--	NONE
data_structure	--	NONE
activation.cls.php	17.437KB	Edit File Delete File Rename
admin-display.cls.php	48.119KB	Edit File Delete File Rename
admin-settings.cls.php	11.116KB	Edit File Delete File Rename
admin.cls.php	5.046KB	Edit File Delete File Rename
api.cls.php	10.437KB	Edit File Delete File Rename
avatar.cls.php	8.682KB	Edit File Delete File Rename
base.cls.php	34.58KB	Edit File Delete File Rename
cdn.cls.php	15.918KB	Edit File Delete File Rename
cloud.cls.php	65.796KB	Edit File Delete File Rename
conf.cls.php	19.53KB	Edit File Delete File Rename
control.cls.php	24.349KB	Edit File Delete File Rename
core.cls.php	21.015KB	Edit File Delete File Rename
crawler-map.cls.php	19.428KB	Edit File Delete File Rename
crawler.cls.php	42.195KB	Edit File Delete File Rename
css.cls.php	15.271KB	Edit File Delete File Rename
data.cls.php	16.49KB	Edit File Delete File Rename
data.upgrade.func.php	3.073KB	Edit File Delete File Rename
db-optm.cls.php	10.341KB	Edit File Delete File Rename
debug2.cls.php	14.17KB	Edit File Delete File Rename
doc.cls.php	4.066KB	Edit File Delete File Rename
error.cls.php	7.383KB	Edit File Delete File Rename
esi.cls.php	27.182KB	Edit File Delete File Rename
file.cls.php	10.569KB	Edit File Delete File Rename
gui.cls.php	36.503KB	Edit File Delete File Rename
health.cls.php	2.831KB	Edit File Delete File Rename
htaccess.cls.php	24.002KB	Edit File Delete File Rename
img-optm.cls.php	65.13KB	Edit File Delete File Rename
import.cls.php	4.292KB	Edit File Delete File Rename
import.preset.cls.php	5.501KB	Edit File Delete File Rename
lang.cls.php	15.06KB	Edit File Delete File Rename
localization.cls.php	3.439KB	Edit File Delete File Rename
media.cls.php	40.368KB	Edit File Delete File Rename
metabox.cls.php	5.316KB	Edit File Delete File Rename
object-cache-wp.cls.php	24.667KB	Edit File Delete File Rename
object-cache.cls.php	20.301KB	Edit File Delete File Rename
object.lib.php	13.31KB	Edit File Delete File Rename
optimize.cls.php	38.663KB	Edit File Delete File Rename
optimizer.cls.php	9.414KB	Edit File Delete File Rename
placeholder.cls.php	14.187KB	Edit File Delete File Rename
purge.cls.php	33.95KB	Edit File Delete File Rename
report.cls.php	6.119KB	Edit File Delete File Rename
rest.cls.php	8.637KB	Edit File Delete File Rename
root.cls.php	13.987KB	Edit File Delete File Rename
router.cls.php	20.568KB	Edit File Delete File Rename
str.cls.php	3.15KB	Edit File Delete File Rename
tag.cls.php	9.259KB	Edit File Delete File Rename
task.cls.php	6.132KB	Edit File Delete File Rename
tool.cls.php	4.217KB	Edit File Delete File Rename
ucss.cls.php	14.374KB	Edit File Delete File Rename
utility.cls.php	21.763KB	Edit File Delete File Rename
vary.cls.php	20.201KB	Edit File Delete File Rename
vpi.cls.php	9.363KB	Edit File Delete File Rename