Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/litespeed-wp-plugin/4.4/litespeed-cache/lib/css-min/urirewriter.cls.php

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<?php /** * Rewrite file-relative URIs as root-relative in CSS files * * @package Minify * @author Stephen Clay <steve@mrclay.org> / namespace LiteSpeed\Lib\CSS_MIN ; defined( 'WPINC' ) \|\| exit ; class UriRewriter { /* * rewrite() and rewriteRelative() append debugging information here * * @var string / public static $debugText = ''; /* * In CSS content, rewrite file relative URIs as root relative * * @param string $css * * @param string $currentDir The directory of the current CSS file. * * @param string $docRoot The document root of the web site in which * the CSS file resides (default = $_SERVER['DOCUMENT_ROOT']). * * @param array $symlinks (default = array()) If the CSS file is stored in * a symlink-ed directory, provide an array of link paths to * target paths, where the link paths are within the document root. Because * paths need to be normalized for this to work, use "//" to substitute * the doc root in the link paths (the array keys). E.g.: * <code> * array('//symlink' => '/real/target/path') // unix * array('//static' => 'D:\\staticStorage') // Windows * </code> * * @return string / public static function rewrite($css, $currentDir, $docRoot = null, $symlinks = array()) { self::$_docRoot = self::_realpath( $docRoot ? $docRoot : $_SERVER['DOCUMENT_ROOT'] ); self::$_currentDir = self::_realpath($currentDir); self::$_symlinks = array(); // normalize symlinks in order to map to link foreach ($symlinks as $link => $target) { $link = ($link === '//') ? self::$_docRoot : str_replace('//', self::$_docRoot . '/', $link); $link = strtr($link, '/', DIRECTORY_SEPARATOR); self::$_symlinks[$link] = self::_realpath($target); } self::$debugText .= "docRoot : " . self::$_docRoot . "\n" . "currentDir : " . self::$_currentDir . "\n"; if (self::$_symlinks) { self::$debugText .= "symlinks : " . var_export(self::$_symlinks, 1) . "\n"; } self::$debugText .= "\n"; $css = self::_trimUrls($css); $css = self::_owlifySvgPaths($css); // rewrite $pattern = '/@import\\s+([\'"])(.?)[\'"]/'; $css = preg_replace_callback($pattern, __CLASS__ . '::_processUriCB', $css); $pattern = '/url\$\\s([\'"](.?)[\'"]\|[^\$\\s]+)\\s\\)/'; $css = preg_replace_callback($pattern, __CLASS__ . '::_processUriCB', $css); $css = self::_unOwlify($css); return $css; } /* * In CSS content, prepend a path to relative URIs * * @param string $css * * @param string $path The path to prepend. * * @return string / public static function prepend($css, $path) { self::$_prependPath = $path; $css = self::_trimUrls($css); $css = self::_owlifySvgPaths($css); // append $pattern = '/@import\\s+([\'"])(.?)[\'"]/'; $css = preg_replace_callback($pattern, __CLASS__ . '::_processUriCB', $css); $pattern = '/url\$\\s([\'"](.?)[\'"]\|[^\$\\s]+)\\s\\)/'; $css = preg_replace_callback($pattern, __CLASS__ . '::_processUriCB', $css); $css = self::_unOwlify($css); self::$_prependPath = null; return $css; } /* * Get a root relative URI from a file relative URI * * <code> * UriRewriter::rewriteRelative( * '../img/hello.gif' * , '/home/user/www/css' // path of CSS file * , '/home/user/www' // doc root * ); * // returns '/img/hello.gif' * * // example where static files are stored in a symlinked directory * UriRewriter::rewriteRelative( * 'hello.gif' * , '/var/staticFiles/theme' * , '/home/user/www' * , array('/home/user/www/static' => '/var/staticFiles') * ); * // returns '/static/theme/hello.gif' * </code> * * @param string $uri file relative URI * * @param string $realCurrentDir realpath of the current file's directory. * * @param string $realDocRoot realpath of the site document root. * * @param array $symlinks (default = array()) If the file is stored in * a symlink-ed directory, provide an array of link paths to * real target paths, where the link paths "appear" to be within the document * root. E.g.: * <code> * array('/home/foo/www/not/real/path' => '/real/target/path') // unix * array('C:\\htdocs\\not\\real' => 'D:\\real\\target\\path') // Windows * </code> * * @return string / public static function rewriteRelative($uri, $realCurrentDir, $realDocRoot, $symlinks = array()) { // prepend path with current dir separator (OS-independent) $path = strtr($realCurrentDir, '/', DIRECTORY_SEPARATOR); $path .= DIRECTORY_SEPARATOR . strtr($uri, '/', DIRECTORY_SEPARATOR); self::$debugText .= "file-relative URI : {$uri}\n" . "path prepended : {$path}\n"; // "unresolve" a symlink back to doc root foreach ($symlinks as $link => $target) { if (0 === strpos($path, $target)) { // replace $target with $link $path = $link . substr($path, strlen($target)); self::$debugText .= "symlink unresolved : {$path}\n"; break; } } // strip doc root $path = substr($path, strlen($realDocRoot)); self::$debugText .= "docroot stripped : {$path}\n"; // fix to root-relative URI $uri = strtr($path, '/\\', '//'); $uri = self::removeDots($uri); self::$debugText .= "traversals removed : {$uri}\n\n"; return $uri; } /* * Remove instances of "./" and "../" where possible from a root-relative URI * * @param string $uri * * @return string / public static function removeDots($uri) { $uri = str_replace('/./', '/', $uri); // inspired by patch from Oleg Cherniy do { $uri = preg_replace('@/[^/]+/\\.\\./@', '/', $uri, 1, $changed); } while ($changed); return $uri; } /* * Get realpath with any trailing slash removed. If realpath() fails, * just remove the trailing slash. * * @param string $path * * @return mixed path with no trailing slash / protected static function _realpath($path) { $realPath = realpath($path); if ($realPath !== false) { $path = $realPath; } return rtrim($path, '/\\'); } /* * Directory of this stylesheet * * @var string / private static $_currentDir = ''; /* * DOC_ROOT * * @var string / private static $_docRoot = ''; /* * directory replacements to map symlink targets back to their * source (within the document root) E.g. '/var/www/symlink' => '/var/realpath' * * @var array / private static $_symlinks = array(); /* * Path to prepend * * @var string / private static $_prependPath = null; /* * @param string $css * * @return string / private static function _trimUrls($css) { $pattern = '/ url\$ # url( \\s ([^\$]+?) # 1 = URI (assuming does not contain ")") \\s* \\) # ) /x'; return preg_replace($pattern, 'url($1)', $css); } /** * @param array $m * * @return string / private static function _processUriCB($m) { // $m matched either '/@import\\s+([\'"])(.?)[\'"]/' or '/url\$\\s([^\$\\s]+)\\s\\)/' $isImport = ($m[0][0] === '@'); // determine URI and the quote character (if any) if ($isImport) { $quoteChar = $m[1]; $uri = $m[2]; } else { // $m[1] is either quoted or not $quoteChar = ($m[1][0] === "'" \|\| $m[1][0] === '"') ? $m[1][0] : ''; $uri = ($quoteChar === '') ? $m[1] : substr($m[1], 1, strlen($m[1]) - 2); } if ($uri === '') { return $m[0]; } // if not root/scheme relative and not starts with scheme if (!preg_match('~^(/\|[a-z]+\:)~', $uri)) { // URI is file-relative: rewrite depending on options if (self::$_prependPath === null) { $uri = self::rewriteRelative($uri, self::$_currentDir, self::$_docRoot, self::$_symlinks); } else { $uri = self::$_prependPath . $uri; if ($uri[0] === '/') { $root = ''; $rootRelative = $uri; $uri = $root . self::removeDots($rootRelative); } elseif (preg_match('@^((https?\:)?//([^/]+))/@', $uri, $m) && (false !== strpos($m[3], '.'))) { $root = $m[1]; $rootRelative = substr($uri, strlen($root)); $uri = $root . self::removeDots($rootRelative); } } } if ($isImport) { return "@import {$quoteChar}{$uri}{$quoteChar}"; } else { return "url({$quoteChar}{$uri}{$quoteChar})"; } } /** * Mungs some inline SVG URL declarations so they won't be touched * * @link https://github.com/mrclay/minify/issues/517 * @see _unOwlify * * @param string $css * @return string / private static function _owlifySvgPaths($css) { $pattern = '~\b((?:clip-path\|mask\|-webkit-mask)\s\:\s)url($\s#\w+\s$)~'; return preg_replace($pattern, '$1owl$2', $css); } /* * Undo work of _owlify * * @see _owlifySvgPaths * * @param string $css * @return string / private static function _unOwlify($css) { $pattern = '~\b((?:clip-path\|mask\|-webkit-mask)\s\:\s*)owl~'; return preg_replace($pattern, '$1url', $css); } }

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