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($m[1]) - 2);
}
// analyze URI
if (false === strpos($uri, '//') && 0 !== strpos($uri, 'data:')) {
// prepend
if (self::$_prependRelativePath) {
if (w3_is_url(self::$_prependRelativePath)) {
$parse_url = @parse_url(self::$_prependRelativePath);
if ($parse_url && isset($parse_url['host'])) {
$scheme = $parse_url['scheme'];
$host = $parse_url['host'];
$port = isset($parse_url['port']) && $parse_url['port'] != 80 ? ':' . (int) $parse_url['port'] : '';
$path = !empty($parse_url['path']) ? $parse_url['path'] : '/';
$dir_css = preg_replace('~[^/]+$~', '', $path);
$dir_obj = preg_replace('~[^/]+$~', '', $uri);
$dir = ltrim(strpos($dir_obj, '/') === 0 ? w3_realpath($dir_obj) : w3_realpath($dir_css . $dir_obj), '/');
$file = basename($uri);
$uri = sprintf('%s://%s%s/%s/%s', $scheme, $host, $port, $dir, $file);
}
} else {
$uri = self::$_prependRelativePath . $uri;
}
} else {
$uri = self::_rewriteRelative($uri, self::$_currentDir, self::$_docRoot, self::$_symlinks);
if (self::$_prependAbsolutePath) {
$prependAbsolutePath = self::$_prependAbsolutePath;
} elseif (self::$_prependAbsolutePathCallback) {
$prependAbsolutePath = call_user_func(self::$_prependAbsolutePathCallback, $uri);
} else {
$prependAbsolutePath = '';
}
if ($prependAbsolutePath) {
$uri = rtrim($prependAbsolutePath, '/') . $uri;
}
}
if (self::$_browserCacheId && count(self::$_browserCacheExtensions)) {
$matches = null;
if (preg_match('~\\.([a-z-_]+)(\\?.*)?$~', $uri, $matches)) {
$extension = $matches[1];
$query = isset($matches[2]) ? $matches[2] : '';
if ($extension && in_array($extension, self::$_browserCacheExtensions)) {
$uri = w3_remove_query($uri);
$uri .= ($query ? '&' : '?') . self::$_browserCacheId;
}
}
}
}
return $isImport ? "@import {$quoteChar}{$uri}{$quoteChar}" : "url({$quoteChar}{$uri}{$quoteChar})";
}
/**
* Checks if path is restricted by open_basedir
*
* @param string $path
* @return boolean
*/
function w3_check_open_basedir($path)
{
$path = w3_realpath($path);
$open_basedirs = w3_get_open_basedirs();
if (!count($open_basedirs)) {
return true;
}
foreach ($open_basedirs as $open_basedir) {
if (strstr($path, $open_basedir) !== false) {
return true;
}
}
return false;
}
/**
* Returns page key
*
* @param string $request_uri
* @param string $compression
* @return string
*/
function _get_page_key($request_uri, $compression)
{
if ($this->_config->get_string('pgcache.engine') == 'file_pgcache') {
$request_uri = preg_replace('~\\?.*$~', '', $request_uri);
$request_uri = str_replace('/index.php', '/', $request_uri);
$request_uri = preg_replace('~[/\\\\]+~', '/', $request_uri);
$request_uri = w3_realpath($request_uri);
if (empty($request_uri)) {
$request_uri = '/';
}
if (substr($request_uri, -1) == '/') {
$request_uri .= 'index.html';
}
$request_uri = ltrim($request_uri, '/');
$key = sprintf('%s/%s', $_SERVER['HTTP_HOST'], $request_uri);
if (!empty($compression)) {
$key .= '.' . $compression;
}
} else {
$blog_id = w3_get_blog_id();
if (empty($blog_id)) {
$blog_id = $_SERVER['HTTP_HOST'];
}
$key = sprintf('w3tc_%s_page_%s', md5($blog_id), md5($request_uri));
if (!empty($compression)) {
$key .= '_' . $compression;
}
}
return $key;
}
private static function _processUriCB($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($m[1]) - 2);
}
// analyze URI
if (false === strpos($uri, '//') && 0 !== strpos($uri, 'data:')) {
if (self::$_prependPath !== null) {
if (w3_is_url(self::$_prependPath)) {
$parse_url = @parse_url(self::$_prependPath);
if ($parse_url && isset($parse_url['host'])) {
$scheme = $parse_url['scheme'];
$host = $parse_url['host'];
$port = isset($parse_url['port']) && $parse_url['port'] != 80 ? ':' . (int) $parse_url['port'] : '';
$path = !empty($parse_url['path']) ? $parse_url['path'] : '/';
$dir_css = preg_replace('~[^/]+$~', '', $path);
$dir_obj = preg_replace('~[^/]+$~', '', $uri);
$dir = ltrim(strpos($dir_obj, '/') === 0 ? w3_realpath($dir_obj) : w3_realpath($dir_css . $dir_obj), '/');
$file = basename($uri);
$uri = sprintf('%s://%s%s/%s%s', $scheme, $host, $port, $dir, $file);
}
} else {
$uri = self::$_prependPath . $uri;
}
} else {
$uri = self::rewriteRelative($uri, self::$_currentDir, self::$_docRoot, self::$_symlinks);
}
}
return $isImport ? "@import {$quoteChar}{$uri}{$quoteChar}" : "url({$quoteChar}{$uri}{$quoteChar})";
}
