/**
* Uncompresses a minify auto filename into an array of files.
* @param $compressed
* @param $type
* @return array
*/
function uncompress_minify_files($compressed, $type)
{
$no_type_files = array();
$compressed = basename($compressed, '.' . $type);
$uncompressed = $this->_uncompress(base64_decode(strtr($compressed, '-_', '+/')));
$exploded = explode(',', $uncompressed);
$replacements = $this->_minify_path_replacements();
foreach ($exploded as $file) {
if (!w3_is_url($file)) {
$prefix = substr($file, 0, 1);
$after_pre = substr($file, 1, 1);
if (isset($replacements[$prefix]) && $after_pre == '/') {
$file = $replacements[$prefix] . substr($file, 1);
$no_type_files[] = $file;
} else {
$no_type_files[] = $file;
}
} else {
$no_type_files[] = $file;
}
}
$files = array();
foreach ($no_type_files as $no_type_file) {
$file = !w3_is_url($no_type_file) ? $no_type_file . '.' . $type : $no_type_file;
$verified = false;
if (w3_is_url($file)) {
$external = $this->_config->get_array('minify.cache.files');
foreach ($external as $ext) {
if (preg_match('#' . w3_get_url_regexp($ext) . '#', $file) && !$verified) {
$verified = true;
}
}
if (!$verified) {
$this->error(sprintf('Remote file not in external files/libraries list: "%s"', $file));
}
} elseif (strpos($file, '..') != false || strpos($file, '//') !== false || strpos($file, '\\') !== false && strtoupper(substr(PHP_OS, 0, 3)) != 'WIN' || preg_match('/(?:^|[^\\.])\\.\\//', $file) || !preg_match('/^[a-zA-Z0-9_.\\/-]|[\\\\]+$/', $file)) {
$verified = false;
$this->error(sprintf('File path invalid: "%s"', $file));
} else {
$verified = true;
}
if ($verified) {
$files[] = $file;
}
}
return $files;
}
/**
* URL file filter
*
* @param string $file
* @return bool
*/
function _filter_files($file)
{
static $external;
$ext = strrchr($file, '.');
if ($ext != '.js' && $ext != '.css') {
return false;
}
if (!isset($external)) {
$external = $this->_config->get_array('minify.cache.files');
}
foreach ($external as $ext) {
if (preg_match('#' . w3_get_url_regexp($ext) . '#', $file)) {
return true;
}
}
if (w3_is_url($file)) {
return false;
}
$path = w3_get_document_root() . '/' . $file;
if (!file_exists($path)) {
return false;
}
return true;
}
/**
* Set up groups of files as sources
*
* @param array $options controller and Minify options
* @return array Minify options
*
*/
public function setupSources($options)
{
// filter controller options
$cOptions = array_merge(array('allowDirs' => '//', 'groupsOnly' => false, 'groups' => array(), 'maxFiles' => 100), isset($options['minApp']) ? $options['minApp'] : array());
unset($options['minApp']);
$sources = array();
if (isset($_GET['g'])) {
// try groups
if (!isset($cOptions['groups'][$_GET['g']])) {
$this->log("A group configuration for \"{$_GET['g']}\" was not set");
return $options;
}
$files = $cOptions['groups'][$_GET['g']];
// if $files is a single object, casting will break it
if (is_object($files)) {
$files = array($files);
} elseif (!is_array($files)) {
$files = (array) $files;
}
foreach ($files as $file) {
if ($file instanceof Minify_Source) {
$sources[] = $file;
continue;
}
if (0 === strpos($file, '//')) {
$file = $_SERVER['DOCUMENT_ROOT'] . substr($file, 1);
}
$realPath = realpath($file);
if (is_file($realPath)) {
$sources[] = new Minify_Source(array('filepath' => $realPath));
} else {
$this->log("The path \"{$realPath}\" could not be found (or was not a file)");
continue;
}
}
} elseif (!$cOptions['groupsOnly'] && isset($_GET['f'])) {
$config = w3_instance('W3_Config');
$external = $config->get_array('minify.cache.files');
$files = $_GET['f'];
$temp_files = array();
$external_files = 0;
foreach ($files as $file) {
if (!is_string($file)) {
$url = $file->minifyOptions['prependRelativePath'];
$verified = false;
foreach ($external as $ext) {
if (preg_match('#' . w3_get_url_regexp($ext) . '#', $url) && !$verified) {
$verified = true;
}
}
if (!$verified) {
$this->log("GET['f'] param part invalid, not in accepted external files list: \"{$url}\"");
return $options;
}
$external_files++;
} else {
$temp_files[] = $file;
}
}
if ($temp_files) {
$imploded = implode(',', $temp_files);
if (!preg_match('/^[^,]+\\.(css|js)(?:,[^,]+\\.\\1)*$/', $imploded) || strpos($imploded, '//') !== false || strpos($imploded, '\\') !== false || preg_match('/(?:^|[^\\.])\\.\\//', $imploded)) {
$this->log("GET['f'] param part invalid: \"{$imploded}\"");
return $options;
}
}
if (count($files) > $cOptions['maxFiles'] || count($files) - $external_files != count(array_unique($temp_files))) {
$this->log("Too many or duplicate files specified: \"" . implode(', ', $temp_files) . "\"");
return $options;
}
if (!empty($_GET['b'])) {
// check for validity
if (preg_match('@^[^/]+(?:/[^/]+)*$@', $_GET['b']) && false === strpos($_GET['b'], '..') && $_GET['b'] !== '.') {
// valid base
$base = "/{$_GET['b']}/";
} else {
$this->log("GET['b'] param invalid: \"{$_GET['b']}\"");
return $options;
}
} else {
$base = '/';
}
$allowDirs = array();
foreach ((array) $cOptions['allowDirs'] as $allowDir) {
$allowDirs[] = realpath(str_replace('//', $_SERVER['DOCUMENT_ROOT'] . '/', $allowDir));
}
foreach ($files as $file) {
if ($file instanceof Minify_Source) {
$sources[] = $file;
continue;
}
$path = $_SERVER['DOCUMENT_ROOT'] . $base . $file;
$file = realpath($path);
if (false === $file) {
$this->log("Path \"{$path}\" failed realpath()");
return $options;
} elseif (!parent::_fileIsSafe($file, $allowDirs)) {
$this->log("Path \"{$path}\" failed Minify_Controller_Base::_fileIsSafe()");
return $options;
} else {
$sources[] = new Minify_Source(array('filepath' => $file));
}
}
}
if ($sources) {
$this->sources = $sources;
} else {
$this->log("No sources to serve");
}
return $options;
}
/**
* Returns home url regexp
*
* @return string
*/
function w3_get_home_url_regexp()
{
$home_url = w3_get_home_url();
$regexp = w3_get_url_regexp($home_url);
return $regexp;
}
/**
* Gets regexp for minified files
*
* @return string
*/
function _minify_url_regexp($filename_mask)
{
$minify_base_url = w3_filename_to_url(w3_cache_blog_dir('minify'));
$matches = null;
if (!preg_match('~((https?://)?([^/]+))(.+)~i', $minify_base_url, $matches)) {
return '';
}
$protocol_domain_regexp = w3_get_url_regexp($matches[1]);
$path_regexp = w3_preg_quote($matches[4]);
$regexp = '(' . '(' . $protocol_domain_regexp . ')?' . '(' . $path_regexp . $filename_mask . ')' . ')';
return $regexp;
}
/**
* URL file filter
*
* @param string $file
* @return bool
*/
public function is_file_for_minification($file)
{
static $external;
$ext = strrchr($file, '.');
if ($ext != '.js' && $ext != '.css') {
return false;
}
if (!isset($external)) {
$external = $this->config->get_array('minify.cache.files');
}
foreach ($external as $ext) {
if (preg_match('#' . w3_get_url_regexp($ext) . '#', $file)) {
return true;
}
}
if (w3_is_url($file)) {
return false;
}
/** @var W3_MinifyFileTool $file_tool */
$file_tool = w3_instance('W3_MinifyFileTool');
$file_tool->setDocumentRoot(w3_get_document_root());
if (!$file_tool->fileExists($file)) {
return false;
}
return true;
}
/**
* @param $domain_url_regexp
* @param $baseurl
* @param $upload_info
* @param $regexps
* @return array
*/
private function make_uploads_regexes($domain_url_regexp, $baseurl, $upload_info, $regexps)
{
if (preg_match('~' . $domain_url_regexp . '~i', $baseurl)) {
$regexps[] = '~(["\'(])\\s*((' . $domain_url_regexp . ')?(' . w3_preg_quote($upload_info['baseurlpath']) . '([^"\')>]+)))~';
} else {
$parsed = @parse_url($baseurl);
$upload_url_domain_regexp = isset($parsed['host']) ? w3_get_url_regexp($parsed['scheme'] . '://' . $parsed['host']) : $domain_url_regexp;
$baseurlpath = isset($parsed['path']) ? rtrim($parsed['path'], '/') : '';
if ($baseurlpath) {
$regexps[] = '~(["\'])\\s*((' . $upload_url_domain_regexp . ')?(' . w3_preg_quote($baseurlpath) . '([^"\'>]+)))~';
} else {
$regexps[] = '~(["\'])\\s*((' . $upload_url_domain_regexp . ')(([^"\'>]+)))~';
}
}
return $regexps;
}
