/**
* Set up groups of files as sources
*
* @param array $options controller and Minify options
* @return array Minify options
*
*/
public function setupSources($options)
{
// PHP insecure by default: realpath() and other FS functions can't handle null bytes.
if (isset($_GET['files'])) {
$_GET['files'] = str_replace("", '', (string) $_GET['files']);
}
self::_setupDefines();
if (MINIFY_USE_CACHE) {
$cacheDir = defined('MINIFY_CACHE_DIR') ? MINIFY_CACHE_DIR : '';
Minify0_Minify::setCache($cacheDir);
}
$options['badRequestHeader'] = 'HTTP/1.0 404 Not Found';
$options['contentTypeCharset'] = MINIFY_ENCODING;
// The following restrictions are to limit the URLs that minify will
// respond to. Ideally there should be only one way to reference a file.
if (!isset($_GET['files']) || !preg_match('/^[^,]+\\.(css|js)(,[^,]+\\.\\1)*$/', $_GET['files'], $m) || strpos($_GET['files'], '//') !== false || strpos($_GET['files'], '\\') !== false || preg_match('/(?:^|[^\\.])\\.\\//', $_GET['files'])) {
return $options;
}
$files = explode(',', $_GET['files']);
if (count($files) > MINIFY_MAX_FILES) {
return $options;
}
// strings for prepending to relative/absolute paths
$prependRelPaths = dirname($_SERVER['SCRIPT_FILENAME']) . DIRECTORY_SEPARATOR;
$prependAbsPaths = $_SERVER['DOCUMENT_ROOT'];
$goodFiles = array();
$hasBadSource = false;
$allowDirs = isset($options['allowDirs']) ? $options['allowDirs'] : MINIFY_BASE_DIR;
foreach ($files as $file) {
// prepend appropriate string for abs/rel paths
$file = ($file[0] === '/' ? $prependAbsPaths : $prependRelPaths) . $file;
// make sure a real file!
$file = realpath($file);
// don't allow unsafe or duplicate files
if (parent::_fileIsSafe($file, $allowDirs) && !in_array($file, $goodFiles)) {
$goodFiles[] = $file;
$srcOptions = array('filepath' => $file);
$this->sources[] = new Minify_Source($srcOptions);
} else {
$hasBadSource = true;
break;
}
}
if ($hasBadSource) {
$this->sources = array();
}
if (!MINIFY_REWRITE_CSS_URLS) {
$options['rewriteCssUris'] = false;
}
return $options;
}
/**
* Runs minify
*
* @param string|null $file
*
* @return void
*/
function process($file = NULL, $quiet = false)
{
/**
* Check for rewrite test request
*/
$rewrite_marker = 'rewrite_test.css';
if (substr($file, strlen($file) - strlen($rewrite_marker)) == $rewrite_marker) {
echo 'Minify OK';
exit;
}
$filelength_test_marker = 'XXX.css';
if (substr($file, strlen($file) - strlen($filelength_test_marker)) == $filelength_test_marker) {
$cache = $this->_get_cache();
header('Content-type: text/css');
if (!$cache->store(basename($file), array('content' => 'content ok'))) {
echo 'error storing';
} else {
if (function_exists('gzencode') && $this->_config->get_boolean('browsercache.enabled') && $this->_config->get_boolean('browsercache.cssjs.compression')) {
if (!$cache->store(basename($file) . '.gzip', array('content' => gzencode('content ok')))) {
echo 'error storing';
exit;
}
}
$v = $cache->fetch(basename($file));
if ($v['content'] == 'content ok') {
echo 'content ok';
} else {
echo 'error storing';
}
}
exit;
}
// remove querystring
if (preg_match('~(.+)(\\?x[0-9]{5})$~', $file, $m)) {
$file = $m[1];
}
// remove blog_id
$levels = '';
if (defined('W3TC_BLOG_LEVELS')) {
for ($n = 0; $n < W3TC_BLOG_LEVELS; $n++) {
$levels .= '[0-9]+\\/';
}
}
if (preg_match('~^(' . $levels . '[0-9]+)\\/(.+)$~', $file, $matches)) {
$file = $matches[2];
}
// normalize according to browsercache
$file = Dispatcher::requested_minify_filename($this->_config, $file);
// parse file
$hash = '';
$matches = null;
$location = '';
$type = '';
if (preg_match('~^' . MINIFY_AUTO_FILENAME_REGEX . '$~', $file, $matches)) {
list(, $hash, $type) = $matches;
} elseif (preg_match('~^' . MINIFY_MANUAL_FILENAME_REGEX . '$~', $file, $matches)) {
list(, $theme, $template, $location, , , $type) = $matches;
} else {
return $this->finish_with_error(sprintf('Bad file param format: "%s"', $file), $quiet, false);
}
/**
* Set cache engine
*/
$cache = $this->_get_cache();
\Minify0_Minify::setCache($cache);
/**
* Set cache ID
*/
$cache_id = $this->get_cache_id($file);
\Minify0_Minify::setCacheId($file);
/**
* Set logger
*/
\Minify_Logger::setLogger(array($this, 'debug_error'));
/**
* Set options
*/
$browsercache = $this->_config->get_boolean('browsercache.enabled');
$serve_options = array_merge($this->_config->get_array('minify.options'), array('debug' => $this->_config->get_boolean('minify.debug'), 'maxAge' => $this->_config->get_integer('browsercache.cssjs.lifetime'), 'encodeOutput' => $browsercache && !defined('W3TC_PAGECACHE_OUTPUT_COMPRESSION_OFF') && !$quiet && $this->_config->get_boolean('browsercache.cssjs.compression'), 'bubbleCssImports' => $this->_config->get_string('minify.css.imports') == 'bubble', 'processCssImports' => $this->_config->get_string('minify.css.imports') == 'process', 'cacheHeaders' => array('use_etag' => $browsercache && $this->_config->get_boolean('browsercache.cssjs.etag'), 'expires_enabled' => $browsercache && $this->_config->get_boolean('browsercache.cssjs.expires'), 'cacheheaders_enabled' => $browsercache && $this->_config->get_boolean('browsercache.cssjs.cache.control'), 'cacheheaders' => $this->_config->get_string('browsercache.cssjs.cache.policy')), 'quiet' => $quiet));
/**
* Set sources
*/
if ($hash) {
$_GET['f_array'] = $this->minify_filename_to_filenames_for_minification($hash, $type);
$_GET['ext'] = $type;
} else {
$_GET['g'] = $location;
$serve_options['minApp']['groups'] = $this->get_groups($theme, $template, $type);
}
/**
* Set minifier
*/
$w3_minifier = Dispatcher::component('Minify_ContentMinifier');
if ($type == 'js') {
$minifier_type = 'application/x-javascript';
switch (true) {
case ($hash || $location == 'include') && $this->_config->get_boolean('minify.js.combine.header'):
case $location == 'include-body' && $this->_config->get_boolean('minify.js.combine.body'):
case $location == 'include-footer' && $this->_config->get_boolean('minify.js.combine.footer'):
$engine = 'combinejs';
break;
default:
$engine = $this->_config->get_string('minify.js.engine');
if (!$w3_minifier->exists($engine) || !$w3_minifier->available($engine)) {
$engine = 'js';
}
break;
}
} elseif ($type == 'css') {
$minifier_type = 'text/css';
if (($hash || $location == 'include') && $this->_config->get_boolean('minify.css.combine')) {
$engine = 'combinecss';
} else {
$engine = $this->_config->get_string('minify.css.engine');
if (!$w3_minifier->exists($engine) || !$w3_minifier->available($engine)) {
$engine = 'css';
}
}
}
/**
* Initialize minifier
*/
$w3_minifier->init($engine);
$serve_options['minifiers'][$minifier_type] = $w3_minifier->get_minifier($engine);
$serve_options['minifierOptions'][$minifier_type] = $w3_minifier->get_options($engine);
/**
* Send X-Powered-By header
*/
if (!$quiet && $browsercache && $this->_config->get_boolean('browsercache.cssjs.w3tc')) {
@header('X-Powered-By: ' . Util_Environment::w3tc_header());
}
if (empty($_GET['f_array']) && empty($_GET['g'])) {
return $this->finish_with_error('Nothing to minify', $quiet, false);
}
/**
* Minify!
*/
$return = array();
try {
$return = \Minify0_Minify::serve('MinApp', $serve_options);
} catch (\Exception $exception) {
return $this->finish_with_error($exception->getMessage(), $quiet);
}
if (!is_null(\Minify0_Minify::$recoverableError)) {
$this->_handle_error(\Minify0_Minify::$recoverableError);
}
$state = Dispatcher::config_state_master();
if (!$this->_error_occurred && $state->get_boolean('minify.show_note_minify_error')) {
$error_file = $state->get_string('minify.error.file');
if ($error_file == $file) {
$state->set('minify.show_note_minify_error', false);
$state->save();
}
}
return $return;
}
