/**
* Runs minify
*/
function process()
{
require_once W3TC_LIB_MINIFY_DIR . '/Minify.php';
require_once W3TC_LIB_MINIFY_DIR . '/HTTP/Encoder.php';
HTTP_Encoder::$encodeToIe6 = $this->_config->get_boolean('minify.comprss.ie6');
Minify::$uploaderHoursBehind = $this->_config->get_integer('minify.fixtime');
Minify::setCache($this->_get_cache());
$serve_options = $this->_config->get_array('minify.options');
$serve_options['maxAge'] = $this->_config->get_integer('minify.maxage');
$serve_options['encodeOutput'] = $this->_config->get_boolean('minify.compress');
$serve_options['postprocessor'] = array(&$this, 'postprocessor');
if (stripos(PHP_OS, 'win') === 0) {
Minify::setDocRoot();
}
foreach ($this->_config->get_array('minify.symlinks') as $link => $target) {
$link = str_replace('//', realpath($_SERVER['DOCUMENT_ROOT']), $link);
$link = strtr($link, '/', DIRECTORY_SEPARATOR);
$serve_options['minifierOptions']['text/css']['symlinks'][$link] = realpath($target);
}
if ($this->_config->get_boolean('minify.debug')) {
$serve_options['debug'] = true;
}
if ($this->_config->get('minify.debug')) {
require_once W3TC_LIB_MINIFY_DIR . '/Minify/Logger.php';
Minify_Logger::setLogger($this);
}
if (isset($_GET['f']) || isset($_GET['gg']) && isset($_GET['g']) && isset($_GET['t'])) {
if (isset($_GET['gg']) && isset($_GET['g']) && isset($_GET['t'])) {
$serve_options['minApp']['groups'] = $this->get_groups($_GET['gg'], $_GET['t']);
if ($_GET['t'] == 'js' && (in_array($_GET['g'], array('include', 'include-nb')) && $this->_config->get_boolean('minify.js.combine.header') || in_array($_GET['g'], array('include-footer', 'include-footer-nb')) && $this->_config->get_boolean('minify.js.combine.footer'))) {
$serve_options['minifiers']['application/x-javascript'] = array($this, 'minify_stub');
}
/**
* Setup user-friendly cache ID for disk cache
*/
if ($this->_config->get_string('minify.engine') == 'file') {
$cacheId = sprintf('%s.%s.%s', $_GET['gg'], $_GET['g'], $_GET['t']);
Minify::setCacheId($cacheId);
}
}
@header('Pragma: public');
try {
Minify::serve('MinApp', $serve_options);
} catch (Exception $exception) {
printf('<strong>W3 Total Cache Error:</strong> Minify error: %s', $exception->getMessage());
}
} else {
die('This file cannot be accessed directly');
}
}
/**
* Runs minify
*
* @param string|null $file
*
* @return void
*/
function process($file = NULL)
{
w3_require_once(W3TC_LIB_W3_DIR . '/Request.php');
/**
* Check for rewrite test request
*/
$rewrite_test = W3_Request::get_boolean('w3tc_rewrite_test');
if ($rewrite_test) {
echo 'OK';
exit;
}
$rewrite_test = W3_Request::get_string('test_file');
if ($rewrite_test) {
$cache = $this->_get_cache();
header('Content-type: text/css');
if ($cache->store(basename($rewrite_test), 'content ok')) {
if (function_exists('gzencode') && $this->_config->get_boolean('browsercache.enabled') && $this->_config->get_boolean('browsercache.cssjs.compression')) {
if (!$cache->store(basename($rewrite_test) . '.gzip', gzencode('content ok'))) {
echo 'error storing';
exit;
}
}
if ($this->_config->get_string('minify.engine') != 'file') {
if ($cache->fetch(basename($rewrite_test)) == 'content ok') {
echo 'content ok';
} else {
echo 'error storing';
}
} else {
echo 'retry';
}
} else {
echo 'error storing';
}
exit;
}
if (is_null($file)) {
$file = W3_Request::get_string('file');
}
if (!$file) {
$this->error('File param is missing', false);
return;
}
// 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];
}
// 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 {
$this->error(sprintf('Bad file param format: "%s"', $file), false);
return;
}
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify.php');
w3_require_once(W3TC_LIB_MINIFY_DIR . '/HTTP/Encoder.php');
/**
* Fix DOCUMENT_ROOT
*/
$_SERVER['DOCUMENT_ROOT'] = w3_get_document_root();
/**
* Set cache engine
*/
Minify::setCache($this->_get_cache());
/**
* Set cache ID
*/
$cache_id = $this->get_cache_id($file);
Minify::setCacheId($cache_id);
/**
* Set logger
*/
w3_require_once(W3TC_LIB_MINIFY_DIR . '/Minify/Logger.php');
Minify_Logger::setLogger(array(&$this, '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 && $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' => $this->_config->get_string('browsercache.cssjs.cache.policy'))));
/**
* Set sources
*/
if ($hash) {
$_GET['f'] = $this->get_custom_files($hash, $type);
} else {
$_GET['g'] = $location;
$serve_options['minApp']['groups'] = $this->get_groups($theme, $template, $type);
}
/**
* Set minifier
*/
$w3_minifier = w3_instance('W3_Minifier');
if ($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 ($browsercache && $this->_config->get_boolean('browsercache.cssjs.w3tc')) {
@header('X-Powered-By: ' . W3TC_POWERED_BY);
}
/**
* Minify!
*/
try {
Minify::serve('MinApp', $serve_options);
} catch (Exception $exception) {
$this->error($exception->getMessage());
}
if (!$this->_error_occurred && $this->_config_admin->get_boolean('notes.minify_error')) {
$error_file = $this->_config_admin->get_string('minify.error.file');
if ($error_file == $file) {
$this->_config_admin->set('notes.minify_error', false);
$this->_config_admin->save();
}
}
}
/**
* Runs minify
*
* @return void
*/
function process()
{
require_once W3TC_LIB_W3_DIR . '/Request.php';
/**
* Check for rewrite test request
*/
$rewrite_test = W3_Request::get_boolean('w3tc_rewrite_test');
if ($rewrite_test) {
echo 'OK';
exit;
}
$file = W3_Request::get_string('file');
if (!$file) {
$this->error('File param is missing', false);
return;
}
$hash = '';
$matches = null;
if (preg_match('~^([a-f0-9]+)\\.[a-f0-9]+\\.(css|js)$~', $file, $matches)) {
list(, $hash, $type) = $matches;
} elseif (preg_match('~^([a-f0-9]+)\\/(.+)\\.(include(\\-(footer|body))?(-nb)?)\\.[a-f0-9]+\\.(css|js)$~', $file, $matches)) {
list(, $theme, $template, $location, , , , $type) = $matches;
} else {
$this->error(sprintf('Bad file param format: "%s"', $file), false);
return;
}
require_once W3TC_LIB_MINIFY_DIR . '/Minify.php';
require_once W3TC_LIB_MINIFY_DIR . '/HTTP/Encoder.php';
/**
* Fix DOCUMENT_ROOT
*/
$_SERVER['DOCUMENT_ROOT'] = w3_get_document_root();
/**
* Set cache engine
*/
Minify::setCache($this->_get_cache());
/**
* Set cache ID
*/
$cache_id = $this->get_cache_id($file);
Minify::setCacheId($cache_id);
/**
* Set logger
*/
require_once W3TC_LIB_MINIFY_DIR . '/Minify/Logger.php';
Minify_Logger::setLogger(array(&$this, '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 && $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' => $this->_config->get_string('browsercache.cssjs.cache.policy'))));
/**
* Set sources
*/
if ($hash) {
$_GET['f'] = $this->get_files($hash, $type);
} else {
$_GET['g'] = $location;
$serve_options['minApp']['groups'] = $this->get_groups($theme, $template, $type);
}
/**
* Set minifier
*/
$w3_minifier =& w3_instance('W3_Minifier');
if ($type == 'js') {
$minifier_type = 'application/x-javascript';
switch (true) {
case ($hash || $location == 'include' || $location == 'include-nb') && $this->_config->get_boolean('minify.js.combine.header'):
case ($location == 'include-body' || $location == 'include-body-nb') && $this->_config->get_boolean('minify.js.combine.body'):
case ($location == 'include-footer' || $location == 'include-footer-nb') && $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 ($browsercache && $this->_config->get_boolean('browsercache.cssjs.w3tc')) {
@header('X-Powered-By: ' . W3TC_POWERED_BY);
}
/**
* Minify!
*/
try {
Minify::serve('MinApp', $serve_options);
} catch (Exception $exception) {
$this->error($exception->getMessage());
}
}
/**
* Serves friendly minify url with minified contents
*
* This actually does a remote get from Minify's dir with appropriate `?f`
* query variable built from persistently stored detected enqueued files.
* All minified contents as well as headers should be preserved.
*
* Serving friendly minify urls like this cause a lot of overheads, but is
* safer to use than server rewrite rules.
*
* @uses wp_remote_get()
* @return void
*/
public function serve($query)
{
$group_handle = isset($_GET['min_group']) ? $this->_sanitize_request($_GET['min_group']) : '';
$type = isset($_GET['min_type']) && in_array($_GET['min_type'], array('js', 'css')) ? $_GET['min_type'] : '';
$bid = isset($_GET['blog']) ? (int) $_GET['blog'] : 0;
if (empty($group_handle) || empty($type) || empty($bid)) {
// if missing any important data, do not proceed
return;
}
global $blog_id;
if ($bid != $blog_id) {
// if not on the correct blog, do not proceed
return;
}
$group = $this->_detector->get_group($group_handle);
if (false == $group) {
// this should not happen, but just in case it does
echo sprintf(__('Minify group %s not found.', $this->_domain), $group_handle);
exit;
}
// load Minify class based on default or custom Minify directory
$min_dir = $this->_main->get_min_dir();
if (empty($min_dir) || !file_exists($min_dir . 'config.php')) {
// if Minify directory is not valid or Minify library is not found
// we can not continue
_e('Invalid Minify directory, please check Minify settings.', $this->_domain);
exit;
}
// prepare input for Minify to handle
$_GET['f'] = $group['string'];
if ($this->_options['enable_debug'] == 'yes') {
// add debug flag if needed
$_GET['debug'] = 1;
} else {
// minified contents are often served compressed so it's best to turn off
// error reporting to avoid content encoding error, unless debug is
// enabled. This is useful when Minify doesn't catch all the notices
// (for example when the cache directory is not writable).
error_reporting(0);
}
// load Minify classes
define('MINIFY_MIN_DIR', $min_dir);
require_once MINIFY_MIN_DIR . '/config.php';
require_once $min_libPath . '/Minify/Loader.php';
Minify_Loader::register();
// set some optional for the Minify application based on current settings
Minify::$uploaderHoursBehind = $min_uploaderHoursBehind;
// set cache file name (id) and cache path if needed
Minify::setCacheId('minify-b' . $blog_id . '-' . $group_handle . '.' . $type);
Minify::setCache(isset($min_cachePath) ? $min_cachePath : '', $min_cacheFileLocking);
if ($min_documentRoot) {
$_SERVER['DOCUMENT_ROOT'] = $min_documentRoot;
Minify::$isDocRootSet = true;
}
// set serve options for each file type if needed
$min_serveOptions['minifierOptions']['text/css']['symlinks'] = $min_symlinks;
foreach ($min_symlinks as $uri => $target) {
$min_serveOptions['minApp']['allowDirs'][] = $target;
}
if ($min_allowDebugFlag) {
// allow debugging Minify application
$min_serveOptions['debug'] = Minify_DebugDetector::shouldDebugRequest($_COOKIE, $_GET, $_SERVER['REQUEST_URI']);
}
if ($min_errorLogger) {
// log Minify error if allowed
if (true === $min_errorLogger) {
$min_errorLogger = FirePHP::getInstance(true);
}
Minify_Logger::setLogger($min_errorLogger);
}
// serve minified contents, on the fly or from cache
$min_serveController = new Minify_Controller_MinApp();
Minify::serve($min_serveController, $min_serveOptions);
// for a proper response headers
exit;
}
