Your IP : 216.73.217.11
<?php
namespace T4\Optimizer;
use Joomla\CMS\Factory;
use Joomla\CMS\Uri\Uri;
use Joomla\Filesystem\File;
use Joomla\Filesystem\Folder;
class Base {
public $docroot;
var $params;
var $default_options;
var $exclude;
var $outputpath;
var $outputext;
public static function run() {
if (!\T4\T4::isT4()) return;
if (\T4\T4::inEdit()) return;
require_once T4PATH . '/vendor/autoload.php';
$tmpl = Factory::getApplication()->getTemplate(true);
if ($tmpl->params->get('system_optimizecss', 0)) {
$css = new Css($tmpl->params);
$css->optimize();
}
if ($tmpl->params->get('system_optimizejs', 0)) {
$js = new Js($tmpl->params);
if ($tmpl->params->get('system_optimizejs', 0))
$js->optimize();
else $js->clean();
}
}
public function __construct($params) {
$this->params = $params;
$this->docroot = substr(JPATH_ROOT, 0, strlen(JPATH_ROOT) - strlen(Uri::root(true)));
}
public function setExclude ($exclude) {
$exclude = trim($exclude);
if ($exclude) {
$this->exclude = '@(' . preg_replace('@[,\n\r]+@', '|', preg_quote($exclude)) . ')@';
}
}
public function optimize() {
$output = [];
$group = [];
$sources = $this->getSources();
$last = [];
foreach ($sources as $url => $attribs) {
$furl = $this->fixUrl($url);
$needOptimize = $this->needOptimize($furl, $attribs);
if ($needOptimize === true) {
$group[$furl] = $attribs;
} else {
// put to last if it is external css
if ($this->outputext == '.css' && $needOptimize < 0) {
$last[$url] = $attribs;
} else {
// ignore this file, then optimize prev group files
if (count($group)) {
$ourl = $this->optimizeGroup($group);
if ($ourl) {
$output[$ourl] = $this->default_options;
} else {
$output = array_merge($output, $group);
}
// reset for new group
$group = [];
}
// put current ignore file to output
$output[$url] = $attribs;
}
}
}
if (count($group)) {
$ourl = $this->optimizeGroup($group);
if ($ourl) {
$output[$ourl] = $this->default_options;
} else {
$output = array_merge($output, $group);
}
}
// then add last
foreach ($last as $url => $attribs) {
$output[$url] = $attribs;
}
//apply the change make change
$this->setSources($output);
}
public function clean() {
}
protected function needOptimize($url, $attribs) {
//exclude
if($this->exclude && preg_match($this->exclude, $url)){
return 0;
}
// external
if (preg_match('#^(https?:)?//#', $url)) return -1;
// Lib
if (preg_match('/^[a-z_]+$/i', $url)) return 0;
// condition
if (!empty($attribs['options']) && !empty($attribs['options']['conditional'])) return -2;
return true;
}
protected function optimizeGroup($group) {
// check if need do optimize
$files = [];
$maxTime = 0;
foreach ($group as $url => $options) {
if(empty($url)) continue;
$file = $this->getPath($url);
if (!is_file($file)) {
// unset($group[$url]);
continue;
}
if (($t = @filemtime($file)) && $t > $maxTime) $maxTime = $t;
$files[] = $file;
}
if (!count($files)) return false;
$outputpath = T4PATH_MEDIA . $this->outputpath;
$outputurl = T4PATH_MEDIA_URI . $this->outputpath;
if (!is_file($outputpath)){
Folder::create($outputpath);
@chmod($outputpath, 0755);
}
if (!is_writeable($outputpath)) {
return false;
}
$file = md5(serialize($files)) . $this->outputext;
$hash = md5($maxTime);
$tourl = $outputurl . '/' . $file . '?' . $hash;
$tofile = $this->fixPath($outputpath . '/' . $file);
if (is_file($tofile) && filemtime($tofile) >= $maxTime) return $tourl;
$output = '';
$arr = [];
foreach ($files as $file) {
if (preg_match('/media(\/|\\\\)(system|jui)/', $file) || preg_match('/[\.-]min\.(css|js)$/', $file)) {
// compile last file
if (count($arr)) {
$minifier = $this->getMinifier($arr);
$output .= $minifier->execute($tofile) . "\n";
$arr = [];
}
// chang path webfont for font awesome
if(preg_match('/[\.-]min\.(css)$/', $file)){
$output .= "/*" . basename($file) . "*/\n";
$awsminifier = $this->getMinifier($file);
$output .= $awsminifier->execute($tofile) . ";\n";
}else{
// fixed joomla file make error when optimize
if(strpos(basename($file), 'passwordview') !== false){
$output .= "/*" . basename($file) . "*/\n" . "!".file_get_contents($file) . ";\n";
} else{
$output .= "/*" . basename($file) . "*/\n" . file_get_contents($file) . ";\n";
}
}
} else {
$arr[] = $file;
}
}
if (count($arr)) {
$minifier = $this->getMinifier($arr);
$output .= $minifier->execute($tofile) . "\n";
$arr = [];
}
// write to output
File::write($tofile, $output);
// $minifier = $this->getMinifier();
// if (!$minifier) return false;
// $minifier->add($files);
// $minifier->minify($tofile);
return $tourl;
}
/**
* @param string $url url to refine
* @return string the refined url
*/
public function fixUrl($url = ''){
$url = str_replace(Uri::root(), Uri::root(true) . '/', $url);
// replace uri query & hash
$url = preg_replace('/([#\?]+.*)$/', '', $url);
return $url;
}
protected function getPath ($url) {
if ($url[0] === '/') {
return $this->docroot . $this->fixPath($url);
}
return $url;
}
protected function fixPath ($path) {
return str_replace('/', DIRECTORY_SEPARATOR, $path);
}
/* Abstract function, need override in extended class */
protected function getSources() {
return [];
}
protected function setSources($output) {
}
protected function getMinifier($files = []) {
$minifier = null;
switch($this->outputext) {
case '.js':
$minifier = new Minify\Js($files);
break;
case '.css':
$minifier = new Minify\Css($files);
break;
}
return $minifier;
}
}