<?php
/**
- * Generic cached assset server...
+ * Generic cached assset server... -- No security om this.. should only return compressed CSS/JS
+ *
+ * Does a few tricks with headers to improve caching...
*
*
* Also includes code to generate assets...
require_once 'Pman.php';
class Pman_Core_Asset extends Pman {
-
-
+
var $types = array(
'css' => 'text/css',
'js' => 'text/javascript',
+ 'map' => 'application/json'
);
+ function getAuth()
+ {
+ return true;
+ }
+
- function get($s='')
+ function get($s='', $opts = Array())
{
-
+ $this->sessionState(0);
+
$bits = explode('/', $s);
if (empty($bits[0]) || empty($bits[1]) || !isset($this->types[$bits[0]])) {
$this->jerr("invalid url");
}
+ $ext = $bits[0];
+ if (preg_match('/\.map$/',$_SERVER['REQUEST_URI'])) {
+ $ext = 'map';
+ }
+
$s = str_replace('/', '-', $bits[1]);
+
$ui = posix_getpwuid(posix_geteuid());
$ff = HTML_FlexyFramework::get();
- $compile = session_save_path() . '/' .
- $ui['name'] . '-' . $ff->project . '-' . $ff->version . '-'. $bits[0] . 'compile';
-
- $fn = $compile . '/'. $s .'.'. $bits[0];
-
-
+ $compile = self::getCompileDir($bits[0], '', false);
+ $fn = $compile . '/'. $s .'.'. $ext;
if (!file_exists($fn)) {
- header('Content-Type: '. $this->types[$bits[0]]);
+ header('Content-Type: '. $this->types[$ext]);
echo "// compiled file not found = $fn";
exit;
}
+ $supportsGzip = !empty($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip' ) !== false;
+
+
$last_modified_time = filemtime($fn);
header("Pragma: public");
- header('Content-Length: '. filesize($fn));
+
header('Cache-Control: max-age=2592000, public');
header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + 2592000));
header('Last-Modified: '.gmdate('D, d M Y H:i:s \G\M\T', $last_modified_time));
header('Etag: '. md5($fn));
- $fh = fopen($fn,'r');
- fpassthru($fh);
- fclose($fh);
+ if ( $supportsGzip ) {
+ $content = gzencode( file_get_contents($fn) , 9);
+
+ header('Content-Encoding: gzip');
+ header('Vary: Accept-Encoding');
+ header('Content-Length: '. strlen($content));
+
+ echo $content;
+
+ } else {
+
+
+ $fh = fopen($fn,'r');
+ fpassthru($fh);
+ fclose($fh);
+
+ }
+
+
+
exit;
}
+
function post($s='') {
+ if(!empty($_REQUEST['_clear_cache'])) {
+ $this->clearCompiledFilesCache();
+ }
+
die('invalid');
}
+ static function getCompileDir($type, $module = '', $is_mkdir = true)
+ {
+ $ff = HTML_FlexyFramework::get();
+
+ $ui = posix_getpwuid(posix_geteuid());
+
+ $compile_dir = session_save_path() . "/";
+
+ if (empty($module)) {
+ $module = $ff->project . (isset($ff->appNameShort) ? '_' . $ff->appNameShort : '');
+ }
+
+
+ switch($type) {
+ case 'js':
+ case 'css':
+ case 'scss':
+ $compile_dir .= implode("-", array(
+ $ui['name'],
+ $module,
+ $ff->version,
+ "{$type}compile"
+ ));
+ break;
+ // template config?
+ default:
+ return false;
+ }
+
+
+ if (file_exists($compile_dir)) {
+ return $compile_dir;
+ }
+
+ if(!$is_mkdir) {
+ return false;
+ }
+
+ if(mkdir($compile_dir, 0700, true)) {
+ return $compile_dir;
+ }
+
+ return false;
+ }
+ function clearCompiledFilesCache()
+ {
+ $au = $this->getAuthUser();
+ if (!$au && !in_array($_SERVER['REMOTE_ADDR'] , array('127.0.0.1','::1'))) {
+ $this->jerr("Cache can only be cleared by authenticated users");
+ }
+
+ require_once 'System.php';
+ $ff = HTML_FlexyFramework::get();
+
+ $mods = $this->modulesList();
+ $mods[] = $ff->project; // Pman - this was the old format...
+ $mods[] = ''; // Pman + appshortname..
+
+ foreach ($mods as $module) {
+ $compile_dir = $this->getCompileDir('js', $module, false);
+
+ if(!empty($compile_dir)) {
+ System::rm(array('-r', $compile_dir));
+ }
+ $compile_dir = $this->getCompileDir('css', $module, false);
+
+ if(!empty($compile_dir)) {
+ System::rm(array('-r', $compile_dir));
+ }
+ }
+
+ $this->jok('DONE');
+ }
}