DataObjects/Core_domain.php

[Pman.Core] / Asset.php

diff --git a/Asset.php b/Asset.php
index e69de29..20da9b8 100644 (file)
--- a/Asset.php
+++ b/Asset.php
@@ -0,0 +1,106 @@
+<?php
+ 
+ /**
+  * 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...
+  *
+  * methods outputJavascriptDir / outputCssDir generate links to 
+  *    BASEURL/Asset/css/xxxx.yyy.zzz
+  *    BASEURL/Asset/js/xxxx.yyy.zzz
+  *
+  *   then
+  *   we deliver the file from
+  *       SESSION-DIR/{$www-user}-{$ff->project}-$ff->version}-{js|css}-compile/{filename}/PATH';
+  *
+  *   
+  */
+ 
+require_once 'Pman.php';
+
+class Pman_Core_Asset extends Pman {
+     
+    var $types = array(
+        'css' => 'text/css',
+        'js' => 'text/javascript',
+    );
+    
+    function getAuth()
+    {
+        return true;
+    }
+    
+    
+    function get($s='')
+    {
+        
+        $this->sessionState(0);
+        
+        $bits = explode('/', $s);
+        
+        if (empty($bits[0]) || empty($bits[1])  || !isset($this->types[$bits[0]])) {
+            $this->jerr("invalid url");
+        }
+       
+        $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 .'.'. $bits[0];
+        
+        
+        
+        
+        if (!file_exists($fn)) {
+            header('Content-Type: '. $this->types[$bits[0]]);
+        
+            echo "// compiled file not found = $fn";
+            exit;
+        }
+        
+        $last_modified_time = filemtime($fn);
+        
+        
+        if (
+            (
+                isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
+                strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time
+            )
+            ||
+            (
+                 isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
+                trim($_SERVER['HTTP_IF_NONE_MATCH']) == md5($fn)
+            )) { 
+            header("HTTP/1.1 304 Not Modified");
+            exit;
+        }
+        
+        header('Content-Type: '. $this->types[$bits[0]]);
+        
+        
+        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);
+        exit;
+        
+    }
+    function post($s='') {
+        die('invalid');
+    }
+     
+    
+}