Added HTTP Range Request support to feeds/station-rss controller to make it work in iTunes

airtime_mvc/application/controllers/FeedsController.php

@@ -15,8 +15,45 @@ class FeedsController extends Zend_Controller_Action
             return;
         }
 
-        header('Content-Type: text/xml; charset=UTF-8');
 
-        echo Application_Service_PodcastService::createStationRssFeed();
+        $rssData = Application_Service_PodcastService::createStationRssFeed();
+
+        $mimeType = "text/xml";
+        header("Content-Type: $mimeType; charset=UTF-8");
+
+        if (isset($_SERVER['HTTP_RANGE'])) {
+            header('HTTP/1.1 206 Partial Content');
+        } else {
+            header('HTTP/1.1 200 OK');
+        }
+        header("Content-Type: $mimeType");
+        header("Content-Transfer-Encoding: binary");
+        header('Cache-Control: public, must-revalidate, max-age=0');
+        header('Pragma: no-cache');
+        header('Accept-Ranges: bytes');
+        $size = strlen($rssData);
+
+        $begin = 0;
+        $end   = $size - 1;
+
+        //ob_start(); //Must start a buffer here for these header() functions
+
+        if (isset($_SERVER['HTTP_RANGE'])) {
+            if (preg_match('/bytes=\h*(\d+)-(\d*)[\D.*]?/i', $_SERVER['HTTP_RANGE'], $matches)) {
+                $begin = intval($matches[1]);
+                if (!empty($matches[2])) {
+                    $end = intval($matches[2]);
+                }
+            }
+        }
+
+        if ($size > 0) {
+            header('Content-Length:' . (($end - $begin) + 1));
+            if (isset($_SERVER['HTTP_RANGE'])) {
+                header("Content-Range: bytes $begin-$end/$size");
+            }
+        }
+
+        echo $rssData;
     }
 }