Update Issue 19

Now returning HTTP 200 for HEAD on non-files

ChangeLog

@@ -20,6 +20,7 @@
 	  uri's.
 	* Changed: Sabre_HTTP_Response now returns false if headers are already
 	  sent and header-methods are called.
+	* Fixed: Issue 19: HEAD requests on Collections
 
 1.0.5-stable (2010-01-22)
 	* Fixed: Fatal error when a malformed url was used for unlocking, in

lib/Sabre/DAV/Server.php

@@ -371,22 +371,28 @@ protected function httpHead() {
 
         $node = $this->tree->getNodeForPath($this->getRequestUri());
 
-        if (!($node instanceof Sabre_DAV_IFile)) throw new Sabre_DAV_Exception_NotImplemented('HEAD is only implemented on File objects');
+        /* This information is only collection for File objects.
+         * Ideally we want to throw 405 Method Not Allowed for every 
+         * non-file, but MS Office does not like this
+         */
+        if ($node instanceof Sabre_DAV_IFile) { 
+            if ($size = $node->getSize())
+                $this->httpResponse->setHeader('Content-Length',$size);
 
-        if ($size = $node->getSize())
-            $this->httpResponse->setHeader('Content-Length',$size);
+            if ($etag = $node->getETag()) {
 
-        if ($etag = $node->getETag()) {
+                $this->httpResponse->setHeader('ETag',$etag);
 
-            $this->httpResponse->setHeader('ETag',$etag);
+            }
 
-        }
+            if (!$contentType = $node->getContentType())
+                $contentType = 'application/octet-stream';
 
-        if (!$contentType = $node->getContentType())
-            $contentType = 'application/octet-stream';
-
-        $this->httpResponse->setHeader('Content-Type', $contentType);
-        $this->httpResponse->setHeader('Last-Modified', date(DateTime::RFC1123, $node->getLastModified()));
+            $this->httpResponse->setHeader('Content-Type', $contentType);
+            if ($lastMod = $node->getLastModified()) {
+                $this->httpResponse->setHeader('Last-Modified', date(DateTime::RFC1123, $node->getLastModified()));
+            }
+        }
         $this->httpResponse->sendStatus(200);
 
     }

tests/Sabre/DAV/ServerSimpleTest.php

@@ -328,11 +328,7 @@ function testHEADOnCollection() {
         $this->server->httpRequest = ($request);
         $this->server->exec();
 
-        $this->assertEquals(array(
-            'Content-Type' => 'application/xml; charset=utf-8',
-        ),$this->response->headers);
-
-        $this->assertEquals('HTTP/1.1 501 Not Implemented',$this->response->status);
+        $this->assertEquals('HTTP/1.1 200 Ok',$this->response->status);
 
     }