Update comments to annotate what data is where during the process.

Follow-on for #1518.

1 files changed, 6 insertions, 1 deletions

diff --git a/modules/gallery/controllers/file_proxy.php b/modules/gallery/controllers/file_proxy.php
index 0400d7c4..98f4e839 100644
--- a/modules/gallery/controllers/file_proxy.php
+++ b/modules/gallery/controllers/file_proxy.php
@@ -29,9 +29,11 @@
 class File_Proxy_Controller extends Controller {
   const ALLOW_PRIVATE_GALLERY = true;
   public function __call($function, $args) {
-    // request_uri: gallery3/var/trunk/albums/foo/bar.jpg
+    // request_uri: gallery3/var/albums/foo/bar.jpg?m=1234
     $request_uri = rawurldecode(Input::instance()->server("REQUEST_URI"));
 
+    // get rid of query parameters
+    // request_uri: gallery3/var/albums/foo/bar.jpg
     $request_uri = preg_replace("/\?.*/", "", $request_uri);
 
     // var_uri: gallery3/var/
@@ -43,8 +45,11 @@ class File_Proxy_Controller extends Controller {
       throw new Kohana_404_Exception();
     }
 
+    // file_uri: albums/foo/bar.jpg
     $file_uri = substr($request_uri, strlen($var_uri));
 
+    // type: albums
+    // path: foo/bar.jpg
     list ($type, $path) = explode("/", $file_uri, 2);
     if ($type != "resizes" && $type != "albums" && $type != "thumbs") {
       throw new Kohana_404_Exception();