1 files changed, 91 insertions, 0 deletions
diff --git a/modules/gallery/controllers/combined.php b/modules/gallery/controllers/combined.php
new file mode 100644
index 00000000..925d052d
--- /dev/null
+++ b/modules/gallery/controllers/combined.php
@@ -0,0 +1,91 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2009 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class Combined_Controller extends Controller {
+  /**
+   * Return the combined Javascript bundle associated with the given key.
+   */
+  public function javascript($key) {
+    $key = substr($key, 0, strlen($key) - 3);  // strip off the trailing .js
+    return $this->_emit("javascript", $key);
+  }
+
+  /**
+   * Return the combined CSS bundle associated with the given key.
+   */
+  public function css($key) {
+    $key = substr($key, 0, strlen($key) - 4);  // strip off the trailing .css
+    return $this->_emit("css", $key);
+  }
+
+  /**
+   * Print out a cached entry.
+   * @param string   the combined entry type (either "javascript" or "css")
+   * @param string   the key (typically an md5 sum)
+   */
+  private function _emit($type, $key) {
+    $input = Input::instance();
+
+    // Our data is immutable, so if they already have a copy then it needs no updating.
+    if ($input->server("HTTP_IF_MODIFIED_SINCE")) {
+      header('HTTP/1.0 304 Not Modified');
+      header("Expires: Tue, 19 Jan 2038 00:00:00 GMT");
+      header("Cache-Control: max-age=2678400");
+      header('Pragma: public');
+      return;
+    }
+
+    if (empty($key)) {
+      Kohana::show_404();
+    }
+
+    // We don't need to save the session for this request
+    Session::abort_save();
+
+    $cache = Cache::instance();
+    $use_gzip = function_exists("gzencode") &&
+      (strpos($input->server("HTTP_ACCEPT_ENCODING"), "gzip") !== false);
+    if ($use_gzip && $content = $cache->get("{$key}_gz")) {
+      header("Content-Encoding: gzip");
+    } else {
+      // Fall back to non-gzipped if we have to
+      $content = $cache->get($key);
+    }
+
+    if (empty($content)) {
+      Kohana::show_404();
+    }
+
+    // $type is either 'javascript' or 'css'
+    if ($type == "javascript") {
+      header("Content-Type: application/javascript; charset=UTF-8");
+    } else {
+      header("Content-Type: text/css; charset=UTF-8");
+    }
+    header("Expires: Tue, 19 Jan 2038 00:00:00 GMT");
+    header("Cache-Control: max-age=2678400");
+    header('Pragma: public');
+    header("Last-Modified: " . gmdate("D, d M Y H:i:s T", time()));
+
+    Kohana::close_buffers(false);
+    print $content;
+  }
+
+}
+