ENH: refs #975. Support single bitstream download as well

Author: zachmullen

core/controllers/DownloadController.php

@@ -348,6 +348,23 @@ public function folderAction()
     $this->_forward('index', null, null, array('folders' => $pathParams[0]));
     }
 
+  /**
+   * This action exposes downloading a single bitstream and should be called as
+   *   download/bitstream/<bitstream_id>/...
+   * Any extra parameters are ignored and can be used to force clients like wget to download to the correct filename
+   * if the content-disposition header is ignored by the user agent.
+   */
+  public function bitstreamAction()
+    {
+    $pathParams = UtilityComponent::extractPathParams();
+    if(empty($pathParams))
+      {
+      throw new Zend_Exception('Must specify bitstream id as a path parameter');
+      }
+
+    $this->_forward('index', null, null, array('bitstream' => $pathParams[0]));
+    }
+
   /**
    * Render the view for the large data downloader applet
    * @param itemIds Comma separated list of items to download

core/views/item/view.phtml

@@ -220,7 +220,7 @@ foreach($cssArray as $module => $list)
                     echo '    <span name="sizeBytes">'.$bitstream->getSizebytes().'</span>';
                     echo '    <span name="mimeType">'.$bitstream->getMimetype().'</span>';
                     echo '  </div>';
-                    echo '<a href="'.$this->webroot.'/download?bitstream='.$bitstream->getKey().'">';
+                    echo '<a href="'.$this->webroot.'/download/bitstream/'.$bitstream->getKey().'/'.urlencode($bitstream->getName()).'">';
                     echo $this->slicename($bitstream->getName(), 50);
                     echo '</a>';
                     if($this->isModerator)