Updated Fedora Item Datastream add for HTTPS

When a datastream is added using HTTPS if its using the drupal url
it will try to use HTTP instead of HTTPS since Fedora has some problems
with HTTP. Ammended commit. Removed debug statements.

api/fedora_item.inc

@@ -136,10 +136,18 @@ class Fedora_Item {
    * @return type
    */
   function add_datastream_from_url($datastream_url, $datastream_id, $datastream_label = NULL, $datastream_mimetype = '', $controlGroup = 'M', $logMessage = NULL) {
+    global $base_url;
+
     if (empty($datastream_label)) {
       $datastream_label = $datastream_id;
     }
 
+    // Fedora has some problems getting files from HTTPS connections sometimes, so if we are getting a file
+    // from the local drupal, we try to pass a HTTP url instead of a HTTPS one.
+    if(stripos($datastream_url, 'https://') !== FALSE && stripos($datastream_url, $base_url) !== FALSE) {
+      $datastream_url = str_ireplace('https://', 'http://', $datastream_url);
+    }
+
     $params = array(
       'pid' => $this->pid,
       'dsID' => $datastream_id,