Updated the google_oauth library to allow debug information to be written to the log. Also changed the way the curl header was being set because it was not being set correctly, though it didn't seem to cause an issue.

Author: Jim

libraries/google_oauth.php

@@ -44,6 +44,9 @@ class google_oauth
     //google service you are authenticating against.
     const SCOPE         = 'https://gdata.youtube.com'; //YouTube
 
+    //Set this flag to true for detailed logging.
+    const DEBUG         = false;
+
     //Array that should contain the consumer secret and
     //key which should be passed into the constructor.
     private $_consumer = false;
@@ -162,9 +165,16 @@ private function _connect($url, $auth)
         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
         curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-        curl_setopt($ch, CURLOPT_HTTPHEADER, array($auth));
+        curl_setopt($ch, CURLOPT_HTTPHEADER, explode("\r\n", $auth));
+        curl_setopt($ch, CURLINFO_HEADER_OUT, true);
 
         $response = curl_exec($ch);
+
+        if(self::DEBUG)
+        {
+            error_log(print_r(curl_getinfo($ch), true));
+            error_log($response);
+        }
         curl_close($ch);
         return $response;
     }