> POST /o/oauth2/token HTTP/1.1
> Soup-Debug-Timestamp: 1431695653
> Soup-Debug: SoupSession 1 (0x1562130), SoupMessage 1 (0x17eb8b0), SoupSocket 1 (0x7efddc0036b0)
> Host: accounts.google.com
> Content-Type: application/x-www-form-urlencoded
> Accept-Encoding: gzip, deflate
> User-Agent: libgdata/0.17.2 - gzip
> Connection: Keep-Alive
> 
> client_id=352818697630-nqu2cmt5quqd6lr17ouoqmb684u84l1f.apps.googleusercontent.com&client_secret=-fA4pHQJxR3zJ-FyAMPQsikg&code=4%2FTrFY0VbJzBRhT4r_kkyl39xFF15qserv8dER-e182eU.AjD_rrH7m_EUoiIBeO6P2m9a02uvmgI&redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob&grant_type=authorization_code
  
< HTTP/1.1 200 OK
< Soup-Debug-Timestamp: 1431695654
< Soup-Debug: SoupMessage 1 (0x17eb8b0)
< Content-Type: application/json; charset=utf-8
< Cache-Control: no-cache, no-store, max-age=0, must-revalidate
< Pragma: no-cache
< Expires: Fri, 01 Jan 1990 00:00:00 GMT
< Date: Fri, 15 May 2015 13:14:14 GMT
< Content-Disposition: attachment; filename="json.txt"; filename*=UTF-8''json.txt
< Content-Encoding: gzip
< X-Content-Type-Options: nosniff
< X-Frame-Options: SAMEORIGIN
< X-XSS-Protection: 1; mode=block
< Server: GSE
< Alternate-Protocol: 443:quic,p=1
< Transfer-Encoding: chunked
< 
< {
<   "access_token" : "ya29.dAFjwh3j5bnolAkoumk7nKv5Et2BPEF4uLxyUsDhp788Hs7E6P4W865ZrKn7PAcfe4X40GjC0xx3Wg",
<   "token_type" : "Bearer",
<   "expires_in" : 3600,
<   "refresh_token" : "1/NnqQoUbp8ZRdraXhZV_VxmYC72GtHl65vwf1h6OZ8ik"
< }