func (*macaroonSuite) TestJSONRoundTrip(c *gc.C) {
// jsonData produced from the second example in libmacaroons
// example README, but with the signature tweaked to
// match our current behaviour.
// TODO fix that behaviour so that our signatures match.
jsonData := `{"caveats":[{"cid":"account = 3735928559"},{"cid":"this was how we remind auth of key\/pred","vid":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA027FAuBYhtHwJ58FX6UlVNFtFsGxQHS7uD\/w\/dedwv4Jjw7UorCREw5rXbRqIKhr","cl":"http:\/\/auth.mybank\/"}],"location":"http:\/\/mybank\/","identifier":"we used our other secret key","signature":"6e315b0b391e8c6cc6f8d88fc22933a13430fb289b2fb613cf70f746bbe7d27d"}`
var m macaroon.Macaroon
err := json.Unmarshal([]byte(jsonData), &m)
c.Assert(err, gc.IsNil)
c.Assert(hex.EncodeToString(m.Signature()), gc.Equals,
"6e315b0b391e8c6cc6f8d88fc22933a13430fb289b2fb613cf70f746bbe7d27d")
data, err := m.MarshalJSON()
c.Assert(err, gc.IsNil)
// Check that the round-tripped data is the same as the original
// data when unmarshalled into an interface{}.
var got interface{}
err = json.Unmarshal(data, &got)
c.Assert(err, gc.IsNil)
var original interface{}
err = json.Unmarshal([]byte(jsonData), &original)
c.Assert(err, gc.IsNil)
c.Assert(got, gc.DeepEquals, original)
}
func (*macaroonSuite) TestMarshalJSON(c *gc.C) {
rootKey := []byte("secret")
m0 := MustNew(rootKey, "some id", "a location")
m0.AddFirstPartyCaveat("account = 3735928559")
m0JSON, err := json.Marshal(m0)
c.Assert(err, gc.IsNil)
var m1 macaroon.Macaroon
err = json.Unmarshal(m0JSON, &m1)
c.Assert(err, gc.IsNil)
c.Assert(m0.Location(), gc.Equals, m1.Location())
c.Assert(m0.Id(), gc.Equals, m1.Id())
c.Assert(
hex.EncodeToString(m0.Signature()),
gc.Equals,
hex.EncodeToString(m1.Signature()))
}
func hi(w http.ResponseWriter, r *http.Request, m *macaroon.Macaroon) {
w.Write([]byte(fmt.Sprintf("hi, your macaroon sig is %s", string(m.Signature()))))
}