Example #1
0
// authenticateUser will add the store expected Macaroon Authorization header for user
func authenticateUser(r *http.Request, user *auth.UserState) {
	var buf bytes.Buffer
	fmt.Fprintf(&buf, `Macaroon root="%s"`, user.StoreMacaroon)

	// deserialize root macaroon (we need its signature to do the discharge binding)
	root, err := auth.MacaroonDeserialize(user.StoreMacaroon)
	if err != nil {
		logger.Debugf("cannot deserialize root macaroon: %v", err)
		return
	}

	for _, d := range user.StoreDischarges {
		// prepare discharge for request
		discharge, err := auth.MacaroonDeserialize(d)
		if err != nil {
			logger.Debugf("cannot deserialize discharge macaroon: %v", err)
			return
		}
		discharge.Bind(root.Signature())

		serializedDischarge, err := auth.MacaroonSerialize(discharge)
		if err != nil {
			logger.Debugf("cannot re-serialize discharge macaroon: %v", err)
			return
		}
		fmt.Fprintf(&buf, `, discharge="%s"`, serializedDischarge)
	}
	r.Header.Set("Authorization", buf.String())
}
Example #2
0
func (s *authSuite) TestMacaroonDeserializeInvalidData(c *C) {
	serialized := "invalid-macaroon-data"

	deserialized, err := auth.MacaroonDeserialize(serialized)
	c.Check(deserialized, IsNil)
	c.Check(err, NotNil)
}
Example #3
0
func (s *authSuite) TestMacaroonSerialize(c *C) {
	m, err := macaroon.New([]byte("secret"), "some-id", "location")
	c.Check(err, IsNil)

	serialized, err := auth.MacaroonSerialize(m)
	c.Check(err, IsNil)

	deserialized, err := auth.MacaroonDeserialize(serialized)
	c.Check(err, IsNil)
	c.Check(deserialized, DeepEquals, m)
}
Example #4
0
// refreshDischarges will request refreshed discharge macaroons for the user
func refreshDischarges(user *auth.UserState) ([]string, error) {
	newDischarges := make([]string, len(user.StoreDischarges))
	for i, d := range user.StoreDischarges {
		discharge, err := auth.MacaroonDeserialize(d)
		if err != nil {
			return nil, err
		}
		if discharge.Location() != UbuntuoneLocation {
			newDischarges[i] = d
			continue
		}

		refreshedDischarge, err := refreshDischargeMacaroon(d)
		if err != nil {
			return nil, err
		}
		newDischarges[i] = refreshedDischarge
	}
	return newDischarges, nil
}
Example #5
0
func (s *authSuite) TestMacaroonSerializeDeserializeStoreMacaroon(c *C) {
	// sample serialized macaroon using store server setup.
	serialized := `MDAxNmxvY2F0aW9uIGxvY2F0aW9uCjAwMTdpZGVudGlmaWVyIHNvbWUgaWQKMDAwZmNpZCBjYXZlYXQKMDAxOWNpZCAzcmQgcGFydHkgY2F2ZWF0CjAwNTF2aWQgcyvpXSVlMnj9wYw5b-WPCLjTnO_8lVzBrRr8tJfu9tOhPORbsEOFyBwPOM_YiiXJ_qh-Pp8HY0HsUueCUY4dxONLIxPWTdMzCjAwMTJjbCByZW1vdGUuY29tCjAwMmZzaWduYXR1cmUgcm_Gdz75wUCWF9KGXZQEANhwfvBcLNt9xXGfAmxurPMK`

	deserialized, err := auth.MacaroonDeserialize(serialized)
	c.Check(err, IsNil)

	// expected json serialization of the above macaroon
	jsonData := []byte(`{"caveats":[{"cid":"caveat"},{"cid":"3rd party caveat","vid":"cyvpXSVlMnj9wYw5b-WPCLjTnO_8lVzBrRr8tJfu9tOhPORbsEOFyBwPOM_YiiXJ_qh-Pp8HY0HsUueCUY4dxONLIxPWTdMz","cl":"remote.com"}],"location":"location","identifier":"some id","signature":"726fc6773ef9c1409617d2865d940400d8707ef05c2cdb7dc5719f026c6eacf3"}`)

	var expected macaroon.Macaroon
	err = expected.UnmarshalJSON(jsonData)
	c.Check(err, IsNil)
	c.Check(deserialized, DeepEquals, &expected)

	// reserializing the macaroon should give us the same original store serialization
	reserialized, err := auth.MacaroonSerialize(deserialized)
	c.Check(err, IsNil)
	c.Check(reserialized, Equals, serialized)
}
Example #6
0
// LoginUser logs user in the store and returns the authentication macaroons.
func LoginUser(username, password, otp string) (string, string, error) {
	macaroon, err := requestStoreMacaroon()
	if err != nil {
		return "", "", err
	}
	deserializedMacaroon, err := auth.MacaroonDeserialize(macaroon)
	if err != nil {
		return "", "", err
	}

	// get SSO 3rd party caveat, and request discharge
	loginCaveat, err := loginCaveatID(deserializedMacaroon)
	if err != nil {
		return "", "", err
	}

	discharge, err := dischargeAuthCaveat(loginCaveat, username, password, otp)
	if err != nil {
		return "", "", err
	}

	return macaroon, discharge, nil
}