authenticator_attestation_response_test.go

package webauthn

import (
	"encoding/base64"
	"encoding/json"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestAuthenticatorAttestationResponse_GetClientDataJSONHash(t *testing.T) {
	response := readTestAuthenticatorAttestationResponse(t, "None")
	assert.Equal(t, ClientDataJSONHash{
		0xab, 0x53, 0x3c, 0x7f, 0xf0, 0x07, 0xfd, 0xb8,
		0x13, 0x8c, 0xda, 0x77, 0x1c, 0x2f, 0x75, 0x5d,
		0x60, 0xed, 0xd2, 0x89, 0x16, 0x75, 0x4e, 0x05,
		0x12, 0x79, 0x2a, 0x66, 0x6e, 0x61, 0x1e, 0x79,
	}, response.GetClientDataJSONHash())
}

func TestAuthenticatorAttestationResponse_UnmarshalAttestationObject(t *testing.T) {
	response := readTestAuthenticatorAttestationResponse(t, "None")
	attestationObject, err := response.UnmarshalAttestationObject()
	assert.NoError(t, err)
	assert.Equal(t, &AttestationObject{
		AuthData: []byte{
			0x49, 0x96, 0x0d, 0xe5, 0x88, 0x0e, 0x8c, 0x68,
			0x74, 0x34, 0x17, 0x0f, 0x64, 0x76, 0x60, 0x5b,
			0x8f, 0xe4, 0xae, 0xb9, 0xa2, 0x86, 0x32, 0xc7,
			0x99, 0x5c, 0xf3, 0xba, 0x83, 0x1d, 0x97, 0x63,
			0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xfe,
			0x6a, 0x32, 0x63, 0xbe, 0x37, 0xd1, 0x01, 0xb1,
			0x2e, 0x57, 0xca, 0x96, 0x6c, 0x00, 0x22, 0x93,
			0xe4, 0x19, 0xc8, 0xcd, 0x01, 0x06, 0x23, 0x0b,
			0xc6, 0x92, 0xe8, 0xcc, 0x77, 0x12, 0x21, 0xf1,
			0xdb, 0x11, 0x5d, 0x41, 0x0f, 0x82, 0x6b, 0xdb,
			0x98, 0xac, 0x64, 0x2e, 0xb1, 0xae, 0xb5, 0xa8,
			0x03, 0xd1, 0xdb, 0xc1, 0x47, 0xef, 0x37, 0x1c,
			0xfd, 0xb1, 0xce, 0xb0, 0x48, 0xcb, 0x2c, 0xa5,
			0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58,
			0x20, 0xa6, 0xd1, 0x09, 0x38, 0x5a, 0xc7, 0x8e,
			0x5b, 0xf0, 0x3d, 0x1c, 0x2e, 0x08, 0x74, 0xbe,
			0x6d, 0xbb, 0xa4, 0x0b, 0x4f, 0x2a, 0x5f, 0x2f,
			0x11, 0x82, 0x45, 0x65, 0x65, 0x53, 0x4f, 0x67,
			0x28, 0x22, 0x58, 0x20, 0x43, 0xe1, 0x08, 0x2a,
			0xf3, 0x13, 0x5b, 0x40, 0x60, 0x93, 0x79, 0xac,
			0x47, 0x42, 0x58, 0xaa, 0xb3, 0x97, 0xb8, 0x86,
			0x1d, 0xe4, 0x41, 0xb4, 0x4e, 0x83, 0x08, 0x5d,
			0x1c, 0x6b, 0xe0, 0xd0,
		},
		Format:    "none",
		Statement: AttestationStatement{},
	}, attestationObject)
}

func TestAuthenticatorAttestationResponse_UnmarshalClientData(t *testing.T) {
	response := readTestAuthenticatorAttestationResponse(t, "None")
	clientData, err := response.UnmarshalClientData()
	assert.NoError(t, err)
	assert.Equal(t, &CollectedClientData{
		Type:      "webauthn.create",
		Challenge: "-8OfJQc6LzKXCIdLZeD27v-ZLUhjTANxzqMjUNMlCmTKGYYK54hQ56AqAjlHotHll688d0ZRM6_L8lGOq3CZNw",
		Origin:    "https://localhost:44329",
	}, clientData)
}

func readTestAuthenticatorAttestationResponse(t *testing.T, name string) *AuthenticatorAttestationResponse {
	raw, err := os.ReadFile("testdata/attestation" + name + "Response.json")
	require.NoError(t, err)
	var obj struct {
		Response struct {
			AttestationObject string `json:"attestationObject"`
			ClientDataJSON    string `json:"clientDataJSON"`
		} `json:"response"`
	}
	err = json.Unmarshal(raw, &obj)
	require.NoError(t, err)
	rawAttestationObject, err := base64.RawURLEncoding.DecodeString(obj.Response.AttestationObject)
	require.NoError(t, err)
	rawClientDataJSON, err := base64.RawURLEncoding.DecodeString(obj.Response.ClientDataJSON)
	require.NoError(t, err)
	return &AuthenticatorAttestationResponse{
		AttestationObject: rawAttestationObject,
		ClientDataJSON:    rawClientDataJSON,
	}
}