mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-26 07:59:37 -05:00
315 lines
12 KiB
Go
315 lines
12 KiB
Go
package config
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import (
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"context"
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"errors"
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"io/ioutil"
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"net/http"
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"net/url"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestMarshalYAML(t *testing.T) {
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testCases := map[string]struct {
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measurements Measurements
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wantBase64Map map[uint32]string
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}{
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"valid measurements": {
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measurements: Measurements{
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2: []byte{253, 93, 233, 223, 53, 14, 59, 196, 65, 10, 192, 107, 191, 229, 204, 222, 185, 63, 83, 185, 239, 81, 35, 159, 117, 44, 230, 157, 188, 96, 15, 53},
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3: []byte{213, 164, 73, 109, 33, 222, 201, 165, 37, 141, 219, 25, 198, 254, 181, 59, 180, 211, 192, 70, 63, 230, 7, 242, 72, 141, 223, 79, 16, 6, 239, 158},
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},
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wantBase64Map: map[uint32]string{
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2: "/V3p3zUOO8RBCsBrv+XM3rk/U7nvUSOfdSzmnbxgDzU=",
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3: "1aRJbSHeyaUljdsZxv61O7TTwEY/5gfySI3fTxAG754=",
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},
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},
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"omit bytes": {
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measurements: Measurements{
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2: []byte{},
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3: []byte{1, 2, 3, 4},
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},
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wantBase64Map: map[uint32]string{
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2: "",
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3: "AQIDBA==",
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},
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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base64Map, err := tc.measurements.MarshalYAML()
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require.NoError(err)
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assert.Equal(tc.wantBase64Map, base64Map)
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})
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}
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}
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func TestUnmarshalYAML(t *testing.T) {
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testCases := map[string]struct {
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inputBase64Map map[uint32]string
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forceUnmarshalError bool
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wantMeasurements Measurements
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wantErr bool
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}{
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"valid measurements": {
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inputBase64Map: map[uint32]string{
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2: "/V3p3zUOO8RBCsBrv+XM3rk/U7nvUSOfdSzmnbxgDzU=",
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3: "1aRJbSHeyaUljdsZxv61O7TTwEY/5gfySI3fTxAG754=",
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},
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wantMeasurements: Measurements{
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2: []byte{253, 93, 233, 223, 53, 14, 59, 196, 65, 10, 192, 107, 191, 229, 204, 222, 185, 63, 83, 185, 239, 81, 35, 159, 117, 44, 230, 157, 188, 96, 15, 53},
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3: []byte{213, 164, 73, 109, 33, 222, 201, 165, 37, 141, 219, 25, 198, 254, 181, 59, 180, 211, 192, 70, 63, 230, 7, 242, 72, 141, 223, 79, 16, 6, 239, 158},
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},
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},
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"empty bytes": {
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inputBase64Map: map[uint32]string{
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2: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
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3: "AQIDBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
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},
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wantMeasurements: Measurements{
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2: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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3: []byte{1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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},
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},
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"invalid base64": {
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inputBase64Map: map[uint32]string{
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2: "This is not base64",
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3: "AQIDBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
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},
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wantMeasurements: Measurements{
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2: []byte{},
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3: []byte{1, 2, 3, 4},
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},
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wantErr: true,
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},
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"simulated unmarshal error": {
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inputBase64Map: map[uint32]string{
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2: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
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3: "AQIDBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
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},
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forceUnmarshalError: true,
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wantMeasurements: Measurements{
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2: []byte{},
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3: []byte{1, 2, 3, 4},
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},
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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var m Measurements
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err := m.UnmarshalYAML(func(i interface{}) error {
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if base64Map, ok := i.(map[uint32]string); ok {
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for key, value := range tc.inputBase64Map {
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base64Map[key] = value
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}
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}
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if tc.forceUnmarshalError {
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return errors.New("unmarshal error")
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}
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return nil
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})
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if tc.wantErr {
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assert.Error(err)
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} else {
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require.NoError(err)
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assert.Equal(tc.wantMeasurements, m)
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}
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})
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}
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}
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func TestMeasurementsCopyFrom(t *testing.T) {
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testCases := map[string]struct {
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current Measurements
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newMeasurements Measurements
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wantMeasurements Measurements
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}{
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"add to empty": {
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current: Measurements{},
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newMeasurements: Measurements{
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1: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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2: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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3: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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},
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wantMeasurements: Measurements{
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1: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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2: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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3: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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},
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},
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"keep existing": {
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current: Measurements{
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4: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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5: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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},
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newMeasurements: Measurements{
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1: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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2: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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3: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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},
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wantMeasurements: Measurements{
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1: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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2: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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3: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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4: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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5: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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},
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},
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"overwrite existing": {
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current: Measurements{
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2: []byte{4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4},
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3: []byte{5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5},
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},
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newMeasurements: Measurements{
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1: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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2: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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3: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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},
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wantMeasurements: Measurements{
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1: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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2: []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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3: []byte{2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
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},
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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tc.current.CopyFrom(tc.newMeasurements)
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assert.Equal(tc.wantMeasurements, tc.current)
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})
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}
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}
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// roundTripFunc .
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type roundTripFunc func(req *http.Request) *http.Response
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// RoundTrip .
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func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return f(req), nil
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}
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// newTestClient returns *http.Client with Transport replaced to avoid making real calls.
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func newTestClient(fn roundTripFunc) *http.Client {
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return &http.Client{
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Transport: fn,
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}
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}
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func urlMustParse(raw string) *url.URL {
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parsed, _ := url.Parse(raw)
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return parsed
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}
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func TestMeasurementsFetchAndVerify(t *testing.T) {
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testCases := map[string]struct {
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measurements string
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measurementsStatus int
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signature string
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signatureStatus int
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publicKey []byte
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wantMeasurements Measurements
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wantError bool
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}{
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"simple": {
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measurements: "0: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\n",
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measurementsStatus: http.StatusOK,
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signature: "MEUCIBs1g2/n0FsgPfJ+0uLD5TaunGhxwDcQcUGBroejKvg3AiEAzZtcLU9O6IiVhxB8tBS+ty6MXoPNwL8WRWMzyr35eKI=",
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signatureStatus: http.StatusOK,
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publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----"),
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wantMeasurements: Measurements{
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0: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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},
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},
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"404 measurements": {
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measurements: "0: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\n",
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measurementsStatus: http.StatusNotFound,
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signature: "MEUCIBs1g2/n0FsgPfJ+0uLD5TaunGhxwDcQcUGBroejKvg3AiEAzZtcLU9O6IiVhxB8tBS+ty6MXoPNwL8WRWMzyr35eKI=",
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signatureStatus: http.StatusOK,
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publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----"),
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wantError: true,
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},
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"404 signature": {
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measurements: "0: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\n",
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measurementsStatus: http.StatusOK,
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signature: "MEUCIBs1g2/n0FsgPfJ+0uLD5TaunGhxwDcQcUGBroejKvg3AiEAzZtcLU9O6IiVhxB8tBS+ty6MXoPNwL8WRWMzyr35eKI=",
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signatureStatus: http.StatusNotFound,
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publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----"),
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wantError: true,
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},
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"broken signature": {
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measurements: "0: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\n",
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measurementsStatus: http.StatusOK,
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signature: "AAAAAAs1g2/n0FsgPfJ+0uLD5TaunGhxwDcQcUGBroejKvg3AiEAzZtcLU9O6IiVhxB8tBS+ty6MXoPNwL8WRWMzyr35eKI=",
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signatureStatus: http.StatusOK,
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publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----"),
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wantError: true,
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},
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"not yaml": {
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measurements: "This is some content to be signed!\n",
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measurementsStatus: http.StatusOK,
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signature: "MEUCIQDzMN3yaiO9sxLGAaSA9YD8rLwzvOaZKWa/bzkcjImUFAIgXLLGzClYUd1dGbuEiY3O/g/eiwQYlyxqLQalxjFmz+8=",
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signatureStatus: http.StatusOK,
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publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAElWUhon39eAqzEC+/GP03oY4/MQg+\ngCDlEzkuOCybCHf+q766bve799L7Y5y5oRsHY1MrUCUwYF/tL7Sg7EYMsA==\n-----END PUBLIC KEY-----"),
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wantError: true,
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},
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}
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measurementsURL := urlMustParse("https://somesite.com/measurements.yaml")
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signatureURL := urlMustParse("https://somesite.com/measurements.yaml.sig")
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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client := newTestClient(func(req *http.Request) *http.Response {
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if req.URL.String() == measurementsURL.String() {
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return &http.Response{
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StatusCode: tc.measurementsStatus,
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Body: ioutil.NopCloser(strings.NewReader(tc.measurements)),
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Header: make(http.Header),
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}
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}
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if req.URL.String() == signatureURL.String() {
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return &http.Response{
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StatusCode: tc.signatureStatus,
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Body: ioutil.NopCloser(strings.NewReader(tc.signature)),
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Header: make(http.Header),
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}
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}
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return &http.Response{
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StatusCode: http.StatusNotFound,
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Body: ioutil.NopCloser(strings.NewReader("Not found.")),
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Header: make(http.Header),
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}
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})
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m := Measurements{}
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err := m.FetchAndVerify(context.Background(), client, measurementsURL, signatureURL, tc.publicKey)
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if tc.wantError {
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assert.Error(err)
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return
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}
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assert.NoError(err)
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assert.EqualValues(tc.wantMeasurements, m)
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})
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}
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}
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