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//go:build go1.16
// +build go1.16
package ssocreds
import (
"context"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"time"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/internal/sdk"
"github.com/aws/aws-sdk-go-v2/service/ssooidc"
smithybearer "github.com/aws/smithy-go/auth/bearer"
)
func TestSSOTokenProvider(t *testing.T) {
restoreTime := sdk.TestingUseReferenceTime(time.Date(2021, 12, 21, 12, 21, 1, 0, time.UTC))
defer restoreTime()
tempDir, err := ioutil.TempDir(os.TempDir(), "aws-sdk-go-v2-"+t.Name())
if err != nil {
t.Fatalf("failed to create temporary test directory, %v", err)
}
defer func() {
if err := os.RemoveAll(tempDir); err != nil {
t.Errorf("failed to cleanup temporary test directory, %v", err)
}
}()
cases := map[string]struct {
setup func() error
postRetrieve func() error
client CreateTokenAPIClient
cacheFilePath string
optFns []func(*SSOTokenProviderOptions)
expectToken smithybearer.Token
expectErr string
}{
"no cache file": {
cacheFilePath: filepath.Join("testdata", "file_not_exists"),
expectErr: "failed to read cached SSO token file",
},
"invalid json cache file": {
cacheFilePath: filepath.Join("testdata", "invalid_json.json"),
expectErr: "failed to parse cached SSO token file",
},
"missing accessToken": {
cacheFilePath: filepath.Join("testdata", "missing_accessToken.json"),
expectErr: "must contain accessToken and expiresAt fields",
},
"missing expiresAt": {
cacheFilePath: filepath.Join("testdata", "missing_expiresAt.json"),
expectErr: "must contain accessToken and expiresAt fields",
},
"expired no clientSecret": {
cacheFilePath: filepath.Join("testdata", "missing_clientSecret.json"),
expectErr: "cached SSO token is expired, or not present",
},
"expired no clientId": {
cacheFilePath: filepath.Join("testdata", "missing_clientId.json"),
expectErr: "cached SSO token is expired, or not present",
},
"expired no refreshToken": {
cacheFilePath: filepath.Join("testdata", "missing_refreshToken.json"),
expectErr: "cached SSO token is expired, or not present",
},
"valid sso token": {
cacheFilePath: filepath.Join("testdata", "valid_token.json"),
expectToken: smithybearer.Token{
Value: "dGhpcyBpcyBub3QgYSByZWFsIHZhbHVl",
CanExpire: true,
Expires: time.Date(2044, 4, 4, 7, 0, 1, 0, time.UTC),
},
},
"refresh expired token": {
setup: func() error {
testFile, err := os.ReadFile(filepath.Join("testdata", "expired_token.json"))
if err != nil {
return err
}
return os.WriteFile(filepath.Join(tempDir, "expired_token.json"), testFile, 0600)
},
postRetrieve: func() error {
actual, err := loadCachedToken(filepath.Join(tempDir, "expired_token.json"))
if err != nil {
return err
}
expect := token{
tokenKnownFields: tokenKnownFields{
AccessToken: "updated access token",
ExpiresAt: (*rfc3339)(aws.Time(time.Date(2021, 12, 21, 12, 31, 1, 0, time.UTC))),
RefreshToken: "updated refresh token",
ClientID: "client id",
ClientSecret: "client secret",
},
UnknownFields: map[string]interface{}{
"unknownField": "some value",
},
}
if diff := cmpDiff(expect, actual); diff != "" {
return fmt.Errorf("expect token file match\n%s", diff)
}
return nil
},
cacheFilePath: filepath.Join(tempDir, "expired_token.json"),
client: &mockCreateTokenAPIClient{
expectInput: &ssooidc.CreateTokenInput{
ClientId: aws.String("client id"),
ClientSecret: aws.String("client secret"),
RefreshToken: aws.String("refresh token"),
GrantType: aws.String("refresh_token"),
},
output: &ssooidc.CreateTokenOutput{
AccessToken: aws.String("updated access token"),
ExpiresIn: 600,
RefreshToken: aws.String("updated refresh token"),
},
},
expectToken: smithybearer.Token{
Value: "updated access token",
CanExpire: true,
Expires: time.Date(2021, 12, 21, 12, 31, 1, 0, time.UTC),
},
},
"fail refresh expired token": {
setup: func() error {
testFile, err := os.ReadFile(filepath.Join("testdata", "expired_token.json"))
if err != nil {
return err
}
return os.WriteFile(filepath.Join(tempDir, "expired_token.json"), testFile, 0600)
},
postRetrieve: func() error {
actual, err := loadCachedToken(filepath.Join(tempDir, "expired_token.json"))
if err != nil {
return err
}
expect := token{
tokenKnownFields: tokenKnownFields{
AccessToken: "access token",
ExpiresAt: (*rfc3339)(aws.Time(time.Date(2021, 12, 21, 12, 21, 1, 0, time.UTC))),
RefreshToken: "refresh token",
ClientID: "client id",
ClientSecret: "client secret",
},
}
if diff := cmpDiff(expect, actual); diff != "" {
return fmt.Errorf("expect token file match\n%s", diff)
}
return nil
},
cacheFilePath: filepath.Join(tempDir, "expired_token.json"),
client: &mockCreateTokenAPIClient{
err: fmt.Errorf("sky is falling"),
},
expectErr: "unable to refresh SSO token, sky is falling",
},
}
for name, c := range cases {
t.Run(name, func(t *testing.T) {
if c.setup != nil {
if err := c.setup(); err != nil {
t.Fatalf("failed to setup test, %v", err)
}
}
provider := NewSSOTokenProvider(c.client, c.cacheFilePath, c.optFns...)
token, err := provider.RetrieveBearerToken(context.Background())
if c.expectErr != "" {
if err == nil {
t.Fatalf("expect %v error, got none", c.expectErr)
}
if e, a := c.expectErr, err.Error(); !strings.Contains(a, e) {
t.Fatalf("expect %v error, got %v", e, a)
}
return
}
if err != nil {
t.Fatalf("expect no error, got %v", err)
}
if diff := cmpDiff(c.expectToken, token); diff != "" {
t.Errorf("expect token match\n%s", diff)
}
if c.postRetrieve != nil {
if err := c.postRetrieve(); err != nil {
t.Fatalf("post retrieve failed, %v", err)
}
}
})
}
}
type mockCreateTokenAPIClient struct {
expectInput *ssooidc.CreateTokenInput
output *ssooidc.CreateTokenOutput
err error
}
func (c *mockCreateTokenAPIClient) CreateToken(
ctx context.Context, input *ssooidc.CreateTokenInput, optFns ...func(*ssooidc.Options)) (
*ssooidc.CreateTokenOutput, error,
) {
if c.expectInput != nil {
if diff := cmpDiff(c.expectInput, input); diff != "" {
return nil, fmt.Errorf("expect input match\n%s", diff)
}
}
return c.output, c.err
}
func cmpDiff(e, a interface{}) string {
if !reflect.DeepEqual(e, a) {
return fmt.Sprintf("%v != %v", e, a)
}
return ""
}
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