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Add option to disable refresh token invalidation (#6584)

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* Add option to disable refresh token invalidation

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add integration tests and remove wrong todos

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix typo

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix tests and add documentation

Signed-off-by: Jonas Franz <info@jonasfranz.software>
This commit is contained in:
Jonas Franz 2019-04-12 09:50:21 +02:00 committed by Lunny Xiao
parent 3ff0a126e1
commit 783cd64927
6 changed files with 57 additions and 11 deletions
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2
custom/conf/app.ini.sample
View file

@ -680,6 +680,8 @@ ENABLED = true
ACCESS_TOKEN_EXPIRATION_TIME=3600
; Lifetime of an OAuth2 access token in hours
REFRESH_TOKEN_EXPIRATION_TIME=730
; Check if refresh token got already used
INVALIDATE_REFRESH_TOKENS=false
; OAuth2 authentication secret for access and refresh tokens, change this a unique string.
JWT_SECRET=Bk0yK7Y9g_p56v86KaHqjSbxvNvu3SbKoOdOt2ZcXvU

1
docs/content/doc/advanced/config-cheat-sheet.en-us.md
View file

@ -409,6 +409,7 @@ NB: You must `REDIRECT_MACARON_LOG` and have `DISABLE_ROUTER_LOG` set to `false`
- `ENABLED`: **true**: Enables OAuth2 provider.
- `ACCESS_TOKEN_EXPIRATION_TIME`: **3600**: Lifetime of an OAuth2 access token in seconds
- `REFRESH_TOKEN_EXPIRATION_TIME`: **730**: Lifetime of an OAuth2 access token in hours
- `INVALIDATE_REFRESH_TOKEN`: **false**: Check if refresh token got already used
- `JWT_SECRET`: **\<empty\>**: OAuth2 authentication secret for access and refresh tokens, change this a unique string.
## i18n (`i18n`)

41
integrations/oauth_test.go
View file

@ -8,6 +8,8 @@ import (
"encoding/json"
"testing"
"code.gitea.io/gitea/modules/setting"
"github.com/stretchr/testify/assert"
)
@ -177,3 +179,42 @@ func TestAccessTokenExchangeWithBasicAuth(t *testing.T) {
})
resp = MakeRequest(t, req, 400)
}
func TestRefreshTokenInvalidation(t *testing.T) {
prepareTestEnv(t)
req := NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "authorization_code",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "a",
"code": "authcode",
"code_verifier": "N1Zo9-8Rfwhkt68r1r29ty8YwIraXR8eh_1Qwxg7yQXsonBt", // test PKCE additionally
})
resp := MakeRequest(t, req, 200)
type response struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
ExpiresIn int64 `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
}
parsed := new(response)
assert.NoError(t, json.Unmarshal(resp.Body.Bytes(), parsed))
// test without invalidation
setting.OAuth2.InvalidateRefreshTokens = false
refreshReq := NewRequestWithValues(t, "POST", "/login/oauth/access_token", map[string]string{
"grant_type": "refresh_token",
"client_id": "da7da3ba-9a13-4167-856f-3899de0b0138",
"client_secret": "4MK8Na6R55smdCY0WuCCumZ6hjRPnGY5saWVRHHjJiA=",
"redirect_uri": "a",
"refresh_token": parsed.RefreshToken,
})
MakeRequest(t, refreshReq, 200)
MakeRequest(t, refreshReq, 200)
// test with invalidation
setting.OAuth2.InvalidateRefreshTokens = true
MakeRequest(t, refreshReq, 200)
MakeRequest(t, refreshReq, 400)
}

1
modules/auth/user_form.go
View file

@ -172,7 +172,6 @@ type AccessTokenForm struct {
ClientID string
ClientSecret string
RedirectURI string
// TODO Specify authentication code length to prevent against birthday attacks
Code string
RefreshToken string

2
modules/setting/setting.go
View file

@ -304,12 +304,14 @@ var (
Enable bool
AccessTokenExpirationTime int64
RefreshTokenExpirationTime int64
InvalidateRefreshTokens bool
JWTSecretBytes []byte `ini:"-"`
JWTSecretBase64 string `ini:"JWT_SECRET"`
}{
Enable: true,
AccessTokenExpirationTime: 3600,
RefreshTokenExpirationTime: 730,
InvalidateRefreshTokens: false,
}
U2F = struct {

21
routers/user/oauth.go
View file

@ -102,18 +102,19 @@ const (
// AccessTokenResponse represents a successful access token response
type AccessTokenResponse struct {
AccessToken string `json:"access_token"`
TokenType TokenType `json:"token_type"`
ExpiresIn int64 `json:"expires_in"`
// TODO implement RefreshToken
RefreshToken string `json:"refresh_token"`
AccessToken string `json:"access_token"`
TokenType TokenType `json:"token_type"`
ExpiresIn int64 `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
}
func newAccessTokenResponse(grant *models.OAuth2Grant) (*AccessTokenResponse, *AccessTokenError) {
if err := grant.IncreaseCounter(); err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidGrant,
ErrorDescription: "cannot increase the grant counter",
if setting.OAuth2.InvalidateRefreshTokens {
if err := grant.IncreaseCounter(); err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidGrant,
ErrorDescription: "cannot increase the grant counter",
}
}
}
// generate access token to access the API
@ -366,7 +367,7 @@ func handleRefreshToken(ctx *context.Context, form auth.AccessTokenForm) {
}
// check if token got already used
if grant.Counter != token.Counter || token.Counter == 0 {
if setting.OAuth2.InvalidateRefreshTokens && (grant.Counter != token.Counter || token.Counter == 0) {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
ErrorDescription: "token was already used",