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Decoupled code from DefaultSigningKey (#16743)

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Decoupled code from `DefaultSigningKey`. Makes testing a little bit easier and is cleaner.
This commit is contained in:
KN4CK3R 2021-08-27 21:28:00 +02:00 committed by GitHub
parent cd8db3a83d
commit 88abb0dc8a
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 27 additions and 27 deletions
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33
routers/web/user/oauth.go
View file

@ -115,7 +115,7 @@ type AccessTokenResponse struct {
IDToken string `json:"id_token,omitempty"`
}
func newAccessTokenResponse(grant *models.OAuth2Grant, signingKey oauth2.JWTSigningKey) (*AccessTokenResponse, *AccessTokenError) {
func newAccessTokenResponse(grant *models.OAuth2Grant, serverKey, clientKey oauth2.JWTSigningKey) (*AccessTokenResponse, *AccessTokenError) {
if setting.OAuth2.InvalidateRefreshTokens {
if err := grant.IncreaseCounter(); err != nil {
return nil, &AccessTokenError{
@ -133,7 +133,7 @@ func newAccessTokenResponse(grant *models.OAuth2Grant, signingKey oauth2.JWTSign
ExpiresAt: expirationDate.AsTime().Unix(),
},
}
signedAccessToken, err := accessToken.SignToken()
signedAccessToken, err := accessToken.SignToken(serverKey)
if err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
@ -151,7 +151,7 @@ func newAccessTokenResponse(grant *models.OAuth2Grant, signingKey oauth2.JWTSign
ExpiresAt: refreshExpirationDate,
},
}
signedRefreshToken, err := refreshToken.SignToken()
signedRefreshToken, err := refreshToken.SignToken(serverKey)
if err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
@ -207,7 +207,7 @@ func newAccessTokenResponse(grant *models.OAuth2Grant, signingKey oauth2.JWTSign
idToken.EmailVerified = user.IsActive
}
signedIDToken, err = idToken.SignToken(signingKey)
signedIDToken, err = idToken.SignToken(clientKey)
if err != nil {
return nil, &AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
@ -265,7 +265,7 @@ func IntrospectOAuth(ctx *context.Context) {
}
form := web.GetForm(ctx).(*forms.IntrospectTokenForm)
token, err := oauth2.ParseToken(form.Token)
token, err := oauth2.ParseToken(form.Token, oauth2.DefaultSigningKey)
if err == nil {
if token.Valid() == nil {
grant, err := models.GetOAuth2GrantByID(token.GrantID)
@ -544,9 +544,11 @@ func AccessTokenOAuth(ctx *context.Context) {
}
}
signingKey := oauth2.DefaultSigningKey
if signingKey.IsSymmetric() {
clientKey, err := oauth2.CreateJWTSigningKey(signingKey.SigningMethod().Alg(), []byte(form.ClientSecret))
serverKey := oauth2.DefaultSigningKey
clientKey := serverKey
if serverKey.IsSymmetric() {
var err error
clientKey, err = oauth2.CreateJWTSigningKey(serverKey.SigningMethod().Alg(), []byte(form.ClientSecret))
if err != nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeInvalidRequest,
@ -554,14 +556,13 @@ func AccessTokenOAuth(ctx *context.Context) {
})
return
}
signingKey = clientKey
}
switch form.GrantType {
case "refresh_token":
handleRefreshToken(ctx, form, signingKey)
handleRefreshToken(ctx, form, serverKey, clientKey)
case "authorization_code":
handleAuthorizationCode(ctx, form, signingKey)
handleAuthorizationCode(ctx, form, serverKey, clientKey)
default:
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnsupportedGrantType,
@ -570,8 +571,8 @@ func AccessTokenOAuth(ctx *context.Context) {
}
}
func handleRefreshToken(ctx *context.Context, form forms.AccessTokenForm, signingKey oauth2.JWTSigningKey) {
token, err := oauth2.ParseToken(form.RefreshToken)
func handleRefreshToken(ctx *context.Context, form forms.AccessTokenForm, serverKey, clientKey oauth2.JWTSigningKey) {
token, err := oauth2.ParseToken(form.RefreshToken, serverKey)
if err != nil {
handleAccessTokenError(ctx, AccessTokenError{
ErrorCode: AccessTokenErrorCodeUnauthorizedClient,
@ -598,7 +599,7 @@ func handleRefreshToken(ctx *context.Context, form forms.AccessTokenForm, signin
log.Warn("A client tried to use a refresh token for grant_id = %d was used twice!", grant.ID)
return
}
accessToken, tokenErr := newAccessTokenResponse(grant, signingKey)
accessToken, tokenErr := newAccessTokenResponse(grant, serverKey, clientKey)
if tokenErr != nil {
handleAccessTokenError(ctx, *tokenErr)
return
@ -606,7 +607,7 @@ func handleRefreshToken(ctx *context.Context, form forms.AccessTokenForm, signin
ctx.JSON(http.StatusOK, accessToken)
}
func handleAuthorizationCode(ctx *context.Context, form forms.AccessTokenForm, signingKey oauth2.JWTSigningKey) {
func handleAuthorizationCode(ctx *context.Context, form forms.AccessTokenForm, serverKey, clientKey oauth2.JWTSigningKey) {
app, err := models.GetOAuth2ApplicationByClientID(form.ClientID)
if err != nil {
handleAccessTokenError(ctx, AccessTokenError{
@ -660,7 +661,7 @@ func handleAuthorizationCode(ctx *context.Context, form forms.AccessTokenForm, s
ErrorDescription: "cannot proceed your request",
})
}
resp, tokenErr := newAccessTokenResponse(authorizationCode.Grant, signingKey)
resp, tokenErr := newAccessTokenResponse(authorizationCode.Grant, serverKey, clientKey)
if tokenErr != nil {
handleAccessTokenError(ctx, *tokenErr)
return

3
routers/web/user/oauth_test.go
View file

@ -18,9 +18,8 @@ func createAndParseToken(t *testing.T, grant *models.OAuth2Grant) *oauth2.OIDCTo
signingKey, err := oauth2.CreateJWTSigningKey("HS256", make([]byte, 32))
assert.NoError(t, err)
assert.NotNil(t, signingKey)
oauth2.DefaultSigningKey = signingKey
response, terr := newAccessTokenResponse(grant, signingKey)
response, terr := newAccessTokenResponse(grant, signingKey, signingKey)
assert.Nil(t, terr)
assert.NotNil(t, response)

4
services/auth/oauth2.go
View file

@ -29,9 +29,9 @@ func CheckOAuthAccessToken(accessToken string) int64 {
if !strings.Contains(accessToken, ".") {
return 0
}
token, err := oauth2.ParseToken(accessToken)
token, err := oauth2.ParseToken(accessToken, oauth2.DefaultSigningKey)
if err != nil {
log.Trace("ParseOAuth2Token: %v", err)
log.Trace("oauth2.ParseToken: %v", err)
return 0
}
var grant *models.OAuth2Grant

14
services/auth/source/oauth2/token.go
View file

@ -40,12 +40,12 @@ type Token struct {
}
// ParseToken parses a signed jwt string
func ParseToken(jwtToken string) (*Token, error) {
func ParseToken(jwtToken string, signingKey JWTSigningKey) (*Token, error) {
parsedToken, err := jwt.ParseWithClaims(jwtToken, &Token{}, func(token *jwt.Token) (interface{}, error) {
if token.Method == nil || token.Method.Alg() != DefaultSigningKey.SigningMethod().Alg() {
if token.Method == nil || token.Method.Alg() != signingKey.SigningMethod().Alg() {
return nil, fmt.Errorf("unexpected signing algo: %v", token.Header["alg"])
}
return DefaultSigningKey.VerifyKey(), nil
return signingKey.VerifyKey(), nil
})
if err != nil {
return nil, err
@ -59,11 +59,11 @@ func ParseToken(jwtToken string) (*Token, error) {
}
// SignToken signs the token with the JWT secret
func (token *Token) SignToken() (string, error) {
func (token *Token) SignToken(signingKey JWTSigningKey) (string, error) {
token.IssuedAt = time.Now().Unix()
jwtToken := jwt.NewWithClaims(DefaultSigningKey.SigningMethod(), token)
DefaultSigningKey.PreProcessToken(jwtToken)
return jwtToken.SignedString(DefaultSigningKey.SignKey())
jwtToken := jwt.NewWithClaims(signingKey.SigningMethod(), token)
signingKey.PreProcessToken(jwtToken)
return jwtToken.SignedString(signingKey.SignKey())
}
// OIDCToken represents an OpenID Connect id_token