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fix serviceaccount's usage of jwt-go

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update pkg/serviceaccount for v3.x jwt-go.
This commit is contained in:
Cole Mickens 2016-07-05 18:17:57 -07:00
parent 49d5836782
commit db006d6e6b
1 changed files with 16 additions and 12 deletions
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28
pkg/serviceaccount/jwt.go
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@ -92,17 +92,19 @@ type jwtTokenGenerator struct {
func (j *jwtTokenGenerator) GenerateToken(serviceAccount api.ServiceAccount, secret api.Secret) (string, error) { func (j *jwtTokenGenerator) GenerateToken(serviceAccount api.ServiceAccount, secret api.Secret) (string, error) {
token := jwt.New(jwt.SigningMethodRS256) token := jwt.New(jwt.SigningMethodRS256)
claims, _ := token.Claims.(jwt.MapClaims)
// Identify the issuer // Identify the issuer
token.Claims[IssuerClaim] = Issuer claims[IssuerClaim] = Issuer
// Username // Username
token.Claims[SubjectClaim] = MakeUsername(serviceAccount.Namespace, serviceAccount.Name) claims[SubjectClaim] = MakeUsername(serviceAccount.Namespace, serviceAccount.Name)
// Persist enough structured info for the authenticator to be able to look up the service account and secret // Persist enough structured info for the authenticator to be able to look up the service account and secret
token.Claims[NamespaceClaim] = serviceAccount.Namespace claims[NamespaceClaim] = serviceAccount.Namespace
token.Claims[ServiceAccountNameClaim] = serviceAccount.Name claims[ServiceAccountNameClaim] = serviceAccount.Name
token.Claims[ServiceAccountUIDClaim] = serviceAccount.UID claims[ServiceAccountUIDClaim] = serviceAccount.UID
token.Claims[SecretNameClaim] = secret.Name claims[SecretNameClaim] = secret.Name
// Sign and get the complete encoded token as a string // Sign and get the complete encoded token as a string
return token.SignedString(j.key) return token.SignedString(j.key)
@ -133,6 +135,8 @@ func (j *jwtTokenAuthenticator) AuthenticateToken(token string) (user.Info, bool
return key, nil return key, nil
}) })
claims, _ := parsedToken.Claims.(jwt.MapClaims)
if err != nil { if err != nil {
switch err := err.(type) { switch err := err.(type) {
case *jwt.ValidationError: case *jwt.ValidationError:
@ -157,29 +161,29 @@ func (j *jwtTokenAuthenticator) AuthenticateToken(token string) (user.Info, bool
// If we get here, we have a token with a recognized signature // If we get here, we have a token with a recognized signature
// Make sure we issued the token // Make sure we issued the token
iss, _ := parsedToken.Claims[IssuerClaim].(string) iss, _ := claims[IssuerClaim].(string)
if iss != Issuer { if iss != Issuer {
return nil, false, nil return nil, false, nil
} }
// Make sure the claims we need exist // Make sure the claims we need exist
sub, _ := parsedToken.Claims[SubjectClaim].(string) sub, _ := claims[SubjectClaim].(string)
if len(sub) == 0 { if len(sub) == 0 {
return nil, false, errors.New("sub claim is missing") return nil, false, errors.New("sub claim is missing")
} }
namespace, _ := parsedToken.Claims[NamespaceClaim].(string) namespace, _ := claims[NamespaceClaim].(string)
if len(namespace) == 0 { if len(namespace) == 0 {
return nil, false, errors.New("namespace claim is missing") return nil, false, errors.New("namespace claim is missing")
} }
secretName, _ := parsedToken.Claims[SecretNameClaim].(string) secretName, _ := claims[SecretNameClaim].(string)
if len(namespace) == 0 { if len(namespace) == 0 {
return nil, false, errors.New("secretName claim is missing") return nil, false, errors.New("secretName claim is missing")
} }
serviceAccountName, _ := parsedToken.Claims[ServiceAccountNameClaim].(string) serviceAccountName, _ := claims[ServiceAccountNameClaim].(string)
if len(serviceAccountName) == 0 { if len(serviceAccountName) == 0 {
return nil, false, errors.New("serviceAccountName claim is missing") return nil, false, errors.New("serviceAccountName claim is missing")
} }
serviceAccountUID, _ := parsedToken.Claims[ServiceAccountUIDClaim].(string) serviceAccountUID, _ := claims[ServiceAccountUIDClaim].(string)
if len(serviceAccountUID) == 0 { if len(serviceAccountUID) == 0 {
return nil, false, errors.New("serviceAccountUID claim is missing") return nil, false, errors.New("serviceAccountUID claim is missing")
} }