func (s *grpcServer) Token(userID, clientID string, iat, exp time.Time) (*jose.JWT, string, error) {
signer, err := s.server.KeyManager.Signer()
if err != nil {
log.Errorf("grpc.go: Failed to generate ID token: %v", err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
user, err := s.server.UserRepo.Get(nil, userID)
if err != nil {
log.Errorf("grpc.go: Failed to fetch user %q from repo: %v: ", userID, err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
claims := oidc.NewClaims(s.server.IssuerURL.String(), userID, clientID, iat, exp)
user.AddToClaims(claims)
if user.Admin {
claims.Add(OtsimoUserTypeClaim, "adm")
}
jwt, err := jose.NewSignedJWT(claims, signer)
if err != nil {
log.Errorf("grpc.go: Failed to generate ID token: %v", err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
refreshToken, err := s.server.RefreshTokenRepo.Create(user.ID, clientID)
if err != nil {
log.Errorf("grpc.go: Failed to generate refresh token: %v", err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
return jwt, refreshToken, nil
}
func (s *Server) RefreshToken(creds oidc.ClientCredentials, token string) (*jose.JWT, error) {
ok, err := s.ClientIdentityRepo.Authenticate(creds)
if err != nil {
log.Errorf("Failed fetching client %s from repo: %v", creds.ID, err)
return nil, oauth2.NewError(oauth2.ErrorServerError)
}
if !ok {
log.Errorf("Failed to Authenticate client %s", creds.ID)
return nil, oauth2.NewError(oauth2.ErrorInvalidClient)
}
userID, err := s.RefreshTokenRepo.Verify(creds.ID, token)
switch err {
case nil:
break
case refresh.ErrorInvalidToken:
return nil, oauth2.NewError(oauth2.ErrorInvalidRequest)
case refresh.ErrorInvalidClientID:
return nil, oauth2.NewError(oauth2.ErrorInvalidClient)
default:
return nil, oauth2.NewError(oauth2.ErrorServerError)
}
user, err := s.UserRepo.Get(nil, userID)
if err != nil {
// The error can be user.ErrorNotFound, but we are not deleting
// user at this moment, so this shouldn't happen.
log.Errorf("Failed to fetch user %q from repo: %v: ", userID, err)
return nil, oauth2.NewError(oauth2.ErrorServerError)
}
signer, err := s.KeyManager.Signer()
if err != nil {
log.Errorf("Failed to refresh ID token: %v", err)
return nil, oauth2.NewError(oauth2.ErrorServerError)
}
now := time.Now()
expireAt := now.Add(session.DefaultSessionValidityWindow)
claims := oidc.NewClaims(s.IssuerURL.String(), user.ID, creds.ID, now, expireAt)
user.AddToClaims(claims)
jwt, err := jose.NewSignedJWT(claims, signer)
if err != nil {
log.Errorf("Failed to generate ID token: %v", err)
return nil, oauth2.NewError(oauth2.ErrorServerError)
}
log.Infof("New token sent: clientID=%s", creds.ID)
return jwt, nil
}
func (s *Server) CodeToken(creds oidc.ClientCredentials, sessionKey string) (*jose.JWT, string, error) {
ok, err := s.ClientManager.Authenticate(creds)
if err != nil {
log.Errorf("Failed fetching client %s from repo: %v", creds.ID, err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
if !ok {
log.Errorf("Failed to Authenticate client %s", creds.ID)
return nil, "", oauth2.NewError(oauth2.ErrorInvalidClient)
}
sessionID, err := s.SessionManager.ExchangeKey(sessionKey)
if err != nil {
return nil, "", oauth2.NewError(oauth2.ErrorInvalidGrant)
}
ses, err := s.SessionManager.Kill(sessionID)
if err != nil {
return nil, "", oauth2.NewError(oauth2.ErrorInvalidRequest)
}
if ses.ClientID != creds.ID {
return nil, "", oauth2.NewError(oauth2.ErrorInvalidGrant)
}
signer, err := s.KeyManager.Signer()
if err != nil {
log.Errorf("Failed to generate ID token: %v", err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
user, err := s.UserRepo.Get(nil, ses.UserID)
if err != nil {
log.Errorf("Failed to fetch user %q from repo: %v: ", ses.UserID, err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
claims := ses.Claims(s.IssuerURL.String())
user.AddToClaims(claims)
s.addClaimsFromScope(claims, ses.Scope, ses.ClientID)
jwt, err := jose.NewSignedJWT(claims, signer)
if err != nil {
log.Errorf("Failed to generate ID token: %v", err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
// Generate refresh token when 'scope' contains 'offline_access'.
var refreshToken string
for _, scope := range ses.Scope {
if scope == "offline_access" {
log.Infof("Session %s requests offline access, will generate refresh token", sessionID)
refreshToken, err = s.RefreshTokenRepo.Create(ses.UserID, creds.ID, ses.Scope)
switch err {
case nil:
break
default:
log.Errorf("Failed to generate refresh token: %v", err)
return nil, "", oauth2.NewError(oauth2.ErrorServerError)
}
break
}
}
log.Infof("Session %s token sent: clientID=%s", sessionID, creds.ID)
return jwt, refreshToken, nil
}