Files
grafana/pkg/services/authn/authnimpl/sync/oauth_token_sync.go
Gabriel MABILLE 596e828150 Fix: Refresh token when id_token is expired (#79569)
* Fix: Refresh token when id_token is expired

* add id_token comparison

* Fix wire

* Use userID as cache key

* Apply suggestions from code review

---------

Co-authored-by: linoman <2051016+linoman@users.noreply.github.com>
Co-authored-by: Misi <mgyongyosi@users.noreply.github.com>
2024-02-05 16:44:25 +01:00

92 lines
2.8 KiB
Go

package sync
import (
"context"
"errors"
"time"
"golang.org/x/sync/singleflight"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/login/social"
"github.com/grafana/grafana/pkg/services/auth"
"github.com/grafana/grafana/pkg/services/authn"
"github.com/grafana/grafana/pkg/services/oauthtoken"
)
func ProvideOAuthTokenSync(service oauthtoken.OAuthTokenService, sessionService auth.UserTokenService, socialService social.Service) *OAuthTokenSync {
return &OAuthTokenSync{
log.New("oauth_token.sync"),
service,
sessionService,
socialService,
new(singleflight.Group),
}
}
type OAuthTokenSync struct {
log log.Logger
service oauthtoken.OAuthTokenService
sessionService auth.UserTokenService
socialService social.Service
singleflightGroup *singleflight.Group
}
func (s *OAuthTokenSync) SyncOauthTokenHook(ctx context.Context, identity *authn.Identity, _ *authn.Request) error {
namespace, _ := identity.GetNamespacedID()
// only perform oauth token check if identity is a user
if namespace != authn.NamespaceUser {
return nil
}
// not authenticated through session tokens, so we can skip this hook
if identity.SessionToken == nil {
return nil
}
_, err, _ := s.singleflightGroup.Do(identity.ID, func() (interface{}, error) {
s.log.Debug("Singleflight request for OAuth token sync", "key", identity.ID)
// FIXME: Consider using context.WithoutCancel instead of context.Background after Go 1.21 update
updateCtx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
if refreshErr := s.service.TryTokenRefresh(updateCtx, identity); refreshErr != nil {
if errors.Is(refreshErr, context.Canceled) {
return nil, nil
}
token, _, err := s.service.HasOAuthEntry(ctx, identity)
if err != nil {
s.log.Error("Failed to get OAuth entry for verifying if token has already been refreshed", "id", identity.ID, "error", err)
return nil, err
}
// if the access token has already been refreshed by another request (for example in HA scenario)
tokenExpires := token.OAuthExpiry.Round(0).Add(-oauthtoken.ExpiryDelta)
if !tokenExpires.Before(time.Now()) {
return nil, nil
}
s.log.Error("Failed to refresh OAuth access token", "id", identity.ID, "error", refreshErr)
if err := s.service.InvalidateOAuthTokens(ctx, token); err != nil {
s.log.Warn("Failed to invalidate OAuth tokens", "id", identity.ID, "error", err)
}
if err := s.sessionService.RevokeToken(ctx, identity.SessionToken, false); err != nil {
s.log.Warn("Failed to revoke session token", "id", identity.ID, "tokenId", identity.SessionToken.Id, "error", err)
}
return nil, refreshErr
}
return nil, nil
})
if err != nil {
return authn.ErrExpiredAccessToken.Errorf("OAuth access token could not be refreshed: %w", err)
}
return nil
}