AuthN: move oauth token hook into session client (#76688)
* Move rotate logic into its own function * Move oauth token sync to session client * Add user to the local cache if refresh tokens are not enabled for the provider so we can skip the check in other requests
This commit is contained in:
Karl Persson
@@ -1,174 +0,0 @@
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package sync
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"time"
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"github.com/go-jose/go-jose/v3/jwt"
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"github.com/grafana/grafana/pkg/infra/localcache"
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"github.com/grafana/grafana/pkg/infra/log"
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"github.com/grafana/grafana/pkg/login/social"
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"github.com/grafana/grafana/pkg/services/auth"
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"github.com/grafana/grafana/pkg/services/authn"
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"github.com/grafana/grafana/pkg/services/login"
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"github.com/grafana/grafana/pkg/services/oauthtoken"
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"github.com/grafana/grafana/pkg/services/user"
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)
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func ProvideOAuthTokenSync(service oauthtoken.OAuthTokenService, sessionService auth.UserTokenService, socialService social.Service) *OAuthTokenSync {
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return &OAuthTokenSync{
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log.New("oauth_token.sync"),
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localcache.New(maxOAuthTokenCacheTTL, 15*time.Minute),
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service,
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sessionService,
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socialService,
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}
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}
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type OAuthTokenSync struct {
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log log.Logger
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cache *localcache.CacheService
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service oauthtoken.OAuthTokenService
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sessionService auth.UserTokenService
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socialService social.Service
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}
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func (s *OAuthTokenSync) SyncOauthTokenHook(ctx context.Context, identity *authn.Identity, _ *authn.Request) error {
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namespace, id := identity.NamespacedID()
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// only perform oauth token check if identity is a user
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if namespace != authn.NamespaceUser {
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return nil
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}
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// not authenticated through session tokens, so we can skip this hook
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if identity.SessionToken == nil {
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return nil
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}
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// if we recently have performed this it would be cached, so we can skip the hook
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if _, ok := s.cache.Get(identity.ID); ok {
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return nil
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}
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token, exists, _ := s.service.HasOAuthEntry(ctx, &user.SignedInUser{UserID: id})
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// user is not authenticated through oauth so skip further checks
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if !exists {
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return nil
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}
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idTokenExpiry, err := getIDTokenExpiry(token)
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if err != nil {
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s.log.FromContext(ctx).Error("Failed to extract expiry of ID token", "id", identity.ID, "error", err)
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}
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// token has no expire time configured, so we don't have to refresh it
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if token.OAuthExpiry.IsZero() {
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// cache the token check, so we don't perform it on every request
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s.cache.Set(identity.ID, struct{}{}, getOAuthTokenCacheTTL(token.OAuthExpiry, idTokenExpiry))
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return nil
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}
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// get the token's auth provider (f.e. azuread)
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provider := strings.TrimPrefix(token.AuthModule, "oauth_")
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currentOAuthInfo := s.socialService.GetOAuthInfoProvider(provider)
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if currentOAuthInfo == nil {
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s.log.Warn("OAuth provider not found", "provider", provider)
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return nil
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}
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// if refresh token handling is disabled for this provider, we can skip the hook
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if !currentOAuthInfo.UseRefreshToken {
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return nil
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}
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accessTokenExpires := token.OAuthExpiry.Round(0).Add(-oauthtoken.ExpiryDelta)
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hasIdTokenExpired := false
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idTokenExpires := time.Time{}
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if !idTokenExpiry.IsZero() {
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idTokenExpires = idTokenExpiry.Round(0).Add(-oauthtoken.ExpiryDelta)
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hasIdTokenExpired = idTokenExpires.Before(time.Now())
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}
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// token has not expired, so we don't have to refresh it
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if !accessTokenExpires.Before(time.Now()) && !hasIdTokenExpired {
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// cache the token check, so we don't perform it on every request
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s.cache.Set(identity.ID, struct{}{}, getOAuthTokenCacheTTL(accessTokenExpires, idTokenExpires))
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return nil
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}
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// FIXME: Consider using context.WithoutCancel instead of context.Background after Go 1.21 update
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updateCtx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
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defer cancel()
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if err := s.service.TryTokenRefresh(updateCtx, token); err != nil {
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if errors.Is(err, context.Canceled) {
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return nil
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}
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if !errors.Is(err, oauthtoken.ErrNoRefreshTokenFound) {
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s.log.Error("Failed to refresh OAuth access token", "id", identity.ID, "error", err)
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}
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if err := s.service.InvalidateOAuthTokens(ctx, token); err != nil {
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s.log.Warn("Failed to invalidate OAuth tokens", "id", identity.ID, "error", err)
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}
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if err := s.sessionService.RevokeToken(ctx, identity.SessionToken, false); err != nil {
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s.log.Warn("Failed to revoke session token", "id", identity.ID, "tokenId", identity.SessionToken.Id, "error", err)
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}
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return authn.ErrExpiredAccessToken.Errorf("oauth access token could not be refreshed: %w", err)
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}
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return nil
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}
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const maxOAuthTokenCacheTTL = 10 * time.Minute
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func getOAuthTokenCacheTTL(accessTokenExpiry, idTokenExpiry time.Time) time.Duration {
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if accessTokenExpiry.IsZero() && idTokenExpiry.IsZero() {
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return maxOAuthTokenCacheTTL
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}
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min := func(a, b time.Duration) time.Duration {
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if a <= b {
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return a
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}
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return b
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}
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if accessTokenExpiry.IsZero() && !idTokenExpiry.IsZero() {
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return min(time.Until(idTokenExpiry), maxOAuthTokenCacheTTL)
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}
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if !accessTokenExpiry.IsZero() && idTokenExpiry.IsZero() {
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return min(time.Until(accessTokenExpiry), maxOAuthTokenCacheTTL)
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}
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return min(min(time.Until(accessTokenExpiry), time.Until(idTokenExpiry)), maxOAuthTokenCacheTTL)
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}
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// getIDTokenExpiry extracts the expiry time from the ID token
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func getIDTokenExpiry(token *login.UserAuth) (time.Time, error) {
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if token.OAuthIdToken == "" {
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return time.Time{}, nil
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}
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parsedToken, err := jwt.ParseSigned(token.OAuthIdToken)
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if err != nil {
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return time.Time{}, fmt.Errorf("error parsing id token: %w", err)
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}
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type Claims struct {
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Exp int64 `json:"exp"`
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}
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var claims Claims
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if err := parsedToken.UnsafeClaimsWithoutVerification(&claims); err != nil {
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return time.Time{}, fmt.Errorf("error getting claims from id token: %w", err)
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}
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return time.Unix(claims.Exp, 0), nil
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}
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@@ -1,258 +0,0 @@
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package sync
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/grafana/grafana/pkg/infra/localcache"
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"github.com/grafana/grafana/pkg/infra/log"
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"github.com/grafana/grafana/pkg/login/social"
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"github.com/grafana/grafana/pkg/login/socialtest"
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"github.com/grafana/grafana/pkg/services/auth"
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"github.com/grafana/grafana/pkg/services/auth/authtest"
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"github.com/grafana/grafana/pkg/services/auth/identity"
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"github.com/grafana/grafana/pkg/services/authn"
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"github.com/grafana/grafana/pkg/services/login"
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"github.com/grafana/grafana/pkg/services/oauthtoken/oauthtokentest"
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)
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func TestOAuthTokenSync_SyncOAuthTokenHook(t *testing.T) {
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type testCase struct {
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desc string
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identity *authn.Identity
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oauthInfo *social.OAuthInfo
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expectedHasEntryToken *login.UserAuth
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expectHasEntryCalled bool
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expectedTryRefreshErr error
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expectTryRefreshTokenCalled bool
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expectRevokeTokenCalled bool
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expectInvalidateOauthTokensCalled bool
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expectedErr error
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}
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tests := []testCase{
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{
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desc: "should skip sync when identity is not a user",
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identity: &authn.Identity{ID: "service-account:1"},
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},
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{
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desc: "should skip sync when identity is a user but is not authenticated with session token",
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identity: &authn.Identity{ID: "user:1"},
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},
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{
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desc: "should skip sync when user has session but is not authenticated with oauth",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}},
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expectHasEntryCalled: true,
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},
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{
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desc: "should skip sync for when access token don't have expire time",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}},
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expectHasEntryCalled: true,
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expectedHasEntryToken: &login.UserAuth{},
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},
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{
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desc: "should skip sync when access token has no expired yet",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}},
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expectHasEntryCalled: true,
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expectedHasEntryToken: &login.UserAuth{OAuthExpiry: time.Now().Add(10 * time.Minute)},
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},
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{
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desc: "should skip sync when access token has no expired yet",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}},
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expectHasEntryCalled: true,
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expectedHasEntryToken: &login.UserAuth{OAuthExpiry: time.Now().Add(10 * time.Minute)},
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},
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{
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desc: "should refresh access token when is has expired",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}},
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expectHasEntryCalled: true,
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expectTryRefreshTokenCalled: true,
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expectedHasEntryToken: &login.UserAuth{OAuthExpiry: time.Now().Add(-10 * time.Minute)},
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},
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{
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desc: "should invalidate access token and session token if access token can't be refreshed",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}},
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expectHasEntryCalled: true,
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expectedTryRefreshErr: errors.New("some err"),
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expectTryRefreshTokenCalled: true,
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expectInvalidateOauthTokensCalled: true,
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expectRevokeTokenCalled: true,
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expectedHasEntryToken: &login.UserAuth{OAuthExpiry: time.Now().Add(-10 * time.Minute)},
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expectedErr: authn.ErrExpiredAccessToken,
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}, {
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desc: "should skip sync when use_refresh_token is disabled",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}, AuthenticatedBy: login.GitLabAuthModule},
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expectHasEntryCalled: true,
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expectTryRefreshTokenCalled: false,
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expectedHasEntryToken: &login.UserAuth{OAuthExpiry: time.Now().Add(-10 * time.Minute)},
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oauthInfo: &social.OAuthInfo{UseRefreshToken: false},
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},
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{
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desc: "should refresh access token when ID token has expired",
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identity: &authn.Identity{ID: "user:1", SessionToken: &auth.UserToken{}},
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expectHasEntryCalled: true,
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expectTryRefreshTokenCalled: true,
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expectedHasEntryToken: &login.UserAuth{OAuthExpiry: time.Now().Add(10 * time.Minute), OAuthIdToken: fakeIDToken(t, time.Now().Add(-10*time.Minute))},
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},
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}
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for _, tt := range tests {
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t.Run(tt.desc, func(t *testing.T) {
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var (
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hasEntryCalled bool
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tryRefreshCalled bool
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invalidateTokensCalled bool
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revokeTokenCalled bool
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)
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service := &oauthtokentest.MockOauthTokenService{
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HasOAuthEntryFunc: func(ctx context.Context, usr identity.Requester) (*login.UserAuth, bool, error) {
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hasEntryCalled = true
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return tt.expectedHasEntryToken, tt.expectedHasEntryToken != nil, nil
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},
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InvalidateOAuthTokensFunc: func(ctx context.Context, usr *login.UserAuth) error {
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invalidateTokensCalled = true
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return nil
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},
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TryTokenRefreshFunc: func(ctx context.Context, usr *login.UserAuth) error {
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tryRefreshCalled = true
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return tt.expectedTryRefreshErr
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},
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}
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sessionService := &authtest.FakeUserAuthTokenService{
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RevokeTokenProvider: func(ctx context.Context, token *auth.UserToken, soft bool) error {
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revokeTokenCalled = true
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return nil
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},
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}
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if tt.oauthInfo == nil {
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tt.oauthInfo = &social.OAuthInfo{
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UseRefreshToken: true,
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}
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}
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socialService := &socialtest.FakeSocialService{
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ExpectedAuthInfoProvider: tt.oauthInfo,
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}
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sync := &OAuthTokenSync{
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log: log.NewNopLogger(),
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cache: localcache.New(0, 0),
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service: service,
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sessionService: sessionService,
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socialService: socialService,
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}
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err := sync.SyncOauthTokenHook(context.Background(), tt.identity, nil)
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assert.ErrorIs(t, err, tt.expectedErr)
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assert.Equal(t, tt.expectHasEntryCalled, hasEntryCalled)
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assert.Equal(t, tt.expectTryRefreshTokenCalled, tryRefreshCalled)
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assert.Equal(t, tt.expectInvalidateOauthTokensCalled, invalidateTokensCalled)
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assert.Equal(t, tt.expectRevokeTokenCalled, revokeTokenCalled)
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})
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}
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}
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// fakeIDToken is used to create a fake invalid token to verify expiry logic
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func fakeIDToken(t *testing.T, expiryDate time.Time) string {
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type Header struct {
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Kid string `json:"kid"`
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Alg string `json:"alg"`
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}
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type Payload struct {
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Iss string `json:"iss"`
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Sub string `json:"sub"`
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Exp int64 `json:"exp"`
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}
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header, err := json.Marshal(Header{Kid: "123", Alg: "none"})
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require.NoError(t, err)
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u := expiryDate.UTC().Unix()
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payload, err := json.Marshal(Payload{Iss: "fake", Sub: "a-sub", Exp: u})
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require.NoError(t, err)
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fakeSignature := []byte("6ICJm")
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return fmt.Sprintf("%s.%s.%s", base64.RawURLEncoding.EncodeToString(header), base64.RawURLEncoding.EncodeToString(payload), base64.RawURLEncoding.EncodeToString(fakeSignature))
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}
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func TestOAuthTokenSync_getOAuthTokenCacheTTL(t *testing.T) {
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defaultTime := time.Now()
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tests := []struct {
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name string
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accessTokenExpiry time.Time
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idTokenExpiry time.Time
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want time.Duration
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}{
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{
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name: "should return maxOAuthTokenCacheTTL when no expiry is given",
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accessTokenExpiry: time.Time{},
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idTokenExpiry: time.Time{},
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want: maxOAuthTokenCacheTTL,
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},
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{
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name: "should return maxOAuthTokenCacheTTL when access token is not given and id token expiry is greater than max cache ttl",
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accessTokenExpiry: time.Time{},
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idTokenExpiry: defaultTime.Add(5*time.Minute + maxOAuthTokenCacheTTL),
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want: maxOAuthTokenCacheTTL,
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},
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{
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name: "should return idTokenExpiry when access token is not given and id token expiry is less than max cache ttl",
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accessTokenExpiry: time.Time{},
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idTokenExpiry: defaultTime.Add(-5*time.Minute + maxOAuthTokenCacheTTL),
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want: time.Until(defaultTime.Add(-5*time.Minute + maxOAuthTokenCacheTTL)),
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},
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{
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name: "should return maxOAuthTokenCacheTTL when access token expiry is greater than max cache ttl and id token is not given",
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accessTokenExpiry: defaultTime.Add(5*time.Minute + maxOAuthTokenCacheTTL),
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idTokenExpiry: time.Time{},
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want: maxOAuthTokenCacheTTL,
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},
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{
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name: "should return accessTokenExpiry when access token expiry is less than max cache ttl and id token is not given",
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accessTokenExpiry: defaultTime.Add(-5*time.Minute + maxOAuthTokenCacheTTL),
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idTokenExpiry: time.Time{},
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want: time.Until(defaultTime.Add(-5*time.Minute + maxOAuthTokenCacheTTL)),
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},
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{
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name: "should return accessTokenExpiry when access token expiry is less than max cache ttl and less than id token expiry",
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accessTokenExpiry: defaultTime.Add(-5*time.Minute + maxOAuthTokenCacheTTL),
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idTokenExpiry: defaultTime.Add(5*time.Minute + maxOAuthTokenCacheTTL),
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want: time.Until(defaultTime.Add(-5*time.Minute + maxOAuthTokenCacheTTL)),
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},
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{
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name: "should return idTokenExpiry when id token expiry is less than max cache ttl and less than access token expiry",
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accessTokenExpiry: defaultTime.Add(5*time.Minute + maxOAuthTokenCacheTTL),
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idTokenExpiry: defaultTime.Add(-3*time.Minute + maxOAuthTokenCacheTTL),
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want: time.Until(defaultTime.Add(-3*time.Minute + maxOAuthTokenCacheTTL)),
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},
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{
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name: "should return maxOAuthTokenCacheTTL when access token expiry is greater than max cache ttl and id token expiry is greater than max cache ttl",
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accessTokenExpiry: defaultTime.Add(5*time.Minute + maxOAuthTokenCacheTTL),
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idTokenExpiry: defaultTime.Add(5*time.Minute + maxOAuthTokenCacheTTL),
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want: maxOAuthTokenCacheTTL,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := getOAuthTokenCacheTTL(tt.accessTokenExpiry, tt.idTokenExpiry)
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assert.Equal(t, tt.want.Round(time.Second), got.Round(time.Second))
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})
|
||||
}
|
||||
}
|
||||
@@ -394,4 +394,5 @@ func syncSignedInUserToIdentity(usr *user.SignedInUser, identity *authn.Identity
|
||||
identity.LastSeenAt = usr.LastSeenAt
|
||||
identity.IsDisabled = usr.IsDisabled
|
||||
identity.IsGrafanaAdmin = &usr.IsGrafanaAdmin
|
||||
identity.AuthenticatedBy = usr.AuthenticatedBy
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user