mirror of https://github.com/grafana/grafana.git
75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
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package idimpl
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import (
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"context"
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"fmt"
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"strconv"
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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/log"
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"github.com/grafana/grafana/pkg/infra/remotecache"
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"github.com/grafana/grafana/pkg/services/auth"
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"github.com/grafana/grafana/pkg/services/auth/identity"
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"github.com/grafana/grafana/pkg/setting"
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)
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const (
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cachePrefix = "id-token"
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tokenTTL = 1 * time.Hour
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cacheTTL = 58 * time.Minute
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)
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var _ auth.IDService = (*Service)(nil)
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func ProvideService(cfg *setting.Cfg, signer auth.IDSigner, cache remotecache.CacheStorage) *Service {
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return &Service{cfg, log.New("id-service"), signer, cache}
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}
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type Service struct {
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cfg *setting.Cfg
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logger log.Logger
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signer auth.IDSigner
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cache remotecache.CacheStorage
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}
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func (s *Service) SignIdentity(ctx context.Context, id identity.Requester) (string, error) {
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namespace, identifier := id.GetNamespacedID()
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cacheKey := prefixCacheKey(id.GetCacheKey())
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cachedToken, err := s.cache.Get(ctx, cacheKey)
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if err == nil {
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s.logger.Debug("Cached token found", "namespace", namespace, "id", identifier)
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return string(cachedToken), nil
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}
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s.logger.Debug("Sign new id token", "namespace", namespace, "id", identifier)
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now := time.Now()
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token, err := s.signer.SignIDToken(ctx, &auth.IDClaims{
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Claims: jwt.Claims{
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ID: identifier,
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Issuer: s.cfg.AppURL,
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Audience: jwt.Audience{strconv.FormatInt(id.GetOrgID(), 10)},
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Subject: fmt.Sprintf("%s:%s", namespace, identifier),
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Expiry: jwt.NewNumericDate(now.Add(tokenTTL)),
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IssuedAt: jwt.NewNumericDate(now),
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},
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})
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if err != nil {
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return "", err
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}
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if err := s.cache.Set(ctx, cacheKey, []byte(token), cacheTTL); err != nil {
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s.logger.Error("failed to set cache", "error", err)
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}
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return token, nil
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}
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func prefixCacheKey(key string) string {
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return fmt.Sprintf("%s-%s", cachePrefix, key)
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}
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