crl

type Bundle struct {
	// BaseCRL is the parsed base CRL
	BaseCRL *x509.RevocationList

	// DeltaCRL is the parsed delta CRL
	//
	// TODO: support delta CRL https://github.com/notaryproject/notation-core-go/issues/228
	// It will always be nil until we support delta CRL
	DeltaCRL *x509.RevocationList
}

type Cache interface {
	// Get retrieves the CRL bundle with the given url
	//
	// url is the key to retrieve the CRL bundle
	//
	// if the key does not exist or the content is expired, return ErrCacheMiss.
	Get(ctx context.Context, url string) (*Bundle, error)

	// Set stores the CRL bundle with the given url
	//
	// url is the key to store the CRL bundle
	// bundle is the CRL collections to store
	Set(ctx context.Context, url string, bundle *Bundle) error
}

type Fetcher interface {
	// Fetch retrieves the CRL from the given URL.
	Fetch(ctx context.Context, url string) (*Bundle, error)
}

type HTTPFetcher struct {
	// Cache stores fetched CRLs and reuses them until the CRL reaches the
	// NextUpdate time.
	// If Cache is nil, no cache is used.
	Cache Cache

	// DiscardCacheError specifies whether to discard any error on cache.
	//
	// ErrCacheMiss is not considered as an failure and will not be returned as
	// an error if DiscardCacheError is false.
	DiscardCacheError bool
	// contains filtered or unexported fields
}