// gets a Signed from the metadata store
func signedFromStore(cache store.MetadataStore, role string) (*data.Signed, error) {
b, err := cache.GetMeta(role, store.NoSizeLimit)
if err != nil {
return nil, err
}
signed := &data.Signed{}
if err := json.Unmarshal(b, signed); err != nil {
return nil, err
}
return signed, nil
}
// create a server that just serves static metadata files from a metaStore
func readOnlyServer(t *testing.T, cache store.MetadataStore, notFoundStatus int, gun string) *httptest.Server {
m := mux.NewRouter()
handler := func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
metaBytes, err := cache.GetMeta(vars["role"], -1)
if _, ok := err.(store.ErrMetaNotFound); ok {
w.WriteHeader(notFoundStatus)
} else {
require.NoError(t, err)
w.Write(metaBytes)
}
}
m.HandleFunc(fmt.Sprintf("/v2/%s/_trust/tuf/{role:.*}.{checksum:.*}.json", gun), handler)
m.HandleFunc(fmt.Sprintf("/v2/%s/_trust/tuf/{role:.*}.json", gun), handler)
return httptest.NewServer(m)
}