// Sign signs all top level roles in a repo in the appropriate order
func Sign(repo *tuf.Repo) (root, targets, snapshot, timestamp *data.Signed, err error) {
root, err = repo.SignRoot(data.DefaultExpires("root"))
if _, ok := err.(data.ErrInvalidRole); err != nil && !ok {
return nil, nil, nil, nil, err
}
targets, err = repo.SignTargets("targets", data.DefaultExpires("targets"))
if _, ok := err.(data.ErrInvalidRole); err != nil && !ok {
return nil, nil, nil, nil, err
}
snapshot, err = repo.SignSnapshot(data.DefaultExpires("snapshot"))
if _, ok := err.(data.ErrInvalidRole); err != nil && !ok {
return nil, nil, nil, nil, err
}
timestamp, err = repo.SignTimestamp(data.DefaultExpires("timestamp"))
if _, ok := err.(data.ErrInvalidRole); err != nil && !ok {
return nil, nil, nil, nil, err
}
return
}
// Sign signs all top level roles in a repo in the appropriate order
func Sign(repo *tuf.Repo) (root, targets, snapshot, timestamp *data.Signed, err error) {
root, err = repo.SignRoot(data.DefaultExpires("root"))
if err != nil {
return nil, nil, nil, nil, err
}
targets, err = repo.SignTargets("targets", data.DefaultExpires("targets"))
if err != nil {
return nil, nil, nil, nil, err
}
snapshot, err = repo.SignSnapshot(data.DefaultExpires("snapshot"))
if err != nil {
return nil, nil, nil, nil, err
}
timestamp, err = repo.SignTimestamp(data.DefaultExpires("timestamp"))
if err != nil {
return nil, nil, nil, nil, err
}
return
}
// signs and serializes the metadata for a canonical role in a tuf repo to JSON
func serializeCanonicalRole(tufRepo *tuf.Repo, role string) (out []byte, err error) {
var s *data.Signed
switch {
case role == data.CanonicalRootRole:
s, err = tufRepo.SignRoot(data.DefaultExpires(role))
case role == data.CanonicalSnapshotRole:
s, err = tufRepo.SignSnapshot(data.DefaultExpires(role))
case tufRepo.Targets[role] != nil:
s, err = tufRepo.SignTargets(
role, data.DefaultExpires(data.CanonicalTargetsRole))
default:
err = fmt.Errorf("%s not supported role to sign on the client", role)
}
if err != nil {
return
}
return json.Marshal(s)
}