// ApplyTargets falls back to role that exists when adding or deleting a change
func TestApplyChangelistTargetsFallbackRoles(t *testing.T) {
repo, _, err := testutils.EmptyRepo("docker.com/notary")
assert.NoError(t, err)
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
assert.NoError(t, err)
cl := changelist.NewMemChangelist()
assert.NoError(t, cl.Add(&changelist.TufChange{
Actn: changelist.ActionCreate,
Role: "targets/level1/level2/level3/level4",
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
assert.NoError(t, applyChangelist(repo, cl))
_, ok := repo.Targets[data.CanonicalTargetsRole].Signed.Targets["latest"]
assert.True(t, ok)
// now delete and assert it applies to
cl = changelist.NewMemChangelist()
assert.NoError(t, cl.Add(&changelist.TufChange{
Actn: changelist.ActionDelete,
Role: "targets/level1/level2/level3/level4",
ChangeType: "target",
ChangePath: "latest",
Data: nil,
}))
assert.NoError(t, applyChangelist(repo, cl))
assert.Empty(t, repo.Targets[data.CanonicalTargetsRole].Signed.Targets)
}
// ApplyTargets fails when adding or deleting a change to a nonexistent delegation
func TestApplyChangelistTargetsFailsNonexistentRole(t *testing.T) {
repo, _, err := testutils.EmptyRepo("docker.com/notary")
require.NoError(t, err)
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
require.NoError(t, err)
cl := changelist.NewMemChangelist()
require.NoError(t, cl.Add(&changelist.TUFChange{
Actn: changelist.ActionCreate,
Role: "targets/level1/level2/level3/level4",
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
err = applyChangelist(repo, nil, cl)
require.Error(t, err)
require.IsType(t, data.ErrInvalidRole{}, err)
// now try a delete and assert the same error
cl = changelist.NewMemChangelist()
require.NoError(t, cl.Add(&changelist.TUFChange{
Actn: changelist.ActionDelete,
Role: "targets/level1/level2/level3/level4",
ChangeType: "target",
ChangePath: "latest",
Data: nil,
}))
err = applyChangelist(repo, nil, cl)
require.Error(t, err)
require.IsType(t, data.ErrInvalidRole{}, err)
}
// RotateKey removes all existing keys associated with the role, and either
// creates and adds one new key or delegates managing the key to the server.
// These changes are staged in a changelist until publish is called.
func (r *NotaryRepository) RotateKey(role string, serverManagesKey bool) error {
// We currently support remotely managing timestamp and snapshot keys
canBeRemoteKey := role == data.CanonicalTimestampRole || role == data.CanonicalSnapshotRole
// And locally managing root, targets, and snapshot keys
canBeLocalKey := (role == data.CanonicalSnapshotRole || role == data.CanonicalTargetsRole ||
role == data.CanonicalRootRole)
switch {
case !data.ValidRole(role) || data.IsDelegation(role):
return fmt.Errorf("notary does not currently permit rotating the %s key", role)
case serverManagesKey && !canBeRemoteKey:
return ErrInvalidRemoteRole{Role: role}
case !serverManagesKey && !canBeLocalKey:
return ErrInvalidLocalRole{Role: role}
}
var (
pubKey data.PublicKey
err error
errFmtMsg string
)
switch serverManagesKey {
case true:
pubKey, err = getRemoteKey(r.baseURL, r.gun, role, r.roundTrip)
errFmtMsg = "unable to rotate remote key: %s"
default:
pubKey, err = r.CryptoService.Create(role, r.gun, data.ECDSAKey)
errFmtMsg = "unable to generate key: %s"
}
if err != nil {
return fmt.Errorf(errFmtMsg, err)
}
// if this is a root role, generate a root cert for the public key
if role == data.CanonicalRootRole {
privKey, _, err := r.CryptoService.GetPrivateKey(pubKey.ID())
if err != nil {
return err
}
pubKey, err = rootCertKey(r.gun, privKey)
if err != nil {
return err
}
}
cl := changelist.NewMemChangelist()
if err := r.rootFileKeyChange(cl, role, changelist.ActionCreate, pubKey); err != nil {
return err
}
return r.publish(cl)
}
// Each change applies only to the role specified
func TestApplyChangelistTargetsToMultipleRoles(t *testing.T) {
repo, cs, err := testutils.EmptyRepo("docker.com/notary")
require.NoError(t, err)
newKey, err := cs.Create("targets/level1", "docker.com/notary", data.ED25519Key)
require.NoError(t, err)
err = repo.UpdateDelegationKeys("targets/level1", []data.PublicKey{newKey}, []string{}, 1)
require.NoError(t, err)
err = repo.UpdateDelegationPaths("targets/level1", []string{""}, []string{}, false)
require.NoError(t, err)
err = repo.UpdateDelegationKeys("targets/level2", []data.PublicKey{newKey}, []string{}, 1)
require.NoError(t, err)
err = repo.UpdateDelegationPaths("targets/level2", []string{""}, []string{}, false)
require.NoError(t, err)
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
require.NoError(t, err)
cl := changelist.NewMemChangelist()
require.NoError(t, cl.Add(&changelist.TUFChange{
Actn: changelist.ActionCreate,
Role: "targets/level1",
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
require.NoError(t, cl.Add(&changelist.TUFChange{
Actn: changelist.ActionDelete,
Role: "targets/level2",
ChangeType: "target",
ChangePath: "latest",
Data: nil,
}))
require.NoError(t, applyChangelist(repo, nil, cl))
_, ok := repo.Targets["targets/level1"].Signed.Targets["latest"]
require.True(t, ok)
_, ok = repo.Targets["targets/level2"]
require.False(t, ok, "no change to targets/level2, so metadata not created")
}
func TestApplyChangelist(t *testing.T) {
kdb := keys.NewDB()
role, err := data.NewRole("targets", 1, nil, nil, nil)
assert.NoError(t, err)
kdb.AddRole(role)
repo := tuf.NewRepo(kdb, nil)
err = repo.InitTargets()
assert.NoError(t, err)
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
assert.NoError(t, err)
cl := changelist.NewMemChangelist()
addChange := &changelist.TufChange{
Actn: changelist.ActionCreate,
Role: changelist.ScopeTargets,
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}
cl.Add(addChange)
err = applyChangelist(repo, cl)
assert.NoError(t, err)
assert.NotNil(t, repo.Targets["targets"].Signed.Targets["latest"])
cl.Clear("")
removeChange := &changelist.TufChange{
Actn: changelist.ActionDelete,
Role: changelist.ScopeTargets,
ChangeType: "target",
ChangePath: "latest",
Data: nil,
}
cl.Add(removeChange)
err = applyChangelist(repo, cl)
assert.NoError(t, err)
_, ok := repo.Targets["targets"].Signed.Targets["latest"]
assert.False(t, ok)
}
// Each change applies only to the role specified
func TestApplyChangelistTargetsToMultipleRoles(t *testing.T) {
_, repo, cs := testutils.EmptyRepo()
newKey, err := cs.Create("targets/level1", data.ED25519Key)
assert.NoError(t, err)
r, err := data.NewRole("targets/level1", 1, []string{newKey.ID()}, []string{""}, nil)
assert.NoError(t, err)
repo.UpdateDelegations(r, []data.PublicKey{newKey})
r, err = data.NewRole("targets/level2", 1, []string{newKey.ID()}, []string{""}, nil)
assert.NoError(t, err)
repo.UpdateDelegations(r, []data.PublicKey{newKey})
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
assert.NoError(t, err)
cl := changelist.NewMemChangelist()
assert.NoError(t, cl.Add(&changelist.TufChange{
Actn: changelist.ActionCreate,
Role: "targets/level1",
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
assert.NoError(t, cl.Add(&changelist.TufChange{
Actn: changelist.ActionDelete,
Role: "targets/level2",
ChangeType: "target",
ChangePath: "latest",
Data: nil,
}))
assert.NoError(t, applyChangelist(repo, cl))
_, ok := repo.Targets["targets/level1"].Signed.Targets["latest"]
assert.True(t, ok)
_, ok = repo.Targets["targets/level2"]
assert.False(t, ok, "no change to targets/level2, so metadata not created")
}
// RotateKey removes all existing keys associated with the role, and either
// creates and adds one new key or delegates managing the key to the server.
// These changes are staged in a changelist until publish is called.
func (r *NotaryRepository) RotateKey(role string, serverManagesKey bool) error {
switch {
// We currently support locally or remotely managing snapshot keys...
case role == data.CanonicalSnapshotRole:
break
// locally managing targets keys only
case role == data.CanonicalTargetsRole && !serverManagesKey:
break
case role == data.CanonicalTargetsRole && serverManagesKey:
return ErrInvalidRemoteRole{Role: data.CanonicalTargetsRole}
// and remotely managing timestamp keys only
case role == data.CanonicalTimestampRole && serverManagesKey:
break
case role == data.CanonicalTimestampRole && !serverManagesKey:
return ErrInvalidLocalRole{Role: data.CanonicalTimestampRole}
default:
return fmt.Errorf("notary does not currently permit rotating the %s key", role)
}
var (
pubKey data.PublicKey
err error
errFmtMsg string
)
switch serverManagesKey {
case true:
pubKey, err = getRemoteKey(r.baseURL, r.gun, role, r.roundTrip)
errFmtMsg = "unable to rotate remote key: %s"
default:
pubKey, err = r.CryptoService.Create(role, r.gun, data.ECDSAKey)
errFmtMsg = "unable to generate key: %s"
}
if err != nil {
return fmt.Errorf(errFmtMsg, err)
}
cl := changelist.NewMemChangelist()
if err := r.rootFileKeyChange(cl, role, changelist.ActionCreate, pubKey); err != nil {
return err
}
return r.publish(cl)
}
// Adding the same target twice doesn't actually add it.
func TestApplyAddTargetTwice(t *testing.T) {
repo, _, err := testutils.EmptyRepo("docker.com/notary")
assert.NoError(t, err)
_, err = repo.InitTargets(data.CanonicalTargetsRole)
assert.NoError(t, err)
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
assert.NoError(t, err)
cl := changelist.NewMemChangelist()
assert.NoError(t, cl.Add(&changelist.TufChange{
Actn: changelist.ActionCreate,
Role: changelist.ScopeTargets,
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
assert.NoError(t, cl.Add(&changelist.TufChange{
Actn: changelist.ActionCreate,
Role: changelist.ScopeTargets,
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
assert.NoError(t, applyChangelist(repo, cl))
assert.Len(t, repo.Targets["targets"].Signed.Targets, 1)
assert.NotEmpty(t, repo.Targets["targets"].Signed.Targets["latest"])
assert.NoError(t, applyTargetsChange(repo, &changelist.TufChange{
Actn: changelist.ActionCreate,
Role: changelist.ScopeTargets,
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
assert.Len(t, repo.Targets["targets"].Signed.Targets, 1)
assert.NotEmpty(t, repo.Targets["targets"].Signed.Targets["latest"])
}
func TestApplyChangelist(t *testing.T) {
repo, _, err := testutils.EmptyRepo("docker.com/notary")
assert.NoError(t, err)
_, err = repo.InitTargets(data.CanonicalTargetsRole)
assert.NoError(t, err)
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
assert.NoError(t, err)
cl := changelist.NewMemChangelist()
addChange := &changelist.TufChange{
Actn: changelist.ActionCreate,
Role: changelist.ScopeTargets,
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}
cl.Add(addChange)
err = applyChangelist(repo, cl)
assert.NoError(t, err)
assert.NotNil(t, repo.Targets["targets"].Signed.Targets["latest"])
cl.Clear("")
removeChange := &changelist.TufChange{
Actn: changelist.ActionDelete,
Role: changelist.ScopeTargets,
ChangeType: "target",
ChangePath: "latest",
Data: nil,
}
cl.Add(removeChange)
err = applyChangelist(repo, cl)
assert.NoError(t, err)
_, ok := repo.Targets["targets"].Signed.Targets["latest"]
assert.False(t, ok)
}
// RotateKey removes all existing keys associated with the role, and either
// creates and adds one new key or delegates managing the key to the server.
// These changes are staged in a changelist until publish is called.
func (r *NotaryRepository) RotateKey(role string, serverManagesKey bool) error {
if err := checkRotationInput(role, serverManagesKey); err != nil {
return err
}
var (
pubKey data.PublicKey
err error
errFmtMsg string
)
switch serverManagesKey {
case true:
pubKey, err = rotateRemoteKey(r.baseURL, r.gun, role, r.roundTrip)
errFmtMsg = "unable to rotate remote key: %s"
default:
pubKey, err = r.CryptoService.Create(role, r.gun, data.ECDSAKey)
errFmtMsg = "unable to generate key: %s"
}
if err != nil {
return fmt.Errorf(errFmtMsg, err)
}
// if this is a root role, generate a root cert for the public key
if role == data.CanonicalRootRole {
privKey, _, err := r.CryptoService.GetPrivateKey(pubKey.ID())
if err != nil {
return err
}
pubKey, err = rootCertKey(r.gun, privKey)
if err != nil {
return err
}
}
cl := changelist.NewMemChangelist()
if err := r.rootFileKeyChange(cl, role, changelist.ActionCreate, pubKey); err != nil {
return err
}
return r.publish(cl)
}
// If there is no delegation target, ApplyTargets creates it
func TestApplyChangelistCreatesDelegation(t *testing.T) {
repo, cs, err := testutils.EmptyRepo("docker.com/notary")
assert.NoError(t, err)
newKey, err := cs.Create("targets/level1", data.ED25519Key)
assert.NoError(t, err)
r, err := data.NewRole("targets/level1", 1, []string{newKey.ID()}, []string{""})
assert.NoError(t, err)
repo.UpdateDelegations(r, []data.PublicKey{newKey})
delete(repo.Targets, "targets/level1")
hash := sha256.Sum256([]byte{})
f := &data.FileMeta{
Length: 1,
Hashes: map[string][]byte{
"sha256": hash[:],
},
}
fjson, err := json.Marshal(f)
assert.NoError(t, err)
cl := changelist.NewMemChangelist()
assert.NoError(t, cl.Add(&changelist.TufChange{
Actn: changelist.ActionCreate,
Role: "targets/level1",
ChangeType: "target",
ChangePath: "latest",
Data: fjson,
}))
assert.NoError(t, applyChangelist(repo, cl))
_, ok := repo.Targets["targets/level1"]
assert.True(t, ok, "Failed to create the delegation target")
_, ok = repo.Targets["targets/level1"].Signed.Targets["latest"]
assert.True(t, ok, "Failed to write change to delegation target")
}