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local-user-authenticator: stop setting UID 

Signed-off-by: Monis Khan <mok@vmware.com>
This commit is contained in:
Monis Khan 2021-05-03 15:19:28 -04:00
parent 35479e2978
commit f40fd29c7c
No known key found for this signature in database
GPG Key ID: 52C90ADA01B269B8
2 changed files with 18 additions and 27 deletions
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5
cmd/local-user-authenticator/main.go
View File

@ -150,7 +150,7 @@ func (w *webhook) ServeHTTP(rsp http.ResponseWriter, req *http.Request) {
}
plog.Debug("successful authentication")
respondWithAuthenticated(rsp, secret.ObjectMeta.Name, string(secret.UID), groups)
respondWithAuthenticated(rsp, secret.ObjectMeta.Name, groups)
}
func getUsernameAndPasswordFromRequest(rsp http.ResponseWriter, req *http.Request) (string, string, error) {
@ -255,7 +255,7 @@ func respondWithUnauthenticated(rsp http.ResponseWriter) {
func respondWithAuthenticated(
rsp http.ResponseWriter,
username, uid string,
username string,
groups []string,
) {
rsp.Header().Add("Content-Type", "application/json")
@ -269,7 +269,6 @@ func respondWithAuthenticated(
User: authenticationv1beta1.UserInfo{
Username: username,
Groups: groups,
UID: uid,
},
},
}

40
cmd/local-user-authenticator/main_test.go
View File

@ -25,7 +25,6 @@ import (
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
kubeinformers "k8s.io/client-go/informers"
corev1informers "k8s.io/client-go/informers/core/v1"
"k8s.io/client-go/kubernetes"
@ -45,8 +44,6 @@ func TestWebhook(t *testing.T) {
user, otherUser, colonUser, noGroupUser, oneGroupUser, passwordUndefinedUser, emptyPasswordUser, invalidPasswordHashUser, undefinedGroupsUser :=
"some-user", "other-user", "colon-user", "no-group-user", "one-group-user", "password-undefined-user", "empty-password-user", "invalid-password-hash-user", "undefined-groups-user"
uid, otherUID, colonUID, noGroupUID, oneGroupUID, passwordUndefinedUID, emptyPasswordUID, invalidPasswordHashUID, undefinedGroupsUID :=
"some-uid", "other-uid", "colon-uid", "no-group-uid", "one-group-uid", "password-undefined-uid", "empty-password-uid", "invalid-password-hash-uid", "undefined-groups-uid"
password, otherPassword, colonPassword, noGroupPassword, oneGroupPassword, undefinedGroupsPassword :=
"some-password", "other-password", "some-:-password", "no-group-password", "one-group-password", "undefined-groups-password"
@ -54,16 +51,15 @@ func TestWebhook(t *testing.T) {
groups := group0 + " , " + group1
kubeClient := kubernetesfake.NewSimpleClientset()
addSecretToFakeClientTracker(t, kubeClient, user, uid, password, groups)
addSecretToFakeClientTracker(t, kubeClient, otherUser, otherUID, otherPassword, groups)
addSecretToFakeClientTracker(t, kubeClient, colonUser, colonUID, colonPassword, groups)
addSecretToFakeClientTracker(t, kubeClient, noGroupUser, noGroupUID, noGroupPassword, "")
addSecretToFakeClientTracker(t, kubeClient, oneGroupUser, oneGroupUID, oneGroupPassword, group0)
addSecretToFakeClientTracker(t, kubeClient, emptyPasswordUser, emptyPasswordUID, "", groups)
addSecretToFakeClientTracker(t, kubeClient, user, password, groups)
addSecretToFakeClientTracker(t, kubeClient, otherUser, otherPassword, groups)
addSecretToFakeClientTracker(t, kubeClient, colonUser, colonPassword, groups)
addSecretToFakeClientTracker(t, kubeClient, noGroupUser, noGroupPassword, "")
addSecretToFakeClientTracker(t, kubeClient, oneGroupUser, oneGroupPassword, group0)
addSecretToFakeClientTracker(t, kubeClient, emptyPasswordUser, "", groups)
require.NoError(t, kubeClient.Tracker().Add(&corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
UID: types.UID(passwordUndefinedUID),
Name: passwordUndefinedUser,
Namespace: namespace,
},
@ -77,7 +73,6 @@ func TestWebhook(t *testing.T) {
require.NoError(t, kubeClient.Tracker().Add(&corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
UID: types.UID(undefinedGroupsUID),
Name: undefinedGroupsUser,
Namespace: namespace,
},
@ -88,7 +83,6 @@ func TestWebhook(t *testing.T) {
require.NoError(t, kubeClient.Tracker().Add(&corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
UID: types.UID(invalidPasswordHashUID),
Name: invalidPasswordHashUser,
Namespace: namespace,
},
@ -135,7 +129,7 @@ func TestWebhook(t *testing.T) {
body: func() (io.ReadCloser, error) { return newTokenReviewBody(user + ":" + password) },
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(user, uid, []string{group0, group1}),
wantBody: authenticatedResponseJSON(user, []string{group0, group1}),
},
{
name: "success for a user who belongs to one groups",
@ -145,7 +139,7 @@ func TestWebhook(t *testing.T) {
body: func() (io.ReadCloser, error) { return newTokenReviewBody(oneGroupUser + ":" + oneGroupPassword) },
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(oneGroupUser, oneGroupUID, []string{group0}),
wantBody: authenticatedResponseJSON(oneGroupUser, []string{group0}),
},
{
name: "success for a user who belongs to no groups",
@ -155,7 +149,7 @@ func TestWebhook(t *testing.T) {
body: func() (io.ReadCloser, error) { return newTokenReviewBody(noGroupUser + ":" + noGroupPassword) },
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(noGroupUser, noGroupUID, nil),
wantBody: authenticatedResponseJSON(noGroupUser, nil),
},
{
name: "wrong username for password",
@ -197,7 +191,7 @@ func TestWebhook(t *testing.T) {
},
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(undefinedGroupsUser, undefinedGroupsUID, nil),
wantBody: authenticatedResponseJSON(undefinedGroupsUser, nil),
},
{
name: "when a user has empty string as their password",
@ -255,7 +249,7 @@ func TestWebhook(t *testing.T) {
body: func() (io.ReadCloser, error) { return newTokenReviewBody(colonUser + ":" + colonPassword) },
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(colonUser, colonUID, []string{group0, group1}),
wantBody: authenticatedResponseJSON(colonUser, []string{group0, group1}),
},
{
name: "bad TokenReview group",
@ -357,7 +351,7 @@ func TestWebhook(t *testing.T) {
body: func() (io.ReadCloser, error) { return newTokenReviewBody(user + ":" + password) },
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(user, uid, []string{group0, group1}),
wantBody: authenticatedResponseJSON(user, []string{group0, group1}),
},
{
name: "success when there are multiple accepts and one of them is */*",
@ -370,7 +364,7 @@ func TestWebhook(t *testing.T) {
body: func() (io.ReadCloser, error) { return newTokenReviewBody(user + ":" + password) },
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(user, uid, []string{group0, group1}),
wantBody: authenticatedResponseJSON(user, []string{group0, group1}),
},
{
name: "success when there are multiple accepts and one of them is application/*",
@ -383,7 +377,7 @@ func TestWebhook(t *testing.T) {
body: func() (io.ReadCloser, error) { return newTokenReviewBody(user + ":" + password) },
wantStatus: http.StatusOK,
wantHeaders: map[string][]string{"Content-Type": {"application/json"}},
wantBody: authenticatedResponseJSON(user, uid, []string{group0, group1}),
wantBody: authenticatedResponseJSON(user, []string{group0, group1}),
},
{
name: "bad body",
@ -538,7 +532,7 @@ func unauthenticatedResponseJSON() *authenticationv1beta1.TokenReview {
}
}
func authenticatedResponseJSON(user, uid string, groups []string) *authenticationv1beta1.TokenReview {
func authenticatedResponseJSON(user string, groups []string) *authenticationv1beta1.TokenReview {
return &authenticationv1beta1.TokenReview{
TypeMeta: metav1.TypeMeta{
Kind: "TokenReview",
@ -549,19 +543,17 @@ func authenticatedResponseJSON(user, uid string, groups []string) *authenticatio
User: authenticationv1beta1.UserInfo{
Username: user,
Groups: groups,
UID: uid,
},
},
}
}
func addSecretToFakeClientTracker(t *testing.T, kubeClient *kubernetesfake.Clientset, username, uid, password, groups string) {
func addSecretToFakeClientTracker(t *testing.T, kubeClient *kubernetesfake.Clientset, username, password, groups string) {
passwordHash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.MinCost)
require.NoError(t, err)
secret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
UID: types.UID(uid),
Name: username,
Namespace: namespace,
},