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https://github.com/vmware-tanzu/pinniped.git
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WIP towards using k8s fosite storage in the supervisor's callback endpoint
- Note that this WIP commit includes a failing unit test, which will be addressed in the next commit Signed-off-by: Ryan Richard <richardry@vmware.com>
This commit is contained in:
Margo Crawford
committed by
Ryan Richard
Ryan Richard
parent
b272b3f331
commit
c8eaa3f383
@@ -0,0 +1,318 @@
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// Copyright 2020 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package authorizationcode
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import (
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"context"
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"crypto/ed25519"
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"crypto/x509"
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"encoding/json"
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"math/rand"
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"net/url"
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"strings"
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"testing"
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"time"
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fuzz "github.com/google/gofuzz"
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"github.com/ory/fosite"
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"github.com/ory/fosite/handler/oauth2"
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"github.com/ory/fosite/handler/openid"
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"github.com/stretchr/testify/require"
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"gopkg.in/square/go-jose.v2"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/kubernetes/fake"
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coretesting "k8s.io/client-go/testing"
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)
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func TestAuthorizeCodeStorage(t *testing.T) {
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ctx := context.Background()
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secretsGVR := schema.GroupVersionResource{
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Group: "",
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Version: "v1",
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Resource: "secrets",
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}
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const namespace = "test-ns"
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type mocker interface {
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AddReactor(verb, resource string, reaction coretesting.ReactionFunc)
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PrependReactor(verb, resource string, reaction coretesting.ReactionFunc)
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Tracker() coretesting.ObjectTracker
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}
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tests := []struct {
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name string
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mocks func(*testing.T, mocker)
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run func(*testing.T, oauth2.AuthorizeCodeStorage) error
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wantActions []coretesting.Action
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wantSecrets []corev1.Secret
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wantErr string
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}{
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{
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name: "create, get, invalidate standard flow",
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mocks: nil,
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run: func(t *testing.T, storage oauth2.AuthorizeCodeStorage) error {
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request := &fosite.Request{
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ID: "abcd-1",
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RequestedAt: time.Time{},
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Client: &fosite.DefaultOpenIDConnectClient{
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DefaultClient: &fosite.DefaultClient{
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ID: "pinny",
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Secret: nil,
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RedirectURIs: nil,
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GrantTypes: nil,
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ResponseTypes: nil,
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Scopes: nil,
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Audience: nil,
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Public: true,
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},
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JSONWebKeysURI: "where",
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JSONWebKeys: nil,
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TokenEndpointAuthMethod: "something",
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RequestURIs: nil,
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RequestObjectSigningAlgorithm: "",
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TokenEndpointAuthSigningAlgorithm: "",
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},
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RequestedScope: nil,
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GrantedScope: nil,
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Form: url.Values{"key": []string{"val"}},
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Session: &openid.DefaultSession{
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Claims: nil,
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Headers: nil,
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ExpiresAt: nil,
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Username: "snorlax",
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Subject: "panda",
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},
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RequestedAudience: nil,
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GrantedAudience: nil,
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}
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err := storage.CreateAuthorizeCodeSession(ctx, "fancy-signature", request)
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require.NoError(t, err)
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newRequest, err := storage.GetAuthorizeCodeSession(ctx, "fancy-signature", nil)
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require.NoError(t, err)
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require.Equal(t, request, newRequest)
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return storage.InvalidateAuthorizeCodeSession(ctx, "fancy-signature")
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},
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wantActions: []coretesting.Action{
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coretesting.NewCreateAction(secretsGVR, namespace, &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "pinniped-storage-authcode-pwu5zs7lekbhnln2w4",
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ResourceVersion: "",
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Labels: map[string]string{
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"storage.pinniped.dev": "authcode",
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},
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},
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Data: map[string][]byte{
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"pinniped-storage-data": []byte(`{"active":true,"request":{"id":"abcd-1","requestedAt":"0001-01-01T00:00:00Z","client":{"id":"pinny","redirect_uris":null,"grant_types":null,"response_types":null,"scopes":null,"audience":null,"public":true,"jwks_uri":"where","jwks":null,"token_endpoint_auth_method":"something","request_uris":null,"request_object_signing_alg":"","token_endpoint_auth_signing_alg":""},"scopes":null,"grantedScopes":null,"form":{"key":["val"]},"session":{"Claims":null,"Headers":null,"ExpiresAt":null,"Username":"snorlax","Subject":"panda"},"requestedAudience":null,"grantedAudience":null},"version":"1"}`),
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"pinniped-storage-version": []byte("1"),
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},
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Type: "storage.pinniped.dev/authcode",
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}),
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coretesting.NewGetAction(secretsGVR, namespace, "pinniped-storage-authcode-pwu5zs7lekbhnln2w4"),
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coretesting.NewGetAction(secretsGVR, namespace, "pinniped-storage-authcode-pwu5zs7lekbhnln2w4"),
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coretesting.NewUpdateAction(secretsGVR, namespace, &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "pinniped-storage-authcode-pwu5zs7lekbhnln2w4",
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ResourceVersion: "",
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Labels: map[string]string{
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"storage.pinniped.dev": "authcode",
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},
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},
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Data: map[string][]byte{
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"pinniped-storage-data": []byte(`{"active":false,"request":{"id":"abcd-1","requestedAt":"0001-01-01T00:00:00Z","client":{"id":"pinny","redirect_uris":null,"grant_types":null,"response_types":null,"scopes":null,"audience":null,"public":true,"jwks_uri":"where","jwks":null,"token_endpoint_auth_method":"something","request_uris":null,"request_object_signing_alg":"","token_endpoint_auth_signing_alg":""},"scopes":null,"grantedScopes":null,"form":{"key":["val"]},"session":{"Claims":null,"Headers":null,"ExpiresAt":null,"Username":"snorlax","Subject":"panda"},"requestedAudience":null,"grantedAudience":null},"version":"1"}`),
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"pinniped-storage-version": []byte("1"),
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},
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Type: "storage.pinniped.dev/authcode",
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}),
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},
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wantSecrets: []corev1.Secret{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "pinniped-storage-authcode-pwu5zs7lekbhnln2w4",
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Namespace: namespace,
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ResourceVersion: "",
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Labels: map[string]string{
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"storage.pinniped.dev": "authcode",
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},
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},
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Data: map[string][]byte{
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"pinniped-storage-data": []byte(`{"active":false,"request":{"id":"abcd-1","requestedAt":"0001-01-01T00:00:00Z","client":{"id":"pinny","redirect_uris":null,"grant_types":null,"response_types":null,"scopes":null,"audience":null,"public":true,"jwks_uri":"where","jwks":null,"token_endpoint_auth_method":"something","request_uris":null,"request_object_signing_alg":"","token_endpoint_auth_signing_alg":""},"scopes":null,"grantedScopes":null,"form":{"key":["val"]},"session":{"Claims":null,"Headers":null,"ExpiresAt":null,"Username":"snorlax","Subject":"panda"},"requestedAudience":null,"grantedAudience":null},"version":"1"}`),
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"pinniped-storage-version": []byte("1"),
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},
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Type: "storage.pinniped.dev/authcode",
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},
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},
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wantErr: "",
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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client := fake.NewSimpleClientset()
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if tt.mocks != nil {
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tt.mocks(t, client)
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}
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secrets := client.CoreV1().Secrets(namespace)
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storage := New(secrets)
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err := tt.run(t, storage)
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require.Equal(t, tt.wantErr, errString(err))
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require.Equal(t, tt.wantActions, client.Actions())
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actualSecrets, err := secrets.List(ctx, metav1.ListOptions{})
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require.NoError(t, err)
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require.Equal(t, tt.wantSecrets, actualSecrets.Items)
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})
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}
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}
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func errString(err error) string {
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if err == nil {
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return ""
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}
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return err.Error()
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}
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// TestFuzzAndJSONNewValidEmptyAuthorizeCodeSession asserts that we can correctly round trip our authorize code session.
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// It will detect any changes to fosite.AuthorizeRequest and guarantees that all interface types have concrete implementations.
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func TestFuzzAndJSONNewValidEmptyAuthorizeCodeSession(t *testing.T) {
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validSession := NewValidEmptyAuthorizeCodeSession()
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// sanity check our valid session
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extractedRequest, err := validateAndExtractAuthorizeRequest(validSession.Request)
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require.NoError(t, err)
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require.Equal(t, validSession.Request, extractedRequest)
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// checked above
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defaultClient := validSession.Request.Client.(*fosite.DefaultOpenIDConnectClient)
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defaultSession := validSession.Request.Session.(*openid.DefaultSession)
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// makes it easier to use a raw string
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replacer := strings.NewReplacer("`", "a")
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randString := func(c fuzz.Continue) string {
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for {
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s := c.RandString()
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if len(s) == 0 {
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continue // skip empty string
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}
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return replacer.Replace(s)
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}
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}
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// deterministic fuzzing of fosite.Request
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f := fuzz.New().RandSource(rand.NewSource(1)).NilChance(0).NumElements(1, 3).Funcs(
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// these functions guarantee that these are the only interface types we need to fill out
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// if fosite.Request changes to add more, the fuzzer will panic
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func(fc *fosite.Client, c fuzz.Continue) {
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c.Fuzz(defaultClient)
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*fc = defaultClient
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},
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func(fs *fosite.Session, c fuzz.Continue) {
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c.Fuzz(defaultSession)
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*fs = defaultSession
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},
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// these types contain an interface{} that we need to handle
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// this is safe because we explicitly provide the openid.DefaultSession concrete type
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func(value *map[string]interface{}, c fuzz.Continue) {
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// cover all the JSON data types just in case
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*value = map[string]interface{}{
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randString(c): float64(c.Intn(1 << 32)),
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randString(c): map[string]interface{}{
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randString(c): []interface{}{float64(c.Intn(1 << 32))},
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randString(c): map[string]interface{}{
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randString(c): nil,
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randString(c): map[string]interface{}{
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randString(c): c.RandBool(),
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},
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},
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},
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}
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},
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// JWK contains an interface{} Key that we need to handle
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// this is safe because JWK explicitly implements JSON marshalling and unmarshalling
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func(jwk *jose.JSONWebKey, c fuzz.Continue) {
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key, _, err := ed25519.GenerateKey(c)
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require.NoError(t, err)
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jwk.Key = key
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// set these fields to make the .Equal comparison work
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jwk.Certificates = []*x509.Certificate{}
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jwk.CertificatesURL = &url.URL{}
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jwk.CertificateThumbprintSHA1 = []byte{}
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jwk.CertificateThumbprintSHA256 = []byte{}
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},
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// set this to make the .Equal comparison work
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// this is safe because Time explicitly implements JSON marshalling and unmarshalling
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func(tp *time.Time, c fuzz.Continue) {
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*tp = time.Unix(c.Int63n(1<<32), c.Int63n(1<<32)).UTC()
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},
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// make random strings that do not contain any ` characters
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func(s *string, c fuzz.Continue) {
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*s = randString(c)
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},
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// handle string type alias
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func(s *fosite.TokenType, c fuzz.Continue) {
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*s = fosite.TokenType(randString(c))
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},
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// handle string type alias
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func(s *fosite.Arguments, c fuzz.Continue) {
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n := c.Intn(3) + 1 // 1 to 3 items
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arguments := make(fosite.Arguments, n)
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for i := range arguments {
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arguments[i] = randString(c)
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}
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*s = arguments
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},
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)
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f.Fuzz(validSession)
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const name = "fuzz" // value is irrelevant
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ctx := context.Background()
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secrets := fake.NewSimpleClientset().CoreV1().Secrets(name)
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storage := New(secrets)
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// issue a create using the fuzzed request to confirm that marshalling works
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err = storage.CreateAuthorizeCodeSession(ctx, name, validSession.Request)
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require.NoError(t, err)
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// retrieve a copy of the fuzzed request from storage to confirm that unmarshalling works
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newRequest, err := storage.GetAuthorizeCodeSession(ctx, name, nil)
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require.NoError(t, err)
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// the fuzzed request and the copy from storage should be exactly the same
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require.Equal(t, validSession.Request, newRequest)
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secretList, err := secrets.List(ctx, metav1.ListOptions{})
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require.NoError(t, err)
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require.Len(t, secretList.Items, 1)
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authorizeCodeSessionJSONFromStorage := string(secretList.Items[0].Data["pinniped-storage-data"])
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// set these to match CreateAuthorizeCodeSession so that .JSONEq works
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validSession.Active = true
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validSession.Version = "1"
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validSessionJSONBytes, err := json.MarshalIndent(validSession, "", "\t")
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require.NoError(t, err)
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authorizeCodeSessionJSONFromFuzzing := string(validSessionJSONBytes)
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// the fuzzed session and storage session should have identical JSON
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require.JSONEq(t, authorizeCodeSessionJSONFromFuzzing, authorizeCodeSessionJSONFromStorage)
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// while the fuzzer will panic if AuthorizeRequest changes in a way that cannot be fuzzed,
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// if it adds a new field that can be fuzzed, this check will fail
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// thus if AuthorizeRequest changes, we will detect it here (though we could possibly miss an omitempty field)
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require.Equal(t, ExpectedAuthorizeCodeSessionJSONFromFuzzing, authorizeCodeSessionJSONFromFuzzing)
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}
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