ContainerImage.Pinniped/internal/fositestorage/authorizationcode/authorizationcode_test.go
Matt Moyer 8db9331fed
Update ExpectedAuthorizeCodeSessionJSONFromFuzzing.
We stared at this very carefully and we don't think there are any structural changes. Maybe something small happened to get the RNG off by one?

Signed-off-by: Matt Moyer <moyerm@vmware.com>
2020-12-17 16:31:08 -06:00

396 lines
16 KiB
Go

// Copyright 2020 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package authorizationcode
import (
"context"
"crypto/ed25519"
"crypto/x509"
"encoding/json"
"fmt"
"math/rand"
"net/url"
"strings"
"testing"
"time"
fuzz "github.com/google/gofuzz"
"github.com/ory/fosite"
"github.com/ory/fosite/handler/oauth2"
"github.com/ory/fosite/handler/openid"
"github.com/pkg/errors"
"github.com/stretchr/testify/require"
"gopkg.in/square/go-jose.v2"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/client-go/kubernetes/fake"
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
kubetesting "k8s.io/client-go/testing"
"go.pinniped.dev/internal/fositestorage"
)
const namespace = "test-ns"
var fakeNow = time.Date(2030, time.January, 1, 0, 0, 0, 0, time.UTC)
var lifetime = time.Minute * 10
var fakeNowPlusLifetimeAsString = metav1.Time{Time: fakeNow.Add(lifetime)}.Format(time.RFC3339)
func TestAuthorizationCodeStorage(t *testing.T) {
secretsGVR := schema.GroupVersionResource{
Group: "",
Version: "v1",
Resource: "secrets",
}
wantActions := []kubetesting.Action{
kubetesting.NewCreateAction(secretsGVR, namespace, &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "pinniped-storage-authcode-pwu5zs7lekbhnln2w4",
ResourceVersion: "",
Labels: map[string]string{
"storage.pinniped.dev/type": "authcode",
},
Annotations: map[string]string{
"storage.pinniped.dev/garbage-collect-after": fakeNowPlusLifetimeAsString,
},
},
Data: map[string][]byte{
"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"}`),
"pinniped-storage-version": []byte("1"),
},
Type: "storage.pinniped.dev/authcode",
}),
kubetesting.NewGetAction(secretsGVR, namespace, "pinniped-storage-authcode-pwu5zs7lekbhnln2w4"),
kubetesting.NewGetAction(secretsGVR, namespace, "pinniped-storage-authcode-pwu5zs7lekbhnln2w4"),
kubetesting.NewUpdateAction(secretsGVR, namespace, &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "pinniped-storage-authcode-pwu5zs7lekbhnln2w4",
ResourceVersion: "",
Labels: map[string]string{
"storage.pinniped.dev/type": "authcode",
},
Annotations: map[string]string{
"storage.pinniped.dev/garbage-collect-after": fakeNowPlusLifetimeAsString,
},
},
Data: map[string][]byte{
"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"}`),
"pinniped-storage-version": []byte("1"),
},
Type: "storage.pinniped.dev/authcode",
}),
}
ctx, client, _, storage := makeTestSubject()
request := &fosite.Request{
ID: "abcd-1",
RequestedAt: time.Time{},
Client: &fosite.DefaultOpenIDConnectClient{
DefaultClient: &fosite.DefaultClient{
ID: "pinny",
Secret: nil,
RedirectURIs: nil,
GrantTypes: nil,
ResponseTypes: nil,
Scopes: nil,
Audience: nil,
Public: true,
},
JSONWebKeysURI: "where",
JSONWebKeys: nil,
TokenEndpointAuthMethod: "something",
RequestURIs: nil,
RequestObjectSigningAlgorithm: "",
TokenEndpointAuthSigningAlgorithm: "",
},
RequestedScope: nil,
GrantedScope: nil,
Form: url.Values{"key": []string{"val"}},
Session: &openid.DefaultSession{
Claims: nil,
Headers: nil,
ExpiresAt: nil,
Username: "snorlax",
Subject: "panda",
},
RequestedAudience: nil,
GrantedAudience: nil,
}
err := storage.CreateAuthorizeCodeSession(ctx, "fancy-signature", request)
require.NoError(t, err)
newRequest, err := storage.GetAuthorizeCodeSession(ctx, "fancy-signature", nil)
require.NoError(t, err)
require.Equal(t, request, newRequest)
err = storage.InvalidateAuthorizeCodeSession(ctx, "fancy-signature")
require.NoError(t, err)
require.Equal(t, wantActions, client.Actions())
// Doing a Get on an invalidated session should still return the session, but also return an error.
invalidatedRequest, err := storage.GetAuthorizeCodeSession(ctx, "fancy-signature", nil)
require.EqualError(t, err, "authorization code session for fancy-signature has already been used: Authorization code has ben invalidated")
require.Equal(t, "abcd-1", invalidatedRequest.GetID())
}
func TestGetNotFound(t *testing.T) {
ctx, _, _, storage := makeTestSubject()
_, notFoundErr := storage.GetAuthorizeCodeSession(ctx, "non-existent-signature", nil)
require.EqualError(t, notFoundErr, "not_found")
require.True(t, errors.Is(notFoundErr, fosite.ErrNotFound))
}
func TestInvalidateWhenNotFound(t *testing.T) {
ctx, _, _, storage := makeTestSubject()
notFoundErr := storage.InvalidateAuthorizeCodeSession(ctx, "non-existent-signature")
require.EqualError(t, notFoundErr, "not_found")
require.True(t, errors.Is(notFoundErr, fosite.ErrNotFound))
}
func TestInvalidateWhenConflictOnUpdateHappens(t *testing.T) {
ctx, client, _, storage := makeTestSubject()
client.PrependReactor("update", "secrets", func(_ kubetesting.Action) (bool, runtime.Object, error) {
return true, nil, apierrors.NewConflict(schema.GroupResource{
Group: "",
Resource: "secrets",
}, "some-secret-name", fmt.Errorf("there was a conflict"))
})
request := &fosite.Request{
ID: "some-request-id",
Client: &fosite.DefaultOpenIDConnectClient{},
Session: &openid.DefaultSession{},
}
err := storage.CreateAuthorizeCodeSession(ctx, "fancy-signature", request)
require.NoError(t, err)
err = storage.InvalidateAuthorizeCodeSession(ctx, "fancy-signature")
require.EqualError(t, err, `The request could not be completed due to concurrent access: failed to update authcode for signature fancy-signature at resource version : Operation cannot be fulfilled on secrets "some-secret-name": there was a conflict`)
}
func TestWrongVersion(t *testing.T) {
ctx, _, secrets, storage := makeTestSubject()
secret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "pinniped-storage-authcode-pwu5zs7lekbhnln2w4",
ResourceVersion: "",
Labels: map[string]string{
"storage.pinniped.dev/type": "authcode",
},
},
Data: map[string][]byte{
"pinniped-storage-data": []byte(`{"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":"not-the-right-version", "active": true}`),
"pinniped-storage-version": []byte("1"),
},
Type: "storage.pinniped.dev/authcode",
}
_, err := secrets.Create(ctx, secret, metav1.CreateOptions{})
require.NoError(t, err)
_, err = storage.GetAuthorizeCodeSession(ctx, "fancy-signature", nil)
require.EqualError(t, err, "authorization request data has wrong version: authorization code session for fancy-signature has version not-the-right-version instead of 1")
}
func TestNilSessionRequest(t *testing.T) {
ctx, _, secrets, storage := makeTestSubject()
secret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "pinniped-storage-authcode-pwu5zs7lekbhnln2w4",
ResourceVersion: "",
Labels: map[string]string{
"storage.pinniped.dev/type": "authcode",
},
},
Data: map[string][]byte{
"pinniped-storage-data": []byte(`{"nonsense-key": "nonsense-value", "version":"1", "active": true}`),
"pinniped-storage-version": []byte("1"),
},
Type: "storage.pinniped.dev/authcode",
}
_, err := secrets.Create(ctx, secret, metav1.CreateOptions{})
require.NoError(t, err)
_, err = storage.GetAuthorizeCodeSession(ctx, "fancy-signature", nil)
require.EqualError(t, err, "malformed authorization code session for fancy-signature: authorization request data must be present")
}
func TestCreateWithNilRequester(t *testing.T) {
ctx, _, _, storage := makeTestSubject()
err := storage.CreateAuthorizeCodeSession(ctx, "signature-doesnt-matter", nil)
require.EqualError(t, err, "requester must be of type fosite.Request")
}
func TestCreateWithWrongRequesterDataTypes(t *testing.T) {
ctx, _, _, storage := makeTestSubject()
request := &fosite.Request{
Session: nil,
Client: &fosite.DefaultOpenIDConnectClient{},
}
err := storage.CreateAuthorizeCodeSession(ctx, "signature-doesnt-matter", request)
require.EqualError(t, err, "requester's session must be of type openid.DefaultSession")
request = &fosite.Request{
Session: &openid.DefaultSession{},
Client: nil,
}
err = storage.CreateAuthorizeCodeSession(ctx, "signature-doesnt-matter", request)
require.EqualError(t, err, "requester's client must be of type fosite.DefaultOpenIDConnectClient")
}
func makeTestSubject() (context.Context, *fake.Clientset, corev1client.SecretInterface, oauth2.AuthorizeCodeStorage) {
client := fake.NewSimpleClientset()
secrets := client.CoreV1().Secrets(namespace)
return context.Background(), client, secrets, New(secrets, clock.NewFakeClock(fakeNow).Now, lifetime)
}
// TestFuzzAndJSONNewValidEmptyAuthorizeCodeSession asserts that we can correctly round trip our authorize code session.
// It will detect any changes to fosite.AuthorizeRequest and guarantees that all interface types have concrete implementations.
func TestFuzzAndJSONNewValidEmptyAuthorizeCodeSession(t *testing.T) {
validSession := NewValidEmptyAuthorizeCodeSession()
// sanity check our valid session
extractedRequest, err := fositestorage.ValidateAndExtractAuthorizeRequest(validSession.Request)
require.NoError(t, err)
require.Equal(t, validSession.Request, extractedRequest)
// checked above
defaultClient := validSession.Request.Client.(*fosite.DefaultOpenIDConnectClient)
defaultSession := validSession.Request.Session.(*openid.DefaultSession)
// makes it easier to use a raw string
replacer := strings.NewReplacer("`", "a")
randString := func(c fuzz.Continue) string {
for {
s := c.RandString()
if len(s) == 0 {
continue // skip empty string
}
return replacer.Replace(s)
}
}
// deterministic fuzzing of fosite.Request
f := fuzz.New().RandSource(rand.NewSource(1)).NilChance(0).NumElements(1, 3).Funcs(
// these functions guarantee that these are the only interface types we need to fill out
// if fosite.Request changes to add more, the fuzzer will panic
func(fc *fosite.Client, c fuzz.Continue) {
c.Fuzz(defaultClient)
*fc = defaultClient
},
func(fs *fosite.Session, c fuzz.Continue) {
c.Fuzz(defaultSession)
*fs = defaultSession
},
// these types contain an interface{} that we need to handle
// this is safe because we explicitly provide the openid.DefaultSession concrete type
func(value *map[string]interface{}, c fuzz.Continue) {
// cover all the JSON data types just in case
*value = map[string]interface{}{
randString(c): float64(c.Intn(1 << 32)),
randString(c): map[string]interface{}{
randString(c): []interface{}{float64(c.Intn(1 << 32))},
randString(c): map[string]interface{}{
randString(c): nil,
randString(c): map[string]interface{}{
randString(c): c.RandBool(),
},
},
},
}
},
// JWK contains an interface{} Key that we need to handle
// this is safe because JWK explicitly implements JSON marshalling and unmarshalling
func(jwk *jose.JSONWebKey, c fuzz.Continue) {
key, _, err := ed25519.GenerateKey(c)
require.NoError(t, err)
jwk.Key = key
// set these fields to make the .Equal comparison work
jwk.Certificates = []*x509.Certificate{}
jwk.CertificatesURL = &url.URL{}
jwk.CertificateThumbprintSHA1 = []byte{}
jwk.CertificateThumbprintSHA256 = []byte{}
},
// set this to make the .Equal comparison work
// this is safe because Time explicitly implements JSON marshalling and unmarshalling
func(tp *time.Time, c fuzz.Continue) {
*tp = time.Unix(c.Int63n(1<<32), c.Int63n(1<<32)).UTC()
},
// make random strings that do not contain any ` characters
func(s *string, c fuzz.Continue) {
*s = randString(c)
},
// handle string type alias
func(s *fosite.TokenType, c fuzz.Continue) {
*s = fosite.TokenType(randString(c))
},
// handle string type alias
func(s *fosite.Arguments, c fuzz.Continue) {
n := c.Intn(3) + 1 // 1 to 3 items
arguments := make(fosite.Arguments, n)
for i := range arguments {
arguments[i] = randString(c)
}
*s = arguments
},
)
f.Fuzz(validSession)
const name = "fuzz" // value is irrelevant
ctx := context.Background()
secrets := fake.NewSimpleClientset().CoreV1().Secrets(name)
storage := New(secrets, func() time.Time { return fakeNow }, lifetime)
// issue a create using the fuzzed request to confirm that marshalling works
err = storage.CreateAuthorizeCodeSession(ctx, name, validSession.Request)
require.NoError(t, err)
// retrieve a copy of the fuzzed request from storage to confirm that unmarshalling works
newRequest, err := storage.GetAuthorizeCodeSession(ctx, name, nil)
require.NoError(t, err)
// the fuzzed request and the copy from storage should be exactly the same
require.Equal(t, validSession.Request, newRequest)
secretList, err := secrets.List(ctx, metav1.ListOptions{})
require.NoError(t, err)
require.Len(t, secretList.Items, 1)
authorizeCodeSessionJSONFromStorage := string(secretList.Items[0].Data["pinniped-storage-data"])
// set these to match CreateAuthorizeCodeSession so that .JSONEq works
validSession.Active = true
validSession.Version = "1"
validSessionJSONBytes, err := json.MarshalIndent(validSession, "", "\t")
require.NoError(t, err)
authorizeCodeSessionJSONFromFuzzing := string(validSessionJSONBytes)
// the fuzzed session and storage session should have identical JSON
require.JSONEq(t, authorizeCodeSessionJSONFromFuzzing, authorizeCodeSessionJSONFromStorage)
// while the fuzzer will panic if AuthorizeRequest changes in a way that cannot be fuzzed,
// if it adds a new field that can be fuzzed, this check will fail
// thus if AuthorizeRequest changes, we will detect it here (though we could possibly miss an omitempty field)
require.JSONEq(t, ExpectedAuthorizeCodeSessionJSONFromFuzzing, authorizeCodeSessionJSONFromFuzzing)
}