func TestAuthenticateRequestError(t *testing.T) {
failed := make(chan struct{})
contextMapper := genericapirequest.NewRequestContextMapper()
auth := WithAuthentication(
http.HandlerFunc(func(_ http.ResponseWriter, req *http.Request) {
t.Errorf("unexpected call to handler")
}),
contextMapper,
authenticator.RequestFunc(func(req *http.Request) (user.Info, bool, error) {
return nil, false, errors.New("failure")
}),
http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
close(failed)
}),
)
auth.ServeHTTP(httptest.NewRecorder(), &http.Request{})
<-failed
empty, err := genericapirequest.IsEmpty(contextMapper)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !empty {
t.Fatalf("contextMapper should have no stored requests: %v", contextMapper)
}
}
func TestGroupAdder(t *testing.T) {
adder := authenticator.Request(
NewGroupAdder(
authenticator.RequestFunc(func(req *http.Request) (user.Info, bool, error) {
return &user.DefaultInfo{Name: "user", Groups: []string{"original"}}, true, nil
}),
[]string{"added"},
),
)
user, _, _ := adder.AuthenticateRequest(nil)
if !reflect.DeepEqual(user.GetGroups(), []string{"original", "added"}) {
t.Errorf("Expected original,added groups, got %#v", user.GetGroups())
}
}
func TestAuthenticateRequest(t *testing.T) {
success := make(chan struct{})
contextMapper := genericapirequest.NewRequestContextMapper()
auth := WithAuthentication(
http.HandlerFunc(func(_ http.ResponseWriter, req *http.Request) {
ctx, ok := contextMapper.Get(req)
if ctx == nil || !ok {
t.Errorf("no context stored on contextMapper: %#v", contextMapper)
}
user, ok := genericapirequest.UserFrom(ctx)
if user == nil || !ok {
t.Errorf("no user stored in context: %#v", ctx)
}
if req.Header.Get("Authorization") != "" {
t.Errorf("Authorization header should be removed from request on success: %#v", req)
}
close(success)
}),
contextMapper,
authenticator.RequestFunc(func(req *http.Request) (user.Info, bool, error) {
if req.Header.Get("Authorization") == "Something" {
return &user.DefaultInfo{Name: "user"}, true, nil
}
return nil, false, errors.New("Authorization header is missing.")
}),
http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
t.Errorf("unexpected call to failed")
}),
)
auth.ServeHTTP(httptest.NewRecorder(), &http.Request{Header: map[string][]string{"Authorization": {"Something"}}})
<-success
empty, err := genericapirequest.IsEmpty(contextMapper)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !empty {
t.Fatalf("contextMapper should have no stored requests: %v", contextMapper)
}
}
// startMasterOrDie starts a kubernetes master and an httpserver to handle api requests
func startMasterOrDie(masterConfig *master.Config, incomingServer *httptest.Server, masterReceiver MasterReceiver) (*master.Master, *httptest.Server) {
var m *master.Master
var s *httptest.Server
if incomingServer != nil {
s = incomingServer
} else {
s = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
m.GenericAPIServer.Handler.ServeHTTP(w, req)
}))
}
if masterConfig == nil {
masterConfig = NewMasterConfig()
masterConfig.GenericConfig.EnableProfiling = true
masterConfig.GenericConfig.EnableMetrics = true
masterConfig.GenericConfig.OpenAPIConfig = genericapiserver.DefaultOpenAPIConfig(openapi.OpenAPIDefinitions)
masterConfig.GenericConfig.OpenAPIConfig.Info = &spec.Info{
InfoProps: spec.InfoProps{
Title: "Kubernetes",
Version: "unversioned",
},
}
masterConfig.GenericConfig.OpenAPIConfig.DefaultResponse = &spec.Response{
ResponseProps: spec.ResponseProps{
Description: "Default Response.",
},
}
masterConfig.GenericConfig.OpenAPIConfig.Definitions = openapi.OpenAPIDefinitions
masterConfig.GenericConfig.SwaggerConfig = genericapiserver.DefaultSwaggerConfig()
}
// set the loopback client config
if masterConfig.GenericConfig.LoopbackClientConfig == nil {
masterConfig.GenericConfig.LoopbackClientConfig = &restclient.Config{QPS: 50, Burst: 100, ContentConfig: restclient.ContentConfig{NegotiatedSerializer: api.Codecs}}
}
masterConfig.GenericConfig.LoopbackClientConfig.Host = s.URL
privilegedLoopbackToken := uuid.NewRandom().String()
// wrap any available authorizer
tokens := make(map[string]*user.DefaultInfo)
tokens[privilegedLoopbackToken] = &user.DefaultInfo{
Name: user.APIServerUser,
UID: uuid.NewRandom().String(),
Groups: []string{user.SystemPrivilegedGroup},
}
tokenAuthenticator := authenticator.NewAuthenticatorFromTokens(tokens)
if masterConfig.GenericConfig.Authenticator == nil {
masterConfig.GenericConfig.Authenticator = authenticatorunion.New(tokenAuthenticator, authauthenticator.RequestFunc(alwaysEmpty))
} else {
masterConfig.GenericConfig.Authenticator = authenticatorunion.New(tokenAuthenticator, masterConfig.GenericConfig.Authenticator)
}
if masterConfig.GenericConfig.Authorizer != nil {
tokenAuthorizer := authorizer.NewPrivilegedGroups(user.SystemPrivilegedGroup)
masterConfig.GenericConfig.Authorizer = authorizerunion.New(tokenAuthorizer, masterConfig.GenericConfig.Authorizer)
} else {
masterConfig.GenericConfig.Authorizer = alwaysAllow{}
}
masterConfig.GenericConfig.LoopbackClientConfig.BearerToken = privilegedLoopbackToken
m, err := masterConfig.Complete().New()
if err != nil {
glog.Fatalf("error in bringing up the master: %v", err)
}
if masterReceiver != nil {
masterReceiver.SetMaster(m)
}
// TODO have this start method actually use the normal start sequence for the API server
// this method never actually calls the `Run` method for the API server
// fire the post hooks ourselves
m.GenericAPIServer.PrepareRun()
m.GenericAPIServer.RunPostStartHooks()
cfg := *masterConfig.GenericConfig.LoopbackClientConfig
cfg.ContentConfig.GroupVersion = &schema.GroupVersion{}
privilegedClient, err := restclient.RESTClientFor(&cfg)
if err != nil {
glog.Fatal(err)
}
err = wait.PollImmediate(100*time.Millisecond, 30*time.Second, func() (bool, error) {
result := privilegedClient.Get().AbsPath("/healthz").Do()
status := 0
result.StatusCode(&status)
if status == 200 {
return true, nil
}
return false, nil
})
if err != nil {
glog.Fatal(err)
}
// wait for services to be ready
if masterConfig.EnableCoreControllers {
// TODO Once /healthz is updated for posthooks, we'll wait for good health
coreClient := coreclient.NewForConfigOrDie(&cfg)
svcWatch, err := coreClient.Services(v1.NamespaceDefault).Watch(v1.ListOptions{})
if err != nil {
glog.Fatal(err)
}
_, err = watch.Until(30*time.Second, svcWatch, func(event watch.Event) (bool, error) {
if event.Type != watch.Added {
return false, nil
}
if event.Object.(*v1.Service).Name == "kubernetes" {
return true, nil
}
return false, nil
})
if err != nil {
glog.Fatal(err)
}
}
return m, s
}
func TestSubjectAccessReview(t *testing.T) {
masterConfig := framework.NewIntegrationTestMasterConfig()
masterConfig.GenericConfig.Authenticator = authenticator.RequestFunc(alwaysAlice)
masterConfig.GenericConfig.Authorizer = sarAuthorizer{}
masterConfig.GenericConfig.AdmissionControl = admit.NewAlwaysAdmit()
_, s := framework.RunAMaster(masterConfig)
defer s.Close()
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(api.GroupName).GroupVersion}})
tests := []struct {
name string
sar *authorizationapi.SubjectAccessReview
expectedError string
expectedStatus authorizationapi.SubjectAccessReviewStatus
}{
{
name: "simple allow",
sar: &authorizationapi.SubjectAccessReview{
Spec: authorizationapi.SubjectAccessReviewSpec{
ResourceAttributes: &authorizationapi.ResourceAttributes{
Verb: "list",
Group: api.GroupName,
Version: "v1",
Resource: "pods",
},
User: "******",
},
},
expectedStatus: authorizationapi.SubjectAccessReviewStatus{
Allowed: true,
Reason: "you're not dave",
},
},
{
name: "simple deny",
sar: &authorizationapi.SubjectAccessReview{
Spec: authorizationapi.SubjectAccessReviewSpec{
ResourceAttributes: &authorizationapi.ResourceAttributes{
Verb: "list",
Group: api.GroupName,
Version: "v1",
Resource: "pods",
},
User: "******",
},
},
expectedStatus: authorizationapi.SubjectAccessReviewStatus{
Allowed: false,
Reason: "no",
EvaluationError: "I'm sorry, Dave",
},
},
{
name: "simple error",
sar: &authorizationapi.SubjectAccessReview{
Spec: authorizationapi.SubjectAccessReviewSpec{
ResourceAttributes: &authorizationapi.ResourceAttributes{
Verb: "list",
Group: api.GroupName,
Version: "v1",
Resource: "pods",
},
},
},
expectedError: "at least one of user or group must be specified",
},
}
for _, test := range tests {
response, err := clientset.Authorization().SubjectAccessReviews().Create(test.sar)
switch {
case err == nil && len(test.expectedError) == 0:
case err != nil && strings.Contains(err.Error(), test.expectedError):
continue
case err != nil && len(test.expectedError) != 0:
t.Errorf("%s: unexpected error: %v", test.name, err)
continue
default:
t.Errorf("%s: expected %v, got %v", test.name, test.expectedError, err)
continue
}
if response.Status != test.expectedStatus {
t.Errorf("%s: expected %v, got %v", test.name, test.expectedStatus, response.Status)
continue
}
}
}
func TestX509Verifier(t *testing.T) {
multilevelOpts := DefaultVerifyOptions()
multilevelOpts.Roots = x509.NewCertPool()
multilevelOpts.Roots.AddCert(getCertsFromFile(t, "root")[0])
testCases := map[string]struct {
Insecure bool
Certs []*x509.Certificate
Opts x509.VerifyOptions
AllowedCNs sets.String
ExpectOK bool
ExpectErr bool
}{
"non-tls": {
Insecure: true,
ExpectOK: false,
ExpectErr: false,
},
"tls, no certs": {
ExpectOK: false,
ExpectErr: false,
},
"self signed": {
Opts: getDefaultVerifyOptions(t),
Certs: getCerts(t, selfSignedCert),
ExpectErr: true,
},
"server cert disallowed": {
Opts: getDefaultVerifyOptions(t),
Certs: getCerts(t, serverCert),
ExpectErr: true,
},
"server cert allowing non-client cert usages": {
Opts: x509.VerifyOptions{Roots: getRootCertPool(t)},
Certs: getCerts(t, serverCert),
ExpectOK: true,
ExpectErr: false,
},
"valid client cert": {
Opts: getDefaultVerifyOptions(t),
Certs: getCerts(t, clientCNCert),
ExpectOK: true,
ExpectErr: false,
},
"valid client cert with wrong CN": {
Opts: getDefaultVerifyOptions(t),
AllowedCNs: sets.NewString("foo", "bar"),
Certs: getCerts(t, clientCNCert),
ExpectOK: false,
ExpectErr: true,
},
"valid client cert with right CN": {
Opts: getDefaultVerifyOptions(t),
AllowedCNs: sets.NewString("client_cn"),
Certs: getCerts(t, clientCNCert),
ExpectOK: true,
ExpectErr: false,
},
"future cert": {
Opts: x509.VerifyOptions{
CurrentTime: time.Now().Add(-100 * time.Hour * 24 * 365),
Roots: getRootCertPool(t),
},
Certs: getCerts(t, clientCNCert),
ExpectOK: false,
ExpectErr: true,
},
"expired cert": {
Opts: x509.VerifyOptions{
CurrentTime: time.Now().Add(100 * time.Hour * 24 * 365),
Roots: getRootCertPool(t),
},
Certs: getCerts(t, clientCNCert),
ExpectOK: false,
ExpectErr: true,
},
"multi-level, valid": {
Opts: multilevelOpts,
Certs: getCertsFromFile(t, "client-valid", "intermediate"),
ExpectOK: true,
ExpectErr: false,
},
"multi-level, expired": {
Opts: multilevelOpts,
Certs: getCertsFromFile(t, "client-expired", "intermediate"),
ExpectOK: false,
ExpectErr: true,
},
}
for k, testCase := range testCases {
req, _ := http.NewRequest("GET", "/", nil)
if !testCase.Insecure {
req.TLS = &tls.ConnectionState{PeerCertificates: testCase.Certs}
}
authCall := false
auth := authenticator.RequestFunc(func(req *http.Request) (user.Info, bool, error) {
authCall = true
return &user.DefaultInfo{Name: "innerauth"}, true, nil
})
a := NewVerifier(testCase.Opts, auth, testCase.AllowedCNs)
user, ok, err := a.AuthenticateRequest(req)
if testCase.ExpectErr && err == nil {
t.Errorf("%s: Expected error, got none", k)
continue
}
if !testCase.ExpectErr && err != nil {
t.Errorf("%s: Got unexpected error: %v", k, err)
continue
}
if testCase.ExpectOK != ok {
t.Errorf("%s: Expected ok=%v, got %v", k, testCase.ExpectOK, ok)
continue
}
if testCase.ExpectOK {
if !authCall {
t.Errorf("%s: Expected inner auth called, wasn't", k)
continue
}
if "innerauth" != user.GetName() {
t.Errorf("%s: Expected user.name=%v, got %v", k, "innerauth", user.GetName())
continue
}
} else {
if authCall {
t.Errorf("%s: Expected inner auth not to be called, was", k)
continue
}
}
}
}
func NewAuthenticator() authenticator.Request {
return authenticator.RequestFunc(func(req *http.Request) (user.Info, bool, error) {
return &user.DefaultInfo{Name: anonymousUser, Groups: []string{unauthenticatedGroup}}, true, nil
})
}