func TestCLIGetToken(t *testing.T) {
	testutil.DeleteAllEtcdKeys()

	// setup
	etcdClient := testutil.NewEtcdClient()
	etcdHelper, _ := master.NewEtcdHelper(etcdClient, latest.Version, etcdtest.PathPrefix())

	accessTokenStorage := accesstokenetcd.NewREST(etcdHelper)
	accessTokenRegistry := accesstokenregistry.NewRegistry(accessTokenStorage)
	authorizeTokenStorage := authorizetokenetcd.NewREST(etcdHelper)
	authorizeTokenRegistry := authorizetokenregistry.NewRegistry(authorizeTokenStorage)
	clientStorage := clientetcd.NewREST(etcdHelper)
	clientRegistry := clientregistry.NewRegistry(clientStorage)
	clientAuthStorage := clientauthetcd.NewREST(etcdHelper)
	clientAuthRegistry := clientauthregistry.NewRegistry(clientAuthStorage)

	userStorage := useretcd.NewREST(etcdHelper)
	userRegistry := userregistry.NewRegistry(userStorage)
	identityStorage := identityetcd.NewREST(etcdHelper)
	identityRegistry := identityregistry.NewRegistry(identityStorage)

	identityMapper := identitymapper.NewAlwaysCreateUserIdentityToUserMapper(identityRegistry, userRegistry)

	authRequestHandler := basicauthrequest.NewBasicAuthAuthentication(allowanypassword.New("get-token-test", identityMapper), true)
	authHandler := oauthhandlers.NewUnionAuthenticationHandler(
		map[string]oauthhandlers.AuthenticationChallenger{"login": passwordchallenger.NewBasicAuthChallenger("openshift")}, nil, nil)

	storage := registrystorage.New(accessTokenRegistry, authorizeTokenRegistry, clientRegistry, oauthregistry.NewUserConversion())
	config := osinserver.NewDefaultServerConfig()

	grantChecker := oauthregistry.NewClientAuthorizationGrantChecker(clientAuthRegistry)
	grantHandler := oauthhandlers.NewAutoGrant()

	server := osinserver.New(
		config,
		storage,
		osinserver.AuthorizeHandlers{
			oauthhandlers.NewAuthorizeAuthenticator(
				authRequestHandler,
				authHandler,
				oauthhandlers.EmptyError{},
			),
			oauthhandlers.NewGrantCheck(
				grantChecker,
				grantHandler,
				oauthhandlers.EmptyError{},
			),
		},
		osinserver.AccessHandlers{
			oauthhandlers.NewDenyAccessAuthenticator(),
		},
		osinserver.NewDefaultErrorHandler(),
	)
	mux := http.NewServeMux()
	server.Install(mux, origin.OpenShiftOAuthAPIPrefix)
	oauthServer := httptest.NewServer(http.Handler(mux))
	defer oauthServer.Close()
	t.Logf("oauth server is on %v\n", oauthServer.URL)

	// create the default oauth clients with redirects to our server
	origin.CreateOrUpdateDefaultOAuthClients(oauthServer.URL, []string{oauthServer.URL}, clientRegistry)

	flags := pflag.NewFlagSet("test-flags", pflag.ContinueOnError)
	clientCfg := clientcmd.NewConfig()
	clientCfg.Bind(flags)
	flags.Parse(strings.Split("--master="+oauthServer.URL, " "))

	reader := bytes.NewBufferString("user\npass")

	accessToken, err := tokencmd.RequestToken(clientCfg.OpenShiftConfig(), reader, "", "")

	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if len(accessToken) == 0 {
		t.Error("Expected accessToken, but did not get one")
	}

	// lets see if this access token is any good
	token, err := accessTokenRegistry.GetAccessToken(kapi.NewContext(), accessToken)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if token.UserName != "user" {
		t.Errorf("Expected token for \"user\", but got: %#v", token)
	}
}
func TestOAuthStorage(t *testing.T) {
	testutil.DeleteAllEtcdKeys()
	interfaces, _ := latest.InterfacesFor(latest.Version)
	etcdClient := testutil.NewEtcdClient()
	etcdHelper := tools.NewEtcdHelper(etcdClient, interfaces.Codec, etcdtest.PathPrefix())

	accessTokenStorage := accesstokenetcd.NewREST(etcdHelper)
	accessTokenRegistry := accesstokenregistry.NewRegistry(accessTokenStorage)
	authorizeTokenStorage := authorizetokenetcd.NewREST(etcdHelper)
	authorizeTokenRegistry := authorizetokenregistry.NewRegistry(authorizeTokenStorage)
	clientStorage := clientetcd.NewREST(etcdHelper)
	clientRegistry := clientregistry.NewRegistry(clientStorage)

	user := &testUser{UserName: "******", UserUID: "1"}
	storage := registrystorage.New(accessTokenRegistry, authorizeTokenRegistry, clientRegistry, user)

	oauthServer := osinserver.New(
		osinserver.NewDefaultServerConfig(),
		storage,
		osinserver.AuthorizeHandlerFunc(func(ar *osin.AuthorizeRequest, w http.ResponseWriter) (bool, error) {
			ar.UserData = "test"
			ar.Authorized = true
			return false, nil
		}),
		osinserver.AccessHandlerFunc(func(ar *osin.AccessRequest, w http.ResponseWriter) error {
			ar.UserData = "test"
			ar.Authorized = true
			ar.GenerateRefresh = false
			return nil
		}),
		osinserver.NewDefaultErrorHandler(),
	)
	mux := http.NewServeMux()
	oauthServer.Install(mux, "")
	server := httptest.NewServer(mux)
	defer server.Close()

	ch := make(chan *osincli.AccessData, 1)
	var oaclient *osincli.Client
	var authReq *osincli.AuthorizeRequest
	assertServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		data, err := authReq.HandleRequest(r)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		tokenReq := oaclient.NewAccessRequest(osincli.AUTHORIZATION_CODE, data)
		token, err := tokenReq.GetToken()
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		ch <- token
	}))

	clientRegistry.CreateClient(kapi.NewContext(), &api.OAuthClient{
		ObjectMeta:   kapi.ObjectMeta{Name: "test"},
		Secret:       "secret",
		RedirectURIs: []string{assertServer.URL + "/assert"},
	})
	storedClient, err := storage.GetClient("test")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if storedClient.GetSecret() != "secret" {
		t.Fatalf("unexpected stored client: %#v", storedClient)
	}

	oaclientConfig := &osincli.ClientConfig{
		ClientId:     "test",
		ClientSecret: "secret",
		RedirectUrl:  assertServer.URL + "/assert",
		AuthorizeUrl: server.URL + "/authorize",
		TokenUrl:     server.URL + "/token",
	}
	osinclient, err := osincli.NewClient(oaclientConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	oaclient = osinclient // initialize the assert server client as well
	authReq = oaclient.NewAuthorizeRequest(osincli.CODE)

	config := &oauth2.Config{
		ClientID:     "test",
		ClientSecret: "",
		Scopes:       []string{"a_scope"},
		RedirectURL:  assertServer.URL + "/assert",
		Endpoint: oauth2.Endpoint{
			AuthURL:  server.URL + "/authorize",
			TokenURL: server.URL + "/token",
		},
	}
	url := config.AuthCodeURL("")
	client := http.Client{ /*CheckRedirect: func(req *http.Request, via []*http.Request) error {
		t.Logf("redirect (%d): to %s, %#v", len(via), req.URL, req)
		return nil
	}*/}

	resp, err := client.Get(url)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if resp.StatusCode != http.StatusOK {
		t.Fatalf("unexpected response: %#v", resp)
	}

	token := <-ch
	if token.AccessToken == "" {
		t.Errorf("unexpected access token: %#v", token)
	}

	actualToken, err := accessTokenRegistry.GetAccessToken(kapi.NewContext(), token.AccessToken)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if actualToken.UserUID != "1" || actualToken.UserName != "test" {
		t.Errorf("unexpected stored token: %#v", actualToken)
	}
}
func TestAuthProxyOnAuthorize(t *testing.T) {
	testutil.DeleteAllEtcdKeys()

	// setup
	etcdClient := testutil.NewEtcdClient()
	etcdHelper, _ := master.NewEtcdHelper(etcdClient, latest.Version, etcdtest.PathPrefix())

	accessTokenStorage := accesstokenetcd.NewREST(etcdHelper)
	accessTokenRegistry := accesstokenregistry.NewRegistry(accessTokenStorage)
	authorizeTokenStorage := authorizetokenetcd.NewREST(etcdHelper)
	authorizeTokenRegistry := authorizetokenregistry.NewRegistry(authorizeTokenStorage)
	clientStorage := clientetcd.NewREST(etcdHelper)
	clientRegistry := clientregistry.NewRegistry(clientStorage)
	clientAuthStorage := clientauthetcd.NewREST(etcdHelper)
	clientAuthRegistry := clientauthregistry.NewRegistry(clientAuthStorage)

	userStorage := useretcd.NewREST(etcdHelper)
	userRegistry := userregistry.NewRegistry(userStorage)
	identityStorage := identityetcd.NewREST(etcdHelper)
	identityRegistry := identityregistry.NewRegistry(identityStorage)

	identityMapper := identitymapper.NewAlwaysCreateUserIdentityToUserMapper(identityRegistry, userRegistry)

	// this auth request handler is the one that is supposed to recognize information from a front proxy
	authRequestHandler := headerrequest.NewAuthenticator("front-proxy-test", headerrequest.NewDefaultConfig(), identityMapper)
	authHandler := &oauthhandlers.EmptyAuth{}

	storage := registrystorage.New(accessTokenRegistry, authorizeTokenRegistry, clientRegistry, oauthregistry.NewUserConversion())
	config := osinserver.NewDefaultServerConfig()

	grantChecker := oauthregistry.NewClientAuthorizationGrantChecker(clientAuthRegistry)
	grantHandler := oauthhandlers.NewAutoGrant()

	server := osinserver.New(
		config,
		storage,
		osinserver.AuthorizeHandlers{
			oauthhandlers.NewAuthorizeAuthenticator(
				authRequestHandler,
				authHandler,
				oauthhandlers.EmptyError{},
			),
			oauthhandlers.NewGrantCheck(
				grantChecker,
				grantHandler,
				oauthhandlers.EmptyError{},
			),
		},
		osinserver.AccessHandlers{
			oauthhandlers.NewDenyAccessAuthenticator(),
		},
		osinserver.NewDefaultErrorHandler(),
	)

	mux := http.NewServeMux()
	server.Install(mux, origin.OpenShiftOAuthAPIPrefix)
	oauthServer := httptest.NewServer(http.Handler(mux))
	defer oauthServer.Close()
	t.Logf("oauth server is on %v\n", oauthServer.URL)

	// set up a front proxy guarding the oauth server
	proxyHTTPHandler := NewBasicAuthChallenger("TestRegistryAndServer", validUsers, NewXRemoteUserProxyingHandler(oauthServer.URL))
	proxyServer := httptest.NewServer(proxyHTTPHandler)
	defer proxyServer.Close()
	t.Logf("proxy server is on %v\n", proxyServer.URL)

	// need to prime clients so that we can get back a code.  the client must be valid
	createClient(t, clientRegistry, &oauthapi.OAuthClient{ObjectMeta: kapi.ObjectMeta{Name: "test"}, Secret: "secret", RedirectURIs: []string{oauthServer.URL}})

	// our simple URL to get back a code.  We want to go through the front proxy
	rawAuthorizeRequest := proxyServer.URL + origin.OpenShiftOAuthAPIPrefix + "/authorize?response_type=code&client_id=test"

	// the first request we make to the front proxy should challenge us for authentication info
	shouldBeAChallengeResponse, err := http.Get(rawAuthorizeRequest)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if shouldBeAChallengeResponse.StatusCode != http.StatusUnauthorized {
		t.Errorf("Expected Unauthorized, but got %v", shouldBeAChallengeResponse.StatusCode)
	}

	// create an http.Client to make our next request.  We need a custom Transport to authenticate us through our front proxy
	// and a custom CheckRedirect so that we can keep track of the redirect responses we're getting
	// OAuth requests a few redirects that we don't really care about checking, so this simpler than using a round tripper
	// and manually handling redirects and setting our auth information every time for the front proxy
	redirectedUrls := make([]url.URL, 10)
	httpClient := http.Client{
		CheckRedirect: getRedirectMethod(t, &redirectedUrls),
		Transport:     kclient.NewBasicAuthRoundTripper("sanefarmer", "who?", http.DefaultTransport),
	}

	// make our authorize request again, but this time our transport has properly set the auth info for the front proxy
	req, err := http.NewRequest("GET", rawAuthorizeRequest, nil)
	_, err = httpClient.Do(req)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	// check the last redirect and see if we got a code
	foundCode := ""
	if len(redirectedUrls) > 0 {
		foundCode = redirectedUrls[len(redirectedUrls)-1].Query().Get("code")
	}

	if len(foundCode) == 0 {
		t.Errorf("Did not find code in any redirect: %v", redirectedUrls)
	} else {
		t.Logf("Found code %v\n", foundCode)
	}
}
// InstallAPI registers endpoints for an OAuth2 server into the provided mux,
// then returns an array of strings indicating what endpoints were started
// (these are format strings that will expect to be sent a single string value).
func (c *AuthConfig) InstallAPI(container *restful.Container) []string {
	// TODO: register into container
	mux := container.ServeMux

	accessTokenStorage := accesstokenetcd.NewREST(c.EtcdHelper)
	accessTokenRegistry := accesstokenregistry.NewRegistry(accessTokenStorage)
	authorizeTokenStorage := authorizetokenetcd.NewREST(c.EtcdHelper)
	authorizeTokenRegistry := authorizetokenregistry.NewRegistry(authorizeTokenStorage)
	clientStorage := clientetcd.NewREST(c.EtcdHelper)
	clientRegistry := clientregistry.NewRegistry(clientStorage)
	clientAuthStorage := clientauthetcd.NewREST(c.EtcdHelper)
	clientAuthRegistry := clientauthregistry.NewRegistry(clientAuthStorage)

	authRequestHandler, authHandler, authFinalizer, err := c.getAuthorizeAuthenticationHandlers(mux)
	if err != nil {
		glog.Fatal(err)
	}

	storage := registrystorage.New(accessTokenRegistry, authorizeTokenRegistry, clientRegistry, registry.NewUserConversion())
	config := osinserver.NewDefaultServerConfig()
	if c.Options.TokenConfig.AuthorizeTokenMaxAgeSeconds > 0 {
		config.AuthorizationExpiration = c.Options.TokenConfig.AuthorizeTokenMaxAgeSeconds
	}
	if c.Options.TokenConfig.AccessTokenMaxAgeSeconds > 0 {
		config.AccessExpiration = c.Options.TokenConfig.AccessTokenMaxAgeSeconds
	}

	grantChecker := registry.NewClientAuthorizationGrantChecker(clientAuthRegistry)
	grantHandler := c.getGrantHandler(mux, authRequestHandler, clientRegistry, clientAuthRegistry)

	server := osinserver.New(
		config,
		storage,
		osinserver.AuthorizeHandlers{
			handlers.NewAuthorizeAuthenticator(
				authRequestHandler,
				authHandler,
				handlers.EmptyError{},
			),
			handlers.NewGrantCheck(
				grantChecker,
				grantHandler,
				handlers.EmptyError{},
			),
			authFinalizer,
		},
		osinserver.AccessHandlers{
			handlers.NewDenyAccessAuthenticator(),
		},
		osinserver.NewDefaultErrorHandler(),
	)
	server.Install(mux, OpenShiftOAuthAPIPrefix)

	CreateOrUpdateDefaultOAuthClients(c.Options.MasterPublicURL, c.AssetPublicAddresses, clientRegistry)
	osOAuthClientConfig := c.NewOpenShiftOAuthClientConfig(&OSBrowserClientBase)
	osOAuthClientConfig.RedirectUrl = c.Options.MasterPublicURL + path.Join(OpenShiftOAuthAPIPrefix, tokenrequest.DisplayTokenEndpoint)

	osOAuthClient, _ := osincli.NewClient(osOAuthClientConfig)
	if c.MasterRoots != nil {
		// Copy the default transport
		var transport http.Transport = *http.DefaultTransport.(*http.Transport)
		// Set TLS CA roots
		transport.TLSClientConfig = &tls.Config{RootCAs: c.MasterRoots}
		osOAuthClient.Transport = &transport
	}

	tokenRequestEndpoints := tokenrequest.NewEndpoints(c.Options.MasterPublicURL, osOAuthClient)
	tokenRequestEndpoints.Install(mux, OpenShiftOAuthAPIPrefix)

	// glog.Infof("oauth server configured as: %#v", server)
	// glog.Infof("auth handler: %#v", authHandler)
	// glog.Infof("auth request handler: %#v", authRequestHandler)
	// glog.Infof("grant checker: %#v", grantChecker)
	// glog.Infof("grant handler: %#v", grantHandler)

	return []string{
		fmt.Sprintf("Started OAuth2 API at %%s%s", OpenShiftOAuthAPIPrefix),
		fmt.Sprintf("Started Login endpoint at %%s%s", OpenShiftLoginPrefix),
	}
}