Files
wonderwall/pkg/handler/handler_test.go
2022-07-15 08:44:54 +02:00

287 lines
8.6 KiB
Go

package handler_test
import (
"encoding/base64"
"fmt"
"net/http"
"net/url"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/nais/wonderwall/pkg/cookie"
"github.com/nais/wonderwall/pkg/mock"
)
func TestHandler_Login(t *testing.T) {
cfg := mock.Config()
idp := mock.NewIdentityProvider(cfg)
defer idp.Close()
rpClient := idp.RelyingPartyClient()
resp := localLogin(t, rpClient, idp)
location := resp.Header.Get("location")
u, err := url.Parse(location)
assert.NoError(t, err)
assert.Equal(t, idp.ProviderServer.URL, fmt.Sprintf("%s://%s", u.Scheme, u.Host))
assert.Equal(t, "/authorize", u.Path)
assert.Equal(t, idp.OpenIDConfig.Client().GetACRValues(), u.Query().Get("acr_values"))
assert.Equal(t, idp.OpenIDConfig.Client().GetUILocales(), u.Query().Get("ui_locales"))
assert.Equal(t, idp.OpenIDConfig.Client().GetClientID(), u.Query().Get("client_id"))
assert.Equal(t, idp.OpenIDConfig.Client().GetCallbackURI(), u.Query().Get("redirect_uri"))
assert.Equal(t, "S256", u.Query().Get("code_challenge_method"))
assert.ElementsMatch(t, idp.OpenIDConfig.Client().GetScopes(), strings.Split(u.Query().Get("scope"), " "))
assert.NotEmpty(t, u.Query().Get("state"))
assert.NotEmpty(t, u.Query().Get("nonce"))
assert.NotEmpty(t, u.Query().Get("code_challenge"))
resp, err = rpClient.Get(u.String())
assert.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
location = resp.Header.Get("location")
callbackURL, err := url.Parse(location)
assert.NoError(t, err)
assert.Equal(t, u.Query().Get("state"), callbackURL.Query().Get("state"))
assert.NotEmpty(t, callbackURL.Query().Get("code"))
}
func TestHandler_Callback(t *testing.T) {
cfg := mock.Config()
idp := mock.NewIdentityProvider(cfg)
defer idp.Close()
rpClient := idp.RelyingPartyClient()
login(t, rpClient, idp)
}
func TestHandler_Logout(t *testing.T) {
cfg := mock.Config()
idp := mock.NewIdentityProvider(cfg)
defer idp.Close()
rpClient := idp.RelyingPartyClient()
login(t, rpClient, idp)
resp := localLogout(t, rpClient, idp)
// Get endsession endpoint after local logout
location := resp.Header.Get("location")
endsessionURL, err := url.Parse(location)
assert.NoError(t, err)
idpserverURL, err := url.Parse(idp.ProviderServer.URL)
assert.NoError(t, err)
endsessionParams := endsessionURL.Query()
assert.Equal(t, idpserverURL.Host, endsessionURL.Host)
assert.Equal(t, "/endsession", endsessionURL.Path)
assert.Equal(t, endsessionParams["post_logout_redirect_uri"], []string{idp.OpenIDConfig.Client().GetLogoutCallbackURI()})
assert.NotEmpty(t, endsessionParams["id_token_hint"])
}
func TestHandler_LogoutCallback(t *testing.T) {
cfg := mock.Config()
idp := mock.NewIdentityProvider(cfg)
defer idp.Close()
rpClient := idp.RelyingPartyClient()
logout(t, rpClient, idp)
}
func TestHandler_FrontChannelLogout(t *testing.T) {
cfg := mock.Config()
idp := mock.NewIdentityProvider(cfg)
idp.Provider.WithFrontChannelLogoutSupport()
defer idp.Close()
rpClient := idp.RelyingPartyClient()
sessionCookie := login(t, rpClient, idp)
// Trigger front-channel logout
ciphertext, err := base64.StdEncoding.DecodeString(sessionCookie.Value)
assert.NoError(t, err)
sid, err := idp.RelyingPartyHandler.Crypter.Decrypt(ciphertext)
assert.NoError(t, err)
frontchannelLogoutURL, err := url.Parse(idp.RelyingPartyServer.URL)
assert.NoError(t, err)
frontchannelLogoutURL.Path = "/oauth2/logout/frontchannel"
values := url.Values{}
values.Add("sid", string(sid))
values.Add("iss", idp.OpenIDConfig.Provider().Issuer)
frontchannelLogoutURL.RawQuery = values.Encode()
resp, err := rpClient.Get(frontchannelLogoutURL.String())
assert.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusOK, resp.StatusCode)
}
func TestHandler_SessionStateRequired(t *testing.T) {
cfg := mock.Config()
idp := mock.NewIdentityProvider(cfg)
idp.Provider.WithCheckSessionIFrameSupport(idp.ProviderServer.URL + "/checksession")
defer idp.Close()
rpClient := idp.RelyingPartyClient()
resp := authorize(t, rpClient, idp)
// Get callback URL after successful auth
location := resp.Header.Get("location")
callbackURL, err := url.Parse(location)
assert.NoError(t, err)
params := callbackURL.Query()
sessionState := params.Get("session_state")
assert.NotEmpty(t, sessionState)
}
func TestHandler_Default(t *testing.T) {
// TODO
}
func localLogin(t *testing.T, rpClient *http.Client, idp mock.IdentityProvider) *http.Response {
// First, run /oauth2/login to set cookies
loginURL, err := url.Parse(idp.RelyingPartyServer.URL + "/oauth2/login")
assert.NoError(t, err)
resp, err := rpClient.Get(loginURL.String())
assert.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
cookies := rpClient.Jar.Cookies(loginURL)
sessionCookie := getCookieFromJar(cookie.Session, cookies)
loginCookie := getCookieFromJar(cookie.Login, cookies)
loginLegacyCookie := getCookieFromJar(cookie.LoginLegacy, cookies)
assert.Nil(t, sessionCookie)
assert.NotNil(t, loginCookie)
assert.NotNil(t, loginLegacyCookie)
return resp
}
func authorize(t *testing.T, rpClient *http.Client, idp mock.IdentityProvider) *http.Response {
resp := localLogin(t, rpClient, idp)
// Get authorization URL
location := resp.Header.Get("location")
u, err := url.Parse(location)
assert.NoError(t, err)
// Follow redirect to authorize with identity provider
resp, err = rpClient.Get(u.String())
assert.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
return resp
}
func callback(t *testing.T, rpClient *http.Client, authorizeResponse *http.Response) *http.Cookie {
// Get callback URL after successful auth
location := authorizeResponse.Header.Get("location")
callbackURL, err := url.Parse(location)
assert.NoError(t, err)
// Follow redirect to callback
resp, err := rpClient.Get(callbackURL.String())
assert.NoError(t, err)
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
cookies := rpClient.Jar.Cookies(callbackURL)
sessionCookie := getCookieFromJar(cookie.Session, cookies)
loginCookie := getCookieFromJar(cookie.Login, cookies)
loginLegacyCookie := getCookieFromJar(cookie.LoginLegacy, cookies)
assert.NotNil(t, sessionCookie)
assert.Nil(t, loginCookie)
assert.Nil(t, loginLegacyCookie)
return sessionCookie
}
func login(t *testing.T, rpClient *http.Client, idp mock.IdentityProvider) *http.Cookie {
resp := authorize(t, rpClient, idp)
return callback(t, rpClient, resp)
}
func localLogout(t *testing.T, rpClient *http.Client, idp mock.IdentityProvider) *http.Response {
// Request self-initiated logout
logoutURL, err := url.Parse(idp.RelyingPartyServer.URL + "/oauth2/logout")
assert.NoError(t, err)
resp, err := rpClient.Get(logoutURL.String())
assert.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
cookies := rpClient.Jar.Cookies(logoutURL)
sessionCookie := getCookieFromJar(cookie.Session, cookies)
assert.Nil(t, sessionCookie)
return resp
}
func logout(t *testing.T, rpClient *http.Client, idp mock.IdentityProvider) {
resp := localLogout(t, rpClient, idp)
// Get endsession endpoint after local logout
location := resp.Header.Get("location")
endsessionURL, err := url.Parse(location)
assert.NoError(t, err)
// Follow redirect to endsession endpoint at identity provider
resp, err = rpClient.Get(endsessionURL.String())
assert.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
// Get post-logout redirect URI after successful logout at identity provider
location = resp.Header.Get("location")
logoutCallbackURI, err := url.Parse(location)
assert.NoError(t, err)
assert.Contains(t, logoutCallbackURI.String(), idp.OpenIDConfig.Client().GetLogoutCallbackURI())
assert.Equal(t, "/oauth2/logout/callback", logoutCallbackURI.Path)
// Follow redirect back to logout callback
resp, err = rpClient.Get(logoutCallbackURI.String())
assert.NoError(t, err)
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode)
// Get post-logout redirect URI after redirect back to logout callback
location = resp.Header.Get("location")
postLogoutRedirectURI, err := url.Parse(location)
assert.NoError(t, err)
assert.Equal(t, idp.OpenIDConfig.Client().GetPostLogoutRedirectURI(), postLogoutRedirectURI.String())
cookies := rpClient.Jar.Cookies(logoutCallbackURI)
sessionCookie := getCookieFromJar(cookie.Session, cookies)
assert.Nil(t, sessionCookie)
}
func getCookieFromJar(name string, cookies []*http.Cookie) *http.Cookie {
for _, c := range cookies {
if c.Name == name {
return c
}
}
return nil
}