Commit 02dd1848 authored by Eric Chiang's avatar Eric Chiang

server: add integration test for the implicit flow

parent c113df96
......@@ -4,9 +4,14 @@ import (
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
"net/http"
"net/http/httptest"
"net/http/httputil"
"net/url"
"strings"
"sync"
"testing"
"time"
......@@ -59,12 +64,11 @@ FDWV28nTP9sqbtsmU8Tem2jzMvZ7C/Q0AuDoKELFUpux8shm8wfIhyaPnXUGZoAZ
Np4vUwMSYV5mopESLWOg3loBxKyLGFtgGKVCjGiQvy6zISQ4fQo=
-----END RSA PRIVATE KEY-----`)
func newTestServer(path string) (*httptest.Server, *Server) {
func newTestServer(updateConfig func(c *Config)) (*httptest.Server, *Server) {
var server *Server
s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
server.ServeHTTP(w, r)
}))
s.URL = s.URL + path
config := Config{
Issuer: s.URL,
Storage: memory.New(),
......@@ -76,6 +80,11 @@ func newTestServer(path string) (*httptest.Server, *Server) {
},
},
}
if updateConfig != nil {
updateConfig(&config)
}
s.URL = config.Issuer
var err error
if server, err = newServer(config, staticRotationStrategy(testKey)); err != nil {
panic(err)
......@@ -85,14 +94,16 @@ func newTestServer(path string) (*httptest.Server, *Server) {
}
func TestNewTestServer(t *testing.T) {
newTestServer("")
newTestServer(nil)
}
func TestDiscovery(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
httpServer, _ := newTestServer("/nonrootpath")
httpServer, _ := newTestServer(func(c *Config) {
c.Issuer = c.Issuer + "/non-root-path"
})
defer httpServer.Close()
p, err := oidc.NewProvider(ctx, httpServer.URL)
......@@ -114,11 +125,13 @@ func TestDiscovery(t *testing.T) {
}
}
func TestOAuth2Flow(t *testing.T) {
func TestOAuth2CodeFlow(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
httpServer, s := newTestServer("/nonrootpath")
httpServer, s := newTestServer(func(c *Config) {
c.Issuer = c.Issuer + "/non-root-path"
})
defer httpServer.Close()
p, err := oidc.NewProvider(ctx, httpServer.URL)
......@@ -221,6 +234,153 @@ func TestOAuth2Flow(t *testing.T) {
}
}
type nonceSource struct {
nonce string
once sync.Once
}
func (n *nonceSource) ClaimNonce(nonce string) error {
if n.nonce != nonce {
return errors.New("invalid nonce")
}
ok := false
n.once.Do(func() { ok = true })
if !ok {
return errors.New("invalid nonce")
}
return nil
}
func TestOAuth2ImplicitFlow(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
httpServer, s := newTestServer(func(c *Config) {
// Enable support for the implicit flow.
c.SupportedResponseTypes = []string{"code", "token"}
})
defer httpServer.Close()
p, err := oidc.NewProvider(ctx, httpServer.URL)
if err != nil {
t.Fatalf("failed to get provider: %v", err)
}
var (
reqDump, respDump []byte
gotIDToken bool
state = "a_state"
nonce = "a_nonce"
)
defer func() {
if !gotIDToken {
t.Errorf("never got a id token in fragment\n%s\n%s", reqDump, respDump)
}
}()
var oauth2Config *oauth2.Config
oauth2Server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/callback" {
q := r.URL.Query()
if errType := q.Get("error"); errType != "" {
if desc := q.Get("error_description"); desc != "" {
t.Errorf("got error from server %s: %s", errType, desc)
} else {
t.Errorf("got error from server %s", errType)
}
w.WriteHeader(http.StatusInternalServerError)
return
}
// Fragment is checked by the client since net/http servers don't preserve URL fragments.
// E.g.
//
// r.URL.Fragment
//
// Will always be empty.
w.WriteHeader(http.StatusOK)
return
}
u := oauth2Config.AuthCodeURL(state, oauth2.SetAuthURLParam("response_type", "token"), oidc.Nonce(nonce))
http.Redirect(w, r, u, http.StatusSeeOther)
}))
defer oauth2Server.Close()
redirectURL := oauth2Server.URL + "/callback"
client := storage.Client{
ID: "testclient",
Secret: "testclientsecret",
RedirectURIs: []string{redirectURL},
}
if err := s.storage.CreateClient(client); err != nil {
t.Fatalf("failed to create client: %v", err)
}
src := &nonceSource{nonce: nonce}
idTokenVerifier := p.NewVerifier(ctx, oidc.VerifyAudience(client.ID), oidc.VerifyNonce(src))
oauth2Config = &oauth2.Config{
ClientID: client.ID,
ClientSecret: client.Secret,
Endpoint: p.Endpoint(),
Scopes: []string{oidc.ScopeOpenID, "profile", "email", "offline_access"},
RedirectURL: redirectURL,
}
checkIDToken := func(u *url.URL) error {
if u.Fragment == "" {
return fmt.Errorf("url has no fragment: %s", u)
}
v, err := url.ParseQuery(u.Fragment)
if err != nil {
return fmt.Errorf("failed to parse fragment: %v", err)
}
idToken := v.Get("id_token")
if idToken == "" {
return errors.New("no id_token in fragment")
}
if _, err := idTokenVerifier.Verify(idToken); err != nil {
return fmt.Errorf("failed to verify id_token: %v", err)
}
return nil
}
httpClient := &http.Client{
// net/http servers don't preserve URL fragments when passing the request to
// handlers. The only way to get at that values is to check the redirect on
// the client side.
CheckRedirect: func(req *http.Request, via []*http.Request) error {
if len(via) > 10 {
return errors.New("too many redirects")
}
// If we're being redirected back to the client server, inspect the URL fragment
// for an ID Token.
u := req.URL.String()
if strings.HasPrefix(u, oauth2Server.URL) {
if err := checkIDToken(req.URL); err == nil {
gotIDToken = true
} else {
t.Error(err)
}
}
return nil
},
}
resp, err := httpClient.Get(oauth2Server.URL + "/login")
if err != nil {
t.Fatalf("get failed: %v", err)
}
if reqDump, err = httputil.DumpRequest(resp.Request, false); err != nil {
t.Fatal(err)
}
if respDump, err = httputil.DumpResponse(resp, true); err != nil {
t.Fatal(err)
}
}
type storageWithKeysTrigger struct {
storage.Storage
f func()
......
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