func newTestServer(ctx context.Context, t *testing.T, 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)
}))
config := Config{
Issuer: s.URL,
Storage: memory.New(),
Connectors: []Connector{
{
ID: "mock",
DisplayName: "Mock",
Connector: mock.NewCallbackConnector(),
},
},
Web: WebConfig{
Dir: filepath.Join(os.Getenv("GOPATH"), "src/github.com/coreos/dex/web"),
},
}
if updateConfig != nil {
updateConfig(&config)
}
s.URL = config.Issuer
var err error
if server, err = newServer(ctx, config, staticRotationStrategy(testKey)); err != nil {
t.Fatal(err)
}
server.skipApproval = true // Don't prompt for approval, just immediately redirect with code.
return s, server
}
// TestOAuth2CodeFlow runs integration tests against a test server. The tests stand up a server
// which requires no interaction to login, logs in through a test client, then passes the client
// and returned token to the test.
func TestOAuth2CodeFlow(t *testing.T) {
clientID := "testclient"
clientSecret := "testclientsecret"
requestedScopes := []string{oidc.ScopeOpenID, "email", "profile", "groups", "offline_access"}
t0 := time.Now()
// Always have the time function used by the server return the same time so
// we can predict expected values of "expires_in" fields exactly.
now := func() time.Time { return t0 }
// Used later when configuring test servers to set how long id_tokens will be valid for.
//
// The actual value of 30s is completely arbitrary. We just need to set a value
// so tests can compute the expected "expires_in" field.
idTokensValidFor := time.Second * 30
// Connector used by the tests.
var conn *mock.Callback
tests := []struct {
name string
// If specified these set of scopes will be used during the test case.
scopes []string
// handleToken provides the OAuth2 token response for the integration test.
handleToken func(context.Context, *oidc.Provider, *oauth2.Config, *oauth2.Token) error
}{
{
name: "verify ID Token",
handleToken: func(ctx context.Context, p *oidc.Provider, config *oauth2.Config, token *oauth2.Token) error {
idToken, ok := token.Extra("id_token").(string)
if !ok {
return fmt.Errorf("no id token found")
}
if _, err := p.Verifier().Verify(ctx, idToken); err != nil {
return fmt.Errorf("failed to verify id token: %v", err)
}
return nil
},
},
{
name: "verify id token and oauth2 token expiry",
handleToken: func(ctx context.Context, p *oidc.Provider, config *oauth2.Config, token *oauth2.Token) error {
expectedExpiry := now().Add(idTokensValidFor)
timeEq := func(t1, t2 time.Time, within time.Duration) bool {
return t1.Sub(t2) < within
}
if !timeEq(token.Expiry, expectedExpiry, time.Second) {
return fmt.Errorf("expected expired_in to be %s, got %s", expectedExpiry, token.Expiry)
}
rawIDToken, ok := token.Extra("id_token").(string)
if !ok {
return fmt.Errorf("no id token found")
}
idToken, err := p.Verifier().Verify(ctx, rawIDToken)
if err != nil {
return fmt.Errorf("failed to verify id token: %v", err)
}
if !timeEq(idToken.Expiry, expectedExpiry, time.Second) {
return fmt.Errorf("expected id token expiry to be %s, got %s", expectedExpiry, token.Expiry)
}
return nil
},
},
{
name: "refresh token",
handleToken: func(ctx context.Context, p *oidc.Provider, config *oauth2.Config, token *oauth2.Token) error {
// have to use time.Now because the OAuth2 package uses it.
token.Expiry = time.Now().Add(time.Second * -10)
if token.Valid() {
return errors.New("token shouldn't be valid")
}
newToken, err := config.TokenSource(ctx, token).Token()
if err != nil {
return fmt.Errorf("failed to refresh token: %v", err)
}
if token.RefreshToken == newToken.RefreshToken {
return fmt.Errorf("old refresh token was the same as the new token %q", token.RefreshToken)
}
return nil
},
},
{
name: "refresh with explicit scopes",
handleToken: func(ctx context.Context, p *oidc.Provider, config *oauth2.Config, token *oauth2.Token) error {
v := url.Values{}
v.Add("client_id", clientID)
v.Add("client_secret", clientSecret)
v.Add("grant_type", "refresh_token")
v.Add("refresh_token", token.RefreshToken)
v.Add("scope", strings.Join(requestedScopes, " "))
resp, err := http.PostForm(p.Endpoint().TokenURL, v)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
dump, err := httputil.DumpResponse(resp, true)
if err != nil {
panic(err)
}
return fmt.Errorf("unexpected response: %s", dump)
}
return nil
},
},
{
name: "refresh with extra spaces",
handleToken: func(ctx context.Context, p *oidc.Provider, config *oauth2.Config, token *oauth2.Token) error {
v := url.Values{}
v.Add("client_id", clientID)
v.Add("client_secret", clientSecret)
v.Add("grant_type", "refresh_token")
v.Add("refresh_token", token.RefreshToken)
// go-oidc adds an additional space before scopes when refreshing.
// Since we support that client we choose to be more relaxed about
// scope parsing, disregarding extra whitespace.
v.Add("scope", " "+strings.Join(requestedScopes, " "))
resp, err := http.PostForm(p.Endpoint().TokenURL, v)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
dump, err := httputil.DumpResponse(resp, true)
if err != nil {
panic(err)
}
return fmt.Errorf("unexpected response: %s", dump)
}
return nil
},
},
{
name: "refresh with unauthorized scopes",
scopes: []string{"openid", "email"},
handleToken: func(ctx context.Context, p *oidc.Provider, config *oauth2.Config, token *oauth2.Token) error {
v := url.Values{}
v.Add("client_id", clientID)
v.Add("client_secret", clientSecret)
v.Add("grant_type", "refresh_token")
v.Add("refresh_token", token.RefreshToken)
// Request a scope that wasn't requestd initially.
v.Add("scope", "oidc email profile")
resp, err := http.PostForm(p.Endpoint().TokenURL, v)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
dump, err := httputil.DumpResponse(resp, true)
if err != nil {
panic(err)
}
return fmt.Errorf("unexpected response: %s", dump)
}
return nil
},
},
{
// This test ensures that the connector.RefreshConnector interface is being
// used when clients request a refresh token.
name: "refresh with identity changes",
handleToken: func(ctx context.Context, p *oidc.Provider, config *oauth2.Config, token *oauth2.Token) error {
// have to use time.Now because the OAuth2 package uses it.
token.Expiry = time.Now().Add(time.Second * -10)
if token.Valid() {
return errors.New("token shouldn't be valid")
}
ident := connector.Identity{
UserID: "fooid",
Username: "******",
Email: "*****@*****.**",
EmailVerified: true,
Groups: []string{"foo", "bar"},
}
conn.Identity = ident
type claims struct {
Username string `json:"name"`
Email string `json:"email"`
EmailVerified bool `json:"email_verified"`
Groups []string `json:"groups"`
}
want := claims{ident.Username, ident.Email, ident.EmailVerified, ident.Groups}
newToken, err := config.TokenSource(ctx, token).Token()
if err != nil {
return fmt.Errorf("failed to refresh token: %v", err)
}
rawIDToken, ok := newToken.Extra("id_token").(string)
if !ok {
return fmt.Errorf("no id_token in refreshed token")
}
idToken, err := p.Verifier().Verify(ctx, rawIDToken)
if err != nil {
return fmt.Errorf("failed to verify id token: %v", err)
}
var got claims
if err := idToken.Claims(&got); err != nil {
return fmt.Errorf("failed to unmarshal claims: %v", err)
}
if diff := pretty.Compare(want, got); diff != "" {
return fmt.Errorf("got identity != want identity: %s", diff)
}
return nil
},
},
}
for _, tc := range tests {
func() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
httpServer, s := newTestServer(ctx, t, func(c *Config) {
c.Issuer = c.Issuer + "/non-root-path"
c.Now = now
c.IDTokensValidFor = idTokensValidFor
// Create a new mock callback connector for each test case.
conn = mock.NewCallbackConnector().(*mock.Callback)
c.Connectors = []Connector{
{
ID: "mock",
DisplayName: "mock",
Connector: conn,
},
}
})
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
gotCode bool
state = "a_state"
)
defer func() {
if !gotCode {
t.Errorf("never got a code in callback\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
}
if code := q.Get("code"); code != "" {
gotCode = true
token, err := oauth2Config.Exchange(ctx, code)
if err != nil {
t.Errorf("failed to exchange code for token: %v", err)
return
}
err = tc.handleToken(ctx, p, oauth2Config, token)
if err != nil {
t.Errorf("%s: %v", tc.name, err)
}
return
}
if gotState := q.Get("state"); gotState != state {
t.Errorf("state did not match, want=%q got=%q", state, gotState)
}
w.WriteHeader(http.StatusOK)
return
}
http.Redirect(w, r, oauth2Config.AuthCodeURL(state), http.StatusSeeOther)
}))
defer oauth2Server.Close()
redirectURL := oauth2Server.URL + "/callback"
client := storage.Client{
ID: clientID,
Secret: clientSecret,
RedirectURIs: []string{redirectURL},
}
if err := s.storage.CreateClient(client); err != nil {
t.Fatalf("failed to create client: %v", err)
}
oauth2Config = &oauth2.Config{
ClientID: client.ID,
ClientSecret: client.Secret,
Endpoint: p.Endpoint(),
Scopes: requestedScopes,
RedirectURL: redirectURL,
}
if len(tc.scopes) != 0 {
oauth2Config.Scopes = tc.scopes
}
resp, err := http.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)
}
}()
}
}