func getDriver() (drv driver) {
var err error
switch {
case len(global.dbURL) > 0:
drv, err = newDBDriver(global.dbURL)
case len(global.endpoint) > 0:
if len(global.creds.ID) == 0 || len(global.creds.Secret) == 0 {
err = errors.New("--client-id/--client-secret flags unset")
} else {
pcfg, err := oidc.FetchProviderConfig(http.DefaultClient, global.endpoint)
if err != nil {
stderr("Unable to fetch provider config: %v", err)
os.Exit(1)
}
drv, err = newAPIDriver(pcfg, global.creds)
}
default:
err = errors.New("--endpoint/--db-url flags unset")
}
if err != nil {
stderr("Unable to configure dexctl driver: %v", err)
os.Exit(1)
}
return
}
func (op *OIDCProvider) DiscoverConfig() (config *oidc.ProviderConfig, shouldSync bool, err error) {
// If discovery URI is explicitly defined, use it instead of the standard issuer-based discovery.
if op.DiscoveryURI != "" || op.DisableConfigValidation {
config, err = op.FetchCustomProviderConfig(op.DiscoveryURI)
shouldSync = false
} else {
var standardConfig oidc.ProviderConfig
maxRetryAttempts := 5
for i := 1; i <= maxRetryAttempts; i++ {
standardConfig, err = oidc.FetchProviderConfig(http.DefaultClient, op.Issuer)
if err == nil {
config = &standardConfig
shouldSync = true
break
}
base.LogTo("OIDC+", "Unable to fetch provider config from discovery endpoint for %s (attempt %v/%v): %v",
op.Issuer, i, maxRetryAttempts, err)
time.Sleep(500 * time.Millisecond)
}
}
return config, shouldSync, err
}
func (a *OIDCAuthenticator) client() (*oidc.Client, error) {
// Fast check to see if client has already been initialized.
if client := a.oidcClient.Load(); client != nil {
return client.(*oidc.Client), nil
}
// Acquire lock, then recheck initialization.
a.mu.Lock()
defer a.mu.Unlock()
if client := a.oidcClient.Load(); client != nil {
return client.(*oidc.Client), nil
}
// Try to initialize client.
providerConfig, err := oidc.FetchProviderConfig(a.httpClient, strings.TrimSuffix(a.issuerURL, "/"))
if err != nil {
glog.Errorf("oidc authenticator: failed to fetch provider discovery data: %v", err)
return nil, fmt.Errorf("fetch provider config: %v", err)
}
clientConfig := oidc.ClientConfig{
HTTPClient: a.httpClient,
Credentials: oidc.ClientCredentials{ID: a.trustedClientID},
ProviderConfig: providerConfig,
}
client, err := oidc.NewClient(clientConfig)
if err != nil {
glog.Errorf("oidc authenticator: failed to create client: %v", err)
return nil, fmt.Errorf("create client: %v", err)
}
// SyncProviderConfig will start a goroutine to periodically synchronize the provider config.
// The synchronization interval is set by the expiration length of the config, and has a mininum
// and maximum threshold.
stop := client.SyncProviderConfig(a.issuerURL)
a.oidcClient.Store(client)
a.close = func() {
// This assumes the stop is an unbuffered channel.
// So instead of closing the channel, we send am empty struct here.
// This guarantees that when this function returns, there is no flying requests,
// because a send to an unbuffered channel happens after the receive from the channel.
stop <- struct{}{}
}
return client, nil
}
func NewClient(clientID, clientSecret, discovery, redirectURL string, tlsConfig *tls.Config) (*Client, *ClientCredsTokenManager) {
cc := oidc.ClientCredentials{
ID: clientID,
Secret: clientSecret,
}
httpClient := &http.Client{Transport: &http.Transport{TLSClientConfig: tlsConfig}}
var cfg oidc.ProviderConfig
var err error
for {
cfg, err = oidc.FetchProviderConfig(httpClient, discovery)
if err == nil {
break
}
sleep := 3 * time.Second
log.Errorf("Failed fetching provider config, trying again in %v: %v", sleep, err)
time.Sleep(sleep)
}
log.Infof("Fetched provider config from %s", discovery)
ccfg := oidc.ClientConfig{
HTTPClient: httpClient,
ProviderConfig: cfg,
Credentials: cc,
RedirectURL: redirectURL,
}
client, err := NewOIDCClient(ccfg)
if err != nil {
log.Fatalf("Unable to create Client: %v", err)
}
client.SyncProviderConfig(discovery)
tm := NewClientCredsTokenManager(client, discovery)
tm.Run()
tm.WaitUntilInitialSync()
return client, tm
}
func NewOIDCClient(id, secret, discovery string) (*Client, error) {
var cfg oidc.ProviderConfig
var err error
for {
cfg, err = oidc.FetchProviderConfig(http.DefaultClient, discovery)
if err == nil {
break
}
sleep := 1 * time.Second
fmt.Printf("Failed fetching provider config, trying again in %v: %v\n", sleep, err)
time.Sleep(sleep)
}
c := Client{
providerConfig: newProviderConfigRepo(cfg),
httpClient: http.DefaultClient,
}
return &c, nil
}
func mockClient(srv *server.Server, ci client.Client) (*oidc.Client, error) {
hdlr := srv.HTTPHandler()
sClient := &phttp.HandlerClient{Handler: hdlr}
cfg, err := oidc.FetchProviderConfig(sClient, srv.IssuerURL.String())
if err != nil {
return nil, fmt.Errorf("failed to fetch provider config: %v", err)
}
jwks, err := srv.KeyManager.JWKs()
if err != nil {
return nil, fmt.Errorf("failed to generate JWKs: %v", err)
}
ks := key.NewPublicKeySet(jwks, time.Now().Add(1*time.Hour))
ccfg := oidc.ClientConfig{
HTTPClient: sClient,
ProviderConfig: cfg,
Credentials: ci.Credentials,
KeySet: *ks,
}
return oidc.NewClient(ccfg)
}
// New creates a new OpenID Connect client with the given issuerURL and clientID.
// NOTE(yifan): For now we assume the server provides the "jwks_uri" so we don't
// need to manager the key sets by ourselves.
func New(issuerURL, clientID, caFile, usernameClaim string) (*OIDCAuthenticator, error) {
var cfg oidc.ProviderConfig
var err error
var roots *x509.CertPool
url, err := url.Parse(issuerURL)
if err != nil {
return nil, err
}
if url.Scheme != "https" {
return nil, fmt.Errorf("'oidc-issuer-url' (%q) has invalid scheme (%q), require 'https'", issuerURL, url.Scheme)
}
if caFile != "" {
roots, err = util.CertPoolFromFile(caFile)
if err != nil {
glog.Errorf("Failed to read the CA file: %v", err)
}
}
if roots == nil {
glog.Info("No x509 certificates provided, will use host's root CA set")
}
// Copied from http.DefaultTransport.
tr := &http.Transport{
// According to golang's doc, if RootCAs is nil,
// TLS uses the host's root CA set.
TLSClientConfig: &tls.Config{RootCAs: roots},
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
TLSHandshakeTimeout: 10 * time.Second,
}
hc := &http.Client{}
hc.Transport = tr
for i := 0; i <= maxRetries; i++ {
if i == maxRetries {
return nil, fmt.Errorf("failed to fetch provider config after %v retries", maxRetries)
}
cfg, err = oidc.FetchProviderConfig(hc, issuerURL)
if err == nil {
break
}
glog.Errorf("Failed to fetch provider config, trying again in %v: %v", retryBackoff, err)
time.Sleep(retryBackoff)
}
glog.Infof("Fetched provider config from %s: %#v", issuerURL, cfg)
if cfg.KeysEndpoint == "" {
return nil, fmt.Errorf("OIDC provider must provide 'jwks_uri' for public key discovery")
}
ccfg := oidc.ClientConfig{
HTTPClient: hc,
Credentials: oidc.ClientCredentials{ID: clientID},
ProviderConfig: cfg,
}
client, err := oidc.NewClient(ccfg)
if err != nil {
return nil, err
}
// SyncProviderConfig will start a goroutine to periodically synchronize the provider config.
// The synchronization interval is set by the expiration length of the config, and has a mininum
// and maximum threshold.
client.SyncProviderConfig(issuerURL)
return &OIDCAuthenticator{ccfg, client, usernameClaim}, nil
}
func newOIDCAuthProvider(_ string, cfg map[string]string, persister rest.AuthProviderConfigPersister) (rest.AuthProvider, error) {
issuer := cfg[cfgIssuerUrl]
if issuer == "" {
return nil, fmt.Errorf("Must provide %s", cfgIssuerUrl)
}
clientID := cfg[cfgClientID]
if clientID == "" {
return nil, fmt.Errorf("Must provide %s", cfgClientID)
}
clientSecret := cfg[cfgClientSecret]
if clientSecret == "" {
return nil, fmt.Errorf("Must provide %s", cfgClientSecret)
}
var certAuthData []byte
var err error
if cfg[cfgCertificateAuthorityData] != "" {
certAuthData, err = base64.StdEncoding.DecodeString(cfg[cfgCertificateAuthorityData])
if err != nil {
return nil, err
}
}
clientConfig := rest.Config{
TLSClientConfig: rest.TLSClientConfig{
CAFile: cfg[cfgCertificateAuthority],
CAData: certAuthData,
},
}
trans, err := rest.TransportFor(&clientConfig)
if err != nil {
return nil, err
}
hc := &http.Client{Transport: trans}
providerCfg, err := oidc.FetchProviderConfig(hc, issuer)
if err != nil {
return nil, fmt.Errorf("error fetching provider config: %v", err)
}
scopes := strings.Split(cfg[cfgExtraScopes], ",")
oidcCfg := oidc.ClientConfig{
HTTPClient: hc,
Credentials: oidc.ClientCredentials{
ID: clientID,
Secret: clientSecret,
},
ProviderConfig: providerCfg,
Scope: append(scopes, oidc.DefaultScope...),
}
client, err := oidc.NewClient(oidcCfg)
if err != nil {
return nil, fmt.Errorf("error creating OIDC Client: %v", err)
}
oClient := &oidcClient{client}
var initialIDToken jose.JWT
if cfg[cfgIDToken] != "" {
initialIDToken, err = jose.ParseJWT(cfg[cfgIDToken])
if err != nil {
return nil, err
}
}
return &oidcAuthProvider{
initialIDToken: initialIDToken,
refresher: &idTokenRefresher{
client: oClient,
cfg: cfg,
persister: persister,
},
}, nil
}
func TestHTTPExchangeTokenRefreshToken(t *testing.T) {
password, err := user.NewPasswordFromPlaintext("woof")
if err != nil {
t.Fatalf("unexpectd error: %q", err)
}
passwordInfo := user.PasswordInfo{
UserID: "elroy77",
Password: password,
}
cfg := &connector.LocalConnectorConfig{
ID: "local",
}
validRedirURL := url.URL{
Scheme: "http",
Host: "client.example.com",
Path: "/callback",
}
ci := client.Client{
Credentials: oidc.ClientCredentials{
ID: validRedirURL.Host,
Secret: base64.URLEncoding.EncodeToString([]byte("secret")),
},
Metadata: oidc.ClientMetadata{
RedirectURIs: []url.URL{
validRedirURL,
},
},
}
dbMap := db.NewMemDB()
clientRepo, clientManager, err := makeClientRepoAndManager(dbMap,
[]client.LoadableClient{{
Client: ci,
}})
if err != nil {
t.Fatalf("Failed to create client identity manager: " + err.Error())
}
passwordInfoRepo, err := db.NewPasswordInfoRepoFromPasswordInfos(db.NewMemDB(), []user.PasswordInfo{passwordInfo})
if err != nil {
t.Fatalf("Failed to create password info repo: %v", err)
}
issuerURL := url.URL{Scheme: "http", Host: "server.example.com"}
sm := manager.NewSessionManager(db.NewSessionRepo(dbMap), db.NewSessionKeyRepo(dbMap))
k, err := key.GeneratePrivateKey()
if err != nil {
t.Fatalf("Unable to generate RSA key: %v", err)
}
km := key.NewPrivateKeyManager()
err = km.Set(key.NewPrivateKeySet([]*key.PrivateKey{k}, time.Now().Add(time.Minute)))
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
usr := user.User{
ID: "ID-test",
Email: "*****@*****.**",
DisplayName: "displayname",
}
userRepo := db.NewUserRepo(db.NewMemDB())
if err := userRepo.Create(nil, usr); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
refreshTokenRepo := refreshtest.NewTestRefreshTokenRepo()
srv := &server.Server{
IssuerURL: issuerURL,
KeyManager: km,
SessionManager: sm,
ClientRepo: clientRepo,
ClientManager: clientManager,
Templates: template.New(connector.LoginPageTemplateName),
Connectors: []connector.Connector{},
UserRepo: userRepo,
PasswordInfoRepo: passwordInfoRepo,
RefreshTokenRepo: refreshTokenRepo,
}
if err = srv.AddConnector(cfg); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
sClient := &phttp.HandlerClient{Handler: srv.HTTPHandler()}
pcfg, err := oidc.FetchProviderConfig(sClient, issuerURL.String())
if err != nil {
t.Fatalf("Failed to fetch provider config: %v", err)
}
ks := key.NewPublicKeySet([]jose.JWK{k.JWK()}, time.Now().Add(1*time.Hour))
ccfg := oidc.ClientConfig{
HTTPClient: sClient,
ProviderConfig: pcfg,
Credentials: ci.Credentials,
RedirectURL: validRedirURL.String(),
KeySet: *ks,
}
cl, err := oidc.NewClient(ccfg)
if err != nil {
t.Fatalf("Failed creating oidc.Client: %v", err)
}
m := http.NewServeMux()
var claims jose.Claims
var refresh string
m.HandleFunc("/callback", handleCallbackFunc(cl, &claims, &refresh))
cClient := &phttp.HandlerClient{Handler: m}
// this will actually happen due to some interaction between the
// end-user and a remote identity provider
sessionID, err := sm.NewSession("bogus_idpc", ci.Credentials.ID, "bogus", url.URL{}, "", false, []string{"openid", "offline_access", "email", "profile"})
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
if _, err = sm.AttachRemoteIdentity(sessionID, passwordInfo.Identity()); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
if _, err = sm.AttachUser(sessionID, usr.ID); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
key, err := sm.NewSessionKey(sessionID)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
req, err := http.NewRequest("GET", fmt.Sprintf("http://client.example.com/callback?code=%s", key), nil)
if err != nil {
t.Fatalf("Failed creating HTTP request: %v", err)
}
resp, err := cClient.Do(req)
if err != nil {
t.Fatalf("Failed resolving HTTP requests against /callback: %v", err)
}
if err := verifyUserClaims(claims, &ci, &usr, issuerURL); err != nil {
t.Fatalf("Failed to verify claims: %v", err)
}
if resp.StatusCode != http.StatusOK {
t.Fatalf("Received status code %d, want %d", resp.StatusCode, http.StatusOK)
}
if refresh == "" {
t.Fatalf("No refresh token")
}
// Use refresh token to get a new ID token.
token, err := cl.RefreshToken(refresh)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
claims, err = token.Claims()
if err != nil {
t.Fatalf("Failed parsing claims from client token: %v", err)
}
if err := verifyUserClaims(claims, &ci, &usr, issuerURL); err != nil {
t.Fatalf("Failed to verify claims: %v", err)
}
}
func main() {
fs := flag.NewFlagSet("oidc-app", flag.ExitOnError)
listen := fs.String("listen", "http://127.0.0.1:5555", "")
redirectURL := fs.String("redirect-url", "http://127.0.0.1:5555/callback", "")
clientID := fs.String("client-id", "", "")
clientSecret := fs.String("client-secret", "", "")
caFile := fs.String("trusted-ca-file", "", "the TLS CA file, if empty then the host's root CA will be used")
discovery := fs.String("discovery", "https://accounts.google.com", "")
logDebug := fs.Bool("log-debug", false, "log debug-level information")
logTimestamps := fs.Bool("log-timestamps", false, "prefix log lines with timestamps")
if err := fs.Parse(os.Args[1:]); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if err := pflag.SetFlagsFromEnv(fs, "EXAMPLE_APP"); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if *logDebug {
log.EnableDebug()
}
if *logTimestamps {
log.EnableTimestamps()
}
if *clientID == "" {
log.Fatal("--client-id must be set")
}
if *clientSecret == "" {
log.Fatal("--client-secret must be set")
}
l, err := url.Parse(*listen)
if err != nil {
log.Fatalf("Unable to use --listen flag: %v", err)
}
_, p, err := net.SplitHostPort(l.Host)
if err != nil {
log.Fatalf("Unable to parse host from --listen flag: %v", err)
}
cc := oidc.ClientCredentials{
ID: *clientID,
Secret: *clientSecret,
}
var tlsConfig tls.Config
if *caFile != "" {
roots := x509.NewCertPool()
pemBlock, err := ioutil.ReadFile(*caFile)
if err != nil {
log.Fatalf("Unable to read ca file: %v", err)
}
roots.AppendCertsFromPEM(pemBlock)
tlsConfig.RootCAs = roots
}
httpClient := &http.Client{Transport: &http.Transport{TLSClientConfig: &tlsConfig}}
var cfg oidc.ProviderConfig
for {
cfg, err = oidc.FetchProviderConfig(httpClient, *discovery)
if err == nil {
break
}
sleep := 3 * time.Second
log.Errorf("Failed fetching provider config, trying again in %v: %v", sleep, err)
time.Sleep(sleep)
}
log.Infof("Fetched provider config from %s: %#v", *discovery, cfg)
ccfg := oidc.ClientConfig{
HTTPClient: httpClient,
ProviderConfig: cfg,
Credentials: cc,
RedirectURL: *redirectURL,
}
client, err := oidc.NewClient(ccfg)
if err != nil {
log.Fatalf("Unable to create Client: %v", err)
}
client.SyncProviderConfig(*discovery)
redirectURLParsed, err := url.Parse(*redirectURL)
if err != nil {
log.Fatalf("Unable to parse url from --redirect-url flag: %v", err)
}
hdlr := NewClientHandler(client, *discovery, *redirectURLParsed)
httpsrv := &http.Server{
Addr: fmt.Sprintf(":%s", p),
Handler: hdlr,
}
log.Infof("Binding to %s...", httpsrv.Addr)
log.Fatal(httpsrv.ListenAndServe())
}
func main() {
fs := flag.NewFlagSet("oidc-example-cli", flag.ExitOnError)
clientID := fs.String("client-id", "", "")
clientSecret := fs.String("client-secret", "", "")
discovery := fs.String("discovery", "https://accounts.google.com", "")
if err := fs.Parse(os.Args[1:]); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if *clientID == "" {
fmt.Println("--client-id must be set")
os.Exit(2)
}
if *clientSecret == "" {
fmt.Println("--client-secret must be set")
os.Exit(2)
}
cc := oidc.ClientCredentials{
ID: *clientID,
Secret: *clientSecret,
}
fmt.Printf("fetching provider config from %s...", *discovery)
// NOTE: A real CLI would cache this config, or provide it via flags/config file.
var cfg oidc.ProviderConfig
var err error
for {
cfg, err = oidc.FetchProviderConfig(http.DefaultClient, *discovery)
if err == nil {
break
}
sleep := 1 * time.Second
fmt.Printf("failed fetching provider config, trying again in %v: %v\n", sleep, err)
time.Sleep(sleep)
}
fmt.Printf("fetched provider config from %s: %#v\n\n", *discovery, cfg)
ccfg := oidc.ClientConfig{
ProviderConfig: cfg,
Credentials: cc,
}
client, err := oidc.NewClient(ccfg)
if err != nil {
fmt.Printf("unable to create Client: %v\n", err)
os.Exit(1)
}
tok, err := client.ClientCredsToken([]string{"openid"})
if err != nil {
fmt.Printf("unable to verify auth code with issuer: %v\n", err)
os.Exit(1)
}
fmt.Printf("got jwt: %v\n\n", tok.Encode())
claims, err := tok.Claims()
if err != nil {
fmt.Printf("unable to construct claims: %v\n", err)
os.Exit(1)
}
fmt.Printf("got claims %#v...\n", claims)
}
func main() {
fs := flag.NewFlagSet("example-cli", flag.ExitOnError)
clientID := fs.String("client-id", "", "")
clientSecret := fs.String("client-secret", "", "")
discovery := fs.String("discovery", "http://localhost:5556", "")
logDebug := fs.Bool("log-debug", false, "log debug-level information")
logTimestamps := fs.Bool("log-timestamps", false, "prefix log lines with timestamps")
if err := fs.Parse(os.Args[1:]); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if err := pflag.SetFlagsFromEnv(fs, "EXAMPLE_CLI"); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if *logDebug {
log.EnableDebug()
}
if *logTimestamps {
log.EnableTimestamps()
}
if *clientID == "" {
fmt.Println("--client-id must be set")
os.Exit(2)
}
if *clientSecret == "" {
fmt.Println("--client-secret must be set")
os.Exit(2)
}
cc := oidc.ClientCredentials{
ID: *clientID,
Secret: *clientSecret,
}
// NOTE: A real CLI would cache this config, or provide it via flags/config file.
var cfg oidc.ProviderConfig
var err error
for {
cfg, err = oidc.FetchProviderConfig(http.DefaultClient, *discovery)
if err == nil {
break
}
sleep := 1 * time.Second
fmt.Printf("Failed fetching provider config, trying again in %v: %v\n", sleep, err)
time.Sleep(sleep)
}
fmt.Printf("Fetched provider config from %s: %#v\n\n", *discovery, cfg)
ccfg := oidc.ClientConfig{
ProviderConfig: cfg,
Credentials: cc,
}
client, err := oidc.NewClient(ccfg)
if err != nil {
log.Fatalf("Unable to create Client: %v", err)
}
tok, err := client.ClientCredsToken([]string{"openid"})
if err != nil {
fmt.Printf("unable to verify auth code with issuer: %v\n", err)
os.Exit(1)
}
fmt.Printf("got jwt: %v\n\n", tok.Encode())
claims, err := tok.Claims()
if err != nil {
fmt.Printf("unable to construct claims: %v\n", err)
os.Exit(1)
}
fmt.Printf("got claims %#v...\n", claims)
}
func main() {
log.SetOutput(os.Stderr)
fs := flag.NewFlagSet("oidc-example-app", flag.ExitOnError)
listen := fs.String("listen", defaultListenHost, "serve traffic on this address (<host>:<port>)")
redirectURL := fs.String("redirect-url", fmt.Sprintf("http://%s%s", defaultListenHost, pathCallback), "")
clientID := fs.String("client-id", "", "")
clientSecret := fs.String("client-secret", "", "")
discovery := fs.String("discovery", "https://accounts.google.com", "")
if err := fs.Parse(os.Args[1:]); err != nil {
log.Fatalf("failed parsing flags: %v", err)
}
if *clientID == "" {
log.Fatal("--client-id must be set")
}
if *clientSecret == "" {
log.Fatal("--client-secret must be set")
}
_, _, err := net.SplitHostPort(*listen)
if err != nil {
log.Fatalf("unable to parse host:port from --listen flag: %v", err)
}
cc := oidc.ClientCredentials{
ID: *clientID,
Secret: *clientSecret,
}
log.Printf("fetching provider config from %s...", *discovery)
var cfg oidc.ProviderConfig
for {
cfg, err = oidc.FetchProviderConfig(http.DefaultClient, *discovery)
if err == nil {
break
}
sleep := 3 * time.Second
log.Printf("failed fetching provider config, trying again in %v: %v", sleep, err)
time.Sleep(sleep)
}
log.Printf("fetched provider config from %s: %#v", *discovery, cfg)
ccfg := oidc.ClientConfig{
ProviderConfig: cfg,
Credentials: cc,
RedirectURL: *redirectURL,
}
client, err := oidc.NewClient(ccfg)
if err != nil {
log.Fatalf("unable to create Client: %v", err)
}
client.SyncProviderConfig(*discovery)
redirectURLParsed, err := url.Parse(*redirectURL)
if err != nil {
log.Fatalf("unable to parse url from --redirect-url flag: %v", err)
}
hdlr := NewClientHandler(client, *redirectURLParsed)
httpsrv := &http.Server{
Addr: fmt.Sprintf(*listen),
Handler: hdlr,
}
log.Printf("binding to %s...", httpsrv.Addr)
log.Fatal(httpsrv.ListenAndServe())
}
// New creates a new OpenID Connect client with the given issuerURL and clientID.
// NOTE(yifan): For now we assume the server provides the "jwks_uri" so we don't
// need to manager the key sets by ourselves.
func New(opts OIDCOptions) (*OIDCAuthenticator, error) {
var cfg oidc.ProviderConfig
var err error
var roots *x509.CertPool
url, err := url.Parse(opts.IssuerURL)
if err != nil {
return nil, err
}
if url.Scheme != "https" {
return nil, fmt.Errorf("'oidc-issuer-url' (%q) has invalid scheme (%q), require 'https'", opts.IssuerURL, url.Scheme)
}
if opts.CAFile != "" {
roots, err = crypto.CertPoolFromFile(opts.CAFile)
if err != nil {
glog.Errorf("Failed to read the CA file: %v", err)
}
}
if roots == nil {
glog.Info("No x509 certificates provided, will use host's root CA set")
}
// Copied from http.DefaultTransport.
tr := net.SetTransportDefaults(&http.Transport{
// According to golang's doc, if RootCAs is nil,
// TLS uses the host's root CA set.
TLSClientConfig: &tls.Config{RootCAs: roots},
})
hc := &http.Client{}
hc.Transport = tr
maxRetries := opts.MaxRetries
if maxRetries < 0 {
maxRetries = DefaultRetries
}
retryBackoff := opts.RetryBackoff
if retryBackoff < 0 {
retryBackoff = DefaultBackoff
}
for i := 0; i <= maxRetries; i++ {
if i == maxRetries {
return nil, fmt.Errorf("failed to fetch provider config after %v retries", maxRetries)
}
cfg, err = oidc.FetchProviderConfig(hc, strings.TrimSuffix(opts.IssuerURL, "/"))
if err == nil {
break
}
glog.Errorf("Failed to fetch provider config, trying again in %v: %v", retryBackoff, err)
time.Sleep(retryBackoff)
}
glog.Infof("Fetched provider config from %s: %#v", opts.IssuerURL, cfg)
ccfg := oidc.ClientConfig{
HTTPClient: hc,
Credentials: oidc.ClientCredentials{ID: opts.ClientID},
ProviderConfig: cfg,
}
client, err := oidc.NewClient(ccfg)
if err != nil {
return nil, err
}
// SyncProviderConfig will start a goroutine to periodically synchronize the provider config.
// The synchronization interval is set by the expiration length of the config, and has a mininum
// and maximum threshold.
stop := client.SyncProviderConfig(opts.IssuerURL)
return &OIDCAuthenticator{
ccfg,
client,
opts.UsernameClaim,
opts.GroupsClaim,
stop,
maxRetries,
retryBackoff,
}, nil
}
func NewOIDCProvider(p *ProviderData) *OIDCProvider {
var err error
p.ProviderName = "OpenID Connect"
cc := oidc.ClientCredentials{
ID: p.ClientID,
Secret: p.ClientSecret,
}
var tlsConfig tls.Config
// TODO: do handling of custom certs
httpClient := &http.Client{Transport: &http.Transport{TLSClientConfig: &tlsConfig}}
var cfg oidc.ProviderConfig
for {
cfg, err = oidc.FetchProviderConfig(httpClient, p.DiscoveryURL.String())
if err == nil {
break
}
sleep := 3 * time.Second
log.Printf("Failed fetching provider config, trying again in %v: %v", sleep, err)
time.Sleep(sleep)
}
u, err := url.Parse(cfg.TokenEndpoint)
if err != nil {
panic(err)
}
p.ValidateURL = u
u, err = url.Parse(cfg.AuthEndpoint)
if err != nil {
panic(err)
}
p.RedeemURL = u
p.Scope = "email"
ccfg := oidc.ClientConfig{
HTTPClient: httpClient,
ProviderConfig: cfg,
Credentials: cc,
}
client, err := oidc.NewClient(ccfg)
if err != nil {
log.Fatalf("Unable to create Client: %v", err)
}
client.SyncProviderConfig(p.DiscoveryURL.String())
oac, err := client.OAuthClient()
if err != nil {
panic("unable to proceed")
}
login, err := url.Parse(oac.AuthCodeURL("", "", ""))
if err != nil {
panic("unable to proceed")
}
p.LoginURL = login
return &OIDCProvider{
ProviderData: p,
clientConfig: ccfg,
}
}
func newOIDCAuthProvider(_ string, cfg map[string]string, persister restclient.AuthProviderConfigPersister) (restclient.AuthProvider, error) {
issuer := cfg[cfgIssuerUrl]
if issuer == "" {
return nil, fmt.Errorf("Must provide %s", cfgIssuerUrl)
}
clientID := cfg[cfgClientID]
if clientID == "" {
return nil, fmt.Errorf("Must provide %s", cfgClientID)
}
clientSecret := cfg[cfgClientSecret]
if clientSecret == "" {
return nil, fmt.Errorf("Must provide %s", cfgClientSecret)
}
// Check cache for existing provider.
if provider, ok := cache.getClient(issuer, clientID, clientSecret); ok {
return provider, nil
}
var certAuthData []byte
var err error
if cfg[cfgCertificateAuthorityData] != "" {
certAuthData, err = base64.StdEncoding.DecodeString(cfg[cfgCertificateAuthorityData])
if err != nil {
return nil, err
}
}
clientConfig := restclient.Config{
TLSClientConfig: restclient.TLSClientConfig{
CAFile: cfg[cfgCertificateAuthority],
CAData: certAuthData,
},
}
trans, err := restclient.TransportFor(&clientConfig)
if err != nil {
return nil, err
}
hc := &http.Client{Transport: trans}
providerCfg, err := oidc.FetchProviderConfig(hc, issuer)
if err != nil {
return nil, fmt.Errorf("error fetching provider config: %v", err)
}
scopes := strings.Split(cfg[cfgExtraScopes], ",")
oidcCfg := oidc.ClientConfig{
HTTPClient: hc,
Credentials: oidc.ClientCredentials{
ID: clientID,
Secret: clientSecret,
},
ProviderConfig: providerCfg,
Scope: append(scopes, oidc.DefaultScope...),
}
client, err := oidc.NewClient(oidcCfg)
if err != nil {
return nil, fmt.Errorf("error creating OIDC Client: %v", err)
}
provider := &oidcAuthProvider{
client: &oidcClient{client},
cfg: cfg,
persister: persister,
now: time.Now,
}
return cache.setClient(issuer, clientID, clientSecret, provider), nil
}
func main() {
fs := flag.NewFlagSet("oidc-app", flag.ExitOnError)
listen := fs.String("listen", "http://127.0.0.1:5555", "")
redirectURL := fs.String("redirect-url", "http://127.0.0.1:5555/callback", "")
clientID := fs.String("client-id", "example-app", "")
clientSecret := fs.String("client-secret", "ZXhhbXBsZS1hcHAtc2VjcmV0", "")
caFile := fs.String("trusted-ca-file", "", "the TLS CA file, if empty then the host's root CA will be used")
certFile := fs.String("tls-cert-file", "", "the TLS cert file. If empty, the app will listen on HTTP")
keyFile := fs.String("tls-key-file", "", "the TLS key file. If empty, the app will listen on HTTP")
discovery := fs.String("discovery", "http://127.0.0.1:5556", "")
logDebug := fs.Bool("log-debug", false, "log debug-level information")
logTimestamps := fs.Bool("log-timestamps", false, "prefix log lines with timestamps")
if err := fs.Parse(os.Args[1:]); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if err := pflag.SetFlagsFromEnv(fs, "EXAMPLE_APP"); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
if *logDebug {
log.EnableDebug()
}
if *logTimestamps {
log.EnableTimestamps()
}
if *clientID == "" {
log.Fatal("--client-id must be set")
}
if *clientSecret == "" {
log.Fatal("--client-secret must be set")
}
l, err := url.Parse(*listen)
if err != nil {
log.Fatalf("Unable to use --listen flag: %v", err)
}
_, p, err := net.SplitHostPort(l.Host)
if err != nil {
log.Fatalf("Unable to parse host from --listen flag: %v", err)
}
redirectURLParsed, err := url.Parse(*redirectURL)
if err != nil {
log.Fatalf("Unable to parse url from --redirect-url flag: %v", err)
}
useTLS := *keyFile != "" && *certFile != ""
if useTLS && (redirectURLParsed.Scheme != "https" || l.Scheme != "https") {
log.Fatalf(`TLS Cert File and Key File were provided. Ensure listen and redirect URLs are using the "https://" scheme.`)
}
cc := oidc.ClientCredentials{
ID: *clientID,
Secret: *clientSecret,
}
var tlsConfig tls.Config
if *caFile != "" {
roots := x509.NewCertPool()
pemBlock, err := ioutil.ReadFile(*caFile)
if err != nil {
log.Fatalf("Unable to read ca file: %v", err)
}
roots.AppendCertsFromPEM(pemBlock)
tlsConfig.RootCAs = roots
}
httpClient := &http.Client{Transport: &http.Transport{TLSClientConfig: &tlsConfig}}
var cfg oidc.ProviderConfig
for {
cfg, err = oidc.FetchProviderConfig(httpClient, *discovery)
if err == nil {
break
}
sleep := 3 * time.Second
log.Errorf("Failed fetching provider config, trying again in %v: %v", sleep, err)
time.Sleep(sleep)
}
log.Infof("Fetched provider config from %s: %#v", *discovery, cfg)
ccfg := oidc.ClientConfig{
HTTPClient: httpClient,
ProviderConfig: cfg,
Credentials: cc,
RedirectURL: *redirectURL,
Scope: append(oidc.DefaultScope, "offline_access"),
}
client, err := oidc.NewClient(ccfg)
if err != nil {
log.Fatalf("Unable to create Client: %v", err)
}
client.SyncProviderConfig(*discovery)
hdlr := NewClientHandler(client, *discovery, *redirectURLParsed)
httpsrv := &http.Server{
Addr: fmt.Sprintf(":%s", p),
Handler: hdlr,
}
indexBytes, err := Asset("data/index.html")
if err != nil {
log.Fatalf("could not load template: %q", err)
}
indexTemplate = template.Must(template.New("root").Parse(string(indexBytes)))
log.Infof("Binding to %s...", httpsrv.Addr)
if useTLS {
log.Info("Key and cert file provided. Using TLS")
log.Fatal(httpsrv.ListenAndServeTLS(*certFile, *keyFile))
} else {
log.Fatal(httpsrv.ListenAndServe())
}
}
func connectClient(connect2registry, connect2catalog, connect2api bool) {
discovery := os.Getenv("DEX_WORKER_ISSUER")
cfg, err := oidc.FetchProviderConfig(http.DefaultClient, discovery)
if err != nil {
logrus.Fatalln("Unable to fetch provider configs")
}
ccfg := oidc.ClientConfig{
ProviderConfig: cfg,
Credentials: cc,
}
//logrus.Printf("ccfg.Credentials: %+v",ccfg.Credentials)
//logrus.Printf("ccfg.ProviderConfig: %+v",ccfg.ProviderConfig)
myclient, err := oidc.NewClient(ccfg)
if err != nil {
logrus.Fatalf("Unable to create Client: %v", err)
}
tok, err := myclient.ClientCredsToken([]string{"openid"})
if err != nil {
logrus.Printf("Token: %+v ", tok)
logrus.Errorf("Error: %+v", err)
logrus.Fatalf("Unable to get token")
}
jwtCreds := NewOauthAccess(tok.Encode())
//logrus.Println("got the jwtCreds")
claims, err := tok.Claims()
clientsub, _, _ = claims.StringClaim("sub")
//logrus.Println("Get the clientsub", clientsub)
if err != nil {
logrus.Fatalln("unable to get getClientIdAndEmail", err)
}
if len(cafile) > 0 {
auth, err := credentials.NewClientTLSFromFile(cafile, "")
if err != nil {
panic(err)
} else {
opts = append(opts, grpc.WithTransportCredentials(auth))
}
} else {
jwtCreds.RequireTLS = false
opts = append(opts, grpc.WithInsecure())
}
opts = append(opts, grpc.WithPerRPCCredentials(&jwtCreds))
if connect2api {
apiUrl = os.Getenv("OTSIMO_SERVICES_API_URL")
if apiUrl == "" {
panic("OTSIMO_SERVICES_API_URL must set")
}
apiConn, _ := grpc.Dial(apiUrl, opts...)
apiClient = apipb.NewApiServiceClient(apiConn)
/*
if err != nil {
logrus.Println(" cannot dial ")
logrus.Println(err)
} else {
logrus.Println(" dialed ")
}
if apiClient == nil {
logrus.Println(" apiClient error ")
} else {
logrus.Println(" apiClient ")
}
*/
}
//------------------------------------------------------------------------------------------------------------------
if connect2registry {
registryUrl = os.Getenv("OTSIMOCTL_REGISTRY")
if registryUrl == "" {
panic("OTSIMOCTL_REGISTRY must set")
}
regConn, _ := grpc.Dial(registryUrl, opts...)
registryClient = apipb.NewRegistryServiceClient(regConn)
/*
if err != nil {
logrus.Println(" cannot dial ")
logrus.Println(err)
} else {
logrus.Println(" dialed ")
}
if registryClient == nil {
logrus.Println(" catalogClt error ")
} else {
logrus.Println(" catalogClient ")
}
*/
}
//------------------------------------------------------------------------------------------------------------------
if connect2catalog {
catalogUrl = os.Getenv("OTSIMOCTL_CATALOG")
if catalogUrl == "" {
panic("OTSIMOCTL_CATALOG must set")
}
catConn, _ := grpc.Dial(catalogUrl, opts...)
catalogClient = apipb.NewCatalogServiceClient(catConn)
/*
if err != nil {
logrus.Println(" cannot dial ")
logrus.Println(err)
} else {
logrus.Println(" dialed ")
}
if catalogClient == nil {
logrus.Println(" catalogClt error ")
} else {
logrus.Println(" catalogClient ")
}
*/
}
}