Golang AuthenticationRedirectors.Add方法代碼示例

func (c *AuthConfig) getAuthenticationHandler(mux cmdutil.Mux, errorHandler handlers.AuthenticationErrorHandler) (handlers.AuthenticationHandler, error) {
	// TODO: make this ordered once we can have more than one
	challengers := map[string]handlers.AuthenticationChallenger{}

	redirectors := new(handlers.AuthenticationRedirectors)

	// Determine if we have more than one password-based Identity Provider
	multiplePasswordProviders := false
	passwordProviderCount := 0
	for _, identityProvider := range c.Options.IdentityProviders {
		if configapi.IsPasswordAuthenticator(identityProvider) && identityProvider.UseAsLogin {
			passwordProviderCount++
			if passwordProviderCount > 1 {
				multiplePasswordProviders = true
				break
			}
		}
	}

	for _, identityProvider := range c.Options.IdentityProviders {
		identityMapper, err := identitymapper.NewIdentityUserMapper(c.IdentityRegistry, c.UserRegistry, identitymapper.MappingMethodType(identityProvider.MappingMethod))
		if err != nil {
			return nil, err
		}

		// TODO: refactor handler building per type
		if configapi.IsPasswordAuthenticator(identityProvider) {
			passwordAuth, err := c.getPasswordAuthenticator(identityProvider)
			if err != nil {
				return nil, err
			}

			if identityProvider.UseAsLogin {
				// Password auth requires:
				// 1. a session success handler (to remember you logged in)
				// 2. a redirectSuccessHandler (to go back to the "then" param)
				if c.SessionAuth == nil {
					return nil, errors.New("SessionAuth is required for password-based login")
				}
				passwordSuccessHandler := handlers.AuthenticationSuccessHandlers{c.SessionAuth, redirectSuccessHandler{}}

				var (
					// loginPath is unescaped, the way the mux will see it once URL-decoding is done
					loginPath = openShiftLoginPrefix
					// redirectLoginPath is escaped, the way we would need to send a Location redirect to a client
					redirectLoginPath = openShiftLoginPrefix
				)

				if multiplePasswordProviders {
					// If there is more than one Identity Provider acting as a login
					// provider, we need to give each of them their own login path,
					// to avoid ambiguity.
					loginPath = path.Join(openShiftLoginPrefix, identityProvider.Name)
					// url-encode the provider name for redirecting
					redirectLoginPath = path.Join(openShiftLoginPrefix, (&url.URL{Path: identityProvider.Name}).String())
				}

				// Since we're redirecting to a local login page, we don't need to force absolute URL resolution
				redirectors.Add(identityProvider.Name, redirector.NewRedirector(nil, redirectLoginPath+"?then=${url}"))

				var loginTemplateFile string
				if c.Options.Templates != nil {
					loginTemplateFile = c.Options.Templates.Login
				}
				loginFormRenderer, err := login.NewLoginFormRenderer(loginTemplateFile)
				if err != nil {
					return nil, err
				}

				login := login.NewLogin(identityProvider.Name, c.getCSRF(), &callbackPasswordAuthenticator{passwordAuth, passwordSuccessHandler}, loginFormRenderer)
				login.Install(mux, loginPath)
			}
			if identityProvider.UseAsChallenger {
				// For now, all password challenges share a single basic challenger, since they'll all respond to any basic credentials
				challengers["basic-challenge"] = passwordchallenger.NewBasicAuthChallenger("openshift")
			}
		} else if configapi.IsOAuthIdentityProvider(identityProvider) {
			oauthProvider, err := c.getOAuthProvider(identityProvider)
			if err != nil {
				return nil, err
			}

			// Default state builder, combining CSRF and return URL handling
			state := external.CSRFRedirectingState(c.getCSRF())

			// OAuth auth requires
			// 1. a session success handler (to remember you logged in)
			// 2. a state success handler (to go back to the URL encoded in the state)
			if c.SessionAuth == nil {
				return nil, errors.New("SessionAuth is required for OAuth-based login")
			}
			oauthSuccessHandler := handlers.AuthenticationSuccessHandlers{c.SessionAuth, state}

			// If the specified errorHandler doesn't handle the login error, let the state error handler attempt to propagate specific errors back to the token requester
			oauthErrorHandler := handlers.AuthenticationErrorHandlers{errorHandler, state}

			callbackPath := path.Join(OpenShiftOAuthCallbackPrefix, identityProvider.Name)
			oauthRedirector, oauthHandler, err := external.NewExternalOAuthRedirector(oauthProvider, state, c.Options.MasterPublicURL+callbackPath, oauthSuccessHandler, oauthErrorHandler, identityMapper)
			if err != nil {
				return nil, fmt.Errorf("unexpected error: %v", err)
//.........這裏部分代碼省略.........

func TestHandler(t *testing.T) {
	redirectors := new(handlers.AuthenticationRedirectors)
	redirectors.Add("handler", &Handler{})
	_ = handlers.NewUnionAuthenticationHandler(nil, redirectors, nil, nil)
}