func (c *AuthConfig) getAuthenticationRequestHandler() (authenticator.Request, error) {
var authRequestHandlers []authenticator.Request
if c.SessionAuth != nil {
authRequestHandlers = append(authRequestHandlers, c.SessionAuth)
}
for _, identityProvider := range c.Options.IdentityProviders {
identityMapper := identitymapper.NewAlwaysCreateUserIdentityToUserMapper(c.IdentityRegistry, c.UserRegistry)
if configapi.IsPasswordAuthenticator(identityProvider) {
passwordAuthenticator, err := c.getPasswordAuthenticator(identityProvider)
if err != nil {
return nil, err
}
authRequestHandlers = append(authRequestHandlers, basicauthrequest.NewBasicAuthAuthentication(passwordAuthenticator, true))
} else {
switch provider := identityProvider.Provider.Object.(type) {
case (*configapi.RequestHeaderIdentityProvider):
var authRequestHandler authenticator.Request
authRequestConfig := &headerrequest.Config{
UserNameHeaders: provider.Headers,
}
authRequestHandler = headerrequest.NewAuthenticator(identityProvider.Name, authRequestConfig, identityMapper)
// Wrap with an x509 verifier
if len(provider.ClientCA) > 0 {
caData, err := ioutil.ReadFile(provider.ClientCA)
if err != nil {
return nil, fmt.Errorf("Error reading %s: %v", provider.ClientCA, err)
}
opts := x509request.DefaultVerifyOptions()
opts.Roots = x509.NewCertPool()
if ok := opts.Roots.AppendCertsFromPEM(caData); !ok {
return nil, fmt.Errorf("Error loading certs from %s: %v", provider.ClientCA, err)
}
authRequestHandler = x509request.NewVerifier(opts, authRequestHandler)
}
authRequestHandlers = append(authRequestHandlers, authRequestHandler)
}
}
}
authRequestHandler := unionrequest.NewUnionAuthentication(authRequestHandlers...)
return authRequestHandler, nil
}
func ValidateOAuthConfig(config *api.OAuthConfig) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(config.MasterURL) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("masterURL"))
}
if _, urlErrs := ValidateURL(config.MasterPublicURL, "masterPublicURL"); len(urlErrs) > 0 {
allErrs = append(allErrs, urlErrs...)
}
if len(config.AssetPublicURL) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("assetPublicURL"))
}
if config.SessionConfig != nil {
allErrs = append(allErrs, ValidateSessionConfig(config.SessionConfig).Prefix("sessionConfig")...)
}
allErrs = append(allErrs, ValidateGrantConfig(config.GrantConfig).Prefix("grantConfig")...)
providerNames := util.NewStringSet()
redirectingIdentityProviders := []string{}
for i, identityProvider := range config.IdentityProviders {
if identityProvider.UseAsLogin {
redirectingIdentityProviders = append(redirectingIdentityProviders, identityProvider.Name)
if api.IsPasswordAuthenticator(identityProvider) {
if config.SessionConfig == nil {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("sessionConfig", config, "sessionConfig is required if a password identity provider is used for browser based login"))
}
}
}
allErrs = append(allErrs, ValidateIdentityProvider(identityProvider).Prefix(fmt.Sprintf("identityProvider[%d]", i))...)
if len(identityProvider.Name) > 0 {
if providerNames.Has(identityProvider.Name) {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(fmt.Sprintf("identityProvider[%d].name", i), identityProvider.Name, "must have a unique name"))
}
providerNames.Insert(identityProvider.Name)
}
}
if len(redirectingIdentityProviders) > 1 {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("identityProviders", config.IdentityProviders, fmt.Sprintf("only one identity provider can support login for a browser, found: %v", redirectingIdentityProviders)))
}
return allErrs
}
func (c *AuthConfig) getAuthenticationHandler(mux cmdutil.Mux, errorHandler handlers.AuthenticationErrorHandler) (handlers.AuthenticationHandler, error) {
challengers := map[string]handlers.AuthenticationChallenger{}
redirectors := map[string]handlers.AuthenticationRedirector{}
for _, identityProvider := range c.Options.IdentityProviders {
identityMapper := identitymapper.NewAlwaysCreateUserIdentityToUserMapper(c.IdentityRegistry, c.UserRegistry)
if configapi.IsPasswordAuthenticator(identityProvider) {
if identityProvider.UseAsLogin {
if c.OpenshiftEnabled {
passwordAuth, err := c.getPasswordAuthenticator(identityProvider)
if err != nil {
return nil, err
}
//map[string]handlers.AuthenticationRedirector
// 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{}}
redirectors["login"] = &redirector{RedirectURL: OpenShiftLoginPrefix, ThenParam: "then"}
login := login.NewLogin(c.getCSRF(), &callbackPasswordAuthenticator{passwordAuth, passwordSuccessHandler}, login.DefaultLoginFormRenderer)
login.Install(mux, OpenShiftLoginPrefix)
}
}
if identityProvider.UseAsChallenger {
challengers["login"] = 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)
oauthHandler, err := external.NewExternalOAuthRedirector(oauthProvider, state, c.Options.MasterPublicURL+callbackPath, oauthSuccessHandler, oauthErrorHandler, identityMapper)
if err != nil {
return nil, fmt.Errorf("unexpected error: %v", err)
}
mux.Handle(callbackPath, oauthHandler)
if identityProvider.UseAsLogin {
redirectors[identityProvider.Name] = oauthHandler
}
if identityProvider.UseAsChallenger {
return nil, errors.New("oauth identity providers cannot issue challenges")
}
}
}
if len(redirectors) > 0 && len(challengers) == 0 {
// Add a default challenger that will warn and give a link to the web browser token-granting location
challengers["placeholder"] = placeholderchallenger.New(OpenShiftOAuthTokenRequestURL(c.Options.MasterPublicURL))
}
authHandler := handlers.NewUnionAuthenticationHandler(challengers, redirectors, errorHandler)
return authHandler, nil
}
