feat: oidc (#605)

* chore: add oidc base config

* wip: authorize page

* feat: implement basic oidc functionality

* refactor: implement oidc following tinyauth patterns

* feat: adapt frontend to oidc flow

* fix: review comments

* fix: oidc review comments

* feat: refresh token grant type support

* feat: cleanup expired oidc sessions

* feat: frontend i18n

* fix: fix typo in error screen

* tests: add basic testing

* fix: more review comments

* refactor: rework oidc error messages

* feat: openid discovery endpoint

* feat: jwk endpoint

* i18n: fix typo

* fix: more rabbit nitpicks

* fix: final review comments

* i18n: authorize page error messages

internal/bootstrap/app_bootstrap.go

@@ -30,6 +30,7 @@ type BootstrapApp struct {
 		users               []config.User
 		oauthProviders      map[string]config.OAuthServiceConfig
 		configuredProviders []controller.Provider
+		oidcClients         []config.OIDCClientConfig
 	}
 	services Services
 }
@@ -84,6 +85,12 @@ func (app *BootstrapApp) Setup() error {
 		app.context.oauthProviders[id] = provider
 	}
 
+	// Setup OIDC clients
+	for id, client := range app.config.OIDC.Clients {
+		client.ID = id
+		app.context.oidcClients = append(app.context.oidcClients, client)
+	}
+
 	// Get cookie domain
 	cookieDomain, err := utils.GetCookieDomain(app.config.AppURL)
 
@@ -240,7 +247,7 @@ func (app *BootstrapApp) heartbeat() {
 
 	heartbeatURL := config.ApiServer + "/v1/instances/heartbeat"
 
-	for ; true; <-ticker.C {
+	for range ticker.C {
 		tlog.App.Debug().Msg("Sending heartbeat")
 
 		req, err := http.NewRequest(http.MethodPost, heartbeatURL, bytes.NewReader(bodyJson))
@@ -272,7 +279,7 @@ func (app *BootstrapApp) dbCleanup(queries *repository.Queries) {
 	defer ticker.Stop()
 	ctx := context.Background()
 
-	for ; true; <-ticker.C {
+	for range ticker.C {
 		tlog.App.Debug().Msg("Cleaning up old database sessions")
 		err := queries.DeleteExpiredSessions(ctx, time.Now().Unix())
 		if err != nil {

internal/bootstrap/router_bootstrap.go

@@ -86,6 +86,10 @@ func (app *BootstrapApp) setupRouter() (*gin.Engine, error) {
 
 	oauthController.SetupRoutes()
 
+	oidcController := controller.NewOIDCController(controller.OIDCControllerConfig{}, app.services.oidcService, apiRouter)
+
+	oidcController.SetupRoutes()
+
 	proxyController := controller.NewProxyController(controller.ProxyControllerConfig{
 		AppURL: app.config.AppURL,
 	}, apiRouter, app.services.accessControlService, app.services.authService)
@@ -109,5 +113,9 @@ func (app *BootstrapApp) setupRouter() (*gin.Engine, error) {
 
 	healthController.SetupRoutes()
 
+	wellknownController := controller.NewWellKnownController(controller.WellKnownControllerConfig{}, app.services.oidcService, engine)
+
+	wellknownController.SetupRoutes()
+
 	return engine, nil
 }

internal/bootstrap/service_bootstrap.go

@@ -12,6 +12,7 @@ type Services struct {
 	dockerService        *service.DockerService
 	ldapService          *service.LdapService
 	oauthBrokerService   *service.OAuthBrokerService
+	oidcService          *service.OIDCService
 }
 
 func (app *BootstrapApp) initServices(queries *repository.Queries) (Services, error) {
@@ -88,5 +89,21 @@ func (app *BootstrapApp) initServices(queries *repository.Queries) (Services, er
 
 	services.oauthBrokerService = oauthBrokerService
 
+	oidcService := service.NewOIDCService(service.OIDCServiceConfig{
+		Clients:        app.config.OIDC.Clients,
+		PrivateKeyPath: app.config.OIDC.PrivateKeyPath,
+		PublicKeyPath:  app.config.OIDC.PublicKeyPath,
+		Issuer:         app.config.AppURL,
+		SessionExpiry:  app.config.Auth.SessionExpiry,
+	}, queries)
+
+	err = oidcService.Init()
+
+	if err != nil {
+		return Services{}, err
+	}
+
+	services.oidcService = oidcService
+
 	return services, nil
 }