Mikrotik integration (#467)

Allow MikroTik routes as WireGuard backends

internal/app/api/v0/handlers/endpoint_config.go

@@ -21,17 +21,23 @@ import (
 //go:embed frontend_config.js.gotpl
 var frontendJs embed.FS
 
+type ControllerManager interface {
+	GetControllerNames() []config.BackendBase
+}
+
 type ConfigEndpoint struct {
 	cfg           *config.Config
 	authenticator Authenticator
+	controllerMgr ControllerManager
 
 	tpl *respond.TemplateRenderer
 }
 
-func NewConfigEndpoint(cfg *config.Config, authenticator Authenticator) ConfigEndpoint {
+func NewConfigEndpoint(cfg *config.Config, authenticator Authenticator, ctrlMgr ControllerManager) ConfigEndpoint {
 	ep := ConfigEndpoint{
 		cfg:           cfg,
 		authenticator: authenticator,
+		controllerMgr: ctrlMgr,
 		tpl: respond.NewTemplateRenderer(template.Must(template.ParseFS(frontendJs,
 			"frontend_config.js.gotpl"))),
 	}
@@ -96,13 +102,36 @@ func (e ConfigEndpoint) handleSettingsGet() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		sessionUser := domain.GetUserInfo(r.Context())
 
+		controllerFn := func() []model.SettingsBackendNames {
+			controllers := e.controllerMgr.GetControllerNames()
+			names := make([]model.SettingsBackendNames, 0, len(controllers))
+
+			for _, controller := range controllers {
+				displayName := controller.GetDisplayName()
+				if displayName == "" {
+					displayName = controller.Id // fallback to ID if no display name is set
+				}
+				if controller.Id == config.LocalBackendName {
+					displayName = "modals.interface-edit.backend.local" // use a localized string for the local backend
+				}
+				names = append(names, model.SettingsBackendNames{
+					Id:   controller.Id,
+					Name: displayName,
+				})
+			}
+
+			return names
+
+		}
+
 		hasSocialLogin := len(e.cfg.Auth.OAuth) > 0 || len(e.cfg.Auth.OpenIDConnect) > 0 || e.cfg.Auth.WebAuthn.Enabled
 
 		// For anonymous users, we return the settings object with minimal information
 		if sessionUser.Id == domain.CtxUnknownUserId || sessionUser.Id == "" {
 			respond.JSON(w, http.StatusOK, model.Settings{
-				WebAuthnEnabled:  e.cfg.Auth.WebAuthn.Enabled,
-				LoginFormVisible: !e.cfg.Auth.HideLoginForm || !hasSocialLogin,
+				WebAuthnEnabled:   e.cfg.Auth.WebAuthn.Enabled,
+				AvailableBackends: []model.SettingsBackendNames{}, // return an empty list instead of null
+				LoginFormVisible:  !e.cfg.Auth.HideLoginForm || !hasSocialLogin,
 			})
 		} else {
 			respond.JSON(w, http.StatusOK, model.Settings{
@@ -112,6 +141,7 @@ func (e ConfigEndpoint) handleSettingsGet() http.HandlerFunc {
 				ApiAdminOnly:              e.cfg.Advanced.ApiAdminOnly,
 				WebAuthnEnabled:           e.cfg.Auth.WebAuthn.Enabled,
 				MinPasswordLength:         e.cfg.Auth.MinPasswordLength,
+				AvailableBackends:         controllerFn(),
 				LoginFormVisible:          !e.cfg.Auth.HideLoginForm || !hasSocialLogin,
 			})
 		}

internal/app/api/v0/model/models.go

@@ -6,11 +6,17 @@ type Error struct {
 }
 
 type Settings struct {
-	MailLinkOnly              bool `json:"MailLinkOnly"`
-	PersistentConfigSupported bool `json:"PersistentConfigSupported"`
-	SelfProvisioning          bool `json:"SelfProvisioning"`
-	ApiAdminOnly              bool `json:"ApiAdminOnly"`
-	WebAuthnEnabled           bool `json:"WebAuthnEnabled"`
-	MinPasswordLength         int  `json:"MinPasswordLength"`
-	LoginFormVisible          bool `json:"LoginFormVisible"`
+	MailLinkOnly              bool                   `json:"MailLinkOnly"`
+	PersistentConfigSupported bool                   `json:"PersistentConfigSupported"`
+	SelfProvisioning          bool                   `json:"SelfProvisioning"`
+	ApiAdminOnly              bool                   `json:"ApiAdminOnly"`
+	WebAuthnEnabled           bool                   `json:"WebAuthnEnabled"`
+	MinPasswordLength         int                    `json:"MinPasswordLength"`
+	AvailableBackends         []SettingsBackendNames `json:"AvailableBackends"`
+	LoginFormVisible          bool                   `json:"LoginFormVisible"`
+}
+
+type SettingsBackendNames struct {
+	Id   string `json:"Id"`
+	Name string `json:"Name"`
 }

internal/app/api/v0/model/models_interface.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/h44z/wg-portal/internal"
+	"github.com/h44z/wg-portal/internal/config"
 	"github.com/h44z/wg-portal/internal/domain"
 )
 
@@ -11,6 +12,7 @@ type Interface struct {
 	Identifier     string `json:"Identifier" example:"wg0"`      // device name, for example: wg0
 	DisplayName    string `json:"DisplayName"`                   // a nice display name/ description for the interface
 	Mode           string `json:"Mode" example:"server"`         // the interface type, either 'server', 'client' or 'any'
+	Backend        string `json:"Backend" example:"local"`       // the backend used for this interface e.g., local, mikrotik, ...
 	PrivateKey     string `json:"PrivateKey" example:"abcdef=="` // private Key of the server interface
 	PublicKey      string `json:"PublicKey" example:"abcdef=="`  // public Key of the server interface
 	Disabled       bool   `json:"Disabled"`                      // flag that specifies if the interface is enabled (up) or not (down)
@@ -57,6 +59,7 @@ func NewInterface(src *domain.Interface, peers []domain.Peer) *Interface {
 		Identifier:                 string(src.Identifier),
 		DisplayName:                src.DisplayName,
 		Mode:                       string(src.Type),
+		Backend:                    string(src.Backend),
 		PrivateKey:                 src.PrivateKey,
 		PublicKey:                  src.PublicKey,
 		Disabled:                   src.IsDisabled(),
@@ -92,6 +95,10 @@ func NewInterface(src *domain.Interface, peers []domain.Peer) *Interface {
 		Filename:     src.GetConfigFileName(),
 	}
 
+	if iface.Backend == "" {
+		iface.Backend = config.LocalBackendName // default to local backend
+	}
+
 	if len(peers) > 0 {
 		iface.TotalPeers = len(peers)
 
@@ -146,6 +153,7 @@ func NewDomainInterface(src *Interface) *domain.Interface {
 		SaveConfig:                 src.SaveConfig,
 		DisplayName:                src.DisplayName,
 		Type:                       domain.InterfaceType(src.Mode),
+		Backend:                    domain.InterfaceBackend(src.Backend),
 		DriverType:                 "",  // currently unused
 		Disabled:                   nil, // set below
 		DisabledReason:             src.DisabledReason,