Implement rpc calls with new helper functions, implementing the proto spec

grpcv1.go

@@ -3,73 +3,370 @@ package headscale
 
 import (
 	"context"
+	"encoding/json"
+	"time"
 
-	apiV1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+	"github.com/juanfont/headscale/gen/go/headscale/v1"
+	"github.com/rs/zerolog/log"
+	"gorm.io/datatypes"
+	"tailscale.com/tailcfg"
 )
 
-type headscaleV1APIServer struct { // apiV1.HeadscaleServiceServer
-	apiV1.UnimplementedHeadscaleServiceServer
+type headscaleV1APIServer struct { // v1.HeadscaleServiceServer
+	v1.UnimplementedHeadscaleServiceServer
 	h *Headscale
 }
 
-func newHeadscaleV1APIServer(h *Headscale) apiV1.HeadscaleServiceServer {
+func newHeadscaleV1APIServer(h *Headscale) v1.HeadscaleServiceServer {
 	return headscaleV1APIServer{
 		h: h,
 	}
 }
 
-func (api headscaleV1APIServer) GetMachine(
+func (api headscaleV1APIServer) GetNamespace(
 	ctx context.Context,
-	request *apiV1.GetMachineRequest,
-) (*apiV1.GetMachineResponse, error) {
-	// m, err := api.h.GetMachineByID(request.MachineId)
-	// if err != nil {
-	// 	return nil, err
-	// }
+	request *v1.GetNamespaceRequest,
+) (*v1.GetNamespaceResponse, error) {
+	namespace, err := api.h.GetNamespace(request.GetName())
+	if err != nil {
+		return nil, err
+	}
 
-	// TODO(kradalby): Make this function actually do something
-	return &apiV1.GetMachineResponse{Name: "test"}, nil
+	return &v1.GetNamespaceResponse{Namespace: namespace.toProto()}, nil
 }
 
 func (api headscaleV1APIServer) CreateNamespace(
 	ctx context.Context,
-	request *apiV1.CreateNamespaceRequest,
-) (*apiV1.CreateNamespaceResponse, error) {
-	namespace, err := api.h.CreateNamespace(request.Name)
+	request *v1.CreateNamespaceRequest,
+) (*v1.CreateNamespaceResponse, error) {
+	namespace, err := api.h.CreateNamespace(request.GetName())
 	if err != nil {
 		return nil, err
 	}
 
-	return &apiV1.CreateNamespaceResponse{Name: namespace.Name}, nil
+	return &v1.CreateNamespaceResponse{Namespace: namespace.toProto()}, nil
+}
+
+func (api headscaleV1APIServer) RenameNamespace(
+	ctx context.Context,
+	request *v1.RenameNamespaceRequest,
+) (*v1.RenameNamespaceResponse, error) {
+	err := api.h.RenameNamespace(request.GetOldName(), request.GetNewName())
+	if err != nil {
+		return nil, err
+	}
+
+	namespace, err := api.h.GetNamespace(request.GetNewName())
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.RenameNamespaceResponse{Namespace: namespace.toProto()}, nil
 }
 
 func (api headscaleV1APIServer) DeleteNamespace(
 	ctx context.Context,
-	request *apiV1.DeleteNamespaceRequest,
-) (*apiV1.DeleteNamespaceResponse, error) {
-	err := api.h.DestroyNamespace(request.Name)
+	request *v1.DeleteNamespaceRequest,
+) (*v1.DeleteNamespaceResponse, error) {
+	err := api.h.DestroyNamespace(request.GetName())
 	if err != nil {
 		return nil, err
 	}
 
-	return &apiV1.DeleteNamespaceResponse{}, nil
+	return &v1.DeleteNamespaceResponse{}, nil
 }
 
 func (api headscaleV1APIServer) ListNamespaces(
 	ctx context.Context,
-	request *apiV1.ListNamespacesRequest,
-) (*apiV1.ListNamespacesResponse, error) {
+	request *v1.ListNamespacesRequest,
+) (*v1.ListNamespacesResponse, error) {
 	namespaces, err := api.h.ListNamespaces()
 	if err != nil {
 		return nil, err
 	}
 
-	response := make([]string, len(*namespaces))
-	for index, namespace := range *namespaces {
-		response[index] = namespace.Name
+	response := make([]*v1.Namespace, len(namespaces))
+	for index, namespace := range namespaces {
+		response[index] = namespace.toProto()
 	}
 
-	return &apiV1.ListNamespacesResponse{Namespaces: response}, nil
+	log.Trace().Caller().Interface("namespaces", response).Msg("")
+
+	return &v1.ListNamespacesResponse{Namespaces: response}, nil
+}
+
+func (api headscaleV1APIServer) CreatePreAuthKey(
+	ctx context.Context,
+	request *v1.CreatePreAuthKeyRequest,
+) (*v1.CreatePreAuthKeyResponse, error) {
+	expiration := request.GetExpiration().AsTime()
+	preAuthKey, err := api.h.CreatePreAuthKey(
+		request.GetNamespace(),
+		request.GetResuable(),
+		request.GetEphemeral(),
+		&expiration,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.CreatePreAuthKeyResponse{PreAuthKey: preAuthKey.toProto()}, nil
+}
+
+func (api headscaleV1APIServer) ExpirePreAuthKey(
+	ctx context.Context,
+	request *v1.ExpirePreAuthKeyRequest,
+) (*v1.ExpirePreAuthKeyResponse, error) {
+	preAuthKey, err := api.h.GetPreAuthKey(request.GetNamespace(), request.Key)
+	if err != nil {
+		return nil, err
+	}
+
+	err = api.h.ExpirePreAuthKey(preAuthKey)
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.ExpirePreAuthKeyResponse{}, nil
+}
+
+func (api headscaleV1APIServer) ListPreAuthKeys(
+	ctx context.Context,
+	request *v1.ListPreAuthKeysRequest,
+) (*v1.ListPreAuthKeysResponse, error) {
+	preAuthKeys, err := api.h.ListPreAuthKeys(request.GetNamespace())
+	if err != nil {
+		return nil, err
+	}
+
+	response := make([]*v1.PreAuthKey, len(preAuthKeys))
+	for index, key := range preAuthKeys {
+		response[index] = key.toProto()
+	}
+
+	return &v1.ListPreAuthKeysResponse{PreAuthKeys: response}, nil
+}
+
+func (api headscaleV1APIServer) RegisterMachine(
+	ctx context.Context,
+	request *v1.RegisterMachineRequest,
+) (*v1.RegisterMachineResponse, error) {
+	machine, err := api.h.RegisterMachine(
+		request.GetKey(),
+		request.GetNamespace(),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.RegisterMachineResponse{Machine: machine.toProto()}, nil
+}
+
+func (api headscaleV1APIServer) GetMachine(
+	ctx context.Context,
+	request *v1.GetMachineRequest,
+) (*v1.GetMachineResponse, error) {
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.GetMachineResponse{Machine: machine.toProto()}, nil
+}
+
+func (api headscaleV1APIServer) DeleteMachine(
+	ctx context.Context,
+	request *v1.DeleteMachineRequest,
+) (*v1.DeleteMachineResponse, error) {
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	err = api.h.DeleteMachine(
+		machine,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.DeleteMachineResponse{}, nil
+}
+
+func (api headscaleV1APIServer) ListMachines(
+	ctx context.Context,
+	request *v1.ListMachinesRequest,
+) (*v1.ListMachinesResponse, error) {
+	if request.GetNamespace() != "" {
+		machines, err := api.h.ListMachinesInNamespace(request.GetNamespace())
+		if err != nil {
+			return nil, err
+		}
+
+		sharedMachines, err := api.h.ListSharedMachinesInNamespace(request.GetNamespace())
+		if err != nil {
+			return nil, err
+		}
+
+		machines = append(machines, sharedMachines...)
+
+		response := make([]*v1.Machine, len(machines))
+		for index, machine := range machines {
+			response[index] = machine.toProto()
+		}
+
+		return &v1.ListMachinesResponse{Machines: response}, nil
+	}
+
+	machines, err := api.h.ListMachines()
+	if err != nil {
+		return nil, err
+	}
+
+	response := make([]*v1.Machine, len(machines))
+	for index, machine := range machines {
+		response[index] = machine.toProto()
+	}
+
+	return &v1.ListMachinesResponse{Machines: response}, nil
+}
+
+func (api headscaleV1APIServer) ShareMachine(
+	ctx context.Context,
+	request *v1.ShareMachineRequest,
+) (*v1.ShareMachineResponse, error) {
+	destinationNamespace, err := api.h.GetNamespace(request.GetNamespace())
+	if err != nil {
+		return nil, err
+	}
+
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	err = api.h.AddSharedMachineToNamespace(machine, destinationNamespace)
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.ShareMachineResponse{Machine: machine.toProto()}, nil
+}
+
+func (api headscaleV1APIServer) UnshareMachine(
+	ctx context.Context,
+	request *v1.UnshareMachineRequest,
+) (*v1.UnshareMachineResponse, error) {
+	destinationNamespace, err := api.h.GetNamespace(request.GetNamespace())
+	if err != nil {
+		return nil, err
+	}
+
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	err = api.h.RemoveSharedMachineFromNamespace(machine, destinationNamespace)
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.UnshareMachineResponse{Machine: machine.toProto()}, nil
+}
+
+func (api headscaleV1APIServer) GetMachineRoute(
+	ctx context.Context,
+	request *v1.GetMachineRouteRequest,
+) (*v1.GetMachineRouteResponse, error) {
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	routes, err := machine.RoutesToProto()
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.GetMachineRouteResponse{
+		Routes: routes,
+	}, nil
+}
+
+func (api headscaleV1APIServer) EnableMachineRoutes(
+	ctx context.Context,
+	request *v1.EnableMachineRoutesRequest,
+) (*v1.EnableMachineRoutesResponse, error) {
+	machine, err := api.h.GetMachineByID(request.GetMachineId())
+	if err != nil {
+		return nil, err
+	}
+
+	err = api.h.EnableRoutes(machine, request.GetRoutes()...)
+	if err != nil {
+		return nil, err
+	}
+
+	routes, err := machine.RoutesToProto()
+	if err != nil {
+		return nil, err
+	}
+
+	return &v1.EnableMachineRoutesResponse{
+		Routes: routes,
+	}, nil
+}
+
+// The following service calls are for testing and debugging
+func (api headscaleV1APIServer) DebugCreateMachine(
+	ctx context.Context,
+	request *v1.DebugCreateMachineRequest,
+) (*v1.DebugCreateMachineResponse, error) {
+	namespace, err := api.h.GetNamespace(request.GetNamespace())
+	if err != nil {
+		return nil, err
+	}
+
+	routes, err := stringToIpPrefix(request.GetRoutes())
+	if err != nil {
+		return nil, err
+	}
+
+	log.Trace().Caller().Interface("route-prefix", routes).Interface("route-str", request.GetRoutes()).Msg("")
+
+	hostinfo := tailcfg.Hostinfo{
+		RoutableIPs: routes,
+		OS:          "TestOS",
+		Hostname:    "DebugTestMachine",
+	}
+
+	log.Trace().Caller().Interface("hostinfo", hostinfo).Msg("")
+
+	hostinfoJson, err := json.Marshal(hostinfo)
+	if err != nil {
+		return nil, err
+	}
+
+	newMachine := Machine{
+		MachineKey: request.GetKey(),
+		Name:       request.GetName(),
+		Namespace:  *namespace,
+
+		Expiry:               &time.Time{},
+		LastSeen:             &time.Time{},
+		LastSuccessfulUpdate: &time.Time{},
+
+		HostInfo: datatypes.JSON(hostinfoJson),
+	}
+
+	// log.Trace().Caller().Interface("machine", newMachine).Msg("")
+
+	if err := api.h.db.Create(&newMachine).Error; err != nil {
+		return nil, err
+	}
+
+	return &v1.DebugCreateMachineResponse{Machine: newMachine.toProto()}, nil
 }
 
 func (api headscaleV1APIServer) mustEmbedUnimplementedHeadscaleServiceServer() {}