wg-portal/internal/app/api/v0/handlers/endpoint_interfaces.go
2025-03-09 21:48:38 +01:00

424 lines
14 KiB
Go

package handlers
import (
"context"
"io"
"net/http"
"github.com/go-pkgz/routegroup"
"github.com/h44z/wg-portal/internal/app/api/core/request"
"github.com/h44z/wg-portal/internal/app/api/core/respond"
"github.com/h44z/wg-portal/internal/app/api/v0/model"
"github.com/h44z/wg-portal/internal/config"
"github.com/h44z/wg-portal/internal/domain"
)
type InterfaceService interface {
// GetInterfaceAndPeers returns the interface with the given id and all peers associated with it.
GetInterfaceAndPeers(ctx context.Context, id domain.InterfaceIdentifier) (*domain.Interface, []domain.Peer, error)
// PrepareInterface returns a new interface with default values.
PrepareInterface(ctx context.Context) (*domain.Interface, error)
// CreateInterface creates a new interface.
CreateInterface(ctx context.Context, in *domain.Interface) (*domain.Interface, error)
// UpdateInterface updates the interface with the given id.
UpdateInterface(ctx context.Context, in *domain.Interface) (*domain.Interface, []domain.Peer, error)
// DeleteInterface deletes the interface with the given id.
DeleteInterface(ctx context.Context, id domain.InterfaceIdentifier) error
// GetAllInterfacesAndPeers returns all interfaces and all peers associated with them.
GetAllInterfacesAndPeers(ctx context.Context) ([]domain.Interface, [][]domain.Peer, error)
// GetInterfaceConfig returns the interface configuration as string.
GetInterfaceConfig(ctx context.Context, id domain.InterfaceIdentifier) (io.Reader, error)
// PersistInterfaceConfig persists the interface configuration to a file.
PersistInterfaceConfig(ctx context.Context, id domain.InterfaceIdentifier) error
// ApplyPeerDefaults applies the peer defaults to all peers of the given interface.
ApplyPeerDefaults(ctx context.Context, in *domain.Interface) error
}
type InterfaceEndpoint struct {
cfg *config.Config
interfaceService InterfaceService
authenticator Authenticator
validator Validator
}
func NewInterfaceEndpoint(
cfg *config.Config,
authenticator Authenticator,
validator Validator,
interfaceService InterfaceService,
) InterfaceEndpoint {
return InterfaceEndpoint{
cfg: cfg,
interfaceService: interfaceService,
authenticator: authenticator,
validator: validator,
}
}
func (e InterfaceEndpoint) GetName() string {
return "InterfaceEndpoint"
}
func (e InterfaceEndpoint) RegisterRoutes(g *routegroup.Bundle) {
apiGroup := g.Mount("/interface")
apiGroup.Use(e.authenticator.LoggedIn(ScopeAdmin))
apiGroup.HandleFunc("GET /prepare", e.handlePrepareGet())
apiGroup.HandleFunc("GET /all", e.handleAllGet())
apiGroup.HandleFunc("GET /get/{id}", e.handleSingleGet())
apiGroup.HandleFunc("PUT /{id}", e.handleUpdatePut())
apiGroup.HandleFunc("DELETE /{id}", e.handleDelete())
apiGroup.HandleFunc("POST /new", e.handleCreatePost())
apiGroup.HandleFunc("GET /config/{id}", e.handleConfigGet())
apiGroup.HandleFunc("POST /{id}/save-config", e.handleSaveConfigPost())
apiGroup.HandleFunc("POST /{id}/apply-peer-defaults", e.handleApplyPeerDefaultsPost())
apiGroup.HandleFunc("GET /peers/{id}", e.handlePeersGet())
}
// handlePrepareGet returns a gorm Handler function.
//
// @ID interfaces_handlePrepareGet
// @Tags Interface
// @Summary Prepare a new interface.
// @Produce json
// @Success 200 {object} model.Interface
// @Failure 500 {object} model.Error
// @Router /interface/prepare [get]
func (e InterfaceEndpoint) handlePrepareGet() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
in, err := e.interfaceService.PrepareInterface(r.Context())
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.JSON(w, http.StatusOK, model.NewInterface(in, nil))
}
}
// handleAllGet returns a gorm Handler function.
//
// @ID interfaces_handleAllGet
// @Tags Interface
// @Summary Get all available interfaces.
// @Produce json
// @Success 200 {object} []model.Interface
// @Failure 500 {object} model.Error
// @Router /interface/all [get]
func (e InterfaceEndpoint) handleAllGet() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
interfaces, peers, err := e.interfaceService.GetAllInterfacesAndPeers(r.Context())
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.JSON(w, http.StatusOK, model.NewInterfaces(interfaces, peers))
}
}
// handleSingleGet returns a gorm Handler function.
//
// @ID interfaces_handleSingleGet
// @Tags Interface
// @Summary Get single interface.
// @Produce json
// @Success 200 {object} model.Interface
// @Failure 400 {object} model.Error
// @Failure 500 {object} model.Error
// @Router /interface/get/{id} [get]
func (e InterfaceEndpoint) handleSingleGet() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := Base64UrlDecode(request.Path(r, "id"))
if id == "" {
respond.JSON(w, http.StatusBadRequest, model.Error{
Code: http.StatusInternalServerError, Message: "missing id parameter",
})
return
}
iface, peers, err := e.interfaceService.GetInterfaceAndPeers(r.Context(), domain.InterfaceIdentifier(id))
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.JSON(w, http.StatusOK, model.NewInterface(iface, peers))
}
}
// handleConfigGet returns a gorm Handler function.
//
// @ID interfaces_handleConfigGet
// @Tags Interface
// @Summary Get interface configuration as string.
// @Produce json
// @Success 200 {object} string
// @Failure 400 {object} model.Error
// @Failure 500 {object} model.Error
// @Router /interface/config/{id} [get]
func (e InterfaceEndpoint) handleConfigGet() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := Base64UrlDecode(request.Path(r, "id"))
if id == "" {
respond.JSON(w, http.StatusBadRequest, model.Error{
Code: http.StatusInternalServerError, Message: "missing id parameter",
})
return
}
config, err := e.interfaceService.GetInterfaceConfig(r.Context(), domain.InterfaceIdentifier(id))
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
configString, err := io.ReadAll(config)
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.JSON(w, http.StatusOK, string(configString))
}
}
// handleUpdatePut returns a gorm Handler function.
//
// @ID interfaces_handleUpdatePut
// @Tags Interface
// @Summary Update the interface record.
// @Produce json
// @Param id path string true "The interface identifier"
// @Param request body model.Interface true "The interface data"
// @Success 200 {object} model.Interface
// @Failure 400 {object} model.Error
// @Failure 500 {object} model.Error
// @Router /interface/{id} [put]
func (e InterfaceEndpoint) handleUpdatePut() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := Base64UrlDecode(request.Path(r, "id"))
if id == "" {
respond.JSON(w, http.StatusBadRequest,
model.Error{Code: http.StatusBadRequest, Message: "missing interface id"})
return
}
var in model.Interface
if err := request.BodyJson(r, &in); err != nil {
respond.JSON(w, http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
return
}
if err := e.validator.Struct(in); err != nil {
respond.JSON(w, http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
return
}
if id != in.Identifier {
respond.JSON(w, http.StatusBadRequest,
model.Error{Code: http.StatusBadRequest, Message: "interface id mismatch"})
return
}
updatedInterface, peers, err := e.interfaceService.UpdateInterface(r.Context(), model.NewDomainInterface(&in))
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.JSON(w, http.StatusOK, model.NewInterface(updatedInterface, peers))
}
}
// handleCreatePost returns a gorm Handler function.
//
// @ID interfaces_handleCreatePost
// @Tags Interface
// @Summary Create the new interface record.
// @Produce json
// @Param request body model.Interface true "The interface data"
// @Success 200 {object} model.Interface
// @Failure 400 {object} model.Error
// @Failure 500 {object} model.Error
// @Router /interface/new [post]
func (e InterfaceEndpoint) handleCreatePost() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var in model.Interface
if err := request.BodyJson(r, &in); err != nil {
respond.JSON(w, http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
return
}
if err := e.validator.Struct(in); err != nil {
respond.JSON(w, http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
return
}
newInterface, err := e.interfaceService.CreateInterface(r.Context(), model.NewDomainInterface(&in))
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.JSON(w, http.StatusOK, model.NewInterface(newInterface, nil))
}
}
// handlePeersGet returns a gorm Handler function.
//
// @ID interfaces_handlePeersGet
// @Tags Interface
// @Summary Get peers for the given interface.
// @Produce json
// @Success 200 {object} []model.Peer
// @Failure 500 {object} model.Error
// @Router /interface/peers/{id} [get]
func (e InterfaceEndpoint) handlePeersGet() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := Base64UrlDecode(request.Path(r, "id"))
if id == "" {
respond.JSON(w, http.StatusBadRequest, model.Error{
Code: http.StatusInternalServerError, Message: "missing id parameter",
})
return
}
_, peers, err := e.interfaceService.GetInterfaceAndPeers(r.Context(), domain.InterfaceIdentifier(id))
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.JSON(w, http.StatusOK, model.NewPeers(peers))
}
}
// handleDelete returns a gorm Handler function.
//
// @ID interfaces_handleDelete
// @Tags Interface
// @Summary Delete the interface record.
// @Produce json
// @Param id path string true "The interface identifier"
// @Success 204 "No content if deletion was successful"
// @Failure 400 {object} model.Error
// @Failure 500 {object} model.Error
// @Router /interface/{id} [delete]
func (e InterfaceEndpoint) handleDelete() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := Base64UrlDecode(request.Path(r, "id"))
if id == "" {
respond.JSON(w, http.StatusBadRequest,
model.Error{Code: http.StatusBadRequest, Message: "missing interface id"})
return
}
err := e.interfaceService.DeleteInterface(r.Context(), domain.InterfaceIdentifier(id))
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.Status(w, http.StatusNoContent)
}
}
// handleSaveConfigPost returns a gorm Handler function.
//
// @ID interfaces_handleSaveConfigPost
// @Tags Interface
// @Summary Save the interface configuration in wg-quick format to a file.
// @Produce json
// @Param id path string true "The interface identifier"
// @Success 204 "No content if saving the configuration was successful"
// @Failure 400 {object} model.Error
// @Failure 500 {object} model.Error
// @Router /interface/{id}/save-config [post]
func (e InterfaceEndpoint) handleSaveConfigPost() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := Base64UrlDecode(request.Path(r, "id"))
if id == "" {
respond.JSON(w, http.StatusBadRequest,
model.Error{Code: http.StatusBadRequest, Message: "missing interface id"})
return
}
err := e.interfaceService.PersistInterfaceConfig(r.Context(), domain.InterfaceIdentifier(id))
if err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.Status(w, http.StatusNoContent)
}
}
// handleApplyPeerDefaultsPost returns a gorm Handler function.
//
// @ID interfaces_handleApplyPeerDefaultsPost
// @Tags Interface
// @Summary Apply all peer defaults to the available peers.
// @Produce json
// @Param id path string true "The interface identifier"
// @Param request body model.Interface true "The interface data"
// @Success 204 "No content if applying peer defaults was successful"
// @Failure 400 {object} model.Error
// @Failure 500 {object} model.Error
// @Router /interface/{id}/apply-peer-defaults [post]
func (e InterfaceEndpoint) handleApplyPeerDefaultsPost() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := Base64UrlDecode(request.Path(r, "id"))
if id == "" {
respond.JSON(w, http.StatusBadRequest,
model.Error{Code: http.StatusBadRequest, Message: "missing interface id"})
return
}
var in model.Interface
if err := request.BodyJson(r, &in); err != nil {
respond.JSON(w, http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
return
}
if err := e.validator.Struct(in); err != nil {
respond.JSON(w, http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
return
}
if id != in.Identifier {
respond.JSON(w, http.StatusBadRequest,
model.Error{Code: http.StatusBadRequest, Message: "interface id mismatch"})
return
}
if err := e.interfaceService.ApplyPeerDefaults(r.Context(), model.NewDomainInterface(&in)); err != nil {
respond.JSON(w, http.StatusInternalServerError, model.Error{
Code: http.StatusInternalServerError, Message: err.Error(),
})
return
}
respond.Status(w, http.StatusNoContent)
}
}