Moved lgoin from AccessHandler into Guard Service

src/internal/server/access_handler.go

@@ -1,8 +1,6 @@
 package server
 
 import (
-	"fmt"
-
 	dto "git.ego.freeddns.org/egommerce/api-entities/identity/dto"
 	domain "git.ego.freeddns.org/egommerce/identity-service/domain/repository"
 	"git.ego.freeddns.org/egommerce/identity-service/internal/service"
@@ -14,36 +12,16 @@ func (s *Server) AccessHandlerFn(c *fiber.Ctx) error {
 	roleRepo := domain.NewRoleRepository(s.GetDatabase())
 	urlRepo := domain.NewURLAccessRepository(s.GetDatabase())
 	authSrv := service.NewAuthService(userRepo, s.GetCache())
+	guardSrv := service.NewGuardService(authSrv, userRepo, roleRepo, urlRepo)
 
 	url, srvName := c.Query("q"), c.Query("srv")
-
 	header := new(dto.AuthorizationHeaderDTO)
 	c.ReqHeaderParser(header)
 
-	token, err := authSrv.GetTokenFromAuthorizationHeader(header.Authorization)
+	err := guardSrv.CheckUserPermissions(header, url, srvName)
-	if err != nil { // FIXME probably never get here cause of jwt parsing in middlewares
+	if err != nil {
 		return s.Error(c, fiber.StatusNotFound, err.Error())
 	}
 
-	uid, _ := authSrv.GetUIDByAccesssToken(token)
-	user, err := userRepo.FindByID(uid)
-	if err != nil {
-		return s.Error(c, fiber.StatusNotFound, "user not found")
-	}
-
-	role := roleRepo.GetUserRole(user)
-
-	urlAcc, err := urlRepo.FindByURLAndServiceForRole(url, srvName, role.Name)
-	if err != nil {
-		return s.Error(c, fiber.StatusNotFound, "user has not required permission")
-	}
-
-	fmt.Printf("urlAcc: %#v", urlAcc)
-
-	// roles := urlRepo.FindForUser()
-	// guardSrv := service.NewGuardService()
-
-	// guard.CheckAccess("asd")
-
 	return c.SendStatus(fiber.StatusNoContent)
 }

src/internal/service/auth.go

@@ -25,19 +25,19 @@ func init() {
 	passSrv = NewPasswordService()
 }
 
-type Auth struct {
+type AuthService struct {
 	userRepo *domain.UserRepository
 	cache    *redis.Client
 }
 
-func NewAuthService(userRepo *domain.UserRepository, cache *redis.Client) *Auth {
+func NewAuthService(userRepo *domain.UserRepository, cache *redis.Client) *AuthService {
-	return &Auth{
+	return &AuthService{
 		userRepo: userRepo,
 		cache:    cache,
 	}
 }
 
-func (a *Auth) Login(login, passwd string) (string, error) {
+func (a *AuthService) Login(login, passwd string) (string, error) {
 	user, err := a.userRepo.FindByUsername(login)
 	if err != nil {
 		// if err = database.NoRowsInQuerySet(err); err != nil {
@@ -66,7 +66,7 @@ func (a *Auth) Login(login, passwd string) (string, error) {
 	return accessToken, nil
 }
 
-func (a *Auth) RefreshToken(accessToken string) (string, error) {
+func (a *AuthService) RefreshToken(accessToken string) (string, error) {
 	token, claims, err := jwtSrv.ValidateAccessToken(accessToken)
 	if err != nil || !token.Valid {
 		return "", ErrInvalidAccessToken
@@ -95,7 +95,7 @@ func (a *Auth) RefreshToken(accessToken string) (string, error) {
 	return newAccessToken, nil
 }
 
-func (a *Auth) Register(email, login, passwd string) (string, error) {
+func (a *AuthService) Register(email, login, passwd string) (string, error) {
 	passwd, _ = passSrv.Hash(passwd)
 
 	id, err := a.userRepo.Create(&entity.User{
@@ -110,7 +110,7 @@ func (a *Auth) Register(email, login, passwd string) (string, error) {
 	return id, nil
 }
 
-func (a *Auth) GetTokenFromAuthorizationHeader(header string) (string, error) {
+func (a *AuthService) getTokenFromAuthorizationHeader(header string) (string, error) {
 	split := strings.Split(header, " ")
 	if len(split) != 2 {
 		return "", ErrParsingAccessToken
@@ -119,7 +119,7 @@ func (a *Auth) GetTokenFromAuthorizationHeader(header string) (string, error) {
 	return split[1], nil
 }
 
-func (a *Auth) GetUIDByAccesssToken(aToken string) (string, error) {
+func (a *AuthService) getUIDByAccesssToken(aToken string) (string, error) {
 	res := a.cache.Get(context.Background(), "user:"+aToken)
 	if err := res.Err(); err != nil {
 		return "", err
@@ -130,7 +130,7 @@ func (a *Auth) GetUIDByAccesssToken(aToken string) (string, error) {
 	return uid, nil
 }
 
-func (a *Auth) saveTokensToCache(id, aToken, rToken string) error {
+func (a *AuthService) saveTokensToCache(id, aToken, rToken string) error {
 	res := a.cache.Set(context.Background(), "auth:access_token:"+id, aToken, accessTokenExpireTime)
 	if err := res.Err(); err != nil {
 		fmt.Println("failed to save access token in cache: ", err.Error())

src/internal/service/guard.go

@@ -0,0 +1,45 @@
+package service
+
+import (
+	"errors"
+
+	dto "git.ego.freeddns.org/egommerce/api-entities/identity/dto"
+	domain "git.ego.freeddns.org/egommerce/identity-service/domain/repository"
+)
+
+type Guard struct {
+	authSrv  *AuthService
+	userRepo *domain.UserRepository
+	roleRepo *domain.RoleRepository
+	urlRepo  *domain.URLAccessRepository
+}
+
+func NewGuardService(authSrv *AuthService, userRepo *domain.UserRepository, roleRepo *domain.RoleRepository, urlRepo *domain.URLAccessRepository) *Guard {
+	return &Guard{
+		authSrv:  authSrv,
+		userRepo: userRepo,
+		roleRepo: roleRepo,
+		urlRepo:  urlRepo,
+	}
+}
+
+func (g *Guard) CheckUserPermissions(authHeader *dto.AuthorizationHeaderDTO, url, srvName string) error {
+	token, err := g.authSrv.getTokenFromAuthorizationHeader(authHeader.Authorization)
+	if err != nil { // FIXME probably never get here cause of jwt parsing in middlewares
+		return err
+	}
+
+	uid, _ := g.authSrv.getUIDByAccesssToken(token)
+	user, err := g.userRepo.FindByID(uid)
+	if err != nil {
+		return errors.New("user not found")
+	}
+
+	role := g.roleRepo.GetUserRole(user)
+
+	if _, err := g.urlRepo.FindByURLAndServiceForRole(url, srvName, role.Name); err != nil {
+		return errors.New("user has not required permission")
+	}
+
+	return nil
+}