diff --git a/go.mod b/go.mod
index 936b29a..4ac3a49 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	gitea.pena/PenaSide/hlog v0.0.0-20241125221102-a54c29c002a9
 	gitea.pena/PenaSide/linters-golang v0.0.0-20241207122018-933207374735
 	gitea.pena/PenaSide/trashlog v0.0.0-20250222101337-a43552caae6f
-	gitea.pena/SQuiz/common v0.0.0-20250422170643-069ed8e576cc
+	gitea.pena/SQuiz/common v0.0.0-20250423110755-e980b87b531f
 	github.com/caarlos0/env/v8 v8.0.0
 	github.com/go-redis/redis/v8 v8.11.5
 	github.com/gofiber/fiber/v2 v2.52.6
diff --git a/go.sum b/go.sum
index 9a9792f..146cf5a 100644
--- a/go.sum
+++ b/go.sum
@@ -15,6 +15,10 @@ gitea.pena/SQuiz/common v0.0.0-20250422165756-2cc87ee518df h1:+PVdYOD2SZQp8MfZtH
 gitea.pena/SQuiz/common v0.0.0-20250422165756-2cc87ee518df/go.mod h1:/YR+uo4RouZshuHPkguk7nAJVKuFt3Z0mTFxUPdlzxQ=
 gitea.pena/SQuiz/common v0.0.0-20250422170643-069ed8e576cc h1:HnmZlJxmQJQdF+2L4DEpKpJWNVOThe4qaouVEOALmY0=
 gitea.pena/SQuiz/common v0.0.0-20250422170643-069ed8e576cc/go.mod h1:/YR+uo4RouZshuHPkguk7nAJVKuFt3Z0mTFxUPdlzxQ=
+gitea.pena/SQuiz/common v0.0.0-20250423105358-3f22f4c92df2 h1:a4w4+B+4UlRkBA5X6XTXEJyEKSC7kaRXA5aJ1V7ynIA=
+gitea.pena/SQuiz/common v0.0.0-20250423105358-3f22f4c92df2/go.mod h1:zCrUwDh0APpztKk6NUqTZv+zhjVbWpGBJiJ5z9dAH0U=
+gitea.pena/SQuiz/common v0.0.0-20250423110755-e980b87b531f h1:68BRQNKrbOu/6v226qV/WYSQfGJ5DOe0dxWdA5W1Ywo=
+gitea.pena/SQuiz/common v0.0.0-20250423110755-e980b87b531f/go.mod h1:rQRjqLlLyM71FZcvbM95Nv3ciq44F9DFtUHPZmDK3T8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/ClickHouse/clickhouse-go v1.5.4 h1:cKjXeYLNWVJIx2J1K6H2CqyRmfwVJVY1OV1coaaFcI0=
 github.com/ClickHouse/clickhouse-go v1.5.4/go.mod h1:EaI/sW7Azgz9UATzd5ZdZHRUhHgv5+JMS9NSr2smCJI=
diff --git a/internal/app/app.go b/internal/app/app.go
index ed4f786..8d4b906 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -149,6 +149,7 @@ func Run(ctx context.Context, cfg initialize.Config, build Build) error {
 		Controllers: []http.Controller{controllers.HttpControllers.Account, controllers.HttpControllers.Telegram, controllers.HttpControllers.Result,
 			controllers.HttpControllers.Question, controllers.HttpControllers.Quiz, controllers.HttpControllers.Statistic},
 		Hlogger: loggerHlog,
+		Dal:     dalS.PgDAL,
 	})
 
 	go func() {
diff --git a/internal/server/http/http_server.go b/internal/server/http/http_server.go
index 121c9b1..b6c90a6 100644
--- a/internal/server/http/http_server.go
+++ b/internal/server/http/http_server.go
@@ -5,7 +5,9 @@ import (
 	"fmt"
 	"gitea.pena/PenaSide/common/log_mw"
 	"gitea.pena/PenaSide/hlog"
+	"gitea.pena/SQuiz/common/dal"
 	"gitea.pena/SQuiz/common/middleware"
+	"gitea.pena/SQuiz/core/internal/middleware/check_ownership"
 	"github.com/gofiber/fiber/v2"
 	"go.uber.org/zap"
 )
@@ -14,6 +16,7 @@ type ServerConfig struct {
 	Logger      *zap.Logger
 	Controllers []Controller
 	Hlogger     hlog.Logger
+	Dal         *dal.DAL
 }
 
 type Server struct {
@@ -25,6 +28,7 @@ type Server struct {
 func NewServer(config ServerConfig) *Server {
 	app := fiber.New()
 	app.Use(middleware.JWTAuth())
+	app.Use(check_ownership.OwnerShipMiddleware(check_ownership.NewOwnerShip(config.Dal)))
 	app.Use(log_mw.ContextLogger(config.Hlogger))
 	//app.Get("/liveness", healthchecks.Liveness)
 	//app.Get("/readiness", healthchecks.Readiness(&workerErr)) //todo parametrized readiness. should discuss ready reason