feat: access token check

modules/backend/main.go

@@ -25,18 +25,18 @@ import (
 var AppConfig Config
 
 func main() {
-	// if len(os.Args) != 2 {
-	// 	AppConfig.Mode = "env"
-	// } else {
-	// 	AppConfig.Mode = "argv"
-	// }
+	if len(os.Args) != 2 {
+		AppConfig.Mode = "env"
+	} else {
+		AppConfig.Mode = "argv"
+	}
 
-	// err := InitConfig()
-	// if err != nil {
-	// 	log.Fatalf("Failed to init config: %v\n", err)
-	// }
+	err := InitConfig()
+	if err != nil {
+		log.Fatalf("Failed to init config: %v\n", err)
+	}
 
-	pool, err := pgxpool.New(context.Background(), os.Getenv("DATABASE_URL"))
+	pool, err := pgxpool.New(context.Background(), AppConfig.DdUrl)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
 		os.Exit(1)
@@ -47,16 +47,11 @@ func main() {
 	r := gin.Default()
 
 	r.Use(middleware.CSRFMiddleware())
-	// jwt middle will be here
+	r.Use(middleware.JWTAuthMiddleware(AppConfig.JwtPrivateKey))
+
 	queries := sqlc.New(pool)
 
-	// === RabbitMQ setup ===
-	rmqURL := os.Getenv("RABBITMQ_URL")
-	if rmqURL == "" {
-		rmqURL = "amqp://guest:guest@rabbitmq:5672/"
-	}
-
-	rmqConn, err := amqp091.Dial(rmqURL)
+	rmqConn, err := amqp091.Dial(AppConfig.rmqURL)
 	if err != nil {
 		log.Fatalf("Failed to connect to RabbitMQ: %v", err)
 	}
@@ -68,7 +63,7 @@ func main() {
 	server := handlers.NewServer(queries, publisher, rpcClient)
 
 	r.Use(cors.New(cors.Config{
-		AllowOrigins:     []string{"*"}, // allow all origins, change to specific domains in production
+		AllowOrigins:     []string{AppConfig.ServiceAddress},
 		AllowMethods:     []string{"GET", "POST", "PUT", "DELETE", "PATCH"},
 		AllowHeaders:     []string{"Origin", "Content-Type", "Accept"},
 		ExposeHeaders:    []string{"Content-Length"},
@@ -78,7 +73,7 @@ func main() {
 
 	oapi.RegisterHandlers(r, oapi.NewStrictHandler(
 		server,
-		// сюда можно добавить middlewares, если нужно
+
 		[]oapi.StrictMiddlewareFunc{},
 	))
 

modules/backend/middlewares/access.go

@@ -0,0 +1,109 @@
+package middleware
+
+import (
+	"context"
+	"errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// ctxKey — приватный тип для ключа контекста
+type ctxKey struct{}
+
+// ginContextKey — уникальный ключ для хранения *gin.Context
+var ginContextKey = &ctxKey{}
+
+// GinContextToContext сохраняет *gin.Context в context.Context запроса
+func GinContextToContext(c *gin.Context) {
+	ctx := context.WithValue(c.Request.Context(), ginContextKey, c)
+	c.Request = c.Request.WithContext(ctx)
+}
+
+// GinContextFromContext извлекает *gin.Context из context.Context
+func GinContextFromContext(ctx context.Context) (*gin.Context, bool) {
+	ginCtx, ok := ctx.Value(ginContextKey).(*gin.Context)
+	return ginCtx, ok
+}
+
+func JWTAuthMiddleware(secret string) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// 1. Получаем access_token из cookie
+		tokenStr, err := c.Cookie("access_token")
+		if err != nil {
+			abortWithJSON(c, http.StatusUnauthorized, "missing access_token cookie")
+			return
+		}
+
+		// 2. Парсим токен с MapClaims
+		token, err := jwt.Parse(tokenStr, func(t *jwt.Token) (interface{}, error) {
+			if t.Method != jwt.SigningMethodHS256 {
+				return nil, errors.New("unexpected signing method: " + t.Method.Alg())
+			}
+			return []byte(secret), nil // ← конвертируем string → []byte
+		})
+		if err != nil {
+			abortWithJSON(c, http.StatusUnauthorized, "invalid token: "+err.Error())
+			return
+		}
+
+		// 3. Проверяем валидность
+		if !token.Valid {
+			abortWithJSON(c, http.StatusUnauthorized, "token is invalid")
+			return
+		}
+
+		// 4. Извлекаем user_id из claims
+		claims, ok := token.Claims.(jwt.MapClaims)
+		if !ok {
+			abortWithJSON(c, http.StatusUnauthorized, "invalid claims format")
+			return
+		}
+
+		userID, ok := claims["user_id"].(string)
+		if !ok || userID == "" {
+			abortWithJSON(c, http.StatusUnauthorized, "user_id claim missing or invalid")
+			return
+		}
+
+		// 5. Сохраняем в контексте
+		c.Set("user_id", userID)
+
+		// 6. Для oapi-codegen — кладём gin.Context в request context
+		GinContextToContext(c)
+
+		c.Next()
+	}
+}
+
+// Вспомогательные функции (без изменений)
+func UserIDFromGin(c *gin.Context) (string, bool) {
+	id, exists := c.Get("user_id")
+	if !exists {
+		return "", false
+	}
+	if s, ok := id.(string); ok {
+		return s, true
+	}
+	return "", false
+}
+
+func UserIDFromContext(ctx context.Context) (string, error) {
+	ginCtx, ok := GinContextFromContext(ctx)
+	if !ok {
+		return "", errors.New("gin context not found")
+	}
+	userID, ok := UserIDFromGin(ginCtx)
+	if !ok {
+		return "", errors.New("user_id not found in context")
+	}
+	return userID, nil
+}
+
+func abortWithJSON(c *gin.Context, code int, message string) {
+	c.AbortWithStatusJSON(code, gin.H{
+		"error":   "unauthorized",
+		"message": message,
+	})
+}

modules/backend/types.go

@@ -1,12 +1,10 @@
 package main
 
 type Config struct {
-	Mode     string
-	LogLevel string `toml:"LogLevel" env:"LOG_LEVEL"`
-}
-
-type Item struct {
-	ID          int    `json:"id"`
-	Title       string `json:"title"`
-	Description string `json:"description"`
+	Mode           string
+	ServiceAddress string `toml:"ServiceAddress" env:"SERVICE_ADDRESS"`
+	DdUrl          string `toml:"DbUrl" env:"DATABASE_URL"`
+	JwtPrivateKey  string `toml:"JwtPrivateKey" env:"JWT_PRIVATE_KEY"`
+	LogLevel       string `toml:"LogLevel" env:"LOG_LEVEL"`
+	rmqURL         string `toml:"RabbitMQUrl" env:"RABBITMQ_URL"`
 }