setup tasks auth middleware and compose

internal/competition/middleware/auth.go

@@ -1,67 +0,0 @@
-package middleware
-
-import (
-	"context"
-	"strings"
-
-	authpb "datarush/pkg/api/auth"
-
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/metadata"
-	"google.golang.org/grpc/status"
-)
-
-type contextKey string
-
-const (
-	UserIDKey    contextKey = "user_id"
-	authHeader              = "authorization"
-	bearerScheme            = "bearer"
-)
-
-type AuthInterceptor struct {
-	authClient authpb.AuthServiceClient
-}
-
-func NewAuthInterceptor(authClient authpb.AuthServiceClient) *AuthInterceptor {
-	return &AuthInterceptor{authClient: authClient}
-}
-
-func (i *AuthInterceptor) Unary() grpc.UnaryServerInterceptor {
-	return func(
-		ctx context.Context,
-		req interface{},
-		info *grpc.UnaryServerInfo,
-		handler grpc.UnaryHandler,
-	) (interface{}, error) {
-		md, ok := metadata.FromIncomingContext(ctx)
-		if !ok {
-			return nil, status.Error(codes.Unauthenticated, "metadata is not provided")
-		}
-
-		authHeaders := md.Get(authHeader)
-		if len(authHeaders) == 0 {
-			return nil, status.Error(codes.Unauthenticated, "authorization token is not provided")
-		}
-
-		header := authHeaders[0]
-		parts := strings.Split(header, " ")
-		if len(parts) != 2 || !strings.EqualFold(parts[0], bearerScheme) {
-			return nil, status.Errorf(codes.Unauthenticated, "invalid authorization header format")
-		}
-
-		token := parts[1]
-
-		validateResp, err := i.authClient.ValidateToken(ctx, &authpb.ValidateTokenRequest{
-			Token: token,
-		})
-		if err != nil {
-			return nil, status.Errorf(codes.Unauthenticated, "failed to validate token: %v", err)
-		}
-
-		newCtx := context.WithValue(ctx, UserIDKey, validateResp.GetUserId())
-
-		return handler(newCtx, req)
-	}
-}

internal/competition/server/server.go

@@ -8,11 +8,11 @@ import (
 
 	"datarush/internal/competition/config"
 	grpcHandlers "datarush/internal/competition/handler/grpc"
-	"datarush/internal/competition/middleware"
 	"datarush/internal/competition/repository/postgres"
 	"datarush/internal/competition/service"
 	authpb "datarush/pkg/api/auth"
 	pb "datarush/pkg/api/competition"
+	"datarush/pkg/interceptor"
 
 	"github.com/jmoiron/sqlx"
 	_ "github.com/lib/pq"
@@ -82,7 +82,7 @@ func (s *Server) Start() error {
 
 func (s *Server) registerGRPCServices() error {
 	authClient := authpb.NewAuthServiceClient(s.authConn)
-	authInterceptor := middleware.NewAuthInterceptor(authClient)
+	authInterceptor := interceptor.NewAuthInterceptor(authClient)
 
 	s.grpcServer = grpc.NewServer(
 		grpc.UnaryInterceptor(authInterceptor.Unary()),