Access token auth implemented

Signed-off-by: Nikolai Rodionov <iam@allanger.xyz>

internal/interceptors/authjwt.go

@@ -2,11 +2,14 @@ package interceptors
 
 import (
 	"context"
+	"fmt"
 	"strings"
 
 	"gitea.badhouseplants.net/softplayer/softplayer-backend/internal/tools/logger"
+	"github.com/golang-jwt/jwt/v5"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 )
 
@@ -32,7 +35,25 @@ func (v *JWTVerifier) JWTAuthInterceptor(
 	log := logger.FromContext(v.serverCtx).WithValues("method", info.FullMethod)
 	if !strings.Contains(info.FullMethod, "NoAuth") {
 		log.Info("Checking the JWT token")
-		return nil, status.Error(codes.Unauthenticated, "Use is not authorized")
+		md, ok := metadata.FromIncomingContext(ctx)
+		if !ok {
+			return nil, status.Error(codes.Unauthenticated, "User is not authorized")
+		}
+
+		tokenString := md.Get("token")[0]
+		token, err := jwt.Parse(tokenString, func(token *jwt.Token) (any, error) {
+			// hmacSampleSecret is a []byte containing your secret, e.g. []byte("my_secret_key")
+			return v.secret, nil
+		}, jwt.WithValidMethods([]string{jwt.SigningMethodHS256.Alg()}))
+		if err != nil {
+			return nil, status.Error(codes.Unauthenticated, "User is not authorized")
+		}
+
+		if claims, ok := token.Claims.(jwt.MapClaims); ok {
+			fmt.Println(claims["userID"])
+		} else {
+			fmt.Println(err)
+		}
 		// Get the token from the metadata
 		// Validate the token
 		// Get the user id from the token