add simple ws logger

tokens.go

@@ -1,63 +0,0 @@
-package main
-
-import (
-	"errors"
-	"fmt"
-	"strconv"
-	"time"
-
-	"github.com/golang-jwt/jwt/v5"
-)
-
-var secretKey = []byte("replace-with-env-variable")
-
-type UserClaims struct {
-	Name  string `json:"name"`
-	Color string `json:"color"`
-	jwt.RegisteredClaims
-}
-
-func GetToken(user *User) (string, error) {
-	token := jwt.NewWithClaims(jwt.SigningMethodHS256,
-		UserClaims{
-			Name:  user.Name,
-			Color: string(user.Color[:]),
-			RegisteredClaims: jwt.RegisteredClaims{
-				Subject:   strconv.Itoa(int(user.Id)),
-				ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour)),
-				IssuedAt:  jwt.NewNumericDate(time.Now()),
-			},
-		},
-	)
-	return token.SignedString(secretKey)
-}
-
-func GetUserFromToken(tokenString string) (User, error) {
-	token, err := jwt.ParseWithClaims(tokenString, &UserClaims{}, func(t *jwt.Token) (interface{}, error) {
-		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
-			return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
-		}
-		return secretKey, nil
-	})
-	if err != nil {
-		return User{}, err
-	}
-
-	claims, ok := token.Claims.(*UserClaims)
-	if !ok || !token.Valid {
-		return User{}, errors.New("invalid token")
-	}
-
-	id, err := strconv.ParseUint(claims.Subject, 10, 64)
-	if err != nil {
-		return User{}, fmt.Errorf("invalid subject: %w", err)
-	}
-
-	var color [3]byte
-	copy(color[:], claims.Color)
-	return User{
-		Id:    id,
-		Name:  claims.Name,
-		Color: color,
-	}, nil
-}