init

pkg/jwt/jwt.go

@@ -0,0 +1,49 @@
+package jwt
+
+import (
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// Option jwt additional data
+type Option struct {
+	Key string
+	Val any
+}
+
+// WithOption returns Option with key-value pairs
+func WithOption(key string, val any) Option {
+	return Option{
+		Key: key,
+		Val: val,
+	}
+}
+
+// NewJwtToken Generate and return jwt token with given data.
+func NewJwtToken(secretKey string, iat, seconds int64, opt ...Option) (string, error) {
+	claims := make(jwt.MapClaims)
+	claims["exp"] = iat + seconds
+	claims["iat"] = iat
+
+	for _, v := range opt {
+		claims[v.Key] = v.Val
+	}
+
+	token := jwt.New(jwt.SigningMethodHS256)
+	token.Claims = claims
+	return token.SignedString([]byte(secretKey))
+}
+
+// ParseJwtToken Parse jwt token and return claims.
+func ParseJwtToken(tokenString, secretKey string) (jwt.MapClaims, error) {
+	token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		return []byte(secretKey), nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if !ok {
+		return nil, jwt.ErrTokenInvalidId
+	}
+	return claims, nil
+}

pkg/jwt/util_test.go

@@ -0,0 +1,22 @@
+package jwt
+
+import (
+	"testing"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/pkg/errors"
+)
+
+// TestNewJwtToken test NewJwtToken function
+func TestParseJwtToken(t *testing.T) {
+	token := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJEZXZpY2VJZCI6IjM4IiwiZXhwIjoxNzE4MTU2OTQ4LCJpYXQiOjE3MTc1NTIxNDgsInVzZXJJZCI6MX0.4W0nga82kNrfwWjkwcgYAWj4fI4iRc-ZftwVbu-a_kI"
+	secret := "ae0536f9-6450-4606-8e13-5a19ed505da0"
+
+	claims, err := ParseJwtToken(token, secret)
+	if err != nil && !errors.Is(err, jwt.ErrTokenExpired) {
+		t.Errorf("err: %v", err.Error())
+		return
+	}
+	// parse jwt token success
+	t.Logf("claims: %v", claims)
+}

pkg/jwt/verify.go

@@ -0,0 +1,18 @@
+package jwt
+
+import "github.com/golang-jwt/jwt/v5"
+
+var (
+	InvalidToken = jwt.ErrTokenInvalidId
+	ExpiredToken = jwt.ErrTokenExpired
+)
+
+func VerifyToken(tokenString, secret string) error {
+	_, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		return []byte(secret), nil
+	})
+	if err != nil {
+		return err
+	}
+	return nil
+}