Feat: compatible digest algorithm with V2

assets @ fdf67a42

-Subproject commit 4f146a643bebec30e13866bef92cb3327b587fb3
+Subproject commit fdf67a42027207cfef168b439706406620e7ee06

models/user.go

 package model
 
 import (
+	"crypto/md5"
 	"crypto/sha1"
 	"encoding/hex"
 	"encoding/json"
@@ -191,11 +192,24 @@ func (user *User) CheckPassword(password string) (bool, error) {
 
 	// 根据存储密码拆分为 Salt 和 Digest
 	passwordStore := strings.Split(user.Password, ":")
-	if len(passwordStore) != 2 {
+	if len(passwordStore) != 2 && len(passwordStore) != 3 {
 		return false, errors.New("Unknown password type")
 	}
 
-	// todo 兼容V2/V1密码
+	// 兼容V2密码，升级后存储格式为: md5:$HASH:$SALT
+	if len(passwordStore) == 3 {
+		if passwordStore[0] != "md5" {
+			return false, errors.New("Unknown password type")
+		}
+		hash := md5.New()
+		_, err := hash.Write([]byte(passwordStore[2] + password))
+		bs := hex.EncodeToString(hash.Sum(nil))
+		if err != nil {
+			return false, err
+		}
+		return bs == passwordStore[1], nil
+	}
+
 	//计算 Salt 和密码组合的SHA1摘要
 	hash := sha1.New()
 	_, err := hash.Write([]byte(password + passwordStore[0]))

models/user_test.go

@@ -144,6 +144,27 @@ func TestUser_CheckPassword(t *testing.T) {
 	asserts.Error(err)
 	asserts.False(res)
 
+	// 未知密码类型
+	user = User{}
+	user.Password = "1:2:3"
+	res, err = user.CheckPassword("Cause Sega does what nintendon't")
+	asserts.Error(err)
+	asserts.False(res)
+
+	// V2密码，错误
+	user = User{}
+	user.Password = "md5:2:3"
+	res, err = user.CheckPassword("Cause Sega does what nintendon't")
+	asserts.NoError(err)
+	asserts.False(res)
+
+	// V2密码，正确
+	user = User{}
+	user.Password = "md5:d8446059f8846a2c111a7f53515665fb:sdshare"
+	res, err = user.CheckPassword("admin")
+	asserts.NoError(err)
+	asserts.True(res)
+
 }
 
 func TestNewUser(t *testing.T) {