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jwt.go
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/
jwt.go
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/*
* Copyright 2022 CloudWeGo Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package mw
import (
"context"
"errors"
"fmt"
"github.com/feihua/hertz-admin/gen/model"
"github.com/feihua/hertz-admin/gen/query"
"net/http"
"time"
"github.com/cloudwego/hertz/pkg/app"
"github.com/cloudwego/hertz/pkg/common/hlog"
"github.com/cloudwego/hertz/pkg/common/utils"
"github.com/hertz-contrib/jwt"
)
var (
JwtMiddleware *jwt.HertzJWTMiddleware
IdentityKey = "id"
)
type User struct {
Id int64
Name string
Permissions []interface{}
}
func InitJwt() {
var err error
JwtMiddleware, err = jwt.New(&jwt.HertzJWTMiddleware{
Realm: "test zone",
Key: []byte("secret key"),
Timeout: time.Hour * 24,
MaxRefresh: time.Hour,
TokenLookup: "header: Authorization, query: token, cookie: jwt",
TokenHeadName: "Bearer",
LoginResponse: func(ctx context.Context, c *app.RequestContext, code int, token string, expire time.Time) {
c.JSON(http.StatusOK, utils.H{
"code": 1,
"message": "success",
"data": utils.H{
"token": token,
"expire": expire.Format(time.RFC3339),
},
})
},
Authenticator: func(ctx context.Context, c *app.RequestContext) (interface{}, error) {
var loginStruct struct {
Account string `form:"account" json:"account" query:"account" vd:"(len($) > 0 && len($) < 30); msg:'Illegal format'"`
Password string `form:"password" json:"password" query:"password" vd:"(len($) > 0 && len($) < 30); msg:'Illegal format'"`
}
if err := c.BindAndValidate(&loginStruct); err != nil {
return nil, err
}
userQuery := query.SysUser
sysUser, err := userQuery.WithContext(ctx).Where(userQuery.Mobile.Eq(loginStruct.Account)).First()
if err != nil {
return nil, err
}
if sysUser.Password != loginStruct.Password {
return nil, errors.New("密码不正确")
}
menus, err := query.SysMenu.WithContext(ctx).Find()
//menus, _, err := entity.QuerySysMenu(nil, 1, 1000)
var list []interface{}
for _, menu := range menus {
list = append(list, menu.APIURL)
}
//保存登录日志
query.SysLoginLog.WithContext(ctx).Create(&model.SysLoginLog{
UserName: sysUser.UserName,
Status: "1",
IP: string(c.Request.Host()),
LoginTime: time.Now(),
})
return &User{
Id: sysUser.ID,
Name: sysUser.UserName,
Permissions: list,
}, nil
},
Authorizator: func(data interface{}, ctx context.Context, c *app.RequestContext) bool {
user := data.(*User)
url := string(c.Request.Path())
flag := false
for _, permission := range user.Permissions {
if fmt.Sprint(permission) == url {
flag = true
break
}
}
c.Request.Header.Add("userId", fmt.Sprintf("%d", user.Id))
c.Request.Header.Add("userName", user.Name)
return flag
},
IdentityKey: IdentityKey,
IdentityHandler: func(ctx context.Context, c *app.RequestContext) interface{} {
claims := jwt.ExtractClaims(ctx, c)
return &User{
Id: int64(claims[IdentityKey].(float64)),
Name: claims["name"].(string),
Permissions: claims["permissions"].([]interface{}),
}
},
PayloadFunc: func(data interface{}) jwt.MapClaims {
if v, ok := data.(*User); ok {
return jwt.MapClaims{
IdentityKey: v.Id,
"name": v.Name,
"permissions": v.Permissions,
}
}
return jwt.MapClaims{}
},
HTTPStatusMessageFunc: func(e error, ctx context.Context, c *app.RequestContext) string {
hlog.CtxErrorf(ctx, "jwt biz err = %+v", e.Error())
return e.Error()
},
Unauthorized: func(ctx context.Context, c *app.RequestContext, code int, message string) {
c.JSON(http.StatusOK, utils.H{
"code": code,
"message": message,
})
},
})
if err != nil {
panic(err)
}
}