feat: 完成人机交互验证 API 接入,增加短信防刷验证

This commit is contained in:
RockYang
2023-07-25 17:00:24 +08:00
parent cab955c292
commit c5be114db2
18 changed files with 705 additions and 213 deletions

View File

@@ -0,0 +1,47 @@
package handler
import (
"chatplus/core/types"
"chatplus/service"
"chatplus/utils/resp"
"github.com/gin-gonic/gin"
)
// 今日头条函数实现
type CaptchaHandler struct {
service *service.CaptchaService
}
func NewCaptchaHandler(s *service.CaptchaService) *CaptchaHandler {
return &CaptchaHandler{service: s}
}
func (h *CaptchaHandler) Get(c *gin.Context) {
data, err := h.service.Get()
if err != nil {
resp.ERROR(c, err.Error())
return
}
resp.SUCCESS(c, data)
}
// Check verify the captcha data
func (h *CaptchaHandler) Check(c *gin.Context) {
var data struct {
Key string `json:"key"`
Dots string `json:"dots"`
}
if err := c.ShouldBindJSON(&data); err != nil {
resp.ERROR(c, types.InvalidArgs)
return
}
if h.service.Check(data) {
resp.SUCCESS(c)
} else {
resp.ERROR(c)
}
}

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@@ -0,0 +1,65 @@
package handler
import (
"chatplus/core"
"chatplus/core/types"
"chatplus/service"
"chatplus/store"
"chatplus/utils"
"chatplus/utils/resp"
"github.com/gin-gonic/gin"
)
const CodeStorePrefix = "/verify/codes/"
type SmsHandler struct {
BaseHandler
db *store.LevelDB
sms *service.AliYunSmsService
captcha *service.CaptchaService
}
func NewSmsHandler(app *core.AppServer, db *store.LevelDB, sms *service.AliYunSmsService, captcha *service.CaptchaService) *SmsHandler {
handler := &SmsHandler{db: db, sms: sms, captcha: captcha}
handler.App = app
return handler
}
// VerifyCode 发送验证码短信
func (h *SmsHandler) VerifyCode(c *gin.Context) {
var data struct {
Mobile string `json:"mobile"`
Key string `json:"key"`
Dots string `json:"dots"`
}
if err := c.ShouldBindJSON(&data); err != nil {
resp.ERROR(c, types.InvalidArgs)
return
}
if !h.captcha.Check(data) {
resp.ERROR(c, "验证码错误,请先完人机验证")
return
}
code := utils.RandomNumber(6)
err := h.sms.SendVerifyCode(data.Mobile, code)
if err != nil {
resp.ERROR(c, err.Error())
return
}
// 存储验证码,等待后面注册验证
err = h.db.Put(CodeStorePrefix+data.Mobile, code)
if err != nil {
resp.ERROR(c, "验证码保存失败")
return
}
resp.SUCCESS(c)
}
// Status check if the message service is enabled
func (h *SmsHandler) Status(c *gin.Context) {
resp.SUCCESS(c, h.App.Config.EnabledMsgService)
}

View File

@@ -58,12 +58,14 @@ func (h *UserHandler) Register(c *gin.Context) {
// 检查验证码
key := CodeStorePrefix + data.Mobile
var code int
err := h.levelDB.Get(key, &code)
if err != nil || code != data.Code {
logger.Info(code)
resp.ERROR(c, "短信验证码错误")
return
if h.App.Config.EnabledMsgService {
var code int
err := h.levelDB.Get(key, &code)
if err != nil || code != data.Code {
logger.Info(code)
resp.ERROR(c, "短信验证码错误")
return
}
}
// check if the username is exists
@@ -111,7 +113,7 @@ func (h *UserHandler) Register(c *gin.Context) {
var cfg model.Config
h.db.Where("marker = ?", "system").First(&cfg)
var config types.SystemConfig
err = utils.JsonDecode(cfg.Config, &config)
err := utils.JsonDecode(cfg.Config, &config)
if err != nil || config.UserInitCalls <= 0 {
user.Calls = types.UserInitCalls
} else {
@@ -124,7 +126,9 @@ func (h *UserHandler) Register(c *gin.Context) {
return
}
_ = h.levelDB.Delete(key) // 注册成功,删除短信验证码
if h.App.Config.EnabledMsgService {
_ = h.levelDB.Delete(key) // 注册成功,删除短信验证码
}
resp.SUCCESS(c, user)
}

View File

@@ -1,150 +0,0 @@
package handler
import (
"chatplus/core"
"chatplus/core/types"
"chatplus/service"
"chatplus/store"
"chatplus/utils"
"chatplus/utils/resp"
"fmt"
"time"
"github.com/gin-gonic/gin"
)
// 短信验证码控制器
type VerifyHandler struct {
BaseHandler
sms *service.AliYunSmsService
db *store.LevelDB
}
const TokenStorePrefix = "/verify/tokens/"
const CodeStorePrefix = "/verify/codes/"
const MobileStatPrefix = "/verify/stats/"
func NewVerifyHandler(app *core.AppServer, sms *service.AliYunSmsService, db *store.LevelDB) *VerifyHandler {
handler := &VerifyHandler{sms: sms, db: db}
handler.App = app
return handler
}
type VerifyToken struct {
Token string
Timestamp int64
}
// CodeStats 验证码发送统计
type CodeStats struct {
Mobile string
Count uint
Time int64
}
// Token 生成自验证 token
func (h *VerifyHandler) Token(c *gin.Context) {
// 如果不是通过浏览器访问,则返回错误的 token
// TODO: 引入验证码机制防刷机制
if c.GetHeader("Sec-Fetch-Mode") != "cors" {
token := fmt.Sprintf("%s:%d", utils.RandString(32), time.Now().Unix())
encrypt, err := utils.AesEncrypt(h.App.Config.AesEncryptKey, []byte(token))
if err != nil {
resp.ERROR(c, "Token 加密出错")
return
}
resp.SUCCESS(c, encrypt)
return
}
token := VerifyToken{
Token: utils.RandString(32),
Timestamp: time.Now().Unix(),
}
json := utils.JsonEncode(token)
encrypt, err := utils.AesEncrypt(h.App.Config.AesEncryptKey, []byte(json))
if err != nil {
resp.ERROR(c, "Token 加密出错")
return
}
err = h.db.Put(TokenStorePrefix+token.Token, token)
if err != nil {
resp.ERROR(c, "Token 存储失败")
return
}
resp.SUCCESS(c, encrypt)
}
// SendMsg 发送验证码短信
func (h *VerifyHandler) SendMsg(c *gin.Context) {
var data struct {
Mobile string `json:"mobile"`
Token string `json:"token"`
}
if err := c.ShouldBindJSON(&data); err != nil {
resp.ERROR(c, types.InvalidArgs)
return
}
decrypt, err := utils.AesDecrypt(h.App.Config.AesEncryptKey, data.Token)
if err != nil {
resp.ERROR(c, "Token 解密失败")
return
}
var token VerifyToken
err = utils.JsonDecode(string(decrypt), &token)
if err != nil {
resp.ERROR(c, "Token 解码失败")
return
}
if time.Now().Unix()-token.Timestamp > 30 {
resp.ERROR(c, "Token 已过期,请刷新页面重试")
return
}
// 验证当前手机号发送次数24 小时内相同手机号只允许发送 2 次
var stat CodeStats
err = h.db.Get(MobileStatPrefix+data.Mobile, &stat)
if err != nil {
stat = CodeStats{
Mobile: data.Mobile,
Count: 0,
Time: time.Now().Unix(),
}
} else if stat.Count == 2 {
if time.Now().Unix()-stat.Time > 86400 {
stat.Count = 0
stat.Time = time.Now().Unix()
} else {
resp.ERROR(c, "触发流量预警,请 24 小时后再操作!")
return
}
}
code := utils.RandomNumber(6)
err = h.sms.SendVerifyCode(data.Mobile, code)
if err != nil {
resp.ERROR(c, err.Error())
return
}
// 每个 token 用完一次立即失效
_ = h.db.Delete(TokenStorePrefix + token.Token)
// 存储验证码,等待后面注册验证
err = h.db.Put(CodeStorePrefix+data.Mobile, code)
if err != nil {
resp.ERROR(c, "验证码保存失败")
return
}
// 更新发送次数
stat.Count = stat.Count + 1
_ = h.db.Put(MobileStatPrefix+data.Mobile, stat)
logger.Infof("%+v", stat)
resp.SUCCESS(c)
}