304 lines
7.2 KiB
Go
304 lines
7.2 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt"
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"github.com/robfig/cron/v3"
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"io"
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"log"
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"os"
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"strings"
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"videoplayer/dao"
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"videoplayer/handler"
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"videoplayer/proto"
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"videoplayer/worker"
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)
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func main() {
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gin.SetMode(gin.ReleaseMode)
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r := gin.Default()
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err := dao.Init()
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if err != nil {
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panic("failed to connect database:" + err.Error())
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}
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err = worker.InitRedis()
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if err != nil {
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panic("failed to connect redis:" + err.Error())
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}
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r.Use(handler.CrosHandler())
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r.Use(JWTAuthMiddleware()) // 使用 JWT 认证中间件
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handler.SetUpVideoGroup(r) // Video
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handler.SetUpUserGroup(r) // User
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handler.SetUpDeviceGroup(r) // Device
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handler.SetUpIMGroup(r) // IM
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handler.SetUpCIDGroup(r) // CID,持续集成、部署
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handler.SetUpToolGroup(r) // Tool
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defer dao.Close()
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defer worker.CloseRedis()
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//定时任务
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c := cron.New(cron.WithSeconds())
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// 添加每 10 秒执行一次的任务
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_, err = c.AddFunc("@every 10s", myTask)
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if err != nil {
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log.Fatal("添加定时任务失败: ", err)
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}
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c.Start()
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//读取配置文件，设置系统
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ReadConfigToSetSystem()
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r.Run(":" + proto.Config.SERVER_PORT) // listen and serve on 0.0.0.0:8083
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}
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func init() {
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// 创建cid的目录
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os.MkdirAll(proto.CID_BASE_DIR, os.ModePerm)
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os.MkdirAll(proto.CID_BASE_DIR+"script", os.ModePerm)
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os.MkdirAll(proto.CID_BASE_DIR+"workspace", os.ModePerm)
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//读取配置文件
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//文件地址/home/videoplayer/vp.conf
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configPath := "/home/videoplayer/vp.conf"
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//读取配置文件
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err := proto.ReadConfig(configPath)
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if err != nil {
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panic("failed to read config file:" + err.Error())
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}
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}
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func writeLogger(c *gin.Context) {
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ip := c.ClientIP()
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method := c.Request.Method
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path := c.Request.URL.Path
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params := ""
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if method == "GET" {
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params = c.Request.URL.RawQuery
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}
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if method == "POST" && !strings.Contains(c.Request.URL.Path, "/upload") {
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params = c.Request.PostForm.Encode()
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if params == "" {
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// 请求体
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bodyBytes, _ := io.ReadAll(c.Request.Body)
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c.Request.Body = io.NopCloser(strings.NewReader(string(bodyBytes))) // Write body back, so other handler can read it too
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params = string(bodyBytes)
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}
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}
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if strings.Contains(c.Request.URL.Path, "/upload") {
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params = "upload file"
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}
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go dao.InsertLogToDB(path, ip, method, params)
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}
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func JWTAuthMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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if proto.Config.LOG_SAVE_DAYS > 0 {
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writeLogger(c)
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}
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// 从请求头中获取 JWT 令牌
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tokenString := c.Request.Header.Get("token")
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//请求方式为get时，从url中获取token
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if tokenString == "" {
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tokenString = c.Query("token")
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}
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//如果请求为login或register，则不需要验证token
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for k, _ := range proto.Url_map {
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if strings.Contains(c.Request.URL.Path, k) {
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c.Next()
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return
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}
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}
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if tokenString == "" {
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//c.AbortWithStatus(200)
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c.JSON(200, gin.H{
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"message": "Unauthorized",
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"error": "token is empty",
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"code": proto.TokenIsNull,
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})
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return
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}
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if proto.Config.TOKEN_USE_REDIS {
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redisToken := worker.GetRedis(tokenString)
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if redisToken == "" {
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c.AbortWithStatus(200)
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c.JSON(200, gin.H{
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"message": "NOT_LOGIN",
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"error": "server token is empty",
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"code": proto.TokenIsNull,
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})
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return
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}
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}
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//查看token是否在超级token中
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if worker.IsContainSet("super_permission_tokens", tokenString) {
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s_id := c.Request.Header.Get("super_id")
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if s_id == "" {
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c.AbortWithStatus(200)
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c.JSON(200, gin.H{
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"message": "NOT_LOGIN",
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"error": "super_id is empty",
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"code": proto.TokenIsNull,
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})
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return
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}
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c.Set("id", s_id)
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c.Next()
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return
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}
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// 使用加密secret 解析 JWT 令牌
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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return proto.SigningKey, nil
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})
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// 验证令牌
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if err != nil || !token.Valid {
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c.AbortWithStatus(200)
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c.JSON(200, gin.H{
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"message": "NOT_LOGIN",
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"error": "Invalid token",
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"code": proto.TokenExpired,
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})
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return
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}
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// 将用户信息添加到上下文中
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c.Set("id", token.Claims.(jwt.MapClaims)["id"])
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c.Set("username", token.Claims.(jwt.MapClaims)["username"])
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if UserFuncIntercept(int(token.Claims.(jwt.MapClaims)["id"].(float64)), c.Request.URL.Path) {
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c.AbortWithStatus(200)
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c.JSON(200, gin.H{
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"message": "no function permission",
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"error": "no permission",
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"code": proto.NoPermission,
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})
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return
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}
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// 继续处理请求
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c.Next()
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}
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}
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func myTask() {
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// 定时任务
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//redis中取出数据
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handler.RunCron()
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if proto.Config.MONITOR {
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handler.ScanDeviceStatus()
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}
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//其它定时任务-通用
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RunGeneralCron()
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}
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func ReadConfigToSetSystem() {
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//redis添加通用定时任务
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key := "cron_info"
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//日志清理
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res := worker.GetRedis(key)
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var cron_infos []proto.CronInfo
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if res != "" {
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err := json.Unmarshal([]byte(res), &cron_infos)
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if err != nil {
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fmt.Println("ReadConfigToSetSystem Error decoding config,key value is :", res)
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}
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//查看清除日志任务是否存在
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if proto.Config.LOG_SAVE_DAYS > 0 {
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var is_exist bool
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for _, v := range cron_infos {
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if v.Type == 1 {
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is_exist = true
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break
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}
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}
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if !is_exist {
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var logClean proto.CronInfo
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logClean.Type = 1
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logClean.Info = "日志清理"
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logClean.Curr = 86400
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logClean.Every = 86400
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cron_infos = append(cron_infos, logClean)
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}
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}
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} else {
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if proto.Config.LOG_SAVE_DAYS > 0 {
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var logClean proto.CronInfo
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logClean.Type = 1
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logClean.Info = "日志清理"
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logClean.Curr = 86400
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logClean.Every = 86400
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cron_infos = append(cron_infos, logClean)
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}
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}
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//存入redis
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json_data, err := json.Marshal(cron_infos)
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if err != nil {
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fmt.Println("ReadConfigToSetSystem Error encoding config,value is :", cron_infos)
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} else {
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worker.SetRedis(key, string(json_data))
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}
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}
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func RunGeneralCron() {
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//redis添加通用定时任务
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key := "cron_info"
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//日志清理
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res := worker.GetRedis(key)
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var cron_infos []proto.CronInfo
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if res != "" {
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err := json.Unmarshal([]byte(res), cron_infos)
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if err != nil {
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fmt.Println("RunGeneralCron Error decoding config,key value is :", res)
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}
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for _, v := range cron_infos {
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//1:日志清理，其他待定
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if v.Type == 1 {
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//日志清理
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if v.Curr <= 0 {
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//执行日志清理
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go dao.DeleteLog(proto.Config.LOG_SAVE_DAYS)
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v.Curr = v.Every
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} else {
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v.Curr -= 10
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}
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}
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}
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//存入redis
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json_data, err := json.Marshal(cron_infos)
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if err != nil {
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fmt.Println("RunGeneralCron Error encoding config,value is :", cron_infos)
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} else {
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worker.SetRedis(key, string(json_data))
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}
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}
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}
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// 用户功能拦截,返回true表示拦截，false表示不拦截
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func UserFuncIntercept(id int, url string) bool {
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//先查看是否有权限
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user := dao.FindUserByUserID(id)
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//如果用户有权限，则不拦截
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for k, v := range proto.Per_menu_map {
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if strings.Contains(url, k) {
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if v == 1 && user.VideoFunc == true {
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return false
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}
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if v == 2 && user.DeviceFunc == true {
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return false
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}
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if v == 3 && user.CIDFunc == true {
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return false
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}
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}
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}
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if strings.Contains(url, "/callback") {
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return false
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}
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return true
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}
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