186 lines
3.8 KiB
Go
186 lines
3.8 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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dtn "github.com/JetBlink/dingtalk-notify-go-sdk"
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"github.com/ehlxr/ddgo/pkg"
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"io"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"time"
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log "unknwon.dev/clog/v2"
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)
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var (
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dingTalk *dtn.Robot
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limiter *pkg.LimiterServer
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)
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func init() {
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initLog()
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}
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func main() {
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pkg.ParseArg()
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dingTalk = dtn.NewRobot(pkg.Opts.Robot.Token, pkg.Opts.Robot.Secret)
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// 每个机器人每分钟最多发送 20 条。如果超过 20 条,会限流 10 分钟 https://ding-doc.dingtalk.com/doc#/serverapi2/krgddi/3446b47e
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limiter = pkg.NewLimiterServer(1*time.Minute, 20)
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start()
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}
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func start() {
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mux := http.NewServeMux()
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mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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switch r.Header.Get("Content-Type") {
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case "application/json":
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handlePostJson(w, r)
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case "application/x-www-form-urlencoded":
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handlePostForm(w, r)
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}
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})
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server := &http.Server{
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Addr: pkg.Opts.Addr,
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Handler: mux,
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}
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quit := make(chan os.Signal)
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signal.Notify(quit, os.Interrupt)
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go func() {
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<-quit
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if err := server.Shutdown(context.Background()); err != nil {
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log.Fatal("Shutdown server:", err)
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}
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}()
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log.Info("Starting HTTP server on http://%s", pkg.Opts.Addr)
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if err := server.ListenAndServe(); err != nil {
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if err == http.ErrServerClosed {
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log.Info("Server closed under request")
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} else {
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log.Fatal("Server closed unexpected")
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}
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}
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}
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func initLog() {
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err := log.NewConsole()
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if err != nil {
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panic("unable to create new logger: " + err.Error())
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}
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err = log.NewFile(log.FileConfig{
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Level: log.LevelInfo,
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Filename: "./logs/ddgo.log",
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FileRotationConfig: log.FileRotationConfig{
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Rotate: true,
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Daily: true,
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},
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})
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if err != nil {
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panic("unable to create new logger: " + err.Error())
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}
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}
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func handlePostForm(w http.ResponseWriter, r *http.Request) {
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err := r.ParseForm()
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if err != nil {
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log.Error("parse request form %+v",
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err)
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_, _ = io.WriteString(w,
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fmt.Sprintf("parse request form %+v", err))
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return
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}
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if err = sendMessage(&Message{
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r.Form.Get("content"),
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r.Form.Get("at"),
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r.Form.Get("app"),
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r.Form.Get("dt"),
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r.Form.Get("ds"),
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}); err != nil {
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http.Error(w, err.Error(), 400)
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log.Error(err.Error())
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return
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}
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_, _ = io.WriteString(w, "success")
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return
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}
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func handlePostJson(w http.ResponseWriter, r *http.Request) {
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if r.Body == nil {
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http.Error(w, "Please sendMessage a request body", 400)
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log.Error("Please sendMessage a request body")
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return
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}
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m := &Message{}
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err := json.NewDecoder(r.Body).Decode(m)
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if err != nil {
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http.Error(w, err.Error(), 400)
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log.Error(err.Error())
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return
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}
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if err = sendMessage(m); err != nil {
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http.Error(w, err.Error(), 400)
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log.Error(err.Error())
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return
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}
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_, _ = io.WriteString(w, "success")
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return
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}
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type Message struct {
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Content string `json:"content" desc:"消息内容"`
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At string `json:"at" desc:"被@人的手机号"`
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App string `json:"app" desc:"发送消息应用名称(添加到消息之前)"`
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Dt string `json:"dt" desc:"钉钉机器人 token"`
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Ds string `json:"ds" desc:"钉钉机器人签名 secret"`
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}
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func sendMessage(m *Message) error {
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if m.Content == "" {
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return errors.New("content must not be null")
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}
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ats := pkg.Opts.Robot.AtMobiles
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if m.At != "" {
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ats = append(ats, strings.Split(m.At, ",")...)
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}
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if m.App != "" {
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m.Content = fmt.Sprintf("%s\n%s", m.App, m.Content)
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}
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dtRobot := dingTalk
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if m.Ds != "" && m.Dt != "" {
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dtRobot = dtn.NewRobot(m.Dt, m.Ds)
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}
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if limiter.IsAvailable() {
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err := dtRobot.SendTextMessage(m.Content, ats, pkg.Opts.Robot.IsAtAll)
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if err != nil {
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return err
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}
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log.Info("sendMessage message <%s> success", m.Content)
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} else {
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return errors.New("dingTalk 1 m allow sendMessage 20 msg. msg discarded")
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}
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return nil
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}
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