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webhook.go
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webhook.go
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package dingtalk
import (
"context"
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"math/rand"
"net/http"
"net/url"
"time"
)
func InitDingTalk(tokens []string, key string) *DingTalk {
if len(tokens) == 0 {
panic("no token")
}
return &DingTalk{
robotToken: tokens,
keyWord: key,
}
}
func InitDingTalkWithSecret(tokens string, secret string) *DingTalk {
if len(tokens) == 0 || secret == "" {
panic("no token")
}
return &DingTalk{
robotToken: []string{tokens},
secret: secret,
}
}
func (d *DingTalk) sendMessage(msg iDingMsg) error {
var (
ctx context.Context
cancel context.CancelFunc
uri string
resp *http.Response
err error
)
ctx, cancel = context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
value := url.Values{}
value.Set("access_token", d.robotToken[rand.Intn(len(d.robotToken))])
if d.secret != "" {
t := time.Now().UnixNano() / 1e6
value.Set("timestamp", fmt.Sprintf("%d", t))
value.Set("sign", d.sign(t, d.secret))
}
uri = dingTalkURL + value.Encode()
header := map[string]string{
"Content-type": "application/json",
}
resp, err = doRequest(ctx, "POST", uri, header, msg.Marshaler())
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
body, _ := ioutil.ReadAll(resp.Body)
return fmt.Errorf("send msg err: %s, token: %s, msg: %s", string(body), d.robotToken, msg.Marshaler())
}
return nil
}
func (d *DingTalk) sign(t int64, secret string) string {
strToHash := fmt.Sprintf("%d\n%s", t, secret)
hmac256 := hmac.New(sha256.New, []byte(secret))
hmac256.Write([]byte(strToHash))
data := hmac256.Sum(nil)
return base64.StdEncoding.EncodeToString(data)
}
func (d *DingTalk) OutGoing(r io.Reader) (outGoingMsg outGoingModel, err error) {
buf, err := ioutil.ReadAll(r)
if err != nil {
return
}
err = json.Unmarshal(buf, &outGoingMsg)
return
}
func (d *DingTalk) SendTextMessage(content string, opt ...atOption) error {
content = content + d.keyWord
return d.sendMessage(NewTextMsg(content, opt...))
}
func (d *DingTalk) SendMarkDownMessage(title, text string, opts ...atOption) error {
title = title + d.keyWord
return d.sendMessage(NewMarkDownMsg(title, text, opts...))
}
// 利用dtmd发送点击消息
func (d *DingTalk) SendDTMDMessage(title string, dtmdMap *dingMap, opt ...atOption) error {
title = title + d.keyWord
return d.sendMessage(NewDTMDMsg(title, dtmdMap, opt...))
}
func (d DingTalk) SendMarkDownMessageBySlice(title string, textList []string, opts ...atOption) error {
title = title + d.keyWord
text := ""
for _, t := range textList {
text = text + "\n" + t
}
return d.sendMessage(NewMarkDownMsg(title, text, opts...))
}
func (d *DingTalk) SendLinkMessage(title, text, picUrl, msgUrl string) error {
title = title + d.keyWord
return d.sendMessage(NewLinkMsg(title, text, picUrl, msgUrl))
}
func (d *DingTalk) SendActionCardMessage(title, text string, opts ...actionCardOption) error {
title = title + d.keyWord
return d.sendMessage(NewActionCardMsg(title, text, opts...))
}
func (d *DingTalk) SendActionCardMessageBySlice(title string, textList []string, opts ...actionCardOption) error {
title = title + d.keyWord
text := ""
for _, t := range textList {
text = text + "\n" + t
}
return d.sendMessage(NewActionCardMsg(title, text, opts...))
}
func (d *DingTalk) SendFeedCardMessage(feedCard []FeedCardLinkModel) error {
if len(feedCard) > 0 {
feedCard[0].Title = feedCard[0].Title + d.keyWord
}
return d.sendMessage(NewFeedCardMsg(feedCard))
}