135 lines
2.6 KiB
Go
135 lines
2.6 KiB
Go
package message
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import (
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"bytes"
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"crypto/hmac"
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"crypto/sha256"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"time"
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)
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type response struct {
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Code int `json:"errcode"`
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Msg string `json:"errmsg"`
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}
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type Dtalk struct {
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AccessToken string
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Secret string
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}
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func (t *Dtalk) Request(msg interface{}) ([]byte, error) {
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b, err := json.Marshal(msg)
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if err != nil {
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return nil, err
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}
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resp, err := http.Post(t.getURL(), "application/json", bytes.NewBuffer(b))
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if err != nil {
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return nil, err
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}
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defer func(Body io.ReadCloser) {
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err := Body.Close()
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if err != nil {
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}
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}(resp.Body)
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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var r response
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err = json.Unmarshal(body, &r)
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if err != nil {
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return body, err
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}
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if r.Code != 0 {
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return body, errors.New(fmt.Sprintf("response error: %s", string(body)))
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}
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return body, err
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}
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// SendMessageText Function to send message
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func (t *Dtalk) SendMessageText(text string, at ...string) ([]byte, error) {
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msg := map[string]interface{}{
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"msgtype": "text",
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"text": map[string]string{
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"content": text,
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},
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}
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// 添加@功能
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if len(at) > 0 {
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atMobiles := []string{}
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isAtAll := false
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for _, mobile := range at {
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if mobile == "all" || mobile == "@all" {
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isAtAll = true
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} else {
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atMobiles = append(atMobiles, mobile)
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}
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}
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msg["at"] = map[string]interface{}{
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"atMobiles": atMobiles,
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"isAtAll": isAtAll,
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}
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}
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resp, err := t.Request(msg)
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return resp, err
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}
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func (t *Dtalk) SendMessageMarkdown(title, text string, at ...string) ([]byte, error) {
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msg := map[string]interface{}{
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"msgtype": "markdown",
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"markdown": map[string]string{
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"title": title,
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"text": text,
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},
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}
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// 添加@功能
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if len(at) > 0 {
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atMobiles := []string{}
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isAtAll := false
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for _, mobile := range at {
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if mobile == "all" || mobile == "@all" {
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isAtAll = true
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} else {
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atMobiles = append(atMobiles, mobile)
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}
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}
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msg["at"] = map[string]interface{}{
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"atMobiles": atMobiles,
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"isAtAll": isAtAll,
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}
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}
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resp, err := t.Request(msg)
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return resp, err
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}
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func (t *Dtalk) hmacSha256(stringToSign string, secret string) string {
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h := hmac.New(sha256.New, []byte(secret))
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h.Write([]byte(stringToSign))
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return base64.StdEncoding.EncodeToString(h.Sum(nil))
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}
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func (t *Dtalk) getURL() string {
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wh := "https://oapi.dingtalk.com/robot/send?access_token=" + t.AccessToken
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timestamp := time.Now().UnixNano() / 1e6
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stringToSign := fmt.Sprintf("%d\n%s", timestamp, t.Secret)
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sign := t.hmacSha256(stringToSign, t.Secret)
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url := fmt.Sprintf("%s×tamp=%d&sign=%s", wh, timestamp, sign)
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return url
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}
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