allinssl/backend/internal/report/feishu.go

107 lines
2.4 KiB
Go

package report
import (
"bytes"
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"net/http"
"time"
)
type FeishuReport struct {
webHookUrl string
secret string
}
func NewFeishuReport(webHookUrl, secret string) *FeishuReport {
return &FeishuReport{webHookUrl: webHookUrl, secret: secret}
}
func (f *FeishuReport) sign(params *map[string]any) error {
timestamp := time.Now().Unix()
stringToSign := fmt.Sprintf("%v", timestamp) + "\n" + f.secret
var data []byte
h := hmac.New(sha256.New, []byte(stringToSign))
_, err := h.Write(data)
if err != nil {
return fmt.Errorf("生成签名失败: %v", err)
}
signature := base64.StdEncoding.EncodeToString(h.Sum(nil))
(*params)["timestamp"] = timestamp
(*params)["sign"] = signature
return nil
}
func (f *FeishuReport) SendText(msg string) error {
data := map[string]any{
"timestamp": 0,
"content": map[string]any{
"text": msg,
},
"msg_type": "text",
"sign": "",
}
if err := f.sign(&data); err != nil {
return err
}
jsonData, err := json.Marshal(data)
if err != nil {
return err
}
req, err := http.NewRequest("POST", f.webHookUrl, bytes.NewReader(jsonData))
if err != nil {
return fmt.Errorf("创建请求失败: %v", err)
}
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("请求飞书失败: %v", err)
}
body, _ := io.ReadAll(resp.Body)
defer resp.Body.Close()
var res map[string]interface{}
err = json.Unmarshal(body, &res)
if err != nil {
return fmt.Errorf("返回值解析失败: %v", err)
}
if res["code"].(float64) != 0 {
return fmt.Errorf("发送失败: %s", res["msg"].(string))
}
return nil
}
func NotifyFeishu(params map[string]any) error {
if params == nil {
return fmt.Errorf("缺少参数")
}
providerID := params["provider_id"].(string)
providerData, err := GetReport(providerID)
if err != nil {
return err
}
configStr := providerData["config"].(string)
var config map[string]string
err = json.Unmarshal([]byte(configStr), &config)
if err != nil {
return fmt.Errorf("解析配置失败: %v", err)
}
notifyMsg := fmt.Sprintf("%s : %s", params["subject"].(string), params["body"].(string))
report := NewFeishuReport(config["webhook"], config["secret"])
err = report.SendText(notifyMsg)
if err != nil {
return fmt.Errorf("飞书发送失败: %w", err)
}
return nil
}