70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
|
package notify
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"context"
|
||
|
|
"encoding/json"
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
"net/http"
|
||
|
|
"net/url"
|
||
|
|
"strings"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
func SendTelegram(ctx context.Context, client *http.Client, cfg RuntimeConfig, content AlertContent) error {
|
||
|
|
token := strings.TrimSpace(cfg.TelegramToken)
|
||
|
|
if token == "" {
|
||
|
|
return fmt.Errorf("Telegram Bot Token 未配置")
|
||
|
|
}
|
||
|
|
chatID := strings.TrimSpace(cfg.Telegram.ChatID)
|
||
|
|
if chatID == "" {
|
||
|
|
return fmt.Errorf("Telegram Chat ID 未配置")
|
||
|
|
}
|
||
|
|
|
||
|
|
payload := map[string]string{
|
||
|
|
"chat_id": chatID,
|
||
|
|
"text": content.HTMLBody,
|
||
|
|
"parse_mode": "HTML",
|
||
|
|
}
|
||
|
|
body, _ := json.Marshal(payload)
|
||
|
|
endpoint := "https://api.telegram.org/bot" + token + "/sendMessage"
|
||
|
|
|
||
|
|
req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, bytes.NewReader(body))
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
req.Header.Set("Content-Type", "application/json")
|
||
|
|
|
||
|
|
httpClient := client
|
||
|
|
if httpClient == nil {
|
||
|
|
httpClient = &http.Client{Timeout: 15 * time.Second}
|
||
|
|
}
|
||
|
|
if proxyURL := strings.TrimSpace(cfg.Telegram.ProxyURL); proxyURL != "" {
|
||
|
|
parsed, err := url.Parse(proxyURL)
|
||
|
|
if err != nil {
|
||
|
|
return fmt.Errorf("Telegram 代理地址无效")
|
||
|
|
}
|
||
|
|
httpClient = &http.Client{
|
||
|
|
Timeout: 15 * time.Second,
|
||
|
|
Transport: &http.Transport{
|
||
|
|
Proxy: http.ProxyURL(parsed),
|
||
|
|
},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
resp, err := httpClient.Do(req)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
defer resp.Body.Close()
|
||
|
|
if resp.StatusCode >= 400 {
|
||
|
|
raw, _ := io.ReadAll(io.LimitReader(resp.Body, 512))
|
||
|
|
if len(raw) > 0 {
|
||
|
|
return fmt.Errorf("Telegram 请求失败 (%d): %s", resp.StatusCode, strings.TrimSpace(string(raw)))
|
||
|
|
}
|
||
|
|
return fmt.Errorf("Telegram 请求失败 (%d)", resp.StatusCode)
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|