feat: create standalone native fnOS repository

2026-10-02 15:19:09 +08:00
parent 69f3c30fab
commit 6725fc131d
492 changed files with 94023 additions and 3 deletions
@@ -0,0 +1,78 @@
+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 != "" {
+		// 常见误填：只写 host:port（无 scheme）。补全后再解析，并校验 scheme 是否受支持
+		if !strings.Contains(proxyURL, "://") {
+			proxyURL = "http://" + proxyURL
+		}
+		parsed, err := url.Parse(proxyURL)
+		if err != nil {
+			return fmt.Errorf("Telegram 代理地址无效：%s", proxyURL)
+		}
+		switch parsed.Scheme {
+		case "http", "https", "socks5", "socks5h":
+		default:
+			return fmt.Errorf("Telegram 代理仅支持 http / https / socks5，当前为 %q", parsed.Scheme)
+		}
+		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
+}