feat: add SLS toggle and sanitize logs

sls-logger.js

@@ -8,6 +8,7 @@
  */
 
 import ALSClient from 'aliyun-log';
+import { sanitizeForLog } from './log-sanitizer.js';
 
 // SLS 配置
 const SLS_CONFIG = {
@@ -18,8 +19,22 @@ const SLS_CONFIG = {
     logstore: process.env.ALIYUN_SLS_LOGSTORE
 };
 
+function resolveSlsEnabled() {
+    const raw = process.env.SLS_ENABLED;
+    if (raw === undefined || raw === null || String(raw).trim() === '') {
+        return process.env.NODE_ENV !== 'production';
+    }
+
+    const value = String(raw).trim().toLowerCase();
+    if (['1', 'true', 'yes', 'on'].includes(value)) return true;
+    if (['0', 'false', 'no', 'off'].includes(value)) return false;
+    return process.env.NODE_ENV !== 'production';
+}
+
+const SLS_ENABLED = resolveSlsEnabled();
+
 // 检查配置是否完整
-const isConfigured = Object.values(SLS_CONFIG).every(v => v);
+const isConfigured = SLS_ENABLED && Object.values(SLS_CONFIG).every(v => v);
 
 let client = null;
 let logQueue = [];
@@ -28,6 +43,9 @@ const FLUSH_INTERVAL_MS = 5000;
 
 // 初始化 SLS Client
 function initClient() {
+    if (!SLS_ENABLED) {
+        return null;
+    }
     if (!isConfigured) {
         console.warn('[SLS] 阿里云日志服务未配置，日志将仅输出到控制台');
         return null;
@@ -73,7 +91,7 @@ async function flushLogs() {
 // 定时刷新
 let flushTimer = null;
 function startFlushTimer() {
-    if (flushTimer || !isConfigured) return;
+    if (!SLS_ENABLED || flushTimer || !isConfigured) return;
     flushTimer = setInterval(flushLogs, FLUSH_INTERVAL_MS);
 }
 
@@ -90,10 +108,11 @@ function startFlushTimer() {
  * @param {string} [logData.error] - 错误信息
  */
 export function logRequest(logData) {
-    const enrichedLog = {
+    if (!SLS_ENABLED) return;
+    const enrichedLog = sanitizeForLog({
         timestamp: new Date().toISOString(),
         ...logData
-    };
+    });
 
     // 始终输出到控制台
     console.log('[SLS]', JSON.stringify(enrichedLog));
@@ -112,6 +131,7 @@ export function logRequest(logData) {
  * 优雅关闭，刷新剩余日志
  */
 export async function shutdown() {
+    if (!SLS_ENABLED) return;
     if (flushTimer) {
         clearInterval(flushTimer);
         flushTimer = null;