refactor: optimize json parser

src/common/server/http.ts

@@ -11,37 +11,21 @@ export abstract class HttpServerBase {
 
     constructor() {
         this.expressAPP = express();
-        this.expressAPP.use(express.urlencoded({extended: true, limit: "500mb"}));
-        // 自定义JSON解析中间件，避免有些人不填写Content-Type导致无法解析JSON
-        const customJsonParser = (req, res, next) => {
-            // 确保我们只处理`POST`请求
-            if (req.method === 'POST') {
-                // 临时存储请求体数据
-                let data = '';
-
-                // 监听data事件以收集数据片段
-                req.on('data', chunk => {
-                    data += chunk;
-                });
-
-                // 数据接收完成
-                req.on('end', () => {
-                    if (data) {
-                        try {
-                            // 尝试解析JSON
-                            req.body = JSON.parse(data);
-                        } catch (error) {
-                            // 解析失败，返回错误响应
-                            return res.status(400).send('Invalid JSON');
-                        }
-                    }
-                    next();
-                });
-            } else {
+        this.expressAPP.use(express.urlencoded({extended: true, limit: "5000mb"}));
+        this.expressAPP.use((req, res, next) => {
+            // 兼容处理没有带content-type的请求
+            // log("req.headers['content-type']", req.headers['content-type'])
+            req.headers['content-type'] = 'application/json';
+            const originalJson = express.json({limit: "5000mb"});
+            // 调用原始的express.json()处理器
+            originalJson(req, res, (err) => {
+                if (err) {
+                    log("Error parsing JSON:", err);
+                    return res.status(400).send("Invalid JSON");
+                }
                 next();
-            }
-        };
-        this.expressAPP.use(customJsonParser);
+            });
+        });
     }
 
     authorize(req: Request, res: Response, next: () => void) {