优化文件流处理，添加对 Bun 环境的支持，重构管道传输函数，改进内容类型获取逻辑

src/modules/fm-manager/get-content-type.ts

@@ -1,5 +1,9 @@
 import path from 'node:path';
-export const getTextContentType = (ext: string) => {
+export const getTextContentType = (filePath: string, isFilePath = false) => {
+  let ext = filePath;
+  if (isFilePath) {
+    ext = path.extname(filePath).toLowerCase();
+  }
   const textContentTypes = [
     '.tsx',
     '.jsx', //
@@ -12,17 +16,21 @@ export const getTextContentType = (ext: string) => {
     '.json5',
     '.pem',
     '.crt',
+    '.yaml',
+    '.yml',
   ];
   const include = textContentTypes.includes(ext);
-  if (!include) {
+  if (include) {
-    return {};
+    return {
+      'content-type': 'text/plain; charset=utf-8',
+    };
   }
   const contentType = getContentTypeCore(ext);
   if (!contentType) {
     return {};
   }
   return {
-    'Content-Type': contentType,
+    'content-type': contentType,
   };
 };
 // 获取文件的 content-type
@@ -76,8 +84,8 @@ export const getContentTypeCore = (extname: string) => {
     '.wasm': 'application/wasm', // WebAssembly 文件
     '.pem': 'application/x-pem-file', // PEM 证书文件
     '.crt': 'application/x-x509-ca-cert', // CRT 证书文件
-    '.yaml': 'application/x-yaml; charset=utf-8', // YAML 文件
+    '.yaml': 'application/yaml; charset=utf-8', // YAML 文件
-    '.yml': 'application/x-yaml; charset=utf-8', // YAML 文件（别名）
+    '.yml': 'application/yaml; charset=utf-8', // YAML 文件（别名）
     '.zip': 'application/octet-stream',
   };
   return contentType[extname];

src/modules/fm-manager/index.ts

@@ -9,6 +9,6 @@ export * from './get-content-type.ts'
 
 export * from './utils.ts'
 
-export { pipeFileStream, pipeStream } from './pipe.ts'
+export * from './pipe.ts'
 
 export { pipeBusboy } from './pipe-busboy.ts'

src/modules/fm-manager/pipe.ts

@@ -1,19 +1,138 @@
 import * as http from 'http';
 import * as fs from 'fs';
-import { isBun } from '../../utils/get-engine.ts';
+import { isBun } from './utils.ts';
+import Stream from 'stream';
 
+/**
+ * 文件流管道传输函数
+ * 将指定文件的内容通过流的方式传输给客户端响应
+ * @param filePath 要传输的文件路径
+ * @param res HTTP服务器响应对象
+ */
 export const pipeFileStream = (filePath: string, res: http.ServerResponse) => {
   const readStream = fs.createReadStream(filePath);
   if (isBun) {
+    // Bun环境下的流处理方式
     res.pipe(readStream as any);
   } else {
+    // Node.js标准环境下的流处理方式，end:true表示在流结束时自动关闭响应
     readStream.pipe(res, { end: true });
   }
 }
+
+/**
+ * 通用流管道传输函数
+ * 将可读流的数据传输给客户端响应
+ * @param readStream 可读流对象
+ * @param res HTTP服务器响应对象
+ */
 export const pipeStream = (readStream: fs.ReadStream, res: http.ServerResponse) => {
   if (isBun) {
+    // Bun环境下的流处理方式
     res.pipe(readStream as any);
   } else {
+    // Node.js标准环境下的流处理方式
     readStream.pipe(res, { end: true });
   }
+}
+
+export const pipeMinioStream = (minioStream: Stream.Readable, res: http.ServerResponse) => {
+  if (isBun) {
+    const chunks: Buffer[] = [];
+    // 监听数据到达事件，收集所有数据块
+    minioStream.on('data', (chunk: Buffer) => {
+      chunks.push(chunk);
+    });
+    // 监听数据结束事件，将收集的数据合并并发送给客户端
+    minioStream.on('end', () => {
+      const result = Buffer.concat(chunks);
+      res.end(result);
+    });
+
+    // 监听错误事件，处理代理响应过程中的错误
+    minioStream.on('error', (error) => {
+      res.writeHead(500);
+      res.end(JSON.stringify({ error: error.message }));
+    });
+  } else {
+    minioStream.pipe(res, { end: true });
+  }
+}
+
+/**
+ * 代理响应流传输函数
+ * 将代理服务器返回的响应数据传输给客户端
+ * 处理从目标服务器收到的响应流并转发给原始客户端
+ * @param proxyRes 代理服务器的响应对象
+ * @param res HTTP服务器响应对象
+ */
+export const pipeProxyRes = (proxyRes: http.IncomingMessage, res: http.ServerResponse) => {
+  if (isBun) {
+    // Bun环境下需要手动收集数据并end，因为Bun的pipe机制与Node.js不同
+    const chunks: Buffer[] = [];
+    // 监听数据到达事件，收集所有数据块
+    proxyRes.on('data', (chunk: Buffer) => {
+      chunks.push(chunk);
+    });
+    if (proxyRes.url === '/api/router') {
+      console.log(proxyRes.url, proxyRes.statusCode);
+    }
+    // 监听数据结束事件，将收集的数据合并并发送给客户端
+    proxyRes.on('end', () => {
+      const result = Buffer.concat(chunks).toString();
+      res.end(result);
+    });
+
+    // 监听错误事件，处理代理响应过程中的错误
+    proxyRes.on('error', (error) => {
+      res.writeHead(500);
+      res.end(JSON.stringify({ error: error.message }));
+    });
+
+  } else {
+    // Node.js标准环境下直接使用pipe进行流传输
+    proxyRes.pipe(res, { end: true });
+  }
+}
+
+/**
+ * 代理请求流传输函数
+ * 将客户端的请求数据传输给代理服务器
+ * 处理来自客户端的请求流并转发给目标服务器
+ * @param req 客户端的请求对象
+ * @param proxyReq 代理服务器的请求对象
+ */
+export const pipeProxyReq = async (req: http.IncomingMessage, proxyReq: http.ClientRequest, res: any) => {
+  if (isBun) {
+    try {
+      // @ts-ignore
+      const bunRequest = req.bun.request;
+      const contentType = req.headers['content-type'] || '';
+      if (contentType.includes('multipart/form-data')) {
+        console.log('Processing multipart/form-data');
+        const arrayBuffer = await bunRequest.arrayBuffer();
+
+        // 设置请求头（在写入数据之前）
+        proxyReq.setHeader('content-type', contentType);
+        proxyReq.setHeader('content-length', arrayBuffer.byteLength.toString());
+
+        // 写入数据并结束请求
+        if (arrayBuffer.byteLength > 0) {
+          proxyReq.write(Buffer.from(arrayBuffer));
+        }
+        proxyReq.end();
+        return;
+      }
+      console.log('Bun pipeProxyReq content-type', contentType);
+      // @ts-ignore
+      const bodyString = req.body;
+      bodyString && proxyReq.write(bodyString);
+      proxyReq.end();
+    } catch (error) {
+      proxyReq.destroy(error);
+    }
+  } else {
+    // Node.js标准环境下直接使用pipe进行流传输
+    req.pipe(proxyReq, { end: true });
+  }
 }

src/modules/fm-manager/proxy/ai-proxy.ts

@@ -5,10 +5,12 @@ import { getUserFromRequest } from '../utils.ts';
 import { UserPermission, Permission } from '@kevisual/permission';
 import { getLoginUser } from '@/modules/auth.ts';
 import busboy from 'busboy';
-import { getContentType } from '../get-content-type.ts';
+import { getContentType, getTextContentType } from '../get-content-type.ts';
 import { OssBase } from '@kevisual/oss';
 import { parseSearchValue } from '@kevisual/router/browser';
 import { logger } from '@/modules/logger.ts';
+import { pipeBusboy } from '../pipe-busboy.ts';
+import { pipeMinioStream } from '../pipe.ts';
 
 type FileList = {
   name: string;
@@ -116,12 +118,14 @@ const getAiProxy = async (req: IncomingMessage, res: ServerResponse, opts: Proxy
       etag,
       'last-modified': lastModified,
       ...filterMetaData,
+      ...getTextContentType(objectName, true),
     };
-
     res.writeHead(200, {
       ...headers,
     });
-    objectStream.pipe(res, { end: true });
+    // objectStream.pipe(res, { end: true });
+    // @ts-ignore
+    pipeMinioStream(objectStream, res);
     return true;
   } catch (error) {
     console.error(`Proxy request error: ${error.message}`);
@@ -226,7 +230,7 @@ export const postProxy = async (req: IncomingMessage, res: ServerResponse, opts:
     end({ error: err }, '文件解析失败', 500);
   });
 
-  req.pipe(bb);
+  pipeBusboy(req, res, bb);
 };
 export const getObjectName = async (req: IncomingMessage, opts?: { checkOwner?: boolean }) => {
   const _u = new URL(req.url, 'http://localhost');

src/modules/fm-manager/proxy/minio-proxy.ts

@@ -1,5 +1,6 @@
 import http from 'node:http';
 import { minioClient } from '@/modules/minio.ts';
+import { pipeMinioStream } from '../pipe.ts';
 type ProxyInfo = {
   path?: string;
   target: string;
@@ -15,7 +16,8 @@ export const minioProxyOrigin = async (req: http.IncomingMessage, res: http.Serv
       objectName = objectName.slice(bucketName.length);
     }
     const objectStream = await minioClient.getObject(bucketName, objectName);
-    objectStream.pipe(res);
+    // objectStream.pipe(res);
+    pipeMinioStream(objectStream, res);
   } catch (error) {
     console.error('Error fetching object from MinIO:', error);
     res.statusCode = 500;

src/modules/fm-manager/utils.ts

@@ -1,6 +1,12 @@
 import { IncomingMessage } from 'node:http';
 import http from 'node:http';
 import { logger } from '../logger.ts';
+export const isBun = typeof Bun !== 'undefined' && Bun?.version != null;
+
+export const isNode = typeof process !== 'undefined' && process?.versions != null && process.versions?.node != null;
+
+// @ts-ignore
+export const isDeno = typeof Deno !== 'undefined' && Deno?.version != null && Deno?.version?.deno != null;
 
 export const getUserFromRequest = (req: IncomingMessage) => {
   const url = new URL(req.url, `http://${req.headers.host}`);

src/routes-simple/minio/get-minio-resource.ts

@@ -8,6 +8,7 @@ import { bucketName } from '@/modules/minio.ts';
 import { getLoginUser } from '../middleware/auth.ts';
 import { BucketItemStat } from 'minio';
 import { UserPermission, Permission } from '@kevisual/permission';
+import { pipeMinioStream } from '@/modules/fm-manager/index.ts';
 
 /**
  * 过滤 metaData 中的 key, 去除 password, accesskey, secretkey，
@@ -101,5 +102,6 @@ export const authMinio = async (req: IncomingMessage, res: ServerResponse, objec
   });
   const objectStream = await minioClient.getObject(bucketName, objectName);
 
-  objectStream.pipe(res, { end: true });
+  // objectStream.pipe(res, { end: true });
+  pipeMinioStream(objectStream, res);
 };

src/routes-simple/page-proxy.ts

@@ -1,4 +1,4 @@
-import { getDNS, isIpv4OrIpv6, isLocalhost, pipeFileStream } from '../modules/fm-manager/index.ts';
+import { getDNS, isIpv4OrIpv6, isLocalhost, pipeFileStream, pipeProxyReq, pipeProxyRes } from '../modules/fm-manager/index.ts';
 import http from 'node:http';
 import https from 'node:https';
 import { UserApp } from '../modules/user-app/index.ts';
@@ -110,7 +110,8 @@ export const handleRequest = async (req: http.IncomingMessage, res: http.ServerR
       // 将代理服务器的响应头和状态码返回给客户端
       res.writeHead(proxyRes.statusCode, proxyRes.headers);
       // 将代理响应流写入客户端响应
-      proxyRes.pipe(res, { end: true });
+      // proxyRes.pipe(res, { end: true });
+      pipeProxyRes(proxyRes, res);
     });
     // 处理代理请求的错误事件
     proxyReq.on('error', (err) => {
@@ -119,7 +120,8 @@ export const handleRequest = async (req: http.IncomingMessage, res: http.ServerR
       res.write(`Proxy request error: ${err.message}`);
     });
     // 处理 POST 请求的请求体（传递数据到目标服务器）
-    req.pipe(proxyReq, { end: true });
+    // req.pipe(proxyReq, { end: true });
+    pipeProxyReq(req, proxyReq, res);
     return;
   }
   if (req.url.startsWith('/api') || req.url.startsWith('/v1')) {