update

assistant/src/module/assistant/proxy/http-proxy.ts

@@ -116,4 +116,6 @@ export const httpProxy = (req: http.IncomingMessage, res: http.ServerResponse, p
   // 处理 POST 请求的请求体（传递数据到目标服务器）,end:true 表示当请求体结束时，关闭请求
   // req.pipe(proxyReq, { end: true });
   pipeProxyReq(req, proxyReq, res);
-}
+}
+
+

assistant/src/module/assistant/proxy/pipe.ts

@@ -1,6 +1,7 @@
 import * as http from 'http';
 import * as fs from 'fs';
 import { isBun } from './utils.ts';
+import { Readable } from 'stream';
 
 /**
  * 文件流管道传输函数
@@ -25,7 +26,7 @@ export const pipeFileStream = (filePath: string, res: http.ServerResponse) => {
  * @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) => {
+export const pipeStream = (readStream: fs.ReadStream | Readable, res: http.ServerResponse) => {
   if (isBun) {
     // Bun环境下的流处理方式
     res.pipe(readStream as any);

assistant/src/module/assistant/proxy/proxy.ts

@@ -1,3 +1,6 @@
+import http from 'node:http';
+import { httpProxy } from './http-proxy.ts';
+import { s3Proxy } from './s3.ts';
 export type ProxyInfo = {
   /**
    * 代理路径, 比如/root/home, 匹配的路径
@@ -10,7 +13,7 @@ export type ProxyInfo = {
   /**
    * 类型
    */
-  type?: 'file' | 'dynamic' | 'minio' | 'http';
+  type?: 'file' | 'dynamic' | 'minio' | 'http' | 's3';
   /**
    * 目标的 pathname， 默认为请求的url.pathname, 设置了pathname，则会使用pathname作为请求的url.pathname
    * @default undefined
@@ -23,40 +26,30 @@ export type ProxyInfo = {
    */
   ws?: boolean;
   /**
-   * type为file时有效
-   * 索引文件，比如index.html， type为fileProxy代理有用 设置了索引文件，如果文件不存在，则访问索引文件
-   */
+ * type为file时有效
+ * 索引文件，比如index.html， type为fileProxy代理有用 设置了索引文件，如果文件不存在，则访问索引文件
+ */
   indexPath?: string;
   /**
    * type为file时有效
    * 根路径, 默认是process.cwd(), type为fileProxy代理有用，必须为绝对路径
    */
   rootPath?: string;
+  s3?: {
+    bucket: string;
+    region: string;
+    accessKeyId: string;
+    secretAccessKey: string;
+    endpoint?: string;
+  }
 };
 
-export type ApiList = {
-  path: string;
-  /**
-   * url或者相对路径
-   */
-  target: string;
-  /**
-   * 目标地址
-   */
-  ws?: boolean;
-  /**
-   * 类型
-   */
-  type?: 'static' | 'dynamic' | 'minio';
-}[];
-
-/**
-
-[
-  {
-    path: '/api/v1/user',
-    target: 'http://localhost:3000/api/v1/user',
-    type: 'dynamic',
-  },
-]
- */
+export const proxy = (req: http.IncomingMessage, res: http.ServerResponse, proxyApi: ProxyInfo) => {
+  if (proxyApi.type === 'http' || !proxyApi.type) {
+    return httpProxy(req, res, proxyApi);
+  }
+  console.log('proxyApi', proxyApi);
+  if (proxyApi.type === 's3') {
+    return s3Proxy(req, res, proxyApi);
+  }
+}

assistant/src/module/assistant/proxy/s3.ts

@@ -0,0 +1,71 @@
+import { S3Client } from '@aws-sdk/client-s3';
+import { ProxyInfo } from './proxy.ts';
+import http from 'http';
+import { OssBase } from '@kevisual/oss/s3.ts';
+import { pipeStream } from './pipe.ts';
+import { Readable } from 'stream';
+const mapS3 = new Map<string, S3Client>();
+
+export const s3Proxy = async (req: http.IncomingMessage, res: http.ServerResponse, proxyApi: ProxyInfo) => {
+  const s3 = proxyApi.s3;
+  if (!s3) {
+    res.statusCode = 500;
+    res.end('S3 config not found');
+    return;
+  }
+  let findClient = mapS3.get(s3.accessKeyId);
+  let s3Client: S3Client;
+  if (findClient) {
+    s3Client = findClient;
+  } else {
+    s3Client = new S3Client({
+      credentials: {
+        accessKeyId: s3.accessKeyId,
+        secretAccessKey: s3.secretAccessKey,
+      },
+      region: s3.region,
+      endpoint: s3.endpoint,
+    });
+    mapS3.set(s3.accessKeyId, s3Client);
+  }
+  const oss = new OssBase({
+    client: s3Client!,
+    bucketName: s3.bucket,
+  });
+
+  const requestUrl = new URL(req.url, 'http://localhost');
+  const proxyPath = proxyApi.path || '';
+  let objectPath = requestUrl.pathname.replace(proxyPath + '/', '');
+  if (objectPath.startsWith(s3.bucket + '/')) {
+    objectPath = objectPath.replace(s3.bucket + '/', '');
+  }
+  oss.getObject(objectPath).then((response) => {
+    if (!response.Body) {
+      res.statusCode = 404;
+      res.end('Object not found');
+      return;
+    }
+    // 设置响应头
+    if (response.ContentType) {
+      res.setHeader('Content-Type', response.ContentType);
+    }
+    if (response.ContentLength) {
+      res.setHeader('Content-Length', response.ContentLength);
+    }
+    if (response.LastModified) {
+      res.setHeader('Last-Modified', response.LastModified.toUTCString());
+    }
+    if (response.ETag) {
+      res.setHeader('ETag', response.ETag);
+    }
+
+    // response.Body 已经是 Readable 流，直接 pipe 到 res
+    // (response.Body as Readable).pipe(res);
+    pipeStream(response.Body as Readable, res);
+  }).catch((err) => {
+    console.error('S3 getObject error:', err);
+    res.statusCode = 500;
+    res.end(`S3 error: ${err.message}`);
+  });
+  return;
+}