fix: vercel 403

app/api/chat/route.ts

@@ -0,0 +1,121 @@
+export async function POST(req: Request) {
+  // 从请求头中读取上游 URL
+  const headers = new Headers(req.headers);
+  const upstreamUrl = headers.get("Upstream-Url");
+  console.log("headers:", headers);
+  if (!upstreamUrl) {
+    throw new Error("Upstream URL not specified in headers");
+  }
+  try {
+    // 创建新 URL
+    const url = new URL(req.url);
+    const apiPath = url.pathname.replace("/api", "");
+    const upstreamEndpoint = upstreamUrl + apiPath;
+
+    // 创建新请求的headers对象
+    const headers = new Headers(req.headers);
+    // 移除或替换可能引起问题的头部
+    // headers.delete("Host");
+    headers.delete("Content-Length");
+    headers.delete("Upstream-Url"); // 也删除上游 URL 头部，以免发送到上游服务器
+
+    // 读取并解析 JSON 请求体
+    const reader = req.body.getReader();
+    let requestBody = "";
+    let done, value;
+    while (!done) {
+      ({ done, value } = await reader.read());
+      if (value) {
+        requestBody += new TextDecoder().decode(value);
+      }
+    }
+
+    // 尝试解析为 JSON
+    let jsonBody;
+    try {
+      jsonBody = JSON.parse(requestBody);
+    } catch (error) {
+      throw new Error("Failed to parse request body as JSON");
+    }
+
+    // 使用fetch方法转发请求到上游服务器
+    const response = await fetch(upstreamEndpoint, {
+      method: "POST",
+      headers: headers,
+      body: JSON.stringify(jsonBody), // 确保将请求体转换为字符串
+    });
+    console.log("headers:", headers);
+    console.log("req.body:", jsonBody);
+    // 将响应数据发送回客户端
+    return new Response(response.body, {
+      status: response.status,
+      headers: response.headers,
+    });
+  } catch (error) {
+    // 错误处理
+    console.error(error);
+    return new Response(
+      JSON.stringify({ error: "Internal Server Error in NEXT" }),
+      {
+        status: 500,
+        headers: {
+          "Content-Type": "application/json",
+        },
+      }
+    );
+  }
+}
+
+export async function GET(req: Request) {
+  // 从请求头中读取上游 URL
+  const headers = new Headers(req.headers);
+  const upstreamUrl = headers.get("Upstream-Url");
+  if (!upstreamUrl) {
+    throw new Error("Upstream URL not specified in headers");
+  }
+  try {
+    // 创建新 URL
+    const url = new URL(req.url);
+    const apiPath = url.pathname.replace(/\/api\/paper|\/api/g, "");
+
+    const upstreamEndpoint = upstreamUrl + apiPath + url.search;
+
+    // 创建新请求的headers对象
+    const headers = new Headers(req.headers);
+    // 移除或替换可能引起问题的头部
+    headers.delete("Host");
+    headers.delete("Upstream-Url"); // 也删除上游 URL 头部，以免发送到上游服务器
+
+    // 使用fetch方法转发请求到上游服务器
+    const response = await fetch(upstreamEndpoint, {
+      method: "GET",
+      headers: headers,
+    });
+    console.log("response:", response);
+    // 将响应数据发送回客户端
+    let text = await response.text();
+    console.log("text", text);
+    return new Response(text, {
+      headers: headers,
+      status: response.status,
+    });
+  } catch (error) {
+    // 错误处理
+    console.error(error);
+    return new Response(
+      JSON.stringify({ error: "Internal Server Error in NEXT" }),
+      {
+        status: 500,
+        headers: {
+          "Content-Type": "application/json",
+        },
+      }
+    );
+  }
+}
+
+// const nextConfig = {
+//   trailingSlash: true,
+// };
+
+// export default nextConfig;

next.config.js

@@ -3,18 +3,18 @@ const nextConfig = {
   typescript: {
     ignoreBuildErrors: true,
   },
-  // async rewrites() {
-  //   return [
-  //     {
-  //       source: "/api/v1/chat/completions", // 用户访问的路径
-  //       destination: "/api/chat", // 实际上被映射到的路径
-  //     },
-  //     {
-  //       source: "/api/paper", // 另一个用户访问的路径
-  //       destination: "/api/chat", // 同样被映射到 common-route
-  //     },
-  //   ];
-  // },
+  async rewrites() {
+    return [
+      {
+        source: "/api/v1/chat/completions", // 用户访问的路径
+        destination: "/api/chat", // 实际上被映射到的路径
+      },
+      {
+        source: "/api/paper", // 另一个用户访问的路径
+        destination: "/api/chat", // 同样被映射到 common-route
+      },
+    ];
+  },
 };
 
 module.exports = nextConfig;