kang
36117144dc
修改 .env.example，优化API配置说明并明确线上环境要求。更新多语言错误提示，确保用户在未启用API代理时获得清晰反馈。重构API代理逻辑，移除开发代理文件，简化代码结构，提升可维护性。
70 lines
1.8 KiB
TypeScript
70 lines
1.8 KiB
TypeScript
import { type NextRequest, NextResponse } from "next/server";
|
||
|
||
import { lotteryApiOrigin } from "@/lib/lottery-api-base";
|
||
|
||
const HOP_BY_HOP = new Set([
|
||
"connection",
|
||
"keep-alive",
|
||
"proxy-authenticate",
|
||
"proxy-authorization",
|
||
"te",
|
||
"trailers",
|
||
"transfer-encoding",
|
||
"upgrade",
|
||
]);
|
||
|
||
/** fetch 会解压 gzip，须去掉这些头，否则浏览器 ERR_CONTENT_DECODING_FAILED */
|
||
const STRIP_RESPONSE_HEADERS = [
|
||
...HOP_BY_HOP,
|
||
"content-encoding",
|
||
"content-length",
|
||
];
|
||
|
||
/** 浏览器请求同源 `/api/*`，Next 转发到 `LOTTERY_API_UPSTREAM`（本地/线上同一套）。 */
|
||
export async function proxyLotteryApi(
|
||
request: NextRequest,
|
||
pathSegments: string[],
|
||
): Promise<NextResponse> {
|
||
const path = pathSegments.join("/");
|
||
const target = `${lotteryApiOrigin()}/api/${path}${request.nextUrl.search}`;
|
||
|
||
const headers = new Headers(request.headers);
|
||
headers.delete("host");
|
||
headers.delete("connection");
|
||
headers.delete("accept-encoding");
|
||
|
||
const init: RequestInit = {
|
||
method: request.method,
|
||
headers,
|
||
redirect: "manual",
|
||
};
|
||
|
||
if (request.method !== "GET" && request.method !== "HEAD") {
|
||
init.body = await request.arrayBuffer();
|
||
}
|
||
|
||
let upstream: Response;
|
||
try {
|
||
upstream = await fetch(target, init);
|
||
} catch (error: unknown) {
|
||
return NextResponse.json(
|
||
{
|
||
msg: "Upstream Laravel unreachable",
|
||
target,
|
||
error: error instanceof Error ? error.message : "Unknown error",
|
||
},
|
||
{ status: 502 },
|
||
);
|
||
}
|
||
const responseHeaders = new Headers(upstream.headers);
|
||
for (const name of STRIP_RESPONSE_HEADERS) {
|
||
responseHeaders.delete(name);
|
||
}
|
||
|
||
return new NextResponse(upstream.body, {
|
||
status: upstream.status,
|
||
statusText: upstream.statusText,
|
||
headers: responseHeaders,
|
||
});
|
||
}
|