65 lines
1.5 KiB
TypeScript
65 lines
1.5 KiB
TypeScript
async function proxyRequest(request: Request, method: string) {
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const { searchParams } = new URL(request.url);
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const target = searchParams.get("url");
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if (!target) {
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return new Response(
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JSON.stringify({ error: "Missing `url` query parameter." }),
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{
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status: 400,
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headers: { "Content-Type": "application/json" },
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}
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);
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}
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const targetUrl = new URL(target);
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const headers = new Headers(request.headers);
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headers.delete("host");
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headers.delete("accept-encoding"); // ! important
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const init: RequestInit = {
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method,
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headers,
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body: method === "GET" || method === "HEAD" ? undefined : request.body,
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};
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if (init.body !== undefined) {
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(init as any).duplex = "half";
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}
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const response = await fetch(targetUrl, init);
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const responseHeaders = new Headers(response.headers);
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responseHeaders.delete("content-encoding"); // ! important
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return new Response(response.body, {
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status: response.status,
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headers: responseHeaders,
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});
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}
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export async function GET(request: Request) {
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return proxyRequest(request, "GET");
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}
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export async function HEAD(request: Request) {
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return proxyRequest(request, "HEAD");
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}
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export async function POST(request: Request) {
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return proxyRequest(request, "POST");
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}
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export async function PUT(request: Request) {
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return proxyRequest(request, "PUT");
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}
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export async function DELETE(request: Request) {
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return proxyRequest(request, "DELETE");
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}
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export async function PATCH(request: Request) {
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return proxyRequest(request, "PATCH");
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}
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