67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
// src/helper/proxy/index.ts
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var hopByHopHeaders = [
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"connection",
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"keep-alive",
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"proxy-authenticate",
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"proxy-authorization",
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"te",
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"trailers",
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"transfer-encoding"
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];
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var buildRequestInitFromRequest = (request) => {
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if (!request) {
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return {};
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}
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const headers = new Headers(request.headers);
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hopByHopHeaders.forEach((header) => {
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headers.delete(header);
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});
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return {
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method: request.method,
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body: request.body,
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duplex: request.body ? "half" : void 0,
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headers,
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signal: request.signal
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};
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};
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var preprocessRequestInit = (requestInit) => {
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if (!requestInit.headers || Array.isArray(requestInit.headers) || requestInit.headers instanceof Headers) {
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return requestInit;
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}
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const headers = new Headers();
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for (const [key, value] of Object.entries(requestInit.headers)) {
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if (value == null) {
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headers.delete(key);
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} else {
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headers.set(key, value);
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}
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}
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requestInit.headers = headers;
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return requestInit;
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};
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var proxy = async (input, proxyInit) => {
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const { raw, customFetch, ...requestInit } = proxyInit instanceof Request ? { raw: proxyInit } : proxyInit ?? {};
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const req = new Request(input, {
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...buildRequestInitFromRequest(raw),
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...preprocessRequestInit(requestInit)
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});
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req.headers.delete("accept-encoding");
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const res = await (customFetch || fetch)(req);
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const resHeaders = new Headers(res.headers);
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hopByHopHeaders.forEach((header) => {
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resHeaders.delete(header);
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});
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if (resHeaders.has("content-encoding")) {
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resHeaders.delete("content-encoding");
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resHeaders.delete("content-length");
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}
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return new Response(res.body, {
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status: res.status,
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statusText: res.statusText,
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headers: resHeaders
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});
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};
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export {
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proxy
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};
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