"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var proxy_exports = {};
__export(proxy_exports, {
proxy: () => proxy
});
module.exports = __toCommonJS(proxy_exports);
var import_http_exception = require("../../http-exception");
const hopByHopHeaders = [
"connection",
"keep-alive",
"proxy-authenticate",
"proxy-authorization",
"te",
"trailer",
"transfer-encoding",
"upgrade"
];
const ALLOWED_TOKEN_PATTERN = /^[!#$%&'*+\-.0-9A-Z^_`a-z|~]+$/;
const buildRequestInitFromRequest = (request, strictConnectionProcessing) => {
if (!request) {
return {};
}
const headers = new Headers(request.headers);
if (strictConnectionProcessing) {
const connectionValue = headers.get("connection");
if (connectionValue) {
const headerNames = connectionValue.split(",").map((h) => h.trim());
const invalidHeaders = headerNames.filter((h) => !ALLOWED_TOKEN_PATTERN.test(h));
if (invalidHeaders.length > 0) {
throw new import_http_exception.HTTPException(400, {
message: `Invalid Connection header value: ${invalidHeaders.join(", ")}`
});
}
headerNames.forEach((headerName) => {
headers.delete(headerName);
});
}
}
hopByHopHeaders.forEach((header) => {
headers.delete(header);
});
return {
method: request.method,
body: request.body,
duplex: request.body ? "half" : void 0,
headers,
signal: request.signal
};
};
const preprocessRequestInit = (requestInit) => {
if (!requestInit.headers || Array.isArray(requestInit.headers) || requestInit.headers instanceof Headers) {
return requestInit;
}
const headers = new Headers();
for (const [key, value] of Object.entries(requestInit.headers)) {
if (value == null) {
headers.delete(key);
} else {
headers.set(key, value);
}
}
requestInit.headers = headers;
return requestInit;
};
const proxy = async (input, proxyInit) => {
const {
raw,
customFetch,
strictConnectionProcessing = false,
...requestInit
} = proxyInit instanceof Request ? { raw: proxyInit } : proxyInit ?? {};
const req = new Request(input, {
...buildRequestInitFromRequest(raw, strictConnectionProcessing),
...preprocessRequestInit(requestInit)
});
req.headers.delete("accept-encoding");
const res = await (customFetch || fetch)(req);
const resHeaders = new Headers(res.headers);
hopByHopHeaders.forEach((header) => {
resHeaders.delete(header);
});
if (resHeaders.has("content-encoding")) {
resHeaders.delete("content-encoding");
resHeaders.delete("content-length");
}
return new Response(res.body, {
status: res.status,
statusText: res.statusText,
headers: resHeaders
});
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
proxy
});