FM / proxy

/opt/canhelp/node_modules/hono/dist/helper/proxy/

/opt/canhelp/node_modules/hono/dist/helper/proxy

Name	Size	Mode	Actions
index.js	2568	0644	edit dl rm

Edit: /opt/canhelp/node_modules/hono/dist/helper/proxy/index.js (2568B)

// src/helper/proxy/index.ts
import { HTTPException } from "../../http-exception.js";
var hopByHopHeaders = [
  "connection",
  "keep-alive",
  "proxy-authenticate",
  "proxy-authorization",
  "te",
  "trailer",
  "transfer-encoding",
  "upgrade"
];
var ALLOWED_TOKEN_PATTERN = /^[!#$%&'*+\-.0-9A-Z^_`a-z|~]+$/;
var 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 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
  };
};
var 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;
};
var 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
  });
};
export {
  proxy
};

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