48 lines
1.2 KiB
TypeScript
48 lines
1.2 KiB
TypeScript
import fetch from "node-fetch";
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import https from "https";
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import { SocksProxyAgent } from "socks-proxy-agent";
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export default async function fetchHeaders(url: string) {
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if (process.env.IGNORE_URL_SIZE_LIMIT === "true") return null;
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try {
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const httpsAgent = new https.Agent({
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rejectUnauthorized:
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process.env.IGNORE_UNAUTHORIZED_CA === "true" ? false : true,
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});
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let fetchOpts = {
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method: "HEAD",
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agent: httpsAgent,
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};
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if (process.env.PROXY) {
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let proxy = new URL(process.env.PROXY);
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if (process.env.PROXY_USERNAME) {
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proxy.username = process.env.PROXY_USERNAME;
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proxy.password = process.env.PROXY_PASSWORD || "";
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}
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fetchOpts = {
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method: "HEAD",
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agent: new SocksProxyAgent(proxy.toString()),
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};
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}
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const responsePromise = fetch(url, fetchOpts);
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const timeoutPromise = new Promise((_, reject) => {
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setTimeout(() => {
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reject(new Error("Fetch header timeout"));
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}, 10 * 1000); // Stop after 10 seconds
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});
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const response = await Promise.race([responsePromise, timeoutPromise]);
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return (response as Response)?.headers || null;
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} catch (err) {
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console.log(err);
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return null;
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}
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}
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