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'use strict';
const url = require('url');
const getProxy = require('get-proxy');
const isurl = require('isurl');
const tunnelAgent = require('tunnel-agent');
const urlToOptions = require('url-to-options');
module.exports = (proxy, opts) => {
proxy = proxy || getProxy();
opts = Object.assign({}, opts);
if (typeof proxy === 'object') {
opts = proxy;
proxy = getProxy();
}
if (!proxy) {
return null;
}
proxy = isurl.lenient(proxy) ? urlToOptions(proxy) : url.parse(proxy);
const uriProtocol = opts.protocol === 'https' ? 'https' : 'http';
const proxyProtocol = proxy.protocol === 'https:' ? 'Https' : 'Http';
const port = proxy.port || (proxyProtocol === 'Https' ? 443 : 80);
const method = `${uriProtocol}Over${proxyProtocol}`;
delete opts.protocol;
return tunnelAgent[method](Object.assign({
proxy: {
port,
host: proxy.hostname,
proxyAuth: proxy.auth
}
}, opts));
};
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