44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
const dns = require('dns');
|
||
|
|
const util = require('util');
|
||
|
|
|
||
|
|
const REQUEST_TIMEOUT = 10000;
|
||
|
|
|
||
|
|
// callback(err, data)
|
||
|
|
async function externalRequest(transport, options, callback) {
|
||
|
|
// perform the DNS lookup manually so that the HTTP host header generated by
|
||
|
|
// http.get will contain the IP address, this is needed because since Chrome
|
||
|
|
// 66 the host header cannot contain an host name different than localhost
|
||
|
|
// (see https://github.com/cyrus-and/chrome-remote-interface/issues/340)
|
||
|
|
if (!options.useHostName) {
|
||
|
|
try {
|
||
|
|
const {address} = await util.promisify(dns.lookup)(options.host);
|
||
|
|
options.host = address;
|
||
|
|
} catch (err) {
|
||
|
|
callback(err);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// perform the actual request
|
||
|
|
const request = transport.get(options, (response) => {
|
||
|
|
let data = '';
|
||
|
|
response.on('data', (chunk) => {
|
||
|
|
data += chunk;
|
||
|
|
});
|
||
|
|
response.on('end', () => {
|
||
|
|
if (response.statusCode === 200) {
|
||
|
|
callback(null, data);
|
||
|
|
} else {
|
||
|
|
callback(new Error(data));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
request.setTimeout(REQUEST_TIMEOUT, () => {
|
||
|
|
request.abort();
|
||
|
|
});
|
||
|
|
request.on('error', callback);
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = externalRequest;
|