add default User-Agent

This commit is contained in:
AJ ONeal 2020-04-28 22:43:27 -06:00
parent e22baa8eae
commit 4b9a1f07ee
2 changed files with 57 additions and 0 deletions

15
examples/postbin.js Normal file
View File

@ -0,0 +1,15 @@
'use strict';
var request = require('../');
request({
url: 'https://postb.in/1588134650162-6019286897499?hello=world'
//headers: { 'user-agent': false }
//headers: { 'user-agent': 'test/1.0' }
//userAgent: 'test/1.1' // not presently implemented
})
.then(function(resp) {
console.log(resp.body);
})
.catch(function(err) {
console.error(err);
});

View File

@ -3,6 +3,8 @@
var http = require('http');
var https = require('https');
var url = require('url');
var os = require('os');
var pkg = require('./package.json');
function debug() {
if (module.exports.debug) {
@ -237,6 +239,16 @@ function setDefaults(defs) {
finalOpts.method = opts.method;
finalOpts.headers = JSON.parse(JSON.stringify(opts.headers));
var uaHeader = getHeaderName(finalOpts, 'User-Agent') || 'User-Agent';
// set a default user-agent
if (!finalOpts.headers[uaHeader]) {
if (false === finalOpts.headers[uaHeader]) {
delete finalOpts.headers[uaHeader];
} else {
finalOpts.headers[uaHeader] = getUserAgent(opts.userAgent);
}
}
if (_body) {
// Most APIs expect (or require) Content-Length except in the case of multipart uploads
// Transfer-Encoding: Chunked (the default) is generally only well-supported downstream
@ -368,6 +380,7 @@ function setDefaults(defs) {
if ('function' === typeof _body.pipe) {
// used for chunked encoding
_body.pipe(req);
_body.on('error', cb);
} else {
// used for known content-length
req.end(_body);
@ -511,6 +524,34 @@ function setDefaults(defs) {
return smartUrequest;
}
var nodeUa =
'@root+request/' +
pkg.version +
' ' +
process.release.name +
'/' +
process.version +
' ' +
os.platform() +
'/' +
os.release() +
' ' +
os.type() +
'/' +
process.arch;
function getUserAgent(additional) {
// See https://tools.ietf.org/html/rfc8555#section-6.1
// And https://tools.ietf.org/html/rfc7231#section-5.5.3
// And https://community.letsencrypt.org/t/user-agent-flag-explained/3843/2
var ua = nodeUa;
if (additional) {
ua = additional + ' ' + ua;
}
return ua;
}
var _defaults = {
sendImmediately: true,
method: '',
@ -536,6 +577,7 @@ module.exports._keys = Object.keys(_defaults).concat([
'auth',
'formData',
'FormData'
//'userAgent'
]);
module.exports.debug =
-1 !== (process.env.NODE_DEBUG || '').split(/\s+/g).indexOf('urequest');