acme.js/lib/node/client-user-agent.js

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'use strict';
var os = require('os');
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var ver = require('../../package.json');
var UserAgent = module.exports;
UserAgent.get = function(me) {
// ACME clients MUST have an RFC7231-compliant User-Agent
// ex: Greenlock/v3 ACME.js/v3 node/v12.0.0 darwin/17.7.0 Darwin/x64
//
// 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 =
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'ACME.js/' +
ver +
' ' +
process.release.name +
'/' +
process.version +
' ' +
os.platform() +
'/' +
os.release() +
' ' +
os.type() +
'/' +
process.arch;
var pkg = me.packageAgent;
if (pkg) {
ua = pkg + ' ' + ua;
}
return ua;
};