85 lines
2.5 KiB
JavaScript
85 lines
2.5 KiB
JavaScript
'use strict';
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module.exports.create = function (defaults) {
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var handlers = {
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getOptions: function () {
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return defaults;
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}
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//
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// set,get,remove challenges
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//
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// Note: this is fine for a one-off CLI tool
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// but a webserver using node-cluster or multiple
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// servers should use a database of some sort
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, _challenges: {}
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, set: function (args, domain, token, secret, cb) {
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handlers._challenges[token] = secret;
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cb(null);
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}
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, get: function (args, domain, token, cb) {
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// TODO keep in mind that, generally get args are just args.domains
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// and it is disconnected from the flow of setChallenge and removeChallenge
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cb(null, handlers._challenges[token]);
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}
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, remove: function (args, domain, token, cb) {
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delete handlers._challenges[token];
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cb(null);
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}
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, loopback: function (defaults, domain, challenge, done) {
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var hostname = domain + (defaults.loopbackPort ? ':' + defaults.loopbackPort : '');
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var urlstr = 'http://' + hostname + '/.well-known/acme-challenge/' + key;
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require('http').get(urlstr, function (res) {
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if (200 !== res.statusCode) {
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done(new Error("local loopback failed with statusCode " + res.statusCode));
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return;
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}
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var chunks = [];
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res.on('data', function (chunk) {
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chunks.push(chunk);
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});
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res.on('end', function () {
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var str = Buffer.concat(chunks).toString('utf8').trim();
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done(null, str);
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});
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}).setTimeout(defaults.loopbackTimeout, function () {
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done(new Error("loopback timeout, could not reach server"));
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}).on('error', function (err) {
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done(err);
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});
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}
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, test: function (args, domain, challenge, keyAuthorization, done) {
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var me = this;
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var key = keyAuthorization || challenge;
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me.set(args, domain, challenge, key, function (err) {
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if (err) { done(err); return; }
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myDefaults.loopbackPort = args.loopbackPort;
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myDefaults.webrootPath = args.webrootPath;
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me.loopback(args, domain, challenge, function (err, _key) {
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if (err) { done(err); return; }
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if (key !== _key) {
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err = new Error("keyAuthorization [original] '" + key + "'"
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+ " did not match [result] '" + _key + "'");
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return;
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}
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me.remove(myDefaults, domain, challenge, function (_err) {
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if (_err) { done(_err); return; }
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done(err);
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});
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});
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});
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}
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};
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return handlers;
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};
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