greenlock.js/index.js

247 lines
8.1 KiB
JavaScript

'use strict';
// TODO handle www and no-www together somehow?
var PromiseA = require('bluebird');
var leCore = require('letiny-core');
var merge = require('./lib/common').merge;
var tplCopy = require('./lib/common').tplCopy;
var LE = module.exports;
LE.productionServerUrl = leCore.productionServerUrl;
LE.stagingServerUrl = leCore.stagingServerUrl;
LE.configDir = leCore.configDir;
LE.logsDir = leCore.logsDir;
LE.workDir = leCore.workDir;
LE.acmeChallengPrefix = leCore.acmeChallengPrefix;
LE.knownEndpoints = leCore.knownEndpoints;
LE.privkeyPath = ':config/live/:hostname/privkey.pem';
LE.fullchainPath = ':config/live/:hostname/fullchain.pem';
LE.certPath = ':config/live/:hostname/cert.pem';
LE.chainPath = ':config/live/:hostname/chain.pem';
LE.renewalPath = ':config/renewal/:hostname.conf';
LE.accountsDir = ':config/accounts/:server';
LE.defaults = {
privkeyPath: LE.privkeyPath
, fullchainPath: LE.fullchainPath
, certPath: LE.certPath
, chainPath: LE.chainPath
, renewalPath: LE.renewalPath
, accountsDir: LE.accountsDir
, server: LE.productionServerUrl
};
// backwards compat
LE.stagingServer = leCore.stagingServerUrl;
LE.liveServer = leCore.productionServerUrl;
LE.knownUrls = leCore.knownEndpoints;
LE.merge = require('./lib/common').merge;
LE.tplConfigDir = require('./lib/common').tplConfigDir;
// backend, defaults, handlers
LE.create = function (defaults, handlers, backend) {
if (!backend) { backend = require('./lib/core'); }
if (!handlers) { handlers = {}; }
if (!handlers.lifetime) { handlers.lifetime = 90 * 24 * 60 * 60 * 1000; }
if (!handlers.renewWithin) { handlers.renewWithin = 3 * 24 * 60 * 60 * 1000; }
if (!handlers.memorizeFor) { handlers.memorizeFor = 1 * 24 * 60 * 60 * 1000; }
if (!handlers.sniRegisterCallback) {
handlers.sniRegisterCallback = function (args, cache, cb) {
// TODO when we have ECDSA, just do this automatically
cb(null, null);
};
}
if (!handlers.getChallenge) {
if (!defaults.manual && !defaults.webrootPath) {
// GET /.well-known/acme-challenge/{{challengeKey}} should return {{tokenValue}}
throw new Error("handlers.getChallenge or defaults.webrootPath must be set");
}
handlers.getChallenge = function (hostname, key, done) {
// TODO associate by hostname?
// hmm... I don't think there's a direct way to associate this with
// the request it came from... it's kinda stateless in that way
// but realistically there only needs to be one handler and one
// "directory" for this. It's not that big of a deal.
var defaultos = LE.merge(defaults, {});
var getChallenge = require('./lib/default-handlers').getChallenge;
var copy = merge(defaults, { domains: [hostname] });
tplCopy(copy);
defaultos.domains = [hostname];
if (3 === getChallenge.length) {
getChallenge(defaultos, key, done);
}
else if (4 === getChallenge.length) {
getChallenge(defaultos, hostname, key, done);
}
else {
done(new Error("handlers.getChallenge [1] receives the wrong number of arguments"));
}
};
}
if (!handlers.setChallenge) {
if (!defaults.webrootPath) {
// GET /.well-known/acme-challenge/{{challengeKey}} should return {{tokenValue}}
throw new Error("handlers.setChallenge or defaults.webrootPath must be set");
}
handlers.setChallenge = require('./lib/default-handlers').setChallenge;
}
if (!handlers.removeChallenge) {
if (!defaults.webrootPath) {
// GET /.well-known/acme-challenge/{{challengeKey}} should return {{tokenValue}}
throw new Error("handlers.removeChallenge or defaults.webrootPath must be set");
}
handlers.removeChallenge = require('./lib/default-handlers').removeChallenge;
}
if (!handlers.agreeToTerms) {
if (defaults.agreeTos) {
console.warn("[WARN] Agreeing to terms by default is risky business...");
}
handlers.agreeToTerms = require('./lib/default-handlers').agreeToTerms;
}
if ('function' === typeof backend.create) {
backend = backend.create(defaults, handlers);
}
else {
// ignore
// this backend was created the v1.0.0 way
}
// replaces strings of workDir, certPath, etc
// if they have :config/etc/live or :conf/etc/archive
// to instead have the path of the configDir
LE.tplConfigDir(defaults.configDir, defaults);
backend = PromiseA.promisifyAll(backend);
var utils = require('./lib/common');
//var attempts = {}; // should exist in master process only
var le;
// TODO check certs on initial load
// TODO expect that certs expire every 90 days
// TODO check certs with setInterval?
//options.cacheContextsFor = options.cacheContextsFor || (1 * 60 * 60 * 1000);
le = {
backend: backend
, pyToJson: function (pyobj) {
if (!pyobj) {
return null;
}
var jsobj = {};
Object.keys(pyobj).forEach(function (key) {
jsobj[key] = pyobj[key];
});
jsobj.__lines = undefined;
jsobj.__keys = undefined;
return jsobj;
}
, register: function (args, cb) {
if (defaults.debug || args.debug) {
console.log('[LE] register');
}
if (!Array.isArray(args.domains)) {
cb(new Error('args.domains should be an array of domains'));
return;
}
var copy = LE.merge(defaults, args);
var err;
if (!utils.isValidDomain(args.domains[0])) {
err = new Error("invalid domain name: '" + args.domains + "'");
err.code = "INVALID_DOMAIN";
cb(err);
return;
}
if ((!args.domains.length && args.domains.every(le.isValidDomain))) {
// NOTE: this library can't assume to handle the http loopback
// (or dns-01 validation may be used)
// so we do not check dns records or attempt a loopback here
cb(new Error("node-letsencrypt: invalid hostnames: " + args.domains.join(',')));
return;
}
if (defaults.debug || args.debug) {
console.log("[NLE]: begin registration");
}
return backend.registerAsync(copy).then(function (pems) {
if (defaults.debug || args.debug) {
console.log("[NLE]: end registration");
}
cb(null, pems);
//return le.fetch(args, cb);
}, cb);
}
, fetch: function (args, cb) {
if (defaults.debug || args.debug) {
console.log('[LE] fetch');
}
return backend.fetchAsync(args).then(function (certInfo) {
if (args.debug) {
console.log('[LE] raw fetch certs', certInfo && Object.keys(certInfo));
}
if (!certInfo) { cb(null, null); return; }
// key, cert, issuedAt, lifetime, expiresAt
if (!certInfo.expiresAt) {
certInfo.expiresAt = certInfo.issuedAt + (certInfo.lifetime || handlers.lifetime);
}
if (!certInfo.lifetime) {
certInfo.lifetime = (certInfo.lifetime || handlers.lifetime);
}
// a pretty good hard buffer
certInfo.expiresAt -= (1 * 24 * 60 * 60 * 100);
cb(null, certInfo);
}, cb);
}
, getConfig: function (args, cb) {
if (defaults.debug || args.debug) {
console.log('[LE] getConfig');
}
backend.getConfigAsync(args).then(function (pyobj) {
cb(null, le.pyToJson(pyobj));
}, function (err) {
console.error("[letsencrypt/index.js] getConfig");
console.error(err.stack);
return cb(null, []);
});
}
, getConfigs: function (args, cb) {
if (defaults.debug || args.debug) {
console.log('[LE] getConfigs');
}
backend.getConfigsAsync(args).then(function (configs) {
cb(null, configs.map(le.pyToJson));
}, function (err) {
if ('ENOENT' === err.code) {
cb(null, []);
} else {
console.error("[letsencrypt/index.js] getConfigs");
console.error(err.stack);
cb(err);
}
});
}
, setConfig: function (args, cb) {
if (defaults.debug || args.debug) {
console.log('[LE] setConfig');
}
backend.configureAsync(args).then(function (pyobj) {
cb(null, le.pyToJson(pyobj));
});
}
};
return le;
};