greenlock.js/lib/core.js

519 lines
17 KiB
JavaScript

'use strict';
var PromiseA = require('bluebird');
var RSA = PromiseA.promisifyAll(require('rsa-compat').RSA);
var mkdirpAsync = PromiseA.promisify(require('mkdirp'));
var path = require('path');
var fs = PromiseA.promisifyAll(require('fs'));
var sfs = require('safe-replace');
var LE = require('../');
var LeCore = PromiseA.promisifyAll(require('letiny-core'));
var Accounts = require('./accounts');
var merge = require('./common').merge;
var tplCopy = require('./common').tplCopy;
var fetchFromConfigLiveDir = require('./common').fetchFromDisk;
var ipc = {}; // in-process cache
function getAcmeUrls(args) {
var now = Date.now();
// TODO check response header on request for cache time
if ((now - ipc.acmeUrlsUpdatedAt) < 10 * 60 * 1000) {
return PromiseA.resolve(ipc.acmeUrls);
}
return LeCore.getAcmeUrlsAsync(args.server).then(function (data) {
ipc.acmeUrlsUpdatedAt = Date.now();
ipc.acmeUrls = data;
return ipc.acmeUrls;
});
}
function readRenewalConfig(args) {
var pyconf = PromiseA.promisifyAll(require('pyconf'));
return pyconf.readFileAsync(args.renewalPath).then(function (pyobj) {
return pyobj;
}, function () {
return pyconf.readFileAsync(path.join(__dirname, 'renewal.conf.tpl')).then(function (pyobj) {
return pyobj;
});
});
}
function writeRenewalConfig(args) {
function log() {
if (args.debug) {
console.log.apply(console, arguments);
}
}
var pyobj = args.pyobj;
pyobj.checkpoints = parseInt(pyobj.checkpoints, 10) || 0;
var pyconf = PromiseA.promisifyAll(require('pyconf'));
var liveDir = args.liveDir || path.join(args.configDir, 'live', args.domains[0]);
var certPath = args.certPath || pyobj.cert || path.join(liveDir, 'cert.pem');
var fullchainPath = args.fullchainPath || pyobj.fullchain || path.join(liveDir, 'fullchain.pem');
var chainPath = args.chainPath || pyobj.chain || path.join(liveDir, 'chain.pem');
var privkeyPath = args.privkeyPath || pyobj.privkey
//|| args.domainPrivateKeyPath || args.domainKeyPath || pyobj.keyPath
|| path.join(liveDir, 'privkey.pem');
log('[le/core.js] privkeyPath', privkeyPath);
var updates = {
account: args.account.id
, configDir: args.configDir
, domains: args.domains
, email: args.email
, tos: args.agreeTos && true
// yes, it's an array. weird, right?
, webrootPath: args.webrootPath && [args.webrootPath] || []
, server: args.server || args.acmeDiscoveryUrl
, privkey: privkeyPath
, fullchain: fullchainPath
, cert: certPath
, chain: chainPath
, http01Port: args.http01Port
, keyPath: args.domainPrivateKeyPath || args.privkeyPath
, rsaKeySize: args.rsaKeySize || 2048
, checkpoints: pyobj.checkpoints
/* // TODO XXX what's the deal with these? they don't make sense
// are they just old junk? or do they have a meaning that I don't know about?
, fullchainPath: path.join(args.configDir, 'chain.pem')
, certPath: path.join(args.configDir, 'cert.pem')
, chainPath: path.join(args.configDir, 'chain.pem')
*/ // TODO XXX end
, workDir: args.workDir
, logsDir: args.logsDir
};
// final section is completely dynamic
// :hostname = :webroot_path
args.domains.forEach(function (hostname) {
updates[hostname] = args.webrootPath;
});
// must write back to the original pyobject or
// annotations will be lost
Object.keys(updates).forEach(function (key) {
pyobj[key] = updates[key];
});
return mkdirpAsync(path.dirname(args.renewalPath)).then(function () {
return pyconf.writeFileAsync(args.renewalPath, pyobj);
}).then(function () {
// NOTE
// writing twice seems to causes a bug,
// so instead we re-read the file from the disk
return pyconf.readFileAsync(args.renewalPath);
});
}
function getOrCreateRenewal(args) {
return readRenewalConfig(args).then(function (pyobj) {
var minver = pyobj.checkpoints >= 0;
args.pyobj = pyobj;
if (!minver) {
args.checkpoints = 0;
pyobj.checkpoints = 0;
return writeRenewalConfig(args);
}
// args.account.id = pyobj.account
// args.configDir = args.configDir || pyobj.configDir;
args.checkpoints = pyobj.checkpoints;
args.agreeTos = (args.agreeTos || pyobj.tos) && true;
args.email = args.email || pyobj.email;
args.domains = args.domains || pyobj.domains;
// yes, it's an array. weird, right?
args.webrootPath = args.webrootPath || pyobj.webrootPath[0];
args.server = args.server || args.acmeDiscoveryUrl || pyobj.server;
args.certPath = args.certPath || pyobj.cert;
args.privkeyPath = args.privkeyPath || pyobj.privkey;
args.chainPath = args.chainPath || pyobj.chain;
args.fullchainPath = args.fullchainPath || pyobj.fullchain;
//, workDir: args.workDir
//, logsDir: args.logsDir
args.rsaKeySize = args.rsaKeySize || pyobj.rsaKeySize || 2048;
args.http01Port = args.http01Port || pyobj.http01Port;
args.domainKeyPath = args.domainPrivateKeyPath || args.domainKeyPath || args.keyPath || pyobj.keyPath;
return writeRenewalConfig(args);
});
}
function writeCertificateAsync(args, defaults, handlers) {
function log() {
if (args.debug) {
console.log.apply(console, arguments);
}
}
log("[le/core.js] got certificate!");
var obj = args.pyobj;
var result = args.pems;
result.fullchain = result.cert + '\n' + (result.chain || result.ca);
obj.checkpoints = parseInt(obj.checkpoints, 10) || 0;
var liveDir = args.liveDir || path.join(args.configDir, 'live', args.domains[0]);
var certPath = args.certPath || obj.cert || path.join(liveDir, 'cert.pem');
var fullchainPath = args.fullchainPath || obj.fullchain || path.join(liveDir, 'fullchain.pem');
var chainPath = args.chainPath || obj.chain || path.join(liveDir, 'chain.pem');
var privkeyPath = args.privkeyPath || obj.privkey
//|| args.domainPrivateKeyPath || args.domainKeyPath || obj.keyPath
|| path.join(liveDir, 'privkey.pem');
log('[le/core.js] privkeyPath', privkeyPath);
var archiveDir = args.archiveDir || path.join(args.configDir, 'archive', args.domains[0]);
var checkpoints = obj.checkpoints.toString();
var certArchive = path.join(archiveDir, 'cert' + checkpoints + '.pem');
var fullchainArchive = path.join(archiveDir, 'fullchain' + checkpoints + '.pem');
var chainArchive = path.join(archiveDir, 'chain'+ checkpoints + '.pem');
var privkeyArchive = path.join(archiveDir, 'privkey' + checkpoints + '.pem');
return mkdirpAsync(archiveDir).then(function () {
return PromiseA.all([
sfs.writeFileAsync(certArchive, result.cert, 'ascii')
, sfs.writeFileAsync(chainArchive, (result.chain || result.ca), 'ascii')
, sfs.writeFileAsync(fullchainArchive, result.fullchain, 'ascii')
, sfs.writeFileAsync(
privkeyArchive
// TODO nix args.key, args.domainPrivateKeyPem ??
, (result.privkey || result.key) || RSA.exportPrivatePem(args.domainKeypair)
, 'ascii'
)
]);
}).then(function () {
return mkdirpAsync(liveDir);
}).then(function () {
return PromiseA.all([
sfs.writeFileAsync(certPath, result.cert, 'ascii')
, sfs.writeFileAsync(chainPath, (result.chain || result.ca), 'ascii')
, sfs.writeFileAsync(fullchainPath, result.fullchain, 'ascii')
, sfs.writeFileAsync(
privkeyPath
// TODO nix args.key, args.domainPrivateKeyPem ??
, (result.privkey || result.key) || RSA.exportPrivatePem(args.domainKeypair)
, 'ascii'
)
]);
}).then(function () {
obj.checkpoints += 1;
args.checkpoints += 1;
return writeRenewalConfig(args);
}).then(function () {
var getCertInfo = require('./cert-info').getCertInfo;
// XXX Note: Parsing the certificate info comes at a great cost (~500kb)
var certInfo = getCertInfo(result.cert);
return {
certPath: certPath
, chainPath: chainPath
, fullchainPath: fullchainPath
, privkeyPath: privkeyPath
// TODO nix keypair
, keypair: args.domainKeypair
// TODO nix args.key, args.domainPrivateKeyPem ??
// some ambiguity here...
, privkey: (result.privkey || result.key) || RSA.exportPrivatePem(args.domainKeypair)
, fullchain: result.fullchain || (result.cert + '\n' + result.chain)
, chain: (result.chain || result.ca)
// especially this one... might be cert only, might be fullchain
, cert: result.cert
, issuedAt: Date(certInfo.notBefore.value).valueOf() // Date.now()
, expiresAt: Date(certInfo.notAfter.value).valueOf()
, lifetime: defaults.lifetime || handlers.lifetime
};
});
}
function getCertificateAsync(args, defaults, handlers) {
function log() {
if (args.debug || defaults.debug) {
console.log.apply(console, arguments);
}
}
var account = args.account;
var promise;
var keypairOpts = { public: true, pem: true };
log('[le/core.js] domainKeyPath:', args.domainKeyPath);
promise = fs.readFileAsync(args.domainKeyPath, 'ascii').then(function (pem) {
return RSA.import({ privateKeyPem: pem });
}, function (/*err*/) {
return RSA.generateKeypairAsync(args.rsaKeySize || 2048, 65537, keypairOpts).then(function (keypair) {
return mkdirpAsync(path.dirname(args.domainKeyPath)).then(function () {
return fs.writeFileAsync(args.domainKeyPath, keypair.privateKeyPem, 'ascii').then(function () {
return keypair;
});
});
});
});
return promise.then(function (domainKeypair) {
log("[le/core.js] get certificate");
args.domainKeypair = domainKeypair;
//args.registration = domainKey;
return LeCore.getCertificateAsync({
debug: args.debug
, newAuthzUrl: args._acmeUrls.newAuthz
, newCertUrl: args._acmeUrls.newCert
, accountKeypair: RSA.import(account.keypair)
, domainKeypair: domainKeypair
, domains: args.domains
, challengeType: args.challengeType || 'http-01'
//
// IMPORTANT
//
// setChallenge and removeChallenge are handed defaults
// instead of args because getChallenge does not have
// access to args
// (args is per-request, defaults is per instance)
//
, setChallenge: function (domain, key, value, done) {
var copy = merge(defaults, { domains: [domain] });
tplCopy(copy);
args.domains = [domain];
args.webrootPath = args.webrootPath;
if (4 === handlers.setChallenge.length) {
handlers.setChallenge(copy, key, value, done);
}
else if (5 === handlers.setChallenge.length) {
handlers.setChallenge(copy, domain, key, value, done);
}
else {
done(new Error("handlers.setChallenge receives the wrong number of arguments"));
}
}
, removeChallenge: function (domain, key, done) {
var copy = merge(defaults, { domains: [domain] });
tplCopy(copy);
if (3 === handlers.removeChallenge.length) {
handlers.removeChallenge(copy, key, done);
}
else if (4 === handlers.removeChallenge.length) {
handlers.removeChallenge(copy, domain, key, done);
}
else {
done(new Error("handlers.removeChallenge receives the wrong number of arguments"));
}
}
});
}).then(function (results) {
// { cert, chain, fullchain, privkey }
args.pems = results;
return writeCertificateAsync(args, defaults, handlers);
});
}
function getOrCreateDomainCertificate(args, defaults, handlers) {
if (args.duplicate) {
// we're forcing a refresh via 'dupliate: true'
return getCertificateAsync(args, defaults, handlers);
}
return fetchFromConfigLiveDir(args).then(function (certs) {
var halfLife = certs && ((certs.expiresAt - certs.issuedAt) / 2);
if (!certs || (Date.now() - certs.issuedAt) > halfLife) {
// There is no cert available
// Or the cert is more than half-expired
return getCertificateAsync(args, defaults, handlers);
}
return PromiseA.reject(new Error(
"[ERROR] Certificate issued at '"
+ new Date(certs.issuedAt).toISOString() + "' and expires at '"
+ new Date(certs.expiresAt).toISOString() + "'. Ignoring renewal attempt until half-life at '"
+ new Date(certs.issuedA + halfLife).toISOString() + "'. Set { duplicate: true } to force."
));
});
}
// returns 'account' from lib/accounts { meta, regr, keypair, accountId (id) }
function getOrCreateAcmeAccount(args, defaults, handlers) {
function log() {
if (args.debug) {
console.log.apply(console, arguments);
}
}
var pyconf = PromiseA.promisifyAll(require('pyconf'));
return pyconf.readFileAsync(args.renewalPath).then(function (renewal) {
var accountId = renewal.account;
renewal = renewal.account;
return accountId;
}, function (err) {
if ("ENOENT" === err.code) {
log("[le/core.js] try email");
return Accounts.getAccountIdByEmail(args, handlers);
}
return PromiseA.reject(err);
}).then(function (accountId) {
// Note: the ACME urls are always fetched fresh on purpose
return getAcmeUrls(args).then(function (urls) {
args._acmeUrls = urls;
if (accountId) {
log('[le/core.js] use account');
args.accountId = accountId;
return Accounts.getAccount(args, handlers);
} else {
log('[le/core.js] create account');
return Accounts.createAccount(args, handlers);
}
});
}).then(function (account) {
/*
if (renewal.account !== account) {
// the account has become corrupt, re-register
return;
}
*/
log('[le/core.js] created account');
return account;
});
/*
return fs.readdirAsync(accountsDir, function (nodes) {
return PromiseA.all(nodes.map(function (node) {
var reMd5 = /[a-f0-9]{32}/i;
if (reMd5.test(node)) {
}
}));
});
*/
}
module.exports.create = function (defaults, handlers) {
defaults.server = defaults.server || LE.liveServer;
var wrapped = {
registerAsync: function (args) {
var copy;
// TODO move these defaults elsewhere?
//args.renewalDir = args.renewalDir || ':config/renewal/';
args.renewalPath = args.renewalPath || ':config/renewal/:hostname.conf';
// Note: the /directory is part of the server url and, as such, bleeds into the pathname
// So :config/accounts/:server/directory is *incorrect*, but the following *is* correct:
args.accountsDir = args.accountsDir || ':config/accounts/:server';
copy = merge(args, defaults);
tplCopy(copy);
var url = require('url');
var acmeLocation = url.parse(copy.server);
var acmeHostpath = path.join(acmeLocation.hostname, acmeLocation.pathname);
copy.renewalPath = copy.renewalPath || path.join(copy.configDir, 'renewal', copy.domains[0] + '.conf');
copy.accountsDir = copy.accountsDir || path.join(copy.configDir, 'accounts', acmeHostpath);
return getOrCreateAcmeAccount(copy, defaults, handlers).then(function (account) {
copy.account = account;
return getOrCreateRenewal(copy).then(function (pyobj) {
copy.pyobj = pyobj;
return getOrCreateDomainCertificate(copy, defaults, handlers);
});
}).then(function (result) {
return result;
}, function (err) {
return PromiseA.reject(err);
});
}
, fetchAsync: function (args) {
var copy = merge(args, defaults);
tplCopy(copy);
return fetchFromConfigLiveDir(copy, defaults);
}
, configureAsync: function (hargs) {
hargs.renewalPath = hargs.renewalPath || ':config/renewal/:hostname.conf';
var copy = merge(hargs, defaults);
tplCopy(copy);
return getOrCreateAcmeAccount(copy, defaults, handlers).then(function (account) {
copy.account = account;
return getOrCreateRenewal(copy);
});
}
, getConfigAsync: function (hargs) {
hargs.renewalPath = hargs.renewalPath || ':config/renewal/:hostname.conf';
hargs.domains = [];
var copy = merge(hargs, defaults);
tplCopy(copy);
return readRenewalConfig(copy).then(function (pyobj) {
var exists = pyobj.checkpoints >= 0;
if (!exists) {
return null;
}
return pyobj;
});
}
, getConfigsAsync: function (hargs) {
hargs.renewalDir = hargs.renewalDir || ':config/renewal/';
hargs.renewalPath = hargs.renewalPath || ':config/renewal/:hostname.conf';
hargs.domains = [];
var copy = merge(hargs, defaults);
tplCopy(copy);
return fs.readdirAsync(copy.renewalDir).then(function (nodes) {
nodes = nodes.filter(function (node) {
return /^[a-z0-9]+.*\.conf$/.test(node);
});
return PromiseA.all(nodes.map(function (node) {
copy.domains = [node.replace(/\.conf$/, '')];
return wrapped.getConfigAsync(copy);
}));
});
}
};
return wrapped;
};