310 lines
15 KiB
JavaScript
310 lines
15 KiB
JavaScript
'use strict';
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/*global Promise*/
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var PromiseA;
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var util = require('util');
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if (!util.promisify) {
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try {
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PromiseA = require('bluebird');
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util.promisify = PromiseA.promisify;
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} catch(e) {
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console.error("Your version of node is missing Promise. Please run `npm install --save bluebird` in your project to fix");
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process.exit(10);
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}
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}
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if ('undefined' !== typeof Promise) { PromiseA = Promise; }
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var fs = require('fs');
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var path = require('path');
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var readFileAsync = util.promisify(fs.readFile);
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var writeFileAsync = util.promisify(fs.writeFile);
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var sfs = require('safe-replace');
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var mkdirpAsync = util.promisify(require('mkdirp'));
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var os = require("os");
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// create():
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// Your storage plugin may take special options, or it may not.
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// If it does, document to your users that they must call create() with those options.
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// If you user does not call create(), greenlock will call it for you with the options it has.
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// It's kind of stupid, but it's done this way so that it can be more convenient for users to not repeat shared options
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// (such as the config directory), but sometimes configs would clash. I hate having ambiguity, so I may change this in
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// a future version, but it's very much an issue of "looks cleaner" vs "behaves cleaner".
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module.exports.create = function (config) {
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// This file has been laid out in the order that options are used and calls are made
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// SNICallback() // le-sni-auto has a cache
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// greenlock.approveDomains()
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// // you get opts.domain passed to you from SNI
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// // you should set opts.subject as the cert "id" domain
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// // you should set opts.domains as all domains on the cert
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// // you should set opts.account.id, otherwise opts.email will be used
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// greenlock.store.certificates.checkAsync() // on success -> SNI cache, on fail -> checkAccount
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// greenlock.store.accounts.checkAsync() // optional (you can always return null)
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// greenlock.store.accounts.checkKeypairAsync()
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// greenlock.core.RSA.generateKeypair() // TODO double check name
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// greenlock.core.accounts.register() // TODO double check name
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// greenlock.store.accounts.setKeypairAsync() // TODO make sure this only happens on generate
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// greenlock.store.accounts.setAsync() // optional
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// greenlock.store.certificates.checkKeypairAsync()
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// greenlock.core.RSA.generateKeypair() // TODO double check name
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// greenlock.core.certificates.register() // TODO double check name
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// greenlock.store.certificates.setKeypairAsync()
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// greenlock.store.certificates.setAsync()
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// store
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// Bear in mind that the only time any of this gets called is on first access after startup, new registration, and
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// renewal - so none of this needs to be particularly fast. It may need to be memory efficient, however - if you have
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// more than 10,000 domains, for example.
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var store = {};
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// options:
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//
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// If your module requires options (i.e. file paths or database urls) you should check what you get from create()
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// and copy over the things you'll use into this options object. You should also merge in any defaults for options
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// that have not been set. This object should not be circular, should not be changed after it is set, and should
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// contain every property that you can use, using falsey JSON-able values like 0, null, false, or '' for "unset"
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// values.
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// See the note on create() above.
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store.options = mergeOptions(config);
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// set and check account keypairs and account data
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store.accounts = {};
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// set and check domain keypairs and domain certificates
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store.certificates = {};
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// certificates.checkAsync({ subject, ... }):
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//
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// The first check is that a certificate looked for by its subject (primary domain name).
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// If that lookup succeeds, then nothing else needs to happen. Otherwise accounts.checkAsync will happen next.
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// The only input you need to be concerned with is opts.subject (which falls back to opts.domains[0] if not set).
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// And since this is called after `approveDomains()`, any options that you set there will be available here too.
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store.certificates.checkAsync = function (opts) {
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// { certificate.id, subject, domains, ... }
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var id = opts.certificate && opts.certificate.id || opts.subject;
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//console.log('certificates.checkAsync for', opts.domain, opts.subject, opts.domains);
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//console.log(opts);
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// Just to show that any options set in approveDomains() will be available here
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// (the same is true for all of the hooks in this file)
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if (opts.exampleThrowError) { return PromiseA.reject(new Error("You want an error? You got it!")); }
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if (opts.exampleReturnNull) { return PromiseA.resolve(null); }
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if (opts.exampleReturnCerts) { return PromiseA.resolve(opts.exampleReturnCerts); }
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var liveDir = opts.liveDir || path.join(opts.configDir, 'live', opts.subject);
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// TODO this shouldn't be necessary here (we should get it from checkKeypairAsync)
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var privkeyPath = opts.privkeyPath || opts.domainKeyPath || path.join(liveDir, 'privkey.pem');
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var certPath = opts.certPath || path.join(liveDir, 'cert.pem');
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var chainPath = opts.chainPath || path.join(liveDir, 'chain.pem');
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return PromiseA.all([
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// all other PEM files are arrangements of these three
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readFileAsync(tameWild(privkeyPath, id), 'ascii') // 0
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, readFileAsync(tameWild(certPath, id), 'ascii') // 1
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, readFileAsync(tameWild(chainPath, id), 'ascii') // 2
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]).then(function (all) {
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// Success
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return {
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privkey: all[0]
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, cert: all[1]
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, chain: all[2]
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// When using a database, these should be retrieved too
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// (when not available they'll be generated from cert-info)
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//, subject: certinfo.subject
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//, altnames: certinfo.altnames
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//, issuedAt: certinfo.issuedAt // a.k.a. NotBefore
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//, expiresAt: certinfo.expiresAt // a.k.a. NotAfter
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};
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}).catch(function (err) {
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// Non-success
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if ('ENOENT' === err.code) { return null; }
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// Failure
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throw err;
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});
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};
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// accounts.checkAsync({ accountId, email, [...] }): // Optional
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//
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// This is where you promise an account corresponding to the given the email and ID. All options set in
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// approveDomains() are also available. You can ignore them unless your implementation is using them in some way.
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//
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// Since accounts are based on public key, the act of creating a new account or returning an existing account
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// are the same in regards to the API and so we don't really need to store the account id or retrieve it.
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// This method only needs to be implemented if you need it for your own purposes
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//
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// On Success: Promise.resolve({ id, keypair, ... }) - an id and, for backwards compatibility, the abstract keypair
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// On Failure: Promise.resolve(null) - do not return undefined, do not throw, do not reject
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// On Error: Promise.reject(new Error("something descriptive for the user"))
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store.accounts.checkAsync = function (/*opts*/) {
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//var id = opts.account.id || 'single-user';
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//console.log('accounts.checkAsync for', id);
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return PromiseA.resolve(null);
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};
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// accounts.checkKeypairAsync({ email, ... }):
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//
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// Same rules as above apply, except for the private key of the account, not the account object itself.
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//
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// On Success: Promise.resolve({ ... }) - the abstract object representing the keypair
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// On Failure: Promise.resolve(null) - do not return undefined, do not throw, do not reject
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// On Error: Promise.reject(new Error("something descriptive for the user"))
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store.accounts.checkKeypairAsync = function (opts) {
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var id = opts.account.id || 'single-user';
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//console.log('accounts.checkKeypairAsync for', id);
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if (!opts.account.id) { return PromiseA.reject(new Error("'account.id' should have been set in approveDomains()")); }
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var pathname = path.join(tameWild(opts.accountsDir, opts.subject), sanitizeFilename(id) + '.json');
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return readFileAsync(tameWild(pathname, opts.subject), 'utf8').then(function (blob) {
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// keypair is an opaque object that should be treated as blob
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return JSON.parse(blob);
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}).catch(function (err) {
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if ('ENOENT' === err.code) { return null; }
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throw err;
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});
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};
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// accounts.setKeypairAsync({ keypair, email, ... }):
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//
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// The keypair details (RSA, ECDSA, etc) are chosen either by the greenlock defaults, global user defaults,
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// or whatever you set in approveDomains(). This is called *after* the account is successfully created.
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//
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// On Success: Promise.resolve(null) - just knowing the operation is successful will do
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// On Error: Promise.reject(new Error("something descriptive for the user"))
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store.accounts.setKeypairAsync = function (opts, keypair) {
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var id = opts.account.id || 'single-user';
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//console.log('accounts.setKeypairAsync for', id);
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keypair = opts.keypair || keypair;
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if (!opts.account.id) { return PromiseA.reject(new Error("'account.id' should have been set in approveDomains()")); }
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return mkdirpAsync(tameWild(opts.accountsDir, opts.subject)).then(function () {
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// keypair is an opaque object that should be treated as blob
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var pathname = tameWild(path.join(opts.accountsDir, sanitizeFilename(id) + '.json'), opts.subject);
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return writeFileAsync(tameWild(pathname, opts.subject), JSON.stringify(keypair), 'utf8');
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});
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};
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// accounts.setAsync({ account, keypair, email, ... }):
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//
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// The account details, from ACME, if everything is successful. Unless you need to do something with those account
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// details, this implementation can remain empty.
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//
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// On Success: Promise.resolve(null||{ id }) - do not return undefined, do not throw, do not reject
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// On Error: Promise.reject(new Error("something descriptive for the user"))
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store.accounts.setAsync = function (/*opts*/) {
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//receipt = opts.receipt || receipt;
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//console.log('account.setAsync:', receipt);
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return PromiseA.resolve(null);
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};
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// certificates.checkKeypairAsync({ subject, ... }):
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//
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// Same rules as certificates.checkAsync apply, except for the private key of the certificate, not the public
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// certificate itself (similar to accounts.checkKeyPairAsync, but for certs).
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store.certificates.checkKeypairAsync = function (opts) {
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//console.log('certificates.checkKeypairAsync:');
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var liveDir = opts.liveDir || path.join(opts.configDir, 'live', opts.subject);
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var privkeyPath = opts.privkeyPath || opts.domainKeyPath || path.join(liveDir, 'privkey.pem');
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return readFileAsync(tameWild(privkeyPath, opts.subject), 'ascii').then(function (key) {
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// keypair is normally an opaque object, but here it's a pem for the filesystem
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return { privateKeyPem: key };
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}).catch(function (err) {
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if ('ENOENT' === err.code) { return null; }
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throw err;
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});
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};
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// certificates.setKeypairAsync({ domain, keypair, ... }):
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//
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// Same as accounts.setKeypairAsync, but by domains rather than email / accountId
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store.certificates.setKeypairAsync = function (opts, keypair) {
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keypair = opts.keypair || keypair;
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var liveDir = opts.liveDir || path.join(opts.configDir, 'live', opts.subject);
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var privkeyPath = opts.privkeyPath || opts.domainKeyPath || path.join(liveDir, 'privkey.pem');
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// keypair is normally an opaque object, but here it's a PEM for the FS
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return mkdirpAsync(tameWild(path.dirname(privkeyPath), opts.subject)).then(function () {
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return writeFileAsync(tameWild(privkeyPath, opts.subject), keypair.privateKeyPem, 'ascii').then(function () {
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return null;
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});
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});
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};
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// certificates.setAsync({ domain, certs, ... }):
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//
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// This is where certificates are set, as well as certinfo
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store.certificates.setAsync = function (opts) {
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//console.log('certificates.setAsync:');
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//console.log(opts.domain, '<=', opts.subject);
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var pems = {
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privkey: opts.pems.privkey
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, cert: opts.pems.cert
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, chain: opts.pems.chain
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};
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var liveDir = opts.liveDir || path.join(opts.configDir, 'live', opts.subject);
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var certPath = opts.certPath || path.join(liveDir, 'cert.pem');
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var fullchainPath = opts.fullchainPath || path.join(liveDir, 'fullchain.pem');
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var chainPath = opts.chainPath || path.join(liveDir, 'chain.pem');
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//var privkeyPath = opts.privkeyPath || opts.domainKeyPath || path.join(liveDir, 'privkey.pem');
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var bundlePath = opts.bundlePath || path.join(liveDir, 'bundle.pem');
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return mkdirpAsync(path.dirname(tameWild(certPath, opts.subject))).then(function () {
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return mkdirpAsync(path.dirname(tameWild(chainPath, opts.subject))).then(function () {
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return mkdirpAsync(path.dirname(tameWild(fullchainPath, opts.subject))).then(function () {
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return mkdirpAsync(path.dirname(tameWild(bundlePath, opts.subject))).then(function () {
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var fullchainPem = [ pems.cert, pems.chain ].join('\n'); // for Apache, Nginx, etc
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var bundlePem = [ pems.privkey, pems.cert, pems.chain ].join('\n'); // for HAProxy
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return PromiseA.all([
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sfs.writeFileAsync(tameWild(certPath, opts.subject), pems.cert, 'ascii')
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, sfs.writeFileAsync(tameWild(chainPath, opts.subject), pems.chain, 'ascii')
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// Most web servers need these two
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, sfs.writeFileAsync(tameWild(fullchainPath, opts.subject), fullchainPem, 'ascii')
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// HAProxy needs "bundle.pem" aka "combined.pem"
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, sfs.writeFileAsync(tameWild(bundlePath, opts.subject), bundlePem, 'ascii')
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]);
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});
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});
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});
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}).then(function () {
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return null;
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});
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};
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return store;
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};
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var defaults = {
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configDir: path.join(os.homedir(), 'acme', 'etc')
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, accountsDir: path.join(':configDir', 'accounts', ':serverDir')
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, serverDirGet: function (copy) {
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return (copy.server || '').replace('https://', '').replace(/(\/)$/, '').replace(/\//g, path.sep);
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}
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, privkeyPath: path.join(':configDir', 'live', ':hostname', 'privkey.pem')
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, fullchainPath: path.join(':configDir', 'live', ':hostname', 'fullchain.pem')
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, certPath: path.join(':configDir', 'live', ':hostname', 'cert.pem')
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, chainPath: path.join(':configDir', 'live', ':hostname', 'chain.pem')
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, bundlePath: path.join(':configDir', 'live', ':hostname', 'bundle.pem')
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};
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function mergeOptions(configs) {
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if (!configs.domainKeyPath) {
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configs.domainKeyPath = configs.privkeyPath || defaults.privkeyPath;
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}
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Object.keys(defaults).forEach(function (key) {
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if (!configs[key]) {
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configs[key] = defaults[key];
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}
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});
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return configs;
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}
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function sanitizeFilename(id) {
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return id.replace(/(\.\.)|\\|\//g, '_').replace(/[^!-~]/g, '_');
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}
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// because not all file systems like '*' in a name (and they're scary)
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function tameWild(path, wild) {
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var tame = wild.replace(/\*/g, '_');
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return path.replace(wild, tame);
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}
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