greenlock.js/lib/accounts.js

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'use strict';
var PromiseA = require('bluebird');
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var crypto = require('crypto');
var LeCore = require('letiny-core');
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var RSA = PromiseA.promisifyAll(require('rsa-compat').RSA);
var path = require('path');
var mkdirpAsync = PromiseA.promisify(require('mkdirp'));
var fs = PromiseA.promisifyAll(require('fs'));
function createAccount(args, handlers) {
var os = require("os");
var localname = os.hostname();
// arg.rsaBitLength args.rsaExponent
return RSA.generateKeypairAsync(args.rsaKeySize || 2048, 65537, { public: true, pem: true }).then(function (keypair) {
return LeCore.registerNewAccountAsync({
email: args.email
, newRegUrl: args._acmeUrls.newReg
, agreeToTerms: function (tosUrl, agree) {
// args.email = email; // already there
args.tosUrl = tosUrl;
handlers.agreeToTerms(args, agree);
}
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, accountKeypair: keypair
, debug: args.debug || handlers.debug
}).then(function (body) {
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// TODO XXX use sha256 (the python client uses md5)
// TODO ssh fingerprint (noted on rsa-compat issues page, I believe)
keypair.publicKeyMd5 = crypto.createHash('md5').update(RSA.exportPublicPem(keypair)).digest('hex');
keypair.publicKeySha256 = crypto.createHash('sha256').update(RSA.exportPublicPem(keypair)).digest('hex');
var accountId = keypair.publicKeyMd5;
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var accountDir = path.join(args.accountsDir, accountId);
var regr = { body: body };
args.accountId = accountId;
args.accountDir = accountDir;
return mkdirpAsync(accountDir).then(function () {
var isoDate = new Date().toISOString();
var accountMeta = {
creation_host: localname
, creation_dt: isoDate
};
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// TODO abstract file writing
return PromiseA.all([
// meta.json {"creation_host": "ns1.redirect-www.org", "creation_dt": "2015-12-11T04:14:38Z"}
fs.writeFileAsync(path.join(accountDir, 'meta.json'), JSON.stringify(accountMeta), 'utf8')
// private_key.json { "e", "d", "n", "q", "p", "kty", "qi", "dp", "dq" }
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, fs.writeFileAsync(path.join(accountDir, 'private_key.json'), JSON.stringify(RSA.exportPrivateJwk(keypair)), 'utf8')
// regr.json:
/*
{ body: { contact: [ 'mailto:coolaj86@gmail.com' ],
agreement: 'https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf',
key: { e: 'AQAB', kty: 'RSA', n: '...' } },
uri: 'https://acme-v01.api.letsencrypt.org/acme/reg/71272',
new_authzr_uri: 'https://acme-v01.api.letsencrypt.org/acme/new-authz',
terms_of_service: 'https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf' }
*/
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, fs.writeFileAsync(path.join(accountDir, 'regr.json'), JSON.stringify(regr), 'utf8')
]).then(function () {
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var pems = {};
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// pems.private_key;
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pems.meta = accountMeta;
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pems.keypair = keypair;
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pems.regr = regr;
pems.accountId = accountId;
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pems.id = accountId;
return pems;
});
});
});
});
}
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function getAccount(args, handlers) {
var accountId = args.accountId;
var accountDir = path.join(args.accountsDir, accountId);
var files = {};
var configs = ['meta.json', 'private_key.json', 'regr.json'];
return PromiseA.all(configs.map(function (filename) {
var keyname = filename.slice(0, -5);
return fs.readFileAsync(path.join(accountDir, filename), 'utf8').then(function (text) {
var data;
try {
data = JSON.parse(text);
} catch(e) {
files[keyname] = { error: e };
return;
}
files[keyname] = data;
}, function (err) {
files[keyname] = { error: err };
});
})).then(function () {
if (!Object.keys(files).every(function (key) {
return !files[key].error;
})) {
// TODO log renewal.conf
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console.warn("Account '" + accountId + "' was corrupt. No big deal (I think?). Creating a new one...");
//console.log(accountId, files);
return createAccount(args, handlers);
}
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var keypair = { privateKeyJwk: files.private_key };
keypair.privateKeyPem = RSA.exportPrivatePem(keypair);
keypair.publicKeyPem = RSA.exportPublicPem(keypair);
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//files.private_key;
//files.regr;
//files.meta;
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files.accountId = accountId; // preserve current account id
files.id = accountId;
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files.keypair = keypair;
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return files;
});
}
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function getAccountIdByEmail(args) {
// If we read 10,000 account directories looking for
// just one email address, that could get crazy.
// We should have a folder per email and list
// each account as a file in the folder
// TODO
var email = args.email;
if ('string' !== typeof email) {
if (args.debug) {
console.log("[LE] No email given");
}
return PromiseA.resolve(null);
}
return fs.readdirAsync(args.accountsDir).then(function (nodes) {
if (args.debug) {
console.log("[LE] arg.accountsDir success");
}
return PromiseA.all(nodes.map(function (node) {
return fs.readFileAsync(path.join(args.accountsDir, node, 'regr.json'), 'utf8').then(function (text) {
var regr = JSON.parse(text);
regr.__accountId = node;
return regr;
});
})).then(function (regrs) {
var accountId;
/*
if (args.debug) {
console.log('read many regrs');
console.log('regrs', regrs);
}
*/
regrs.some(function (regr) {
return regr.body.contact.some(function (contact) {
var match = contact.toLowerCase() === 'mailto:' + email.toLowerCase();
if (match) {
accountId = regr.__accountId;
return true;
}
});
});
if (!accountId) {
return null;
}
return accountId;
});
}).then(function (accountId) {
return accountId;
}, function (err) {
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if ('ENOENT' === err.code) {
// ignore error
return null;
}
return PromiseA.reject(err);
});
}
module.exports.getAccountIdByEmail = getAccountIdByEmail;
module.exports.getAccount = getAccount;
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module.exports.createAccount = createAccount;