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// Copyright 2015-2019 AJ ONeal. All rights reserved
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
;(function (exports) {
var Enc = exports.Enc = {};
Enc.bufToBin = function (buf) {
var bin = '';
// cannot use .map() because Uint8Array would return only 0s
buf.forEach(function (ch) {
bin += String.fromCharCode(ch);
});
return bin;
};
Enc.bufToHex = function toHex(u8) {
var hex = [];
var i, h;
var len = (u8.byteLength || u8.length);
for (i = 0; i < len; i += 1) {
h = u8[i].toString(16);
if (h.length % 2) { h = '0' + h; }
hex.push(h);
}
return hex.join('').toLowerCase();
};
Enc.urlBase64ToBase64 = function urlsafeBase64ToBase64(str) {
var r = str % 4;
if (2 === r) {
str += '==';
} else if (3 === r) {
str += '=';
}
return str.replace(/-/g, '+').replace(/_/g, '/');
};
Enc.base64ToBuf = function (b64) {
return Enc.binToBuf(atob(b64));
};
Enc.binToBuf = function (bin) {
var arr = bin.split('').map(function (ch) {
return ch.charCodeAt(0);
});
return 'undefined' !== typeof Uint8Array ? new Uint8Array(arr) : arr;
};
Enc.bufToHex = function (u8) {
var hex = [];
var i, h;
var len = (u8.byteLength || u8.length);
for (i = 0; i < len; i += 1) {
h = u8[i].toString(16);
if (h.length % 2) { h = '0' + h; }
hex.push(h);
}
return hex.join('').toLowerCase();
};
Enc.numToHex = function (d) {
d = d.toString(16);
if (d.length % 2) {
return '0' + d;
}
return d;
};
Enc.bufToUrlBase64 = function (u8) {
return Enc.base64ToUrlBase64(Enc.bufToBase64(u8));
};
Enc.base64ToUrlBase64 = function (str) {
return str.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
};
Enc.bufToBase64 = function (u8) {
var bin = '';
u8.forEach(function (i) {
bin += String.fromCharCode(i);
});
return btoa(bin);
};
Enc.hexToBuf = function (hex) {
var arr = [];
hex.match(/.{2}/g).forEach(function (h) {
arr.push(parseInt(h, 16));
});
return 'undefined' !== typeof Uint8Array ? new Uint8Array(arr) : arr;
};
Enc.numToHex = function (d) {
d = d.toString(16);
if (d.length % 2) {
return '0' + d;
}
return d;
};
//
// JWK to SSH (tested working)
//
Enc.base64ToHex = function (b64) {
var bin = atob(Enc.urlBase64ToBase64(b64));
return Enc.binToHex(bin);
};
Enc.binToHex = function (bin) {
return bin.split('').map(function (ch) {
var h = ch.charCodeAt(0).toString(16);
if (h.length % 2) { h = '0' + h; }
return h;
}).join('');
};
// TODO are there any nuance differences here?
Enc.utf8ToHex = Enc.binToHex;
Enc.hexToBase64 = function (hex) {
return btoa(Enc.hexToBin(hex));
};
Enc.hexToBin = function (hex) {
return hex.match(/.{2}/g).map(function (h) {
return String.fromCharCode(parseInt(h, 16));
}).join('');
};
Enc.urlBase64ToBase64 = function urlsafeBase64ToBase64(str) {
var r = str % 4;
if (2 === r) {
str += '==';
} else if (3 === r) {
str += '=';
}
return str.replace(/-/g, '+').replace(/_/g, '/');
};
}('undefined' !== typeof exports ? module.exports : window ));
;(function (exports) {
'use strict';
if (!exports.ASN1) { exports.ASN1 = {}; }
if (!exports.Enc) { exports.Enc = {}; }
if (!exports.PEM) { exports.PEM = {}; }
var ASN1 = exports.ASN1;
var Enc = exports.Enc;
var PEM = exports.PEM;
//
// Packer
//
// Almost every ASN.1 type that's important for CSR
// can be represented generically with only a few rules.
exports.ASN1 = function ASN1(/*type, hexstrings...*/) {
var args = Array.prototype.slice.call(arguments);
var typ = args.shift();
var str = args.join('').replace(/\s+/g, '').toLowerCase();
var len = (str.length/2);
var lenlen = 0;
var hex = typ;
// We can't have an odd number of hex chars
if (len !== Math.round(len)) {
throw new Error("invalid hex");
}
// The first byte of any ASN.1 sequence is the type (Sequence, Integer, etc)
// The second byte is either the size of the value, or the size of its size
// 1. If the second byte is < 0x80 (128) it is considered the size
// 2. If it is > 0x80 then it describes the number of bytes of the size
// ex: 0x82 means the next 2 bytes describe the size of the value
// 3. The special case of exactly 0x80 is "indefinite" length (to end-of-file)
if (len > 127) {
lenlen += 1;
while (len > 255) {
lenlen += 1;
len = len >> 8;
}
}
if (lenlen) { hex += Enc.numToHex(0x80 + lenlen); }
return hex + Enc.numToHex(str.length/2) + str;
};
// The Integer type has some special rules
ASN1.UInt = function UINT() {
var str = Array.prototype.slice.call(arguments).join('');
var first = parseInt(str.slice(0, 2), 16);
// If the first byte is 0x80 or greater, the number is considered negative
// Therefore we add a '00' prefix if the 0x80 bit is set
if (0x80 & first) { str = '00' + str; }
return ASN1('02', str);
};
// The Bit String type also has a special rule
ASN1.BitStr = function BITSTR() {
var str = Array.prototype.slice.call(arguments).join('');
// '00' is a mask of how many bits of the next byte to ignore
return ASN1('03', '00' + str);
};
ASN1.pack = function (arr) {
var typ = Enc.numToHex(arr[0]);
var str = '';
if (Array.isArray(arr[1])) {
arr[1].forEach(function (a) {
str += ASN1.pack(a);
});
} else if ('string' === typeof arr[1]) {
str = arr[1];
} else {
throw new Error("unexpected array");
}
if ('03' === typ) {
return ASN1.BitStr(str);
} else if ('02' === typ) {
return ASN1.UInt(str);
} else {
return ASN1(typ, str);
}
};
Object.keys(ASN1).forEach(function (k) {
exports.ASN1[k] = ASN1[k];
});
ASN1 = exports.ASN1;
PEM.packBlock = function (opts) {
// TODO allow for headers?
return '-----BEGIN ' + opts.type + '-----\n'
+ Enc.bufToBase64(opts.bytes).match(/.{1,64}/g).join('\n') + '\n'
+ '-----END ' + opts.type + '-----'
;
};
Enc.bufToBase64 = function (u8) {
var bin = '';
u8.forEach(function (i) {
bin += String.fromCharCode(i);
});
return btoa(bin);
};
Enc.hexToBuf = function (hex) {
var arr = [];
hex.match(/.{2}/g).forEach(function (h) {
arr.push(parseInt(h, 16));
});
return 'undefined' !== typeof Uint8Array ? new Uint8Array(arr) : arr;
};
Enc.numToHex = function (d) {
d = d.toString(16);
if (d.length % 2) {
return '0' + d;
}
return d;
};
}('undefined' !== typeof window ? window : module.exports));
(function (exports) {
'use strict';
var x509 = exports.x509 = {};
var ASN1 = exports.ASN1;
var Enc = exports.Enc;
// 1.2.840.10045.3.1.7
// prime256v1 (ANSI X9.62 named elliptic curve)
var OBJ_ID_EC = '06 08 2A8648CE3D030107'.replace(/\s+/g, '').toLowerCase();
// 1.3.132.0.34
// secp384r1 (SECG (Certicom) named elliptic curve)
var OBJ_ID_EC_384 = '06 05 2B81040022'.replace(/\s+/g, '').toLowerCase();
// 1.2.840.10045.2.1
// ecPublicKey (ANSI X9.62 public key type)
var OBJ_ID_EC_PUB = '06 07 2A8648CE3D0201'.replace(/\s+/g, '').toLowerCase();
x509.parseSec1 = function parseEcOnlyPrivkey(u8, jwk) {
var index = 7;
var len = 32;
var olen = OBJ_ID_EC.length / 2;
if ("P-384" === jwk.crv) {
olen = OBJ_ID_EC_384.length / 2;
index = 8;
len = 48;
}
if (len !== u8[index - 1]) {
throw new Error("Unexpected bitlength " + len);
}
// private part is d
var d = u8.slice(index, index + len);
// compression bit index
var ci = index + len + 2 + olen + 2 + 3;
var c = u8[ci];
var x, y;
if (0x04 === c) {
y = u8.slice(ci + 1 + len, ci + 1 + len + len);
} else if (0x02 !== c) {
throw new Error("not a supported EC private key");
}
x = u8.slice(ci + 1, ci + 1 + len);
return {
kty: jwk.kty
, crv: jwk.crv
, d: Enc.bufToUrlBase64(d)
//, dh: Enc.bufToHex(d)
, x: Enc.bufToUrlBase64(x)
//, xh: Enc.bufToHex(x)
, y: Enc.bufToUrlBase64(y)
//, yh: Enc.bufToHex(y)
};
};
x509.packPkcs1 = function (jwk) {
var n = ASN1.UInt(Enc.base64ToHex(jwk.n));
var e = ASN1.UInt(Enc.base64ToHex(jwk.e));
if (!jwk.d) {
return Enc.hexToBuf(ASN1('30', n, e));
}
return Enc.hexToBuf(ASN1('30'
, ASN1.UInt('00')
, n
, e
, ASN1.UInt(Enc.base64ToHex(jwk.d))
, ASN1.UInt(Enc.base64ToHex(jwk.p))
, ASN1.UInt(Enc.base64ToHex(jwk.q))
, ASN1.UInt(Enc.base64ToHex(jwk.dp))
, ASN1.UInt(Enc.base64ToHex(jwk.dq))
, ASN1.UInt(Enc.base64ToHex(jwk.qi))
));
};
x509.parsePkcs8 = function parseEcPkcs8(u8, jwk) {
var index = 24 + (OBJ_ID_EC.length / 2);
var len = 32;
if ("P-384" === jwk.crv) {
index = 24 + (OBJ_ID_EC_384.length / 2) + 2;
len = 48;
}
//console.log(index, u8.slice(index));
if (0x04 !== u8[index]) {
//console.log(jwk);
throw new Error("privkey not found");
}
var d = u8.slice(index + 2, index + 2 + len);
var ci = index + 2 + len + 5;
var xi = ci + 1;
var x = u8.slice(xi, xi + len);
var yi = xi + len;
var y;
if (0x04 === u8[ci]) {
y = u8.slice(yi, yi + len);
} else if (0x02 !== u8[ci]) {
throw new Error("invalid compression bit (expected 0x04 or 0x02)");
}
return {
kty: jwk.kty
, crv: jwk.crv
, d: Enc.bufToUrlBase64(d)
//, dh: Enc.bufToHex(d)
, x: Enc.bufToUrlBase64(x)
//, xh: Enc.bufToHex(x)
, y: Enc.bufToUrlBase64(y)
//, yh: Enc.bufToHex(y)
};
};
x509.parseSpki = function parsePem(u8, jwk) {
var ci = 16 + OBJ_ID_EC.length / 2;
var len = 32;
if ("P-384" === jwk.crv) {
ci = 16 + OBJ_ID_EC_384.length / 2;
len = 48;
}
var c = u8[ci];
var xi = ci + 1;
var x = u8.slice(xi, xi + len);
var yi = xi + len;
var y;
if (0x04 === c) {
y = u8.slice(yi, yi + len);
} else if (0x02 !== c) {
throw new Error("not a supported EC private key");
}
return {
kty: jwk.kty
, crv: jwk.crv
, x: Enc.bufToUrlBase64(x)
//, xh: Enc.bufToHex(x)
, y: Enc.bufToUrlBase64(y)
//, yh: Enc.bufToHex(y)
};
};
x509.parsePkix = x509.parseSpki;
x509.packSec1 = function (jwk) {
var d = Enc.base64ToHex(jwk.d);
var x = Enc.base64ToHex(jwk.x);
var y = Enc.base64ToHex(jwk.y);
var objId = ('P-256' === jwk.crv) ? OBJ_ID_EC : OBJ_ID_EC_384;
return Enc.hexToBuf(
ASN1('30'
, ASN1.UInt('01')
, ASN1('04', d)
, ASN1('A0', objId)
, ASN1('A1', ASN1.BitStr('04' + x + y)))
);
};
/**
* take a private jwk and creates a der from it
* @param {*} jwk
*/
x509.packPkcs8 = function (jwk) {
if ('RSA' === jwk.kty) {
if (!jwk.d) {
// Public RSA
return Enc.hexToBuf(ASN1('30'
, ASN1('30'
, ASN1('06', '2a864886f70d010101')
, ASN1('05')
)
, ASN1.BitStr(ASN1('30'
, ASN1.UInt(Enc.base64ToHex(jwk.n))
, ASN1.UInt(Enc.base64ToHex(jwk.e))
))
));
}
// Private RSA
return Enc.hexToBuf(ASN1('30'
, ASN1.UInt('00')
, ASN1('30'
, ASN1('06', '2a864886f70d010101')
, ASN1('05')
)
, ASN1('04'
, ASN1('30'
, ASN1.UInt('00')
, ASN1.UInt(Enc.base64ToHex(jwk.n))
, ASN1.UInt(Enc.base64ToHex(jwk.e))
, ASN1.UInt(Enc.base64ToHex(jwk.d))
, ASN1.UInt(Enc.base64ToHex(jwk.p))
, ASN1.UInt(Enc.base64ToHex(jwk.q))
, ASN1.UInt(Enc.base64ToHex(jwk.dp))
, ASN1.UInt(Enc.base64ToHex(jwk.dq))
, ASN1.UInt(Enc.base64ToHex(jwk.qi))
)
)
));
}
var d = Enc.base64ToHex(jwk.d);
var x = Enc.base64ToHex(jwk.x);
var y = Enc.base64ToHex(jwk.y);
var objId = ('P-256' === jwk.crv) ? OBJ_ID_EC : OBJ_ID_EC_384;
return Enc.hexToBuf(
ASN1('30'
, ASN1.UInt('00')
, ASN1('30'
, OBJ_ID_EC_PUB
, objId
)
, ASN1('04'
, ASN1('30'
, ASN1.UInt('01')
, ASN1('04', d)
, ASN1('A1', ASN1.BitStr('04' + x + y)))))
);
};
x509.packSpki = function (jwk) {
if (/EC/i.test(jwk.kty)) {
return x509.packSpkiEc(jwk);
}
return x509.packSpkiRsa(jwk);
};
x509.packSpkiRsa = function (jwk) {
if (!jwk.d) {
// Public RSA
return Enc.hexToBuf(ASN1('30'
, ASN1('30'
, ASN1('06', '2a864886f70d010101')
, ASN1('05')
)
, ASN1.BitStr(ASN1('30'
, ASN1.UInt(Enc.base64ToHex(jwk.n))
, ASN1.UInt(Enc.base64ToHex(jwk.e))
))
));
}
// Private RSA
return Enc.hexToBuf(ASN1('30'
, ASN1.UInt('00')
, ASN1('30'
, ASN1('06', '2a864886f70d010101')
, ASN1('05')
)
, ASN1('04'
, ASN1('30'
, ASN1.UInt('00')
, ASN1.UInt(Enc.base64ToHex(jwk.n))
, ASN1.UInt(Enc.base64ToHex(jwk.e))
, ASN1.UInt(Enc.base64ToHex(jwk.d))
, ASN1.UInt(Enc.base64ToHex(jwk.p))
, ASN1.UInt(Enc.base64ToHex(jwk.q))
, ASN1.UInt(Enc.base64ToHex(jwk.dp))
, ASN1.UInt(Enc.base64ToHex(jwk.dq))
, ASN1.UInt(Enc.base64ToHex(jwk.qi))
)
)
));
};
x509.packSpkiEc = function (jwk) {
var x = Enc.base64ToHex(jwk.x);
var y = Enc.base64ToHex(jwk.y);
var objId = ('P-256' === jwk.crv) ? OBJ_ID_EC : OBJ_ID_EC_384;
return Enc.hexToBuf(
ASN1('30'
, ASN1('30'
, OBJ_ID_EC_PUB
, objId
)
, ASN1.BitStr('04' + x + y))
);
};
x509.packPkix = x509.packSpki;
}('undefined' !== typeof module ? module.exports : window));
/*global Promise*/
(function (exports) {
'use strict';
var EC = exports.Eckles = {};
var x509 = exports.x509;
if ('undefined' !== typeof module) { module.exports = EC; }
var PEM = exports.PEM;
var SSH = exports.SSH;
var Enc = {};
var textEncoder = new TextEncoder();
EC._stance = "We take the stance that if you're knowledgeable enough to"
+ " properly and securely use non-standard crypto then you shouldn't need Bluecrypt anyway.";
EC._universal = "Bluecrypt only supports crypto with standard cross-browser and cross-platform support.";
EC.generate = function (opts) {
var wcOpts = {};
if (!opts) { opts = {}; }
if (!opts.kty) { opts.kty = 'EC'; }
// ECDSA has only the P curves and an associated bitlength
wcOpts.name = 'ECDSA';
if (!opts.namedCurve) {
opts.namedCurve = 'P-256';
}
wcOpts.namedCurve = opts.namedCurve; // true for supported curves
if (/256/.test(wcOpts.namedCurve)) {
wcOpts.namedCurve = 'P-256';
wcOpts.hash = { name: "SHA-256" };
} else if (/384/.test(wcOpts.namedCurve)) {
wcOpts.namedCurve = 'P-384';
wcOpts.hash = { name: "SHA-384" };
} else {
return Promise.Reject(new Error("'" + wcOpts.namedCurve + "' is not an NIST approved ECDSA namedCurve. "
+ " Please choose either 'P-256' or 'P-384'. "
+ EC._stance));
}
var extractable = true;
return window.crypto.subtle.generateKey(
wcOpts
, extractable
, [ 'sign', 'verify' ]
).then(function (result) {
return window.crypto.subtle.exportKey(
"jwk"
, result.privateKey
).then(function (privJwk) {
privJwk.key_ops = undefined;
privJwk.ext = undefined;
return {
private: privJwk
, public: EC.neuter({ jwk: privJwk })
};
});
});
};
EC.export = function (opts) {
return Promise.resolve().then(function () {
if (!opts || !opts.jwk || 'object' !== typeof opts.jwk) {
throw new Error("must pass { jwk: jwk } as a JSON object");
}
var jwk = JSON.parse(JSON.stringify(opts.jwk));
var format = opts.format;
if (opts.public || -1 !== [ 'spki', 'pkix', 'ssh', 'rfc4716' ].indexOf(format)) {
jwk.d = null;
}
if ('EC' !== jwk.kty) {
throw new Error("options.jwk.kty must be 'EC' for EC keys");
}
if (!jwk.d) {
if (!format || -1 !== [ 'spki', 'pkix' ].indexOf(format)) {
format = 'spki';
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
format = 'ssh';
} else {
throw new Error("options.format must be 'spki' or 'ssh' for public EC keys, not ("
+ typeof format + ") " + format);
}
} else {
if (!format || 'sec1' === format) {
format = 'sec1';
} else if ('pkcs8' !== format) {
throw new Error("options.format must be 'sec1' or 'pkcs8' for private EC keys, not '" + format + "'");
}
}
if (-1 === [ 'P-256', 'P-384' ].indexOf(jwk.crv)) {
throw new Error("options.jwk.crv must be either P-256 or P-384 for EC keys, not '" + jwk.crv + "'");
}
if (!jwk.y) {
throw new Error("options.jwk.y must be a urlsafe base64-encoded either P-256 or P-384");
}
if ('sec1' === format) {
return PEM.packBlock({ type: "EC PRIVATE KEY", bytes: x509.packSec1(jwk) });
} else if ('pkcs8' === format) {
return PEM.packBlock({ type: "PRIVATE KEY", bytes: x509.packPkcs8(jwk) });
} else if (-1 !== [ 'spki', 'pkix' ].indexOf(format)) {
return PEM.packBlock({ type: "PUBLIC KEY", bytes: x509.packSpki(jwk) });
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
return SSH.packSsh(jwk);
} else {
throw new Error("Sanity Error: reached unreachable code block with format: " + format);
}
});
};
EC.pack = function (opts) {
return Promise.resolve().then(function () {
return EC.exportSync(opts);
});
};
// Chopping off the private parts is now part of the public API.
// I thought it sounded a little too crude at first, but it really is the best name in every possible way.
EC.neuter = function (opts) {
// trying to find the best balance of an immutable copy with custom attributes
var jwk = {};
Object.keys(opts.jwk).forEach(function (k) {
if ('undefined' === typeof opts.jwk[k]) { return; }
// ignore EC private parts
if ('d' === k) { return; }
jwk[k] = JSON.parse(JSON.stringify(opts.jwk[k]));
});
return jwk;
};
// https://stackoverflow.com/questions/42588786/how-to-fingerprint-a-jwk
EC.__thumbprint = function (jwk) {
// Use the same entropy for SHA as for key
var alg = 'SHA-256';
if (/384/.test(jwk.crv)) {
alg = 'SHA-384';
}
return window.crypto.subtle.digest(
{ name: alg }
, textEncoder.encode('{"crv":"' + jwk.crv + '","kty":"EC","x":"' + jwk.x + '","y":"' + jwk.y + '"}')
).then(function (hash) {
return Enc.bufToUrlBase64(new Uint8Array(hash));
});
};
EC.thumbprint = function (opts) {
return Promise.resolve().then(function () {
var jwk;
if ('EC' === opts.kty) {
jwk = opts;
} else if (opts.jwk) {
jwk = opts.jwk;
} else {
return EC.import(opts).then(function (jwk) {
return EC.__thumbprint(jwk);
});
}
return EC.__thumbprint(jwk);
});
};
Enc.bufToUrlBase64 = function (u8) {
return Enc.bufToBase64(u8)
.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
};
Enc.bufToBase64 = function (u8) {
var bin = '';
u8.forEach(function (i) {
bin += String.fromCharCode(i);
});
return btoa(bin);
};
}('undefined' !== typeof module ? module.exports : window));
/*global Promise*/
(function (exports) {
'use strict';
var RSA = exports.Rasha = {};
var x509 = exports.x509;
if ('undefined' !== typeof module) { module.exports = RSA; }
var PEM = exports.PEM;
var SSH = exports.SSH;
var Enc = {};
var textEncoder = new TextEncoder();
RSA._stance = "We take the stance that if you're knowledgeable enough to"
+ " properly and securely use non-standard crypto then you shouldn't need Bluecrypt anyway.";
RSA._universal = "Bluecrypt only supports crypto with standard cross-browser and cross-platform support.";
RSA.generate = function (opts) {
var wcOpts = {};
if (!opts) { opts = {}; }
if (!opts.kty) { opts.kty = 'RSA'; }
// Support PSS? I don't think it's used for Let's Encrypt
wcOpts.name = 'RSASSA-PKCS1-v1_5';
if (!opts.modulusLength) {
opts.modulusLength = 2048;
}
wcOpts.modulusLength = opts.modulusLength;
if (wcOpts.modulusLength >= 2048 && wcOpts.modulusLength < 3072) {
// erring on the small side... for no good reason
wcOpts.hash = { name: "SHA-256" };
} else if (wcOpts.modulusLength >= 3072 && wcOpts.modulusLength < 4096) {
wcOpts.hash = { name: "SHA-384" };
} else if (wcOpts.modulusLength < 4097) {
wcOpts.hash = { name: "SHA-512" };
} else {
// Public key thumbprints should be paired with a hash of similar length,
// so anything above SHA-512's keyspace would be left under-represented anyway.
return Promise.Reject(new Error("'" + wcOpts.modulusLength + "' is not within the safe and universally"
+ " acceptable range of 2048-4096. Typically you should pick 2048, 3072, or 4096, though other values"
+ " divisible by 8 are allowed. " + RSA._stance));
}
// TODO maybe allow this to be set to any of the standard values?
wcOpts.publicExponent = new Uint8Array([0x01, 0x00, 0x01]);
var extractable = true;
return window.crypto.subtle.generateKey(
wcOpts
, extractable
, [ 'sign', 'verify' ]
).then(function (result) {
return window.crypto.subtle.exportKey(
"jwk"
, result.privateKey
).then(function (privJwk) {
return {
private: privJwk
, public: RSA.neuter({ jwk: privJwk })
};
});
});
};
// Chopping off the private parts is now part of the public API.
// I thought it sounded a little too crude at first, but it really is the best name in every possible way.
RSA.neuter = function (opts) {
// trying to find the best balance of an immutable copy with custom attributes
var jwk = {};
Object.keys(opts.jwk).forEach(function (k) {
if ('undefined' === typeof opts.jwk[k]) { return; }
// ignore RSA private parts
if (-1 !== ['d', 'p', 'q', 'dp', 'dq', 'qi'].indexOf(k)) { return; }
jwk[k] = JSON.parse(JSON.stringify(opts.jwk[k]));
});
return jwk;
};
// https://stackoverflow.com/questions/42588786/how-to-fingerprint-a-jwk
RSA.__thumbprint = function (jwk) {
// Use the same entropy for SHA as for key
var len = Math.floor(jwk.n.length * 0.75);
var alg = 'SHA-256';
// TODO this may be a bug
// need to confirm that the padding is no more or less than 1 byte
if (len >= 511) {
alg = 'SHA-512';
} else if (len >= 383) {
alg = 'SHA-384';
}
return window.crypto.subtle.digest(
{ name: alg }
, textEncoder.encode('{"e":"' + jwk.e + '","kty":"RSA","n":"' + jwk.n + '"}')
).then(function (hash) {
return Enc.bufToUrlBase64(new Uint8Array(hash));
});
};
RSA.thumbprint = function (opts) {
return Promise.resolve().then(function () {
var jwk;
if ('EC' === opts.kty) {
jwk = opts;
} else if (opts.jwk) {
jwk = opts.jwk;
} else {
return RSA.import(opts).then(function (jwk) {
return RSA.__thumbprint(jwk);
});
}
return RSA.__thumbprint(jwk);
});
};
RSA.export = function (opts) {
return Promise.resolve().then(function () {
if (!opts || !opts.jwk || 'object' !== typeof opts.jwk) {
throw new Error("must pass { jwk: jwk }");
}
var jwk = JSON.parse(JSON.stringify(opts.jwk));
var format = opts.format;
var pub = opts.public;
if (pub || -1 !== [ 'spki', 'pkix', 'ssh', 'rfc4716' ].indexOf(format)) {
jwk = RSA.neuter({ jwk: jwk });
}
if ('RSA' !== jwk.kty) {
throw new Error("options.jwk.kty must be 'RSA' for RSA keys");
}
if (!jwk.p) {
// TODO test for n and e
pub = true;
if (!format || 'pkcs1' === format) {
format = 'pkcs1';
} else if (-1 !== [ 'spki', 'pkix' ].indexOf(format)) {
format = 'spki';
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
format = 'ssh';
} else {
throw new Error("options.format must be 'spki', 'pkcs1', or 'ssh' for public RSA keys, not ("
+ typeof format + ") " + format);
}
} else {
// TODO test for all necessary keys (d, p, q ...)
if (!format || 'pkcs1' === format) {
format = 'pkcs1';
} else if ('pkcs8' !== format) {
throw new Error("options.format must be 'pkcs1' or 'pkcs8' for private RSA keys");
}
}
if ('pkcs1' === format) {
if (jwk.d) {
return PEM.packBlock({ type: "RSA PRIVATE KEY", bytes: x509.packPkcs1(jwk) });
} else {
return PEM.packBlock({ type: "RSA PUBLIC KEY", bytes: x509.packPkcs1(jwk) });
}
} else if ('pkcs8' === format) {
return PEM.packBlock({ type: "PRIVATE KEY", bytes: x509.packPkcs8(jwk) });
} else if (-1 !== [ 'spki', 'pkix' ].indexOf(format)) {
return PEM.packBlock({ type: "PUBLIC KEY", bytes: x509.packSpki(jwk) });
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
return SSH.pack({ jwk: jwk, comment: opts.comment });
} else {
throw new Error("Sanity Error: reached unreachable code block with format: " + format);
}
});
};
RSA.pack = function (opts) {
// wrapped in a promise for API compatibility
// with the forthcoming browser version
// (and potential future native node capability)
return Promise.resolve().then(function () {
return RSA.export(opts);
});
};
Enc.bufToUrlBase64 = function (u8) {
return Enc.bufToBase64(u8)
.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
};
Enc.bufToBase64 = function (u8) {
var bin = '';
u8.forEach(function (i) {
bin += String.fromCharCode(i);
});
return btoa(bin);
};
}('undefined' !== typeof module ? module.exports : window));
/*global Promise*/
(function (exports) {
'use strict';
var Keypairs = exports.Keypairs = {};
var Rasha = exports.Rasha;
var Eckles = exports.Eckles;
var Enc = exports.Enc || {};
Keypairs._stance = "We take the stance that if you're knowledgeable enough to"
+ " properly and securely use non-standard crypto then you shouldn't need Bluecrypt anyway.";
Keypairs._universal = "Bluecrypt only supports crypto with standard cross-browser and cross-platform support.";
Keypairs.generate = function (opts) {
opts = opts || {};
var p;
if (!opts.kty) { opts.kty = opts.type; }
if (!opts.kty) { opts.kty = 'EC'; }
if (/^EC/i.test(opts.kty)) {
p = Eckles.generate(opts);
} else if (/^RSA$/i.test(opts.kty)) {
p = Rasha.generate(opts);
} else {
return Promise.Reject(new Error("'" + opts.kty + "' is not a well-supported key type."
+ Keypairs._universal
+ " Please choose 'EC', or 'RSA' if you have good reason to."));
}
return p.then(function (pair) {
return Keypairs.thumbprint({ jwk: pair.public }).then(function (thumb) {
pair.private.kid = thumb; // maybe not the same id on the private key?
pair.public.kid = thumb;
return pair;
});
});
};
Keypairs.export = function (opts) {
return Eckles.export(opts).catch(function (err) {
return Rasha.export(opts).catch(function () {
return Promise.reject(err);
});
});
};
/**
* Chopping off the private parts is now part of the public API.
* I thought it sounded a little too crude at first, but it really is the best name in every possible way.
*/
Keypairs.neuter = function (opts) {
/** trying to find the best balance of an immutable copy with custom attributes */
var jwk = {};
Object.keys(opts.jwk).forEach(function (k) {
if ('undefined' === typeof opts.jwk[k]) { return; }
// ignore RSA and EC private parts
if (-1 !== ['d', 'p', 'q', 'dp', 'dq', 'qi'].indexOf(k)) { return; }
jwk[k] = JSON.parse(JSON.stringify(opts.jwk[k]));
});
return jwk;
};
Keypairs.thumbprint = function (opts) {
return Promise.resolve().then(function () {
if (/EC/i.test(opts.jwk.kty)) {
return Eckles.thumbprint(opts);
} else {
return Rasha.thumbprint(opts);
}
});
};
Keypairs.publish = function (opts) {
if ('object' !== typeof opts.jwk || !opts.jwk.kty) { throw new Error("invalid jwk: " + JSON.stringify(opts.jwk)); }
/** returns a copy */
var jwk = Keypairs.neuter(opts);
if (jwk.exp) {
jwk.exp = setTime(jwk.exp);
} else {
if (opts.exp) { jwk.exp = setTime(opts.exp); }
else if (opts.expiresIn) { jwk.exp = Math.round(Date.now()/1000) + opts.expiresIn; }
else if (opts.expiresAt) { jwk.exp = opts.expiresAt; }
}
if (!jwk.use && false !== jwk.use) { jwk.use = "sig"; }
if (jwk.kid) { return Promise.resolve(jwk); }
return Keypairs.thumbprint({ jwk: jwk }).then(function (thumb) { jwk.kid = thumb; return jwk; });
};
// JWT a.k.a. JWS with Claims using Compact Serialization
Keypairs.signJwt = function (opts) {
return Keypairs.thumbprint({ jwk: opts.jwk }).then(function (thumb) {
var header = opts.header || {};
var claims = JSON.parse(JSON.stringify(opts.claims || {}));
header.typ = 'JWT';
if (!header.kid) { header.kid = thumb; }
if (!header.alg && opts.alg) { header.alg = opts.alg; }
if (!claims.iat && (false === claims.iat || false === opts.iat)) {
claims.iat = undefined;
} else if (!claims.iat) {
claims.iat = Math.round(Date.now()/1000);
}
if (opts.exp) {
claims.exp = setTime(opts.exp);
} else if (!claims.exp && (false === claims.exp || false === opts.exp)) {
claims.exp = undefined;
} else if (!claims.exp) {
throw new Error("opts.claims.exp should be the expiration date as seconds, human form (i.e. '1h' or '15m') or false");
}
if (opts.iss) { claims.iss = opts.iss; }
if (!claims.iss && (false === claims.iss || false === opts.iss)) {
claims.iss = undefined;
} else if (!claims.iss) {
throw new Error("opts.claims.iss should be in the form of https://example.com/, a secure OIDC base url");
}
return Keypairs.signJws({
jwk: opts.jwk
, pem: opts.pem
, protected: header
, header: undefined
, payload: claims
}).then(function (jws) {
return [ jws.protected, jws.payload, jws.signature ].join('.');
});
});
};
Keypairs.signJws = function (opts) {
return Keypairs.thumbprint(opts).then(function (thumb) {
function alg() {
if (!opts.jwk) {
throw new Error("opts.jwk must exist and must declare 'typ'");
}
if (opts.jwk.alg) { return opts.jwk.alg; }
var typ = ('RSA' === opts.jwk.kty) ? "RS" : "ES";
return typ + Keypairs._getBits(opts);
}
function sign() {
var protect = opts.protected;
var payload = opts.payload;
// Compute JWS signature
var protectedHeader = "";
// Because unprotected headers are allowed, regrettably...
// https://stackoverflow.com/a/46288694
if (false !== protect) {
if (!protect) { protect = {}; }
if (!protect.alg) { protect.alg = alg(); }
// There's a particular request where ACME / Let's Encrypt explicitly doesn't use a kid
if (false === protect.kid) { protect.kid = undefined; }
else if (!protect.kid) { protect.kid = thumb; }
protectedHeader = JSON.stringify(protect);
}
// Trying to detect if it's a plain object (not Buffer, ArrayBuffer, Array, Uint8Array, etc)
if (payload && ('string' !== typeof payload)
&& ('undefined' === typeof payload.byteLength)
&& ('undefined' === typeof payload.buffer)
) {
payload = JSON.stringify(payload);
}
// Converting to a buffer, even if it was just converted to a string
if ('string' === typeof payload) {
payload = Enc.binToBuf(payload);
}
// node specifies RSA-SHAxxx even when it's actually ecdsa (it's all encoded x509 shasums anyway)
var protected64 = Enc.strToUrlBase64(protectedHeader);
var payload64 = Enc.bufToUrlBase64(payload);
var msg = protected64 + '.' + payload64;
return Keypairs._sign(opts, msg).then(function (buf) {
var signedMsg = {
protected: protected64
, payload: payload64
, signature: Enc.bufToUrlBase64(buf)
};
return signedMsg;
});
}
if (opts.jwk) {
return sign();
} else {
return Keypairs.import({ pem: opts.pem }).then(function (pair) {
opts.jwk = pair.private;
return sign();
});
}
});
};
Keypairs._sign = function (opts, payload) {
return Keypairs._import(opts).then(function (privkey) {
if ('string' === typeof payload) {
payload = (new TextEncoder()).encode(payload);
}
return window.crypto.subtle.sign(
{ name: Keypairs._getName(opts)
, hash: { name: 'SHA-' + Keypairs._getBits(opts) }
}
, privkey
, payload
).then(function (signature) {
signature = new Uint8Array(signature); // ArrayBuffer -> u8
// This will come back into play for CSRs, but not for JOSE
if ('EC' === opts.jwk.kty && /x509|asn1/i.test(opts.format)) {
return Keypairs._ecdsaJoseSigToAsn1Sig(signature);
} else {
// jose/jws/jwt
return signature;
}
});
});
};
Keypairs._getBits = function (opts) {
if (opts.alg) { return opts.alg.replace(/[a-z\-]/ig, ''); }
// base64 len to byte len
var len = Math.floor((opts.jwk.n||'').length * 0.75);
// TODO this may be a bug
// need to confirm that the padding is no more or less than 1 byte
if (/521/.test(opts.jwk.crv) || len >= 511) {
return '512';
} else if (/384/.test(opts.jwk.crv) || len >= 383) {
return '384';
}
return '256';
};
Keypairs._getName = function (opts) {
if (/EC/i.test(opts.jwk.kty)) {
return 'ECDSA';
} else {
return 'RSASSA-PKCS1-v1_5';
}
};
Keypairs._import = function (opts) {
return Promise.resolve().then(function () {
var ops;
// all private keys just happen to have a 'd'
if (opts.jwk.d) {
ops = [ 'sign' ];
} else {
ops = [ 'verify' ];
}
// gotta mark it as extractable, as if it matters
opts.jwk.ext = true;
opts.jwk.key_ops = ops;
return window.crypto.subtle.importKey(
"jwk"
, opts.jwk
, { name: Keypairs._getName(opts)
, namedCurve: opts.jwk.crv
, hash: { name: 'SHA-' + Keypairs._getBits(opts) } }
, true
, ops
).then(function (privkey) {
delete opts.jwk.ext;
return privkey;
});
});
};
// ECDSA JOSE / JWS / JWT signatures differ from "normal" ASN1/X509 ECDSA signatures
// https://tools.ietf.org/html/rfc7518#section-3.4
Keypairs._ecdsaJoseSigToAsn1Sig = function (bufsig) {
// it's easier to do the manipulation in the browser with an array
bufsig = Array.from(bufsig);
var hlen = bufsig.length / 2; // should be even
var r = bufsig.slice(0, hlen);
var s = bufsig.slice(hlen);
// unpad positive ints less than 32 bytes wide
while (!r[0]) { r = r.slice(1); }
while (!s[0]) { s = s.slice(1); }
// pad (or re-pad) ambiguously non-negative BigInts, up to 33 bytes wide
if (0x80 & r[0]) { r.unshift(0); }
if (0x80 & s[0]) { s.unshift(0); }
var len = 2 + r.length + 2 + s.length;
var head = [0x30];
// hard code 0x80 + 1 because it won't be longer than
// two SHA512 plus two pad bytes (130 bytes <= 256)
if (len >= 0x80) { head.push(0x81); }
head.push(len);
return Uint8Array.from(head.concat([0x02, r.length], r, [0x02, s.length], s));
};
function setTime(time) {
if ('number' === typeof time) { return time; }
var t = time.match(/^(\-?\d+)([dhms])$/i);
if (!t || !t[0]) {
throw new Error("'" + time + "' should be datetime in seconds or human-readable format (i.e. 3d, 1h, 15m, 30s");
}
var now = Math.round(Date.now()/1000);
var num = parseInt(t[1], 10);
var unit = t[2];
var mult = 1;
switch(unit) {
// fancy fallthrough, what fun!
case 'd':
mult *= 24;
/*falls through*/
case 'h':
mult *= 60;
/*falls through*/
case 'm':
mult *= 60;
/*falls through*/
case 's':
mult *= 1;
}
return now + (mult * num);
}
Enc.hexToBuf = function (hex) {
var arr = [];
hex.match(/.{2}/g).forEach(function (h) {
arr.push(parseInt(h, 16));
});
return 'undefined' !== typeof Uint8Array ? new Uint8Array(arr) : arr;
};
Enc.strToUrlBase64 = function (str) {
return Enc.bufToUrlBase64(Enc.binToBuf(str));
};
Enc.binToBuf = function (bin) {
var arr = bin.split('').map(function (ch) {
return ch.charCodeAt(0);
});
return 'undefined' !== typeof Uint8Array ? new Uint8Array(arr) : arr;
};
}('undefined' !== typeof module ? module.exports : window));
// Copyright 2018 AJ ONeal. All rights reserved
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
;(function (exports) {
'use strict';
if (!exports.ASN1) { exports.ASN1 = {}; }
if (!exports.Enc) { exports.Enc = {}; }
if (!exports.PEM) { exports.PEM = {}; }
var ASN1 = exports.ASN1;
var Enc = exports.Enc;
var PEM = exports.PEM;
//
// Parser
//
// Although I've only seen 9 max in https certificates themselves,
// but each domain list could have up to 100
ASN1.ELOOPN = 102;
ASN1.ELOOP = "uASN1.js Error: iterated over " + ASN1.ELOOPN + "+ elements (probably a malformed file)";
// I've seen https certificates go 29 deep
ASN1.EDEEPN = 60;
ASN1.EDEEP = "uASN1.js Error: element nested " + ASN1.EDEEPN + "+ layers deep (probably a malformed file)";
// Container Types are Sequence 0x30, Container Array? (0xA0, 0xA1)
// Value Types are Boolean 0x01, Integer 0x02, Null 0x05, Object ID 0x06, String 0x0C, 0x16, 0x13, 0x1e Value Array? (0x82)
// Bit String (0x03) and Octet String (0x04) may be values or containers
// Sometimes Bit String is used as a container (RSA Pub Spki)
ASN1.CTYPES = [ 0x30, 0x31, 0xa0, 0xa1 ];
ASN1.VTYPES = [ 0x01, 0x02, 0x05, 0x06, 0x0c, 0x82 ];
ASN1.parse = function parseAsn1Helper(buf) {
//var ws = ' ';
function parseAsn1(buf, depth, eager) {
if (depth.length >= ASN1.EDEEPN) { throw new Error(ASN1.EDEEP); }
var index = 2; // we know, at minimum, data starts after type (0) and lengthSize (1)
var asn1 = { type: buf[0], lengthSize: 0, length: buf[1] };
var child;
var iters = 0;
var adjust = 0;
var adjustedLen;
// Determine how many bytes the length uses, and what it is
if (0x80 & asn1.length) {
asn1.lengthSize = 0x7f & asn1.length;
// I think that buf->hex->int solves the problem of Endianness... not sure
asn1.length = parseInt(Enc.bufToHex(buf.slice(index, index + asn1.lengthSize)), 16);
index += asn1.lengthSize;
}
// High-order bit Integers have a leading 0x00 to signify that they are positive.
// Bit Streams use the first byte to signify padding, which x.509 doesn't use.
if (0x00 === buf[index] && (0x02 === asn1.type || 0x03 === asn1.type)) {
// However, 0x00 on its own is a valid number
if (asn1.length > 1) {
index += 1;
adjust = -1;
}
}
adjustedLen = asn1.length + adjust;
//console.warn(depth.join(ws) + '0x' + Enc.numToHex(asn1.type), index, 'len:', asn1.length, asn1);
function parseChildren(eager) {
asn1.children = [];
//console.warn('1 len:', (2 + asn1.lengthSize + asn1.length), 'idx:', index, 'clen:', 0);
while (iters < ASN1.ELOOPN && index < (2 + asn1.length + asn1.lengthSize)) {
iters += 1;
depth.length += 1;
child = parseAsn1(buf.slice(index, index + adjustedLen), depth, eager);
depth.length -= 1;
// The numbers don't match up exactly and I don't remember why...
// probably something with adjustedLen or some such, but the tests pass
index += (2 + child.lengthSize + child.length);
//console.warn('2 len:', (2 + asn1.lengthSize + asn1.length), 'idx:', index, 'clen:', (2 + child.lengthSize + child.length));
if (index > (2 + asn1.lengthSize + asn1.length)) {
if (!eager) { console.error(JSON.stringify(asn1, ASN1._replacer, 2)); }
throw new Error("Parse error: child value length (" + child.length
+ ") is greater than remaining parent length (" + (asn1.length - index)
+ " = " + asn1.length + " - " + index + ")");
}
asn1.children.push(child);
//console.warn(depth.join(ws) + '0x' + Enc.numToHex(asn1.type), index, 'len:', asn1.length, asn1);
}
if (index !== (2 + asn1.lengthSize + asn1.length)) {
//console.warn('index:', index, 'length:', (2 + asn1.lengthSize + asn1.length));
throw new Error("premature end-of-file");
}
if (iters >= ASN1.ELOOPN) { throw new Error(ASN1.ELOOP); }
delete asn1.value;
return asn1;
}
// Recurse into types that are _always_ containers
if (-1 !== ASN1.CTYPES.indexOf(asn1.type)) { return parseChildren(eager); }
// Return types that are _always_ values
asn1.value = buf.slice(index, index + adjustedLen);
if (-1 !== ASN1.VTYPES.indexOf(asn1.type)) { return asn1; }
// For ambigious / unknown types, recurse and return on failure
// (and return child array size to zero)
try { return parseChildren(true); }
catch(e) { asn1.children.length = 0; return asn1; }
}
var asn1 = parseAsn1(buf, []);
var len = buf.byteLength || buf.length;
if (len !== 2 + asn1.lengthSize + asn1.length) {
throw new Error("Length of buffer does not match length of ASN.1 sequence.");
}
return asn1;
};
ASN1._replacer = function (k, v) {
if ('type' === k) { return '0x' + Enc.numToHex(v); }
if (v && 'value' === k) { return '0x' + Enc.bufToHex(v.data || v); }
return v;
};
// don't replace the full parseBlock, if it exists
PEM.parseBlock = PEM.parseBlock || function (str) {
var der = str.split(/\n/).filter(function (line) {
return !/-----/.test(line);
}).join('');
return { bytes: Enc.base64ToBuf(der) };
};
Enc.base64ToBuf = function (b64) {
return Enc.binToBuf(atob(b64));
};
Enc.binToBuf = function (bin) {
var arr = bin.split('').map(function (ch) {
return ch.charCodeAt(0);
});
return 'undefined' !== typeof Uint8Array ? new Uint8Array(arr) : arr;
};
Enc.bufToHex = function (u8) {
var hex = [];
var i, h;
var len = (u8.byteLength || u8.length);
for (i = 0; i < len; i += 1) {
h = u8[i].toString(16);
if (h.length % 2) { h = '0' + h; }
hex.push(h);
}
return hex.join('').toLowerCase();
};
Enc.numToHex = function (d) {
d = d.toString(16);
if (d.length % 2) {
return '0' + d;
}
return d;
};
}('undefined' !== typeof window ? window : module.exports));
// Copyright 2018-present AJ ONeal. All rights reserved
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(function (exports) {
'use strict';
/*global Promise*/
var ASN1 = exports.ASN1;
var Enc = exports.Enc;
var PEM = exports.PEM;
var X509 = exports.x509;
var Keypairs = exports.Keypairs;
// TODO find a way that the prior node-ish way of `module.exports = function () {}` isn't broken
var CSR = exports.CSR = function (opts) {
// We're using a Promise here to be compatible with the browser version
// which will probably use the webcrypto API for some of the conversions
return CSR._prepare(opts).then(function (opts) {
return CSR.create(opts).then(function (bytes) {
return CSR._encode(opts, bytes);
});
});
};
CSR._prepare = function (opts) {
return Promise.resolve().then(function () {
var Keypairs;
opts = JSON.parse(JSON.stringify(opts));
// We do a bit of extra error checking for user convenience
if (!opts) { throw new Error("You must pass options with key and domains to rsacsr"); }
if (!Array.isArray(opts.domains) || 0 === opts.domains.length) {
new Error("You must pass options.domains as a non-empty array");
}
// I need to check that 例.中国 is a valid domain name
if (!opts.domains.every(function (d) {
// allow punycode? xn--
if ('string' === typeof d /*&& /\./.test(d) && !/--/.test(d)*/) {
return true;
}
})) {
throw new Error("You must pass options.domains as strings");
}
if (opts.jwk) { return opts; }
if (opts.key && opts.key.kty) {
opts.jwk = opts.key;
return opts;
}
if (!opts.pem && !opts.key) {
throw new Error("You must pass options.key as a JSON web key");
}
Keypairs = exports.Keypairs;
if (!exports.Keypairs) {
throw new Error("Keypairs.js is an optional dependency for PEM-to-JWK.\n"
+ "Install it if you'd like to use it:\n"
+ "\tnpm install --save rasha\n"
+ "Otherwise supply a jwk as the private key."
);
}
return Keypairs.import({ pem: opts.pem || opts.key }).then(function (pair) {
opts.jwk = pair.private;
return opts;
});
});
};
CSR._encode = function (opts, bytes) {
if ('der' === (opts.encoding||'').toLowerCase()) {
return bytes;
}
return PEM.packBlock({
type: "CERTIFICATE REQUEST"
, bytes: bytes /* { jwk: jwk, domains: opts.domains } */
});
};
CSR.create = function createCsr(opts) {
var hex = CSR.request(opts.jwk, opts.domains);
return CSR._sign(opts.jwk, hex).then(function (csr) {
return Enc.hexToBuf(csr);
});
};
//
// EC / RSA
//
CSR.request = function createCsrBodyEc(jwk, domains) {
var asn1pub;
if (/^EC/i.test(jwk.kty)) {
asn1pub = X509.packCsrEcPublicKey(jwk);
} else {
asn1pub = X509.packCsrRsaPublicKey(jwk);
}
return X509.packCsr(asn1pub, domains);
};
CSR._sign = function csrEcSig(jwk, request) {
// Took some tips from https://gist.github.com/codermapuche/da4f96cdb6d5ff53b7ebc156ec46a10a
// TODO will have to convert web ECDSA signatures to PEM ECDSA signatures (but RSA should be the same)
// TODO have a consistent non-private way to sign
return Keypairs._sign({ jwk: jwk, format: 'x509' }, Enc.hexToBuf(request)).then(function (sig) {
return CSR._toDer({ request: request, signature: sig, kty: jwk.kty });
});
};
CSR._toDer = function encode(opts) {
var sty;
if (/^EC/i.test(opts.kty)) {
// 1.2.840.10045.4.3.2 ecdsaWithSHA256 (ANSI X9.62 ECDSA algorithm with SHA256)
sty = ASN1('30', ASN1('06', '2a8648ce3d040302'));
} else {
// 1.2.840.113549.1.1.11 sha256WithRSAEncryption (PKCS #1)
sty = ASN1('30', ASN1('06', '2a864886f70d01010b'), ASN1('05'));
}
return ASN1('30'
// The Full CSR Request Body
, opts.request
// The Signature Type
, sty
// The Signature
, ASN1.BitStr(Enc.bufToHex(opts.signature))
);
};
X509.packCsr = function (asn1pubkey, domains) {
return ASN1('30'
// Version (0)
, ASN1.UInt('00')
// 2.5.4.3 commonName (X.520 DN component)
, ASN1('30', ASN1('31', ASN1('30', ASN1('06', '550403'), ASN1('0c', Enc.utf8ToHex(domains[0])))))
// Public Key (RSA or EC)
, asn1pubkey
// Request Body
, ASN1('a0'
, ASN1('30'
// 1.2.840.113549.1.9.14 extensionRequest (PKCS #9 via CRMF)
, ASN1('06', '2a864886f70d01090e')
, ASN1('31'
, ASN1('30'
, ASN1('30'
// 2.5.29.17 subjectAltName (X.509 extension)
, ASN1('06', '551d11')
, ASN1('04'
, ASN1('30', domains.map(function (d) {
return ASN1('82', Enc.utf8ToHex(d));
}).join(''))))))))
);
};
// TODO finish this later
// we want to parse the domains, the public key, and verify the signature
CSR._info = function (der) {
// standard base64 PEM
if ('string' === typeof der && '-' === der[0]) {
der = PEM.parseBlock(der).bytes;
}
// jose urlBase64 not-PEM
if ('string' === typeof der) {
der = Enc.base64ToBuf(der);
}
// not supporting binary-encoded bas64
var c = ASN1.parse(der);
var kty;
// A cert has 3 parts: cert, signature meta, signature
if (c.children.length !== 3) {
throw new Error("doesn't look like a certificate request: expected 3 parts of header");
}
var sig = c.children[2];
if (sig.children.length) {
// ASN1/X509 EC
sig = sig.children[0];
sig = ASN1('30', ASN1.UInt(Enc.bufToHex(sig.children[0].value)), ASN1.UInt(Enc.bufToHex(sig.children[1].value)));
sig = Enc.hexToBuf(sig);
kty = 'EC';
} else {
// Raw RSA Sig
sig = sig.value;
kty = 'RSA';
}
//c.children[1]; // signature type
var req = c.children[0];
// TODO utf8
if (4 !== req.children.length) {
throw new Error("doesn't look like a certificate request: expected 4 parts to request");
}
// 0 null
// 1 commonName / subject
var sub = Enc.bufToBin(req.children[1].children[0].children[0].children[1].value);
// 3 public key (type, key)
//console.log('oid', Enc.bufToHex(req.children[2].children[0].children[0].value));
var pub;
// TODO reuse ASN1 parser for these?
if ('EC' === kty) {
// throw away compression byte
pub = req.children[2].children[1].value.slice(1);
pub = { kty: kty, x: pub.slice(0, 32), y: pub.slice(32) };
while (0 === pub.x[0]) { pub.x = pub.x.slice(1); }
while (0 === pub.y[0]) { pub.y = pub.y.slice(1); }
if ((pub.x.length || pub.x.byteLength) > 48) {
pub.crv = 'P-521';
} else if ((pub.x.length || pub.x.byteLength) > 32) {
pub.crv = 'P-384';
} else {
pub.crv = 'P-256';
}
pub.x = Enc.bufToUrlBase64(pub.x);
pub.y = Enc.bufToUrlBase64(pub.y);
} else {
pub = req.children[2].children[1].children[0];
pub = { kty: kty, n: pub.children[0].value, e: pub.children[1].value };
while (0 === pub.n[0]) { pub.n = pub.n.slice(1); }
while (0 === pub.e[0]) { pub.e = pub.e.slice(1); }
pub.n = Enc.bufToUrlBase64(pub.n);
pub.e = Enc.bufToUrlBase64(pub.e);
}
// 4 extensions
var domains = req.children[3].children.filter(function (seq) {
// 1.2.840.113549.1.9.14 extensionRequest (PKCS #9 via CRMF)
if ('2a864886f70d01090e' === Enc.bufToHex(seq.children[0].value)) {
return true;
}
}).map(function (seq) {
return seq.children[1].children[0].children.filter(function (seq2) {
// subjectAltName (X.509 extension)
if ('551d11' === Enc.bufToHex(seq2.children[0].value)) {
return true;
}
}).map(function (seq2) {
return seq2.children[1].children[0].children.map(function (name) {
// TODO utf8
return Enc.bufToBin(name.value);
});
})[0];
})[0];
return {
subject: sub
, altnames: domains
, jwk: pub
, signature: sig
};
};
X509.packCsrRsaPublicKey = function (jwk) {
// Sequence the key
var n = ASN1.UInt(Enc.base64ToHex(jwk.n));
var e = ASN1.UInt(Enc.base64ToHex(jwk.e));
var asn1pub = ASN1('30', n, e);
// Add the CSR pub key header
return ASN1('30', ASN1('30', ASN1('06', '2a864886f70d010101'), ASN1('05')), ASN1.BitStr(asn1pub));
};
X509.packCsrEcPublicKey = function (jwk) {
var ecOid = X509._oids[jwk.crv];
if (!ecOid) {
throw new Error("Unsupported namedCurve '" + jwk.crv + "'. Supported types are " + Object.keys(X509._oids));
}
var cmp = '04'; // 04 == x+y, 02 == x-only
var hxy = '';
// Placeholder. I'm not even sure if compression should be supported.
if (!jwk.y) { cmp = '02'; }
hxy += Enc.base64ToHex(jwk.x);
if (jwk.y) { hxy += Enc.base64ToHex(jwk.y); }
// 1.2.840.10045.2.1 ecPublicKey
return ASN1('30', ASN1('30', ASN1('06', '2a8648ce3d0201'), ASN1('06', ecOid)), ASN1.BitStr(cmp + hxy));
};
X509._oids = {
// 1.2.840.10045.3.1.7 prime256v1
// (ANSI X9.62 named elliptic curve) (06 08 - 2A 86 48 CE 3D 03 01 07)
'P-256': '2a8648ce3d030107'
// 1.3.132.0.34 P-384 (06 05 - 2B 81 04 00 22)
// (SEC 2 recommended EC domain secp256r1)
, 'P-384': '2b81040022'
// requires more logic and isn't a recommended standard
// 1.3.132.0.35 P-521 (06 05 - 2B 81 04 00 23)
// (SEC 2 alternate P-521)
//, 'P-521': '2B 81 04 00 23'
};
// don't replace the full parseBlock, if it exists
PEM.parseBlock = PEM.parseBlock || function (str) {
var der = str.split(/\n/).filter(function (line) {
return !/-----/.test(line);
}).join('');
return { bytes: Enc.base64ToBuf(der) };
};
}('undefined' === typeof window ? module.exports : window));
// Copyright 2018-present AJ ONeal. All rights reserved
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(function (exports) {
'use strict';
/* globals Promise */
var ACME = exports.ACME = {};
//var Keypairs = exports.Keypairs || {};
//var CSR = exports.CSR;
var Enc = exports.Enc || {};
var Crypto = exports.Crypto || {};
ACME.formatPemChain = function formatPemChain(str) {
return str.trim().replace(/[\r\n]+/g, '\n').replace(/\-\n\-/g, '-\n\n-') + '\n';
};
ACME.splitPemChain = function splitPemChain(str) {
return str.trim().split(/[\r\n]{2,}/g).map(function (str) {
return str + '\n';
});
};
// http-01: GET https://example.org/.well-known/acme-challenge/{{token}} => {{keyAuth}}
// dns-01: TXT _acme-challenge.example.org. => "{{urlSafeBase64(sha256(keyAuth))}}"
ACME.challengePrefixes = {
'http-01': '/.well-known/acme-challenge'
, 'dns-01': '_acme-challenge'
};
ACME.challengeTests = {
'http-01': function (me, auth) {
return me.http01(auth).then(function (keyAuth) {
var err;
// TODO limit the number of bytes that are allowed to be downloaded
if (auth.keyAuthorization === (keyAuth||'').trim()) {
return true;
}
err = new Error(
"Error: Failed HTTP-01 Pre-Flight / Dry Run.\n"
+ "curl '" + auth.challengeUrl + "'\n"
+ "Expected: '" + auth.keyAuthorization + "'\n"
+ "Got: '" + keyAuth + "'\n"
+ "See https://git.coolaj86.com/coolaj86/acme-v2.js/issues/4"
);
err.code = 'E_FAIL_DRY_CHALLENGE';
return Promise.reject(err);
});
}
, 'dns-01': function (me, auth) {
// remove leading *. on wildcard domains
return me.dns01(auth).then(function (ans) {
var err;
if (ans.answer.some(function (txt) {
return auth.dnsAuthorization === txt.data[0];
})) {
return true;
}
err = new Error(
"Error: Failed DNS-01 Pre-Flight Dry Run.\n"
+ "dig TXT '" + auth.dnsHost + "' does not return '" + auth.dnsAuthorization + "'\n"
+ "See https://git.coolaj86.com/coolaj86/acme-v2.js/issues/4"
);
err.code = 'E_FAIL_DRY_CHALLENGE';
return Promise.reject(err);
});
}
};
ACME._directory = function (me) {
// GET-as-GET ok
return me.request({ method: 'GET', url: me.directoryUrl, json: true });
};
ACME._getNonce = function (me) {
// GET-as-GET, HEAD-as-HEAD ok
var nonce;
while (true) {
nonce = me._nonces.shift();
if (!nonce) { break; }
if (Date.now() - nonce.createdAt > (15 * 60 * 1000)) {
nonce = null;
} else {
break;
}
}
if (nonce) { return Promise.resolve(nonce.nonce); }
return me.request({ method: 'HEAD', url: me._directoryUrls.newNonce }).then(function (resp) {
return resp.headers['replay-nonce'];
});
};
ACME._setNonce = function (me, nonce) {
me._nonces.unshift({ nonce: nonce, createdAt: Date.now() });
};
// ACME RFC Section 7.3 Account Creation
/*
{
"protected": base64url({
"alg": "ES256",
"jwk": {...},
"nonce": "6S8IqOGY7eL2lsGoTZYifg",
"url": "https://example.com/acme/new-account"
}),
"payload": base64url({
"termsOfServiceAgreed": true,
"onlyReturnExisting": false,
"contact": [
"mailto:cert-admin@example.com",
"mailto:admin@example.com"
]
}),
"signature": "RZPOnYoPs1PhjszF...-nh6X1qtOFPB519I"
}
*/
ACME._registerAccount = function (me, options) {
//#console.debug('[acme-v2] accounts.create');
function agree(tosUrl) {
var err;
if (me._tos !== tosUrl) {
err = new Error("You must agree to the ToS at '" + me._tos + "'");
err.code = "E_AGREE_TOS";
throw err;
}
return ACME._importKeypair(me, options.accountKey || options.accountKeypair).then(function (pair) {
var contact;
if (options.contact) {
contact = options.contact.slice(0);
} else if (options.email) {
contact = [ 'mailto:' + options.email ];
}
var body = {
termsOfServiceAgreed: tosUrl === me._tos
, onlyReturnExisting: false
, contact: contact
};
var pExt;
if (options.externalAccount) {
pExt = me.Keypairs.signJws({
// TODO is HMAC the standard, or is this arbitrary?
secret: options.externalAccount.secret
, protected: {
alg: options.externalAccount.alg || "HS256"
, kid: options.externalAccount.id
, url: me._directoryUrls.newAccount
}
, payload: Enc.binToBuf(JSON.stringify(pair.public))
}).then(function (jws) {
body.externalAccountBinding = jws;
return body;
});
} else {
pExt = Promise.resolve(body);
}
return pExt.then(function (body) {
var payload = JSON.stringify(body);
return ACME._jwsRequest(me, {
options: options
, url: me._directoryUrls.newAccount
, protected: { kid: false, jwk: pair.public }
, payload: Enc.binToBuf(payload)
}).then(function (resp) {
var account = resp.body;
if (2 !== Math.floor(resp.statusCode / 100)) {
throw new Error('account error: ' + JSON.stringify(resp.body));
}
var location = resp.headers.location;
// the account id url
options._kid = location;
//#console.debug('[DEBUG] new account location:');
//#console.debug(location);
//#console.debug(resp);
/*
{
contact: ["mailto:jon@example.com"],
orders: "https://some-url",
status: 'valid'
}
*/
if (!account) { account = { _emptyResponse: true }; }
// https://git.coolaj86.com/coolaj86/acme-v2.js/issues/8
if (!account.key) { account.key = {}; }
account.key.kid = options._kid;
return account;
});
});
});
}
return Promise.resolve().then(function () {
return options.agreeToTerms(me._tos);
}).then(agree);
};
/*
POST /acme/new-order HTTP/1.1
Host: example.com
Content-Type: application/jose+json
{
"protected": base64url({
"alg": "ES256",
"kid": "https://example.com/acme/acct/1",
"nonce": "5XJ1L3lEkMG7tR6pA00clA",
"url": "https://example.com/acme/new-order"
}),
"payload": base64url({
"identifiers": [{"type:"dns","value":"example.com"}],
"notBefore": "2016-01-01T00:00:00Z",
"notAfter": "2016-01-08T00:00:00Z"
}),
"signature": "H6ZXtGjTZyUnPeKn...wEA4TklBdh3e454g"
}
*/
ACME._getChallenges = function (me, options, authUrl) {
//#console.debug('\n[DEBUG] getChallenges\n');
return ACME._jwsRequest(me, {
options: options
, protected: { kid: options._kid }
, payload: ''
, url: authUrl
}).then(function (resp) {
// Pre-emptive rather than lazy for interfaces that need to show the challenges to the user first
return ACME._computeAuths(me, options, resp.body, false).then(function (auths) {
resp.body._rawChallenges = resp.body.challenges;
resp.body.challenges = auths;
return resp.body;
});
});
};
ACME._wait = function wait(ms) {
return new Promise(function (resolve) {
setTimeout(resolve, (ms || 1100));
});
};
ACME._testChallengeOptions = function () {
var chToken = ACME._prnd(16);
return [
{
"type": "http-01",
"status": "pending",
"url": "https://acme-staging-v02.example.com/0",
"token": "test-" + chToken + "-0"
}
, {
"type": "dns-01",
"status": "pending",
"url": "https://acme-staging-v02.example.com/1",
"token": "test-" + chToken + "-1",
"_wildcard": true
}
, {
"type": "tls-alpn-01",
"status": "pending",
"url": "https://acme-staging-v02.example.com/3",
"token": "test-" + chToken + "-3"
}
];
};
ACME._testChallenges = function (me, reals) {
console.log('[DEBUG] testChallenges');
if (me.skipDryRun || me.skipChallengeTest) {
return Promise.resolve();
}
var nopts = {};
Object.keys(reals).forEach(function (key) {
nopts[key] = reals[key];
});
nopts.order = {};
return Promise.all(nopts.domains.map(function (name) {
var challenges = ACME._testChallengeOptions();
var wild = '*.' === name.slice(0, 2);
if (wild) {
challenges = challenges.filter(function (ch) { return ch._wildcard; });
}
var resp = {
body: {
identifier: { type: 'dns' , value: name.replace('*.', '') }
, challenges: challenges
, expires: new Date(Date.now() + (60 * 1000)).toISOString()
, wildcard: name.includes('*.') || undefined
}
};
// The dry-run comes first in the spirit of "fail fast"
// (and protecting against challenge failure rate limits)
var dryrun = true;
return ACME._computeAuths(me, nopts, resp.body, dryrun).then(function (auths) {
resp.body.challenges = auths;
});
})).then(function (claims) {
nopts.order.claims = claims;
nopts.setChallengeWait = 0;
return ACME._setChallengesAll(me, nopts).then(function (valids) {
return Promise.all(valids.map(function (auth) {
ACME._removeChallenge(me, nopts, auth);
}));
});
});
};
ACME._chooseType = function(options, auths) {
// For each of the challenge types that we support
var auth;
var challengeTypes = Object.keys(options.challenges || ACME._challengesMap);
// ordered from most to least preferred
challengeTypes = (options.challengePriority||[ 'tls-alpn-01', 'http-01', 'dns-01' ]).filter(function (chType) {
return challengeTypes.includes(chType);
});
challengeTypes.some(function (chType) {
// And for each of the challenge types that are allowed
return auths.some(function (ch) {
// Check to see if there are any matches
if (ch.type === chType) {
auth = ch;
return true;
}
});
});
return auth;
};
ACME._challengesMap = {'http-01':0,'dns-01':0,'tls-alpn-01':0};
ACME._computeAuths = function (me, options, request, dryrun) {
console.log('[DEBUG] computeAuths');
// we don't poison the dns cache with our dummy request
var dnsPrefix = ACME.challengePrefixes['dns-01'];
if (dryrun) {
dnsPrefix = dnsPrefix.replace('acme-challenge', 'greenlock-dryrun-' + ACME._prnd(4));
}
var challengeTypes = Object.keys(options.challenges || ACME._challengesMap);
return ACME._importKeypair(me, options.accountKey || options.accountKeypair).then(function (pair) {
return me.Keypairs.thumbprint({ jwk: pair.public }).then(function (thumb) {
return Promise.all(request.challenges.map(function (challenge) {
// Don't do extra work for challenges that we can't satisfy
if (!challengeTypes.includes(challenge.type)) {
return null;
}
var auth = {};
// straight copy from the new order response
// { identifier, status, expires, challenges, wildcard }
Object.keys(request).forEach(function (key) {
auth[key] = request[key];
});
// copy from the challenge we've chosen
// { type, status, url, token }
// (note the duplicate status overwrites the one above, but they should be the same)
Object.keys(challenge).forEach(function (key) {
// don't confused devs with the id url
auth[key] = challenge[key];
});
// batteries-included helpers
auth.hostname = auth.identifier.value;
// because I'm not 100% clear if the wildcard identifier does or doesn't have the leading *. in all cases
auth.altname = ACME._untame(auth.identifier.value, auth.wildcard);
auth.thumbprint = thumb;
// keyAuthorization = token || '.' || base64url(JWK_Thumbprint(accountKey))
auth.keyAuthorization = challenge.token + '.' + auth.thumbprint;
if ('http-01' === auth.type) {
// conflicts with ACME challenge id url is already in use, so we call this challengeUrl instead
// TODO auth.http01Url ?
auth.challengeUrl = 'http://' + auth.identifier.value + ACME.challengePrefixes['http-01'] + '/' + auth.token;
return auth;
}
if ('dns-01' !== auth.type) {
return auth;
}
return Crypto._sha('sha256', auth.keyAuthorization).then(function (hash) {
auth.dnsHost = dnsPrefix + '.' + auth.hostname.replace('*.', '');
auth.dnsAuthorization = hash;
auth.keyAuthorizationDigest = hash;
return auth;
});
})).then(function (auths) {
return auths.filter(Boolean);
});
});
});
};
ACME._untame = function (name, wild) {
if (wild) { name = '*.' + name.replace('*.', ''); }
return name;
};
// https://tools.ietf.org/html/draft-ietf-acme-acme-10#section-7.5.1
ACME._postChallenge = function (me, options, auth) {
var RETRY_INTERVAL = me.retryInterval || 1000;
var DEAUTH_INTERVAL = me.deauthWait || 10 * 1000;
var MAX_POLL = me.retryPoll || 8;
var MAX_PEND = me.retryPending || 4;
var count = 0;
var altname = ACME._untame(auth.identifier.value, auth.wildcard);
/*
POST /acme/authz/1234 HTTP/1.1
Host: example.com
Content-Type: application/jose+json
{
"protected": base64url({
"alg": "ES256",
"kid": "https://example.com/acme/acct/1",
"nonce": "xWCM9lGbIyCgue8di6ueWQ",
"url": "https://example.com/acme/authz/1234"
}),
"payload": base64url({
"status": "deactivated"
}),
"signature": "srX9Ji7Le9bjszhu...WTFdtujObzMtZcx4"
}
*/
function deactivate() {
//#console.debug('[acme-v2.js] deactivate:');
return ACME._jwsRequest(me, {
options: options
, url: auth.url
, protected: { kid: options._kid }
, payload: Enc.binToBuf(JSON.stringify({ "status": "deactivated" }))
}).then(function (/*#resp*/) {
//#console.debug('deactivate challenge: resp.body:');
//#console.debug(resp.body);
return ACME._wait(DEAUTH_INTERVAL);
});
}
function pollStatus() {
if (count >= MAX_POLL) {
return Promise.reject(new Error(
"[acme-v2] stuck in bad pending/processing state for '" + altname + "'"
));
}
count += 1;
//#console.debug('\n[DEBUG] statusChallenge\n');
return me.request({ method: 'GET', url: auth.url, json: true }).then(function (resp) {
if ('processing' === resp.body.status) {
//#console.debug('poll: again');
return ACME._wait(RETRY_INTERVAL).then(pollStatus);
}
// This state should never occur
if ('pending' === resp.body.status) {
if (count >= MAX_PEND) {
return ACME._wait(RETRY_INTERVAL).then(deactivate).then(respondToChallenge);
}
//#console.debug('poll: again');
return ACME._wait(RETRY_INTERVAL).then(respondToChallenge);
}
if ('valid' === resp.body.status) {
//#console.debug('poll: valid');
try {
ACME._removeChallenge(me, options, auth);
} catch(e) {}
return resp.body;
}
var err;
if (resp.body.error && resp.body.error.detail) {
err = new Error("[acme-v2] " + auth.altname + " state:" + resp.body.status + " " + resp.body.error.detail);
err.auth = auth;
err.altname = auth.altname;
err.type = auth.type;
err.urn = resp.body.error.type;
err.code = ('invalid' === resp.body.status) ? 'E_CHALLENGE_INVALID' : 'E_CHALLENGE_UNKNOWN';
err.uri = resp.body.url;
} else {
err = new Error("[acme-v2] " + auth.altname + " (E_STATE_UKN): " + JSON.stringify(resp.body, null, 2));
err.code = 'E_CHALLENGE_UNKNOWN';
}
return Promise.reject(err);
});
}
function respondToChallenge() {
//#console.debug('[acme-v2.js] responding to accept challenge:');
return ACME._jwsRequest(me, {
options: options
, url: auth.url
, protected: { kid: options._kid }
, payload: Enc.binToBuf(JSON.stringify({}))
}).then(function (/*#resp*/) {
//#console.debug('respond to challenge: resp.body:');
//#console.debug(resp.body);
return ACME._wait(RETRY_INTERVAL).then(pollStatus);
});
}
return respondToChallenge();
};
// options = { domains, claims, challenges, challengePriority }
ACME._setChallengesAll = function (me, options) {
console.log("[DEBUG] setChallengesAll");
var claims = options.order.claims.slice(0);
var valids = [];
var auths = [];
// TODO: Do we still need this delay? Or shall we leave it to plugins to account for themselves?
var DELAY = options.setChallengeWait || me.setChallengeWait || 500;
// Set any challenges, excpting ones that have already been validated
function setNext() {
var claim = claims.shift();
if (!claim) { return Promise.resolve(); }
return Promise.resolve().then(function () {
// For any challenges that are already valid,
// add to the list and skip any checks.
if (claim.challenges.some(function (ch) {
if ('valid' === ch.status) {
valids.push(ch);
return true;
}
})) {
return;
}
// Get the list of challenge types we can validate.
// Then order that list by preference
// Select the first matching offered challenge type
var usable = Object.keys(options.challenges || ACME._challengesMap);
var selected = (options.challengePriority||[ 'tls-alpn-01', 'http-01', 'dns-01' ]).map(function (chType) {
if (!usable.includes(chType)) { return; }
return claim.challenges.filter(function (ch) {
return ch.type === chType;
})[0];
}).filter(Boolean)[0];
var ch;
// Bail with a descriptive message if no usable challenge could be selected
if (!selected) {
var enabled = usable.join(', ') || 'none';
var suitable = claim.challenges.map(function (r) { return r.type; }).join(', ') || 'none';
throw new Error(
"None of the challenge types that you've enabled ( " + enabled + " )"
+ " are suitable for validating the domain you've selected (" + claim.altname + ")."
+ " You must enable one of ( " + suitable + " )."
);
}
auths.push(selected);
// Give the nameservers a moment to propagate
if ('dns-01' === selected.type) {
DELAY = 1.5 * 1000;
}
if (false === options.challenges) { return; }
ch = options.challenges[selected.type] || {};
if (!ch.set) {
throw new Error("no handler for setting challenge");
}
return ch.set(selected);
}).then(setNext);
}
function checkNext() {
var auth = auths.shift();
if (!auth) { return Promise.resolve(valids); }
// These are not as much "valids" as they are "not invalids"
if (!me._canUse[auth.type] || me.skipChallengeTest) {
valids.push(auth);
return checkNext();
}
return ACME.challengeTests[auth.type](me, auth).then(function () {
valids.push(auth);
}).then(checkNext);
}
// The reason we set every challenge in a batch first before checking any
// is so that we don't poison our own DNS cache with misses.
return setNext().then(function () {
//#console.debug('\n[DEBUG] waitChallengeDelay %s\n', DELAY);
return ACME._wait(DELAY);
}).then(checkNext);
};
ACME._finalizeOrder = function (me, options) {
return ACME._getAccountKid(me, options).then(function () {
if (!options.challenges && !options.challengePriority) {
throw new Error("You must set either challenges or challengePrority");
}
return ACME._setChallengesAll(me, options).then(function (valids) {
// options._kid added
//#console.debug('finalizeOrder:');
var order = options.order;
var validatedDomains = options.order.identifiers.map(function (ident) {
return ident.value;
});
// Actually sets the challenge via ACME
function challengeNext() {
var auth = valids.shift();
if (!auth) { return Promise.resolve(); }
return ACME._postChallenge(me, options, auth).then(challengeNext);
}
return challengeNext().then(function () {
//#console.debug("[getCertificate] next.then");
console.log('DEBUG 1 order:');
console.log(options.order);
return options.order.identifiers.map(function (ident) {
return ident.value;
});
}).then(function () {
return ACME._getCsrWeb64(me, options, validatedDomains).then(function (csr) {
var body = { csr: csr };
var payload = JSON.stringify(body);
function pollCert() {
//#console.debug('[acme-v2.js] pollCert:');
return ACME._jwsRequest(me, {
options: options
, url: options.order.finalizeUrl
, protected: { kid: options._kid }
, payload: Enc.binToBuf(payload)
}).then(function (resp) {
//#console.debug('order finalized: resp.body:');
//#console.debug(resp.body);
// https://tools.ietf.org/html/draft-ietf-acme-acme-12#section-7.1.3
// Possible values are: "pending" => ("invalid" || "ready") => "processing" => "valid"
if ('valid' === resp.body.status) {
options._expires = resp.body.expires;
options._certificate = resp.body.certificate;
return resp.body; // return order
}
if ('processing' === resp.body.status) {
return ACME._wait().then(pollCert);
}
//#console.debug("Error: bad status:\n" + JSON.stringify(resp.body, null, 2));
if ('pending' === resp.body.status) {
return Promise.reject(new Error(
"Did not finalize order: status 'pending'."
+ " Best guess: You have not accepted at least one challenge for each domain:\n"
+ "Requested: '" + options.domains.join(', ') + "'\n"
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
+ JSON.stringify(resp.body, null, 2)
));
}
if ('invalid' === resp.body.status) {
return Promise.reject(new Error(
"Did not finalize order: status 'invalid'."
+ " Best guess: One or more of the domain challenges could not be verified"
+ " (or the order was canceled).\n"
+ "Requested: '" + options.domains.join(', ') + "'\n"
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
+ JSON.stringify(resp.body, null, 2)
));
}
if ('ready' === resp.body.status) {
return Promise.reject(new Error(
"Did not finalize order: status 'ready'."
+ " Hmmm... this state shouldn't be possible here. That was the last state."
+ " This one should at least be 'processing'.\n"
+ "Requested: '" + options.domains.join(', ') + "'\n"
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
+ JSON.stringify(resp.body, null, 2) + "\n\n"
+ "Please open an issue at https://git.coolaj86.com/coolaj86/acme-v2.js"
));
}
return Promise.reject(new Error(
"Didn't finalize order: Unhandled status '" + resp.body.status + "'."
+ " This is not one of the known statuses...\n"
+ "Requested: '" + options.domains.join(', ') + "'\n"
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
+ JSON.stringify(resp.body, null, 2) + "\n\n"
+ "Please open an issue at https://git.coolaj86.com/coolaj86/acme-v2.js"
));
});
}
return pollCert();
}).then(function () {
//#console.debug('acme-v2: order was finalized');
return me.request({ method: 'GET', url: options._certificate, json: true }).then(function (resp) {
//#console.debug('acme-v2: csr submitted and cert received:');
// https://github.com/certbot/certbot/issues/5721
var certsarr = ACME.splitPemChain(ACME.formatPemChain((resp.body||'')));
// cert, chain, fullchain, privkey, /*TODO, subject, altnames, issuedAt, expiresAt */
// TODO CSR.info
var certs = {
expires: order.expires
, identifiers: order.identifiers
, cert: certsarr.shift()
, chain: certsarr.join('\n')
};
//#console.debug(certs);
return certs;
});
});
});
});
});
};
ACME._createOrder = function (me, options) {
return ACME._getAccountKid(me, options).then(function () {
// options._kid added
var body = {
// raw wildcard syntax MUST be used here
identifiers: options.domains.sort(function (a, b) {
// the first in the list will be the subject of the certificate, I believe (and hope)
if (!options.subject) { return 0; }
if (options.subject === a) { return -1; }
if (options.subject === b) { return 1; }
return 0;
}).map(function (hostname) {
return { type: "dns", value: hostname };
})
//, "notBefore": "2016-01-01T00:00:00Z"
//, "notAfter": "2016-01-08T00:00:00Z"
};
var payload = JSON.stringify(body);
//#console.debug('\n[DEBUG] newOrder\n');
return ACME._jwsRequest(me, {
options: options
, url: me._directoryUrls.newOrder
, protected: { kid: options._kid }
, payload: Enc.binToBuf(payload)
}).then(function (resp) {
var order = {
orderUrl: resp.headers.location
, finalizeUrl: resp.body.finalize
, authorizations: resp.body.authorizations
, identifiers: body.identifiers
, _response: resp.body
};
//#console.debug('[ordered]', location); // the account id url
//#console.debug(resp);
if (!order.authorizations) {
return Promise.reject(new Error(
"[acme-v2.js] authorizations were not fetched for '" + options.domains.join() + "':\n"
+ JSON.stringify(resp.body)
));
}
return order;
}).then(function (order) {
var claims = [];
//#console.debug("[acme-v2] POST newOrder has authorizations");
var challengeAuths = order.authorizations.slice(0);
function getNext() {
var authUrl = challengeAuths.shift();
if (!authUrl) { return claims; }
return ACME._getChallenges(me, options, authUrl).then(function (claim) {
// var domain = options.domains[i]; // claim.identifier.value
claims.push(claim);
return getNext();
});
}
return getNext().then(function () {
order.claims = claims;
options.order = order;
return order;
});
});
});
};
ACME._getAccountKid = function (me, options) {
// It's just fine if there's no account, we'll go get the key id we need via the existing key
options._kid = options._kid || options.accountKid
|| (options.account && (options.account.kid
|| (options.account.key && options.account.key.kid)));
if (options._kid) {
return Promise.resolve(options._kid);
}
//return Promise.reject(new Error("must include KeyID"));
// This is an idempotent request. It'll return the same account for the same public key.
return ACME._registerAccount(me, options).then(function (account) {
options._kid = account.key.kid;
// start back from the top
return options._kid;
});
};
//
// Helper Methods
//
ACME._getCertificate = function (me, options) {
//#console.debug('[acme-v2] DEBUG get cert 1');
if (options.csr) {
// TODO validate csr signature
options._csr = me.CSR._info(options.csr);
options.domains = options._csr.altnames;
if (options._csr.subject !== options.domains[0]) {
return Promise.reject(new Error("certificate subject (commonName) does not match first altname (SAN)"));
}
}
if (!(options.domains && options.domains.length)) {
return Promise.reject(new Error("options.domains must be a list of string domain names,"
+ " with the first being the subject of the certificate (or options.subject must specified)."));
}
if (!options.challenges) {
return Promise.reject(new Error("You must specify challenge handlers."));
}
// Do a little dry-run / self-test
return ACME._testChallenges(me, options).then(function () {
//#console.debug('[acme-v2] certificates.create');
return ACME._createOrder(me, options).then(function (/*order*/) {
// options.order = order;
return ACME._finalizeOrder(me, options);
});
});
};
ACME._getCsrWeb64 = function (me, options, validatedDomains) {
var csr;
if (options.csr) {
csr = options.csr;
// if der, convert to base64
if ('string' !== typeof csr) { csr = Enc.bufToUrlBase64(csr); }
// nix PEM headers, if any
if ('-' === csr[0]) { csr = csr.split(/\n+/).slice(1, -1).join(''); }
csr = Enc.base64ToUrlBase64(csr.trim().replace(/\s+/g, ''));
return Promise.resolve(csr);
}
return ACME._importKeypair(me, options.serverKey || options.serverKeypair || options.domainKeypair).then(function (pair) {
return me.CSR({ jwk: pair.private, domains: validatedDomains, encoding: 'der' }).then(function (der) {
return Enc.bufToUrlBase64(der);
});
});
};
ACME.create = function create(me) {
if (!me) { me = {}; }
// me.debug = true;
me.challengePrefixes = ACME.challengePrefixes;
me.Keypairs = me.Keypairs || exports.Keypairs || require('keypairs').Keypairs;
me.CSR = me.CSR || exports.CSR || require('CSR').CSR;
me._nonces = [];
me._canUse = {};
if (!me._baseUrl) {
me._baseUrl = "";
}
//me.Keypairs = me.Keypairs || require('keypairs');
//me.request = me.request || require('@root/request');
if (!me.dns01) {
me.dns01 = function (auth) {
return ACME._dns01(me, auth);
};
}
// backwards compat
if (!me.dig) { me.dig = me.dns01; }
if (!me.http01) {
me.http01 = function (auth) {
return ACME._http01(me, auth);
};
}
if ('function' !== typeof me.request) {
me.request = ACME._defaultRequest;
}
me.init = function (opts) {
function fin(dir) {
me._directoryUrls = dir;
me._tos = dir.meta.termsOfService;
return dir;
}
if (opts && opts.meta && opts.termsOfService) {
return Promise.resolve(fin(opts));
}
if (!me.directoryUrl) { me.directoryUrl = opts; }
if ('string' !== typeof me.directoryUrl) {
throw new Error("you must supply either the ACME directory url as a string or an object of the ACME urls");
}
var p = Promise.resolve();
if (!me.skipChallengeTest) {
p = me.request({ url: me._baseUrl + "/api/_acme_api_/" }).then(function (resp) {
if (resp.body.success) {
me._canCheck['http-01'] = true;
me._canCheck['dns-01'] = true;
}
}).catch(function () {
// ignore
});
}
return p.then(function () {
return ACME._directory(me).then(function (resp) {
return fin(resp.body);
});
});
};
me.accounts = {
create: function (options) {
return ACME._registerAccount(me, options);
}
};
me.orders = {
// create + get challlenges
request: function (options) {
return ACME._createOrder(me, options);
}
// set challenges, check challenges, finalize order, return order
, complete: function (options) {
return ACME._finalizeOrder(me, options);
}
};
me.certificates = {
create: function (options) {
return ACME._getCertificate(me, options);
}
};
return me;
};
// Handle nonce, signing, and request altogether
ACME._jwsRequest = function (me, bigopts) {
return ACME._getNonce(me).then(function (nonce) {
bigopts.protected.nonce = nonce;
bigopts.protected.url = bigopts.url;
// protected.alg: added by Keypairs.signJws
if (!bigopts.protected.jwk) {
// protected.kid must be overwritten due to ACME's interpretation of the spec
if (!bigopts.protected.kid) { bigopts.protected.kid = bigopts.options._kid; }
}
return me.Keypairs.signJws(
{ jwk: bigopts.accountKey || bigopts.options.accountKeypair.privateKeyJwk
, protected: bigopts.protected
, payload: bigopts.payload
}
).then(function (jws) {
//#console.debug('[acme-v2] ' + bigopts.url + ':');
//#console.debug(jws);
return ACME._request(me, { url: bigopts.url, json: jws });
});
});
};
// Handle some ACME-specific defaults
ACME._request = function (me, opts) {
if (!opts.headers) { opts.headers = {}; }
if (opts.json && true !== opts.json) {
opts.headers['Content-Type'] = 'application/jose+json';
opts.body = JSON.stringify(opts.json);
if (!opts.method) { opts.method = 'POST'; }
}
return me.request(opts).then(function (resp) {
resp = resp.toJSON();
if (resp.headers['replay-nonce']) {
ACME._setNonce(me, resp.headers['replay-nonce']);
}
return resp;
});
};
// A very generic, swappable request lib
ACME._defaultRequest = function (opts) {
// Note: normally we'd have to supply a User-Agent string, but not here in a browser
if (!opts.headers) { opts.headers = {}; }
if (opts.json) {
opts.headers.Accept = 'application/json';
if (true !== opts.json) { opts.body = JSON.stringify(opts.json); }
}
if (!opts.method) {
opts.method = 'GET';
if (opts.body) { opts.method = 'POST'; }
}
opts.cors = true;
return window.fetch(opts.url, opts).then(function (resp) {
var headers = {};
var result = { statusCode: resp.status, headers: headers, toJSON: function () { return this; } };
Array.from(resp.headers.entries()).forEach(function (h) { headers[h[0]] = h[1]; });
if (!headers['content-type']) {
return result;
}
if (/json/.test(headers['content-type'])) {
return resp.json().then(function (json) {
result.body = json;
return result;
});
}
return resp.text().then(function (txt) {
result.body = txt;
return result;
});
});
};
ACME._importKeypair = function (me, kp) {
var jwk = kp.privateKeyJwk || kp.kty && kp;
var p;
if (jwk) {
// nix the browser jwk extras
jwk.key_ops = undefined;
jwk.ext = undefined;
p = Promise.resolve({ private: jwk, public: me.Keypairs.neuter({ jwk: jwk }) });
} else {
p = me.Keypairs.import({ pem: kp.privateKeyPem });
}
return p.then(function (pair) {
kp.privateKeyJwk = pair.private;
kp.publicKeyJwk = pair.public;
if (pair.public.kid) {
pair = JSON.parse(JSON.stringify(pair));
delete pair.public.kid;
delete pair.private.kid;
}
return pair;
});
};
ACME._toWebsafeBase64 = function (b64) {
return b64.replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g,"");
};
// In v8 this is crypto random, but we're just using it for pseudorandom
ACME._prnd = function (n) {
var rnd = '';
while (rnd.length / 2 < n) {
var num = Math.random().toString().substr(2);
if (num.length % 2) {
num = '0' + num;
}
var pairs = num.match(/(..?)/g);
rnd += pairs.map(ACME._toHex).join('');
}
return rnd.substr(0, n*2);
};
ACME._toHex = function (pair) {
return parseInt(pair, 10).toString(16);
};
ACME._dns01 = function (me, auth) {
return new me.request({ url: me._baseUrl + "/api/dns/" + auth.dnsHost + "?type=TXT" }).then(function (resp) {
var err;
if (!resp.body || !Array.isArray(resp.body.answer)) {
err = new Error("failed to get DNS response");
console.error(err);
throw err;
}
if (!resp.body.answer.length) {
err = new Error("failed to get DNS answer record in response");
console.error(err);
throw err;
}
return {
answer: resp.body.answer.map(function (ans) {
return { data: ans.data, ttl: ans.ttl };
})
};
});
};
ACME._http01 = function (me, auth) {
var url = encodeURIComponent(auth.challengeUrl);
return new me.request({ url: me._baseUrl + "/api/http?url=" + url }).then(function (resp) {
return resp.body;
});
};
ACME._removeChallenge = function (me, options, auth) {
return Promise.resolve().then(function () {
if (!options.challenges) { return; }
var ch = options.challenges[auth.type];
ch.remove(auth).catch(function (e) {
console.warn("challenge.remove error:");
console.warn(e);
});
});
};
Enc.bufToUrlBase64 = function (u8) {
return Enc.bufToBase64(u8)
.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
};
Enc.bufToBase64 = function (u8) {
var bin = '';
u8.forEach(function (i) {
bin += String.fromCharCode(i);
});
return btoa(bin);
};
Crypto._sha = function (sha, str) {
var encoder = new TextEncoder();
var data = encoder.encode(str);
sha = 'SHA-' + sha.replace(/^sha-?/i, '');
return window.crypto.subtle.digest(sha, data).then(function (hash) {
return Enc.bufToUrlBase64(new Uint8Array(hash));
});
};
}('undefined' === typeof window ? module.exports : window));
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