initial commit

node_modules/pbkdf2/lib/async.js

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+'use strict';
+
+var Buffer = require('safe-buffer').Buffer;
+
+var checkParameters = require('./precondition');
+var defaultEncoding = require('./default-encoding');
+var sync = require('./sync');
+var toBuffer = require('./to-buffer');
+
+var ZERO_BUF;
+var subtle = global.crypto && global.crypto.subtle;
+var toBrowser = {
+	sha: 'SHA-1',
+	'sha-1': 'SHA-1',
+	sha1: 'SHA-1',
+	sha256: 'SHA-256',
+	'sha-256': 'SHA-256',
+	sha384: 'SHA-384',
+	'sha-384': 'SHA-384',
+	'sha-512': 'SHA-512',
+	sha512: 'SHA-512'
+};
+var checks = [];
+var nextTick;
+function getNextTick() {
+	if (nextTick) {
+		return nextTick;
+	}
+	if (global.process && global.process.nextTick) {
+		nextTick = global.process.nextTick;
+	} else if (global.queueMicrotask) {
+		nextTick = global.queueMicrotask;
+	} else if (global.setImmediate) {
+		nextTick = global.setImmediate;
+	} else {
+		nextTick = global.setTimeout;
+	}
+	return nextTick;
+}
+function browserPbkdf2(password, salt, iterations, length, algo) {
+	return subtle.importKey('raw', password, { name: 'PBKDF2' }, false, ['deriveBits']).then(function (key) {
+		return subtle.deriveBits({
+			name: 'PBKDF2',
+			salt: salt,
+			iterations: iterations,
+			hash: {
+				name: algo
+			}
+		}, key, length << 3);
+	}).then(function (res) {
+		return Buffer.from(res);
+	});
+}
+function checkNative(algo) {
+	if (global.process && !global.process.browser) {
+		return Promise.resolve(false);
+	}
+	if (!subtle || !subtle.importKey || !subtle.deriveBits) {
+		return Promise.resolve(false);
+	}
+	if (checks[algo] !== undefined) {
+		return checks[algo];
+	}
+	ZERO_BUF = ZERO_BUF || Buffer.alloc(8);
+	var prom = browserPbkdf2(ZERO_BUF, ZERO_BUF, 10, 128, algo)
+		.then(
+			function () { return true; },
+			function () { return false; }
+		);
+	checks[algo] = prom;
+	return prom;
+}
+
+function resolvePromise(promise, callback) {
+	promise.then(function (out) {
+		getNextTick()(function () {
+			callback(null, out);
+		});
+	}, function (e) {
+		getNextTick()(function () {
+			callback(e);
+		});
+	});
+}
+module.exports = function (password, salt, iterations, keylen, digest, callback) {
+	if (typeof digest === 'function') {
+		callback = digest;
+		digest = undefined;
+	}
+
+	checkParameters(iterations, keylen);
+	password = toBuffer(password, defaultEncoding, 'Password');
+	salt = toBuffer(salt, defaultEncoding, 'Salt');
+	if (typeof callback !== 'function') {
+		throw new Error('No callback provided to pbkdf2');
+	}
+
+	digest = digest || 'sha1';
+	var algo = toBrowser[digest.toLowerCase()];
+
+	if (!algo || typeof global.Promise !== 'function') {
+		getNextTick()(function () {
+			var out;
+			try {
+				out = sync(password, salt, iterations, keylen, digest);
+			} catch (e) {
+				callback(e);
+				return;
+			}
+			callback(null, out);
+		});
+		return;
+	}
+
+	resolvePromise(checkNative(algo).then(function (resp) {
+		if (resp) {
+			return browserPbkdf2(password, salt, iterations, keylen, algo);
+		}
+
+		return sync(password, salt, iterations, keylen, digest);
+	}), callback);
+};

node_modules/pbkdf2/lib/default-encoding.js

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+'use strict';
+
+var defaultEncoding;
+/* istanbul ignore next */
+if (global.process && global.process.browser) {
+	defaultEncoding = 'utf-8';
+} else if (global.process && global.process.version) {
+	var pVersionMajor = parseInt(process.version.split('.')[0].slice(1), 10);
+
+	defaultEncoding = pVersionMajor >= 6 ? 'utf-8' : 'binary';
+} else {
+	defaultEncoding = 'utf-8';
+}
+module.exports = defaultEncoding;

node_modules/pbkdf2/lib/precondition.js

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+'use strict';
+
+var $isFinite = isFinite;
+var MAX_ALLOC = Math.pow(2, 30) - 1; // default in iojs
+
+module.exports = function (iterations, keylen) {
+	if (typeof iterations !== 'number') {
+		throw new TypeError('Iterations not a number');
+	}
+
+	if (iterations < 0 || !$isFinite(iterations)) {
+		throw new TypeError('Bad iterations');
+	}
+
+	if (typeof keylen !== 'number') {
+		throw new TypeError('Key length not a number');
+	}
+
+	if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
+		throw new TypeError('Bad key length');
+	}
+};

node_modules/pbkdf2/lib/sync-browser.js

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+'use strict';
+
+var md5 = require('create-hash/md5');
+var RIPEMD160 = require('ripemd160');
+var sha = require('sha.js');
+var Buffer = require('safe-buffer').Buffer;
+
+var checkParameters = require('./precondition');
+var defaultEncoding = require('./default-encoding');
+var toBuffer = require('./to-buffer');
+
+var ZEROS = Buffer.alloc(128);
+var sizes = {
+	__proto__: null,
+	md5: 16,
+	sha1: 20,
+	sha224: 28,
+	sha256: 32,
+	sha384: 48,
+	sha512: 64,
+	'sha512-256': 32,
+	ripemd160: 20,
+	rmd160: 20
+};
+
+var mapping = {
+	__proto__: null,
+	'sha-1': 'sha1',
+	'sha-224': 'sha224',
+	'sha-256': 'sha256',
+	'sha-384': 'sha384',
+	'sha-512': 'sha512',
+	'ripemd-160': 'ripemd160'
+};
+
+function rmd160Func(data) {
+	return new RIPEMD160().update(data).digest();
+}
+
+function getDigest(alg) {
+	function shaFunc(data) {
+		return sha(alg).update(data).digest();
+	}
+
+	if (alg === 'rmd160' || alg === 'ripemd160') {
+		return rmd160Func;
+	}
+	if (alg === 'md5') {
+		return md5;
+	}
+	return shaFunc;
+}
+
+function Hmac(alg, key, saltLen) {
+	var hash = getDigest(alg);
+	var blocksize = alg === 'sha512' || alg === 'sha384' ? 128 : 64;
+
+	if (key.length > blocksize) {
+		key = hash(key);
+	} else if (key.length < blocksize) {
+		key = Buffer.concat([key, ZEROS], blocksize);
+	}
+
+	var ipad = Buffer.allocUnsafe(blocksize + sizes[alg]);
+	var opad = Buffer.allocUnsafe(blocksize + sizes[alg]);
+	for (var i = 0; i < blocksize; i++) {
+		ipad[i] = key[i] ^ 0x36;
+		opad[i] = key[i] ^ 0x5C;
+	}
+
+	var ipad1 = Buffer.allocUnsafe(blocksize + saltLen + 4);
+	ipad.copy(ipad1, 0, 0, blocksize);
+	this.ipad1 = ipad1;
+	this.ipad2 = ipad;
+	this.opad = opad;
+	this.alg = alg;
+	this.blocksize = blocksize;
+	this.hash = hash;
+	this.size = sizes[alg];
+}
+
+Hmac.prototype.run = function (data, ipad) {
+	data.copy(ipad, this.blocksize);
+	var h = this.hash(ipad);
+	h.copy(this.opad, this.blocksize);
+	return this.hash(this.opad);
+};
+
+function pbkdf2(password, salt, iterations, keylen, digest) {
+	checkParameters(iterations, keylen);
+	password = toBuffer(password, defaultEncoding, 'Password');
+	salt = toBuffer(salt, defaultEncoding, 'Salt');
+
+	var lowerDigest = (digest || 'sha1').toLowerCase();
+	var mappedDigest = mapping[lowerDigest] || lowerDigest;
+	var size = sizes[mappedDigest];
+	if (typeof size !== 'number' || !size) {
+		throw new TypeError('Digest algorithm not supported: ' + digest);
+	}
+
+	var hmac = new Hmac(mappedDigest, password, salt.length);
+
+	var DK = Buffer.allocUnsafe(keylen);
+	var block1 = Buffer.allocUnsafe(salt.length + 4);
+	salt.copy(block1, 0, 0, salt.length);
+
+	var destPos = 0;
+	var hLen = size;
+	var l = Math.ceil(keylen / hLen);
+
+	for (var i = 1; i <= l; i++) {
+		block1.writeUInt32BE(i, salt.length);
+
+		var T = hmac.run(block1, hmac.ipad1);
+		var U = T;
+
+		for (var j = 1; j < iterations; j++) {
+			U = hmac.run(U, hmac.ipad2);
+			for (var k = 0; k < hLen; k++) {
+				T[k] ^= U[k];
+			}
+		}
+
+		T.copy(DK, destPos);
+		destPos += hLen;
+	}
+
+	return DK;
+}
+
+module.exports = pbkdf2;

node_modules/pbkdf2/lib/sync.js

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+'use strict';
+
+var sizes = {
+	__proto__: null,
+	md5: 16,
+	sha1: 20,
+	sha224: 28,
+	sha256: 32,
+	sha384: 48,
+	sha512: 64,
+	'sha512-256': 32,
+	rmd160: 20,
+	ripemd160: 20
+};
+
+var mapping = {
+	__proto__: null,
+	'sha-1': 'sha1',
+	'sha-224': 'sha224',
+	'sha-256': 'sha256',
+	'sha-384': 'sha384',
+	'sha-512': 'sha512',
+	'ripemd-160': 'ripemd160'
+};
+
+var createHmac = require('create-hmac');
+var Buffer = require('safe-buffer').Buffer;
+
+var checkParameters = require('./precondition');
+var defaultEncoding = require('./default-encoding');
+var toBuffer = require('./to-buffer');
+
+function pbkdf2(password, salt, iterations, keylen, digest) {
+	checkParameters(iterations, keylen);
+	password = toBuffer(password, defaultEncoding, 'Password');
+	salt = toBuffer(salt, defaultEncoding, 'Salt');
+
+	var lowerDigest = (digest || 'sha1').toLowerCase();
+	var mappedDigest = mapping[lowerDigest] || lowerDigest;
+	var size = sizes[mappedDigest];
+	if (typeof size !== 'number' || !size) {
+		throw new TypeError('Digest algorithm not supported: ' + digest);
+	}
+
+	var DK = Buffer.allocUnsafe(keylen);
+	var block1 = Buffer.allocUnsafe(salt.length + 4);
+	salt.copy(block1, 0, 0, salt.length);
+
+	var destPos = 0;
+	var hLen = size;
+	var l = Math.ceil(keylen / hLen);
+
+	for (var i = 1; i <= l; i++) {
+		block1.writeUInt32BE(i, salt.length);
+
+		var T = createHmac(mappedDigest, password).update(block1).digest();
+		var U = T;
+
+		for (var j = 1; j < iterations; j++) {
+			U = createHmac(mappedDigest, password).update(U).digest();
+			for (var k = 0; k < hLen; k++) {
+				T[k] ^= U[k];
+			}
+		}
+
+		T.copy(DK, destPos);
+		destPos += hLen;
+	}
+
+	return DK;
+}
+
+module.exports = pbkdf2;

node_modules/pbkdf2/lib/to-buffer.js

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+'use strict';
+
+var Buffer = require('safe-buffer').Buffer;
+var toBuffer = require('to-buffer');
+
+var useUint8Array = typeof Uint8Array !== 'undefined';
+var useArrayBuffer = useUint8Array && typeof ArrayBuffer !== 'undefined';
+var isView = useArrayBuffer && ArrayBuffer.isView;
+
+module.exports = function (thing, encoding, name) {
+	if (
+		typeof thing === 'string'
+		|| Buffer.isBuffer(thing)
+		|| (useUint8Array && thing instanceof Uint8Array)
+		|| (isView && isView(thing))
+	) {
+		return toBuffer(thing, encoding);
+	}
+	throw new TypeError(name + ' must be a string, a Buffer, a Uint8Array, or a DataView');
+};