blob: 4bb9b95640cae536f6a811bf157a6ed7280bcb44 [file] [log] [blame]
'use strict';
/*
HTTP Hawk Authentication Scheme
Copyright (c) 2012-2016, Eran Hammer <eran@hammer.io>
BSD Licensed
*/
// Declare namespace
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var hawk = {
internals: {}
};
hawk.client = {
// Generate an Authorization header for a given request
/*
uri: 'http://example.com/resource?a=b' or object generated by hawk.utils.parseUri()
method: HTTP verb (e.g. 'GET', 'POST')
options: {
// Required
credentials: {
id: 'dh37fgj492je',
key: 'aoijedoaijsdlaksjdl',
algorithm: 'sha256' // 'sha1', 'sha256'
},
// Optional
ext: 'application-specific', // Application specific data sent via the ext attribute
timestamp: Date.now() / 1000, // A pre-calculated timestamp in seconds
nonce: '2334f34f', // A pre-generated nonce
localtimeOffsetMsec: 400, // Time offset to sync with server time (ignored if timestamp provided)
payload: '{"some":"payload"}', // UTF-8 encoded string for body hash generation (ignored if hash provided)
contentType: 'application/json', // Payload content-type (ignored if hash provided)
hash: 'U4MKKSmiVxk37JCCrAVIjV=', // Pre-calculated payload hash
app: '24s23423f34dx', // Oz application id
dlg: '234sz34tww3sd' // Oz delegated-by application id
}
*/
header: function header(uri, method, options) {
var result = {
field: '',
artifacts: {}
};
// Validate inputs
if (!uri || typeof uri !== 'string' && (typeof uri === 'undefined' ? 'undefined' : _typeof(uri)) !== 'object' || !method || typeof method !== 'string' || !options || (typeof options === 'undefined' ? 'undefined' : _typeof(options)) !== 'object') {
result.err = 'Invalid argument type';
return result;
}
// Application time
var timestamp = options.timestamp || hawk.utils.nowSec(options.localtimeOffsetMsec);
// Validate credentials
var credentials = options.credentials;
if (!credentials || !credentials.id || !credentials.key || !credentials.algorithm) {
result.err = 'Invalid credentials object';
return result;
}
if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
result.err = 'Unknown algorithm';
return result;
}
// Parse URI
if (typeof uri === 'string') {
uri = hawk.utils.parseUri(uri);
}
// Calculate signature
var artifacts = {
ts: timestamp,
nonce: options.nonce || hawk.utils.randomString(6),
method: method,
resource: uri.resource,
host: uri.host,
port: uri.port,
hash: options.hash,
ext: options.ext,
app: options.app,
dlg: options.dlg
};
result.artifacts = artifacts;
// Calculate payload hash
if (!artifacts.hash && (options.payload || options.payload === '')) {
artifacts.hash = hawk.crypto.calculatePayloadHash(options.payload, credentials.algorithm, options.contentType);
}
var mac = hawk.crypto.calculateMac('header', credentials, artifacts);
// Construct header
var hasExt = artifacts.ext !== null && artifacts.ext !== undefined && artifacts.ext !== ''; // Other falsey values allowed
var header = 'Hawk id="' + credentials.id + '", ts="' + artifacts.ts + '", nonce="' + artifacts.nonce + (artifacts.hash ? '", hash="' + artifacts.hash : '') + (hasExt ? '", ext="' + hawk.utils.escapeHeaderAttribute(artifacts.ext) : '') + '", mac="' + mac + '"';
if (artifacts.app) {
header += ', app="' + artifacts.app + (artifacts.dlg ? '", dlg="' + artifacts.dlg : '') + '"';
}
result.field = header;
return result;
},
// Generate a bewit value for a given URI
/*
uri: 'http://example.com/resource?a=b'
options: {
// Required
credentials: {
id: 'dh37fgj492je',
key: 'aoijedoaijsdlaksjdl',
algorithm: 'sha256' // 'sha1', 'sha256'
},
ttlSec: 60 * 60, // TTL in seconds
// Optional
ext: 'application-specific', // Application specific data sent via the ext attribute
localtimeOffsetMsec: 400 // Time offset to sync with server time
};
*/
bewit: function bewit(uri, options) {
// Validate inputs
if (!uri || typeof uri !== 'string' || !options || (typeof options === 'undefined' ? 'undefined' : _typeof(options)) !== 'object' || !options.ttlSec) {
return '';
}
options.ext = options.ext === null || options.ext === undefined ? '' : options.ext; // Zero is valid value
// Application time
var now = hawk.utils.nowSec(options.localtimeOffsetMsec);
// Validate credentials
var credentials = options.credentials;
if (!credentials || !credentials.id || !credentials.key || !credentials.algorithm) {
return '';
}
if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
return '';
}
// Parse URI
uri = hawk.utils.parseUri(uri);
// Calculate signature
var exp = now + options.ttlSec;
var mac = hawk.crypto.calculateMac('bewit', credentials, {
ts: exp,
nonce: '',
method: 'GET',
resource: uri.resource, // Maintain trailing '?' and query params
host: uri.host,
port: uri.port,
ext: options.ext
});
// Construct bewit: id\exp\mac\ext
var bewit = credentials.id + '\\' + exp + '\\' + mac + '\\' + options.ext;
return hawk.utils.base64urlEncode(bewit);
},
// Validate server response
/*
request: object created via 'new XMLHttpRequest()' after response received or fetch API 'Response'
artifacts: object received from header().artifacts
options: {
payload: optional payload received
required: specifies if a Server-Authorization header is required. Defaults to 'false'
}
*/
authenticate: function authenticate(request, credentials, artifacts, options) {
options = options || {};
var getHeader = function getHeader(name) {
// Fetch API or plain headers
if (request.headers) {
return typeof request.headers.get === 'function' ? request.headers.get(name) : request.headers[name];
}
// XMLHttpRequest
return request.getResponseHeader ? request.getResponseHeader(name) : request.getHeader(name);
};
var wwwAuthenticate = getHeader('www-authenticate');
if (wwwAuthenticate) {
// Parse HTTP WWW-Authenticate header
var wwwAttributes = hawk.utils.parseAuthorizationHeader(wwwAuthenticate, ['ts', 'tsm', 'error']);
if (!wwwAttributes) {
return false;
}
if (wwwAttributes.ts) {
var tsm = hawk.crypto.calculateTsMac(wwwAttributes.ts, credentials);
if (tsm !== wwwAttributes.tsm) {
return false;
}
hawk.utils.setNtpSecOffset(wwwAttributes.ts - Math.floor(Date.now() / 1000)); // Keep offset at 1 second precision
}
}
// Parse HTTP Server-Authorization header
var serverAuthorization = getHeader('server-authorization');
if (!serverAuthorization && !options.required) {
return true;
}
var attributes = hawk.utils.parseAuthorizationHeader(serverAuthorization, ['mac', 'ext', 'hash']);
if (!attributes) {
return false;
}
var modArtifacts = {
ts: artifacts.ts,
nonce: artifacts.nonce,
method: artifacts.method,
resource: artifacts.resource,
host: artifacts.host,
port: artifacts.port,
hash: attributes.hash,
ext: attributes.ext,
app: artifacts.app,
dlg: artifacts.dlg
};
var mac = hawk.crypto.calculateMac('response', credentials, modArtifacts);
if (mac !== attributes.mac) {
return false;
}
if (!options.payload && options.payload !== '') {
return true;
}
if (!attributes.hash) {
return false;
}
var calculatedHash = hawk.crypto.calculatePayloadHash(options.payload, credentials.algorithm, getHeader('content-type'));
return calculatedHash === attributes.hash;
},
message: function message(host, port, _message, options) {
// Validate inputs
if (!host || typeof host !== 'string' || !port || typeof port !== 'number' || _message === null || _message === undefined || typeof _message !== 'string' || !options || (typeof options === 'undefined' ? 'undefined' : _typeof(options)) !== 'object') {
return null;
}
// Application time
var timestamp = options.timestamp || hawk.utils.nowSec(options.localtimeOffsetMsec);
// Validate credentials
var credentials = options.credentials;
if (!credentials || !credentials.id || !credentials.key || !credentials.algorithm) {
// Invalid credential object
return null;
}
if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
return null;
}
// Calculate signature
var artifacts = {
ts: timestamp,
nonce: options.nonce || hawk.utils.randomString(6),
host: host,
port: port,
hash: hawk.crypto.calculatePayloadHash(_message, credentials.algorithm)
};
// Construct authorization
var result = {
id: credentials.id,
ts: artifacts.ts,
nonce: artifacts.nonce,
hash: artifacts.hash,
mac: hawk.crypto.calculateMac('message', credentials, artifacts)
};
return result;
},
authenticateTimestamp: function authenticateTimestamp(message, credentials, updateClock) {
// updateClock defaults to true
var tsm = hawk.crypto.calculateTsMac(message.ts, credentials);
if (tsm !== message.tsm) {
return false;
}
if (updateClock !== false) {
hawk.utils.setNtpSecOffset(message.ts - Math.floor(Date.now() / 1000)); // Keep offset at 1 second precision
}
return true;
}
};
hawk.crypto = {
headerVersion: '1',
algorithms: ['sha1', 'sha256'],
calculateMac: function calculateMac(type, credentials, options) {
var normalized = hawk.crypto.generateNormalizedString(type, options);
var hmac = CryptoJS['Hmac' + credentials.algorithm.toUpperCase()](normalized, credentials.key);
return hmac.toString(CryptoJS.enc.Base64);
},
generateNormalizedString: function generateNormalizedString(type, options) {
var normalized = 'hawk.' + hawk.crypto.headerVersion + '.' + type + '\n' + options.ts + '\n' + options.nonce + '\n' + (options.method || '').toUpperCase() + '\n' + (options.resource || '') + '\n' + options.host.toLowerCase() + '\n' + options.port + '\n' + (options.hash || '') + '\n';
if (options.ext) {
normalized += options.ext.replace('\\', '\\\\').replace('\n', '\\n');
}
normalized += '\n';
if (options.app) {
normalized += options.app + '\n' + (options.dlg || '') + '\n';
}
return normalized;
},
calculatePayloadHash: function calculatePayloadHash(payload, algorithm, contentType) {
var hash = CryptoJS.algo[algorithm.toUpperCase()].create();
hash.update('hawk.' + hawk.crypto.headerVersion + '.payload\n');
hash.update(hawk.utils.parseContentType(contentType) + '\n');
hash.update(payload);
hash.update('\n');
return hash.finalize().toString(CryptoJS.enc.Base64);
},
calculateTsMac: function calculateTsMac(ts, credentials) {
var hash = CryptoJS['Hmac' + credentials.algorithm.toUpperCase()]('hawk.' + hawk.crypto.headerVersion + '.ts\n' + ts + '\n', credentials.key);
return hash.toString(CryptoJS.enc.Base64);
}
};
// localStorage compatible interface
hawk.internals.LocalStorage = function () {
this._cache = {};
this.length = 0;
this.getItem = function (key) {
return this._cache.hasOwnProperty(key) ? String(this._cache[key]) : null;
};
this.setItem = function (key, value) {
this._cache[key] = String(value);
this.length = Object.keys(this._cache).length;
};
this.removeItem = function (key) {
delete this._cache[key];
this.length = Object.keys(this._cache).length;
};
this.clear = function () {
this._cache = {};
this.length = 0;
};
this.key = function (i) {
return Object.keys(this._cache)[i || 0];
};
};
hawk.utils = {
storage: new hawk.internals.LocalStorage(),
setStorage: function setStorage(storage) {
var ntpOffset = hawk.utils.storage.getItem('hawk_ntp_offset');
hawk.utils.storage = storage;
if (ntpOffset) {
hawk.utils.setNtpSecOffset(ntpOffset);
}
},
setNtpSecOffset: function setNtpSecOffset(offset) {
try {
hawk.utils.storage.setItem('hawk_ntp_offset', offset);
} catch (err) {
console.error('[hawk] could not write to storage.');
console.error(err);
}
},
getNtpSecOffset: function getNtpSecOffset() {
var offset = hawk.utils.storage.getItem('hawk_ntp_offset');
if (!offset) {
return 0;
}
return parseInt(offset, 10);
},
now: function now(localtimeOffsetMsec) {
return Date.now() + (localtimeOffsetMsec || 0) + hawk.utils.getNtpSecOffset() * 1000;
},
nowSec: function nowSec(localtimeOffsetMsec) {
return Math.floor(hawk.utils.now(localtimeOffsetMsec) / 1000);
},
escapeHeaderAttribute: function escapeHeaderAttribute(attribute) {
return attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');
},
parseContentType: function parseContentType(header) {
if (!header) {
return '';
}
return header.split(';')[0].replace(/^\s+|\s+$/g, '').toLowerCase();
},
parseAuthorizationHeader: function parseAuthorizationHeader(header, keys) {
if (!header) {
return null;
}
var headerParts = header.match(/^(\w+)(?:\s+(.*))?$/); // Header: scheme[ something]
if (!headerParts) {
return null;
}
var scheme = headerParts[1];
if (scheme.toLowerCase() !== 'hawk') {
return null;
}
var attributesString = headerParts[2];
if (!attributesString) {
return null;
}
var attributes = {};
var verify = attributesString.replace(/(\w+)="([^"\\]*)"\s*(?:,\s*|$)/g, function ($0, $1, $2) {
// Check valid attribute names
if (keys.indexOf($1) === -1) {
return;
}
// Allowed attribute value characters: !#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9
if ($2.match(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~]+$/) === null) {
return;
}
// Check for duplicates
if (attributes.hasOwnProperty($1)) {
return;
}
attributes[$1] = $2;
return '';
});
if (verify !== '') {
return null;
}
return attributes;
},
randomString: function randomString(size) {
var randomSource = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
var len = randomSource.length;
var result = [];
for (var i = 0; i < size; ++i) {
result[i] = randomSource[Math.floor(Math.random() * len)];
}
return result.join('');
},
// 1 2 3 4
uriRegex: /^([^:]+)\:\/\/(?:[^@/]*@)?([^\/:]+)(?:\:(\d+))?([^#]*)(?:#.*)?$/, // scheme://credentials@host:port/resource#fragment
parseUri: function parseUri(input) {
var parts = input.match(hawk.utils.uriRegex);
if (!parts) {
return { host: '', port: '', resource: '' };
}
var scheme = parts[1].toLowerCase();
var uri = {
host: parts[2],
port: parts[3] || (scheme === 'http' ? '80' : scheme === 'https' ? '443' : ''),
resource: parts[4]
};
return uri;
},
base64urlEncode: function base64urlEncode(value) {
var wordArray = CryptoJS.enc.Utf8.parse(value);
var encoded = CryptoJS.enc.Base64.stringify(wordArray);
return encoded.replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, '');
}
};
// $lab:coverage:off$
/* eslint-disable */
// Based on: Crypto-JS v3.1.2
// Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
// http://code.google.com/p/crypto-js/
// http://code.google.com/p/crypto-js/wiki/License
var CryptoJS = CryptoJS || function (h, r) {
var k = {},
l = k.lib = {},
n = function n() {},
f = l.Base = { extend: function extend(a) {
n.prototype = this;var b = new n();a && b.mixIn(a);b.hasOwnProperty("init") || (b.init = function () {
b.$super.init.apply(this, arguments);
});b.init.prototype = b;b.$super = this;return b;
}, create: function create() {
var a = this.extend();a.init.apply(a, arguments);return a;
}, init: function init() {}, mixIn: function mixIn(a) {
for (var _b in a) {
a.hasOwnProperty(_b) && (this[_b] = a[_b]);
}a.hasOwnProperty("toString") && (this.toString = a.toString);
}, clone: function clone() {
return this.init.prototype.extend(this);
} },
j = l.WordArray = f.extend({ init: function init(a, b) {
a = this.words = a || [];this.sigBytes = b != r ? b : 4 * a.length;
}, toString: function toString(a) {
return (a || s).stringify(this);
}, concat: function concat(a) {
var b = this.words,
d = a.words,
c = this.sigBytes;a = a.sigBytes;this.clamp();if (c % 4) for (var e = 0; e < a; e++) {
b[c + e >>> 2] |= (d[e >>> 2] >>> 24 - 8 * (e % 4) & 255) << 24 - 8 * ((c + e) % 4);
} else if (65535 < d.length) for (var _e = 0; _e < a; _e += 4) {
b[c + _e >>> 2] = d[_e >>> 2];
} else b.push.apply(b, d);this.sigBytes += a;return this;
}, clamp: function clamp() {
var a = this.words,
b = this.sigBytes;a[b >>> 2] &= 4294967295 << 32 - 8 * (b % 4);a.length = h.ceil(b / 4);
}, clone: function clone() {
var a = f.clone.call(this);a.words = this.words.slice(0);return a;
}, random: function random(a) {
for (var _b2 = [], d = 0; d < a; d += 4) {
_b2.push(4294967296 * h.random() | 0);
}return new j.init(b, a);
} }),
m = k.enc = {},
s = m.Hex = { stringify: function stringify(a) {
var b = a.words;a = a.sigBytes;for (var d = [], c = 0; c < a; c++) {
var e = b[c >>> 2] >>> 24 - 8 * (c % 4) & 255;d.push((e >>> 4).toString(16));d.push((e & 15).toString(16));
}return d.join("");
}, parse: function parse(a) {
for (var b = a.length, d = [], c = 0; c < b; c += 2) {
d[c >>> 3] |= parseInt(a.substr(c, 2), 16) << 24 - 4 * (c % 8);
}return new j.init(d, b / 2);
} },
p = m.Latin1 = { stringify: function stringify(a) {
var b = a.words;a = a.sigBytes;for (var d = [], c = 0; c < a; c++) {
d.push(String.fromCharCode(b[c >>> 2] >>> 24 - 8 * (c % 4) & 255));
}return d.join("");
}, parse: function parse(a) {
for (var b = a.length, d = [], c = 0; c < b; c++) {
d[c >>> 2] |= (a.charCodeAt(c) & 255) << 24 - 8 * (c % 4);
}return new j.init(d, b);
} },
t = m.Utf8 = { stringify: function stringify(a) {
try {
return decodeURIComponent(escape(p.stringify(a)));
} catch (b) {
throw Error("Malformed UTF-8 data");
}
}, parse: function parse(a) {
return p.parse(unescape(encodeURIComponent(a)));
} },
q = l.BufferedBlockAlgorithm = f.extend({ reset: function reset() {
this._data = new j.init();this._nDataBytes = 0;
}, _append: function _append(a) {
"string" == typeof a && (a = t.parse(a));this._data.concat(a);this._nDataBytes += a.sigBytes;
}, _process: function _process(a) {
var b = this._data,
d = b.words,
c = b.sigBytes,
e = this.blockSize,
f = c / (4 * e),
f = a ? h.ceil(f) : h.max((f | 0) - this._minBufferSize, 0);a = f * e;c = h.min(4 * a, c);if (a) {
for (var g = 0; g < a; g += e) {
this._doProcessBlock(d, g);
}g = d.splice(0, a);b.sigBytes -= c;
}return new j.init(g, c);
}, clone: function clone() {
var a = f.clone.call(this);a._data = this._data.clone();return a;
}, _minBufferSize: 0 });l.Hasher = q.extend({ cfg: f.extend(), init: function init(a) {
this.cfg = this.cfg.extend(a);this.reset();
}, reset: function reset() {
q.reset.call(this);this._doReset();
}, update: function update(a) {
this._append(a);this._process();return this;
}, finalize: function finalize(a) {
a && this._append(a);return this._doFinalize();
}, blockSize: 16, _createHelper: function _createHelper(a) {
return function (b, d) {
return new a.init(d).finalize(b);
};
}, _createHmacHelper: function _createHmacHelper(a) {
return function (b, d) {
return new u.HMAC.init(a, d).finalize(b);
};
} });var u = k.algo = {};return k;
}(Math);
(function () {
var k = CryptoJS,
b = k.lib,
m = b.WordArray,
l = b.Hasher,
d = [],
b = k.algo.SHA1 = l.extend({ _doReset: function _doReset() {
this._hash = new m.init([1732584193, 4023233417, 2562383102, 271733878, 3285377520]);
}, _doProcessBlock: function _doProcessBlock(n, p) {
for (var a = this._hash.words, e = a[0], f = a[1], h = a[2], j = a[3], b = a[4], c = 0; 80 > c; c++) {
if (16 > c) d[c] = n[p + c] | 0;else {
var g = d[c - 3] ^ d[c - 8] ^ d[c - 14] ^ d[c - 16];d[c] = g << 1 | g >>> 31;
}g = (e << 5 | e >>> 27) + b + d[c];g = 20 > c ? g + ((f & h | ~f & j) + 1518500249) : 40 > c ? g + ((f ^ h ^ j) + 1859775393) : 60 > c ? g + ((f & h | f & j | h & j) - 1894007588) : g + ((f ^ h ^ j) - 899497514);b = j;j = h;h = f << 30 | f >>> 2;f = e;e = g;
}a[0] = a[0] + e | 0;a[1] = a[1] + f | 0;a[2] = a[2] + h | 0;a[3] = a[3] + j | 0;a[4] = a[4] + b | 0;
}, _doFinalize: function _doFinalize() {
var b = this._data,
d = b.words,
a = 8 * this._nDataBytes,
e = 8 * b.sigBytes;d[e >>> 5] |= 128 << 24 - e % 32;d[(e + 64 >>> 9 << 4) + 14] = Math.floor(a / 4294967296);d[(e + 64 >>> 9 << 4) + 15] = a;b.sigBytes = 4 * d.length;this._process();return this._hash;
}, clone: function clone() {
var b = l.clone.call(this);b._hash = this._hash.clone();return b;
} });k.SHA1 = l._createHelper(b);k.HmacSHA1 = l._createHmacHelper(b);
})();
(function (k) {
for (var g = CryptoJS, h = g.lib, v = h.WordArray, j = h.Hasher, h = g.algo, s = [], t = [], u = function u(q) {
return 4294967296 * (q - (q | 0)) | 0;
}, l = 2, b = 0; 64 > b;) {
var d;a: {
d = l;for (var w = k.sqrt(d), r = 2; r <= w; r++) {
if (!(d % r)) {
d = !1;break a;
}
}d = !0;
}d && (8 > b && (s[b] = u(k.pow(l, 0.5))), t[b] = u(k.pow(l, 1 / 3)), b++);l++;
}var n = [],
h = h.SHA256 = j.extend({ _doReset: function _doReset() {
this._hash = new v.init(s.slice(0));
}, _doProcessBlock: function _doProcessBlock(q, h) {
for (var a = this._hash.words, c = a[0], d = a[1], b = a[2], k = a[3], f = a[4], g = a[5], j = a[6], l = a[7], e = 0; 64 > e; e++) {
if (16 > e) n[e] = q[h + e] | 0;else {
var m = n[e - 15],
p = n[e - 2];n[e] = ((m << 25 | m >>> 7) ^ (m << 14 | m >>> 18) ^ m >>> 3) + n[e - 7] + ((p << 15 | p >>> 17) ^ (p << 13 | p >>> 19) ^ p >>> 10) + n[e - 16];
}m = l + ((f << 26 | f >>> 6) ^ (f << 21 | f >>> 11) ^ (f << 7 | f >>> 25)) + (f & g ^ ~f & j) + t[e] + n[e];p = ((c << 30 | c >>> 2) ^ (c << 19 | c >>> 13) ^ (c << 10 | c >>> 22)) + (c & d ^ c & b ^ d & b);l = j;j = g;g = f;f = k + m | 0;k = b;b = d;d = c;c = m + p | 0;
}a[0] = a[0] + c | 0;a[1] = a[1] + d | 0;a[2] = a[2] + b | 0;a[3] = a[3] + k | 0;a[4] = a[4] + f | 0;a[5] = a[5] + g | 0;a[6] = a[6] + j | 0;a[7] = a[7] + l | 0;
}, _doFinalize: function _doFinalize() {
var d = this._data,
b = d.words,
a = 8 * this._nDataBytes,
c = 8 * d.sigBytes;b[c >>> 5] |= 128 << 24 - c % 32;b[(c + 64 >>> 9 << 4) + 14] = k.floor(a / 4294967296);b[(c + 64 >>> 9 << 4) + 15] = a;d.sigBytes = 4 * b.length;this._process();return this._hash;
}, clone: function clone() {
var b = j.clone.call(this);b._hash = this._hash.clone();return b;
} });g.SHA256 = j._createHelper(h);g.HmacSHA256 = j._createHmacHelper(h);
})(Math);
(function () {
var c = CryptoJS,
k = c.enc.Utf8;c.algo.HMAC = c.lib.Base.extend({ init: function init(a, b) {
a = this._hasher = new a.init();"string" == typeof b && (b = k.parse(b));var c = a.blockSize,
e = 4 * c;b.sigBytes > e && (b = a.finalize(b));b.clamp();for (var f = this._oKey = b.clone(), g = this._iKey = b.clone(), h = f.words, j = g.words, d = 0; d < c; d++) {
h[d] ^= 1549556828, j[d] ^= 909522486;
}f.sigBytes = g.sigBytes = e;this.reset();
}, reset: function reset() {
var a = this._hasher;a.reset();a.update(this._iKey);
}, update: function update(a) {
this._hasher.update(a);return this;
}, finalize: function finalize(a) {
var b = this._hasher;a = b.finalize(a);b.reset();return b.finalize(this._oKey.clone().concat(a));
} });
})();
(function () {
var h = CryptoJS,
j = h.lib.WordArray;h.enc.Base64 = { stringify: function stringify(b) {
var e = b.words,
f = b.sigBytes,
c = this._map;b.clamp();b = [];for (var a = 0; a < f; a += 3) {
for (var d = (e[a >>> 2] >>> 24 - 8 * (a % 4) & 255) << 16 | (e[a + 1 >>> 2] >>> 24 - 8 * ((a + 1) % 4) & 255) << 8 | e[a + 2 >>> 2] >>> 24 - 8 * ((a + 2) % 4) & 255, g = 0; 4 > g && a + 0.75 * g < f; g++) {
b.push(c.charAt(d >>> 6 * (3 - g) & 63));
}
}if (e = c.charAt(64)) for (; b.length % 4;) {
b.push(e);
}return b.join("");
}, parse: function parse(b) {
var e = b.length,
f = this._map,
c = f.charAt(64);c && (c = b.indexOf(c), -1 != c && (e = c));for (var c = [], a = 0, d = 0; d < e; d++) {
if (d % 4) {
var g = f.indexOf(b.charAt(d - 1)) << 2 * (d % 4),
h = f.indexOf(b.charAt(d)) >>> 6 - 2 * (d % 4);c[a >>> 2] |= (g | h) << 24 - 8 * (a % 4);a++;
}
}return j.create(c, a);
}, _map: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=" };
})();
hawk.crypto.utils = CryptoJS;
// Export if used as a module
if (typeof module !== 'undefined' && module.exports) {
module.exports = hawk;
}
/* eslint-enable */
// $lab:coverage:on$