IE fixes and crypto shims

This commit is contained in:
Kyle Spearrin 2017-07-08 00:12:57 -04:00
parent ab12c990bc
commit b62950fa2b
14 changed files with 698 additions and 35 deletions

View File

@ -182,6 +182,10 @@ gulp.task('lib', ['clean:lib'], function () {
{
src: paths.npmDir + 'duo_web_sdk/index.js',
dest: paths.libDir + 'duo'
},
{
src: paths.npmDir + 'angular-promise-polyfill/index.js',
dest: paths.libDir + 'angular-promise-polyfill'
}
];

View File

@ -49,6 +49,7 @@
"vinyl-source-stream": "1.1.0",
"gulp-derequire": "2.1.0",
"exposify": "0.5.0",
"duo_web_sdk": "git+https://github.com/duosecurity/duo_web_sdk.git"
"duo_web_sdk": "git+https://github.com/duosecurity/duo_web_sdk.git",
"angular-promise-polyfill": "0.0.4"
}
}

View File

@ -9,6 +9,7 @@
'angulartics.google.analytics',
'angular-stripe',
'credit-cards',
'angular-promise-polyfill',
'bit.directives',
'bit.filters',

View File

@ -55,6 +55,12 @@ angular
$httpProvider.defaults.headers.post['Content-Type'] = 'text/plain; charset=utf-8';
if (!$httpProvider.defaults.headers.get) {
$httpProvider.defaults.headers.get = {};
}
$httpProvider.defaults.headers.get['Cache-Control'] = 'no-cache';
$httpProvider.defaults.headers.get['Pragma'] = 'no-cache';
$httpProvider.interceptors.push('apiInterceptor');
$httpProvider.interceptors.push('jwtInterceptor');

View File

@ -76,7 +76,7 @@ angular
var sign = function (keyBytes, timeBytes) {
return window.crypto.subtle.importKey('raw', keyBytes,
{ name: 'HMAC', hash: { name: 'SHA-1' } }, false, ['sign']).then(function (key) {
return window.crypto.subtle.sign({ name: 'HMAC' }, key, timeBytes);
return window.crypto.subtle.sign({ name: 'HMAC', hash: { name: 'SHA-1' } }, key, timeBytes);
}).then(function (signature) {
return buff2hex(signature);
}).catch(function (err) {

View File

@ -2,7 +2,7 @@
.module('bit.organization')
.controller('organizationVaultAttachmentsController', function ($scope, apiService, $uibModalInstance, cryptoService,
cipherService, loginId, $analytics, validationService, toastr) {
cipherService, loginId, $analytics, validationService, toastr, $timeout) {
$analytics.eventTrack('organizationVaultAttachmentsController', { category: 'Modal' });
$scope.login = {};
$scope.loading = true;
@ -31,8 +31,9 @@
var reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onload = function (evt) {
$timeout(function () {
form.$loading = true;
$scope.$apply();
});
var key = cryptoService.getOrgKey($scope.login.organizationId);
var encFilename = cryptoService.encrypt(file.name, key);
@ -61,8 +62,9 @@
req.responseType = 'arraybuffer';
req.onload = function (evt) {
if (!req.response) {
$timeout(function () {
attachment.loading = false;
$scope.$apply();
});
// error
return;
@ -85,8 +87,9 @@
document.body.removeChild(a);
}
$timeout(function () {
attachment.loading = false;
$scope.$apply();
});
});
};
req.send(null);

View File

@ -521,17 +521,17 @@ angular
return null;
}
ivBytes = encBytes.slice(1, 17);
macBytes = encBytes.slice(17, 49);
ctBytes = encBytes.slice(49);
ivBytes = slice(encBytes, 1, 17);
macBytes = slice(encBytes, 17, 49);
ctBytes = slice(encBytes, 49);
break;
case constants.encType.AesCbc256_B64:
if (encBytes.length <= 17) { // 1 + 16 + ctLength
return null;
}
ivBytes = encBytes.slice(1, 17);
ctBytes = encBytes.slice(17);
ivBytes = slice(encBytes, 1, 17);
ctBytes = slice(encBytes, 17);
break;
default:
return null;
@ -578,7 +578,6 @@ angular
}
return window.crypto.subtle.decrypt({ name: 'AES-CBC', iv: ivBuf }, encKey, ctBuf);
});
}
_service.rsaDecrypt = function (encValue, privateKey, key) {
@ -666,7 +665,7 @@ angular
function computeMacWC(dataBuf, macKeyBuf) {
return window.crypto.subtle.importKey('raw', macKeyBuf, { name: 'HMAC', hash: { name: 'SHA-256' } }, false, ['sign'])
.then(function (key) {
return window.crypto.subtle.sign({ name: 'HMAC' }, key, dataBuf);
return window.crypto.subtle.sign({ name: 'HMAC', hash: { name: 'SHA-256' } }, key, dataBuf);
});
}
@ -693,10 +692,10 @@ angular
return window.crypto.subtle.importKey('raw', macKeyBuf, { name: 'HMAC', hash: { name: 'SHA-256' } }, false, ['sign'])
.then(function (key) {
macKey = key;
return window.crypto.subtle.sign({ name: 'HMAC' }, macKey, mac1Buf);
return window.crypto.subtle.sign({ name: 'HMAC', hash: { name: 'SHA-256' } }, macKey, mac1Buf);
}).then(function (mac) {
mac1 = mac;
return window.crypto.subtle.sign({ name: 'HMAC' }, macKey, mac2Buf);
return window.crypto.subtle.sign({ name: 'HMAC', hash: { name: 'SHA-256' } }, macKey, mac2Buf);
}).then(function (mac2) {
if (mac1.byteLength !== mac2.byteLength) {
return false;
@ -775,8 +774,8 @@ angular
};
if (this.macKey) {
keys.encKey = key.slice(0, key.length / 2).buffer;
keys.macKey = key.slice(key.length / 2).buffer;
keys.encKey = slice(key, 0, key.length / 2).buffer;
keys.macKey = slice(key, key.length / 2).buffer;
}
else {
keys.encKey = key.buffer;
@ -796,5 +795,48 @@ angular
return arr;
}
function slice(arr, begin, end) {
if (arr.slice) {
return arr.slice(begin, end);
}
// shim for IE
// ref: https://stackoverflow.com/a/21440217
arr = arr.buffer;
if (begin === void 0) {
begin = 0;
}
if (end === void 0) {
end = arr.byteLength;
}
begin = Math.floor(begin);
end = Math.floor(end);
if (begin < 0) {
begin += arr.byteLength;
}
if (end < 0) {
end += arr.byteLength;
}
begin = Math.min(Math.max(0, begin), arr.byteLength);
end = Math.min(Math.max(0, end), arr.byteLength);
if (end - begin <= 0) {
return new ArrayBuffer(0);
}
var result = new ArrayBuffer(end - begin);
var resultBytes = new Uint8Array(result);
var sourceBytes = new Uint8Array(arr, begin, end - begin);
resultBytes.set(sourceBytes);
return new Uint8Array(result);
}
return _service;
});

View File

@ -45,14 +45,16 @@
return;
}
else if (data.errorCode) {
$timeout(function () {
$scope.deviceError = true;
$scope.$apply();
});
console.log('error: ' + data.errorCode);
return;
}
$timeout(function () {
$scope.deviceResponse = JSON.stringify(data);
$scope.$apply();
});
}, 10);
};

View File

@ -2,7 +2,7 @@
.module('bit.vault')
.controller('vaultAttachmentsController', function ($scope, apiService, $uibModalInstance, cryptoService, cipherService,
loginId, $analytics, validationService, toastr) {
loginId, $analytics, validationService, toastr, $timeout) {
$analytics.eventTrack('vaultAttachmentsController', { category: 'Modal' });
$scope.login = {};
$scope.readOnly = true;
@ -33,8 +33,9 @@
var reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onload = function (evt) {
$timeout(function () {
form.$loading = true;
$scope.$apply();
});
var key = getKeyForLogin();
@ -65,8 +66,9 @@
req.responseType = 'arraybuffer';
req.onload = function (evt) {
if (!req.response) {
$timeout(function () {
attachment.loading = false;
$scope.$apply();
});
// error
return;
@ -88,8 +90,9 @@
document.body.removeChild(a);
}
$timeout(function () {
attachment.loading = false;
$scope.$apply();
});
});
};
req.send(null);

View File

@ -38,7 +38,7 @@
<a href="#" stop-click ng-click="download(attachment)">{{attachment.fileName}}</a>
<i class="fa fa-spinner fa-spin text-muted" ng-if="attachment.loading"></i>
</td>
<td style="width: 80px; min-width: 80px;">
<td style="width: 90px; min-width: 90px;">
{{attachment.size}}
</td>
</tr>

View File

@ -89,8 +89,10 @@
<script src="lib/papaparse/papaparse.js"></script>
<script src="lib/clipboard/clipboard.js"></script>
<script src="lib/duo/index.js"></script>
<script src="js/webcrypto-shim.js"></script>
<script src="lib/angular/angular.js"></script>
<script src="lib/angular-promise-polyfill/index.js"></script>
<script src="lib/angular-cookies/angular-cookies.js"></script>
<script src="lib/angular-sanitize/angular-sanitize.js"></script>
<script src="lib/angular-messages/angular-messages.js"></script>

View File

@ -22,7 +22,7 @@ var u2f = u2f || {};
* Modification:
* Check if browser supports U2F API before this wrapper was added.
*/
u2f.isSupported = !!(((typeof u2f !== 'undefined') && u2f.register) || (chrome && chrome.runtime));
u2f.isSupported = !!(((typeof u2f !== 'undefined') && u2f.register) || ((typeof chrome !== 'undefined') && chrome.runtime));
/**
* FIDO U2F Javascript API Version

599
src/js/webcrypto-shim.js Normal file
View File

@ -0,0 +1,599 @@
/**
* @file Web Cryptography API shim
* @author Artem S Vybornov <vybornov@gmail.com>
* @license MIT
*/
!function (global) {
'use strict';
// We are using an angular promise polyfill which is loaded after this script
//if (typeof Promise !== 'function')
// throw "Promise support required";
var _crypto = global.crypto || global.msCrypto;
if (!_crypto) return;
var _subtle = _crypto.subtle || _crypto.webkitSubtle;
if (!_subtle) return;
var _Crypto = global.Crypto || _crypto.constructor || Object,
_SubtleCrypto = global.SubtleCrypto || _subtle.constructor || Object,
_CryptoKey = global.CryptoKey || global.Key || Object;
var isIE = !!global.msCrypto,
// ref PR: https://github.com/vibornoff/webcrypto-shim/pull/15
isWebkit = !_crypto.subtle && !!_crypto.webkitSubtle;
if (!isIE && !isWebkit) return;
function s2a(s) {
return btoa(s).replace(/\=+$/, '').replace(/\+/g, '-').replace(/\//g, '_');
}
function a2s(s) {
s += '===', s = s.slice(0, -s.length % 4);
return atob(s.replace(/-/g, '+').replace(/_/g, '/'));
}
function s2b(s) {
var b = new Uint8Array(s.length);
for (var i = 0; i < s.length; i++) b[i] = s.charCodeAt(i);
return b;
}
function b2s(b) {
if (b instanceof ArrayBuffer) b = new Uint8Array(b);
return String.fromCharCode.apply(String, b);
}
function alg(a) {
var r = { 'name': (a.name || a || '').toUpperCase().replace('V', 'v') };
switch (r.name) {
case 'SHA-1':
case 'SHA-256':
case 'SHA-384':
case 'SHA-512':
break;
case 'AES-CBC':
case 'AES-GCM':
case 'AES-KW':
if (a.length) r['length'] = a.length;
break;
case 'HMAC':
if (a.hash) r['hash'] = alg(a.hash);
if (a.length) r['length'] = a.length;
break;
case 'RSAES-PKCS1-v1_5':
if (a.publicExponent) r['publicExponent'] = new Uint8Array(a.publicExponent);
if (a.modulusLength) r['modulusLength'] = a.modulusLength;
break;
case 'RSASSA-PKCS1-v1_5':
case 'RSA-OAEP':
if (a.hash) r['hash'] = alg(a.hash);
if (a.publicExponent) r['publicExponent'] = new Uint8Array(a.publicExponent);
if (a.modulusLength) r['modulusLength'] = a.modulusLength;
break;
default:
throw new SyntaxError("Bad algorithm name");
}
return r;
};
function jwkAlg(a) {
return {
'HMAC': {
'SHA-1': 'HS1',
'SHA-256': 'HS256',
'SHA-384': 'HS384',
'SHA-512': 'HS512',
},
'RSASSA-PKCS1-v1_5': {
'SHA-1': 'RS1',
'SHA-256': 'RS256',
'SHA-384': 'RS384',
'SHA-512': 'RS512',
},
'RSAES-PKCS1-v1_5': {
'': 'RSA1_5',
},
'RSA-OAEP': {
'SHA-1': 'RSA-OAEP',
'SHA-256': 'RSA-OAEP-256',
},
'AES-KW': {
'128': 'A128KW',
'192': 'A192KW',
'256': 'A256KW',
},
'AES-GCM': {
'128': 'A128GCM',
'192': 'A192GCM',
'256': 'A256GCM',
},
'AES-CBC': {
'128': 'A128CBC',
'192': 'A192CBC',
'256': 'A256CBC',
},
}[a.name][(a.hash || {}).name || a.length || ''];
}
function b2jwk(k) {
if (k instanceof ArrayBuffer || k instanceof Uint8Array) k = JSON.parse(decodeURIComponent(escape(b2s(k))));
var jwk = { 'kty': k.kty, 'alg': k.alg, 'ext': k.ext || k.extractable };
switch (jwk.kty) {
case 'oct':
jwk.k = k.k;
case 'RSA':
['n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi', 'oth'].forEach(function (x) { if (x in k) jwk[x] = k[x] });
break;
default:
throw new TypeError("Unsupported key type");
}
return jwk;
}
function jwk2b(k) {
var jwk = b2jwk(k);
if (isIE) jwk['extractable'] = jwk.ext, delete jwk.ext;
return s2b(unescape(encodeURIComponent(JSON.stringify(jwk)))).buffer;
}
function pkcs2jwk(k) {
var info = b2der(k), prv = false;
if (info.length > 2) prv = true, info.shift(); // remove version from PKCS#8 PrivateKeyInfo structure
var jwk = { 'ext': true };
switch (info[0][0]) {
case '1.2.840.113549.1.1.1':
var rsaComp = ['n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi'],
rsaKey = b2der(info[1]);
if (prv) rsaKey.shift(); // remove version from PKCS#1 RSAPrivateKey structure
for (var i = 0; i < rsaKey.length; i++) {
if (!rsaKey[i][0]) rsaKey[i] = rsaKey[i].subarray(1);
jwk[rsaComp[i]] = s2a(b2s(rsaKey[i]));
}
jwk['kty'] = 'RSA';
break;
default:
throw new TypeError("Unsupported key type");
}
return jwk;
}
function jwk2pkcs(k) {
var key, info = [['', null]], prv = false;
switch (k.kty) {
case 'RSA':
var rsaComp = ['n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi'],
rsaKey = [];
for (var i = 0; i < rsaComp.length; i++) {
if (!(rsaComp[i] in k)) break;
var b = rsaKey[i] = s2b(a2s(k[rsaComp[i]]));
if (b[0] & 0x80) rsaKey[i] = new Uint8Array(b.length + 1), rsaKey[i].set(b, 1);
}
if (rsaKey.length > 2) prv = true, rsaKey.unshift(new Uint8Array([0])); // add version to PKCS#1 RSAPrivateKey structure
info[0][0] = '1.2.840.113549.1.1.1';
key = rsaKey;
break;
default:
throw new TypeError("Unsupported key type");
}
info.push(new Uint8Array(der2b(key)).buffer);
if (!prv) info[1] = { 'tag': 0x03, 'value': info[1] };
else info.unshift(new Uint8Array([0])); // add version to PKCS#8 PrivateKeyInfo structure
return new Uint8Array(der2b(info)).buffer;
}
var oid2str = { 'KoZIhvcNAQEB': '1.2.840.113549.1.1.1' },
str2oid = { '1.2.840.113549.1.1.1': 'KoZIhvcNAQEB' };
function b2der(buf, ctx) {
if (buf instanceof ArrayBuffer) buf = new Uint8Array(buf);
if (!ctx) ctx = { pos: 0, end: buf.length };
if (ctx.end - ctx.pos < 2 || ctx.end > buf.length) throw new RangeError("Malformed DER");
var tag = buf[ctx.pos++],
len = buf[ctx.pos++];
if (len >= 0x80) {
len &= 0x7f;
if (ctx.end - ctx.pos < len) throw new RangeError("Malformed DER");
for (var xlen = 0; len--;) xlen <<= 8, xlen |= buf[ctx.pos++];
len = xlen;
}
if (ctx.end - ctx.pos < len) throw new RangeError("Malformed DER");
var rv;
switch (tag) {
case 0x02: // Universal Primitive INTEGER
rv = buf.subarray(ctx.pos, ctx.pos += len);
break;
case 0x03: // Universal Primitive BIT STRING
if (buf[ctx.pos++]) throw new Error("Unsupported bit string");
len--;
case 0x04: // Universal Primitive OCTET STRING
rv = new Uint8Array(buf.subarray(ctx.pos, ctx.pos += len)).buffer;
break;
case 0x05: // Universal Primitive NULL
rv = null;
break;
case 0x06: // Universal Primitive OBJECT IDENTIFIER
var oid = btoa(b2s(buf.subarray(ctx.pos, ctx.pos += len)));
if (!(oid in oid2str)) throw new Error("Unsupported OBJECT ID " + oid);
rv = oid2str[oid];
break;
case 0x30: // Universal Constructed SEQUENCE
rv = [];
for (var end = ctx.pos + len; ctx.pos < end;) rv.push(b2der(buf, ctx));
break;
default:
throw new Error("Unsupported DER tag 0x" + tag.toString(16));
}
return rv;
}
function der2b(val, buf) {
if (!buf) buf = [];
var tag = 0, len = 0,
pos = buf.length + 2;
buf.push(0, 0); // placeholder
if (val instanceof Uint8Array) { // Universal Primitive INTEGER
tag = 0x02, len = val.length;
for (var i = 0; i < len; i++) buf.push(val[i]);
}
else if (val instanceof ArrayBuffer) { // Universal Primitive OCTET STRING
tag = 0x04, len = val.byteLength, val = new Uint8Array(val);
for (var i = 0; i < len; i++) buf.push(val[i]);
}
else if (val === null) { // Universal Primitive NULL
tag = 0x05, len = 0;
}
else if (typeof val === 'string' && val in str2oid) { // Universal Primitive OBJECT IDENTIFIER
var oid = s2b(atob(str2oid[val]));
tag = 0x06, len = oid.length;
for (var i = 0; i < len; i++) buf.push(oid[i]);
}
else if (val instanceof Array) { // Universal Constructed SEQUENCE
for (var i = 0; i < val.length; i++) der2b(val[i], buf);
tag = 0x30, len = buf.length - pos;
}
else if (typeof val === 'object' && val.tag === 0x03 && val.value instanceof ArrayBuffer) { // Tag hint
val = new Uint8Array(val.value), tag = 0x03, len = val.byteLength;
buf.push(0); for (var i = 0; i < len; i++) buf.push(val[i]);
len++;
}
else {
throw new Error("Unsupported DER value " + val);
}
if (len >= 0x80) {
var xlen = len, len = 4;
buf.splice(pos, 0, (xlen >> 24) & 0xff, (xlen >> 16) & 0xff, (xlen >> 8) & 0xff, xlen & 0xff);
while (len > 1 && !(xlen >> 24)) xlen <<= 8, len--;
if (len < 4) buf.splice(pos, 4 - len);
len |= 0x80;
}
buf.splice(pos - 2, 2, tag, len);
return buf;
}
function CryptoKey(key, alg, ext, use) {
Object.defineProperties(this, {
_key: {
value: key
},
type: {
value: key.type,
enumerable: true,
},
extractable: {
value: (ext === undefined) ? key.extractable : ext,
enumerable: true,
},
algorithm: {
value: (alg === undefined) ? key.algorithm : alg,
enumerable: true,
},
usages: {
value: (use === undefined) ? key.usages : use,
enumerable: true,
},
});
}
function isPubKeyUse(u) {
return u === 'verify' || u === 'encrypt' || u === 'wrapKey';
}
function isPrvKeyUse(u) {
return u === 'sign' || u === 'decrypt' || u === 'unwrapKey';
}
['generateKey', 'importKey', 'unwrapKey']
.forEach(function (m) {
var _fn = _subtle[m];
_subtle[m] = function (a, b, c) {
var args = [].slice.call(arguments),
ka, kx, ku;
switch (m) {
case 'generateKey':
ka = alg(a), kx = b, ku = c;
break;
case 'importKey':
ka = alg(c), kx = args[3], ku = args[4];
if (a === 'jwk') {
b = b2jwk(b);
if (!b.alg) b.alg = jwkAlg(ka);
if (!b.key_ops) b.key_ops = (b.kty !== 'oct') ? ('d' in b) ? ku.filter(isPrvKeyUse) : ku.filter(isPubKeyUse) : ku.slice();
args[1] = jwk2b(b);
}
break;
case 'unwrapKey':
ka = args[4], kx = args[5], ku = args[6];
args[2] = c._key;
break;
}
if (m === 'generateKey' && ka.name === 'HMAC' && ka.hash) {
ka.length = ka.length || { 'SHA-1': 512, 'SHA-256': 512, 'SHA-384': 1024, 'SHA-512': 1024 }[ka.hash.name];
return _subtle.importKey('raw', _crypto.getRandomValues(new Uint8Array((ka.length + 7) >> 3)), ka, kx, ku);
}
if (isWebkit && m === 'generateKey' && ka.name === 'RSASSA-PKCS1-v1_5' && (!ka.modulusLength || ka.modulusLength >= 2048)) {
a = alg(a), a.name = 'RSAES-PKCS1-v1_5', delete a.hash;
return _subtle.generateKey(a, true, ['encrypt', 'decrypt'])
.then(function (k) {
return Promise.all([
_subtle.exportKey('jwk', k.publicKey),
_subtle.exportKey('jwk', k.privateKey),
]);
})
.then(function (keys) {
keys[0].alg = keys[1].alg = jwkAlg(ka);
keys[0].key_ops = ku.filter(isPubKeyUse), keys[1].key_ops = ku.filter(isPrvKeyUse);
return Promise.all([
_subtle.importKey('jwk', keys[0], ka, true, keys[0].key_ops),
_subtle.importKey('jwk', keys[1], ka, kx, keys[1].key_ops),
]);
})
.then(function (keys) {
return {
publicKey: keys[0],
privateKey: keys[1],
};
});
}
if ((isWebkit || (isIE && (ka.hash || {}).name === 'SHA-1'))
&& m === 'importKey' && a === 'jwk' && ka.name === 'HMAC' && b.kty === 'oct') {
return _subtle.importKey('raw', s2b(a2s(b.k)), c, args[3], args[4]);
}
if (isWebkit && m === 'importKey' && (a === 'spki' || a === 'pkcs8')) {
return _subtle.importKey('jwk', pkcs2jwk(b), c, args[3], args[4]);
}
if (isIE && m === 'unwrapKey') {
return _subtle.decrypt(args[3], c, b)
.then(function (k) {
return _subtle.importKey(a, k, args[4], args[5], args[6]);
});
}
var op;
try {
op = _fn.apply(_subtle, args);
}
catch (e) {
return Promise.reject(e);
}
if (isIE) {
op = new Promise(function (res, rej) {
op.onabort =
op.onerror = function (e) { rej(e) };
op.oncomplete = function (r) { res(r.target.result) };
});
}
op = op.then(function (k) {
if (ka.name === 'HMAC') {
if (!ka.length) ka.length = 8 * k.algorithm.length;
}
if (ka.name.search('RSA') == 0) {
if (!ka.modulusLength) ka.modulusLength = (k.publicKey || k).algorithm.modulusLength;
if (!ka.publicExponent) ka.publicExponent = (k.publicKey || k).algorithm.publicExponent;
}
if (k.publicKey && k.privateKey) {
k = {
publicKey: new CryptoKey(k.publicKey, ka, kx, ku.filter(isPubKeyUse)),
privateKey: new CryptoKey(k.privateKey, ka, kx, ku.filter(isPrvKeyUse)),
};
}
else {
k = new CryptoKey(k, ka, kx, ku);
}
return k;
});
return op;
}
});
['exportKey', 'wrapKey']
.forEach(function (m) {
var _fn = _subtle[m];
_subtle[m] = function (a, b, c) {
var args = [].slice.call(arguments);
switch (m) {
case 'exportKey':
args[1] = b._key;
break;
case 'wrapKey':
args[1] = b._key, args[2] = c._key;
break;
}
if ((isWebkit || (isIE && (b.algorithm.hash || {}).name === 'SHA-1'))
&& m === 'exportKey' && a === 'jwk' && b.algorithm.name === 'HMAC') {
args[0] = 'raw';
}
if (isWebkit && m === 'exportKey' && (a === 'spki' || a === 'pkcs8')) {
args[0] = 'jwk';
}
if (isIE && m === 'wrapKey') {
return _subtle.exportKey(a, b)
.then(function (k) {
if (a === 'jwk') k = s2b(unescape(encodeURIComponent(JSON.stringify(b2jwk(k)))));
return _subtle.encrypt(args[3], c, k);
});
}
var op;
try {
op = _fn.apply(_subtle, args);
}
catch (e) {
return Promise.reject(e);
}
if (isIE) {
op = new Promise(function (res, rej) {
op.onabort =
op.onerror = function (e) { rej(e) };
op.oncomplete = function (r) { res(r.target.result) };
});
}
if (m === 'exportKey' && a === 'jwk') {
op = op.then(function (k) {
if ((isWebkit || (isIE && (b.algorithm.hash || {}).name === 'SHA-1'))
&& b.algorithm.name === 'HMAC') {
return { 'kty': 'oct', 'alg': jwkAlg(b.algorithm), 'key_ops': b.usages.slice(), 'ext': true, 'k': s2a(b2s(k)) };
}
k = b2jwk(k);
if (!k.alg) k['alg'] = jwkAlg(b.algorithm);
if (!k.key_ops) k['key_ops'] = (b.type === 'public') ? b.usages.filter(isPubKeyUse) : (b.type === 'private') ? b.usages.filter(isPrvKeyUse) : b.usages.slice();
return k;
});
}
if (isWebkit && m === 'exportKey' && (a === 'spki' || a === 'pkcs8')) {
op = op.then(function (k) {
k = jwk2pkcs(b2jwk(k));
return k;
});
}
return op;
}
});
['encrypt', 'decrypt', 'sign', 'verify']
.forEach(function (m) {
var _fn = _subtle[m];
_subtle[m] = function (a, b, c, d) {
if (isIE && (!c.byteLength || (d && !d.byteLength)))
throw new Error("Empy input is not allowed");
var args = [].slice.call(arguments),
ka = alg(a);
if (isIE && m === 'decrypt' && ka.name === 'AES-GCM') {
var tl = a.tagLength >> 3;
args[2] = (c.buffer || c).slice(0, c.byteLength - tl),
a.tag = (c.buffer || c).slice(c.byteLength - tl);
}
args[1] = b._key;
var op;
try {
op = _fn.apply(_subtle, args);
}
catch (e) {
return Promise.reject(e);
}
if (isIE) {
op = new Promise(function (res, rej) {
op.onabort =
op.onerror = function (e) {
rej(e);
};
op.oncomplete = function (r) {
var r = r.target.result;
if (m === 'encrypt' && r instanceof AesGcmEncryptResult) {
var c = r.ciphertext, t = r.tag;
r = new Uint8Array(c.byteLength + t.byteLength);
r.set(new Uint8Array(c), 0);
r.set(new Uint8Array(t), c.byteLength);
r = r.buffer;
}
res(r);
};
});
}
return op;
}
});
if (isIE) {
var _digest = _subtle.digest;
_subtle['digest'] = function (a, b) {
if (!b.byteLength)
throw new Error("Empy input is not allowed");
var op;
try {
op = _digest.call(_subtle, a, b);
}
catch (e) {
return Promise.reject(e);
}
op = new Promise(function (res, rej) {
op.onabort =
op.onerror = function (e) { rej(e) };
op.oncomplete = function (r) { res(r.target.result) };
});
return op;
};
global.crypto = Object.create(_crypto, {
getRandomValues: { value: function (a) { return _crypto.getRandomValues(a) } },
subtle: { value: _subtle },
});
global.CryptoKey = CryptoKey;
}
if (isWebkit) {
_crypto.subtle = _subtle;
global.Crypto = _Crypto;
global.SubtleCrypto = _SubtleCrypto;
global.CryptoKey = CryptoKey;
}
}(typeof window === 'undefined' ? typeof self === 'undefined' ? this : self : window);

View File

@ -675,7 +675,7 @@ h1, h2, h3, h4, h5, h6 {
&.inner {
stroke-width: 3;
stroke-dasharray: 78.6;
stroke-dashoffset: 20px;
stroke-dashoffset: 0px;
}
&.outer {