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totp generator directive
This commit is contained in:
Kyle Spearrin
parent
8a90f562ef
commit
ed13644a02
171
src/app/directives/totpDirective.js
Normal file
171
src/app/directives/totpDirective.js
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@ -0,0 +1,171 @@
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angular
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.module('bit.directives')
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.directive('totp', function ($timeout, $q) {
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return {
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template: '<div class="totp{{(low ? \' low\' : \'\')}}" ng-if="code">' +
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'<span class="totp-countdown"><span class="totp-sec">{{sec}}</span>' +
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'<svg><g><circle class="totp-circle inner" r="12.6" cy="16" cx="16" style="stroke-dashoffset: {{dash}}px;"></circle>' +
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'<circle class="totp-circle outer" r="14" cy="16" cx="16"></circle></g></svg></span>' +
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'<span class="totp-code" id="totp-code">{{code}}</span>' +
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'<a href="#" stop-click class="btn btn-link" ngclipboard ngclipboard-error="clipboardError(e)" ' +
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'data-clipboard-text="{{code}}" uib-tooltip="Copy Code" tooltip-placement="right">' +
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'<i class="fa fa-clipboard"></i></a>' +
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'</div>',
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restrict: 'A',
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scope: {
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key: '=totp'
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},
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link: function (scope) {
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var interval = null;
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var Totp = function () {
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var b32Chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567';
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var leftpad = function (s, l, p) {
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if (l + 1 >= s.length) {
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s = Array(l + 1 - s.length).join(p) + s;
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}
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return s;
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};
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var dec2hex = function (d) {
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return (d < 15.5 ? '0' : '') + Math.round(d).toString(16);
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};
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var hex2dec = function (s) {
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return parseInt(s, 16);
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};
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var hex2bytes = function (s) {
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var bytes = new Uint8Array(s.length / 2);
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for (var i = 0; i < s.length; i += 2) {
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bytes[i / 2] = parseInt(s.substr(i, 2), 16);
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}
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return bytes;
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}
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var buff2hex = function (buff) {
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var bytes = new Uint8Array(buff);
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var hex = [];
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for (var i = 0; i < bytes.length; i++) {
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hex.push((bytes[i] >>> 4).toString(16));
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hex.push((bytes[i] & 0xF).toString(16));
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}
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return hex.join('');
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}
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var b32tohex = function (s) {
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var bits = '';
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var hex = '';
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for (var i = 0; i < s.length; i++) {
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var val = b32Chars.indexOf(s.charAt(i).toUpperCase());
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bits += leftpad(val.toString(2), 5, '0');
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}
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for (var i = 0; i + 4 <= bits.length; i += 4) {
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var chunk = bits.substr(i, 4);
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hex = hex + parseInt(chunk, 2).toString(16);
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}
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return hex;
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};
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var b32tobytes = function (s) {
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return hex2bytes(b32tohex(s));
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};
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var sign = function (keyBytes, timeBytes) {
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return window.crypto.subtle.importKey('raw', keyBytes,
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{ name: 'HMAC', hash: { name: 'SHA-1' } }, false, ['sign']).then(function (key) {
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return window.crypto.subtle.sign({ name: 'HMAC' }, key, timeBytes);
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}).then(function (signature) {
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return buff2hex(signature);
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}).catch(function (err) {
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return null;
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});
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};
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this.getCode = function (keyb32) {
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var epoch = Math.round(new Date().getTime() / 1000.0);
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var timeHex = leftpad(dec2hex(Math.floor(epoch / 30)), 16, '0');
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var timeBytes = hex2bytes(timeHex);
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var keyBytes = b32tobytes(keyb32);
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if (!keyBytes.length || !timeBytes.length) {
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return $q(function (resolve, reject) {
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resolve(null);
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});
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}
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return sign(keyBytes, timeBytes).then(function (hashHex) {
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if (!hashHex) {
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return null;
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}
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var offset = hex2dec(hashHex.substring(hashHex.length - 1));
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var otp = (hex2dec(hashHex.substr(offset * 2, 8)) & hex2dec('7fffffff')) + '';
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otp = (otp).substr(otp.length - 6, 6);
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return otp;
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});
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};
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}
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var totp = new Totp();
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var updateCode = function (scope) {
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totp.getCode(scope.key).then(function (code) {
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$timeout(function () {
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if (code) {
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scope.code = code.substring(0, 3) + ' ' + code.substring(3);
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}
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else {
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scope.code = null;
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if (interval) {
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clearInterval(interval);
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}
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}
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});
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});
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};
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var tick = function (scope) {
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$timeout(function () {
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var epoch = Math.round(new Date().getTime() / 1000.0);
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var mod = (epoch % 30);
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var sec = 30 - mod;
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scope.sec = sec;
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scope.dash = (2.62 * mod).toFixed(2);
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scope.low = sec <= 7;
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if (epoch % 30 == 0) {
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updateCode(scope);
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}
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});
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};
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scope.$watch('key', function () {
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if (!scope.key) {
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scope.code = null;
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if (interval) {
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clearInterval(interval);
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}
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return;
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}
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updateCode(scope);
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tick(scope);
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if (interval) {
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clearInterval(interval);
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}
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interval = setInterval(function () {
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tick(scope);
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}, 1000);
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});
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scope.clipboardError = function (e) {
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alert('Your web browser does not support easy clipboard copying.');
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};
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},
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};
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});
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@ -2,7 +2,7 @@
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.module('bit.vault')
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.controller('vaultAddLoginController', function ($scope, apiService, $uibModalInstance, cryptoService, cipherService,
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passwordService, selectedFolder, $analytics, checkedFavorite, $rootScope) {
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passwordService, selectedFolder, $analytics, checkedFavorite, $rootScope, authService) {
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$analytics.eventTrack('vaultAddLoginController', { category: 'Modal' });
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$scope.folders = $rootScope.vaultFolders;
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$scope.login = {
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@ -10,6 +10,10 @@
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favorite: checkedFavorite === true
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};
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authService.getUserProfile().then(function (profile) {
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$scope.premium = profile.premium;
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});
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$scope.savePromise = null;
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$scope.save = function (model) {
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var login = cipherService.encryptLogin(model);
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@ -2,12 +2,16 @@
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.module('bit.vault')
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.controller('vaultEditLoginController', function ($scope, apiService, $uibModalInstance, cryptoService, cipherService,
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passwordService, loginId, $analytics, $rootScope) {
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passwordService, loginId, $analytics, $rootScope, authService) {
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$analytics.eventTrack('vaultEditLoginController', { category: 'Modal' });
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$scope.folders = $rootScope.vaultFolders;
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$scope.login = {};
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$scope.readOnly = false;
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authService.getUserProfile().then(function (profile) {
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$scope.premium = profile.premium;
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});
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apiService.logins.get({ id: loginId }, function (login) {
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$scope.login = cipherService.decryptLogin(login);
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$scope.readOnly = !login.Edit;
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@ -88,7 +88,8 @@
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</div>
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</div>
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<div class="col-md-6">
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<label class="invisible hidden-sm" for="verification-code">Verification Code</label>
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<div totp="login.totp" id="verification-code" ng-if="premium"></div>
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</div>
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</div>
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<div class="form-group" show-errors>
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@ -100,7 +100,8 @@
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</div>
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</div>
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<div class="col-md-6">
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<label class="invisible hidden-sm hidden-xs" for="verification-code">Verification Code</label>
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<div totp="login.totp" id="verification-code" ng-if="premium"></div>
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</div>
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</div>
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<div class="form-group" show-errors>
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@ -123,6 +123,7 @@
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<script src="app/directives/letterAvatarDirective.js"></script>
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<script src="app/directives/stopClickDirective.js"></script>
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<script src="app/directives/stopPropDirective.js"></script>
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<script src="app/directives/totpDirective.js"></script>
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<script src="app/filters/filtersModule.js"></script>
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<script src="app/filters/enumNameFilter.js"></script>
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@ -624,3 +624,60 @@ h1, h2, h3, h4, h5, h6 {
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font-size: 85%;
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font-weight: normal;
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}
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.totp {
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margin-bottom: 10px;
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.totp-code {
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font-family: @font-family-monospace;
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font-size: 1.2em;
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}
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.totp-countdown {
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margin-right: 11px;
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display: inline-block;
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vertical-align: -50%;
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user-select: none;
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.totp-sec {
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font-size: 0.85em;
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position: absolute;
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line-height: 32px;
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width: 32px;
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text-align: center;
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}
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svg {
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width: 32px;
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height: 32px;
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transform: rotate(-90deg);
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}
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.totp-circle {
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stroke: @brand-primary;
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fill: none;
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&.inner {
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stroke-width: 3;
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stroke-dasharray: 78.6;
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stroke-dashoffset: 20px;
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}
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&.outer {
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stroke-width: 2;
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stroke-dasharray: 88;
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stroke-dashoffset: 0px;
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}
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}
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}
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&.low {
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.totp-sec, .totp-code {
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color: @red;
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}
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.totp-circle {
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stroke: @red;
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}
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}
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}
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