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/* global Backbone, Handlebars, OC, _ */
(function(OC, Handlebars, $, _) {
'use strict';
OC.Settings = OC.Settings || {};
OC.Settings.TwoFactorBackupCodes = OC.Settings.TwoFactorBackupCodes || {};
var TEMPLATE = '<div>'
+ '{{#unless enabled}}'
+ '<button id="generate-backup-codes">' + t('twofactor_backupcodes', 'Generate backup codes') + '</button>'
+ '{{else}}'
+ '<p>'
+ '{{#unless codes}}'
+ t('twofactor_backupcodes', 'Backup codes have been generated. {{used}} of {{total}} codes have been used.')
+ '{{else}}'
+ t('twofactor_backupcodes', 'These are your backup codes. Please save and/or print them as you will not be able to read the codes again later')
+ '<ul>'
+ '{{#each codes}}'
+ '<li class="backup-code">{{this}}</li>'
+ '{{/each}}'
+ '</ul>'
+ '<a href="{{download}}" class="button" download="Nextcloud-backup-codes.txt">' + t('twofactor_backupcodes', 'Save backup codes') + '</a>'
+ '<button id="print-backup-codes" class="button">' + t('twofactor_backupcodes', 'Print backup codes') + '</button>'
+ '{{/unless}}'
+ '</p>'
+ '<p>'
+ '<button id="generate-backup-codes">' + t('twofactor_backupcodes', 'Regenerate backup codes') + '</button>'
+ '</p>'
+ '<p>'
+ t('twofactor_backupcodes', 'If you regenerate backup codes, you automatically invalidate old codes.')
+ '</p>'
+ '{{/unless}}'
+ '</div';
/**
* @class OC.Settings.TwoFactorBackupCodes.View
*/
var View = OC.Backbone.View.extend({
/**
* @type {undefined|Function}
*/
_template: undefined,
/**
* @param {Object} data
* @returns {string}
*/
template: function(data) {
if (!this._template) {
this._template = Handlebars.compile(TEMPLATE);
}
return this._template(data);
},
/**
* @type {boolean}
*/
_loading: undefined,
/**
* @type {boolean}
*/
_enabled: undefined,
/**
* @type {Number}
*/
_total: undefined,
/**
* @type {Number}
*/
_used: undefined,
/**
* @type {Array}
*/
_codes: undefined,
events: {
'click #generate-backup-codes': '_onGenerateBackupCodes',
'click #print-backup-codes': '_onPrintBackupCodes'
},
/**
* @returns {undefined}
*/
initialize: function() {
this._load();
},
/**
* @returns {self}
*/
render: function() {
this.$el.html(this.template({
enabled: this._enabled,
total: this._total,
used: this._used,
codes: this._codes,
download: this._getDownloadData()
}));
return this;
},
/**
* @private
* @returns {String}
*/
_getDownloadData: function() {
if (!this._codes) {
return '';
}
return 'data:text/plain,' + encodeURIComponent(_.reduce(this._codes, function(prev, code) {
return prev + code + '\r\n';
}, ''));
},
/**
* @private
* @returns {String}
*/
_getPrintData: function() {
if (!this._codes) {
return '';
}
return _.reduce(this._codes, function(prev, code) {
return prev + code + "<br>";
}, '');
},
/**
* Load codes from the server
*
* @returns {undefined}
*/
_load: function() {
this._loading = true;
var url = OC.generateUrl('/apps/twofactor_backupcodes/settings/state');
var loading = $.ajax(url, {
method: 'GET'
});
$.when(loading).done(function(data) {
this._enabled = data.enabled;
this._total = data.total;
this._used = data.used;
}.bind(this));
$.when(loading).always(function() {
this._loading = false;
this.render();
}.bind(this));
},
/**
* Event handler to generate the codes
*
* @returns {undefined}
*/
_onGenerateBackupCodes: function() {
if (OC.PasswordConfirmation.requiresPasswordConfirmation()) {
OC.PasswordConfirmation.requirePasswordConfirmation(_.bind(this._onGenerateBackupCodes, this));
return;
}
// Hide old codes
this._enabled = false;
this.render();
$('#generate-backup-codes').addClass('icon-loading-small');
var url = OC.generateUrl('/apps/twofactor_backupcodes/settings/create');
$.ajax(url, {
method: 'POST'
}).done(function(data) {
this._enabled = data.state.enabled;
this._total = data.state.total;
this._used = data.state.used;
this._codes = data.codes;
this.render();
}.bind(this)).fail(function() {
OC.Notification.showTemporary(t('twofactor_backupcodes', 'An error occurred while generating your backup codes'));
$('#generate-backup-codes').removeClass('icon-loading-small');
});
},
/**
* Event handler to print the codes
*
* @returns {undefined}
*/
_onPrintBackupCodes: function() {
var data = this._getPrintData();
var newTab = window.open('', t('twofactor_backupcodes', 'Nextcloud backup codes'));
newTab.document.write('<h1>' + t('twofactor_backupcodes', 'Nextcloud backup codes') + '</h1>');
newTab.document.write(data);
newTab.print();
newTab.close();
}
});
OC.Settings.TwoFactorBackupCodes.View = View;
})(OC, Handlebars, $, _);
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