Migrate backup codes settings to Vue

Fixes https://github.com/nextcloud/server/issues/11034.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

apps/twofactor_backupcodes/js/service/BackupCodesService.js

@@ -0,0 +1,21 @@
+import axio from 'axios';
+
+export function getState () {
+	const url = OC.generateUrl('/apps/twofactor_backupcodes/settings/state');
+
+	return axio.get(url, {
+		headers: {
+			requesttoken: OC.requestToken
+		}
+	}).then(resp => resp.data);
+}
+
+export function generateCodes () {
+	const url = OC.generateUrl('/apps/twofactor_backupcodes/settings/create');
+
+	return axio.post(url, {}, {
+		headers: {
+			requesttoken: OC.requestToken
+		}
+	}).then(resp => resp.data)
+}

apps/twofactor_backupcodes/js/service/PrintService.js

@@ -0,0 +1,7 @@
+export function print (data) {
+	const 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();
+}

apps/twofactor_backupcodes/js/settings.js

@@ -1,16 +1,9 @@
-/* global OC */
+import Vue from 'vue';
+import PersonalSettings from './views/PersonalSettings';
 
-(function (OC) {
-    'use strict';
-
-    OC.Settings = OC.Settings || {};
-    OC.Settings.TwoFactorBackupCodes = OC.Settings.TwoFactorBackupCodes || {};
-
-    $(function () {
-        var view = new OC.Settings.TwoFactorBackupCodes.View({
-            el: $('#twofactor-backupcodes-settings')
-        });
-        view.render();
-    });
-})(OC);
+Vue.prototype.t = t;
 
+export default new Vue({
+	el: '#twofactor-backupcodes-settings',
+	render: h => h(PersonalSettings)
+});

apps/twofactor_backupcodes/js/settingsview.js

@@ -1,207 +0,0 @@
-/* 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, $, _);

apps/twofactor_backupcodes/js/views/PersonalSettings.vue

@@ -0,0 +1,102 @@
+<template>
+	<div>
+		<button v-if="!enabled"
+				id="generate-backup-codes">{{ t('twofactor_backupcodes', 'Generate backup codes') }}</button>
+		<p v-else>
+			<template v-if="!codes">
+				{{ t('twofactor_backupcodes', 'Backup codes have been generated. {used} of {total} codes have been used.', {used, total}) }}
+			</template>
+			<template v-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>
+				<li v-for="code in codes" class="backup-code">{{code}}</li>
+				</ul>
+				<a :href="downloadUrl"
+				   class="button"
+				   download="Nextcloud-backup-codes.txt">{{ t('twofactor_backupcodes', 'Save backup codes') }}</a>
+				<button class="button"
+						v-on:click="printCodes">{{ t('twofactor_backupcodes', 'Print backup codes') }}</button>
+			</template>
+		</p>
+		<p>
+			<button id="generate-backup-codes"
+					:class="{'icon-loading-small': generatingCodes}"
+					v-on:click="generateBackupCodes">{{ t('twofactor_backupcodes', 'Regenerate backup codes') }}</button>
+		</p>
+		<p>
+			{{ t('twofactor_backupcodes', 'If you regenerate backup codes, you automatically invalidate old codes.') }}
+		</p>
+	</div>
+</template>
+
+<script>
+	import confirmPassword from 'nextcloud-password-confirmation';
+
+	import {getState, generateCodes} from '../service/BackupCodesService';
+	import {print} from '../service/PrintService';
+
+	export default {
+		name: "PersonalSettings",
+		data() {
+			return {
+				enabled: false,
+				generatingCodes: false,
+				codes: undefined
+			};
+		},
+		computed: {
+			downloadUrl: function() {
+				if (!this.codes) {
+					return '';
+				}
+				return 'data:text/plain,' + encodeURIComponent(this.codes.reduce((prev, code) => {
+					return prev + code + '\r\n';
+				}, ''));
+			}
+		},
+		created: function() {
+			getState()
+				.then(state => {
+					this.enabled = state.enabled;
+					this.total = state.total;
+					this.used = state.used;
+				})
+				.catch(console.error.bind(this));
+		},
+		methods: {
+			generateBackupCodes: function() {
+				confirmPassword().then(() => {
+					// Hide old codes
+					this.enabled = false;
+					this.generatingCodes = true;
+
+					generateCodes().then(data => {
+						this.enabled = data.state.enabled;
+						this.total = data.state.total;
+						this.used = data.state.used;
+						this.codes = data.codes;
+
+						this.generatingCodes = false;
+					}).catch(err => {
+						OC.Notification.showTemporary(t('twofactor_backupcodes', 'An error occurred while generating your backup codes'));
+						this.generatingCodes = false;
+						throw err;
+					});
+				}).catch(console.error.bind(this));
+			},
+
+			getPrintData: function(codes) {
+				if (!codes) {
+					return '';
+				}
+				return codes.reduce((prev, code) => {
+					return prev + code + "<br>";
+				}, '');
+			},
+
+			printCodes: function() {
+				print(this.getPrintData(this.codes));
+			}
+		}
+	}
+</script>

apps/twofactor_backupcodes/js/webpack.common.js

@@ -0,0 +1,46 @@
+const path = require('path');
+const { VueLoaderPlugin } = require('vue-loader');
+
+module.exports = {
+	entry: path.join(__dirname, 'settings.js'),
+	output: {
+		path: path.resolve(__dirname, 'build'),
+		publicPath: '/build/',
+		filename: 'settings.js'
+	},
+	module: {
+		rules: [
+			{
+				test: /\.css$/,
+				use: ['vue-style-loader', 'css-loader']
+			},
+			{
+				test: /\.scss$/,
+				use: ['vue-style-loader', 'css-loader', 'sass-loader']
+			},
+			{
+				test: /\.vue$/,
+				loader: 'vue-loader'
+			},
+			{
+				test: /\.js$/,
+				loader: 'babel-loader',
+				exclude: /node_modules/
+			},
+			{
+				test: /\.(png|jpg|gif|svg)$/,
+				loader: 'file-loader',
+				options: {
+					name: '[name].[ext]?[hash]'
+				}
+			}
+		]
+	},
+	plugins: [new VueLoaderPlugin()],
+	resolve: {
+		alias: {
+			vue$: 'vue/dist/vue.esm.js',
+		},
+		extensions: ['*', '.js', '.vue', '.json']
+	}
+};

apps/twofactor_backupcodes/js/webpack.dev.js

@@ -0,0 +1,12 @@
+const merge = require('webpack-merge');
+const common = require('./webpack.common.js');
+
+module.exports = merge(common, {
+  mode: 'development',
+  devServer: {
+    historyApiFallback: true,
+    noInfo: true,
+    overlay: true
+  },
+  devtool: '#eval-source-map',
+})

apps/twofactor_backupcodes/js/webpack.prod.js

@@ -0,0 +1,7 @@
+const merge = require('webpack-merge')
+const common = require('./webpack.common.js')
+
+module.exports = merge(common, {
+  mode: 'production',
+  devtool: '#source-map'
+})

apps/twofactor_backupcodes/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "twofactor_backupcodes",
+  "version": "1.0.0",
+  "description": "Nextcloud Two-Factor Backup Codes",
+  "main": "index.js",
+  "directories": {
+    "lib": "lib",
+    "test": "tests"
+  },
+  "scripts": {
+    "build": "webpack --progress --hide-modules --config js/webpack.prod.js",
+    "dev": "webpack --progress --watch --config js/webpack.dev.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "AGPL-3.0-or-later",
+  "dependencies": {
+    "axios": "^0.18.0",
+    "nextcloud-password-confirmation": "^0.1.0",
+    "vue": "^2.5.17"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.0.0",
+    "babel": "^6.23.0",
+    "babel-loader": "^8.0.2",
+    "vue-loader": "^15.4.1",
+    "vue-template-compiler": "^2.5.17",
+    "webpack": "^4.18.0",
+    "webpack-cli": "^3.1.0",
+    "webpack-merge": "^4.1.4"
+  }
+}

apps/twofactor_backupcodes/templates/personal.php

@@ -1,7 +1,6 @@
 <?php
 
-script('twofactor_backupcodes', 'settingsview');
-script('twofactor_backupcodes', 'settings');
+script('twofactor_backupcodes', 'build/settings');
 style('twofactor_backupcodes', 'style');
 
 ?>