feat: Add two-factor authentication via TOTP

Adds TOTP setup with QR code, login challenge, recovery codes and
trusted devices that let a browser skip the second factor for 30
days. Admins can reset another user's second factor by confirming
with their own password.

server/api/controllers/users/index-trusted-devices.js

@@ -0,0 +1,78 @@
+/*!
+ * Copyright (c) 2024 PLANKA Software GmbH
+ * Licensed under the Fair Use License: https://github.com/plankanban/planka/blob/master/LICENSE.md
+ */
+
+/**
+ * @swagger
+ * /users/{id}/trusted-devices:
+ *   get:
+ *     summary: List active trusted devices
+ *     description: Returns the user's currently-valid trusted browsers. Only accessible for the user themselves.
+ *     tags:
+ *       - Users
+ *     operationId: indexUserTrustedDevices
+ *     parameters:
+ *       - in: path
+ *         name: id
+ *         required: true
+ *         schema:
+ *           type: string
+ *     responses:
+ *       200:
+ *         description: List of trusted devices
+ *       401:
+ *         $ref: '#/components/responses/Unauthorized'
+ *       403:
+ *         $ref: '#/components/responses/Forbidden'
+ *       404:
+ *         $ref: '#/components/responses/NotFound'
+ */
+
+const { idInput } = require('../../../utils/inputs');
+
+const Errors = {
+  NOT_ENOUGH_RIGHTS: {
+    notEnoughRights: 'Not enough rights',
+  },
+  USER_NOT_FOUND: {
+    userNotFound: 'User not found',
+  },
+};
+
+module.exports = {
+  inputs: {
+    id: {
+      ...idInput,
+      required: true,
+    },
+  },
+
+  exits: {
+    notEnoughRights: {
+      responseType: 'forbidden',
+    },
+    userNotFound: {
+      responseType: 'notFound',
+    },
+  },
+
+  async fn(inputs) {
+    const { currentUser } = this.req;
+
+    if (inputs.id !== currentUser.id) {
+      throw Errors.NOT_ENOUGH_RIGHTS;
+    }
+
+    const user = await User.qm.getOneById(inputs.id);
+    if (!user) {
+      throw Errors.USER_NOT_FOUND;
+    }
+
+    const devices = await TrustedDevice.qm.getActiveByUserId(user.id);
+
+    return {
+      items: devices.map((d) => sails.helpers.trustedDevices.presentOne(d)),
+    };
+  },
+};