259 lines
10 KiB
TypeScript
259 lines
10 KiB
TypeScript
import Controller from "../../Controller";
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import {Request, Response} from "express";
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import MagicLinkWebSocketListener from "./MagicLinkWebSocketListener";
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import {BadRequestError, NotFoundHttpError} from "../../HttpError";
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import Throttler from "../../Throttler";
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import Mail, {MailTemplate} from "../../mail/Mail";
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import MagicLink from "../models/MagicLink";
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import config from "config";
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import Application from "../../Application";
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import {ParsedUrlQueryInput} from "querystring";
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import NunjucksComponent from "../../components/NunjucksComponent";
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import User from "../models/User";
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import AuthComponent, {AuthMiddleware} from "../AuthComponent";
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import {AuthError, PendingApprovalAuthError, RegisterCallback} from "../AuthGuard";
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import UserEmail from "../models/UserEmail";
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import AuthMagicLinkActionType from "./AuthMagicLinkActionType";
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import {QueryVariable} from "../../db/MysqlConnectionManager";
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import UserNameComponent from "../models/UserNameComponent";
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import MagicLinkUserNameComponent from "../models/MagicLinkUserNameComponent";
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import {log} from "../../Logger";
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export default class MagicLinkController<A extends Application> extends Controller {
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public static async sendMagicLink(
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app: Application,
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sessionId: string,
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actionType: string,
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original_url: string,
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email: string,
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mailTemplate: MailTemplate,
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data: ParsedUrlQueryInput,
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magicLinkData: Record<string, QueryVariable> = {},
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): Promise<void> {
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Throttler.throttle('magic_link', process.env.NODE_ENV === 'test' ? 10 : 2, MagicLink.validityPeriod(),
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sessionId, 0, 0);
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Throttler.throttle('magic_link', 1, MagicLink.validityPeriod(),
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email, 0, 0);
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const link = MagicLink.create(Object.assign(magicLinkData, {
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session_id: sessionId,
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action_type: actionType,
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original_url: original_url,
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}));
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const token = await link.generateToken(email);
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await link.save();
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// Send email
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await new Mail(app.as(NunjucksComponent).getEnvironment(), mailTemplate, Object.assign(data, {
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link: `${config.get<string>('public_url')}${Controller.route('magic_link', undefined, {
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id: link.id,
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token: token,
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})}`,
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})).send(email);
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}
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public static async checkAndAuth(req: Request, res: Response, magicLink: MagicLink): Promise<User | null> {
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const session = req.getSession();
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if (magicLink.getOrFail('session_id') !== session.id) throw new BadOwnerMagicLink();
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if (!await magicLink.isAuthorized()) throw new UnauthorizedMagicLink();
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if (!await magicLink.isValid()) throw new InvalidMagicLink();
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// Auth
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try {
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return await req.as(AuthMiddleware).getAuthGuard().authenticateOrRegister(
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session, magicLink, undefined, async (connection, user) => {
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const userNameComponent = user.asOptional(UserNameComponent);
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if (userNameComponent) userNameComponent.name = magicLink.as(MagicLinkUserNameComponent).username;
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return [];
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}, async (connection, user) => {
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const callbacks: RegisterCallback[] = [];
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const userEmail = UserEmail.create({
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user_id: user.id,
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email: magicLink.getOrFail('email'),
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});
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await userEmail.save(connection, c => callbacks.push(c));
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user.main_email_id = userEmail.id;
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await user.save(connection, c => callbacks.push(c));
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return callbacks;
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});
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} catch (e) {
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if (e instanceof PendingApprovalAuthError) {
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res.format({
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json: () => {
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res.json({
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'status': 'warning',
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'message': `Your account is pending review. You'll receive an email once you're approved.`,
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});
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},
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html: () => {
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req.flash('warning', `Your account is pending review. You'll receive an email once you're approved.`);
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res.redirect('/');
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},
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});
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return null;
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} else {
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throw e;
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}
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}
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}
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protected readonly magicLinkWebsocketPath: string;
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public constructor(magicLinkWebsocketListener: MagicLinkWebSocketListener<A>) {
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super();
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this.magicLinkWebsocketPath = magicLinkWebsocketListener.path();
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}
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public getRoutesPrefix(): string {
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return '/magic';
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}
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public routes(): void {
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this.get('/lobby', this.getLobby, 'magic_link_lobby');
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this.get('/link', this.getMagicLink, 'magic_link');
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}
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protected async getLobby(req: Request, res: Response): Promise<void> {
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const link = await MagicLink.select()
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.where('session_id', req.getSession().id)
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.sortBy('authorized')
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.where('used', 0)
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.first();
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if (!link) {
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throw new NotFoundHttpError('magic link', req.url);
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}
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if (!await link.isValid()) {
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req.flash('error', 'This magic link has expired. Please try again.');
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res.redirect(link.getOrFail('original_url'));
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return;
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}
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if (await link.isAuthorized()) {
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link.use();
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await link.save();
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await this.performAction(link, req, res);
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return;
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}
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res.render('magic_link_lobby', {
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email: link.getOrFail('email'),
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type: link.getOrFail('action_type'),
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validUntil: link.getExpirationDate().getTime(),
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websocketUrl: config.get<string>('public_websocket_url') + this.magicLinkWebsocketPath,
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});
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}
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protected async getMagicLink(req: Request, res: Response): Promise<void> {
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const id = parseInt(<string>req.query.id);
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const token = <string>req.query.token;
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if (!id || !token)
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throw new BadRequestError('Need parameters id, token.', 'Please try again.', req.originalUrl);
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let success = true;
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let err;
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const magicLink = await MagicLink.getById<MagicLink>(id);
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if (!magicLink) {
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res.status(404);
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err = `Couldn't find this magic link. Perhaps it has already expired.`;
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success = false;
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} else if (!await magicLink.isAuthorized()) {
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err = await magicLink.verifyToken(token);
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if (err === null) {
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// Validation success, authenticate the user
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magicLink.authorize();
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await magicLink.save();
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this.getApp().as<MagicLinkWebSocketListener<A>>(MagicLinkWebSocketListener)
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.refreshMagicLink(magicLink.getOrFail('session_id'));
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}
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}
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res.render('magic_link', {
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magicLink: magicLink,
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err: err,
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success: success && err === null,
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});
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}
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protected async performAction(magicLink: MagicLink, req: Request, res: Response): Promise<void> {
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switch (magicLink.getOrFail('action_type')) {
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case AuthMagicLinkActionType.LOGIN:
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case AuthMagicLinkActionType.REGISTER: {
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await MagicLinkController.checkAndAuth(req, res, magicLink);
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const authGuard = this.getApp().as(AuthComponent).getAuthGuard();
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const proofs = await authGuard.getProofsForSession(req.getSession());
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const user = await proofs[0]?.getResource();
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if (!res.headersSent && user) {
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// Auth success
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req.flash('success', `Authentication success. Welcome, ${user.name}!`);
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res.redirect(req.query.redirect_uri?.toString() || Controller.route('home'));
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}
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break;
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}
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case AuthMagicLinkActionType.ADD_EMAIL: {
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const session = req.getSessionOptional();
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if (!session || magicLink.session_id !== session.id) throw new BadOwnerMagicLink();
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await magicLink.delete();
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const authGuard = this.getApp().as(AuthComponent).getAuthGuard();
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const proofs = await authGuard.getProofsForSession(session);
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const user = await proofs[0]?.getResource();
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if (!user) return;
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const email = await magicLink.getOrFail('email');
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if (await UserEmail.select().with('user').where('email', email).first()) {
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req.flash('error', 'An account already exists with this email address.' +
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' Please first remove it there before adding it here.');
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res.redirect(Controller.route('account'));
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return;
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}
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const userEmail = UserEmail.create({
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user_id: user.id,
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email: email,
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main: false,
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});
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await userEmail.save();
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if (!user.main_email_id) {
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user.main_email_id = userEmail.id;
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await user.save();
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}
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req.flash('success', `Email address ${userEmail.email} successfully added.`);
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res.redirect(Controller.route('account'));
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break;
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}
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default:
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log.warn('Unknown magic link action type ' + magicLink.action_type);
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break;
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}
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}
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}
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export class BadOwnerMagicLink extends AuthError {
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public constructor() {
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super(`This magic link doesn't belong to this session.`);
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}
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}
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export class UnauthorizedMagicLink extends AuthError {
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public constructor() {
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super(`This magic link is unauthorized.`);
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}
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}
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export class InvalidMagicLink extends AuthError {
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public constructor() {
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super(`This magic link is invalid.`);
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}
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}
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