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import superagent from 'superagent';
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import moment from 'moment-timezone';
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import {
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Route, Handler, Types, param,
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} from '../service/server';
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import * as user from '../model/user';
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import * as token from '../model/token';
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import * as record from '../model/record';
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import * as problem from '../model/problem';
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import * as task from '../model/task';
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import * as system from '../model/system';
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import { PERM, PRIV } from '../model/builtin';
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import { isEmail, isPassword, isUname } from '../lib/validator';
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import { sendMail } from '../lib/mail';
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import * as misc from '../lib/misc';
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import {
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UserAlreadyExistError, InvalidTokenError, VerifyPasswordError,
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UserNotFoundError, LoginError, SystemError,
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BlacklistedError, UserFacingError,
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} from '../error';
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class UserLoginHandler extends Handler {
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async get() {
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const [loginWithGithub, loginWithGoogle] = await system.getMany(
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['oauth.githubappid', 'oauth.googleappid'],
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);
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this.response.body = {
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loginWithGithub, loginWithGoogle,
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};
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this.response.template = 'user_login.html';
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}
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@param('uname', Types.String)
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@param('password', Types.String)
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@param('rememberme', Types.Boolean, true)
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async post(domainId: string, uname: string, password: string, rememberme = false) {
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const udoc = await user.getByUname(domainId, uname);
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if (!udoc) throw new LoginError(uname);
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udoc.checkPassword(password);
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await user.setById(udoc._id, { loginat: new Date(), loginip: this.request.ip });
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if (udoc.priv === PRIV.PRIV_NONE) throw new BlacklistedError(uname);
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this.session.uid = udoc._id;
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this.session.save = rememberme;
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this.response.redirect = this.request.referer.endsWith('/login') ? '/' : this.request.referer;
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}
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}
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class UserLogoutHandler extends Handler {
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async get() {
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this.response.template = 'user_logout.html';
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}
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async post() {
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this.session.uid = 0;
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}
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}
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class UserRegisterHandler extends Handler {
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async get() {
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this.response.template = 'user_register.html';
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}
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@param('mail', Types.String, isEmail)
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async post(domainId: string, mail: string) {
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if (await user.getByEmail('system', mail)) throw new UserAlreadyExistError(mail);
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this.limitRate('send_mail', 3600, 30);
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const t = await token.add(
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token.TYPE_REGISTRATION,
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await system.get('registration_token_expire_seconds'),
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{ mail },
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);
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if (await system.get('smtp.user')) {
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const m = await this.renderHTML('user_register_mail.html', {
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path: `register/${t[0]}`,
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url_prefix: await system.get('server.url'),
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});
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await sendMail(mail, 'Sign Up', 'user_register_mail', m);
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this.response.template = 'user_register_mail_sent.html';
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} else {
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this.response.redirect = this.url('user_register_with_code', { code: t[0] });
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}
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}
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}
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class UserRegisterWithCodeHandler extends Handler {
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async get({ code }) {
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this.response.template = 'user_register_with_code.html';
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const { mail } = await token.get(code, token.TYPE_REGISTRATION);
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if (!mail) throw new InvalidTokenError(token.TYPE_REGISTRATION, code);
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this.response.body = { mail };
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}
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@param('password', Types.String, isPassword)
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@param('verifyPassword', Types.String)
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@param('uname', Types.String, isUname)
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@param('code', Types.String)
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async post(
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domainId: string, password: string, verifyPassword: string,
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uname: string, code: string,
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) {
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const { mail } = await token.get(code, token.TYPE_REGISTRATION);
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if (!mail) throw new InvalidTokenError(token.TYPE_REGISTRATION, code);
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if (password !== verifyPassword) throw new VerifyPasswordError();
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const uid = await system.inc('user');
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await user.create({
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uid, uname, password, mail, regip: this.request.ip,
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});
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await token.del(code, token.TYPE_REGISTRATION);
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this.session.uid = uid;
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this.response.redirect = this.url('homepage');
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}
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}
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class UserLostPassHandler extends Handler {
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async get() {
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if (!await system.get('smtp.user')) throw new SystemError('Cannot send mail');
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this.response.template = 'user_lostpass.html';
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}
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@param('mail', Types.String, isEmail)
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async post(domainId: string, mail: string) {
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if (!await system.get('smtp.user')) throw new SystemError('Cannot send mail');
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const udoc = await user.getByEmail('system', mail);
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if (!udoc) throw new UserNotFoundError(mail);
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const [tid] = await token.add(
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token.TYPE_LOSTPASS,
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await system.get('lostpass_token_expire_seconds'),
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{ uid: udoc._id },
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);
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const m = await this.renderHTML('user_lostpass_mail', { url: `lostpass/${tid}`, uname: udoc.uname });
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await sendMail(mail, 'Lost Password', 'user_lostpass_mail', m);
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this.response.template = 'user_lostpass_mail_sent.html';
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}
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}
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class UserLostPassWithCodeHandler extends Handler {
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async get({ domainId, code }) {
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const tdoc = await token.get(code, token.TYPE_LOSTPASS);
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if (!tdoc) throw new InvalidTokenError(token.TYPE_LOSTPASS, code);
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const udoc = await user.getById(domainId, tdoc.uid);
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this.response.body = { uname: udoc.uname };
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}
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@param('code', Types.String)
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@param('password', Types.String, isPassword)
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@param('verifyPassword', Types.String)
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async post(domainId: string, code: string, password: string, verifyPassword: string) {
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const tdoc = await token.get(code, token.TYPE_LOSTPASS);
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if (!tdoc) throw new InvalidTokenError(token.TYPE_LOSTPASS, code);
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if (password !== verifyPassword) throw new VerifyPasswordError();
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await user.setPassword(tdoc.uid, password);
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await token.del(code, token.TYPE_LOSTPASS);
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this.response.redirect = this.url('homepage');
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}
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}
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class UserDetailHandler extends Handler {
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@param('uid', Types.Int)
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async get(domainId: string, uid: number) {
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const isSelfProfile = this.user._id === uid;
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const udoc = await user.getById(domainId, uid);
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if (!udoc) throw new UserNotFoundError(uid);
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const sdoc = await token.getMostRecentSessionByUid(uid);
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const rdocs = await record.getByUid(domainId, uid);
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const pdict = await problem.getList(
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domainId, rdocs.map((rdoc) => rdoc.pid),
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this.user.hasPerm(PERM.PERM_VIEW_PROBLEM_HIDDEN), false,
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);
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// Remove sensitive data
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if (!isSelfProfile && sdoc) {
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sdoc.createIp = '';
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sdoc.updateIp = '';
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sdoc._id = '';
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}
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const path = [
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['Hydro', 'homepage'],
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['user_detail', 'user_detail', { uid }],
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];
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this.response.template = 'user_detail.html';
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this.response.body = {
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isSelfProfile, udoc, sdoc, rdocs, pdict, path,
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};
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}
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}
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class UserDeleteHandler extends Handler {
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async post({ password }) {
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this.user.checkPassword(password);
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const tid = await task.add({
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executeAfter: moment().add(7, 'days').toDate(),
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type: 'script',
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id: 'deleteUser',
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args: { uid: this.user._id },
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});
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await user.setById(this.user._id, { del: tid });
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this.response.template = 'user_delete_pending.html';
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}
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}
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class UserSearchHandler extends Handler {
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@param('q', Types.String)
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@param('exectMatch', Types.Boolean, true)
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async get(domainId: string, q: string, exactMatch = false) {
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let udoc = await user.getById(domainId, parseInt(q, 10));
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const udocs = udoc ? [udoc] : [];
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udoc = await user.getByUname(domainId, q);
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if (udoc) udocs.push(udoc);
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udoc = await user.getByEmail(domainId, q);
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if (udoc) udocs.push(udoc);
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if (!exactMatch) udocs.push(...await user.getPrefixList(q, 20));
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for (const i in udocs) {
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udocs[i].gravatar = misc.gravatar(udocs[i].gravatar || '');
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}
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this.response.body = udocs;
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}
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}
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class OauthHandler extends Handler {
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async github() {
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const [appid, [state]] = await Promise.all([
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system.get('oauth.githubappid'),
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token.add(token.TYPE_OAUTH, 600, { redirect: this.request.referer }),
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]);
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this.response.redirect = `https://github.com/login/oauth/authorize?client_id=${appid}&state=${state}`;
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}
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async google() {
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const [appid, url, [state]] = await Promise.all([
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system.get('oauth.googleappid'),
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system.get('server.url'),
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token.add(token.TYPE_OAUTH, 600, { redirect: this.request.referer }),
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]);
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this.response.redirect = `https://accounts.google.com/o/oauth2/v2/auth?client_id=${appid}&response_type=code&redirect_uri=${url}oauth/google/callback&scope=https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile&state=${state}`;
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}
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async get({ type }) {
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if (type === 'github') await this.github();
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else if (type === 'google') await this.google();
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}
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}
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class OauthCallbackHandler extends Handler {
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async github({ state, code }) {
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const [appid, secret, url, proxy, s] = await Promise.all([
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system.get('oauth.githubappid'),
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system.get('oauth.githubsecret'),
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system.get('server.url'),
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system.get('proxy'),
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token.get(state, token.TYPE_OAUTH),
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]);
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const res = await superagent.post('https://github.com/login/oauth/access_token')
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.proxy(proxy)
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.send({
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client_id: appid,
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client_secret: secret,
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code,
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redirect_uri: `${url}oauth/github/callback`,
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state,
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})
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.set('accept', 'application/json');
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if (res.body.error) {
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throw new UserFacingError(
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res.body.error, res.body.error_description, res.body.error_uri,
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);
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}
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const t = res.body.access_token;
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const userInfo = await superagent.get('https://api.github.com/user')
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.proxy(proxy)
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.set('User-Agent', 'Hydro-OAuth')
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.set('Authorization', `token ${t}`);
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const ret = {
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email: userInfo.body.email,
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bio: userInfo.body.bio,
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uname: [userInfo.body.name, userInfo.body.login],
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};
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this.response.redirect = s.redirect;
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await token.del(s, token.TYPE_OAUTH);
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return ret;
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}
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async google({
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code, error, state,
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}) {
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if (error) throw new UserFacingError(error);
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const [
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[appid, secret, url, proxy],
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s,
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] = await Promise.all([
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system.getMany([
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'oauth.googleappid', 'oauth.googlesecret', 'server.url', 'proxy',
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]),
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token.get(state, token.TYPE_OAUTH),
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]);
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const res = await superagent.post('https://oauth2.googleapis.com/token')
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.proxy(proxy)
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.send({
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client_id: appid,
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client_secret: secret,
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code,
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grant_type: 'authorization_code',
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redirect_uri: `${url}oauth/google/callback`,
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});
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const payload = global.Hydro.lib.jwt.decode(res.body.id_token);
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await token.del(state, token.TYPE_OAUTH);
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this.response.redirect = s.redirect;
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return {
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email: payload.email,
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uname: [payload.given_name, payload.name, payload.family_name],
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viewLang: payload.locale.replace('-', '_'),
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};
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}
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async get(args) {
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let r;
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if (args.type === 'github') r = await this.github(args);
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else if (args.type === 'google') r = await this.google(args);
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else throw new UserFacingError('Oauth type');
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const udoc = await user.getByEmail('system', r.email);
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if (udoc) {
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this.session.uid = udoc._id;
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} else {
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this.checkPriv(PRIV.PRIV_REGISTER_USER);
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let username = '';
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r.uname = r.uname || [];
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r.uname.push(String.random(16));
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for (const uname of r.uname) {
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// eslint-disable-next-line no-await-in-loop
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const nudoc = await user.getByUname('system', uname);
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if (!nudoc) {
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username = uname;
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break;
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}
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}
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const uid = await user.create({
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mail: r.email, uname: username, password: String.random(32), regip: this.request.ip,
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});
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const $set: any = {
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oauth: args.type,
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};
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if (r.bio) $set.bio = r.bio;
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if (r.viewLang) $set.viewLang = r.viewLang;
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await user.setById(uid, $set);
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this.session.uid = uid;
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}
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}
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}
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export async function apply() {
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Route('user_login', '/login', UserLoginHandler);
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Route('user_oauth', '/oauth/:type', OauthHandler);
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Route('user_oauth_callback', '/oauth/:type/callback', OauthCallbackHandler);
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Route('user_register', '/register', UserRegisterHandler, PRIV.PRIV_REGISTER_USER);
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Route('user_register_with_code', '/register/:code', UserRegisterWithCodeHandler, PRIV.PRIV_REGISTER_USER);
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Route('user_logout', '/logout', UserLogoutHandler, PRIV.PRIV_USER_PROFILE);
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Route('user_lostpass', '/lostpass', UserLostPassHandler);
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Route('user_lostpass_with_code', '/lostpass/:code', UserLostPassWithCodeHandler);
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Route('user_search', '/user/search', UserSearchHandler);
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Route('user_delete', '/user/delete', UserDeleteHandler, PRIV.PRIV_USER_PROFILE);
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Route('user_detail', '/user/:uid', UserDetailHandler);
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}
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global.Hydro.handler.user = apply;
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