Almost added TitanChess + EvolutionChess
[vchess.git] / server / models / User.js
1 const db = require("../utils/database");
2 const genToken = require("../utils/tokenGenerator");
3 const params = require("../config/parameters");
4 const sendEmail = require('../utils/mailer');
5
6 /*
7 * Structure:
8 * _id: integer
9 * name: varchar
10 * email: varchar
11 * loginToken: token on server only
12 * loginTime: datetime (validity)
13 * sessionToken: token in cookies for authentication
14 * notify: boolean (send email notifications for corr games)
15 * created: datetime
16 * bio: text
17 */
18
19 const UserModel = {
20 checkNameEmail: function(o) {
21 return (
22 (!o.name || !!(o.name.match(/^[\w-]+$/))) &&
23 (!o.email || !!(o.email.match(/^[\w.+-]+@[\w.+-]+$/)))
24 );
25 },
26
27 create: function(name, email, notify, cb) {
28 db.serialize(function() {
29 const query =
30 "INSERT INTO Users " +
31 "(name, email, notify, created) VALUES " +
32 "('" + name + "','" + email + "'," + notify + "," + Date.now() + ")";
33 db.run(query, function(err) {
34 cb(err, { id: this.lastID });
35 });
36 });
37 },
38
39 // Find one user by id, name, email, or token
40 getOne: function(by, value, fields, cb) {
41 const delimiter = (typeof value === "string" ? "'" : "");
42 db.serialize(function() {
43 const query =
44 "SELECT " + fields + " " +
45 "FROM Users " +
46 "WHERE " + by + " = " + delimiter + value + delimiter;
47 db.get(query, cb);
48 });
49 },
50
51 getByIds: function(ids, cb) {
52 db.serialize(function() {
53 const query =
54 "SELECT id, name " +
55 "FROM Users " +
56 "WHERE id IN (" + ids + ")";
57 db.all(query, cb);
58 });
59 },
60
61 getBio: function(id, cb) {
62 db.serialize(function() {
63 const query =
64 "SELECT bio " +
65 "FROM Users " +
66 "WHERE id = " + id;
67 db.get(query, cb);
68 });
69 },
70
71 /////////
72 // MODIFY
73
74 setLoginToken: function(token, id) {
75 db.serialize(function() {
76 const query =
77 "UPDATE Users " +
78 "SET loginToken = '" + token + "',loginTime = " + Date.now() + " " +
79 "WHERE id = " + id;
80 db.run(query);
81 });
82 },
83
84 setBio: function(id, bio) {
85 db.serialize(function() {
86 const query =
87 "UPDATE Users " +
88 "SET bio = ? " +
89 "WHERE id = " + id;
90 db.run(query, bio);
91 });
92 },
93
94 // Set session token only if empty (first login)
95 // NOTE: weaker security (but avoid to re-login everywhere after each logout)
96 // TODO: option would be to reset all tokens periodically (every 3 months?)
97 trySetSessionToken: function(id, cb) {
98 db.serialize(function() {
99 let query =
100 "SELECT sessionToken " +
101 "FROM Users " +
102 "WHERE id = " + id;
103 db.get(query, (err, ret) => {
104 const token = ret.sessionToken || genToken(params.token.length);
105 const setSessionToken =
106 (!ret.sessionToken ? (", sessionToken = '" + token + "'") : "");
107 query =
108 "UPDATE Users " +
109 // Also empty the login token to invalidate future attempts
110 "SET loginToken = NULL, loginTime = NULL " +
111 setSessionToken + " " +
112 "WHERE id = " + id;
113 db.run(query);
114 cb(token);
115 });
116 });
117 },
118
119 updateSettings: function(user) {
120 db.serialize(function() {
121 const query =
122 "UPDATE Users " +
123 "SET name = '" + user.name + "'" +
124 ", email = '" + user.email + "'" +
125 ", notify = " + user.notify + " " +
126 "WHERE id = " + user.id;
127 db.run(query);
128 });
129 },
130
131 /////////////////
132 // NOTIFICATIONS
133
134 notify: function(user, message) {
135 const subject = "vchess.club - notification";
136 const body = "Hello " + user.name + " !" + `
137 ` + message;
138 sendEmail(params.mail.noreply, user.email, subject, body);
139 },
140
141 tryNotify: function(id, message) {
142 UserModel.getOne("id", id, "name, email, notify", (err, user) => {
143 if (!err && user.notify) UserModel.notify(user, message);
144 });
145 },
146
147 ////////////
148 // CLEANING
149
150 cleanUsersDb: function() {
151 const tsNow = Date.now();
152 // 86400000 = 24 hours in milliseconds
153 const day = 86400000;
154 db.serialize(function() {
155 const query =
156 "SELECT id, sessionToken, created, name, email " +
157 "FROM Users";
158 db.all(query, (err, users) => {
159 let toRemove = [];
160 users.forEach(u => {
161 // Remove users unlogged for > 24h
162 if (!u.sessionToken && tsNow - u.created > day)
163 {
164 toRemove.push(u.id);
165 UserModel.notify(
166 u,
167 "Your account has been deleted because " +
168 "you didn't log in for 24h after registration"
169 );
170 }
171 });
172 if (toRemove.length > 0) {
173 db.run(
174 "DELETE FROM Users " +
175 "WHERE id IN (" + toRemove.join(",") + ")"
176 );
177 }
178 });
179 });
180 },
181 }
182
183 module.exports = UserModel;