-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.js
262 lines (237 loc) · 7.24 KB
/
server.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
const dotenv = require("dotenv");
dotenv.config();
const express = require("express");
const app = express();
const http = require("http");
const https = require("https");
const fs = require("fs");
let server = http.createServer(app);
if (process.env.SERVER_ENV === "prod") {
server = https.createServer(
{
key: fs.readFileSync("/etc/letsencrypt/live/farreachco.com/privkey.pem"),
cert: fs.readFileSync(
"/etc/letsencrypt/live/farreachco.com/fullchain.pem"
),
},
app
);
}
const { Server } = require("socket.io");
const io = new Server(server);
// const cors = require("cors");
// var path = require("path");
// const requestIp = require("request-ip");
const bodyParser = require("body-parser");
const session = require("express-session");
const pgSession = require("connect-pg-simple")(session);
const redisAdapter = require("socket.io-redis");
io.adapter(redisAdapter({ host: "localhost", port: 6379 }));
const apiRoutes = require("./dist/api/routes.js");
const routes = require("./dist/routes.js");
const dndRoutes = require("./dist/dnd/routes.js");
const {
userJoin,
userLeave,
getCurrentUser,
getTableUsers,
getChatLog,
appendMessageToChatLog,
} = require("./dist/lib/socketUsers.js");
const { pool } = require("./dist/api/dbconfig.js");
const sanitizeHtml = require("sanitize-html");
const { convertURLsToLinks } = require("./dist/lib/utils.js");
const morgan = require("morgan");
//Set CORS
// app.use(cors())
//Logging
app.use(morgan("combined"));
// Set view engine to EJS
app.set("view engine", "ejs");
// fixing "413 Request Entity Too Large" errors
app.use(bodyParser.json({ limit: "10mb", extended: true }));
app.use(
bodyParser.urlencoded({
limit: "10mb",
extended: true,
parameterLimit: 50000,
})
);
// Static
app.use(express.static("public"));
// check IP, only allow my origins to access /api
// app.use((req, res, next) => {
// if (req.url.includes("/api")) {
// const clientIp = requestIp.getClientIp(req);
// console.log("***********************************", clientIp);
// const authorizedIps = [
// "::1",
// "::ffff:127.0.0.1",
// "::ffff:192.168.100.244",
// // "::ffff:165.227.88.65",
// "::ffff:151.19.232.105",
// ];
// if (authorizedIps.includes(clientIp)) {
// next(); // If the IP is in the list, proceed to the next middleware
// } else {
// res.status(403).send("Unauthorized IP"); // If the IP is not in the list, reject the request
// }
// } else next();
// });
// allow first proxy if there is one
app.set("trust proxy", 1);
// sessions
app.use(
session({
store: new pgSession({
pool, // pg pool
tableName: "session",
}),
secret: process.env.SECRET_KEY,
name: "frcsession",
resave: false,
saveUninitialized: false,
cookie: {
httpOnly: true,
maxAge: 30 * 24 * 60 * 60 * 1000, // 30 days
sameSite: "lax",
secure: process.env.SERVER_ENV === "prod" ? true : false,
},
})
);
// Routes
// private
app.use("/api", apiRoutes);
// public
app.use("/", routes);
// dnd pages
app.use("/dnd", dndRoutes);
// not found
app.use((req, res) => {
res.status(404).render("404", { auth: req.session.user });
});
//Error
app.use((error, req, res, next) => {
console.error(error);
if (error.code === "EBADCSRFTOKEN") {
// CSRF token validation failed
error.status = 403;
error.message = "Form has expired or was tampered with.";
}
// code for unique constraint on user registration email
if (error.code == 23505) {
error.status = 400;
error.message = "This email has already been registered";
}
res.status(error.status || 500);
res.json({
error: {
message: error.message || "There was an Error",
},
});
});
/***************************** SOCKETS ***************************/
io.on("connection", (socket) => {
// testing
socket.on("table-joined", async ({ table, username }) => {
try {
const user = await userJoin(socket.id, username, table);
socket.join(table);
// broadcast when a user connects
io.to(table).emit("table-join", `Hello ${username}`);
// send users list
io.to(user.table).emit("current-users", await getTableUsers(table));
} catch (err) {
console.log("SOCKET ERROR", err);
}
});
socket.on("get-messages", async ({ table }) => {
io.to(table).emit("table-messages", await getChatLog(table));
});
// grid
socket.on("grid-changed", ({ table, gridState }) => {
socket.broadcast.to(table).emit("grid-change", gridState);
});
// table change
socket.on("table-changed", ({ table, newTableUUID }) => {
socket.broadcast.to(table).emit("table-change", newTableUUID);
});
// update images
socket.on("image-added", ({ table, image }) => {
socket.broadcast.to(table).emit("image-add", image);
});
socket.on("image-removed", ({ table, id }) => {
socket.broadcast.to(table).emit("image-remove", id);
});
socket.on("image-moved", ({ table, image }) => {
socket.broadcast.to(table).emit("image-move", image);
});
socket.on("object-moved-up", ({ table, object }) => {
socket.broadcast.to(table).emit("object-move-up", object);
});
socket.on("object-changed-layer", ({ table, object }) => {
socket.broadcast.to(table).emit("object-change-layer", object);
});
// when a user disconnects
socket.on("disconnect", async () => {
const user = await userLeave(socket.id);
if (user) {
// send users list
io.to(user.table).emit("current-users", await getTableUsers(user.table));
}
});
// Chat system new message
socket.on("new-message", async ({ table, content }) => {
try {
// Fetch the user details from Redis or your user management system
const user = await getCurrentUser(socket.id);
if (!user) {
console.log(
"Failure to fetch current user for new message on socket chat system"
);
return;
}
// first convert any urls to a tags
const processedContent = convertURLsToLinks(content);
// remove any unwanted html only allow a tags
const sanitizedContent = sanitizeHtml(processedContent, {
allowedTags: ["a", "br"], // Allow only <a> and <br> tags
allowedAttributes: {
a: ["href", "rel", "target"], // Allow only href, rel, and target attributes on <a> tags
},
});
const messageObject = {
userId: user.id,
username: user.username,
content: sanitizedContent,
timestamp: new Date().toISOString(),
};
// Append message to chat log
await appendMessageToChatLog(table, messageObject);
io.to(table).emit("message", messageObject);
} catch (err) {
console.log("Error handling message event:", err);
}
});
});
/***************************** Run ***************************/
let PORT = 4000;
if (process.env.SERVER_ENV === "dev") {
server.listen({ port: PORT }, async () => {
console.log(`Server Running at http://localhost:${PORT}`);
});
} else {
PORT = 443;
server.listen({ port: PORT }, async () => {
console.log(`Server Running at https://localhost:${PORT}`);
});
// redirect
http
.createServer(function (req, res) {
res.writeHead(301, {
Location: "https://" + req.headers["host"] + req.url,
});
res.end();
})
.listen(80);
}