tgpholly/t00-multiuser
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do not send users from other pages under any circumstances

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This commit is contained in:
Holly Stubbs 2024-04-19 09:44:26 +01:00
parent 91ab64a491
commit 6b9b67eb3f
Signed by: tgpholly
GPG key ID: B8583C4B7D18119E
3 changed files with 23 additions and 5 deletions
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2
client/Terminal-00-Multiuser.user.js
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@ -166,7 +166,7 @@ if (!window.TE_ACTIVE) {
pingDiv.style.top = `${y}px`;
pingDiv.style.left = `${x}px`;
otherCursors.appendChild(pingDiv);
setTimeout(() => pingDiv.remove(), 1999);
setTimeout(() => pingDiv.remove(), 2000);
}
function removeClient(id) {

14
client/otherpagetest.html Normal file
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@ -0,0 +1,14 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>UserScript test page</title>
</head>
<body>
<h1>Test page :)</h1>
<script src="./Terminal-00-Multiuser.user.js"></script>
</body>
</html>

10
server/index.ts
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@ -59,13 +59,17 @@ server.on("connection", (socket) => {
page = "";
}
let lengthOfUsernames = 0;
const usersOnPage = new Array<User>();
await users.forEach(otherUser => {
if (otherUser.currentURL === page) {
usersOnPage.push(otherUser);
lengthOfUsernames += otherUser.username.length + 1; // + 1 for length byte
}
});
const usersToSend = createWriter(Endian.LE, 3 + (users.length * 12) + lengthOfUsernames).writeByte(MessageType.Clients).writeUShort(users.length);
await users.forEach(otherUser => {
const usersToSend = createWriter(Endian.LE, 3 + (usersOnPage.length * 12) + lengthOfUsernames).writeByte(MessageType.Clients).writeUShort(usersOnPage.length);
for (const otherUser of usersOnPage) {
usersToSend.writeUInt(otherUser.id).writeShortString(otherUser.username).writeFloat(otherUser.cursorX).writeInt(otherUser.cursorY);
});
}
user = users.set(myUUID, new User(socket, username, page));
sendToAllButSelf(user, createWriter(Endian.LE, 6 + username.length).writeByte(MessageType.ClientJoined).writeUInt(user.id).writeShortString(username).toBuffer());
user.send(usersToSend.toBuffer());