From 949404cd1aad8492ae0338130f16054adfa38ab7 Mon Sep 17 00:00:00 2001
From: Neel Kamath <neelkamath@protonmail.com>
Date: Sun, 13 May 2018 16:37:56 +0530
Subject: Prevent fucking shit up

---
 server/src/commands/core/move.js | 83 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 server/src/commands/core/move.js

(limited to 'server/src/commands/core/move.js')

diff --git a/server/src/commands/core/move.js b/server/src/commands/core/move.js
new file mode 100644
index 0000000..c5efafd
--- /dev/null
+++ b/server/src/commands/core/move.js
@@ -0,0 +1,83 @@
+/*
+  Description: Generates a semi-unique channel name then broadcasts it to each client
+*/
+
+exports.run = async (core, server, socket, data) => {
+  if (server._police.frisk(socket.remoteAddress, 6)) {
+    server.reply({
+      cmd: 'warn',
+      text: 'You are changing channels too fast. Wait a moment before trying again.'
+    }, socket);
+
+    return;
+  }
+
+  if (typeof data.channel !== 'string') {
+    return;
+  }
+
+  if (data.channel === socket.channel) {
+    // They are trying to rejoin the channel
+    return;
+  }
+
+  const currentNick = socket.nick.toLowerCase();
+  let userExists = server.findSockets({
+    channel: data.channel,
+    nick: (targetNick) => targetNick.toLowerCase() === currentNick
+  });
+
+  if (userExists.length > 0) {
+    // That nickname is already in that channel
+    return;
+  }
+
+  let peerList = server.findSockets({ channel: socket.channel });
+
+  if (peerList.length > 1) {
+    for (let i = 0, l = peerList.length; i < l; i++) {
+      server.reply({
+        cmd: 'onlineRemove',
+        nick: peerList[i].nick
+      }, socket);
+
+      if (socket.nick !== peerList[i].nick){
+        server.reply({
+          cmd: 'onlineRemove',
+          nick: socket.nick
+        }, peerList[i]);
+      }
+    }
+  }
+
+  let newPeerList = server.findSockets({ channel: data.channel });
+  let moveAnnouncement = {
+    cmd: 'onlineAdd',
+    nick: socket.nick,
+    trip: socket.trip || 'null',
+    hash: server.getSocketHash(socket)
+  };
+  let nicks = [];
+
+  for (let i = 0, l = newPeerList.length; i < l; i++) {
+    server.reply(moveAnnouncement, newPeerList[i]);
+    nicks.push(newPeerList[i].nick);
+  }
+
+  nicks.push(socket.nick);
+
+  server.reply({
+    cmd: 'onlineSet',
+    nicks: nicks
+  }, socket);
+
+  socket.channel = data.channel;
+};
+
+exports.requiredData = ['channel'];
+
+exports.info = {
+  name: 'move',
+  usage: 'move {channel}',
+  description: 'This will change the current channel to the new one provided'
+};
\ No newline at end of file
-- 
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