1 files changed, 90 insertions, 0 deletions
diff --git a/server/src/commands/core/changenick.js b/server/src/commands/core/changenick.js
new file mode 100644
index 0000000..460f811
--- /dev/null
+++ b/server/src/commands/core/changenick.js
@@ -0,0 +1,90 @@
+/*
+  Description: Generates a semi-unique channel name then broadcasts it to each client
+*/
+
+'use strict';
+
+const verifyNickname = (nick) => {
+  return /^[a-zA-Z0-9_]{1,24}$/.test(nick);
+};
+
+exports.run = async (core, server, socket, data) => {
+  if (server._police.frisk(socket.remoteAddress, 6)) {
+    server.reply({
+      cmd: 'warn',
+      text: 'You are changing nicknames too fast. Wait a moment before trying again.'
+    }, socket);
+
+    return;
+  }
+
+  if (typeof data.nick !== 'string') {
+    return;
+  }
+
+  let newNick = data.nick.trim();
+
+  if (!verifyNickname(newNick)) {
+    server.reply({
+      cmd: 'warn',
+      text: 'Nickname must consist of up to 24 letters, numbers, and underscores'
+    }, socket);
+
+    return;
+  }
+
+  if (newNick.toLowerCase() == core.config.adminName.toLowerCase()) {
+    server._police.frisk(socket.remoteAddress, 4);
+
+    server.reply({
+      cmd: 'warn',
+      text: 'Gtfo'
+    }, socket);
+
+    return;
+  }
+
+  let userExists = server.findSockets({
+    channel: data.channel,
+    nick: (targetNick) => targetNick.toLowerCase() === newNick.toLowerCase()
+  });
+
+  if (userExists.length > 0) {
+    // That nickname is already in that channel
+    server.reply({
+      cmd: 'warn',
+      text: 'Nickname taken'
+    }, socket);
+
+    return;
+  }
+
+  let peerList = server.findSockets({ channel: socket.channel });
+  let leaveNotice = {
+    cmd: 'onlineRemove',
+    nick: socket.nick
+  };
+  let joinNotice = {
+    cmd: 'onlineAdd',
+    nick: newNick,
+    trip: socket.trip || 'null',
+    hash: server.getSocketHash(socket)
+  };
+
+  server.broadcast( leaveNotice, { channel: socket.channel });
+  server.broadcast( joinNotice, { channel: socket.channel });
+  server.broadcast( {
+    cmd: 'info',
+    text: `${socket.nick} is now ${newNick}`
+  }, { channel: socket.channel });
+
+  socket.nick = newNick;
+};
+
+exports.requiredData = ['nick'];
+
+exports.info = {
+  name: 'changenick',
+  usage: 'changenick {nick}',
+  description: 'This will change your current connections nickname'
+};