From c719020e17cb1c98da55be6cc7efe0e50ab51ffa Mon Sep 17 00:00:00 2001
From: marzavec <admin@marzavec.com>
Date: Sat, 29 Sep 2018 23:44:36 -0700
Subject: Added hooks, modules and cleaned up code

---
 server/src/commands/mod/dumb.js | 98 ++++++++++++++++++++++++++++++++++-------
 1 file changed, 81 insertions(+), 17 deletions(-)

(limited to 'server/src/commands/mod/dumb.js')

diff --git a/server/src/commands/mod/dumb.js b/server/src/commands/mod/dumb.js
index 675ecd6..ecb4e0d 100644
--- a/server/src/commands/mod/dumb.js
+++ b/server/src/commands/mod/dumb.js
@@ -1,18 +1,20 @@
 /*
- * Description: Make a user (spammer) dumb
+ * Description: Make a user (spammer) dumb (mute)
  * Author: simple
  */
 
+// module constructor
 exports.init = (core) => {
+  if (typeof core.muzzledHashes === 'undefined') {
     core.muzzledHashes = {};
-}
+  }
+};
 
+// module main
 exports.run = async (core, server, socket, data) => {
   // increase rate limit chance and ignore if not admin or mod
-  if (socket.uType == 'user') {
-    server._police.frisk(socket.remoteAddress, 10);
-
-    return;
+  if (socket.uType === 'user') {
+    return server._police.frisk(socket.remoteAddress, 10);
   }
 
   // check user input
@@ -24,29 +26,25 @@ exports.run = async (core, server, socket, data) => {
   let badClient = server.findSockets({ channel: socket.channel, nick: data.nick });
 
   if (badClient.length === 0) {
-    server.reply({
+    return server.reply({
       cmd: 'warn',
       text: 'Could not find user in channel'
     }, socket);
-
-    return;
   }
 
   badClient = badClient[0];
 
   // likely dont need this, muting mods and admins is fine
   if (badClient.uType !== 'user') {
-    server.reply({
+    return server.reply({
       cmd: 'warn',
       text: 'This trick wont work on mods and admin'
     }, socket);
-
-    return;
   }
 
   // store hash in mute list
   let record = core.muzzledHashes[badClient.hash] = {
-      dumb:true
+      dumb: true
   }
 
   // store allies if needed
@@ -59,12 +57,78 @@ exports.run = async (core, server, socket, data) => {
     cmd: 'info',
     text: `${socket.nick} muzzled ${data.nick} in ${socket.channel}, userhash: ${badClient.hash}`
   }, { uType: 'mod' });
-}
+};
 
-exports.requiredData = ['nick'];
+// module hook functions
+exports.initHooks = (server) => {
+  server.registerHook('in', 'chat', this.chatCheck);
+  server.registerHook('in', 'invite', this.inviteCheck);
+  // TODO: add whisper hook, need hook priorities todo finished first
+};
+
+// hook incoming chat commands, shadow-prevent chat if they are muzzled
+exports.chatCheck = (core, server, socket, payload) => {
+  if (typeof payload.text !== 'string') {
+    return false;
+  }
+
+  if(core.muzzledHashes[socket.hash]){
+    // build fake chat payload
+    mutedPayload = {
+      cmd: 'chat',
+      nick: socket.nick,
+      text: payload.text
+    };
+
+    if (socket.trip) {
+      mutedPayload.trip = socket.trip;
+    }
+
+    // broadcast to any duplicate connections in channel
+    server.broadcast( mutedPayload, { channel: socket.channel, hash: socket.hash });
 
+    // broadcast to allies, if any
+    if(core.muzzledHashes[socket.hash].allies){
+      server.broadcast( mutedPayload, { channel: socket.channel, nick: core.muzzledHashes[socket.hash].allies });
+    }
+
+    // blanket "spam" protection, may expose the ratelimiting lines from `chat` and use that, TODO: one day #lazydev
+    server._police.frisk(socket.remoteAddress, 9);
+
+    return false;
+  }
+
+  return payload;
+};
+
+// shadow-prevent all invites from muzzled users
+exports.inviteCheck = (core, server, socket, payload) => {
+  if (typeof payload.nick !== 'string') {
+    return false;
+  }
+
+  if(core.muzzledHashes[socket.hash]){
+    // generate common channel
+    let channel = Math.random().toString(36).substr(2, 8);
+
+    // send fake reply
+    server.reply({
+      cmd: 'info',
+      text: `You invited ${payload.nick} to ?${channel}`
+    }, socket);
+
+    return false;
+  }
+
+  return payload;
+};
+
+// module meta
+exports.requiredData = ['nick'];
 exports.info = {
   name: 'dumb',
-  usage: 'dumb {nick} [allies...]',
-  description: 'Globally shadow mute a connection. Optional allies array will see muted messages.'
+  description: 'Globally shadow mute a connection. Optional allies array will see muted messages.',
+  usage: `
+    API: { cmd: 'dumb', nick: '<target nick>', allies: ['<optional nick array>', ...] }`
 };
+exports.info.aliases = ['muzzle', 'mute'];
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