view mod_muc_bot/README.markdown @ 4651:8231774f5bfd

mod_cloud_notify_encrypted: Ensure body substring remains valid UTF-8 The `body:sub()` call risks splitting the string in the middle of a multi-byte UTF-8 sequence. This should have been caught by util.stanza validation, but that would have caused some havoc, at the very least causing the notification to not be sent. There have been no reports of this happening. Likely because this module isn't widely deployed among users with languages that use many longer UTF-8 sequences. The util.encodings.utf8.valid() function is O(n) where only the last sequence really needs to be checked, but it's in C and expected to be fast.
author Kim Alvefur <zash@zash.se>
date Sun, 22 Aug 2021 13:22:59 +0200
parents 9cbdb60e21f2
children 55cf7f063af6
line wrap: on
line source

---
summary: Module for improving the life of bot authors
---

This module makes it easier to write MUC bots by removing the
requirement that the bot be online and joined to the room.

All the bot needs to do is send a message and this module handles the
rest.

# Configuration

Example configuration in Prosody:

```lua
Component "muc.example.com" "muc"

modules_enabled = {
    "muc_bot",
}
known_bots = { "bot@example.com" }
bots_get_messages = false
ignore_bot_errors = true
```

# Sending messages

Simply send a stanza like this from your bot:

```xml
<message type="groupchat" to="channel@muc.example.com">
  <body>Beep boop, I'm a bot!</body>
  <nick xmlns="http://jabber.org/protocol/nick">Botty</nick>
</message>
```

## Use with mod_rest

Using [mod_rest] to interact with MUC suffers from the same need to join
with an online resource, so this module helps with that as well!

```bash
curl https://xmpp.example.com/rest/message/groupchat/room@muc.example.com \
    -d body="beep boop" \
    -d nick="Botty"
```

# Compatibility

Prosody **trunk** required.