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view mod_captcha_registration/README.markdown @ 4579:b305814bd930

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mod_muc_dicebot: A thing to roll dice Do you see what happens, Jitsi? Do you see what happens when you make it hard for me to use a proper bot? This is what happens, Jitsi. This is what happens when you meet a stranger in the alps! Ahem. In all seriousness, this is more of a quick hack than anything else. It will look for `.r` in MUC messages and if it finds it, it'll interpret it as an instruction to roll a few dice. Injects the results in the body of the message. Eats the message alive if it is malformed.
author Jonas Schäfer <jonas@wielicki.name>
date Sat, 29 May 2021 15:17:05 +0200
parents 8de50be756e5
children
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---
labels:
- 'Stage-Beta'
summary: provides captcha protection for registration form
...

Introduction
============

Prosody-captcha is a little modification of prosody's
"mod\_register.lua" module that provides captcha protection for
registration form.

Installation
============

First of all you should build and install lua bindings for libgd —
[lua-gd](https://github.com/ittner/lua-gd/).

Then clone repsository lua-captcha:

    $ git clone https://github.com/mrDoctorWho/lua-captcha

install it:

    $ make install

Configuration
=============

After that you would configure prosody. This module requires from you 4
fields, you should add this into your VirtualHost entry.

    captcha_config = {
            dir = "/tmp"; -- Directory used to storage captcha images. Please make sure prosody user allowed to write there.
            timeout = 60; -- Timeout when captcha will expire
            web_path = "challenge"; -- Web path used to separate main prosody site from itself modules.
            font = "/usr/lib/prosody/FiraSans-Regular.ttf" -- Font used for captcha text
    }

You can run script "install.lua" to install this or instead of that
while prosody developers didn't accepted "dataforms" changes you should
replace standard prosody "dataforms.lua" located in ubuntu in
/usr/lib/prosody/util by another one from this repository. You should do
the same thing with "mod\_register.lua" located in ubuntu in
/usr/lib/prosody/modules.

After this all you can try to register on your server and see the
captcha.

TODO
====

-   Maybe use recaptcha instead of libgd.