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localslackirc

The idea of this project is to create a localhost IRC server that functions as a gateway for one user of slack, that can connect to it with whatever IRC client they prefer or a bouncer like ZNC and keep using slack from IRC even after they shut down their IRC gateway.

Why? Peace of mind!

Using slack from IRC instead of web app offers several advantages:

  • You do not see all the gifs other people post.
  • You can /ignore users who bother you (can't do that on slack).
  • Leaving channels on slack is hard, normally I get invited back continuously on the off topic channels. With localslackirc you can leave them on the IRC client without people knowing that you won't be reading any of that.
  • IRC clients allow to customise notifications. For example I have set mine to just blink in the tray area and do no sounds or popups.
  • Any IRC client is faster than the web ui slack has, and it will respect your colour and style settings.
  • Power savings. Because that's a logical consequence of not doing something in the browser.

Running localslackirc

The preferred way is to have Debian Testing and install from the repository. You can grab the latest .deb and sources from: https://github.com/ltworf/localslackirc/releases

All the options are documented in the man page. Execute

man man/localslackirc.1

To read the page without installing localslackirc on the system.

There is alocalslackirc binary but the preferred way is to run it using systemd.

Systemd

When installed from the .deb you will find a configuration template file in /etc/localslackirc.d/example.

Create a copy of it in the same directory and edit the copy.

You can create several copies to use several slack workspaces.

Tell systemd to start localslackirc and make sure the ports do not collide.

instancename is the name of the file.

# To start the instance
sudo systemctl start [email protected]
# To start the instance at every boot
sudo systemctl enable [email protected]

Docker

Create a configuration file basing it on localslackirc.d/example

# Create the container
docker build -t localslackirc -f docker/Dockerfile .

# Run localslackirc
docker run -d -p 9007:9007 --name=mylocalslackirc --env-file configfile localslackirc

Sources

Requirements

  • At least Python 3.8
  • The modules indicated in requirements.txt

Check the manpage for the parameters.

./irc.py

Obtain a token

Before localslackirc can do anything useful, you need to obtain a token.

Your token should be placed inside the configuration file.

Obtain a token from slack

Alternatively if this method fails you can get one from Slack's web client

  1. Instructions for Chromium and Firefox
  • In your browser, login to slack and then open the web console.
  • Run this javascript code: q=JSON.parse(localStorage.localConfig_v2)["teams"]; q[Object.keys(q)[0]]["token"]
  • Copy the result, without quotes.
  • Note: If you are signed in to multiple teams this will not work, run in a private window for the team you want to set up.

Obtain a Slack cookie

This step is only needed if your token starts with xoxc-. This option is available since release 1.7.

  • Run this javascript code:
q=JSON.parse(localStorage.localConfig_v2)["teams"];
var authToken=q[Object.keys(q)[0]]["token"];


// setup request
var formData = new FormData();
formData.append('token', authToken);

// make request
(async () => {
  const rawResponse = await fetch('/api/emoji.list', {
    method: 'POST',
    body: formData
  });

  const emojisApi = await rawResponse.json();

  // dump to console
})();
  • In the network tab inspect the request for "emoji.list".
  • From that request, copy the "Cookie" header.
  • The values in the field look like key1=value1; key2=value2; key3=value3;
  • Get the string d=XXXXXX; (where XXX is the secret) and that is your cookie value. It is important to copy the d= part and the final ;.
  • Save the string in its own file (different than the token file).

Using localslackirc

After installing localslackirc and obtaining the token, it is the time to connect to localslackirc with the IRC client.

  • Connect to the IRC server created by localslackirc (by default 127.0.0.1:9007)
  • Use your Slack username as your nickname
  • If you left autojoin on, your client will automatically join your slack channels.

Sending files

You can use /sendfile #destination filepath to send files. Destination can be a channel or a user.

Instructions for irssi

If you need to refresh your memory about connecting in general, this is a good guide: https://pthree.org/2010/02/02/irssis-channel-network-server-and-connect-what-it-means/

Here's a list of irssi commands to set up a network and a localhost server:

/network add -user <you> -realname "<your name>" -nick <your nick> <slackname>
/server add -auto -port 9007 -network <slackname> localhost
/save

Then, start localslackirc in your terminal if you haven't already. (Just type python3 irc.py).

After localslackirc is running, and you have seen the connection message seen above, you can just connect to the localhost IRC network in irssi. Like this:

/connect <slackname>

And you should see the following message in your irssi:

22:15:35 [<slackname>] -!- Irssi: Looking up localhost
22:15:35 [<slackname>] -!- Irssi: Connecting to localhost [127.0.0.1] port 9007
22:15:35 [<slackname>] -!- Irssi: Connection to localhost established
22:15:36 [<slackname>] -!- Hi, welcome to IRC
22:15:36 [<slackname>] -!- Your host is serenity, running version miniircd-1.2.1
22:15:36 [<slackname>] -!- This server was created sometime
22:15:36 [<slackname>] -!- serenity miniircd-1.2.1 o o
22:15:36 [<slackname>] -!- There are 1 users and 0 services on 1 server
...

IRC Channel

#localslackirc on oftc


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