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https://github.com/poljar/weechat-matrix

Weechat Matrix protocol script written in python
https://github.com/poljar/weechat-matrix

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Weechat Matrix protocol script written in python

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# What is Weechat-Matrix?



[Weechat](https://weechat.org/) is an extensible chat client.



[Matrix](https://matrix.org/blog/home) is an open network for secure,

decentralized communication.



[weechat-matrix](https://github.com/poljar/weechat-matrix/) is a Python script

for Weechat that lets Weechat communicate over the Matrix protocol.



# Project Status



weechat-matrix is stable and quite usable as a daily driver. It already

supports large parts of the Matrix protocol, including end-to-end encryption

(though some features like cross-signing and session unwedging are

unimplemented).



However, due to some inherent limitations of Weechat *scripts*, development has

moved to [weechat-matrix-rs](https://github.com/poljar/weechat-matrix-rs),

a Weechat *plugin* written in Rust. As such, weechat-matrix is in maintenance

mode and will likely not be receiving substantial new features. PRs are still

accepted and welcome.



# Installation



## Arch Linux



Packaged as `community/weechat-matrix`.



    pacman -S weechat-matrix



## Alpine Linux



    apk add weechat-matrix



Then follow the instructions printed during installation to make the script

available to weechat.



## Other platforms



1. Install libolm 3.1+



    - Debian 11+ (testing/sid) or Ubuntu 19.10+ install libolm-dev



    - FreeBSD `pkg install olm`



    - macOS `brew install libolm`



    - Failing any of the above see https://gitlab.matrix.org/matrix-org/olm

      for instructions about building it from sources



2. Clone the repo and install dependencies

    ```

    git clone https://github.com/poljar/weechat-matrix.git

    cd weechat-matrix

    pip install --user -r requirements.txt

    ```



3. As your regular user, just run: `make install` in this repository directory.



    This installs the main python file (`main.py`) into

    `~/.weechat/python/` (renamed to `matrix.py`) along with the other

    python files it needs (from the `matrix` subdir).



    Note that weechat only supports Python2 OR Python3, and that setting is

    determined at the time that Weechat is compiled.  Weechat-Matrix can work with

    either Python2 or Python3, but when you install dependencies you will have to

    take into account which version of Python your Weechat was built to use.



    The minimal supported python2 version is 2.7.10.



    The minimal supported python3 version is 3.5.4 or 3.6.1.



    To check the python version that weechat is using, run:



       /python version



## Using virtualenv

If you want to install dependencies inside a virtualenv, rather than

globally for your system or user, you can use a virtualenv.

Weechat-Matrix will automatically use any virtualenv it finds in a

directory called `venv` next to its main Python file (after resolving

symlinks). Typically, this means `~/.weechat/python/venv`.



To create such a virtualenv, you can use something like below. This only

needs to happen once:



```

virtualenv ~/.weechat/python/venv

```



Then, activate the virtualenv:



```

. ~/.weechat/python/venv/bin/activate

```



This needs to be done whenever you want to install packages inside the

virtualenv (so before running the `pip install` command documented

above.



Once the virtualenv is prepared in the right location, Weechat-Matrix

will automatically activate it when the script is loaded. This should

not affect other script, which seem to have a separate Python

environment.



Note that this only supports virtualenv tools that support the

[`activate_this.py` way of

activation](https://virtualenv.pypa.io/en/latest/userguide/#using-virtualenv-without-bin-python).

This includes the `virtualenv` command, but excludes pyvenv and the

Python3 `venv` module. In particular, this works if (for a typical

installation of `matrix.py`) the file

`~/.weechat/python/venv/bin/activate_this.py` exists.



## Run from git directly



Rather than copying files into `~/.weechat` (step 3 above), it is also

possible to run from a git checkout directly using symlinks.



For this, you need two symlinks:



```

ln -s /path/to/weechat-matrix/main.py ~/.weechat/python/matrix.py

ln -s /path/to/weechat-matrix/matrix ~/.weechat/python/matrix

```



This first link is the main python file, that can be loaded using

`/script load matrix.py`. The second link is to the directory with extra

python files used by the main script. This directory must be linked as

`~/.weechat/python/matrix` so it ends up in the python library path and

its files can be imported using e.g. `import matrix` from the main python

file.



Note that these symlinks are essentially the same as the files that

would have been copied using `make install`.



## Uploading files



Uploads are done using a helper script, which is found under

[contrib/matrix_upload](https://github.com/poljar/weechat-matrix/blob/master/contrib/matrix_upload.py).

We recommend you install this under your `PATH` as `matrix_upload` (without the `.py` suffix).

Uploads can be done from Weechat with: `/upload `.



## Downloading encrypted files



Encrypted files are displayed as an `emxc://` URI which cannot be directly

opened. They can be opened in two different ways:



- **In the CLI** by running the

[contrib/matrix_decrypt](https://github.com/poljar/weechat-matrix/blob/master/contrib/matrix_decrypt.py)

helper script.



- **In the browser** by using

  [matrix-decryptapp](https://github.com/seirl/matrix-decryptapp). This is a

  static website which cannot see your data, all the decryption happens

  on the client side. You can either host it yourself or directly use the

  instance hosted on `seirl.github.io`. This weechat trigger will convert all

  your `emxc://` URLs into clickable https links:



  ```

  /trigger addreplace emxc_decrypt modifier weechat_print "" ";($|[^\w/#:\[])(emxc://([^ ]+));${re:1}https://seirl.github.io/matrix-decryptapp/#${re:2};"

  ```



# Configuration



Configuration is completed primarily through the Weechat interface.  First start Weechat, and then issue the following commands:



1. Start by loading the Weechat-Matrix script:



       /script load matrix.py



2. Now set your username and password:



       /set matrix.server.matrix_org.username johndoe

       /set matrix.server.matrix_org.password jd_is_awesome



3. Now try to connect:



       /matrix connect matrix_org



4. Automatically load the script



       $ ln -s ../matrix.py ~/.weechat/python/autoload



5. Automatically connect to the server



       /set matrix.server.matrix_org.autoconnect on



6. If everything works, save the configuration



       /save



## For using a custom (not matrix.org) matrix server:



1. Add your custom server to the script:



       /matrix server add myserver myserver.org



1. Add the appropriate credentials



       /set matrix.server.myserver.username johndoe

       /set matrix.server.myserver.password jd_is_awesome



1. If everything works, save the configuration



       /save



## Single sign-on:



Single sign-on is supported using a helper script, the script found under

[contrib/matrix_sso_helper](https://github.com/poljar/weechat-matrix/blob/master/contrib/matrix_sso_helper.py)

should be installed under your `PATH` as `matrix_sso_helper` (without the `.py` suffix).



For single sign-on to be the preferred leave the servers username and password

empty.



After connecting a URL will be presented which needs to be used to perform the

sign on. Please note that the helper script spawns a HTTP server which waits for

the sign-on token to be passed back. This makes it necessary to do the sign on

on the same host as Weechat.



A hsignal is sent out when the SSO helper spawns as well, the name of the

hsignal is `matrix_sso_login` and it will contain the name of the server in the

`server` variable and the full URL that can be used to log in in the `url`

variable.



To open the login URL automatically in a browser a trigger can be added:



        /trigger add sso_browser hsignal matrix_sso_login "" "" "/exec -bg firefox ${url}"



If signing on on the same host as Weechat is undesirable the listening port of

the SSO helper should be set to a static value using the

`sso_helper_listening_port` setting:



       /set matrix.server.myserver.sso_helper_listening_port 8443



After setting the listening port the same port on the local machine can be

forwarded using ssh to the remote host:



        ssh -L 8443:localhost:8443 example.org



This forwards the local port 8443 to the localhost:8443 address on example.org.

Note that it is necessary to forward the port to the localhost address on the

remote host because the helper only listens on localhost.



## Bar items



There are two bar items provided by this script:



1. `matrix_typing_notice` - shows the currently typing users



1. `matrix_modes` - shows room and server info (encryption status of the room,

   server connection status)



They can be added to the weechat status bar as usual:

       /set weechat.bar.status.items



The `matrix_modes` bar item is replicated in the already used `buffer_modes` bar

item.



## Typing notifications and read receipts



The sending of typing notifications and read receipts can be temporarily

disabled for a given room via the `/room` command. They can also be permanently

configured using standard weechat conditions settings with the following

settings:



1. `matrix.network.read_markers_conditions`

1. `matrix.network.typing_notice_conditions`



## Cursor bindings



While you can reply on a matrix message using the `/reply-matrix` command (see

its help in weechat), weechat-matrix also adds a binding in `/cursor` mode to

easily reply to a particular message. This mode can be triggered either by

running `/cursor`, or by middle-clicking somewhere on the screen. See weechat's

help for `/cursor`.



The default binding is:



    /key bindctxt cursor @chat(python.matrix.*):r hsignal:matrix_cursor_reply



This means that you can reply to a message in a Matrix buffer using the middle

mouse button, then `r`.



This binding is automatically set when the script is loaded and there is no

such binding yet. If you want to use a different key than `r`, you can execute

the above command with a different key in place of `r`. To use modifier keys

like control and alt, use alt-k, then your wanted binding key combo, to enter

weechat's representation of that key combo in the input bar.



## Navigating room buffers using go.py



If you try to use the `go.py` script to navigate buffers created by

weechat-matrix, `go.py` will by default use the full buffer name which does not

contain a human-readable room display name but only the Matrix room ID. This is

necessary so that the logger file is able to produce unique, permanent

filenames for a room.



However, buffers also have human-readable short names. To make `go.py` use the

short names for navigation, you can run the following command:



```

/set plugins.var.python.go.short_name "on"

```



As an alternative, you can also force weechat-matrix to use human-readable

names as the full buffer names by running



```

/set matrix.look.human_buffer_names on

```



Beware that you will then also need to adjust your logger setup to prevent room

name conflicts from causing logger file conflicts.



# Helpful Commands



`/help matrix` will print information about the `/matrix` command.



`/help olm` will print information about the `/olm` command that is used for

device verification.



`/matrix help [command]` will print information for subcommands, such as `/matrix help server`