Forwarder for x-www-browser for containerized apps
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x-www-forwarder.service

README.md

x-www-browser-forward

If you're running apps inside Docker containers you might have noticed URLs won't open. This is of course because it is looking for a browser in it's own container. The simplest way to set a browser is by setting /usr/bin/x-www-browser, which is where to put the client binary. On the host the server runs which listens to the socket for browser calls and forwards it to it's own /usr/bin/x-www-browser` which is a browser on the host or a script to call the container of your choice!

How to use

  1. Compile both the client and server with go build
  2. Place the client as /usr/bin/x-www-browser in the containers
  3. Make the server run as a service (see bellow SystemD section)
  4. Link the /var/run/browser.sock socket to the container

Note: it doesn't work in every app yet due some diversity. It works in Slack! Some apps, like Thunderbird, can also be modified to point to the correct application that opens the browser.

SystemD configuration

# Create folder for user SystemD processes
mkdir -p ~/.config/systemd/user
# Copy systemD configuration file from this repository
cp /path/to/this/git-repository/x-www-forwarder.service ~/.config/systemd/user/x-www-forwarder.service
# Alternatively you can link this file from this repo to ~/.config/systemd/user/x-www-forwarder.service
ln -s $(pwd)/x-www-forwarder.service ~/.config/systemd/user/x-www-forwarder.service
# Edit ~/.config/systemd/user/x-www-forwarder.service file and adjust the path to x-www-forwarder-server & browser-cmd
# enable systemd service on user login
sudo  loginctl enable-linger volker
# systemd config file reload (optional) and start it
systemctl --user daemon-reload
systemctl --user start x-www-forwarder.service

Note: There might be easier and quicker ways...

Optional command line arguments for the server part

Usage of x-www-browser-forwarder:
  -browser-cmd string
        Command to open URL (default "x-www-browser")
  -socket-file string
        Socket address (default "/var/run/browser.sock")

Note: The client defaults are not adjustable since you have full control with Docker on how to map the browser command and socket into the container.