Khaganat's web site

Requirements

• Python 3.6 or newer
• pipenv
• git
• gettext

Code formatting

In order to have a single Python coding style, please use black. However, auto-generated files and parts of external projects should not be reformatted.

$ black $(find . -type f -name "*\.py" -not -path "*/migrations/*" -print)

Quick-start (development)

$ git clone https://git.khaganat.net/Tycho/khaganat-web.git khaganat-web
$ cd khaganat-web
$ vim .env
$ PIPENV_VENV_IN_PROJECT=1 pipenv --three update
$ pipenv run ./manage.py compilemessages

When editing the .env file, you should at least set KHAGANAT_SECRET_KEY to a random value, KHAGANAT_DEBUG to "True" and KHAGANAT_HOSTNAMES to "localhost".

To run this web application, you need a database. The simplest way is to download the one from the test server (scp cipra.khaganat.net:/var/www/khaganat-web/db.sqlite3 db.sqlite3). If you really want to start from scratch, you have to run the following commands:

$ pipenv run ./manage.py migrate
$ pipenv run ./manage.py compilemessages
$ pipenv run ./manage.py createsuperuser

Now that everything has been set-up, you may run Django's internal debug server.

$ pipenv run ./manage.py runserver

If you created the database from scratch, Django will show an error when visiting the home page. To fix it, you need to go to /admin/ and create a page with the default flag on.

Environment variables

You can set the following variables in the .env file:

• KHAGANAT_SECRET_KEY (required): Django's secret key, keep it secret (tip: generate one using pipenv run python -c 'from django.core.management.utils import get_random_secret_key; print(get_random_secret_key())').
• KHAGANAT_DEBUG: Debug mode, default is false.
• KHAGANAT_HOSTNAMES: Allowed hostnames, coma separated.
• KHAGANAT_LANGUAGE_CODE: Language code, default is fr.
• KHAGANAT_TIME_ZONE: Time zone, default is Europe/Paris.
• KHAGANAT_STATIC_URL: URL for static files, default is /static/.
• KHAGANAT_STATIC_ROOT: Absolute path to the directory where static files should be collected. Default is None.
• KHAGANAT_LOGS_MIN_DAYS: Numbers of days before logs are hidden, default is 7.
• KHAGANAT_LOGS_MAX_DAYS: Number of days before logs are published, default is 0.
• KHAGANAT_LOGIN_REDIRECT_URL: URL to redirect after user login. Will be reversed, default is index.
• KHAGANAT_REGISTER_REQUIRE_VALIDATION: require email validation upon registration, default is true.
• KHAGANAT_EMAIL_HOST: The host to use for sending email, default is localhost.
• KHAGANAT_EMAIL_PORT: Port to use for the SMTP server, default is 25.
• KHAGANAT_EMAIL_HOST_USER: Username to use for the SMTP server, default is empty (no authentication).
• KHAGANAT_EMAIL_HOST_PASSWORD: Password to use for the SMTP server, default is empty.
• KHAGANAT_EMAIL_USE_STARTTLS: Whether to use STARTTLS to connect to the SMTP server, default is False.
• KHAGANAT_EMAIL_USE_TLS: Whether to use a TLS connection to the SMTP server, default is False.
• KHAGANAT_EMAIL_SUBJECT_PREFIX: Subject-line prefix for email, default is empty.
• KHAGANAT_DEFAULT_FROM_EMAIL: Default email address to use, default is no-reply@localhost.
• KHAGANAT_FORCE_HTTPS: If True, enable the use of KHAGANAT_HTTPS_HEADER_NAME and KHAGANAT_HTTPS_HEADER_VALUE to set the SECURE_PROXY_SSL_HEADER configuration option. Default is False.
• KHAGANAT_HTTPS_HEADER_NAME: Header name for SECURE_PROXY_SSL_HEADER, default is HTTP_X_FORWARDED_PROTO.
• KHAGANAT_HTTPS_HEADER_VALUE: Header value for SECURE_PROXY_SSL_HEADER, default is https.
• KHAGANAT_NSFW_TAGS: Coma-separated list of words that triggers the content warning in logs, default is \#nsfw.
• KHAGANAT_NSFW_NAME: Name of the cookie holding the NSFW allowance, default is nsfw_allowed.
• KHAGANAT_INTERNAL_IPS: List of IP considered as internal, coma separated, default is 127.0.0.1,::1.
• KHAGANAT_XMPP_BOSH_URL: URL of the BOSH server used to contact the XMPP server. Default is empty.
• KHAGANAT_XMPP_JID: The JID to use for the XMPP session. Default is empty.
• KHAGANAT_XMPP_ROOMS: List of rooms to automatically join when connecting. Default is empty.
• KHAGANAT_XMPP_WEBSOCKET_URL: URL of the websocket server used to contact the XMPP server. Default is empty.

Quick update

$ cd khaganat-web
$ git pull
$ pipenv --three update
$ pipenv run ./manage.py migrate
$ pipenv run ./manage.py compilemessages

If you are not in a development environment (runserver), you also have to run pipenv run ./manage.py collectstatic --clear --noinput and may have to restart the WSGI server.

Nginx + uWSGI on ArchLinux

Before deploying, you may read the following guides:

• How to use Django with uWSGI
• Setting up Django and your web server with uWSGI and nginx

Install nginx-mainline, uwsgi and uwsgi-plugin-python.

# mkdir -p /srv/http/khaganat/static
# cd /srv/http/khaganat
# git clone https://git.khaganat.net/Tycho/khaganat-web.git app
# cd app
# PIPENV_VENV_IN_PROJECT=1 pipenv --three update

Create /etc/uwsgi/khaganat.ini with the appropriate environment variables:

[uwsgi]
chdir = /srv/http/khaganat/app
home = /srv/http/khaganat/app/.venv
module = khaganat.wsgi:application
plugins = python
socket = /srv/http/khaganat/uwsgi.sock
uid = http
gid = http
threads = 2
vacuum = True
env = KHAGANAT_SECRET_KEY="generate a new one"
env = KHAGANAT_DEBUG=False
env = KHAGANAT_STATIC_ROOT=/srv/http/khaganat/static
env = KHAGANAT_HOSTNAMES=khaganat.local

Create /etc/systemd/system/multi-user.target.wants/uwsgi@.service :

[Unit]
Description=uWSGI service unit
After=syslog.target

[Service]
ExecStart=/usr/bin/uwsgi --ini /etc/uwsgi/%I.ini
ExecReload=/bin/kill -HUP $MAINPID
ExecStop=/bin/kill -INT $MAINPID
Restart=always
Type=notify
StandardError=syslog
NotifyAccess=all
KillSignal=SIGQUIT

[Install]
WantedBy=multi-user.target

Configure nginx :

server {
	listen	80;
	listen	[::]:80;
	server_name	"khaganat.local";

	include custom/headers.conf;

	location /static {
		root /srv/http/khaganat/;
	}

	location / {
		uwsgi_pass unix:///srv/http/khaganat/uwsgi.sock;
		include uwsgi_params;
	}
}

Finish the installation:

# cd /srv/http/khaganat/app
# pipenv run ./manage.py migrate
# pipenv run ./manage.py collectstatic --clear --noinput
# pipenv run ./manage.py compilemessages
# pipenv run ./manage.py createsuperuser
# chown -R http:http /srv/http/khaganat/
# systemctl enable uwsgi@khaganat.service
# systemctl start uwsgi@khaganat.service
# systemctl enable nginx.service
# systemctl start nginx.service

Do not forget to check the deployment checklist.