forked from indymedia/epicyon
257 lines
8.9 KiB
Markdown
257 lines
8.9 KiB
Markdown
<blockquote><b>Epicyon</b>, meaning <i>"more than a dog"</i>. Largest of the <i>Borophaginae</i> which lived in North America 20-5 million years ago.</blockquote>
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<img src="https://code.freedombone.net/bashrc/epicyon/raw/master/img/screenshot_indymedia.jpg?raw=true" width="80%"/>
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<img src="https://code.freedombone.net/bashrc/epicyon/raw/master/img/mobile.jpg?raw=true" width="30%"/>
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Epicyon is a modern [ActivityPub](https://www.w3.org/TR/activitypub) compliant server implementing both S2S and C2S protocols and sutable for installation on single board computers. It includes features such as moderation tools, post expiry, content warnings, image descriptions and perimeter defense against adversaries. It contains *no javascript* and uses HTML+CSS with a Python backend.
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[Project Goals](README_goals.md) - [Commandline interface](README_commandline.md) - [Customizations](README_customizations.md) - [Code of Conduct](code-of-conduct.md)
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Matrix room: **#epicyon:matrix.freedombone.net**
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Includes emojis designed by [OpenMoji](https://openmoji.org) – the open-source emoji and icon project. License: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0). Blob Cat Emoji and Meowmoji were made by Nitro Blob Hub, licensed under [Apache 2.0](https://www.apache.org/licenses/LICENSE-2.0).
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<img src="https://code.freedombone.net/bashrc/epicyon/raw/main/img/screenshot_light.jpg" width="80%"/>
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## Package Dependencies
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You will need python version 3.7 or later.
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On Arch/Parabola:
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``` bash
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sudo pacman -S tor python-pip python-pysocks python-pycryptodome \
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imagemagick python-pillow python-requests \
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perl-image-exiftool python-numpy python-dateutil \
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certbot flake8 bandit
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sudo pip3 install pyLD pyqrcode pypng
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```
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Or on Debian:
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``` bash
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sudo apt install -y \
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tor python3-socks imagemagick \
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python3-numpy python3-setuptools \
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python3-crypto python3-pycryptodome \
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python3-dateutil python3-pil.imagetk
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python3-idna python3-requests \
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python3-pyld python3-django-timezone-field \
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libimage-exiftool-perl python3-flake8 \
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python3-pyqrcode python3-png python3-bandit \
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certbot nginx
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```
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## Installation
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In the most common case you'll be using systemd to set up a daemon to run the server.
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The following instructions install Epicyon to the **/etc** directory. It's not essential that it be installed there, and it could be in any other preferred directory.
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Add a dedicated user so that we don't have to run as root.
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``` bash
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adduser --system --home=/opt/epicyon --group epicyon
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```
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Edit */etc/systemd/system/epicyon.service* and add the following:
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``` systemd
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[Unit]
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Description=epicyon
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After=syslog.target
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After=network.target
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[Service]
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Type=simple
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User=epicyon
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Group=epicyon
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WorkingDirectory=/opt/epicyon
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ExecStart=/usr/bin/python3 /opt/epicyon/epicyon.py --port 443 --proxy 7156 --domain YOUR_DOMAIN --registration open
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Environment=USER=epicyon
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Environment=PYTHONUNBUFFERED=true
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Restart=always
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StandardError=syslog
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[Install]
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WantedBy=multi-user.target
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```
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Here the server was installed to */opt/epicyon*, but you can change that to wherever you installed it.
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Then run the daemon:
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``` bash
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systemctl enable epicyon
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chown -R epicyon:epicyon /opt/epicyon
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systemctl start epicyon
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```
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Check the status of the daemon with:
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``` bash
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systemctl status epicyon
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```
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If it's not running then you can also look at the log:
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``` bash
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journalctl -u epicyon
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```
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You'll also need to set up a web server configuration. For Nginx edit */etc/nginx/sites-available/YOUR_DOMAIN* as follows:
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``` nginx
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server {
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listen 80;
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listen [::]:80;
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server_name YOUR_DOMAIN;
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access_log /dev/null;
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error_log /dev/null;
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client_max_body_size 31m;
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client_body_buffer_size 128k;
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index index.html;
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rewrite ^ https://$server_name$request_uri? permanent;
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}
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server {
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listen 443 ssl;
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server_name YOUR_DOMAIN;
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ssl_stapling off;
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ssl_stapling_verify off;
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ssl on;
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ssl_certificate /etc/letsencrypt/live/YOUR_DOMAIN/fullchain.pem;
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ssl_certificate_key /etc/letsencrypt/live/YOUR_DOMAIN/privkey.pem;
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#ssl_dhparam /etc/ssl/certs/YOUR_DOMAIN.dhparam;
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ssl_session_cache builtin:1000 shared:SSL:10m;
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ssl_session_timeout 60m;
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ssl_prefer_server_ciphers on;
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ssl_protocols TLSv1.2 TLSv1.3;
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ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
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add_header X-Frame-Options DENY;
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add_header X-Content-Type-Options nosniff;
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add_header X-XSS-Protection "1; mode=block";
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add_header X-Download-Options noopen;
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add_header X-Permitted-Cross-Domain-Policies none;
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add_header X-Robots-Tag "noindex, nofollow, nosnippet, noarchive";
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add_header Strict-Transport-Security max-age=15768000;
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access_log /dev/null;
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error_log /dev/null;
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index index.html;
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location / {
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proxy_http_version 1.1;
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client_max_body_size 31M;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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proxy_set_header Host $http_host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forward-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forward-Proto http;
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proxy_set_header X-Nginx-Proxy true;
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proxy_temp_file_write_size 64k;
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proxy_connect_timeout 10080s;
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proxy_send_timeout 10080;
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proxy_read_timeout 10080;
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proxy_buffer_size 64k;
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proxy_buffers 16 32k;
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proxy_busy_buffers_size 64k;
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proxy_redirect off;
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proxy_request_buffering on;
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proxy_buffering on;
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proxy_pass http://localhost:7156;
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}
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}
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```
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Changing your domain name as appropriate. Activate the configuration with:
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``` bash
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ln -s /etc/nginx/sites-available/YOUR_DOMAIN /etc/nginx/sites-enabled/
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```
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Generate a LetsEncrypt certificate.
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``` bash
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certbot certonly -n --server https://acme-v02.api.letsencrypt.org/directory --standalone -d YOUR_DOMAIN --renew-by-default --agree-tos --email YOUR_EMAIL
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```
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And restart the web server:
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``` bash
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systemctl restart nginx
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```
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If you are using the [Caddy web server](https://caddyserver.com) then see *caddy.example.conf*
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## Running Static Analysis
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Static analysis can be run with:
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``` bash
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./static_analysis
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```
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## Running a security audit
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To run a security audit:
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``` bash
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./security_audit
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```
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Note that not all of the issues identified will necessarily be relevant to this project.
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## Installing on Onion or i2p domains
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If you don't have access to the clearnet, or prefer not to use it, then it's possible to run an Epicyon instance easily from your laptop. There are scripts within the ```deploy``` directory which can be used to install an instance on a Debian or Arch/Parabola operating system. With some modification of package names they could be also used with other distros.
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Please be aware that such installations will not federate with ordinary fediverse instances on the clearnet, unless those instances have been specially modified to do so. But onion instances will federate with other onion instances and i2p instances with other i2p instances.
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## Custom Fonts
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If you want to use a particular font then copy it into the *fonts* directory, rename it as *custom.ttf/woff/woff2/otf* and then restart the epicyon daemon.
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``` bash
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systemctl restart epicyon
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```
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## Custom Favicon
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If you want to use your own favicon then copy your `favicon.ico` file to the base directory where you installed Epicyon.
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## Adding Themes
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If you want to add a new theme then open `theme.py` and add the theme name to the list within `getThemesList`. Add a function with the name `setTheme[YourThemeName]`. Have a look at the other themes to get an idea of how to set the colors and fonts.
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Add the name of your theme to the translations files.
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Within the `img` directory add a default profile background image called `image_[YourThemeName].png` and a banner image `banner_[YourThemeName].png`. Because the banner image will be reloaded occasionally it should be small - preferably kilobytes rather than megabytes.
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On a running instance you can experiment with colors or fonts by editing `epicyon.css` and then reloading the web page. Once you are happy with the results then you can update the changed values within your `setTheme` function.
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## Running Unit Tests
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To run the unit tests:
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``` bash
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python3 epicyon.py --tests
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```
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To run the network tests. These simulate instances exchanging messages.
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``` bash
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python3 epicyon.py --testsnetwork
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```
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