233 lines
6.5 KiB
Markdown
233 lines
6.5 KiB
Markdown
# Ticketfrei social bot
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Ticketfrei is a mastodon/twitter/mail bot to dodge ticket controllers in public
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transport systems.
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The functionality is simple: It retweets every tweet where it is mentioned.
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This leads to a community which evolves around it. If you see ticket
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controllers, tweet their location and mention the bot. The bot then retweets
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your tweet and others can read the info and think twice whether they want to
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buy a ticket or not. If enough people, a critical mass, participate for the bot
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to become reliable, you have positive self-reinforcing dynamics.
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Today, you can use a Twitter, Mastodon, Telegram, and Mail with the account.
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They will communicate with each other; if someone warns others via Mail,
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Telegram, Twitter and Mastodon users will also see the message. And vice versa.
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In version 2, this repository contains a web application. On this website,
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people can register an own bot for their city - the website manages multiple
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bots for multiple citys. This way, you do not have to host it yourself.
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In the promotion folder, you'll find some promotion material you can use to
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build up such a community in your city. Unfortunately it is in german - but
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it's editable, feel free to translate it!
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Website (our flagship instance): https://ticketfrei.links-tech.org
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More information: https://wiki.links-tech.org/IT/Ticketfrei
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## Do you want Ticketfrei in your city?
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Just go to https://ticketfrei.links-tech.org or another website where this software is
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running.
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* Register on the ticketfrei site
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* Optionally: register bots:
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* Register a Twitter account
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* Register a Mastodon account
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* Register a Telegram bot
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* Configure account
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* The hard part: do the promotion! You need a community.
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### Maintaining
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There is one security hole: People could start mentioning the bot with useless
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information, turning it into a spammer. That's why it has to be maintained. If
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someone spams the bot, mute them and undo the retweet. That way, it won't
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retweet their future tweets and the useless retweet is deleted if someone tries
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to check if something was retweeted in the last hour or something.
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To this date, we have never heard of this happening though.
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### Blocklisting
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You also need to edit the goodlist and the blocklist. You can do this on the
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website, in the settings of your bot.
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Just add the words to the goodlist, which you want to require. A report is only
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spread if it contains at least one of them. If you want to RT everything, just
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add a ```*```.
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There is also a blocklist, which you can use to automatically sort out
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malicious messages. Be careful though, our filter can't read the intention with
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which a word was used. Maybe you wanted it there.
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## Do you want to offer a Ticketfrei website to others?
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If you want to offer this website to others, feel free to do so. If you have questions, just open
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a GitHub issue or write to tech@lists.links-tech.org, we are happy to help and share best practices.
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We wrote these installation notes, so you can set up the website easily:
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### Install from the git repository
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This guide assumes you are on a Debian 9 Server:
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```shell
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sudo apt install python3 virtualenv uwsgi uwsgi-plugin-python3 nginx git exim4
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cd /srv
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sudo git clone https://github.com/b3yond/ticketfrei
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cd ticketfrei
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```
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Install the necessary packages, create and activate virtualenv:
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```shell
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virtualenv -p python3 .
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. bin/activate
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```
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Install the dependencies:
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```shell
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pip install tweepy pytoml Mastodon.py bottle pyjwt pylibscrypt Markdown twx
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```
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Configure the bot:
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```shell
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cp config.toml.example config.toml
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vim config.toml
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```
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This configuration is only for the admin. Moderators can log into
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twitter/mastodon/mail and configure their personal bot on the settings page.
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Set up LetsEncrypt:
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```shell
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sudo apt-get install python-certbot-nginx -t stretch-backports
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sudo certbot --authenticator webroot --installer nginx --agree-tos --redirect --hsts
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```
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Configure exim4 for using mbox files.
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```
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sudo dpkg-reconfigure exim4-config
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# Choose the following values:
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# internet site; mail is sent and received directly using SMTP
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# your domain name
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#
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# your domain name
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#
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#
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# No
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# mbox format in /var/mail/
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# No
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```
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Deploy ticketfrei with uwsgi:
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```shell
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echo "Enter your domain name into the following prompt:" && read DOMAIN
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# configure nginx
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sudo sed -r "s/example.org/$DOMAIN/g" deployment/example.org.conf > /etc/nginx/sites-enabled/$DOMAIN.conf
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# create folder for socket & database
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sudo mkdir /var/ticketfrei
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sudo chown www-data:www-data -R /var/ticketfrei
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# change /etc/aliases permissions to be able to receive reports per mail
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sudo chown root:www-data /etc/aliases
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sudo chmod 664 /etc/aliases
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# create folder for logs
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sudo mkdir /var/log/ticketfrei
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sudo chown www-data:www-data -R /var/log/ticketfrei
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# start up nginx
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sudo service nginx restart
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# create and start the frontend systemd service
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sudo cp deployment/ticketfrei-web.service /etc/systemd/system/
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sudo systemctl daemon-reload
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sudo systemctl start ticketfrei-web.service
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# create and start the backend systemd service
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sudo cp deployment/ticketfrei-backend.service /etc/systemd/system
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sudo systemctl daemon-reload
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sudo systemctl start ticketfrei-backend.service
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```
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### Logs
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There are several logfiles which you can look at:
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```
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# for the uwsgi deployment:
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less /var/log/ticketfrei/uwsgi.log
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# for the backend:
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less /var/log/ticketfrei/backend.log
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# for the systemd service:
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less /var/log/syslog
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# for the nginx web server:
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less /var/log/nginx/example.org_error.log
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# for the mail server
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less /var/log/exim4/mainlog
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```
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### Development Install
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If you want to install it locally to develop on it, note that twitter and mail
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will probably not work. You should test them on a server instead.
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```shell
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sudo apt install python3 virtualenv uwsgi uwsgi-plugin-python3 nginx git
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sudo git clone https://github.com/b3yond/ticketfrei
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cd ticketfrei
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git checkout multi-deployment
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```
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Install the necessary packages, create and activate virtualenv:
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```shell
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virtualenv -p python3 .
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. bin/activate
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```
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Install the dependencies:
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```shell
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pip install tweepy pytoml Mastodon.py bottle pyjwt pylibscrypt Markdown twx
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```
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Configure the bot:
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```shell
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cp config.toml.example config.toml
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vim config.toml
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```
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This configuration is only for the admin. Users can log into
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twitter/mastodon/mail and configure their personal bot on the settings page.
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```shell
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# create folder for socket & database
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sudo mkdir /var/ticketfrei
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sudo chown $USER:$USER -R /var/ticketfrei
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# create folder for logs
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sudo mkdir /var/log/ticketfrei
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sudo chown $USER:$USER -R /var/log/ticketfrei
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# start Ticketfrei
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./frontend.py & ./backend.py &
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```
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