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BlackDotsGameBot

This Telegram bot provides some simple games with notes. These small black dots, you know.

How to run

  • set BLACK_DOTS_GAME_BOT_CREATOR_ID environment variable to your Telegram ID
  • set BLACK_DOTS_GAME_BOT_TOKEN environment variable to the token value generated by BotFather
  • set BLACK_DOTS_GAME_BOT_BASE_URL environment variable to the base URL of the game
  • generate PKCS12 keystore with a certificate or convert PEM files generated by Let's Encrypt Certbot using 
    openssl pkcs12 -export -in fullchain.pem \
               -inkey privkey.pem \
               -out keystore.p12 \
               -name <BLACK_DOTS_GAME_BOT_KEY_ALIAS> \
               -CAfile chain.pem \
               -caname root
    Set keystore password when requested.
  • set BLACK_DOTS_GAME_BOT_KEYSTORE environment variable to the PKCS12 keystore path.
  • set BLACK_DOTS_GAME_BOT_KEYSTORE_PASSWORD environment variable to the keystore password.
  • set BLACK_DOTS_GAME_BOT_KEY_ALIAS to the key alias.
  • build: 
    mvn clean package
    Output is in the target folder.
  • run:
    • locally for development: 
      java -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005 -jar -Dspring.profiles.active=local black-dots-game-bot-1.0.0.war
      Open browser at https://localhost:7443/index.html
    • on prod env: 
      sudo java -jar -Dspring.profiles.active=prod black-dots-game-bot-1.0.0.war &

How to renew Let's Encrypt certificate

TODO - automate (using certbot-renew.timer?)

  • get new certificate 
    sudo systemctl start certbot-renew
  • stop application (kill java process)
  • login as root (or use full paths for files) and update PKCS12 keystore: 
    openssl pkcs12 -export -in fullchain.pem \
               -inkey privkey.pem \
               -out keystore.p12 \
               -name <BLACK_DOTS_GAME_BOT_KEY_ALIAS> \
               -CAfile chain.pem \
               -caname root
  • start application 
    sudo java -jar -Dspring.profiles.active=prod black-dots-game-bot-1.0.0.war &