#!/usr/bin/env bash
set -e

# Требуются root-права

# Запретить входящие ICMP echo-request (ping) IPv4
iptables -A INPUT -p icmp --icmp-type echo-request -j DROP  # [web:6][web:9]

# Если используешь IPv6, можно дополнительно глушануть и его:
ip6tables -A INPUT -p ipv6-icmp --icmpv6-type echo-request -j DROP  # [web:9]

# Чтобы убедиться:
echo "Текущие правила ICMP:"
iptables -L INPUT -n | grep icmp || true
ip6tables -L INPUT -n | grep icmp || true

chmod +x disable_ping.sh && ./disable_ping.sh

sudo apt update && sudo apt upgrade -y && \
sudo apt install -y \
  gpg btop ncdu nload iperf3 mc htop net-tools curl wget tree \
  git vim tmux mtr traceroute dnsutils iproute2 \
  jq lsof rsync unzip zip \
  netcat-openbsd socat \
  bash-completion \
  unattended-upgrades ufw fail2ban && \
sudo dpkg-reconfigure -plow unattended-upgrades && \
sudo apt clean && sudo apt autoremove -y

# UFW
sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow OpenSSH
sudo ufw enable

sudo apt  install  fail2ban -y
sudo bash -c 'cat > /etc/fail2ban/jail.local << "JAIL"
[DEFAULT]
bantime  = 24h
findtime = 10m
maxretry = 3

bantime.increment = true
bantime.factor    = 2
bantime.maxtime   = 4w

banaction         = iptables-multiport
banaction_allports = iptables-allports

ignoreip = 127.0.0.1/8 ::1

[sshd]
enabled  = true
logpath  = %(sshd_log)s
backend  = %(sshd_backend)s
maxretry = 3
bantime  = 48h
findtime = 15m
mode     = aggressive

[sshd-ddos]
enabled  = true
logpath  = %(sshd_log)s
backend  = %(sshd_backend)s
maxretry = 5
bantime  = 24h
findtime = 30s

[recidive]
enabled   = true
logpath   = /var/log/fail2ban.log
maxretry  = 3
bantime   = 4w
findtime  = 7d
banaction = iptables-allports
JAIL
apt-get update
apt-get install -y fail2ban
systemctl enable --now fail2ban
systemctl restart fail2ban
echo "fail2ban настроен и запущен"
'
systemctl enable fail2ban
systemctl restart fail2ban

sudo apt update && sudo apt install -y zsh git fonts-powerline curl && \
sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended && \
sed -i 's/^ZSH_THEME=.*/ZSH_THEME="agnoster"/' ~/.zshrc && \
grep -q "^ZSH_DISABLE_COMPFIX=" ~/.zshrc && sed -i 's/^ZSH_DISABLE_COMPFIX=.*/ZSH_DISABLE_COMPFIX="true"/' ~/.zshrc || echo 'ZSH_DISABLE_COMPFIX="true"' >> ~/.zshrc && \
sed -i 's/^plugins=(.*/plugins=(git sudo zsh-autosuggestions zsh-syntax-highlighting)/' ~/.zshrc && \
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions && \
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting && \
printf "\nalias ll='ls -la'\nalias gs='git status'\nalias d='docker ps --format \"table {{.Names}}\t{{.Status}}\t{{.Ports}}\"'\nalias dcu='docker compose up -d'\nalias dcd='docker compose down'\nalias dl='docker logs'\nalias n='nano'\nalias lzd='lazydocker'\nalias dr='dry'\nalias dcuf='docker compose up -d --force-recreate'\nalias dv='docker ps -a --format \"table {{.Names}}\t{{.Mounts}}\"'\nalias dvc='docker ps -a --format \"{{.Mounts}}\" | tr \",\" \"\n\" | grep -v \"^$\" | sort | uniq'\nalias dvo='comm -23 <(docker volume ls -q | sort) <(docker ps -a --format \"{{.Mounts}}\" | tr \",\" \"\n\" | grep -v \"^$\" | sort | uniq)'\nalias dsp='docker system prune -a --volumes'\nalias ds='docker stats --no-stream'\nalias dcdub='docker compose down && docker compose up --build'\nalias cr_gitlab_repo='/prod/create_repo_and_push.sh'\n" >> ~/.zshrc && \
chsh -s "$(which zsh)"

exec zsh

sudo curl -fsSL https://get.docker.com | sh &&
LATEST=$(curl -sL https://api.github.com/repos/docker/compose/releases/latest | grep '"tag_name":' | cut -d'"' -f4)
DOCKER_CONFIG=${DOCKER_CONFIG:-$HOME/.docker}
mkdir -p $DOCKER_CONFIG/cli-plugins
curl -sSL https://github.com/docker/compose/releases/download/$LATEST/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
chmod +x $DOCKER_CONFIG/cli-plugins/docker-compose
docker compose version

sudo wget https://github.com/bcicen/ctop/releases/download/v0.7.7/ctop-0.7.7-linux-amd64 -O /usr/local/bin/ctop
sudo chmod +x /usr/local/bin/ctop

DIR=/usr/local/bin \
bash -c 'curl -fsSL https://raw.githubusercontent.com/jesseduffield/lazydocker/master/scripts/install_update_linux.sh | bash && echo "alias lzd='\''lazydocker'\''" >> "$HOME/.zshrc"'