#!/bin/bash
#
# Library: $HOME/devs/bin/lib/bootstrap.lib
# Modified: 2024/11/30 15:27:00
# Derechos de Autor (C) [2024] [Mauro Rosero P. <mauro@roser.one>]
#
# Este programa es software libre: usted puede redistribuirlo y/o modificarlo
# bajo los términos de la Licencia Pública Affero General de GNU tal como
# lo publica la Free Software Foundation, ya sea la versión 3 de la licencia,
# o (a su elección) cualquier versión posterior.
#
# Este programa se distribuye con la esperanza de que sea útil,
# pero SIN NINGUNA GARANTÍA; sin siquiera la garantía implícita de
# COMERCIABILIDAD o IDONEIDAD PARA UN PROPÓSITO PARTICULAR. Consulte la
# Licencia Pública Affero General de GNU para obtener más detalles.
#
# Debería haber recibido una copia de la Licencia Pública Affero General
# junto con este programa. Si no la recibió, consulte <https://www.gnu.org/licenses/>.


SOPS_VERSION=3.9.2
PRITUNL_SIGN=7568D9BB55FF9E5287D586017AE645C0CF8E292A
UBUNTU_LIST=("jammy"  "noble" "oracular")

# Install pritunl vpn package
function install_pritunl() {

  if [ "$(uname)" == "Darwin" ]; then
      # En macOS, instalamos o actualizamos Python a través de Homebrew
      brew install git go node
      bash <(curl -s https://raw.githubusercontent.com/pritunl/pritunl-client-electron/master/tools/install_macos.sh)
      return $?
  fi

  OS_INFO=$(lsb_release -a 2>/dev/null)
  if [ $? -eq 0 ]; then
     OS_VERSION=$(echo "$OS_INFO" | grep "Codename" | awk '{print $2}' | tr -d ' ')
  else
    OS_INFO=$(cat /etc/os-release 2>/dev/null)
    OS_VERSION=$(echo "$OS_INFO" | grep "VERSION_CODENAME" | awk -F ': +' '{print $2}')
  fi

  if echo "$OS_INFO" | grep -q "Ubuntu"; then
    if printf "%s\n" "${UBUNTU_LIST[@]}" | grep -q "^${OS_VERSION}$"
    then
      echo "deb https://repo.pritunl.com/stable/apt $OS_VERSION main" > /etc/apt/sources.list.d/pritunl.list
      gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys $PRITUNL_SIGN
      gpg --armor --export $PRITUNL_SIGN | tee /etc/apt/trusted.gpg.d/pritunl.asc
      apt update
      apt install pritunl-client-electron -y
      local rc=$?
      if [ rc -eq 0 ]; then
        systemctl daemon-reload
        rc=$?
      fi
      return $rc
    fi
  fi

  return 10

}

# Install python3 package
function python3_install() {

  echo "${pymsg_001}"
  if [ "$(uname)" == "Darwin" ]; then
      # En macOS, instalamos o actualizamos Python a través de Homebrew
      /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
      brew install python python-pip
  elif [ -f /etc/debian_version ] || [ -f /etc/os-release ]; then
      # En sistemas Debian y derivados, instalamos o actualizamos Python a través de apt
      apt update
      apt install -y python3 python3-pip
  elif [ -f /etc/redhat-release ]; then
      # En sistemas Red Hat, instalamos o actualizamos Python a través de yum
      dnf install -y python3 python3-pip
  elif [ -f /etc/arch-release ]; then
      # En Arch Linux, instalamos o actualizamos Python a través de pacman
      pacman -Sy --noconfirm python
  elif [ -f /etc/rc.conf ]; then
      # En BSD, instalamos o actualizamos Python a través de pkg
      pkg install -y python3 python3-pip
  else
      echo "${os_nofound}"
      exit 1
  fi
  echo "${pymsg_003}"

}

# Install mozilla sops package on os system supported
function sops_install() {

  echo "${bomsg_006}"
  if [ "$(uname)" == "Darwin" ]; then
    # En macOS, instalamos o actualizamos Python a través de Homebrew
    brew install sops
    return $?
  fi

  # Get architecture info
  cd /tmp
  local arch=$(uname -m)

  case $arch in
    x86_64)
      # Download the binary
      curl -LO https://github.com/getsops/sops/releases/download/v$SOPS_VERSION/sops-v$SOPS_VERSION.linux.amd64
      if [ $? -eq 0 ]; then
        # Move the binary in to your PATH
        mv sops-v$SOPS_VERSION.linux.amd64 /usr/local/bin/sops
        if [ $? -eq 0 ]; then
          # Make the binary executable
          chmod a+x /usr/local/bin/sops
        else
          return 1
        fi
      else
        return 1
      fi
      ;;
    arm*)
      # Download the binary
      curl -LO https://github.com/getsops/sops/releases/download/v$SOPS_VERSION/sops-v$SOPS_VERSION.linux.arm64
      if [ $? -eq 0 ]; then
        # Move the binary in to your PATH
        mv sops-v$SOPS_VERSION.linux.arm64 /usr/local/bin/sops
        if [ $? -eq 0 ]; then
          # Make the binary executable
          chmod a+x /usr/local/bin/sops
        else
          return 1
        fi
      else
        return 1
      fi
      ;;
    *)
      echo "$bomsg_005 $arch"
      return 2
      ;;
  esac

  echo "${bomsg_007}"
  return 0

}

# Install podman package
function podman_install() {

    echo "${pdmsg_001}"
    if [ "$(uname)" == "Darwin" ]; then
        # En macOS, instalamos o actualizamos Python a través de Homebrew
        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
        brew tap containers/podman
        brew install podman
    elif [ -f /etc/debian_version ] || [ -f /etc/os-release ]; then
        # En sistemas Debian y derivados, instalamos o actualizamos Python a través de apt
        apt update
        apt install -y podman podman-compose
    elif [ -f /etc/redhat-release ]; then
        # En sistemas Red Hat, instalamos o actualizamos Python a través de dnf
        dnf install -y epel-release
        dnf install -y podman podman-compose
    elif [ -f /etc/arch-release ]; then
        # En Arch Linux, instalamos o actualizamos Python a través de pacman
        pacman -Sy --noconfirm podman podman-compose fuse-overlayfs
    elif [ -f /etc/rc.conf ]; then
        # En BSD, instalamos o actualizamos Python a través de pkg
        pkg install -y podman-suite
    else
        echo "${os_nofound}"
        exit 1
    fi
    echo "${pdmsg_003}"

}


# Set how unprivileged port 53 (dns)
function unprivileged_port53() {

    local sysctlfile=/etc/sysctl.conf
    local line="net.ipv4.ip_unprivileged_port_start=53"

    if [[ ! -f $sysctlfile ]]; then
        return 1
    fi

    if ! grep -q "$line" "$sysctlfile"; then
        echo "$line" >> $sysctlfile
    fi

    sysctl -p
    return $?

}