#!/bin/bash

# Download the Mullvad VPN client and its PGP signature
wget https://mullvad.net/en/download/app/deb/latest -O mullvad-vpn-linux-latest.deb
wget https://mullvad.net/en/download/app/deb/latest/signature -O mullvad-vpn-linux-latest.deb.sig

# Import Mullvad PGP key
wget https://mullvad.net/media/mullvad-code-signing.asc
gpg --import mullvad-code-signing.asc

# Verify PGP signature
gpg --verify mullvad-vpn-linux-latest.deb.sig mullvad-vpn-linux-latest.deb

# Check the signature verification result
if [ $? -eq 0 ]; then
    echo "PGP signature is verified successfully."
else
    echo "PGP signature verification failed. Exiting..."
    exit 1
fi

# Install Mullvad VPN client
sudo dpkg -i mullvad-vpn-linux-latest.deb
sudo apt-get install -f -y

# Start the Mullvad VPN client
sudo systemctl start mullvad-daemon

# Enable the Mullvad VPN client to start on boot
sudo systemctl enable mullvad-daemon

# Display the status of the Mullvad VPN connection
sudo mullvad status

echo "Mullvad VPN has been installed, PGP signature verified, and started successfully."

# Delete the downloaded .deb and .sig files
rm mullvad-code-signing.asc mullvad-vpn-linux-latest.deb mullvad-vpn-linux-latest.deb.sig

echo "Downloaded .deb and .sig files have been deleted."

# Start Mullvad-VPN and close terminal
nohup /opt/Mullvad\ VPN/mullvad-gui &
exit