#!/bin/bash

set -xue

file=$(
    curl 'https://www.torproject.org/download/download-easy.html.en' \
    | egrep -o 'tor-browser-linux64-[0-9.]+_en-US.tar.xz' \
    | head -1
)
version=$(echo "$file" | egrep -o '[0-9.]{3,}')
url="https://www.torproject.org/dist/torbrowser/${version}/${file}"
sigfile="${file}.asc"
sigurl="https://www.torproject.org/dist/torbrowser/${version}/${sigfile}"

curl -L -o "/tmp/${file}" "$url"
curl -L -o "/tmp/${sigfile}" "$sigurl"

gpg --keyserver pool.sks-keyservers.net --recv-keys 0xEF6E286DDA85EA2A4BA7DE684E2C6E8793298290
gpg --verify "/tmp/${sigfile}"

tar -C "$HOME" -xf "/tmp/${file}"