#!/usr/bin/env sh

# chromium_widevine.sh v0.2
# Downloads and extracts proprietary Widevine content decryption plugin from
# Google Chrome into your existing Chromium installation to enable use of DRM
# restricted streaming services.

SOURCE='https://dl.google.com/linux/direct'
DEB='google-chrome-stable_current_amd64.deb'
DATA='data.tar.xz'
EXTRACT='opt/google/chrome/WidevineCdm'
TMP="$(mk-tempdir)"

# default install location
TARGET="/usr/lib/chromium/${EXTRACT##*/}"

finish() {
	rm -rv "$TMP"
	echo 'Done.'
	exit
}

trap finish 0 1 2 3 6 15

mkdir -v "$TMP"
if wget "$SOURCE/$DEB" -O "$TMP/$DEB" || exit 1; then
	ar -p "$TMP/$DEB" "$DATA" | xz -d | tar -xv -C "$TMP" "./$EXTRACT"
	sudo rm -rf "$TARGET"
	sudo mv -v "$TMP/$EXTRACT" "$TARGET"
fi