Created
December 4, 2020 20:09
-
-
Save vyn20/e025024ecffa45ee4325a3915fd8dad1 to your computer and use it in GitHub Desktop.
A script that fetches a ChromeOS image for ARM32 and extracts the Widevine and Flash
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/sh -eu | |
# Make sure we have wget or curl | |
available () { | |
command -v "$1" >/dev/null 2>&1 | |
} | |
if available wget; then | |
DL="wget -O-" | |
DL_SL="wget -qO-" | |
elif available curl; then | |
DL="curl -L" | |
DL_SL="curl -s" | |
else | |
echo "Install Wget or cURL" >&2 | |
exit 1 | |
fi | |
# Find a URL to a suitable armhf ChromeOS recovery image | |
CHROMEOS_URL="$($DL_SL https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf | grep -A11 CB5-312T | sed -n 's/^url=//p')" | |
CHROMEOS_IMG="$(basename "$CHROMEOS_URL" .zip)" | |
if [ -e "$CHROMEOS_IMG" ]; then | |
CHROMEOS_IMG_PATH="./" | |
DEL_IMG=N | |
else | |
CHROMEOS_IMG_PATH="$(mktemp -d ChromeOS-IMG.XXXXXX)" | |
DEL_IMG=Y | |
# Fetch the recovery image (2Gb+ on disk after download) | |
$DL "$CHROMEOS_URL" | zcat > "$CHROMEOS_IMG_PATH/$CHROMEOS_IMG" | |
fi | |
# Note the next free loop device in a variable | |
LOOPD="$(losetup -f)" | |
# If root, we can mount silently (no popup windows after mount) | |
if [ "$USER" = "root" ]; then | |
MNTPNT="$(mktemp -d ChromeOS.XXXXXX)" | |
losetup -Pf "$CHROMEOS_IMG_PATH/$CHROMEOS_IMG" | |
mount -o ro "${LOOPD}p3" "$MNTPNT" | |
else | |
# Associate all the partitions on the disk image with loop devices: | |
udisksctl loop-setup -rf "$CHROMEOS_IMG_PATH/$CHROMEOS_IMG" | |
sleep 1 | |
# Mount the third partition of the disk image (if the previous did not do it automatically) | |
if ! lsblk -lo MOUNTPOINT "${LOOPD}p3" | tail -n1 | grep -q \.; then | |
udisksctl mount -b "${LOOPD}p3" | |
fi | |
# Note the mount point in a variable | |
MNTPNT="$(lsblk -lo MOUNTPOINT "${LOOPD}p3" | tail -n1)" | |
fi | |
# Copy over files and make manifest | |
CHRFILES="$(mktemp -d ChromeOS_Files.XXXXXX)" | |
install -Dm644 "$MNTPNT"/opt/google/chrome/pepper/libpepflashplayer.so "$CHRFILES"/opt/google/chrome/PepperFlash/libpepflashplayer.so | |
install -Dm644 "$MNTPNT"/opt/google/chrome/libwidevinecdm.so "$CHRFILES"/opt/WidevineCdm/_platform_specific/linux_arm/libwidevinecdm.so | |
WVVER="$(grep -Eaom1 '([0-9]+\.){3}[0-9]+' "$CHRFILES"/opt/WidevineCdm/_platform_specific/linux_arm/libwidevinecdm.so)" | |
WVMGR="$(echo $WVVER | cut -d. -f1)" | |
WVMIN="$(echo $WVVER | cut -d. -f2)" | |
echo "{\"version\":\"$WVVER\",\"x-cdm-codecs\":\"vp8,vp9.0,avc1,av01\",\"x-cdm-host-versions\":\"$WVMIN\",\"x-cdm-interface-versions\":\"$WVMIN\",\"x-cdm-module-versions\":\"$WVMGR\"}" > "$CHRFILES"/opt/WidevineCdm/manifest.json | |
# Extract the libs out and copy them to a compressed tar archive | |
ARCHIVE_NAME="widevine-flash-$(date '+%Y%m%d')_armhf.tgz" | |
echo "Extracting and compressing files" | |
tar -C"$CHRFILES" -caf "$ARCHIVE_NAME" opt/WidevineCdm/manifest.json opt/WidevineCdm/_platform_specific/linux_arm/libwidevinecdm.so opt/google/chrome/PepperFlash/libpepflashplayer.so --format ustar --owner 0 --group 0 | |
rm -r "$CHRFILES" | |
echo "Created: $ARCHIVE_NAME" | |
# Cleanup | |
if [ "$USER" = "root" ]; then | |
umount "$MNTPNT" | |
losetup -d "$LOOPD" | |
rmdir "$MNTPNT" | |
else | |
ALLMNTS="$(lsblk -lo NAME,MOUNTPOINT "$LOOPD" | sed -n '/\//s/^\(loop[0-9]\+p[0-9]\+\).*/\1/p')" | |
echo "$ALLMNTS" | xargs -I{} -n1 udisksctl unmount -b /dev/{} | |
if [ "$LOOPD" != "$(losetup -f)" ]; then | |
udisksctl loop-delete -b "$LOOPD" | |
fi | |
fi | |
if [ "$DEL_IMG" = "N" ] || [ "${1:-EMPTY}" = "-k" ]; then | |
: | |
else | |
rm "$CHROMEOS_IMG_PATH/$CHROMEOS_IMG" | |
rmdir -v "$CHROMEOS_IMG_PATH" | |
fi | |
# Inform the user how to proceed | |
cat <<EOF | |
To install the contents of these files on an ARMhf device, copy the tar archive over to the target machine and issue the following: | |
sudo tar Cfx / $ARCHIVE_NAME | |
After install of these libraries, issue the following two commands and restart Vivaldi: | |
mkdir -p ~/.config/vivaldi/WidevineCdm | |
echo '{"Path":"/opt/WidevineCdm"}' > ~/.config/vivaldi/WidevineCdm/latest-component-updated-widevine-cdm | |
EOF |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment