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feat(installer): add hashsum checking

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This commit is contained in:
knoflook 2021-10-26 12:28:56 +02:00
parent 5d59d12d75
commit 71225d2099
Signed by untrusted user: knoflook
GPG Key ID: D6A1D0E8FC4FEF1C
1 changed files with 25 additions and 2 deletions
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27
scripts/installer/installer
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@ -18,6 +18,13 @@ function show_banner {
echo ""
}
function print_checksum_error {
echo "$(tput setaf 1)ERROR: the checksum of downloaded file doesn't match the checksum in release!!! Either the file was corrupted during download or the file has been changed during transport!$(tput sgr0)"
echo "expected checksum: $checksum"
echo "checksum of downloaded file: $localsum"
echo "abra was NOT installed/upgraded"
}
function install_abra_release {
mkdir -p "$HOME/.local/bin"
@ -32,11 +39,27 @@ function install_abra_release {
PLATFORM=$(uname -s | tr '[:upper:]' '[:lower:]')_$(uname -m)
FILENAME="abra_"$ABRA_VERSION"_"$PLATFORM""
sed_command_rel='s/.*"assets":\[\{[^]]*"name":"'$FILENAME'"[^}]*"browser_download_url":"([^"]*)".*\].*/\1/p'
release_url=$(curl -s $ABRA_RELEASE_URL | sed -En $sed_command_rel)
sed_command_checksums='s/.*"assets":\[\{[^\]*"name":"checksums.txt"[^}]*"browser_download_url":"([^"]*)".*\].*/\1/p'
json=$(curl -s $ABRA_RELEASE_URL)
release_url=$(echo $json | sed -En $sed_command_rel)
checksums_url=$(echo $json | sed -En $sed_command_checksums)
checksums=$(curl -s $checksums_url)
checksum=$(echo "$checksums" | grep "$FILENAME" - | sed -En 's/([0-9a-f]{64})\s+'"$FILENAME"'.*/\1/p')
echo "downloading $ABRA_VERSION $PLATFORM binary release for abra..."
curl --progress-bar "$release_url" --output "$HOME/.local/bin/abra"
curl --progress-bar "$release_url" --output "$HOME/.local/bin/.abra-download"
localsum=$(sha256sum $HOME/.local/bin/.abra-download | sed -En 's/([0-9a-f]{64})\s+.*/\1/p')
echo "checking if checksums match..."
if [[ "$localsum" != "$checksum" ]]; then
print_checksum_error
exit 1
fi
echo "$(tput setaf 2)check successful!$(tput sgr0)"
mv "$HOME/.local/bin/.abra-download" "$HOME/.local/bin/abra"
chmod +x "$HOME/.local/bin/abra"
x=$(echo $PATH | grep $HOME/.local/bin)
if [ $? -ne 0 ]; then
echo "$(tput setaf 3)WARNING: $HOME/.local/bin/ is not in \$PATH! If you want to run abra by just typing "abra" you should add it to your \$PATH! To do that run:$(tput sgr0)"