#!/usr/bin/env bash

APKTOOL_VERSION="2.4.1"

BCV_VERSION="2.9.22"

JADX_VERSION="1.1.0"

RACCOON_VERSION="4.15.0"

SIGNER_VERSION="1.1.0"

#

# start initialization

#

DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

set -e

#

# download Apktool

# https://ibotpeaches.github.io/Apktool/

#

APKTOOL="${DIR}/utils/apktool-${APKTOOL_VERSION}.jar"

if [ -f "${APKTOOL}" ]; then

echo "Apktool ${APKTOOL_VERSION} is already available..."

else

echo "Downloading Apktool ${APKTOOL_VERSION}..."

wget -O "${APKTOOL}" "https://bitbucket.org/iBotPeaches/apktool/downloads/apktool_${APKTOOL_VERSION}.jar"

cd "${DIR}/utils"

rm -f "apktool.jar"

ln -s "$(basename "${APKTOOL}")" "apktool.jar"

fi

#

# download Bytecode Viewer

# https://bytecodeviewer.com/

#

BCV="${DIR}/utils/bcv-${BCV_VERSION}.jar"

if [ -f "${BCV}" ]; then

echo "Bytecode Viewer ${BCV_VERSION} is already available..."

else

echo "Downloading Bytecode Viewer ${BCV_VERSION}..."

wget -O "${BCV}" "https://github.com/Konloch/bytecode-viewer/releases/download/v${BCV_VERSION}/Bytecode-Viewer-${BCV_VERSION}.jar"

cd "${DIR}/utils"

rm -f "bcv.jar"

ln -s "$(basename "${BCV}")" "bcv.jar"

fi

#

# download JADX

# https://github.com/skylot/jadx

#

JADX_DIR="${DIR}/utils/jadx-${JADX_VERSION}"

JADX_ZIP="${DIR}/utils/jadx-${JADX_VERSION}.zip"

if [ -d "${JADX_DIR}" ]; then

echo "JADX ${JADX_VERSION} is already available..."

else

echo "Downloading JADX ${JADX_VERSION}..."

wget -O "${JADX_ZIP}" "https://github.com/skylot/jadx/releases/download/v${JADX_VERSION}/jadx-${JADX_VERSION}.zip"

mkdir -p "${JADX_DIR}"

cd "${JADX_DIR}"

unzip -q "${JADX_ZIP}"

rm -f "${JADX_ZIP}"

cd "${DIR}/utils"

rm -f "jadx"

ln -s "$(basename "${JADX_DIR}")" "jadx"

fi

#

# download Raccoon

# http://java-decompiler.github.io/

#

RACCOON="${DIR}/utils/raccoon-${RACCOON_VERSION}.jar"

if [ -f "${RACCOON}" ]; then

echo "Raccoon ${RACCOON_VERSION} is already available..."

else

echo "Downloading Raccoon ${RACCOON_VERSION}..."

wget -O "${RACCOON}" "https://raccoon.onyxbits.de/apk-downloader/raccoon-${RACCOON_VERSION}.jar"

cd "${DIR}/utils"

rm -f "raccoon.jar"

ln -s "$(basename "${RACCOON}")" "raccoon.jar"

fi

#

# download Uber Apk Signer

# https://github.com/patrickfav/uber-apk-signer

#

SIGNER="${DIR}/utils/uber-apk-signer-${SIGNER_VERSION}.jar"

if [ -f "${SIGNER}" ]; then

echo "Uber Apk Signer ${SIGNER_VERSION} is already available..."

else

echo "Downloading Uber Apk Signer ${SIGNER_VERSION}..."

wget -O "${SIGNER}" "https://github.com/patrickfav/uber-apk-signer/releases/download/v1.1.0/uber-apk-signer-1.1.0.jar"

cd "${DIR}/utils"

rm -f "uber-apk-signer.jar"

ln -s "$(basename "${SIGNER}")" "uber-apk-signer.jar"

fi

#

# generate Keystore

#

KEYSTORE="${DIR}/keystore.jks"

if [ -f "${KEYSTORE}" ]; then

echo "Keystore is already available..."

else

echo "Generating Keystore..."

keytool -genkey -v -keystore "${KEYSTORE}" -keyalg RSA -keysize 4096 -validity 10000 -alias app -storepass "dexcom1234" -noprompt

fi