getjava

#!/bin/bash
# getjava v1.0
# to get java code from apks instantly
# by broodplank
# 
# Credits: 
# Dex2Jar - Google
# JAD - Pavel Kouznetsov

if [[ ( $1 = "--getdeps" ) || ( $2 = "--getdeps" ) ]]; then
	echo "Installing required dependencies..."
        echo
        sudo apt-get install p7zip unzip wget -y
        wget -P ~ http://www.broodplank.net/files/getjava_dep.zip
        unzip -o ~/getjava_dep.zip -d ~/bin
	rm -f ~/getjava_dep.zip
        echo "Done, please restart the script"
	exit
fi;  


if [[ $2 = "--debug" ]]; then
	export DEBUGPARAM1="-d -v"
	export DEBUGPARAM2="-v"
else
	export DEBUGPARAM1=""
	export DEBUGPARAM2=""
fi;  


if [[ ( $1 = "" ) || ( $1 = "--help" ) || ( $1 = "-help" ) ]]; then
        echo "getjava -- get java from apk or jar instantly"
	echo "usage: getjava [apk/jar path] [options]"
        echo 
        echo "options:"
        echo " --getdeps		Installs all required dependencies automatically"
        echo " --debug		Show additional debugging information"
	echo
	echo "by broodplank"
	exit
else
	DIR=${1%/*}
	FILE=${1##*/}
        EXTENSION=${1##*.}
        OUTDIR="${PWD}/${FILE}_out"
fi;

rm -Rf ${OUTDIR}
rm -Rf ${PWD}/${FILE}_java
mkdir -p ${OUTDIR} 
7za x -yr -o${OUTDIR} ${1} classes.dex
d2j-dex2jar.sh ${DEBUGPARAM1} -os -ts ${OUTDIR}/classes.dex -o ${OUTDIR}/classes_dex2jar.jar
7za x -yr -o${OUTDIR}/out ${OUTDIR}/classes_dex2jar.jar
find -iname '*.class' -execdir jad ${DEBUGPARAM2} -o -r -s .java -d ${OUTDIR}/java -o {} \;
rm ${OUTDIR}/classes.dex ${OUTDIR}/classes_dex2jar.jar 
mv -f ${OUTDIR}/java ${PWD}/${FILE}_java
rm -Rf ${OUTDIR}