build_crack_jar.sh

#!/bin/bash
v=( ${VERSION//./ } )
branch="${v[0]}.${v[1]}"
version="${v[0]}.${v[1]}.${v[2]}"

echo "Runtime environment"
echo -e "branch: \t\t$branch"
echo -e "version: \t\t$version"
echo -e "http_proxy: \t\t$HTTP_PROXY"
echo -e "https_proxy: \t\t$HTTPS_PROXY"


# Download source code
curl -o LicenseVerifier.java -s https://raw.githubusercontent.com/elastic/elasticsearch/$branch/x-pack/plugin/core/src/main/java/org/elasticsearch/license/LicenseVerifier.java
curl -o XPackBuild.java -s https://raw.githubusercontent.com/elastic/elasticsearch/$branch/x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackBuild.java

# Edit LicenseVerifier.java
sed -i '/.*PublicKey PUBLIC_KEY.*/i END\nCODE' LicenseVerifier.java
sed -i '/.*signedContent = null.*/i BEG' LicenseVerifier.java
sed -i '/BEG/,/END/d' LicenseVerifier.java
sed -i 's/CODE/            return true;\n    }\n/g' LicenseVerifier.java

# Edit XPackBuild.java
sed -i 's/path.toString().endsWith(".jar")/false/g' XPackBuild.java

# Build calss file
javac -cp "/usr/share/elasticsearch/lib/*:/usr/share/elasticsearch/modules/x-pack-core/*" LicenseVerifier.java
javac -cp "/usr/share/elasticsearch/lib/*:/usr/share/elasticsearch/modules/x-pack-core/*" XPackBuild.java

# Build jar file
cp /usr/share/elasticsearch/modules/x-pack-core/x-pack-core-$version.jar x-pack-core-$version.jar
unzip x-pack-core-$version.jar -d ./x-pack-core-$version
cp LicenseVerifier.class ./x-pack-core-$version/org/elasticsearch/license/
cp XPackBuild.class ./x-pack-core-$version/org/elasticsearch/xpack/core/
jar -cvf x-pack-core-$version.crack.jar -C x-pack-core-$version/ .
rm -rf x-pack-core-$version

# Copy output
cp LicenseVerifier.* ./output
cp XPackBuild.* ./output
cp x-pack-core* ./output