#!/bin/bash -eu
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################

find $SRC/spring* -name *.dict -o -name *zip -exec cp {} $OUT/ \;

export JAVA_HOME="$OUT/open-jdk-17"
mkdir -p $JAVA_HOME
rsync -aL --exclude=*.zip "/usr/lib/jvm/java-17-openjdk-amd64/" "$JAVA_HOME"

CURRENT_VERSION=$(./gradlew properties --console=plain | sed -nr "s/^version:\ (.*)/\1/p")

ALL_JARS="";

function install_shadowJar {
	./gradlew shadowJar --build-file spring-$1/spring-$1.gradle -x javadoc -x test
	install -v "spring-$1/build/libs/spring-$1-${CURRENT_VERSION}-all.jar" "$OUT/spring-$1.jar";
	ALL_JARS="${ALL_JARS} spring-$1.jar";
}

install_shadowJar context;
install_shadowJar core;
install_shadowJar jdbc;
install_shadowJar orm;
install_shadowJar web;
install_shadowJar webmvc;
install_shadowJar test;
install_shadowJar tx;
install_shadowJar messaging;

# The classpath at build-time includes the project jars in $OUT as well as the
# Jazzer API.
BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH:$SRC

# All .jar and .class files lie in the same directory as the fuzzer at runtime.
RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir

function create_fuzz_targets() {
    mkdir -p $SRC/$1
    mkdir -p $OUT/$1
    javac -cp $BUILD_CLASSPATH $SRC/$1/*.java --release 17

    for fuzzer in $SRC/$1/*Fuzzer.java; do
        fuzzer_basename=$(basename -s .java $fuzzer)

        # Create an execution wrapper that executes Jazzer with the correct arguments.
        echo "#!/bin/sh
        # LLVMFuzzerTestOneInput for fuzzer detection.
        this_dir=\$(dirname \"\$0\")
        JAVA_HOME=\"\$this_dir/open-jdk-17/\" \
        LD_LIBRARY_PATH=\"\$this_dir/open-jdk-17/lib/server\":\$this_dir \
        \$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
        --cp=$RUNTIME_CLASSPATH \
        --target_class=$fuzzer_basename \
        --instrumentation_excludes=org.aspectj.weaver.** \
        --jvm_args=\"-Xmx2048m\" \
        \$@" > $OUT/$fuzzer_basename
        chmod u+x $OUT/$fuzzer_basename
    done

    cp $SRC/$1/*.class $OUT/
}

create_fuzz_targets spring-aop
create_fuzz_targets spring-beans
create_fuzz_targets spring-context
create_fuzz_targets spring-expression
create_fuzz_targets spring-tx
create_fuzz_targets spring-web
create_fuzz_targets spring-jdbc
create_fuzz_targets spring-messaging

cp $SRC/spring-jdbc/*.xml $OUT/spring-jdbc/