302 lines
8.3 KiB
Bash
302 lines
8.3 KiB
Bash
#!/bin/bash
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# confuseAndBuild.sh
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# ConfuseSwift
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#
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# ⚠️声明
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# 1. 请将该脚本放在Xcode的Project工程的根目录。
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# 2. 当前版本未配置完整Xcode环境变量，仅支持混淆功能，不支持framework编译，若需编译请用Xcode运行该脚本。
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# ⚠️教程
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# https://www.jianshu.com/p/be751f780d94
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# 直接在终端cd到confuseAndBuild.sh上一层目录，然后运行./confuseAndBuild.sh -c 即可
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if [ -z "$PROJECT_NAME" ]; then
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CONFUSE_DIR="."
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else
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CONFUSE_DIR="${SRCROOT}/${PROJECT_NAME}"
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fi
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# ⚠️自己配置自己的前缀
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CONFUSE_PREFIX="hunxiao_"
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BACKUP_FILE=".backup.log"
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SYMBOL_FILE=".symbol.log"
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CONFUSE_FILE=".confuse.log"
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CONFUSE_FLAG=".confuseFlag"
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SOURCE_ARRAY=( "*.swift"
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"*.m"
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"*.h"
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"*.c"
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"*.cpp")
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BACKUP_EXTENSION=".bak"
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# 格式：echo -e "\033[背景色;前景色m 打印的字符串 \033[0m"
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# 颜色：重置=0，黑色=30，红色=31，绿色=32，黄色=33，蓝色=34，洋红=35，青色=36，白色=37。
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# 示例：echo -e “\033[30m 我是黑色字 \033[0m”
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# 参考：https://www.cnblogs.com/xiansong1005/p/7221316.html
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# https://www.cnblogs.com/lr-ting/archive/2013/02/28/2936792.html
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info() {
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local green="\033[1;32m"
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local normal="\033[0m"
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echo -e "[${green}info${normal}] $1"
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}
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error() {
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local red="\033[1;31m"
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local normal="\033[0m"
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echo -e "[${red}error${normal}] $1"
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}
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# 生成随机字符串 16字
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randomString() {
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random_string=$(openssl rand -base64 64 | tr -cd 'a-zA-Z' | head -c 8)
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prefixed_string="water_$random_string"
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echo "$prefixed_string"
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}
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# 获取符号的随机字符串 $1是符号名
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randomStringWithSymbol() {
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grep -w $1 $SYMBOL_FILE -h | cut -d \ -f 2
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}
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removeIfExist() {
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if [ -f $1 ]; then
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rm $1
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fi
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}
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# 备份文件 $1:file full path
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backupFile() {
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file=$1
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# 在原文件名前加个.（点符合）用作备份名
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fileName=${file##*/}
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backupPath=${file/$fileName/.$fileName$BACKUP_EXTENSION}
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echo "backup $file to $backupPath"
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if [ ! -f $backupPath ]; then
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cp $file $backupPath
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echo $backupPath >>$BACKUP_FILE
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fi
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}
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# 方案1. 精确备份：用关键字遍历会修改到的source文件，再将其备份 -- 消耗性能
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# 方案2. 整体备份：备份所有source文件 -- 消耗存储空间
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# 根据需要，为简单起见，这里选用方案2
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backupAllSource() {
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info "backup all swift files"
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NAMES="-name \"${SOURCE_ARRAY[0]}\""
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i=1
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while [ $i -lt ${#SOURCE_ARRAY[@]} ]; do
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NAMES+=" -or -name \"${SOURCE_ARRAY[$i]}\""
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let i++
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done
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# echo $NAMES
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removeIfExist $BACKUP_FILE
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touch $BACKUP_FILE
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eval "find $CONFUSE_DIR $NAMES" | while read file; do
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backupFile $file
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done
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}
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# 混淆工作， ⚠️该函数不会自动备份，要备份请调用safeConfuse函数
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confuseOnly() {
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info "confuse start..."
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# 获取要混淆的函数名和变量名
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INCLUDES="--include=\"${SOURCE_ARRAY[0]}\""
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i=1
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while [ $i -lt ${#SOURCE_ARRAY[@]} ]; do
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INCLUDES+=" --include=\"${SOURCE_ARRAY[$i]}\""
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let i++
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done
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eval "grep $CONFUSE_PREFIX -r $CONFUSE_DIR $INCLUDES -n" >$CONFUSE_FILE
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# cat $CONFUSE_FILE
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# 绑定随机字符串
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removeIfExist $SYMBOL_FILE
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touch $SYMBOL_FILE
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cat $CONFUSE_FILE | egrep -w $CONFUSE_PREFIX"[0-9a-zA-Z_]*" -o | sort | uniq | while read line; do
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echo $line" `randomString`" >>$SYMBOL_FILE
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done
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# cat $SYMBOL_FILE
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# 读取备份文件记录
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# 在这里没使用遍历批量替换，怕文件太多的时候影响性能
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cat $CONFUSE_FILE | while read line; do
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# echo "> $line"
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# 截取行号
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lineNum=`echo $line | sed 's/.*:\([0-9]*\):.*/\1/g'`
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# 截取文件路径
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path=${line%%:*}
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# 一行可能有多个要替换的子串，要循环遍历完
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# 这里之所以要用`sort -r`倒序是因为有个bug：如有字符串"jjyy abc hello abcde", 现在要替换"abc"为"123"（abcde保持不变），也就是传说中的‘全匹配替换’，
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# 但不知为何在macOS下单词边界表达式不起作用：\<abc\> 或者 \babc\b都不起作用，Linux下这个正则表达式是没问题的。
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# 倒序之后有长串优先替换长串，防止短串把长串部分替换掉。但依然存在bug：若是长串不需要替换，则短串替换是依然会将长串部分替换😂
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# 因此依然还需要寻找macOS下单词边界/全匹配 的正则表达式
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echo $line | egrep -w $CONFUSE_PREFIX"[0-9a-zA-Z_]*" -o | sort -r | while read -ra symbol; do
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# 根据名称获取绑定的随机字符串
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random=`randomStringWithSymbol $symbol`
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# echo "$path $lineNum $symbol $random"
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# 随机字符串替换
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# -i：表示直接在原文件替换，""：表示不要备份
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sed -i "" "${lineNum}s/$symbol/$random/g" $path
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echo " $symbol => $random"
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done
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done
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info "confuse done"
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}
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# 编译工作，生成通用framework
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buildAll() {
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info "build start..."
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if [ -z "$PROJECT_NAME" ]; then
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echo -e "\033[1;31mERROR：当前版本未配置完整Xcode环境变量，仅支持混淆功能，不支持framework编译，若需编译请用Xcode运行该脚本\033[0m"
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return
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fi
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# 要build的target名
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TARGET_NAME=${PROJECT_NAME}
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UNIVERSAL_OUTPUT_DIR="${SRCROOT}/Framework/"
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# 创建输出目录，并删除之前的framework文件
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mkdir -p "${UNIVERSAL_OUTPUT_DIR}"
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rm -rf "${UNIVERSAL_OUTPUT_DIR}/${TARGET_NAME}.framework"
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#分别编译模拟器和真机的Framework
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xcodebuild -target "${TARGET_NAME}" ONLY_ACTIVE_ARCH=NO -configuration ${CONFIGURATION} ARCHS="armv7 armv7s arm64" -sdk iphoneos BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${BUILD_ROOT}" clean build
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xcodebuild -target "${TARGET_NAME}" ONLY_ACTIVE_ARCH=NO -configuration ${CONFIGURATION} ARCHS="i386 x86_64" -sdk iphonesimulator BUILD_DIR="${BUILD_DIR}" BUILD_ROOT="${BUILD_ROOT}" clean build
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#拷贝framework到univer目录
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cp -R "${BUILD_DIR}/${CONFIGURATION}-iphoneos/${TARGET_NAME}.framework" "${UNIVERSAL_OUTPUT_DIR}"
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# 合并swiftmodule到univer目录
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cp -R "${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${TARGET_NAME}.framework/Modules/${TARGET_NAME}.swiftmodule/" "${UNIVERSAL_OUTPUT_DIR}/${TARGET_NAME}.framework/Modules/${TARGET_NAME}.swiftmodule"
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#合并framework，输出最终的framework到build目录
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lipo -create -output "${UNIVERSAL_OUTPUT_DIR}/${TARGET_NAME}.framework/${TARGET_NAME}" "${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/${TARGET_NAME}.framework/${TARGET_NAME}" "${BUILD_DIR}/${CONFIGURATION}-iphoneos/${TARGET_NAME}.framework/${TARGET_NAME}"
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#删除编译之后生成的无关的配置文件
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dir_path="${UNIVERSAL_OUTPUT_DIR}/${TARGET_NAME}.framework/"
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for file in ls $dir_path; do
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if [[ ${file} =~ ".xcconfig" ]]; then
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rm -f "${dir_path}/${file}"
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fi
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done
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#判断build文件夹是否存在，存在则删除
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if [ -d "${SRCROOT}/build" ]; then
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rm -rf "${SRCROOT}/build"
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fi
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#rm -rf "${BUILD_DIR}/${CONFIGURATION}-iphonesimulator" "${BUILD_DIR}/${CONFIGURATION}-iphoneos"
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#打开合并后的文件夹
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open "${UNIVERSAL_OUTPUT_DIR}"
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info "build done"
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}
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# 清理工作，去混淆
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unconfuse() {
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info "clean start..."
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if [ -f $CONFUSE_FLAG ]; then
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# 恢复混淆的函数名所在source文件的bak内容
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cat $BACKUP_FILE | while read backup; do
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backupName=${backup##*/}
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fileName=`echo $backupName | cut -d "." -f2,3`
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filePath=${backup/$backupName/$fileName}
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echo "recover $backup to $filePath"
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cp $backup $filePath
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rm $backup
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done
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# 删除修改记录
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removeIfExist $SYMBOL_FILE
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removeIfExist $CONFUSE_FILE
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removeIfExist $BACKUP_FILE
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removeIfExist $CONFUSE_FLAG
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else
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echo "Not confuse yet!"
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fi
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info "clean done"
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}
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# 检查是否上次未完成
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precheck() {
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# 创建一个隐藏文件，仅标记混淆编译的状态
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# 由于编译过程有可能被中断，因此混淆后的代码可能未恢复，在开始备份前先做判断
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unconfuse
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touch $CONFUSE_FLAG
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}
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# 去混淆->备份->混淆
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safeConfuse() {
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precheck
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backupAllSource
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confuseOnly
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}
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# 去混淆->备份->混淆
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# 编译
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# 去混淆
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safeConfuseAndBuild() {
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info "preparing confuse and build..."
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safeConfuse
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buildAll
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unconfuse
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info "all done"
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}
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usage() {
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echo -e "\033[1;31musage: ./confuseAndBuild.sh [-u|c|b|a]"
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echo -e " -u"
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echo -e " unconfuse: 清理工作，去混淆"
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echo -e " -c"
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echo -e " safeConfuse: 去混淆->备份->混淆"
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echo -e " -b"
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echo -e " buildAll: 编译生成通用framework"
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echo -e " -a"
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echo -e " safeConfuseAndBuild: 去混淆->备份->混淆->编译->去混淆"
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echo -e "EXAMPLE:"
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echo -e " ./confuseAndBuild.sh -u\033[0m"
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}
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main() {
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echo "参数个数：$# 参数值:$1"
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case $1 in
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"-u" )
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unconfuse
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;;
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"-c" )
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safeConfuse
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;;
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"-b" )
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buildAll
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;;
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"-a" )
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safeConfuseAndBuild
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;;
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* )
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usage
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;;
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esac
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}
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main $@
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