obfuscate_project

#!/bin/bash

#
# Must be located and called in root. Because of the ios-class-guard command
#

# Required tools check
if ! which ios-class-guard; then
        echo "MISSING ios-class-guard ... see notes.txt"
fi

if ! which xcpretty; then
        echo "MISSING xcpretty ... see notes.txt"
fi

if ! which class-dump; then
        echo "MISSING class-dump ... see notes.txt"
fi

# Variables
WORKSPACE=Phonex.xcworkspace
SCHEME=Phonex
# name of the .app
TARGET=Phonex
CONFIGURATION=Release

# because of https://github.com/Polidea/ios-class-guard/issues/15, we need
# to get the symbols from the simulator build
#SDK=iphoneos
# "$(PROJECT_DIR)/Pods/obfuscation/build/Release-iphoneos"

SDK=iphonesimulator
# "$(PROJECT_DIR)/Pods/obfuscation/build/Release-iphonesimulator"

OBFUSCATION_FOLDER=obfuscation
HEADERS_FOLDER="${OBFUSCATION_FOLDER}/headers"
BUILD_FOLDER="${OBFUSCATION_FOLDER}/build"
OBFUSCATED_SUFIX=".obf"
HEADERS_FOLDER_OBF="${HEADERS_FOLDER}${OBFUSCATED_SUFIX}"
BUILD_FOLDER_OBF="${BUILD_FOLDER}${OBFUSCATED_SUFIX}"

SYMBOLS_FILE="${PWD}/symbols.h"
DEVELOPER_DIR="$(xcode-select -p)"

#SDK_DIR="$DEVELOPER_DIR/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk"
SDK_DIR="$DEVELOPER_DIR/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/"
[[ ! -d "$SDK_DIR" ]] && echo "$SDK_DIR doesn't exist" && exit 1

##########
#
# Clears includes and symbols
#
##########
function clearBeforeStart() {

	echo "CLEAR BEFORE START"

	#- 1 remove obfuscation include(s)
	sed -i -e "/symbols\.h/d" ./Phonex/Phonex-Prefix.pch

	#- 2 clean this script's previous output
	rm -rf "${HEADERS_FOLDER}" "${BUILD_FOLDER}" "${HEADERS_FOLDER_OBF}" "${BUILD_FOLDER_OBF}"
	
	echo "CLEAR BEFORE START FINISHED"
}

########
#
# Build workspace and dump headers
#
# 1 - build folder
# 2 - class dump headers folder
# 
########
function buildAndBump() {
	echo "BUILDING"
	
	xcodebuild \
	-workspace "$WORKSPACE" \
	-scheme "$SCHEME" \
	-configuration "$CONFIGURATION" \
	-sdk "$SDK" \
	clean build \
	OBJROOT="${1}"/ \
	SYMROOT="${1}"/ |\
	xcpretty -c
	
	if [[ $? -ne 0 ]] ; then
		echo "BUILD FAILED"
    	exit -1
	fi
	
	echo "BUILD FINISHED"

	echo "DUMPING CLASSES"
	class-dump -H -o "${2}" "${1}"/$CONFIGURATION-$SDK/$TARGET.app/$TARGET
	
	if [[ $? -ne 0 ]] ; then
		echo "CLASS DUMP FAILED"
    	exit -1
	fi
	
	echo "DUMPING FINISHED"
}

#- 2
clearBeforeStart

#- 3 build project to fetch symbols
buildAndBump "${BUILD_FOLDER}" "${HEADERS_FOLDER}"

if [[ $? -ne 0 ]] ; then
		echo "BUILD AND DUMP FAILED"
    	exit -1
fi

echo "BUILD AND DUMP FINISHED"

echo "INCLUDING MACRO INCLUDE"

#- 4 include symbol macro in prefix file
find . -name '*-Prefix.pch' -exec sed -i .bak '1i\
'"#import \"$SYMBOLS_FILE\"
" "{}" \;

if [[ $? -ne 0 ]] ; then
		echo "INCLUDING OBFUSCATED SYMBOLS FAILED"
    	exit -1
	fi

echo "INCLUDING MACRO INCLUDE FINISHED"

#
#- 5 ios-class-guard command task construction
#
GUARD_COMMAND="ios-class-guard --sdk-root "$SDK_DIR" -O ${SYMBOLS_FILE}"

####### FILTERS #########
# hr and xmpp because of NSCoding
FILTER_PREFIX_LIST=(PB GCD hr_ XMPP)

FILTER_PREFIX_PARAMS=""
for i in "${FILTER_PREFIX_LIST[@]}"
do
        FILTER_PREFIX_PARAMS=""${FILTER_PREFIX_PARAMS}" -F '!${i}*'"
done
echo "FILTER_PREFIX_PARAMS ="${FILTER_PREFIX_PARAMS}""
GUARD_COMMAND=""${GUARD_COMMAND}" "${FILTER_PREFIX_PARAMS}""

####### IGNORES ###########
IGNORE_LIST=( \
and interface NSObject end id deprecated objectForKey ofType length copy initWithCapacity \
height width frame size addObject green blue object forKey format file lineNumber config info \
selector version target order isEqualToArray deserializeElementsFromNode code userInfo auxVersion \
table image containsObject removeAllObjects value objectAtIndex dictionary weak range stringValue \
doubleValue timeoutRemoveRpcID at new location initWithImage backgroundColor enabled touchesBegan \
withEvent touchesEnded touchesCancelled data password sender lastObject initWithTarget action \
initWithTarget compare categories initWithFrame initWithArray date layoutSubviews text lock \
addGestureRecognizer textColor setTitle ensureCapacityForAdditionalDataOfLength completion \
viewWillAppear hideOutgoingCallNotification isView y context intValue name animated \
reachabilityWithAddress dismissViewControllerAnimated viewWillDisappear localPortFromNativeSocket4 \
viewDidAppear x progress integerValue timeZone removeObjectForKey observeValueForKeyPath ofObject \
change cancel insertObject atIndex inManagedObjectContext delay red getRed drawPlaceholderInRect \
placeholder setDelegate viewDidDisappear setDelegate attributes floatValue boolValue initWithData \
stringFromDate interval managedObjectContext save certificates host statusCode MIMEType appendData \
start verify integer URL cookies occupantsForRoom path closeSilentlyCursor arguments stop set \
string unsignedIntegerValue didReceivePong systemUptime GCDAsyncSpecialPacket arrayWithArray \
addDependency writeData cancelled createBuilder valueElementFromNumber state initWithString \
close initWithBool drawRect allObjects maxLength usingBlock configuration persistentStoreCoordinator \
enumerateObjectsUsingBlock awakeFromInsert willSave sharedInstance reason soundName callState \
delete read update connect thumbnail filename url property errorWithDomain locale applicationActivities \
open scheme propertyForKey fileSize forMode signal append write streamStatus hasBytesAvailable \
initWithURL resume response isExpectedContentLength hasSpaceAvailable resolveInstanceMethod \
completionBlock initWithName poll time main accept \
# Implementors of NSCoding
# see https://github.com/Polidea/ios-class-guard
USBoolean PEXX509 PEXUserKeyRefreshRecord PEXUri PEXPushNewCertEvent PEXPushClistSyncEvent \
PEXPresenceUpdateMsg PEXPresenceUpdateEnvelope PEXPresenceState PEXPjZrtpStateInfo PEXPjCall \
PEXFtUploadParams PEXFtUploadEntry PEXFtResult PEXFtProgress PEXFtDownloadFileParams \
PEXFtDownloadEntry PEXFileToSendEntry PEXDHUserCheckParam PEXDHKeyGeneratorProgress \
PEXDHKeyGeneratorParams PEXDHKeyGenForUser PEXUserCert PEXDbModelBase PEXConnectivityChange \
PEXCertUpdateProgress PEXCertRefreshResult PEXCertRefreshParams PEXCertCheckListEntry \
)
IGNORE_PARAMS=""
for i in "${IGNORE_LIST[@]}"
do
        IGNORE_PARAMS="${IGNORE_PARAMS} -i ${i}"
done
echo "IGNOREPARAMS = ${IGNORE_PARAMS}"
GUARD_COMMAND="${GUARD_COMMAND} ${IGNORE_PARAMS}"

# currently not obfuscating cocoa pods
# GUARD_COMMAND="${GUARD_COMMAND} -P Pods/Pods.xcodeproj/project.pbxproj"
# GUARD_COMMAND="${GUARD_COMMAND} -m symbols.json"


GUARD_COMMAND="${GUARD_COMMAND} ${BUILD_FOLDER}/$CONFIGURATION-$SDK/$TARGET.app/$TARGET"
echo "GUARD_COMMAND: ${GUARD_COMMAND}"

#- 6 Obfuscate project
eval "${GUARD_COMMAND}"

if [[ $? -ne 0 ]] ; then
		echo "OBFUSCATION FAILED"
    	exit -1
	fi

#- 7 Build obfuscated project to fetch symbols
# Run from IDE instead
# buildAndBump "${BUILD_FOLDER_OBF}" "${HEADERS_FOLDER_OBF}"

if [[ $? -ne 0 ]] ; then
		echo "BUILD AND DUMP FAILED"
    	exit -1
	fi

exit -1