detect a cracked app

gistfile1.m

-(BOOL)appIsCracked
{
	BOOL cracked = NO;
	
	NSString* bundlePath = [[NSBundle mainBundle] bundlePath];
	NSString* resourcePath = [[NSBundle mainBundle] resourcePath];
	NSFileManager* fileManager = [NSFileManager defaultManager];
	
	NSDictionary* iTunesMetadata = [NSDictionary dictionaryWithContentsOfFile:[NSString stringWithFormat:@"%@/iTunesMetadata.plist", bundlePath]];
	if([(NSString*)[iTunesMetadata objectForKey:@"appleId"] isEqualToString:@"[email protected]"])
		cracked = YES;
	if(![fileManager fileExistsAtPath:[NSString stringWithFormat:@"%@/_CodeSignature", resourcePath]])
		cracked = YES;
	if(![fileManager fileExistsAtPath:[NSString stringWithFormat:@"%@/ResourceRules.plist", resourcePath]])
		cracked = YES;
	
	return cracked;
}