aps_environment.m

NSString *getApsEnvironment()
{
    NSString *provisioningPath = [[NSBundle mainBundle] pathForResource:@"embedded" ofType:@"mobileprovision"];
    if (!provisioningPath)
        return (NSString *)nil;

    // NSISOLatin1 keeps the binary wrapper from being parsed as unicode and dropped as invalid
    NSScanner *scanner = [NSScanner scannerWithString:[NSString stringWithContentsOfFile:provisioningPath encoding:NSISOLatin1StringEncoding error:NULL]];
    if (![scanner scanUpToString:@"<plist" intoString:nil])
        return (NSString *)nil;

    NSString *plistString;
    if (![scanner scanUpToString:@"</plist>" intoString:&plistString])
        return (NSString *)nil;

    plistString = [plistString stringByAppendingString:@"</plist>"];
    NSDictionary *dict = [NSPropertyListSerialization propertyListWithData:[plistString dataUsingEncoding:NSISOLatin1StringEncoding] options:NSPropertyListImmutable format:NULL error:NULL];
    if (!dict)
        return (NSString *)nil;

    NSDictionary *entitlements = dict[@"Entitlements"];
    NSString *environment = entitlements[@"aps-environment"];
    return environment;
}