Simple Receipt Validation Code With the App Store

SimpleSampleAppStoreReceiptValidation.txt

- (void)getReceiptDataWithCompletionBlock:(void(^)(NSError *error))completionBlock {
        
    NSURL *recieptURL = [[NSBundle mainBundle] appStoreReceiptURL];
    
    NSData *recieptData = [NSData dataWithContentsOfURL:recieptURL];

    NSMutableDictionary *payLoad;
    
    if (recieptData){
        payLoad = [NSMutableDictionary dictionaryWithObject:[recieptData base64EncodedStringWithOptions:0] forKey:@"receipt-data"];
    }
    else {
        payLoad = [NSMutableDictionary dictionary];
    }
    
    NSError *requestError;
    NSData *requestData = [NSJSONSerialization dataWithJSONObject:payLoad options:0 error:&requestError];
    
    NSURL *sandboxURL = [NSURL URLWithString:@"https://sandbox.itunes.apple.com/verifyReceipt"];
    NSURL *liveURL = [NSURL URLWithString:@"https://buy.itunes.apple.com/verifyReceipt"];
    
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:sandboxURL]; // Use sandboxURL or liveURL according to environment you try
    
    [request setHTTPMethod:@"POST"];
    [request setHTTPBody:requestData];
    
    NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
    
    [[session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
        
        dispatch_async(dispatch_get_main_queue(), ^{
            
            if(!error){
                
                NSError *responseError;
                NSDictionary *jsonResponse = [NSJSONSerialization JSONObjectWithData:data options:0 error:&responseError];
                
                // Handle receipt data here
                
                completionBlock(nil);
            }
            else {
                completionBlock(error);
            }
        });
    }] resume];
    
    [session finishTasksAndInvalidate];
}