我正在开发Swift 3中的iOS应用程序并尝试按照本教程实现收据验证：http://savvyapps.com/blog/how-setup-test-auto-renewable-subscription-ios-app。但是，该教程似乎是使用早期版本的Swift编写的，因此我不得不进行一些更改。这是我的receiptValidation（）函数：
func receiptValidation() {
let receiptPath = Bundle.main.appStoreReceiptURL?.path
if FileManager.default.fileExists(atPath: receiptPath!){
var receiptData:NSData?
do{
receiptData = try NSData(contentsOf: Bundle.main.appStoreReceiptURL!, options: NSData.ReadingOptions.alwaysMapped)
}
catch{
print("ERROR: " + error.localizedDescription)
}
let receiptString = receiptData?.base64EncodedString(options: NSData.Base64EncodingOptions(rawValue: 0))
let postString = "receipt-data=" + receiptString! + "&password=" + SUBSCRIPTION_SECRET
let storeURL = NSURL(string:"https://sandbox.itunes.apple.com/verifyReceipt")!
let storeRequest = NSMutableURLRequest(url: storeURL as URL)
storeRequest.httpMethod = "POST"
storeRequest.httpBody = postString.data(using: .utf8)
let session = URLSession(configuration:URLSessionConfiguration.default)
let task = session.dataTask(with: storeRequest as URLRequest) { data, response, error in
do{
let jsonResponse:NSDictionary = try JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.mutableContainers) as! NSDictionary
let expirationDate:NSDate = self.expirationDateFromResponse(jsonResponse: jsonResponse)!
self.updateIAPExpirationDate(date: expirationDate)
}
catch{
print("ERROR: " + error.localizedDescription)
}
}
task.resume()
}
}
当我尝试调用expirationDateFromResponse（）方法时，问题出现了。事实证明，传递给此方法的jsonResponse仅包含：status = 21002;。我查了一遍，这意味着＆＃34;收据数据属性中的数据格式不正确或丢失。＆＃34;但是，我正在测试的设备对该产品有一个有效的沙盒订阅，并且除了此问题之外，订阅似乎也能正常工作。还有什么我还需要做的事情，以确保将正确读取和编码receiptData值，或者可能导致此问题的其他一些问题吗？
编辑：
我尝试了另一种设置storeRequest.httpBody的方法：
func receiptValidation() {
let receiptPath = Bundle.main.appStoreReceiptURL?.path
if FileManager.default.fileExists(atPath: receiptPath!){
var receiptData:NSData?
do{
receiptData = try NSData(contentsOf: Bundle.main.appStoreReceiptURL!, options: NSData.ReadingOptions.alwaysMapped)
}
catch{
print("ERROR: " + error.localizedDescription)
}
let receiptString = receiptData?.base64EncodedString(options: NSData.Base64EncodingOptions(rawValue: 0)) //.URLEncoded
let dict = ["receipt-data":receiptString, "password":SUBSCRIPTION_SECRET] as [String : Any]
var jsonData:Data?
do{
jsonData = try JSONSerialization.data(withJSONObject: dict, options: .prettyPrinted)
}
catch{
print("ERROR: " + error.localizedDescription)
}
let storeURL = NSURL(string:"https://sandbox.itunes.apple.com/verifyReceipt")!
let storeRequest = NSMutableURLRequest(url: storeURL as URL)
storeRequest.httpMethod = "POST"
storeRequest.httpBody = jsonData!
let session = URLSession(configuration:URLSessionConfiguration.default)
let task = session.dataTask(with: storeRequest as URLRequest) { data, response, error in
do{
let jsonResponse:NSDictionary = try JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.mutableContainers) as! NSDictionary
let expirationDate:NSDate = self.expirationDateFromResponse(jsonResponse: jsonResponse)!
self.updateIAPExpirationDate(date: expirationDate)
}
catch{
print("ERROR: " + error.localizedDescription)
}
}
task.resume()
}
}
但是，当我使用此代码运行应用时，它会在到达jsonData = try JSONSerialization.data(withJSONObject: dict, options: .prettyPrinted)行时挂起。它甚至没有进入捕获块，它只是停止做任何事情。从我在网上看到的，其他人似乎在使用JSONSerialization.data在Swift 3中设置请求httpBody时遇到了麻烦。
答案 0 :(得分：8)
它与Swift 4正常工作
/getJsonFile答案 1 :(得分：6)
我更新了@ user3726962的代码，删除了不必要的NS＆＃34;崩溃运算符＆＃34;。它应该看起来更像是 Swift 3 。
在使用此代码之前，请注意Apple不建议直接[设备]＆lt; - ＆gt; [Apple服务器]验证并要求执行[设备]＆lt; - ＆gt; [您的服务器]＆lt; - ＆gt; [Apple服务器]。仅在您不害怕将应用程序内购买入侵时使用。
更新：使功能通用：它将尝试首先使用Production验证收据，如果失败 - 它将重复使用Sandbox。它有点笨重，但应该是独立的，独立于第三方。
select * from usr;
ID | NAME
----|-----
2 | john
3 | sally
5 | mary
select * from items;
ID | NAME |USERID
---|----------|------
1 |myitem | 2
2 |mynewitem | 2
3 |my-item | 3
4 |mynew-item| 3
这适用于自动续订订阅。 Haven尚未对其他类型的订阅进行测试。如果它适用于某些其他订阅类型，请发表评论。
答案 2 :(得分：3)
我在同样的问题上挣扎着。问题是这一行：
let receiptString = receiptData?.base64EncodedString(options: NSData.Base64EncodingOptions(rawValue: 0))
返回OPTIONAL和
jsonData = try JSONSerialization.data(withJSONObject: dict, options: .prettyPrinted)
无法处理期权。所以要修复它，只需用第一行代码替换：
let receiptString:String = receiptData?.base64EncodedString(options: NSData.Base64EncodingOptions.lineLength64Characters) as String!
一切都会像魅力一样发挥作用！
答案 3 :(得分：0)
最终我通过让我的应用程序调用用Python编写的Lambda函数来解决问题，如this回答所示。我仍然不确定我的Swift代码有什么问题或者如何在Swift 3中完全执行此操作，但Lambda函数无论如何都得到了理想的结果。
答案 4 :(得分：0)
//代表评论太低
Yasin Aktimur，谢谢你的回答，这太棒了。但是，看看关于这个的Apple文档，他们说要在单独的Queue上连接到iTunes。所以看起来应该是这样的：func receiptValidation() {
let SUBSCRIPTION_SECRET = "secret"
let receiptPath = Bundle.main.appStoreReceiptURL?.path
if FileManager.default.fileExists(atPath: receiptPath!){
var receiptData:NSData?
do{
receiptData = try NSData(contentsOf: Bundle.main.appStoreReceiptURL!, options: NSData.ReadingOptions.alwaysMapped)
}
catch{
print("ERROR: " + error.localizedDescription)
}
let base64encodedReceipt = receiptData?.base64EncodedString(options: NSData.Base64EncodingOptions.endLineWithCarriageReturn)
let requestDictionary = ["receipt-data":base64encodedReceipt!,"password":SUBSCRIPTION_SECRET]
guard JSONSerialization.isValidJSONObject(requestDictionary) else { print("requestDictionary is not valid JSON"); return }
do {
let requestData = try JSONSerialization.data(withJSONObject: requestDictionary)
let validationURLString = "https://sandbox.itunes.apple.com/verifyReceipt" // this works but as noted above it's best to use your own trusted server
guard let validationURL = URL(string: validationURLString) else { print("the validation url could not be created, unlikely error"); return }
let session = URLSession(configuration: URLSessionConfiguration.default)
var request = URLRequest(url: validationURL)
request.httpMethod = "POST"
request.cachePolicy = URLRequest.CachePolicy.reloadIgnoringCacheData
let queue = DispatchQueue(label: "itunesConnect")
queue.async {
let task = session.uploadTask(with: request, from: requestData) { (data, response, error) in
if let data = data , error == nil {
do {
let appReceiptJSON = try JSONSerialization.jsonObject(with: data, options: .allowFragments) as? NSDictionary
print("success. here is the json representation of the app receipt: \(appReceiptJSON)")
} catch let error as NSError {
print("json serialization failed with error: \(error)")
}
} else {
print("the upload task returned an error: \(error ?? "couldn't upload" as! Error)")
}
}
task.resume()
}
} catch let error as NSError {
print("json serialization failed with error: \(error)")
}
}
}
答案 5 :(得分：0)
我喜欢您的答案，我只是用C＃将其重写为那些像我一样使用它的人，因为我找不到解决方案的好来源。 再次感谢 对于消耗性IAP
void ReceiptValidation()
{
var recPath = NSBundle.MainBundle.AppStoreReceiptUrl.Path;
if (File.Exists(recPath))
{
NSData recData;
NSError error;
recData = NSData.FromUrl(NSBundle.MainBundle.AppStoreReceiptUrl, NSDataReadingOptions.MappedAlways, out error);
var recString = recData.GetBase64EncodedString(NSDataBase64EncodingOptions.None);
var dict = new Dictionary<String,String>();
dict.TryAdd("receipt-data", recString);
var dict1 = NSDictionary.FromObjectsAndKeys(dict.Values.ToArray(), dict.Keys.ToArray());
var storeURL = new NSUrl("https://sandbox.itunes.apple.com/verifyReceipt");
var storeRequest = new NSMutableUrlRequest(storeURL);
storeRequest.HttpMethod = "POST";
var jsonData = NSJsonSerialization.Serialize(dict1, NSJsonWritingOptions.PrettyPrinted, out error);
if (error == null)
{
storeRequest.Body = jsonData;
var session = NSUrlSession.FromConfiguration(NSUrlSessionConfiguration.DefaultSessionConfiguration);
var tsk = session.CreateDataTask(storeRequest, (data, response, err) =>
{
if (err == null)
{
var rstr = NSJsonSerialization.FromObject(data);
}
else
{
// Check Error
}
});
tsk.Resume();
}else
{
// JSON Error Handling
}
}
}