如何正确取消并重新启动 URLSessionDataTask Swift

Question

这是我的请求功能：

func receiptValidation(completion: @escaping(_ isPurchaseSchemeActive: Bool, _ error: Error?) -> ()) {
    let receiptFileURL = Bundle.main.appStoreReceiptURL
    guard let receiptData = try? Data(contentsOf: receiptFileURL!) else {
        //This is the First launch app VC pointer call
        completion(false, nil)
        return
    }
    let recieptString = receiptData.base64EncodedString(options: NSData.Base64EncodingOptions(rawValue: 0))
    let jsonDict: [String: AnyObject] = ["receipt-data" : recieptString as AnyObject, "password" : "7bb160f1c8ec4d929fbc751c507d24fd" as AnyObject]
    
    do {
        let requestData = try JSONSerialization.data(withJSONObject: jsonDict, options: JSONSerialization.WritingOptions.prettyPrinted)
        let storeURL = URL(string: self.verifyReceiptURL)!
        var storeRequest = URLRequest(url: storeURL)
        storeRequest.httpMethod = "POST"
        storeRequest.httpBody = requestData
        let session = URLSession(configuration: URLSessionConfiguration.default)
        let task = session.dataTask(with: storeRequest, completionHandler: { [weak self] (data, response, error) in
            do {
                if let jsonResponse = try JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.mutableContainers) as? NSDictionary {
                    print("json response \(jsonResponse)")
                    if let expiresDate = self?.getPurchaseAndExpirationDateFromResponse(jsonResponse, keyString: "expires_date") {
                        //print("expiresDate \(expiresDate)")
                        let purchaseStatus = self?.isSubscriptionActive(expireDate: expiresDate)
                        if let purchaseStatus = purchaseStatus {
                            completion(purchaseStatus, nil)
                        }
                    }
                }
            } catch let parseError {
                completion(false, parseError)
            }
        })
        task.resume()
    } catch let parseError {
        completion(false, parseError)
    }
}

这就是我的调用方式：

func callForVal() {
    receiptValidation() { isPurchaseSchemeActive, error in
        if let err = error {
            self.onBuyProductHandler?(.failure(err))
        } else {
            self.onBuyProductHandler?(.success(isPurchaseSchemeActive))
        }
    }
}

但有时需要很长时间才能得到响应。现在我想用 60 秒计时器来调用它，如果在这 60 秒内没有得到任何响应。我该怎么做呢？