public async Task SaveReceiptAsync(AppleReceiptStatus receiptStatus, Guid userId)
{
var originalTransactionId = receiptStatus.GetOriginalTransactionId();
if (string.IsNullOrWhiteSpace(originalTransactionId))
{
throw new Exception("OriginalTransactionId is null");
}
await _metaDataRespository.UpsertAsync("AppleReceipt", originalTransactionId,
new Dictionary <string, string>
{
["Data"] = receiptStatus.GetReceiptData(),
["UserId"] = userId.ToString()
});
}
private async Task <AppleReceiptStatus> GetReceiptStatusAsync(string receiptData, bool prod = true,
int attempt = 0, AppleReceiptStatus lastReceiptStatus = null)
{
try
{
if (attempt > 4)
{
throw new Exception("Failed verifying Apple IAP after too many attempts. Last attempt status: " +
lastReceiptStatus?.Status ?? "null");
}
var url = string.Format("https://{0}.itunes.apple.com/verifyReceipt", prod ? "buy" : "sandbox");
var json = new JObject(new JProperty("receipt-data", receiptData),
new JProperty("password", _globalSettings.AppleIap.Password)).ToString();
var response = await _httpClient.PostAsync(url, new StringContent(json));
if (response.IsSuccessStatusCode)
{
var responseJson = await response.Content.ReadAsStringAsync();
var receiptStatus = JsonConvert.DeserializeObject <AppleReceiptStatus>(responseJson);
if (receiptStatus.Status == 21007)
{
return(await GetReceiptStatusAsync(receiptData, false, attempt + 1, receiptStatus));
}
else if (receiptStatus.Status == 21005)
{
await Task.Delay(2000);
return(await GetReceiptStatusAsync(receiptData, prod, attempt + 1, receiptStatus));
}
return(receiptStatus);
}
}
catch (Exception e)
{
_logger.LogWarning(e, "Error verifying Apple IAP receipt.");
}
return(null);
}
private async Task <AppleReceiptStatus> GetReceiptStatusAsync(string receiptData, bool prod = true,
int attempt = 0, AppleReceiptStatus lastReceiptStatus = null)
{
try
{
if (attempt > 4)
{
throw new Exception("Failed verifying Apple IAP after too many attempts. Last attempt status: " +
lastReceiptStatus?.Status ?? "null");
}
var url = string.Format("https://{0}.itunes.apple.com/verifyReceipt", prod ? "buy" : "sandbox");
var response = await _httpClient.PostAsJsonAsync(url, new AppleVerifyReceiptRequestModel
{
ReceiptData = receiptData,
Password = _globalSettings.AppleIap.Password
});
if (response.IsSuccessStatusCode)
{
var receiptStatus = await response.Content.ReadFromJsonAsync <AppleReceiptStatus>();
if (receiptStatus.Status == 21007)
{
return(await GetReceiptStatusAsync(receiptData, false, attempt + 1, receiptStatus));
}
else if (receiptStatus.Status == 21005)
{
await Task.Delay(2000);
return(await GetReceiptStatusAsync(receiptData, prod, attempt + 1, receiptStatus));
}
return(receiptStatus);
}
}
catch (Exception e)
{
_logger.LogWarning(e, "Error verifying Apple IAP receipt.");
}
return(null);
}
