FraudDetection.cs 3.7 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Security.Cryptography;
  4. using System.Text;
  5. using UnityEngine;
  6. using UnityEngine.Purchasing;
  7. using UnityEngine.UI;
  8. namespace Samples.Purchasing.GooglePlay.FraudDetection
  9. {
  10. [RequireComponent(typeof(UserWarningGooglePlayStore))]
  11. public class FraudDetection : MonoBehaviour, IStoreListener
  12. {
  13. IStoreController m_StoreController;
  14. public User user;
  15. public string goldProductId = "com.mycompany.mygame.gold1";
  16. public ProductType goldType = ProductType.Consumable;
  17. public Text goldCountText;
  18. int m_GoldCount;
  19. void Start()
  20. {
  21. InitializePurchasing();
  22. UpdateWarningMessage();
  23. }
  24. void InitializePurchasing()
  25. {
  26. var builder = ConfigurationBuilder.Instance(StandardPurchasingModule.Instance());
  27. var googlePlayConfiguration = builder.Configure<IGooglePlayConfiguration>();
  28. ConfigureGoogleFraudDetection(googlePlayConfiguration);
  29. builder.AddProduct(goldProductId, goldType);
  30. UnityPurchasing.Initialize(this, builder);
  31. }
  32. void ConfigureGoogleFraudDetection(IGooglePlayConfiguration googlePlayConfiguration)
  33. {
  34. //To make sure the account id and profile id do not contain personally identifiable information, we obfuscate this information by hashing it.
  35. var obfuscatedAccountId = HashString(user.AccountId);
  36. var obfuscatedProfileId = HashString(user.ProfileId);
  37. googlePlayConfiguration.SetObfuscatedAccountId(obfuscatedAccountId);
  38. googlePlayConfiguration.SetObfuscatedProfileId(obfuscatedProfileId);
  39. }
  40. static string HashString(string input)
  41. {
  42. var stringBuilder = new StringBuilder();
  43. foreach (var b in GetHash(input))
  44. stringBuilder.Append(b.ToString("X2"));
  45. return stringBuilder.ToString();
  46. }
  47. static IEnumerable<byte> GetHash(string input)
  48. {
  49. using (HashAlgorithm algorithm = SHA256.Create())
  50. return algorithm.ComputeHash(Encoding.UTF8.GetBytes(input));
  51. }
  52. public void OnInitialized(IStoreController controller, IExtensionProvider extensions)
  53. {
  54. Debug.Log("In-App Purchasing successfully initialized");
  55. m_StoreController = controller;
  56. UpdateUI();
  57. }
  58. public void BuyGold()
  59. {
  60. m_StoreController.InitiatePurchase(goldProductId);
  61. }
  62. public PurchaseProcessingResult ProcessPurchase(PurchaseEventArgs args)
  63. {
  64. var product = args.purchasedProduct;
  65. Debug.Log($"Processing Purchase: {product.definition.id}");
  66. UnlockContent(product);
  67. return PurchaseProcessingResult.Complete;
  68. }
  69. void UnlockContent(Product product)
  70. {
  71. if (product.definition.id == goldProductId)
  72. {
  73. AddGold();
  74. }
  75. UpdateUI();
  76. }
  77. void AddGold()
  78. {
  79. m_GoldCount++;
  80. }
  81. void UpdateUI()
  82. {
  83. goldCountText.text = $"Your Gold: {m_GoldCount}";
  84. }
  85. public void OnInitializeFailed(InitializationFailureReason error)
  86. {
  87. Debug.Log($"In-App Purchasing initialize failed: {error}");
  88. }
  89. public void OnPurchaseFailed(Product product, PurchaseFailureReason failureReason)
  90. {
  91. Debug.Log($"Purchase failed - Product: '{product.definition.id}', PurchaseFailureReason: {failureReason}");
  92. }
  93. void UpdateWarningMessage()
  94. {
  95. GetComponent<UserWarningGooglePlayStore>().UpdateWarningText();
  96. }
  97. }
  98. }