Merge pull request #58 from defold/Issue-47-index-out-of-bounds-exception

Added product and purchase null checks

extension-iap/src/iap_android.cpp

@@ -308,6 +308,7 @@ static void HandleProductResult(const IAPCommand* cmd)
     if (cmd->m_ResponseCode == BILLING_RESPONSE_RESULT_OK) {
         const char* json = (const char*)cmd->m_Data;
         dmScript::JsonToLua(L, json, strlen(json)); // throws lua error if it fails
+        lua_pushnil(L);
     } else {
         dmLogError("IAP error %d", cmd->m_ResponseCode);
         lua_pushnil(L);
@@ -343,6 +344,7 @@ static void HandlePurchaseResult(const IAPCommand* cmd)
         if (cmd->m_Data != 0) {
             const char* json = (const char*)cmd->m_Data;
             dmScript::JsonToLua(L, json, strlen(json)); // throws lua error if it fails
+            lua_pushnil(L);
         } else {
             dmLogError("IAP error, purchase response was null");
             lua_pushnil(L);

extension-iap/src/iap_emscripten.cpp

@@ -47,6 +47,7 @@ static void IAPList_Callback(void* luacallback, const char* result_json)
     if(result_json != 0)
     {
         dmScript::JsonToLua(L, result_json, strlen(result_json)); // throws lua error if it fails
+        lua_pushnil(L);
     }
     else
     {
@@ -97,6 +98,7 @@ static void IAPListener_Callback(void* luacallback, const char* result_json, int
 
     if (result_json) {
         dmScript::JsonToLua(L, result_json, strlen(result_json)); // throws lua error if it fails
+        lua_pushnil(L);
     } else {
         lua_pushnil(L);
         switch(error_code)

extension-iap/src/java/com/defold/iap/IapGooglePlay.java

@@ -243,6 +243,20 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
         return billingResponseCodeToDefoldResponse(result.getResponseCode());
     }
 
+    private void invokeOnPurchaseResultListener(IPurchaseListener purchaseListener, int billingResultCode, String purchaseData) {
+        if (purchaseListener == null) {
+            Log.w(TAG, "Received billing result but no listener has been set");
+            return;
+        }
+        purchaseListener.onPurchaseResult(billingResultCode, purchaseData);
+    }
+    private void invokeOnPurchaseResultListener(IPurchaseListener purchaseListener, BillingResult billingResult, Purchase purchase) {
+        invokeOnPurchaseResultListener(purchaseListener, billingResultToDefoldResponse(billingResult), convertPurchase(purchase));
+    }
+    private void invokeOnPurchaseResultListener(IPurchaseListener purchaseListener, BillingResult billingResult) {
+        invokeOnPurchaseResultListener(purchaseListener, billingResultToDefoldResponse(billingResult), "");
+    }
+
     /**
      * This method is called either explicitly from Lua or from extension code
      * when "set_listener()" is called from Lua.
@@ -306,7 +320,7 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
                 // note: we only call the purchase listener if an error happens
                 if (billingResult.getResponseCode() != BillingResponseCode.OK) {
                     Log.e(TAG, "Unable to consume purchase: " + billingResult.getDebugMessage());
-                    purchaseListener.onPurchaseResult(billingResultToDefoldResponse(billingResult), "");
+                    invokeOnPurchaseResultListener(purchaseListener, billingResult);
                 }
             }
         });
@@ -329,7 +343,7 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
                 // note: we only call the purchase listener if an error happens
                 if (billingResult.getResponseCode() != BillingResponseCode.OK) {
                     Log.e(TAG, "Unable to acknowledge purchase: " + billingResult.getDebugMessage());
-                    purchaseListener.onPurchaseResult(billingResultToDefoldResponse(billingResult), "");
+                    invokeOnPurchaseResultListener(purchaseListener, billingResult);
                 }
             }
         });
@@ -348,12 +362,12 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
                 @Override
                 public void onConsumeResponse(BillingResult billingResult, String purchaseToken) {
                     Log.d(TAG, "handlePurchase() response code " + billingResult.getResponseCode() + " purchaseToken: " + purchaseToken);
-                    purchaseListener.onPurchaseResult(billingResultToDefoldResponse(billingResult), convertPurchase(purchase));
+                    invokeOnPurchaseResultListener(purchaseListener, billingResult, purchase);
                 }
             });
         }
         else {
-            purchaseListener.onPurchaseResult(billingResponseCodeToDefoldResponse(BillingResponseCode.OK), convertPurchase(purchase));
+            invokeOnPurchaseResultListener(purchaseListener, billingResponseCodeToDefoldResponse(BillingResponseCode.OK), convertPurchase(purchase));
         }
     }
 
@@ -362,13 +376,17 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
      */
     @Override
     public void onPurchasesUpdated(BillingResult billingResult, List<Purchase> purchases) {
-        if (billingResult.getResponseCode() == BillingResponseCode.OK && purchases != null) {
+        if (billingResult.getResponseCode() == BillingResponseCode.OK) {
+            if (purchases != null && !purchases.isEmpty()) {
                 for (Purchase purchase : purchases) {
+                    if (purchase != null) {
                         handlePurchase(purchase, this.purchaseListener);
                     }
                 }
+            }
+        }
         else {
-            this.purchaseListener.onPurchaseResult(billingResultToDefoldResponse(billingResult), "");
+            invokeOnPurchaseResultListener(this.purchaseListener, billingResult);
         }
     }
 
@@ -392,7 +410,7 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
         BillingResult billingResult = billingClient.launchBillingFlow(this.activity, billingFlowParams);
         if (billingResult.getResponseCode() != BillingResponseCode.OK) {
             Log.e(TAG, "Purchase failed: " + billingResult.getDebugMessage());
-            purchaseListener.onPurchaseResult(billingResultToDefoldResponse(billingResult), "");
+            invokeOnPurchaseResultListener(purchaseListener, billingResult);
         }
     }
 
@@ -413,11 +431,16 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
                 @Override
                 public void onProductDetailsResponse(BillingResult billingResult, List<ProductDetails> productDetailsList) {
                     if (billingResult.getResponseCode() == BillingResponseCode.OK && (productDetailsList != null) && !productDetailsList.isEmpty()) {
-                        buyProduct(productDetailsList.get(0), token, purchaseListener);
+                        for (ProductDetails productDetails : productDetailsList) {
+                            if (productDetails != null) {
+                                buyProduct(productDetails, token, purchaseListener);
+                                break;
+                            }
+                        }
                     }
                     else {
                         Log.e(TAG, "Unable to get product details before buying: " + billingResult.getDebugMessage());
-                        purchaseListener.onPurchaseResult(billingResultToDefoldResponse(billingResult), "");
+                        invokeOnPurchaseResultListener(purchaseListener, billingResult);
                     }
                 }
             });
@@ -435,11 +458,13 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
 
             @Override
             public void onProductDetailsResponse(BillingResult billingResult, List<ProductDetails> productDetails) {
-                if (productDetails != null) {
+                if (productDetails != null && !productDetails.isEmpty()) {
                     // cache products (cache will be used to speed up buying)
                     for (ProductDetails pd : productDetails) {
+                        if (pd != null) {
                             IapGooglePlay.this.products.put(pd.getProductId(), pd);
                         }
+                    }
                     // add to list of all product details
                     allProductDetails.addAll(productDetails);
                 }
@@ -485,11 +510,13 @@ public class IapGooglePlay implements PurchasesUpdatedListener {
             @Override
             public void onProductDetailsResponse(BillingResult billingResult, List<ProductDetails> productDetails) {
                 JSONArray a = new JSONArray();
-                if (billingResult.getResponseCode() == BillingResponseCode.OK) {
+                if ((billingResult.getResponseCode() == BillingResponseCode.OK) && (productDetails != null) && !productDetails.isEmpty()) {
                     for (ProductDetails pd : productDetails) {
+                        if (pd != null) {
                             a.put(convertProductDetails(pd));
                         }
                     }
+                }
                 else {
                     Log.e(TAG, "Unable to list products: " + billingResult.getDebugMessage());
                 }

game.project

@@ -16,7 +16,7 @@ target_sdk_version = 29
 
 [project]
 title = extension-iap
-dependencies = https://github.com/andsve/dirtylarry/archive/master.zip
+dependencies#0 = https://github.com/andsve/dirtylarry/archive/master.zip
 
 [library]
 include_dirs = extension-iap