[iOS] Protect animation module. (#1572)

apache · Sep 25, 2018 · 5310826 · 5310826
1 parent cd89a4d
commit 5310826
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/ios/sdk/WeexSDK/Sources/Module/WXAnimationModule.m b/ios/sdk/WeexSDK/Sources/Module/WXAnimationModule.m
@@ -152,10 +152,26 @@ - (void)transition:(NSString *)nodeRef args:(NSDictionary *)args callback:(WXMod
     _needLayout = NO;
     _isAnimationedSuccess = YES;
     WXPerformBlockOnComponentThread(^{
+        if (nodeRef == nil || ![nodeRef isKindOfClass:[NSString class]] ||
+            ![args isKindOfClass:[NSDictionary class]]) {
+            if (callback) {
+                NSDictionary *message = @{@"result":@"Fail",
+                                          @"message":@"Argument type error."};
+                callback(message, NO);
+            }
+            return;
+        }
+
         NSArray *stringArray = [nodeRef componentsSeparatedByString:@"@"];
         if ([stringArray count] == 0) {
+            if (callback) {
+                NSDictionary *message = @{@"result":@"Fail",
+                                          @"message":@"Node ref format error."};
+                callback(message, NO);
+            }
             return;
         }
+
         WXComponent *targetComponent = [self.weexInstance componentForRef:stringArray[0]];
         if (!targetComponent) {
             if (callback) {