[iOS] Protect inner _styles, _attributes and copy them for returning …

…values. (#2111)
apache · Feb 12, 2019 · a3111ee · a3111ee
1 parent e401433
commit a3111ee
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/ios/sdk/WeexSDK/Sources/Model/WXComponent.mm b/ios/sdk/WeexSDK/Sources/Model/WXComponent.mm
@@ -278,7 +278,7 @@ - (NSDictionary *)styles
 {
     NSDictionary *styles;
     pthread_mutex_lock(&_propertyMutex);
-    styles = _styles;
+    styles = [_styles copy];
     pthread_mutex_unlock(&_propertyMutex);
     return styles;
 }
@@ -287,7 +287,7 @@ - (NSDictionary *)pseudoClassStyles
 {
     NSDictionary *pseudoClassStyles;
     pthread_mutex_lock(&_propertyMutex);
-    pseudoClassStyles = _pseudoClassStyles;
+    pseudoClassStyles = [_pseudoClassStyles copy];
     pthread_mutex_unlock(&_propertyMutex);
 
     return pseudoClassStyles;
@@ -302,7 +302,7 @@ - (NSDictionary *)attributes
 {
     NSDictionary *attributes;
     pthread_mutex_lock(&_propertyMutex);
-    attributes = _attributes;
+    attributes = [_attributes copy];
     pthread_mutex_unlock(&_propertyMutex);
 
     return attributes;