cxfeng1 closed pull request #1807: [iOS] Protect invalid rich-text data.
URL: https://github.com/apache/incubator-weex/pull/1807
 
 
   

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diff --git a/ios/sdk/WeexSDK/Sources/Component/WXRichText.mm 
b/ios/sdk/WeexSDK/Sources/Component/WXRichText.mm
index 833c7d48af..c985d23fcd 100644
--- a/ios/sdk/WeexSDK/Sources/Component/WXRichText.mm
+++ b/ios/sdk/WeexSDK/Sources/Component/WXRichText.mm
@@ -25,6 +25,7 @@
 #import "WXComponent+Layout.h"
 #import "WXNavigationProtocol.h"
 #import "WXImgLoaderProtocol.h"
+#import "WXLog.h"
 #include <pthread/pthread.h>
 
 @interface WXRichNode : NSObject
@@ -214,6 +215,16 @@ - (void)fillAttributes:(NSDictionary *)attributes 
toNode:(WXRichNode *)node supe
 
 - (void)recursivelyAddChildNode:(NSDictionary *)nodeValue 
toSuperNode:(WXRichNode *)superNode
 {
+    if (![nodeValue isKindOfClass:[NSDictionary class]]) {
+        WXLogError(@"Invalid rich text structure.");
+        return;
+    }
+    
+    if (![nodeValue[@"type"] isKindOfClass:[NSString class]]) {
+        WXLogError(@"Invalid rich text structure.");
+        return;
+    }
+    
     WXRichNode *node = [[WXRichNode alloc]init];
     [_richNodes addObject:node];
     


 

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