[incubator-weex] branch master updated: [iOS] Protect invalid rich-text data. (#1807)

[cx...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

cxfeng pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-weex.git


The following commit(s) were added to refs/heads/master by this push:
     new bdd5337  [iOS] Protect invalid rich-text data. (#1807)
bdd5337 is described below

commit bdd5337308cdf084fe975d71be93da76ceec93be
Author: wqyfavor <wq...@163.com>
AuthorDate: Fri Nov 23 14:33:50 2018 +0800

    [iOS] Protect invalid rich-text data. (#1807)
---
 ios/sdk/WeexSDK/Sources/Component/WXRichText.mm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/ios/sdk/WeexSDK/Sources/Component/WXRichText.mm b/ios/sdk/WeexSDK/Sources/Component/WXRichText.mm
index 833c7d4..c985d23 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 @@ do {\
 
 - (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];