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Code Issues Releases Activity

Limit nesting depth

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This commit is contained in:
Jordan Liggitt
2019-10-08 11:17:01 -04:00
parent 819acad769
commit eec24895fe
7 changed files with 361 additions and 6 deletions
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5
reflect.go
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@ -60,6 +60,7 @@ func (b *ctx) append(prefix string) *ctx {
// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal
func (iter *Iterator) ReadVal(obj interface{}) {
depth := iter.depth
cacheKey := reflect2.RTypeOf(obj)
decoder := iter.cfg.getDecoderFromCache(cacheKey)
if decoder == nil {
@ -76,6 +77,10 @@ func (iter *Iterator) ReadVal(obj interface{}) {
return
}
decoder.Decode(ptr, iter)
if iter.depth != depth {
iter.ReportError("ReadVal", "unexpected mismatched nesting")
return
}
}
// WriteVal copy the go interface into underlying JSON, same as json.Marshal