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View Code? Open in Web Editor NEWA very simple JSON parsing and stringifying library with defaults that I like
License: MIT License
A very simple JSON parsing and stringifying library with defaults that I like
License: MIT License
Using Json.stringify(Object obj) parse unlimited arrays to json string throw StackOverflowError,which may be vulnerable to denial of service (DOS) attacks.
Exception in thread "main" java.lang.StackOverflowError
at java.base/java.lang.invoke.DirectMethodHandle.allocateInstance(DirectMethodHandle.java:520)
at com.grunka.json.Json.valuefy(Json.java:339)
at com.grunka.json.Json.lambda$valuefy$4(Json.java:339)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
at com.grunka.json.Json.valuefy(Json.java:339)
at com.grunka.json.Json.lambda$valuefy$4(Json.java:339)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
at com.grunka.json.Json.valuefy(Json.java:339)
at com.grunka.json.Json.lambda$valuefy$4(Json.java:339)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
at com.grunka.json.Json.valuefy(Json.java:339)
at com.grunka.json.Json.lambda$valuefy$4(Json.java:339)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
...
at com.grunka.json.Json.valuefy(Json.java:339)
at com.grunka.json.Json.lambda$valuefy$4(Json.java:339)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
<= 1.6
pom:
<dependency>
<groupId>com.grunka.json</groupId>
<artifactId>json</artifactId>
<version>1.6</version>
</dependency>
code:
import com.grunka.json.Json;
import java.util.ArrayList;
import java.util.List;
public class GrunkaJsonTest {
public static void main(String[] args) {
List<Object> list = new ArrayList<>();
list.add(list);
Json.stringify(list);
}
}
1.Refer to the solution of jackson-databind: Add the depth variable to record the current parsing depth. If the parsing depth exceeds a certain threshold, an exception is thrown. (FasterXML/jackson-databind@fcfc499)
2.Refer to the GSON solution: Change the recursive processing on deeply nested arrays or JSON objects to stack+iteration processing.(google/gson@2d01d6a)
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