This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# log4j jndi exploit CVE-2021-44228 filter | |
# Save this file as /etc/fail2ban/filter.d/log4j-jndi.conf | |
# then copy and uncomment the [log4j-jndi] section | |
# to /etc/fail2ban/jail.local | |
# | |
# jay@gooby.org | |
# https://jay.gooby.org/2021/12/13/a-fail2ban-filter-for-the-log4j-cve-2021-44228 | |
# https://gist.github.com/jaygooby/3502143639e09bb694e9c0f3c6203949 | |
# Thanks to https://gist.github.com/kocour for a better regex | |
# |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package com.example; | |
import com.fasterxml.jackson.core.JsonParser; | |
import com.fasterxml.jackson.core.ObjectCodec; | |
import com.fasterxml.jackson.databind.BeanProperty; | |
import com.fasterxml.jackson.databind.DeserializationContext; | |
import com.fasterxml.jackson.databind.JavaType; | |
import com.fasterxml.jackson.databind.JsonDeserializer; | |
import com.fasterxml.jackson.databind.JsonMappingException; | |
import com.fasterxml.jackson.databind.ObjectMapper; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import java.util.List; | |
@Data | |
public class ArrayOrObject<T> { | |
private List<T> data; | |
private Boolean isObject; | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class Beanutils{ | |
//merge two bean by discovering differences | |
private <M> void merge(M target, M destination) throws Exception { | |
BeanInfo beanInfo = Introspector.getBeanInfo(target.getClass()); | |
// Iterate over all the attributes | |
for (PropertyDescriptor descriptor : beanInfo.getPropertyDescriptors()) { | |
// Only copy writable attributes | |
if (descriptor.getWriteMethod() != null) { |