content: package com.alibaba.datax.common.util;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.Set;
  
  import org.apache.commons.lang3.StringUtils;
  
  public class ConfigurationUtil {
      private static final List<String> SENSITIVE_KEYS = Arrays.asList("password", "accessKey", "securityToken",
          "AccessKeyId", "AccessKeySecert", "AccessKeySecret", "clientPassword");
  
      public static Configuration filterSensitive(Configuration origin) {
          // shell 任务configuration metric 可能为null。
          if (origin == null) {
              return origin;
          }
          // 确保不影响入参的对象
          Configuration configuration = origin.clone();
          Set<String> keys = configuration.getKeys();
          for (final String key : keys) {
              boolean isSensitive = false;
              for (String sensitiveKey : SENSITIVE_KEYS) {
                  if (StringUtils.endsWithIgnoreCase(key, sensitiveKey)) {
                      isSensitive = true;
                      break;
                  }
              }
  
              if (isSensitive && configuration.get(key) instanceof String) {
                  configuration.set(key, configuration.getString(key).replaceAll(".", "*"));
              }
  
          }
          return configuration;
      }
  }