/**
* Copyright 2016 vip.com.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* </p>
*/
package com.vip.saturn.job.utils;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.google.common.base.Function;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
/**
* 敏感信息过滤工具类.
*
* @author caohao
*/
public final class SensitiveInfoUtils {
public static List<String> filterSenstiveIps(final List<String> result) {
final Map<String, String> fakeIpMap = new HashMap<>();
final String fakeIpSample = "ip";
final AtomicInteger step = new AtomicInteger();
Function<String, String> func = new Function<String, String>() {
@Override
public String apply(final String line) {
final String regex = "\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}";
final Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(line);
String result = line;
while (matcher.find()) {
String realIp = matcher.group();
String fakeIp = fakeIpMap.get(realIp);
if (Strings.isNullOrEmpty(fakeIp)) {
fakeIp = fakeIpSample + step.incrementAndGet();
fakeIpMap.put(realIp, fakeIp);
}
result = result.replace(realIp, fakeIp);
}
return result;
}
};
return Lists.transform(result, func);
}
}