清理 Tomcat 访问日志条目

发布于 2024-11-03 11:00:45 字数 174 浏览 5 评论 0原文

在我们的日志中,我们看到信用卡号码是由于人们使用 CC 信息点击我们应用程序中的一些 ULR(我不知道他们为什么这样做)。我们希望清理这些信息(出于 PCI 考虑),甚至不将其保存到磁盘。

因此,我希望能够在日志条目到达日志文件之前对其进行清理。我一直在研究 Tomcat Valves(访问日志阀)。这是要走的路吗?

In our logs we're seeing credit-card numbers due to people hitting some of the ULRs in our app with CC info (I have no idea why they are doing this). We want to sanitize this information (because of PCI considerations) and not even persist it to disk.

Hence, I want to be able to sanitize the log entry before it hits the log file. I've been looking at Tomcat Valves (Access Log Valve). Is this the way to go?

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难理解 2024-11-10 11:00:45

我能够通过扩展 解决这个问题AccessLogValve 并覆盖 < code>public log(java.lang.String message)

public class SanitizedAccessLogValve extends AccessLogValve {

    private static Pattern pattern = Pattern.compile("\\b(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11})\\b");

    /*
     This method will sanitize any cc numbers in the string and replace them with x's
    */
    private String sanitize(String string) {
        String sanitizedString = string;

        if(string != null) {

            StringBuffer buffer = new StringBuffer();
            Matcher matcher = pattern.matcher(string);

            while(matcher.find()) {
                MatchResult matchResult = matcher.toMatchResult();

                int start = matchResult.start();
                int end = matchResult.end();

                String matchedText = string.substring(start, end);

                matcher.appendReplacement(buffer, "xxxxxxxxxxxxxxxx");                
            }

            matcher.appendTail(buffer);

            sanitizedString = buffer.toString();
        }

        return sanitizedString;
    }

    @Override
    public void log(String message) {
        super.log(sanitize(message));
    }
}

您需要将其编译成 jar,然后将该 jar 文件放入 $CATALINA_HOME/lib 中。

然后在您的 server.xml 中:

<Valve className="my.valves.SanitizedAccessLogValve"
       directory="access_logs"  prefix="localhost." suffix=".log"
       pattern='%v %h %t "%r" %s %B %T "%{User-Agent}i"'/>

I was able to solve this problem by extending AccessLogValve and overriding public log(java.lang.String message):

public class SanitizedAccessLogValve extends AccessLogValve {

    private static Pattern pattern = Pattern.compile("\\b(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11})\\b");

    /*
     This method will sanitize any cc numbers in the string and replace them with x's
    */
    private String sanitize(String string) {
        String sanitizedString = string;

        if(string != null) {

            StringBuffer buffer = new StringBuffer();
            Matcher matcher = pattern.matcher(string);

            while(matcher.find()) {
                MatchResult matchResult = matcher.toMatchResult();

                int start = matchResult.start();
                int end = matchResult.end();

                String matchedText = string.substring(start, end);

                matcher.appendReplacement(buffer, "xxxxxxxxxxxxxxxx");                
            }

            matcher.appendTail(buffer);

            sanitizedString = buffer.toString();
        }

        return sanitizedString;
    }

    @Override
    public void log(String message) {
        super.log(sanitize(message));
    }
}

You need to compile this into a jar, and then put that jar file in $CATALINA_HOME/lib.

Then in your server.xml:

<Valve className="my.valves.SanitizedAccessLogValve"
       directory="access_logs"  prefix="localhost." suffix=".log"
       pattern='%v %h %t "%r" %s %B %T "%{User-Agent}i"'/>
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