Customizing Tomcat Directory Listings

https://tomcat.apache.org/tomcat-9.0-doc/default-servlet.html

 

Apache Tomcat 9 (9.0.58) - Default Servlet Reference

 

톰캣 공식 문서를 참조했다. 

 

1. 특정 Application에서만 디렉토리를 열어주기 위해 Web Application의 web.xml에 아래와 같이 추가함.

<!-- /WEB-INF/web.xml에 추가함-->

	<servlet>
        <servlet-name>default</servlet-name>
        <servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
        <init-param>
            <param-name>debug</param-name>
            <param-value>0</param-value>
        </init-param>
        <init-param>
            <param-name>listings</param-name>
            <param-value>true</param-value><!--이부분을 true로 해준다-->
        </init-param>
        <init-param>
            <param-name>sortListings</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>sortDirectoriesFirst</param-name>
            <param-value>true</param-value><!--디렉토리를 먼저 보여줌-->
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

 

web.xml에 listings를 true로 했을때

 

 

 

급하게 톰캣의 디렉토리를 임시적으로 오픈해줘야할 상황이 생겨서 위와 같이 조치했지만, 타임존이 위와같이 GMT로 되어있다. 

 

이걸 GMT+9:00으로 바꿔보려 옵션을 찾아봤는데 의외로 쉬운일이 아니었음.

 

톰캣에서 사용하는 클래스를 찾아보니 포맷과 언어 TimeZone이 모두 하드코딩되어 있어서, 옵션처리는 처음부터 안되는 거.

 

	
    //org.apache.tomcat.util.http.FastHttpDateFormat 의 일부
    
    static {
		TimeZone tz = TimeZone.getTimeZone("GMT");
		FORMAT_RFC5322 = new ConcurrentDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US, tz);
		FORMAT_OBSOLETE_RFC850 = new ConcurrentDateFormat("EEEEEE, dd-MMM-yy HH:mm:ss zzz", Locale.US, tz);
		FORMAT_OBSOLETE_ASCTIME = new ConcurrentDateFormat("EEE MMMM d HH:mm:ss yyyy", Locale.US, tz);
		httpParseFormats = new ConcurrentDateFormat[]{FORMAT_RFC5322, FORMAT_OBSOLETE_RFC850, FORMAT_OBSOLETE_ASCTIME};
		currentDateGenerated = 0L;
		currentDate = null;
		formatCache = new ConcurrentHashMap(CACHE_SIZE);
		parseCache = new ConcurrentHashMap(CACHE_SIZE);
	}

 

 

 

 

 

 

그래서 아래 사이트를 참조하여 xslt에서 String을 Date로 파싱후 다시 새로운 포맷으로 출력하는 방식으로 처리함.

 

 

https://stackoverflow.com/questions/63717866/how-to-convert-datetime-from-one-timezone-to-another-in-xslt

How to Convert dateTime from one timeZone to another in XSLT

 

 

1. contextXsltFile를 사용함.

    <servlet>
        <servlet-name>default</servlet-name>
        <servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
        <init-param>
            <param-name>debug</param-name>
            <param-value>0</param-value>
        </init-param>
        <init-param>
            <param-name>listings</param-name>
            <param-value>true</param-value>
        </init-param>
<!-- 새롭게 추가된 부분 -->
        <init-param>
            <param-name>contextXsltFile</param-name>
            <param-value>/WEB-INF/myDirectory.xslt</param-value>
        </init-param>
<!-- 새롭게 추가된 부분 -->
        <init-param>
            <param-name>sortListings</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>sortDirectoriesFirst</param-name>
            <param-value>true</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

 

2. /WEB-INF/myDirectory.xslt

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="3.0"
                xmlns:tz="java.util.TimeZone" 
                xmlns:lc="java.util.Locale"
                xmlns:cdf="org.apache.tomcat.util.http.ConcurrentDateFormat"
                xmlns:java="http://xml.apache.org/xalan/java"
                exclude-result-prefixes="xsl tz lc cdf java">
<!-- 선언부에 import 설정-->

  <xsl:output method="html" html-version="5.0" encoding="UTF-8" indent="no" doctype-system="about:legacy-compat"/>
  <xsl:template match="listing">
   <html>
    <head>
      <title>[<xsl:value-of select="@directory"/>] 디렉토리 목록</title>
      <style>
        body {font-family:'Malgun Gothic', '맑은 고딕', Arial, sans-serif;
              color:black;background-color:white;} 
        h1, h2, h3, b {color:white; background-color:#3e3832;}
        h1 {font-size:22px}
        h2 {font-size:16px}
        h3 {font-size:14px}
        a {color : black;}
        h1 a {color:white;}
        p {font-size:12px;}
        pre{margin:0}
        HR {height:1px;background:#525D76;border:none;color:#0086b2;}
        table {border:1px solid #dae1e6; border-collapse:collapse;}
        th, td {border:1px solid #dae1e6;vertical-align:middle;padding:5px;height:25px}
        th {text-align:center;background-color:#fcf3eb;}
      </style>
    </head>
    <body>
      <h1>
        ContextPath : [<xsl:value-of select="@contextPath"/>] 
        디렉토리명 : [<xsl:value-of name="directory" select="@directory"/>]
      </h1>  
      <hr/>
      <table style="width: 100%;">
        <colgroup>
          <col style="width:auto"/>
          <col style="width:200px"/>
          <col style="width:100px"/>
          <col style="width:100px"/>
        </colgroup>
        <tr>
          <th>이름</th>
          <th>수정한 날짜</th>
          <th>유형</th>
          <th>크기</th> 
        </tr>
        <xsl:if test="@directory != '' ">
            <tr>
              <td><a href="../"><pre>[..] 상위폴더로 이동</pre></a></td>
              <td></td>
              <td></td>
              <td></td>
            </tr>
        </xsl:if>
        <xsl:apply-templates select="entries"/>
      </table>
      <xsl:apply-templates select="readme"/>
      <hr/>
    </body>
   </html>
  </xsl:template>

  <xsl:template match="entries">
    <xsl:apply-templates select="entry">
        <xsl:sort select="@type"/><!--폴더가 먼저 보이도록 정렬-->
    </xsl:apply-templates>
  </xsl:template>

  <xsl:template match="readme">
    <hr/>
    <pre><xsl:apply-templates/></pre>
  </xsl:template>

  <xsl:template match="entry">
    <tr>
      <td style="text-align: left;">
        <xsl:variable name="urlPath" select="@urlPath"/>
        <a href="{$urlPath}">
          <pre><xsl:apply-templates/></pre>
        </a>
      </td>
      <td style="text-align: center;">
        <!-- 날짜 TimeZone 변경-->
        <xsl:variable name="inFormat"  select="cdf:new('EEE, dd MMM yyyy HH:mm:ss z', lc:new('en', 'US'), tz:getTimeZone('GMT'))" />
        <xsl:variable name="inDate" select="cdf:parse($inFormat, @date)"/>
        <xsl:variable name="outFormat"  select="cdf:new('yyyy-MM-dd(EEE) HH:mm:ss', lc:new('ko', 'KR'), tz:getTimeZone('Asia/Seoul'))" />
        <pre><xsl:value-of select="cdf:format($outFormat, $inDate)" /></pre> 
      </td>
      <td style="text-align: center;">
        <pre><xsl:value-of select="@type"/></pre>
      </td>
      <td style="text-align: right;">
        <pre><xsl:value-of select="@size"/></pre>
      </td>
    </tr>
  </xsl:template>

</xsl:stylesheet>

 

날짜와 시간을 한국기준으로 변경함.

 

 

아쉬운거는 xsl을 사용하면 sortListings, sortDirectoriesFirst 옵션이 무시돼서 xsl에서 별도로 sorting을 해줘야 한다는 점?