adjust-conf-files.xsl

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:exist="http://exist.sourceforge.net/NS/exist"
    xmlns:log4j="http://jakarta.apache.org/log4j/"
    xmlns:webapp="http://xmlns.jcp.org/xml/ns/javaee"
    exclude-result-prefixes="xs exist log4j webapp"
    version="2.0">
    
    <!--
        script for modifying eXist-db conf files
        to the WeGA needs
    -->
    
    <xsl:param name="env"/>
    <xsl:param name="context_path"/>
    <xsl:param name="default_app_path"/>
    
    <!-- needed servlets -->
    <!-- wird das ResourceServlet wirklich benötigt? Ja, für Dashboard etc-->
    <!-- 'org.exist.xmlrpc.RpcServlet' und 'JMXServlet' werden für Produktiv-Einsatz nicht benötigt -->
    <xsl:variable name="production-servlets" as="xs:string+" select="(
        'ResourceServlet',
        'EXistServlet',
        'XQueryServlet',
        'XQueryURLRewrite'
        )"/>

    <!-- 
        copy over DOCTYPE instructions
        adopted from https://stackoverflow.com/questions/51432291/copy-entire-doctype-tag-from-input-document-using-xslt-2-0
    -->
    <xsl:template match="/">
        <xsl:variable name="unparsed-text">
            <xsl:value-of disable-output-escaping="yes" 
                select="unparsed-text(base-uri())"/>
        </xsl:variable>
        <xsl:if test="matches($unparsed-text, '&lt;!DOCTYPE')">
            <xsl:value-of disable-output-escaping="yes" 
                select="replace(
                $unparsed-text, 
                '.*?(\n?&lt;!DOCTYPE\s.*?>\s*).*', 
                '$1', 
                's')"/>
        </xsl:if>
        <xsl:apply-templates/>
    </xsl:template>

    <xsl:template match="node()|@*">
        <xsl:copy>
            <xsl:apply-templates select="node()|@*"/>
        </xsl:copy>
    </xsl:template>

    <!-- 
        +++++++++++++++++++++++++++++++++++++++++
        $exist.home$/conf.xml
        +++++++++++++++++++++++++++++++++++++++++
    -->
    <xsl:template match="@preserve-whitespace-mixed-content[parent::indexer]">
        <xsl:attribute name="preserve-whitespace-mixed-content" select="'yes'"/>
    </xsl:template>
    
    <xsl:template match="@caching[parent::transformer]">
        <xsl:attribute name="caching">
            <xsl:choose>
                <xsl:when test="$env eq 'production'">yes</xsl:when>
                <xsl:otherwise>no</xsl:otherwise>
            </xsl:choose>
        </xsl:attribute>
    </xsl:template>
    
    <xsl:template match="@indent[parent::serializer]">
        <xsl:attribute name="indent" select="'no'"/>
    </xsl:template>
    
    <!-- 
        +++++++++++++++++++++++++++++++++++++++++
        $exist.home$/webapp/WEB-INF/controller-config.xml
        +++++++++++++++++++++++++++++++++++++++++
    -->
    <xsl:template match="exist:forward">
        <xsl:if test="$env ne 'production' or @servlet = $production-servlets">
            <xsl:copy>
                <xsl:apply-templates select="node()|@*"/>
            </xsl:copy>
        </xsl:if>
    </xsl:template>
    
    <xsl:template match="exist:root">
        <xsl:choose>
            <xsl:when test="@pattern = '/apps'">
                <xsl:copy>
                    <xsl:apply-templates select="@*"/>
                </xsl:copy>
            </xsl:when>
            <xsl:when test="@pattern = '.*' and not($default_app_path)">
                <xsl:copy>
                    <xsl:apply-templates select="@*"/>
                </xsl:copy>
            </xsl:when>
            <xsl:when test="@pattern = '.*' and $default_app_path">
                <root pattern=".*" path="{$default_app_path}" xmlns="http://exist.sourceforge.net/NS/exist"/>
            </xsl:when>
        </xsl:choose>
    </xsl:template>
    
    <!--
        +++++++++++++++++++++++++++++++++++++++++
        $exist.home$/tools/jetty/webapps/exist-webapp-context.xml
        +++++++++++++++++++++++++++++++++++++++++
    -->
    <xsl:template match="Set[@name='contextPath' and $context_path]">
        <xsl:copy>
            <xsl:attribute name="name" select="'contextPath'"/>
            <xsl:value-of select="$context_path"/>
        </xsl:copy>
    </xsl:template>
    
    <!-- 
        +++++++++++++++++++++++++++++++++++++++++
        $exist.home$/webapp/WEB-INF/web.xml
        +++++++++++++++++++++++++++++++++++++++++
    -->
    <xsl:template match="webapp:servlet[not(
            webapp:servlet-name = $production-servlets 
            or $env = 'development' 
            or (webapp:servlet-name = 'RestXqServlet' and $env = 'restxq'))
            ]"/>
    
    <xsl:template match="webapp:servlet-mapping[not(webapp:servlet-name = 'XQueryURLRewrite' or $env = 'development')]"/>
    
    <!-- for the restxq-only experience we hijack the XQueryURLRewrite servlet-mapping (which defaults to '/*') -->
    <xsl:template match="webapp:servlet-name[parent::webapp:servlet-mapping][$env = 'restxq']">
        <xsl:copy>RestXqServlet</xsl:copy>
    </xsl:template>
    
    <xsl:template match="webapp:filter[$env ne 'development']"/>
    
    <xsl:template match="webapp:filter-mapping[$env ne 'development']"/>
    
    <xsl:template match="webapp:login-config[$env ne 'development']"/>
    
    <xsl:template match="webapp:context-param[$env ne 'development']"/>
    
    <xsl:template match="webapp:listener[$env ne 'development']"/>
    
    <xsl:template match="webapp:init-param[webapp:param-name = 'hidden' and $env ne 'development']">
        <!-- Deny direct access to the REST interface -->
        <xsl:copy>
            <xsl:element name="param-name" namespace="http://xmlns.jcp.org/xml/ns/javaee">
                <xsl:text>hidden</xsl:text>
            </xsl:element>
            <xsl:element name="param-value" namespace="http://xmlns.jcp.org/xml/ns/javaee">
                <xsl:text>true</xsl:text>
            </xsl:element>
        </xsl:copy>
    </xsl:template>
    
    <xsl:template match="webapp:init-param[webapp:param-name = ('xquery-submission', 'xupdate-submission') and $env ne 'development']">
        <!-- Deny XQuery submissions and updates via the REST interface -->
        <xsl:copy>
            <xsl:element name="param-name" namespace="http://xmlns.jcp.org/xml/ns/javaee">
                <xsl:value-of select="webapp:param-name"/>
            </xsl:element>
            <xsl:element name="param-value" namespace="http://xmlns.jcp.org/xml/ns/javaee">
                <xsl:text>disabled</xsl:text>
            </xsl:element>
        </xsl:copy>
    </xsl:template>
    
    <!-- 
        +++++++++++++++++++++++++++++++++++++++++
        $exist.home$/log4j2.xml
        +++++++++++++++++++++++++++++++++++++++++
    -->
    
    <xsl:template match="Logger[@name='wega.webapp'][$env ne 'production']">
        <xsl:copy>
            <xsl:apply-templates select="@* except @level"/>
            <xsl:attribute name="level">trace</xsl:attribute>
            <xsl:apply-templates/>
        </xsl:copy>
    </xsl:template>

    <!-- 
        +++++++++++++++++++++++++++++++++++++++++
        $exist.home$/etc/jetty/jetty.xml
        +++++++++++++++++++++++++++++++++++++++++
        
        add ForwardedRequestCustomizer to the Jetty configuration
        to properly process the X-Forward-For and related proxy headers
        https://github.com/peterstadler/existdb-docker/issues/6
    -->

    <xsl:template match="New[@class='org.eclipse.jetty.server.HttpConfiguration']">
        <xsl:copy>
            <xsl:apply-templates select="node()|@*"/>
            <Call name="addCustomizer">
                <Arg><New class="org.eclipse.jetty.server.ForwardedRequestCustomizer"/></Arg>
            </Call>
        </xsl:copy>
    </xsl:template>

</xsl:stylesheet>