Fix XXE lesson, the exact .webgoat directory including version number will be put in the lesson.

webgoat-container/src/main/java/org/owasp/webgoat/asciidoc/WebGoatVersionMacro.java

@@ -0,0 +1,23 @@
+package org.owasp.webgoat.asciidoc;
+
+import org.asciidoctor.ast.AbstractBlock;
+import org.asciidoctor.extension.InlineMacroProcessor;
+import org.springframework.core.env.Environment;
+import org.springframework.util.StringUtils;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.Map;
+
+public class WebGoatVersionMacro extends InlineMacroProcessor {
+
+    public WebGoatVersionMacro(String macroName, Map<String, Object> config) {
+        super(macroName, config);
+    }
+
+    @Override
+    protected String process(AbstractBlock parent, String target, Map<String, Object> attributes) {
+        return EnvironmentExposure.getEnv().getProperty("webgoat.build.version");
+    }
+}