ARTEMIS-2663 Add customizer support for the embedded web server

artemis-dto/src/main/java/org/apache/activemq/artemis/dto/WebServerDTO.java

@@ -47,6 +47,9 @@ public class WebServerDTO extends ComponentDTO {
    @XmlAttribute
    public String trustStorePath;
 
+   @XmlAttribute
+   public String customizer;
+
    @XmlElementRef
    public List<AppDTO> apps;
 

artemis-web/src/main/java/org/apache/activemq/artemis/ActiveMQWebLogger.java

@@ -58,4 +58,8 @@ public interface ActiveMQWebLogger extends BasicLogger {
    @LogMessage(level = Logger.Level.INFO)
    @Message(id = 241004, value = "Artemis Console available at {0}", format = Message.Format.MESSAGE_FORMAT)
    void consoleAvailable(String bind);
+
+   @LogMessage(level = Logger.Level.WARN)
+   @Message(id = 244005, value = "Web customizer {0} not loaded: {1}", format = Message.Format.MESSAGE_FORMAT)
+   void customizerNotLoaded(String customizer, Throwable t);
 }

artemis-web/src/main/java/org/apache/activemq/artemis/component/WebServerComponent.java

@@ -68,6 +68,16 @@ public class WebServerComponent implements ExternalComponent {
       server = new Server();
       String scheme = uri.getScheme();
 
+      HttpConfiguration httpConfiguration = new HttpConfiguration();
+
+      if (webServerConfig.customizer != null) {
+         try {
+            httpConfiguration.addCustomizer((HttpConfiguration.Customizer) Class.forName(webServerConfig.customizer).getConstructor().newInstance());
+         } catch (Throwable t) {
+            ActiveMQWebLogger.LOGGER.customizerNotLoaded(webServerConfig.customizer, t);
+         }
+      }
+
       if ("https".equals(scheme)) {
          SslContextFactory.Server sslFactory = new SslContextFactory.Server();
          sslFactory.setKeyStorePath(webServerConfig.keyStorePath == null ? artemisInstance + "/etc/keystore.jks" : webServerConfig.keyStorePath);
@@ -96,17 +106,15 @@ public class WebServerComponent implements ExternalComponent {
 
          SslConnectionFactory sslConnectionFactory = new SslConnectionFactory(sslFactory, "HTTP/1.1");
 
-         HttpConfiguration https = new HttpConfiguration();
-         https.addCustomizer(new SecureRequestCustomizer());
-         https.setSendServerVersion(false);
-         HttpConnectionFactory httpFactory = new HttpConnectionFactory(https);
+         httpConfiguration.addCustomizer(new SecureRequestCustomizer());
+         httpConfiguration.setSendServerVersion(false);
+         HttpConnectionFactory httpFactory = new HttpConnectionFactory(httpConfiguration);
 
          connector = new ServerConnector(server, sslConnectionFactory, httpFactory);
 
       } else {
-         HttpConfiguration configuration = new HttpConfiguration();
-         configuration.setSendServerVersion(false);
-         ConnectionFactory connectionFactory = new HttpConnectionFactory(configuration);
+         httpConfiguration.setSendServerVersion(false);
+         ConnectionFactory connectionFactory = new HttpConnectionFactory(httpConfiguration);
          connector = new ServerConnector(server, connectionFactory);
       }
       connector.setPort(uri.getPort());

docs/user-manual/en/web-server.md

@@ -26,6 +26,7 @@ The `web` element has the following attributes:
 - `path` The name of the subdirectory in which to find the web application
   archives (i.e. WAR files). This is a subdirectory of the broker's home or
   instance directory.
+- `customizer` The name of customizer class to load.
 - `clientAuth` Whether or not clients should present an SSL certificate when
   they connect. Only applicable when using `https`.
 - `passwordCodec` The custom coded to use for unmasking the `keystorePassword`