Spring boot redirect / -> /midpoint/ (MID-4486)

gui/admin-gui/src/main/java/com/evolveum/midpoint/web/boot/EmbeddedTomcatAutoConfiguration.java

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+/**
+ * Copyright (c) 2018 Evolveum
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.evolveum.midpoint.web.boot;
+
+import javax.servlet.Servlet;
+
+import org.apache.catalina.startup.Tomcat;
+import org.springframework.boot.autoconfigure.AutoConfigureOrder;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
+import org.springframework.boot.autoconfigure.condition.SearchStrategy;
+import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration.BeanPostProcessorsRegistrar;
+import org.springframework.boot.context.embedded.EmbeddedServletContainerFactory;
+import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.core.Ordered;
+
+import com.evolveum.midpoint.util.logging.Trace;
+import com.evolveum.midpoint.util.logging.TraceManager;
+
+/**
+ * @author semancik
+ *
+ */
+@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
+@Configuration
+@ConditionalOnWebApplication
+@Import(BeanPostProcessorsRegistrar.class)
+public class EmbeddedTomcatAutoConfiguration {
+
+	private static final Trace LOGGER = TraceManager.getTrace(EmbeddedTomcatAutoConfiguration.class);
+
+	@Configuration
+	@ConditionalOnClass({ Servlet.class, Tomcat.class })
+	@ConditionalOnMissingBean(value = EmbeddedServletContainerFactory.class, search = SearchStrategy.CURRENT)
+	public static class EmbeddedTomcat {
+
+		@Bean
+		public TomcatEmbeddedServletContainerFactory tomcatEmbeddedServletContainerFactory() {
+			return new MidPointTomcatEmbeddedServletContainerFactory();
+		}
+
+	}
+
+}

gui/admin-gui/src/main/java/com/evolveum/midpoint/web/boot/MidPointTomcatEmbeddedServletContainerFactory.java

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+/**
+11 * Copyright (c) 2018 Evolveum
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.evolveum.midpoint.web.boot;
+
+import org.apache.catalina.startup.Tomcat;
+import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer;
+import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
+
+import com.evolveum.midpoint.util.logging.Trace;
+import com.evolveum.midpoint.util.logging.TraceManager;
+
+/**
+ * @author semancik
+ *
+ */
+public class MidPointTomcatEmbeddedServletContainerFactory extends TomcatEmbeddedServletContainerFactory {
+
+	private static final Trace LOGGER = TraceManager.getTrace(MidPointTomcatEmbeddedServletContainerFactory.class);
+
+	@Override
+	protected TomcatEmbeddedServletContainer getTomcatEmbeddedServletContainer(Tomcat tomcat) {
+
+		// TODO: doc
+
+		RootRootContext rootRootContext = new RootRootContext();
+		tomcat.getHost().addChild(rootRootContext);
+
+		return super.getTomcatEmbeddedServletContainer(tomcat);
+	}
+
+
+
+}

gui/admin-gui/src/main/java/com/evolveum/midpoint/web/boot/RootRootContext.java

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+/**
+ * Copyright (c) 2018 Evolveum
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.evolveum.midpoint.web.boot;
+
+import org.apache.catalina.LifecycleException;
+import org.apache.catalina.core.StandardContext;
+
+/**
+ * Fake root context
+ * @author semancik
+ */
+public class RootRootContext extends StandardContext {
+
+	public RootRootContext() {
+		super();
+		setPath("");
+		setDisplayName("RootRoot");
+	}
+
+	// HAck
+	@Override
+	public void resourcesStart() throws LifecycleException {
+		super.resourcesStart();
+		setConfigured(true);
+	}
+
+}

gui/admin-gui/src/main/java/com/evolveum/midpoint/web/boot/TomcatRootValve.java

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+/*
+ * Copyright (c) 2018 Evolveum
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.evolveum.midpoint.web.boot;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+
+import org.apache.catalina.Context;
+import org.apache.catalina.connector.Request;
+import org.apache.catalina.connector.Response;
+import org.apache.catalina.valves.ValveBase;
+
+import com.evolveum.midpoint.util.logging.Trace;
+import com.evolveum.midpoint.util.logging.TraceManager;
+
+public class TomcatRootValve extends ValveBase {
+
+	private static final Trace LOGGER = TraceManager.getTrace(TomcatRootValve.class);
+
+	@Override
+	public void invoke(Request request, Response response) throws IOException, ServletException {
+
+		Context context = request.getContext();
+		if (context instanceof RootRootContext) {
+			LOGGER.trace("Redirecting {} to real application root", request.getContextPath());
+			response.sendRedirect("/midpoint");
+			return;
+		}
+
+		getNext().invoke(request, response);
+	}
+
+}