org.springframework.security.web.access.RequestMatcherDelegatingAccessDeniedHandler Maven / Gradle / Ivy
/*
* Copyright 2002-2018 the original author or authors.
*
* 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 org.springframework.security.web.access;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map.Entry;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.util.matcher.RequestMatcher;
import org.springframework.util.Assert;
/**
* An {@link AccessDeniedHandler} that delegates to other {@link AccessDeniedHandler}
* instances based upon the type of {@link HttpServletRequest} passed into
* {@link #handle(HttpServletRequest, HttpServletResponse, AccessDeniedException)}.
*
* @author Josh Cummings
* @since 5.1
*
*/
public final class RequestMatcherDelegatingAccessDeniedHandler implements AccessDeniedHandler {
private final LinkedHashMap handlers;
private final AccessDeniedHandler defaultHandler;
/**
* Creates a new instance
*
* @param handlers a map of {@link RequestMatcher}s to
* {@link AccessDeniedHandler}s that should be used. Each is considered in the order
* they are specified and only the first {@link AccessDeniedHandler} is used.
* @param defaultHandler the default {@link AccessDeniedHandler} that should be used
* if none of the matchers match.
*/
public RequestMatcherDelegatingAccessDeniedHandler(
LinkedHashMap handlers,
AccessDeniedHandler defaultHandler) {
Assert.notEmpty(handlers, "handlers cannot be null or empty");
Assert.notNull(defaultHandler, "defaultHandler cannot be null");
this.handlers = new LinkedHashMap<>(handlers);
this.defaultHandler = defaultHandler;
}
public void handle(HttpServletRequest request, HttpServletResponse response,
AccessDeniedException accessDeniedException) throws IOException,
ServletException {
for (Entry entry : this.handlers
.entrySet()) {
RequestMatcher matcher = entry.getKey();
if (matcher.matches(request)) {
AccessDeniedHandler handler = entry.getValue();
handler.handle(request, response, accessDeniedException);
return;
}
}
defaultHandler.handle(request, response, accessDeniedException);
}
}