cherry.foundation.springmvc.CsrfRequestMatcher.java Source code

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Here is the source code for cherry.foundation.springmvc.CsrfRequestMatcher.java

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/*
 * Copyright 2014,2015 agwlvssainokuni
 *
 * 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 cherry.foundation.springmvc;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;

import javax.servlet.http.HttpServletRequest;

import org.springframework.security.web.util.matcher.RequestMatcher;

public class CsrfRequestMatcher implements RequestMatcher {

    private Pattern allowedMethods = Pattern.compile("^(GET|HEAD|TRACE|OPTIONS)$", Pattern.CASE_INSENSITIVE);

    private List<RequestMatcher> excludes = new ArrayList<>();

    public void setAllowedMethods(Pattern allowedMethods) {
        this.allowedMethods = allowedMethods;
    }

    public void setExcludes(List<RequestMatcher> excludes) {
        this.excludes = excludes;
    }

    @Override
    public boolean matches(HttpServletRequest request) {
        if (allowedMethods.matcher(request.getMethod()).matches()) {
            return false;
        }
        for (RequestMatcher matcher : excludes) {
            if (matcher.matches(request)) {
                return false;
            }
        }
        return true;
    }

}