org.italiangrid.storm.webdav.authz.util.CustomMethodAntPathRequestMatcher.java Source code

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Here is the source code for org.italiangrid.storm.webdav.authz.util.CustomMethodAntPathRequestMatcher.java

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/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare, 2014.
 *
 * 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.italiangrid.storm.webdav.authz.util;

import javax.servlet.http.HttpServletRequest;

import org.slf4j.Logger;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
import org.springframework.security.web.util.matcher.RequestMatcher;
import org.springframework.util.Assert;

public class CustomMethodAntPathRequestMatcher implements RequestMatcher {

    private static final Logger logger = org.slf4j.LoggerFactory.getLogger(CustomMethodAntPathRequestMatcher.class);

    private final String httpOrDAVMethod;
    private final AntPathRequestMatcher antMatcher;

    public CustomMethodAntPathRequestMatcher(String method, String pattern, boolean caseSensitive) {

        Assert.hasText(method, "Please provide a non-empty method");
        Assert.hasText(pattern, "Please provide a non-empty pattern.");

        this.httpOrDAVMethod = method;
        this.antMatcher = new AntPathRequestMatcher(pattern, null, caseSensitive);
    }

    @Override
    public boolean matches(HttpServletRequest request) {

        if (request.getMethod() != null && !request.getMethod().equals(httpOrDAVMethod)) {
            if (logger.isDebugEnabled()) {
                logger.debug("Request '" + request.getMethod() + " " + getRequestPath(request) + "'"
                        + " doesn't match '" + httpOrDAVMethod + " " + antMatcher.getPattern());
            }
            return false;
        }

        // Method matches, delegate down request match
        return antMatcher.matches(request);

    }

    private String getRequestPath(HttpServletRequest request) {

        String url = request.getServletPath();

        if (request.getPathInfo() != null) {
            url += request.getPathInfo();
        }

        return url;
    }
}