spring.travel.site.auth.CookieEncoder.java Source code

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Here is the source code for spring.travel.site.auth.CookieEncoder.java

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/**
 * Copyright 2014 Andy Godwin
 *
 * 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 spring.travel.site.auth;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Map;
import java.util.stream.Collectors;

@Component
public class CookieEncoder {

    @Value("${session.cookieName:GETAWAY_SESSION}")
    private String cookieName;

    @Autowired
    private Signer signer;

    public String encode(Map<String, String> values) throws AuthException {
        String encoded = values.entrySet().stream()
                .map((entry) -> urlEncode(entry.getKey()) + "=" + urlEncode(entry.getValue()))
                .collect(Collectors.joining("&"));

        String signature = signer.sign(encoded);
        return cookieName + "=" + signature + "-" + encoded;
    }

    private String urlEncode(String arg) {
        try {
            return URLEncoder.encode(arg, "UTF-8");
        } catch (UnsupportedEncodingException bogus) {
            return arg;
        }
    }
}