fr.paris.lutece.plugins.mylutece.modules.oauth.authentication.JSONCredentialRetriever.java Source code

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Here is the source code for fr.paris.lutece.plugins.mylutece.modules.oauth.authentication.JSONCredentialRetriever.java

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/*
 * Copyright (c) 2002-2014, Mairie de Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.plugins.mylutece.modules.oauth.authentication;

import fr.paris.lutece.portal.service.security.LuteceUser;
import fr.paris.lutece.portal.service.util.AppLogService;

import net.sf.json.JSONObject;

import org.apache.http.HttpResponse;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import java.util.Map.Entry;

/**
 * Parses JSON to retrieve credentials.<br>
 * Uses {@link AbstractOAuthCredentialsRetriever#getTags()}
 * @see AbstractOAuthCredentialsRetriever
 */
public class JSONCredentialRetriever extends AbstractOAuthCredentialsRetriever {
    /**
     *
     *{@inheritDoc}
     */
    public void doRetrieveUserInfo(HttpResponse httpResponse, OAuthUser user) {
        JSONObject json = JSONObject.fromObject(readResponse(httpResponse));

        for (Entry<String, String[]> entry : getTags().entrySet()) {
            String strKey = entry.getKey();

            for (String strJSONKey : entry.getValue()) {
                if (json.containsKey(strJSONKey)) {
                    String strValue = json.getString(strJSONKey);

                    if (AppLogService.isDebugEnabled()) {
                        AppLogService.debug("Retrieved " + strValue + " for " + entry.getKey());
                    }

                    user.setUserInfo(strKey, strValue);

                    if (LuteceUser.NAME_GIVEN.equals(strKey)) {
                        user.setName(strValue);
                    }

                    break;
                }
            }
        }
    }

    /**
     * Reads the responses and returns it as String
     * @param httpResponse the response to read
     * @return the String.
     */
    private String readResponse(HttpResponse httpResponse) {
        BufferedReader buffer = null;
        try {
            StringBuilder sbResponse = new StringBuilder();
            InputStreamReader streamReader = new InputStreamReader(httpResponse.getEntity().getContent());

            buffer = new BufferedReader(streamReader);

            String line = buffer.readLine();

            while (line != null) {
                sbResponse.append(line);
                line = buffer.readLine();
            }

            return sbResponse.toString();
        } catch (IllegalStateException e) {
            AppLogService.error(e.getMessage(), e);
        } catch (IOException e) {
            AppLogService.error(e.getMessage(), e);
        } finally {
            if (buffer != null) {
                try {
                    buffer.close();
                } catch (IOException e) {
                    AppLogService.error(e.getMessage(), e);
                }
            }
        }

        return null;
    }
}