/*
* Copyright (c) 2009, 2010, 2011, B3log Team
*
* 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.b3log.solo.tencent.microblog.oauth;
import com.mime.qweibo.OauthKey;
import com.mime.qweibo.QWeiboSyncApi;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.b3log.latke.repository.Transaction;
import org.b3log.latke.util.Strings;
import org.b3log.solo.model.Preference;
import org.b3log.solo.repository.impl.PreferenceGAERepository;
import org.b3log.solo.util.Preferences;
import org.json.JSONObject;
/**
* OAuth servlet.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.0, Jan 26, 2010
*/
public final class AuthorizeToken extends HttpServlet {
/**
* Default serial version uid.
*/
private static final long serialVersionUID = 1L;
/**
* Logger.
*/
private static final Logger LOGGER =
Logger.getLogger(AuthorizeToken.class.getName());
/**
* Preference utilities.
*/
private Preferences preferenceUtils = Preferences.getInstance();
@Override
protected void doGet(final HttpServletRequest request,
final HttpServletResponse response)
throws ServletException, IOException {
LOGGER.fine("GetRequestToken....");
final String appKey = request.getParameter("appKey");
final String appSecret = request.getParameter("appSecret");
if (Strings.isEmptyOrNull(appKey)
|| Strings.isEmptyOrNull(appSecret)) {
LOGGER.info("App key or secret empty!");
return;
}
final JSONObject preference = preferenceUtils.getPreference();
final String blogHost = preference.optString(Preference.BLOG_HOST);
final QWeiboSyncApi api = new QWeiboSyncApi();
final String callbackURL =
"http://" + blogHost + "/tencent-microblog-oauth-callback.do";
final String resp = api.getRequestToken(appKey, appSecret,
callbackURL);
LOGGER.log(Level.FINER, "Response[{0}]", resp);
final OauthKey oauthKey = parseToken(resp);
if (null == oauthKey) {
return;
}
final Transaction transaction =
PreferenceGAERepository.getInstance().beginTransaction();
try {
preference.put(Preference.TENCENT_MICROBLOG_APP_KEY, appKey);
preference.put(Preference.TENCENT_MICROBLOG_APP_SECRET, appSecret);
preference.put(Preference.TENCENT_MICROBLOG_TOKEN_KEY,
oauthKey.tokenKey);
preference.put(Preference.TENCENT_MICROBLOG_TOKEN_SECRET,
oauthKey.tokenSecret);
preferenceUtils.setPreference(preference);
transaction.commit();
} catch (final Exception e) {
if (transaction.isActive()) {
transaction.rollback();
}
LOGGER.log(Level.SEVERE, e.getMessage(), e);
return;
}
response.sendRedirect("http://open.t.qq.com/cgi-bin/authorize?oauth_token="
+ oauthKey.tokenKey);
}
/**
* Parses token and secret with the specified response.
*
* @param response the specified response
* @return oauth key, returns {@code null} if parse fail
*/
static OauthKey parseToken(final String response) {
if (response == null || response.equals("")) {
return null;
}
final String[] tokenArray = response.split("&");
if (tokenArray.length < 2) {
return null;
}
final String strTokenKey = tokenArray[0];
final String strTokenSecret = tokenArray[1];
final String[] token1 = strTokenKey.split("=");
if (token1.length < 2) {
return null;
}
final OauthKey ret = new OauthKey();
ret.tokenKey = token1[1];
final String[] token2 = strTokenSecret.split("=");
if (token2.length < 2) {
return null;
}
ret.tokenSecret = token2[1];
LOGGER.log(Level.FINER, "Token[key={0}, secrect={1}]",
new Object[]{ret.tokenKey, ret.tokenSecret});
return ret;
}
}