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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.rs.security.oauth.services;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.Response;
import net.oauth.OAuth;
import net.oauth.OAuthMessage;
import net.oauth.OAuthProblemException;
import net.oauth.OAuthValidator;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.rs.security.oauth.data.Client;
import org.apache.cxf.rs.security.oauth.data.RequestToken;
import org.apache.cxf.rs.security.oauth.data.RequestTokenRegistration;
import org.apache.cxf.rs.security.oauth.provider.OAuthDataProvider;
import org.apache.cxf.rs.security.oauth.provider.OAuthServiceException;
import org.apache.cxf.rs.security.oauth.utils.OAuthConstants;
import org.apache.cxf.rs.security.oauth.utils.OAuthUtils;
public class RequestTokenHandler {
private static final Logger LOG = LogUtils.getL7dLogger(RequestTokenHandler.class);
private static final String[] REQUIRED_PARAMETERS =
new String[] {
OAuth.OAUTH_CONSUMER_KEY,
OAuth.OAUTH_SIGNATURE_METHOD,
OAuth.OAUTH_SIGNATURE,
OAuth.OAUTH_TIMESTAMP,
OAuth.OAUTH_NONCE,
OAuth.OAUTH_CALLBACK
};
private long tokenLifetime = 3600L;
private String defaultScope;
public Response handle(MessageContext mc,
OAuthDataProvider dataProvider,
OAuthValidator validator) {
try {
OAuthMessage oAuthMessage =
OAuthUtils.getOAuthMessage(mc, mc.getHttpServletRequest(), REQUIRED_PARAMETERS);
Client client = dataProvider
.getClient(oAuthMessage.getParameter(OAuth.OAUTH_CONSUMER_KEY));
//client credentials not found
if (client == null) {
throw new OAuthProblemException(OAuth.Problems.CONSUMER_KEY_UNKNOWN);
}
OAuthUtils.validateMessage(oAuthMessage, client, null,
dataProvider, validator);
String callback = oAuthMessage.getParameter(OAuth.OAUTH_CALLBACK);
validateCallbackURL(client, callback);
List scopes = OAuthUtils.parseParamValue(
oAuthMessage.getParameter(OAuthConstants.X_OAUTH_SCOPE), defaultScope);
RequestTokenRegistration reg = new RequestTokenRegistration();
reg.setClient(client);
reg.setCallback(callback);
reg.setState(oAuthMessage.getParameter(OAuthConstants.X_OAUTH_STATE));
reg.setScopes(scopes);
reg.setLifetime(tokenLifetime);
reg.setIssuedAt(System.currentTimeMillis() / 1000);
RequestToken requestToken = dataProvider.createRequestToken(reg);
if (LOG.isLoggable(Level.FINE)) {
LOG.log(Level.FINE, "Preparing Temporary Credentials Endpoint correct response");
}
//create response
Map responseParams = new HashMap();
responseParams.put(OAuth.OAUTH_TOKEN, requestToken.getTokenKey());
responseParams.put(OAuth.OAUTH_TOKEN_SECRET, requestToken.getTokenSecret());
responseParams.put(OAuth.OAUTH_CALLBACK_CONFIRMED, Boolean.TRUE);
String responseBody = OAuth.formEncode(responseParams.entrySet());
return Response.ok(responseBody).build();
} catch (OAuthProblemException e) {
LOG.log(Level.WARNING, "An OAuth-related problem: {0}", new Object[] {e.fillInStackTrace()});
int code = e.getHttpStatusCode();
if (code == HttpServletResponse.SC_OK) {
code = e.getProblem() == OAuth.Problems.CONSUMER_KEY_UNKNOWN
? 401 : 400;
}
return OAuthUtils.handleException(mc, e, code);
} catch (OAuthServiceException e) {
return OAuthUtils.handleException(mc, e, HttpServletResponse.SC_BAD_REQUEST);
} catch (Exception e) {
LOG.log(Level.SEVERE, "Unexpected internal server exception: {0}",
new Object[] {e.fillInStackTrace()});
return OAuthUtils.handleException(mc, e, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
protected void validateCallbackURL(Client client,
String oauthCallback) throws OAuthProblemException {
// the callback must not be empty or null, and it should either match
// the registered callback URI or have the common root with the
// the registered application URI (but only if no callback was registered)
if (!StringUtils.isEmpty(oauthCallback)) {
boolean registeredCallbackIsEmpty = StringUtils.isEmpty(client.getCallbackURI());
if (!registeredCallbackIsEmpty
&& oauthCallback.equals(client.getCallbackURI())) {
return;
}
if (registeredCallbackIsEmpty
&& !StringUtils.isEmpty(client.getApplicationURI())
&& oauthCallback.startsWith(client.getApplicationURI())) {
return;
}
}
OAuthProblemException problemEx = new OAuthProblemException(
OAuth.Problems.PARAMETER_REJECTED + " - " + OAuth.OAUTH_CALLBACK);
problemEx
.setParameter(OAuthProblemException.HTTP_STATUS_CODE,
HttpServletResponse.SC_BAD_REQUEST);
throw problemEx;
}
public void setTokenLifetime(long tokenLifetime) {
this.tokenLifetime = tokenLifetime;
}
public void setDefaultScope(String defaultScope) {
this.defaultScope = defaultScope;
}
}
