/**
* 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.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.Response;
import net.oauth.OAuth;
import net.oauth.OAuthMessage;
import net.oauth.OAuthProblemException;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
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.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;
private String defaultURI;
public Response handle(HttpServletRequest request, OAuthDataProvider dataProvider) {
try {
OAuthMessage oAuthMessage =
OAuthUtils.getOAuthMessage(request, REQUIRED_PARAMETERS);
Client client = dataProvider
.getClient(oAuthMessage.getParameter(OAuth.OAUTH_CONSUMER_KEY));
//client credentials not found
if (client == null) {
OAuthProblemException problemEx = new OAuthProblemException(
OAuth.Problems.CONSUMER_KEY_UNKNOWN);
problemEx
.setParameter(OAuthProblemException.HTTP_STATUS_CODE,
HttpServletResponse.SC_UNAUTHORIZED);
throw problemEx;
}
OAuthUtils.validateMessage(oAuthMessage, client, null, dataProvider);
String callback = oAuthMessage.getParameter(OAuth.OAUTH_CALLBACK);
validateCallbackURL(client, callback);
List<String> scopes = OAuthUtils.parseParamValue(
oAuthMessage.getParameter(OAuthConstants.X_OAUTH_SCOPE), defaultScope);
List<String> uris = OAuthUtils.parseParamValue(
oAuthMessage.getParameter(OAuthConstants.X_OAUTH_URI), defaultURI);
RequestTokenRegistration reg = new RequestTokenRegistration();
reg.setClient(client);
reg.setCallback(callback);
reg.setState(oAuthMessage.getParameter("state"));
reg.setUris(uris);
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<String, Object> responseParams = new HashMap<String, Object>();
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) {
if (LOG.isLoggable(Level.WARNING)) {
LOG.log(Level.WARNING, "An OAuth-related problem: {0}", new Object[] {e.fillInStackTrace()});
}
return OAuthUtils.handleException(e, e.getHttpStatusCode(),
String.valueOf(e.getParameters().get("realm")));
} catch (Exception e) {
if (LOG.isLoggable(Level.SEVERE)) {
LOG.log(Level.SEVERE, "Unexpected internal server exception: {0}",
new Object[] {e.fillInStackTrace()});
}
return OAuthUtils.handleException(e, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
protected void validateCallbackURL(Client client,
String oauthCallback) throws OAuthProblemException {
if (!StringUtils.isEmpty(client.getApplicationURI())
&& !oauthCallback.startsWith(client.getApplicationURI())) {
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;
}
public void setDefaultURI(String defaultURI) {
this.defaultURI = defaultURI;
}
}