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/*
* JetS3t : Java S3 Toolkit
* Project hosted at http://bitbucket.org/jmurty/jets3t/
*
* Copyright 2011 James Murty
*
* 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.jets3t.service.security;
import org.jets3t.service.utils.oauth.OAuthScope;
import org.jets3t.service.utils.oauth.OAuthUtils;
import java.io.IOException;
/**
* Class to contain OAuth2 client credentials for authenticating against an
* OAuth end-point, as opposed to authenticating directly with a storage service.
*
* Instead of the typical user access and client keys stored within a {@link ProviderCredentials}
* class, this class stores an OAuth2 Client ID (as the access key) and Client Secret (as the
* secret key).
*
* @author jmurty
*/
public class OAuth2Credentials extends ProviderCredentials {
private OAuth2Tokens oauth2Tokens;
private OAuthUtils oauthUtils;
/**
* Construct credentials.
*
* @param clientId Client ID to identify the application to an OAuth2 end-point.
* @param clientSecret Client Secret for the application to authenticate against an OAuth2 end-point.
*/
public OAuth2Credentials(String clientId, String clientSecret) {
this(clientId, clientSecret, null);
}
/**
* Construct credentials, and associate them with a human-friendly name.
*
* @param clientId Client ID to identify the application to an OAuth2 end-point.
* @param clientSecret Client Secret for the application to authenticate against an OAuth2 end-point.
* @param friendlyName a name identifying the owner of the credentials, such as 'James'.
*/
public OAuth2Credentials(String clientId, String clientSecret, String friendlyName) {
this(clientId, clientSecret, friendlyName, null);
}
/**
* Construct credentials, and associate them with a human-friendly name. Start with
* a valid refresh token
*
* @param clientId Client ID to identify the application to an OAuth2 end-point.
* @param clientSecret Client Secret for the application to authenticate against an OAuth2 end-point.
* @param friendlyName a name identifying the owner of the credentials, such as 'James'.
* @param refreshToken a refresh token that was obtained previously.
*/
public OAuth2Credentials(String clientId, String clientSecret, String friendlyName, String refreshToken) {
this(new OAuthUtils(OAuthUtils.OAuthImplementation.GOOGLE_STORAGE_OAUTH2_10, clientId, clientSecret),
friendlyName, refreshToken);
}
/**
* @param oauth Implementation
* @param friendlyName a name identifying the owner of the credentials, such as 'James'.
*/
public OAuth2Credentials(OAuthUtils oauth, String friendlyName) {
this(oauth, friendlyName, null);
}
/**
* @param oauth Implementation
* @param friendlyName a name identifying the owner of the credentials, such as 'James'.
* @param refreshToken a refresh token that was obtained previously.
*/
public OAuth2Credentials(OAuthUtils oauth, String friendlyName, String refreshToken) {
super(oauth.getClientId(), oauth.getClientSecret(), friendlyName);
// If service initialized with OAuth2 credentials, init utility class for handling OAuth
this.oauthUtils = oauth;
if (refreshToken == null) {
this.oauth2Tokens = null;
}
else {
this.oauth2Tokens = new OAuth2Tokens(null, refreshToken);
}
}
public void setOAuth2Tokens(OAuth2Tokens tokens) {
this.oauth2Tokens = tokens;
}
public OAuth2Tokens getOAuth2Tokens() throws IOException {
if(null == this.oauth2Tokens) {
return null;
}
if (this.oauth2Tokens.isAccessTokenExpired()) {
this.oauth2Tokens = this.refreshOAuth2Tokens();
}
return this.oauth2Tokens;
}
private OAuth2Tokens refreshOAuth2Tokens() throws IOException {
log.debug("Refreshing OAuth2 access token using refresh token: "
+ this.oauth2Tokens.getRefreshToken());
OAuth2Tokens newTokens = this.oauthUtils.refreshOAuth2AccessToken(this.oauth2Tokens);
this.setOAuth2Tokens(newTokens);
log.debug("Refreshed OAuth2 access token to " + newTokens.getAccessToken()
+ " with expiry at " + newTokens.getExpiry());
return newTokens;
}
public String generateBrowserUrlToAuthorizeNativeApplication(OAuthScope scope) {
return this.oauthUtils.generateBrowserUrlToAuthorizeNativeApplication(scope);
}
public void retrieveOAuth2TokensFromAuthorization(final String authorizationCode)
throws IOException
{
this.oauth2Tokens = this.oauthUtils.retrieveOAuth2TokensFromAuthorization(authorizationCode);
}
/**
* @return the OAuth2 Client ID (stored as access key)
*/
public String getClientId() {
return this.getAccessKey();
}
/**
* @return the OAuth2 Client Secret (stored as secret key)
*/
public String getClientSecret() {
return this.getSecretKey();
}
/**
* @return string representing this credential type's name (for serialization)
*/
@Override
protected String getTypeName() {
return "OAuth2Client";
}
@Override
public String getVersionPrefix() {
return "jets3t OAuth2 Client Credentials, version: ";
}
}
