/*
* Copyright (c) 2011 Google Inc.
*
* 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 com.google.api.client.googleapis.auth.oauth2;
import com.google.api.client.auth.oauth2.AuthorizationCodeTokenRequest;
import com.google.api.client.auth.oauth2.ClientParametersAuthentication;
import com.google.api.client.auth.oauth2.TokenResponse;
import com.google.api.client.auth.oauth2.TokenResponseException;
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpExecuteInterceptor;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.common.base.Preconditions;
import java.io.IOException;
/**
* Google-specific implementation of the OAuth 2.0 request for an access token based on an
* authorization code (as specified in <a
* href="http://code.google.com/apis/accounts/docs/OAuth2WebServer.html">Using OAuth 2.0 for Web
* Server Applications</a>).
*
* <p>
* Use {@link GoogleCredential} to access protected resources from the resource server using the
* {@link TokenResponse} returned by {@link #execute()}. On error, it will instead throw
* {@link TokenResponseException}.
* </p>
*
* <p>
* Sample usage:
* </p>
*
* <pre>
static void requestAccessToken() throws IOException {
try {
GoogleTokenResponse response =
new GoogleAuthorizationCodeTokenRequest(new NetHttpTransport(), new JacksonFactory(),
"812741506391.apps.googleusercontent.com", "{client_secret}",
"4/P7q7W91a-oMsCeLvIaQm6bTrgtp7", "https://oauth2-login-demo.appspot.com/code")
.execute();
System.out.println("Access token: " + response.getAccessToken());
} catch (TokenResponseException e) {
if (e.getDetails() != null) {
System.err.println("Error: " + e.getDetails().getError());
if (e.getDetails().getErrorDescription() != null) {
System.err.println(e.getDetails().getErrorDescription());
}
if (e.getDetails().getErrorUri() != null) {
System.err.println(e.getDetails().getErrorUri());
}
} else {
System.err.println(e.getMessage());
}
}
}
* </pre>
*
* <p>
* Implementation is not thread-safe.
* </p>
*
* @since 1.7
* @author Yaniv Inbar
*/
public class GoogleAuthorizationCodeTokenRequest extends AuthorizationCodeTokenRequest {
/**
* @param transport HTTP transport
* @param jsonFactory JSON factory
* @param clientId client identifier issued to the client during the registration process
* @param clientSecret client secret
* @param code authorization code generated by the authorization server
* @param redirectUri redirect URL parameter matching the redirect URL parameter in the
* authorization request (see {@link #setRedirectUri(String)}
*/
public GoogleAuthorizationCodeTokenRequest(HttpTransport transport,
JsonFactory jsonFactory,
String clientId,
String clientSecret,
String code,
String redirectUri) {
super(transport, jsonFactory, new GenericUrl(GoogleOAuthConstants.TOKEN_SERVER_URL), code);
setClientAuthentication(new ClientParametersAuthentication(clientId, clientSecret));
setRedirectUri(redirectUri);
}
@Override
public GoogleAuthorizationCodeTokenRequest setRequestInitializer(
HttpRequestInitializer requestInitializer) {
return (GoogleAuthorizationCodeTokenRequest) super.setRequestInitializer(requestInitializer);
}
@Override
public GoogleAuthorizationCodeTokenRequest setTokenServerUrl(GenericUrl tokenServerUrl) {
return (GoogleAuthorizationCodeTokenRequest) super.setTokenServerUrl(tokenServerUrl);
}
@Override
public GoogleAuthorizationCodeTokenRequest setScopes(String... scopes) {
return (GoogleAuthorizationCodeTokenRequest) super.setScopes(scopes);
}
@Override
public GoogleAuthorizationCodeTokenRequest setScopes(Iterable<String> scopes) {
return (GoogleAuthorizationCodeTokenRequest) super.setScopes(scopes);
}
@Override
public GoogleAuthorizationCodeTokenRequest setGrantType(String grantType) {
return (GoogleAuthorizationCodeTokenRequest) super.setGrantType(grantType);
}
@Override
public GoogleAuthorizationCodeTokenRequest setClientAuthentication(
HttpExecuteInterceptor clientAuthentication) {
Preconditions.checkNotNull(clientAuthentication);
return (GoogleAuthorizationCodeTokenRequest) super.setClientAuthentication(
clientAuthentication);
}
@Override
public GoogleAuthorizationCodeTokenRequest setCode(String code) {
return (GoogleAuthorizationCodeTokenRequest) super.setCode(code);
}
@Override
public GoogleAuthorizationCodeTokenRequest setRedirectUri(String redirectUri) {
Preconditions.checkNotNull(redirectUri);
return (GoogleAuthorizationCodeTokenRequest) super.setRedirectUri(redirectUri);
}
@Override
public GoogleTokenResponse execute() throws IOException {
return executeUnparsed().parseAs(GoogleTokenResponse.class);
}
}