com.google.gdata.client

Class GoogleAuthTokenFactory

java.lang.Object

com.google.gdata.client.GoogleAuthTokenFactory

All Implemented Interfaces:

AuthTokenFactory

public class GoogleAuthTokenFactory
extends Object
implements AuthTokenFactory

A factory for creating Google authentication tokens (ClientLogin and AuthSub).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GoogleAuthTokenFactory.AuthSubToken Encapsulates the token used by web applications to login on behalf of a user.
static class	GoogleAuthTokenFactory.OAuth2Token Encapsulates the OAuth 2.0 information used by applications to login on behalf of a user.
static class	GoogleAuthTokenFactory.OAuthToken Encapsulates the OAuth information used by applications to login on behalf of a user.
static class	GoogleAuthTokenFactory.UserToken The UserToken encapsulates the token retrieved as a result of authenticating to Google using a user's credentials.

Nested classes/interfaces inherited from interface com.google.gdata.client.AuthTokenFactory

AuthTokenFactory.AuthToken, AuthTokenFactory.TokenListener

Field Summary

Fields

Modifier and Type	Field and Description
static String	GOOGLE_ACCOUNTS_PATH The path name of the Google accounts management handler.
static String	GOOGLE_LOGIN_PATH The path name of the Google login handler.

Constructor Summary

Constructors

Constructor and Description
GoogleAuthTokenFactory(String serviceName, String applicationName, AuthTokenFactory.TokenListener tokenListener) Constructs a factory for creating authentication tokens for connecting to a Google service with name serviceName for an application with the name applicationName.
GoogleAuthTokenFactory(String serviceName, String applicationName, String protocol, String domainName, AuthTokenFactory.TokenListener tokenListener) Constructs a factory for creating authentication tokens for connecting to a Google service with name serviceName for an application with the name applicationName.

Method Summary

Methods

Modifier and Type	Method and Description
HttpAuthToken	getAuthToken() Get an authentication token.
String	getAuthToken(String username, String password, String captchaToken, String captchaAnswer, String serviceName, String applicationName) Retrieves the authentication token for the provided set of credentials for either a Google or a hosted domain.
String	getAuthToken(String username, String password, String captchaToken, String captchaAnswer, String serviceName, String applicationName, ClientLoginAccountType accountType) Retrieves the authentication token for the provided set of credentials.
void	handleSessionExpiredException(GoogleService.SessionExpiredException sessionExpired) Handles a session expired exception.
static String	makePostRequest(URL url, Map<String,String> parameters) Makes a HTTP POST request to the provided url given the provided parameters.
void	setAuthSubToken(String token) Sets the AuthSub token to be used to authenticate a user.
void	setAuthSubToken(String token, PrivateKey key) Sets the AuthSub token to be used to authenticate a user.
void	setAuthToken(HttpAuthToken authToken) Set the authentication token.
void	setOAuth2Credentials(com.google.api.client.auth.oauth2.Credential credential) Sets the OAuth 2.0 credentials used to generate the authorization header.
void	setOAuthCredentials(OAuthParameters parameters, OAuthSigner signer) Sets the OAuth credentials used to generate the authorization header.
void	setUserCredentials(String username, String password) Sets the credentials of the user to authenticate requests to the server.
void	setUserCredentials(String username, String password, ClientLoginAccountType accountType) Sets the credentials of the user to authenticate requests to the server.
void	setUserCredentials(String username, String password, String captchaToken, String captchaAnswer) Sets the credentials of the user to authenticate requests to the server.
void	setUserCredentials(String username, String password, String captchaToken, String captchaAnswer, ClientLoginAccountType accountType) Sets the credentials of the user to authenticate requests to the server.
void	setUserToken(String token) Sets the AuthToken that should be used to authenticate requests to the server.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

GOOGLE_ACCOUNTS_PATH

public static final String GOOGLE_ACCOUNTS_PATH

The path name of the Google accounts management handler.

See Also:

Constant Field Values

GOOGLE_LOGIN_PATH

public static final String GOOGLE_LOGIN_PATH

The path name of the Google login handler.

See Also:

Constant Field Values

Constructor Detail

GoogleAuthTokenFactory

public GoogleAuthTokenFactory(String serviceName,
                      String applicationName,
                      AuthTokenFactory.TokenListener tokenListener)

Constructs a factory for creating authentication tokens for connecting to a Google service with name serviceName for an application with the name applicationName. The default domain (www.google.com) will be used to authenticate.

Parameters:

serviceName - the name of the Google service to which we are connecting. Sample names of services might include "cl" (Calendar), "mail" (GMail), or "blogger" (Blogger)

applicationName - the name of the client application accessing the service. Application names should preferably have the format [company-id]-[app-name]-[app-version]. The name will be used by the Google servers to monitor the source of authentication.

tokenListener - listener for token changes

GoogleAuthTokenFactory

public GoogleAuthTokenFactory(String serviceName,
                      String applicationName,
                      String protocol,
                      String domainName,
                      AuthTokenFactory.TokenListener tokenListener)

Constructs a factory for creating authentication tokens for connecting to a Google service with name serviceName for an application with the name applicationName. The service will authenticate at the provided domainName.

Parameters:

serviceName - the name of the Google service to which we are connecting. Sample names of services might include "cl" (Calendar), "mail" (GMail), or "blogger" (Blogger)

applicationName - the name of the client application accessing the service. Application names should preferably have the format [company-id]-[app-name]-[app-version]. The name will be used by the Google servers to monitor the source of authentication.

protocol - name of protocol to use for authentication ("http"/"https")

domainName - the name of the domain hosting the login handler

tokenListener - listener for token changes

Method Detail

setUserCredentials

public void setUserCredentials(String username,
                      String password)
                        throws AuthenticationException

Sets the credentials of the user to authenticate requests to the server.

Parameters:

username - the name of the user (an email address)

password - the password of the user

Throws:

AuthenticationException - if authentication failed.

setUserCredentials

public void setUserCredentials(String username,
                      String password,
                      ClientLoginAccountType accountType)
                        throws AuthenticationException

Sets the credentials of the user to authenticate requests to the server.

Parameters:

username - the name of the user (an email address)

password - the password of the user

accountType - the account type: HOSTED, GOOGLE, or HOSTED_OR_GOOGLE

Throws:

AuthenticationException - if authentication failed.

setUserCredentials

public void setUserCredentials(String username,
                      String password,
                      String captchaToken,
                      String captchaAnswer)
                        throws AuthenticationException

Sets the credentials of the user to authenticate requests to the server. A CAPTCHA token and a CAPTCHA answer can also be optionally provided to authenticate when the authentication server requires that a CAPTCHA be answered.

Parameters:

username - the name of the user (an email id)

password - the password of the user

captchaToken - the CAPTCHA token issued by the server

captchaAnswer - the answer to the respective CAPTCHA token

Throws:

AuthenticationException - if authentication failed

setUserCredentials

public void setUserCredentials(String username,
                      String password,
                      String captchaToken,
                      String captchaAnswer,
                      ClientLoginAccountType accountType)
                        throws AuthenticationException

Sets the credentials of the user to authenticate requests to the server. A CAPTCHA token and a CAPTCHA answer can also be optionally provided to authenticate when the authentication server requires that a CAPTCHA be answered.

Parameters:

username - the name of the user (an email id)

password - the password of the user

captchaToken - the CAPTCHA token issued by the server

captchaAnswer - the answer to the respective CAPTCHA token

accountType - the account type: HOSTED, GOOGLE, or HOSTED_OR_GOOGLE

Throws:

AuthenticationException - if authentication failed

setUserToken

public void setUserToken(String token)

Sets the AuthToken that should be used to authenticate requests to the server. This is useful if the caller has some other way of accessing the AuthToken, versus calling getAuthToken with credentials to request the AuthToken using ClientLogin.

Parameters:

token - the AuthToken in ascii form

setAuthSubToken

public void setAuthSubToken(String token)

Sets the AuthSub token to be used to authenticate a user.

Parameters:

token - the AuthSub token retrieved from Google

setAuthSubToken

public void setAuthSubToken(String token,
                   PrivateKey key)

Sets the AuthSub token to be used to authenticate a user. The token will be used in secure-mode, and the provided private key will be used to sign all requests.

Parameters:

token - the AuthSub token retrieved from Google

key - the private key to be used to sign all requests

setOAuthCredentials

public void setOAuthCredentials(OAuthParameters parameters,
                       OAuthSigner signer)
                         throws OAuthException

Sets the OAuth credentials used to generate the authorization header. The following OAuth parameters are required:

• oauth_consumer_key
• oauth_token

Parameters:

parameters - the OAuth parameters to use to generate the header

signer - the signing method to use for signing the header

Throws:

OAuthException

setOAuth2Credentials

public void setOAuth2Credentials(com.google.api.client.auth.oauth2.Credential credential)

Sets the OAuth 2.0 credentials used to generate the authorization header.

Parameters:

credential - the OAuth 2.0 credentials to use to generate the header

setAuthToken

public void setAuthToken(HttpAuthToken authToken)

Set the authentication token.

Parameters:

authToken - authentication token

getAuthToken

public HttpAuthToken getAuthToken()

Description copied from interface: AuthTokenFactory

Get an authentication token.

Specified by:

getAuthToken in interface AuthTokenFactory

Returns:

Authentication token.

getAuthToken

public String getAuthToken(String username,
                  String password,
                  String captchaToken,
                  String captchaAnswer,
                  String serviceName,
                  String applicationName)
                    throws AuthenticationException

Retrieves the authentication token for the provided set of credentials for either a Google or a hosted domain.

Parameters:

username - the name of the user (an email address)

password - the password of the user

captchaToken - the CAPTCHA token if CAPTCHA is required (Optional)

captchaAnswer - the respective answer of the CAPTCHA token (Optional)

serviceName - the name of the service to which a token is required

applicationName - the application requesting the token

Returns:

the token

Throws:

AuthenticationException - if authentication failed

getAuthToken

public String getAuthToken(String username,
                  String password,
                  String captchaToken,
                  String captchaAnswer,
                  String serviceName,
                  String applicationName,
                  ClientLoginAccountType accountType)
                    throws AuthenticationException

Retrieves the authentication token for the provided set of credentials.

Parameters:

username - the name of the user (an email address)

password - the password of the user

captchaToken - the CAPTCHA token if CAPTCHA is required (Optional)

captchaAnswer - the respective answer of the CAPTCHA token (Optional)

serviceName - the name of the service to which a token is required

applicationName - the application requesting the token

accountType - the account type: HOSTED, GOOGLE, or HOSTED_OR_GOOGLE

Returns:

the token

Throws:

AuthenticationException - if authentication failed

makePostRequest

public static String makePostRequest(URL url,
                     Map<String,String> parameters)
                              throws IOException

Makes a HTTP POST request to the provided url given the provided parameters. It returns the output from the POST handler as a String object.

Parameters:

url - the URL to post the request

parameters - the parameters to post to the handler

Returns:

the output from the handler

Throws:

IOException - if an I/O exception occurs while creating, writing, or reading the request

handleSessionExpiredException

public void handleSessionExpiredException(GoogleService.SessionExpiredException sessionExpired)
                                   throws GoogleService.SessionExpiredException,
                                          AuthenticationException

Description copied from interface: AuthTokenFactory

Handles a session expired exception.

Specified by:

handleSessionExpiredException in interface AuthTokenFactory

Throws:

GoogleService.SessionExpiredException

AuthenticationException