/**
* Remove an access token for the given user/gadget/service/token name
*/
public void removeToken(ISecurityToken securityToken, OAuthStore.ConsumerInfo consumerInfo, OAuthArguments arguments, OAuthResponseParams responseParams)
{
try
{
store.removeToken(securityToken, consumerInfo, arguments.getServiceName(),
arguments.getTokenName());
}
catch (GadgetException e)
{
throw responseParams.oauthRequestException(OAuthError.UNKNOWN_PROBLEM,
"Unable to remove access token", e);
}
}
/**
* Figure out the OAuth token that should be used with this request. We check for this in three
* places. In order of priority:
*
* 1) From information we cached on the client.
* We encrypt the token and cache on the client for performance.
*
* 2) From information we have in our persistent state.
* We persist the token server-side so we can look it up if necessary.
*
* 3) From information the gadget developer tells us to use (a preapproved request token.)
* Gadgets can be initialized with preapproved request tokens. If the user tells the service
* provider they want to add a gadget to a gadget container site, the service provider can
* create a preapproved request token for that site and pass it to the gadget as a user
* preference.
* @throws GadgetException
*/
private void lookupToken(ISecurityToken securityToken, OAuthStore.ConsumerInfo consumerInfo,
OAuthArguments arguments, OAuthClientState clientState, AccessorInfoBuilder accessorBuilder, OAuthResponseParams responseParams)
{
if (clientState.getRequestToken() != null)
{
// We cached the request token on the client.
accessorBuilder.setRequestToken(clientState.getRequestToken());
accessorBuilder.setTokenSecret(clientState.getRequestTokenSecret());
}
else if (clientState.getAccessToken() != null)
{
// We cached the access token on the client
accessorBuilder.setAccessToken(clientState.getAccessToken());
accessorBuilder.setTokenSecret(clientState.getAccessTokenSecret());
accessorBuilder.setSessionHandle(clientState.getSessionHandle());
accessorBuilder.setTokenExpireMillis(clientState.getTokenExpireMillis());
}
else
{
// No useful client-side state, check persistent storage
OAuthStore.TokenInfo tokenInfo;
try
{
tokenInfo = store.getTokenInfo(securityToken, consumerInfo,
arguments.getServiceName(), arguments.getTokenName());
}
catch (GadgetException e)
{
throw responseParams.oauthRequestException(OAuthError.UNKNOWN_PROBLEM,
"Unable to retrieve access token", e);
}
if (tokenInfo != null && tokenInfo.getAccessToken() != null)
{
// We have an access token in persistent storage, use that.
accessorBuilder.setAccessToken(tokenInfo.getAccessToken());
accessorBuilder.setTokenSecret(tokenInfo.getTokenSecret());
accessorBuilder.setSessionHandle(tokenInfo.getSessionHandle());
accessorBuilder.setTokenExpireMillis(tokenInfo.getTokenExpireMillis());
}
else
{
// We don't have an access token yet, but the client sent us a (hopefully) preapproved
// request token.
accessorBuilder.setRequestToken(arguments.getRequestToken());
accessorBuilder.setTokenSecret(arguments.getRequestTokenSecret());
}
}
}
/**
* Remove an access token for the given user/gadget/service/token name
*/
public void removeToken(ISecurityToken securityToken, OAuthStore.ConsumerInfo consumerInfo, OAuthArguments arguments, OAuthResponseParams responseParams)
{
try
{
store.removeToken(securityToken, consumerInfo, arguments.getServiceName(),
arguments.getTokenName());
}
catch (GadgetException e)
{
throw responseParams.oauthRequestException(OAuthError.UNKNOWN_PROBLEM,
"Unable to remove access token", e);
}
}
/**
* Figure out the OAuth token that should be used with this request. We check for this in three
* places. In order of priority:
*
* 1) From information we cached on the client.
* We encrypt the token and cache on the client for performance.
*
* 2) From information we have in our persistent state.
* We persist the token server-side so we can look it up if necessary.
*
* 3) From information the gadget developer tells us to use (a preapproved request token.)
* Gadgets can be initialized with preapproved request tokens. If the user tells the service
* provider they want to add a gadget to a gadget container site, the service provider can
* create a preapproved request token for that site and pass it to the gadget as a user
* preference.
* @throws GadgetException
*/
private void lookupToken(ISecurityToken securityToken, OAuthStore.ConsumerInfo consumerInfo,
OAuthArguments arguments, OAuthClientState clientState, AccessorInfoBuilder accessorBuilder, OAuthResponseParams responseParams)
{
if (clientState.getRequestToken() != null)
{
// We cached the request token on the client.
accessorBuilder.setRequestToken(clientState.getRequestToken());
accessorBuilder.setTokenSecret(clientState.getRequestTokenSecret());
}
else if (clientState.getAccessToken() != null)
{
// We cached the access token on the client
accessorBuilder.setAccessToken(clientState.getAccessToken());
accessorBuilder.setTokenSecret(clientState.getAccessTokenSecret());
accessorBuilder.setSessionHandle(clientState.getSessionHandle());
accessorBuilder.setTokenExpireMillis(clientState.getTokenExpireMillis());
}
else
{
// No useful client-side state, check persistent storage
OAuthStore.TokenInfo tokenInfo;
try
{
tokenInfo = store.getTokenInfo(securityToken, consumerInfo,
arguments.getServiceName(), arguments.getTokenName());
}
catch (GadgetException e)
{
throw responseParams.oauthRequestException(OAuthError.UNKNOWN_PROBLEM,
"Unable to retrieve access token", e);
}
if (tokenInfo != null && tokenInfo.getAccessToken() != null)
{
// We have an access token in persistent storage, use that.
accessorBuilder.setAccessToken(tokenInfo.getAccessToken());
accessorBuilder.setTokenSecret(tokenInfo.getTokenSecret());
accessorBuilder.setSessionHandle(tokenInfo.getSessionHandle());
accessorBuilder.setTokenExpireMillis(tokenInfo.getTokenExpireMillis());
}
else
{
// We don't have an access token yet, but the client sent us a (hopefully) preapproved
// request token.
accessorBuilder.setRequestToken(arguments.getRequestToken());
accessorBuilder.setTokenSecret(arguments.getRequestTokenSecret());
}
}
}