On Tue, Feb 14, 2012 at 6:35 AM, KenOKABE <kenok...@gmail.com> wrote:
> Chrome WebStore / Checking for Payment / OpenID Question.

> Checking for Payment
> http://code.google.com/chrome/webstore/docs/check_for_payment.html#us...
> PROBLEM:
> This walkthrough(Java sample) does not work for me,
> because I cannot obtain
> * a user ID for the current user (an OpenID URL corresponding to a
> Google account)

> Accoding to 'Identifying the User'
> http://code.google.com/chrome/webstore/docs/identify_user.html#how
> --'If you're writing a hosted app with Google App Engine, supporting
> Google Accounts is easy. You just use the default Google Accounts API
> authentication and the Users service. '
> Not Exactly...
> PROBLEM:
> user.getFederatedIdentity() always returns Null

> --'If you aren't using Google App Engine, you can get the Google
> OpenID endpoint by sending a request to https://www.google.com/accounts/o8/id.
> See Federated Login for Google Account Users for details.'
> Ok, I use GoogeAppEngine, so I do not have to request to
> https://www.google.com/accounts/o8/id, and GAE framework shall
> return   openID URL corresponding to gmail address via
> user.getFederatedIdentity() , am I correct?

> I can mangage GoogleAccount SignIn/SignOut, just cannot obtain openID.
> Please help. thank you.

> Ken

On Tue, Feb 14, 2012 at 6:55 AM, Ken OKABE <kenok...@gmail.com> wrote:
> UserService userService = UserServiceFactory.getUserService();

>                if (!(userService.isUserLoggedIn()))
>                {
>                    output.printf("<a href=\"%s\">Sign in</a>",
> userService.createLoginURL(url, null,
>                                        "https://www.google.com/accounts/o8/id",
>                                        new HashSet<String>()));

>                }

> Also,  the above code works fine on Eclipse-GAE/J local test
> environment(http:/localhost:8888),
> however once I deploy GAE server, Internal ServerError(500) occurs.

> What's going on?

> Thanks.
> Ken

> On Tue, Feb 14, 2012 at 6:35 AM, KenOKABE <kenok...@gmail.com> wrote:
>> Chrome WebStore / Checking for Payment / OpenID Question.

>> Checking for Payment
>> http://code.google.com/chrome/webstore/docs/check_for_payment.html#us...
>> PROBLEM:
>> This walkthrough(Java sample) does not work for me,
>> because I cannot obtain
>> * a user ID for the current user (an OpenID URL corresponding to a
>> Google account)

>> Accoding to 'Identifying the User'
>> http://code.google.com/chrome/webstore/docs/identify_user.html#how
>> --'If you're writing a hosted app with Google App Engine, supporting
>> Google Accounts is easy. You just use the default Google Accounts API
>> authentication and the Users service. '
>> Not Exactly...
>> PROBLEM:
>> user.getFederatedIdentity() always returns Null

>> --'If you aren't using Google App Engine, you can get the Google
>> OpenID endpoint by sending a request to https://www.google.com/accounts/o8/id.
>> See Federated Login for Google Account Users for details.'
>> Ok, I use GoogeAppEngine, so I do not have to request to
>> https://www.google.com/accounts/o8/id, and GAE framework shall
>> return   openID URL corresponding to gmail address via
>> user.getFederatedIdentity() , am I correct?

>> I can mangage GoogleAccount SignIn/SignOut, just cannot obtain openID.
>> Please help. thank you.

>> Ken