how to achieve single sign on in java for google apps

Question

I am new to java also at Google Apps, I am using Eclipse.

I want to create a simple app that perform SSO in java with google.

i have done the demo app that will host over google app engine, it is working fine using google plugin how can i do it with my app running on my server.

thanks

zacheusz · Accepted Answer · 2011-07-22 08:01:53Z

3

Look at GAE: Configuring Your App's Authentication article. After configuring it you can check user using The Users Java API invoking:

UserService userService = UserServiceFactory.getUserService(); User user = userService.getCurrentUser();

This is the simplest way. There are many other. Like using OpenID described here: http://code.google.com/p/gwt-gae-book/wiki/Authentication

You can also create your own auth servlet filter wchich redirects users to userService.createLoginURL URL if needed.

answered Jul 22, 2011 at 8:01

zacheusz

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5 Comments

Saboor Awan Over a year ago

I have implemented it, app is running on my localhost:18359, but on deploying it over google market places, when i run it, instead of asking gmail credentials, it just give a fake login form and login me.

zacheusz Over a year ago

Did you configured your app as described here code.google.com/appengine/articles/auth.html ? You can also add you own filter and redirect user to userService.createLoginURL. AFAIK GAE production has no fake login form - It may be generated by your framework.

Saboor Awan Over a year ago

You are right, GAE has no fake login, as i said, I didn't deployed app over GAE, I have my app running on my server localhost:18359, I have just given this url in Application Manifest, <Extension id="navLink" type="link"> <Name>SSO custom app</Name> <Url>localhost:18359/</Url> </Extension> so I don't need to configure all stuff in code.google.com/appengine/articles/auth.html

Saboor Awan Over a year ago

I have check when I am running my app on my server in sign in url claimid=www.google.com/accounts/o8/id is missing, some body know how i add it with sign in url that is auto generated by userService.createLoginURL

zacheusz Over a year ago

GAE dev enviroment shows fake auth dialog and userService.createLoginURL creates url to this dialog. If you deploy the same app on production (and configure the prod env auth) you will get login dialog to google account. Sou you still want to implement SSO on dev server?

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