Gmail OAuth For get users Details

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I need to get user profile details from gmail using OAuth for that am using DotNetOpenAuth.dll for OAuth authentication from gmail , its hitting the google login for authentication and redirect to my site correctly but I don't know how to catch that access token.

For Reference here is the link

OAuth 2.0 with Gmail over IMAP for web applications[^].

If anybody having some other ideas please help me am waiting.
If anybody having sample for that it will more helpful.

Thank you

Posted 13-Dec-12 1:24am

arunraju

Updated 13-Dec-12 2:38am

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 1 · 2012-12-13T02:43:00

If you go through the link you have provided, the solution is there itself.
It says like below...

After this step user is redirected back to your website (http://www.yourdomain.com/oauth2callback). Following is this callback code. Its purpose is to get a refresh-token and an access-token:

C#
WebServerClient consumer= new WebServerClient(server, clientID, clientSecret);
consumer.ClientCredentialApplicator =
    ClientCredentialApplicator.PostParameter(clientSecret);
IAuthorizationState grantedAccess = consumer.ProcessUserAuthorization(null);

string accessToken = grantedAccess.AccessToken;
An access token is usually valid for a maximum of one hour, and allows you to access the user’s data. You also received a refresh token. A refresh token can be used to request a new access token once the previous expired.

Sample Project links -
Refer dotnetopenid / samples / OAuthConsumer / GoogleAddressBook.aspx.cs[^] for sample page and dotnetopenid / samples / OAuthConsumer[^] for full project.
Thanks...