Retrieving users from an account with email domain

[Anthony Smith]

Hi,

Using the .Net GData API, how do I retrieve a list of users for an account who have different domain names and email addresses within a Google Apps for Business account ?

So for example - the account might have b...@domain1.com and su...@domain1.com, but also ha...@domain2.com - how do I retrieve Harry as well as Bob and Susan ?

Thanks.

[Claudio Cherubino]

Hi Anthony,

The .NET library implements the methods exposed by the multidomain Provisioning API, such as retrieving users in a multidomain environment:

http://code.google.com/googleapps/domain/gdata_provisioning_api_v2.0_reference_dotnet.html#Retrieving_Users_in_a_Domain

Claudio

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[Anthony]

Thanks Claudio,

I'm not sure how to call RetrieveAllDomainUsers using 2 Legged OAuth (I'm a Google Apps Marketplace developer). Code posted below does not work, so hopefully you can point me in the right direction to get a read only list of all users in a domain, no matter what subdomain they belong to.

' create an OAuth factory to use

Dim requestFactory As New GOAuthRequestFactory("CS", "MyApp")

requestFactory.ConsumerKey = System.Configuration.ConfigurationManager.AppSettings("GoogleAppsConsumerKey")

requestFactory.ConsumerSecret = System.Configuration.ConfigurationManager.AppSettings("GoogleAppsConsumerSecret")

Dim newService As New MultiDomainManagementService(UserData.GOOGLE_APPS_DOMAIN, "MyApp")

newService.RequestFactory = requestFactory

Dim newFeed As AppsExtendedFeed = newService.RetrieveAllDomainUsers(UserData.GOOGLE_APPS_DOMAIN)

For Each entry As AppsExtendedEntry In newFeed.Entries

'Do Stuff

Next

[Claudio Cherubino]

Hi Anthony,

What exactly is the problem with that code? You get an error or it returns incorrect results?

Claudio

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[Anthony Smith]

We get a 401 Unauthorized error, even when the permissions have been granted within the Google Apps control panel, so what I'm asking is how to structure the call so the 2 legged OAuth works with the MultiDomainManagementService.

Thanks

[Claudio Cherubino]

Hi Anthony,

The Multidomain Provisioning API doesn't support 2-legged OAuth, but only 3-legged OAuth, as per the documentation:

http://code.google.com/googleapps/domain/gdata_provisioning_api_v2.0_developers_protocol.html#3LO_Tokens

Claudio

[Anthony Smith]

Hi Claudio,

Thanks so much for the clarification and the prompt response. Do you have a sample anywhere of how to do 3 legged Oauth in either C# or VB.Net ? I was only able to find the link below which has Java, Python and PHP only for 3 legged.

http://code.google.com/apis/gdata/docs/auth/oauth.html

Thanks.

[Claudio Cherubino]

Hi Anthony,

We are working to update our library to include a complete .NET 3LO sample, in the meanwhile please use the following Spreadsheet API code as reference.

Please note that it doesn't show how to retrieve the token key and secret, but only how to use them once you have them:

GOAuthRequestFactory requestFactory = new GOAuthRequestFactory("wise", APPLICATION_NAME);

requestFactory.ConsumerKey = "anonymous";

requestFactory.ConsumerSecret = "anonymous";

requestFactory.Token = TOKEN_KEY;

requestFactory.TokenSecret = TOKEN_SECRET;

requestFactory.UseSSL = true;

SpreadsheetsService myService = new SpreadsheetsService(APPLICATION_NAME);

myService.RequestFactory = requestFactory;

SpreadsheetQuery query = new SpreadsheetQuery();

SpreadsheetFeed feed = myService.Query(query);

...

Claudio