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Configuring Office 365 WS-Federation with Identity Server

This section provides instructions on configuring the WSO2 Identity Server for WS-Federation with Office 365. The following sections guide you through this process.

Prerequisites

Azure AD expects to receive the following attributes with a SAML 2.0 message.

Claim Claim URI Purpose

UserPrincipal

http://schemas.xmlsoap.org/claims/UPN

This must be the email address of the Office365 user. Usually this is the userPrincipalName attribute in AD. Basically this is the login username that a user tries out to login for Office365. It should match with the domain name. (ex: wso2@wso2test.com ).

Since this attribute requires an email address as the username, make sure you have configured the IS to authenticate users using the email address. See Using Email Address as the Username for more information.

ImmutableID

http://schemas.microsoft.com/LiveID/Federation/2008/05/ImmutableID

This is the Immutable ID that is set by the Azure AD sync service out of the box. If you use a different value, then this claim must be populated with that value for each user. So in this case we will use the ObjectGUID attribute in AD which is unique per user

Role

http://schemas.microsoft.com/ws/2008/06/identity/claims/role

The URI for a claim that specifies the role of a Windows user

Configuring Office 365 WS-Federation

  1. Start the WSO2 Identity Server and log in to the management console

  2. Click Resident under Identity Providers on the Main menu. Expand the Inbound Authentication Configuration section and then the WS-Federation(Passive) Configuration.

  3. Replace the value of the Identity Provider Entity Id with the value given for the parameter $issueruri when configuring Azure AD (configured in step 3 of this topic ) , and click Update to save changes.

    issuer-uri

  4. Navigate to Claims>Add in the Main menu and click Add New Claim. Set 'User Principle' and 'ImmutableID' as claims as seen below. See Adding Claim Mapping for more information.

    add-user-principle-claim add-immutableid-claim

  5. Navigate to Claims>List and click on the http://wso2.org/claims claim dialect. Click on Edit for each of the claims below and deselect the Supported by Default check box.

    Why do these claims need to be edited?

    These attributes are not supported by Active Directory by default. Therefore, if these attributes are ticked as Supported by Default in Identity Server, they will be shown in the default user profile and you will receive an error once you try to update the user profile.

    • Country - http://wso2.org/claims/country

    • Organization - http://wso2.org/claims/organization

    • IM - http://wso2.org/claims/im

  6. Navigate to Service Providers > Add in the Main menu and add a new Service Provider named ' Office365'.

  7. Expand the Inbound Authentication Configuration section, then the WS-Federation(Passive) Configuration and enter the following details. See Configuring WS-Federation Single Sign-On for more information about these fields.

    passive-sts-config

  8. Expand the Claim Configuration section and configure the following attributes required by Azure AD as seen below.

    Service Provider Claim Local Claim Requested Claim

    http://schemas.xmlsoap.org/claims/UPN

    http://wso2.org/claims/upn

    Ticked (True)

    http://schemas.microsoft.com/ws/2008/06/identity/claims/role

    http://wso2.org/claims/role

    Ticked (True)

    http://schemas.microsoft.com/LiveID/Federation/2008/05/ImmutableID

    http://wso2.org/claims/objectguid Ticked (True)

    claim-config-attributes

  9. Set the Subject Claim URI to the Immutable ID claim and the Role Claim URI to the role claim. Click Update to save changes.

  10. Create a user and update the user's profile with a User Principle Name as seen below.

    Note

    • If you are configuring the secondary user store, select Return objectGUID in UUID Canonical Format that is under the Advanced configuration when creating a new user store using the management console.
    • If you are configuring the primary user store and want the configuration to be available for all the tenants, follow the configuration given below to return the objectGUID claim attribute.
      ObjectGUID is a binary attribute. Add the following user store property to the <IS_HOME>/repository/conf/deployment.toml file.
    ``` java
    &lt;Property name="transformObjectGUIDToUUID"&gt;false&lt;/Property&gt;
    ```

Testing Office 365 WS-Federation with WSO2 IS

WS-Federation eliminates the need to send passwords between Active Directory and Office 365, but it still requires synchronizing the user accounts with Azure AD. You can do this manually or you can automate the process.

The following steps describe how to manually to synchronize a user with Azure AD.

  1. Connect with Windows Azure AD Powershell module by executing the following commands.

    1. This command prompts  user credentials.

      Run $cred=Get-Credential

      Info

      This will prompt for Windows Azure AD Admin credentials for the Office365 domain. The admin user’s domain credentials are usually in the following format: user@domain.onmicrosoft.com.

    2. This command connects with the stored credentials. Provided that the credentials are accurate, the connection will be successful.

      Connect-MsolService -Credential $cred
    3. This command verifies the availability of the validated domain. This will return the Status and Authentication. The ‘Status’ of our domain should be ‘Verified’, and ‘Authentication’ should be ‘Managed’.

      Get-MsolDomain
  2. Run the following command to create a new user.

    Note

    Use the value specified under objectGUID as -ImmutableId and the value specified under userPrincipalName, as the UserPrincipalName.

    New-MsolUser -UserPrincipalName wso2@wso2test.com -ImmutableID eDONEoBWe0SatxWqbZYobw== -LastName test -FirstName wso2 -DisplayName "WSO2 Test User"

You can now attempt to login to the Office365 Web Portal with this user you created. T he user’s identity will be represented and authenticated by the on premises identity provider (i.e., the WSO2 Identity server).

  1. Access the following URL on your browser: https://login.microsoftonline.com/

  2. Enter the username along with the federated domain following this format: wso2@wso2test.com

    Info

    Note that this username is the same value specified as the userPrincipleName.

    office365-web-portal

  3. You will be redirected to the login page of the WSO2 Identity Server’s authentication end point. Enter the correct user credentials and login.

  4. You will be successfully logged on to the Office365 portal.

    Info

    If you sign out of Office 365, the WSO2 IS will receive a Passive STS Logout Request and the user will be logged out of the IdP as well.

    office365-logon

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