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NOTE:NTS will support the Access Manager setup and any app issues where the API request is sent to the right Access Manager endpoint. Any other code changes that are needed to integrate with Access Manager are outside the scope of traditional NTS support and need to go through the [email protected] channel.

The following is the sequence of the OAuth and OpenID Connect configuration:

NOTE:Use Internet Explorer 10 or later, Firefox, or Chrome for configuring OAuth 2.0.

Enabling OAuth and OpenID Connect

To use OAuth, you must enable it in Identity Server.

Oauth for binary options

Otherwise, the configuration will not work.

To enable OAuth and OpenID Connect, perform the following steps:

  1. Click > > .

  2. In the section, select .

  3. Click .

  4. Update Identity Server.

NOTE:For OAuth authorization, Identity provider and ESP must be enabled with SSL.

Extending a User Store for OAuth 2.0 Authorization Grant Information

Access Manager OAuth 2.0 implementation stores the information about a client application, which a user authorizes to access attributes and resources.

This information is unique per user. So, you need to store it as part of a User Object in the user store. If you already have an attribute, you can use it in while defining Global Settings.

If a free attribute is unavailable, then extend the User Object schema to add a new single-valued binary (LDAP) or stream (eDirectory) attribute with a name. Access Manager will store an XML object in this attribute for each user authorization.

NOTE:The LDAP super administrator must have write access to this user attribute to allow saving the token information.

Quick Links

Access Manager uses this attribute to revoke refresh tokens.

Example for extending the schema of a User Object in eDirectory

  1. Click to > > .

  2. Specify as nidsOAuthGrant.

  3. Click .

  4. Select under .

  5. Click .

  6. Select .

  7. Click > .

  8. Go to > > .

  9. Select Person under .

  10. Click .

  11. Move nidsOAuthGrant from to .

  12. Click .

Example for extending the schema of a user object in Active Directory

  1. In Windows, > > .

  2. Click > .

  3. Select then click .

  4. Expand , then right click > .

  5. In the dialog box, specify the following:

    • :1.3.6.1.4.1.1466.115.121.1.5

  6. Select as .

    Ensure that is deselected.

  7. Click .

  8. Expand , then click > .

  9. Right click , then click .

  10. Click the tab, then click .

  11. Select the attribute that you created (nidsOAuthGrant), then click .

  12. Click to close all property windows, then add the attribute to person class.

Defining Global Settings

The Global Settings enable you to specify the default OAuth and OpenID Connect settings for the authorization server such as issuer URL, token types, grants, and so on.

  1. Click > > > > .

  2. You can configure and view the following details on this page:

    Issuer

    Specify the name of the authorization server.

    This name will be part of the ID token.

    Authorization Grant LDAP Attribute

    Specify a binary or a stream (for eDirectory) attribute that exists in the user store. For example, nidsOAuthGrant.

    The super administrator must have the write access to the specified . This attribute stores user consent and the refresh token information. This attribute gets updated when Identity Server performs the following actions:

    • Issues a refresh token

    • Revokes the issued refresh token

    • Include user consent information

    For information about creating the attribute in the user store, see Extending a User Store for OAuth 2.0 Authorization Grant Information.

    NOTE:This is a mandatory field.

    This attribute stores the refresh token information. This information can be used later for a JWT token to check for revocation. Ensure that no other application uses this attribute.

    CORS Domains

    Select any one of the following options based on the requirement:

    • If you want to deny access for requests from all domains other than the domain of the resource.

      The resource referred here are resources such as Javascript on the client application.

    • If you want to allow access for requests from any domains.

    • If you want to allow access for requests from only selected domains. Specify the domain.

    Examples: beem://www.test.com, fb://app.local.url, https://namapp.com

    NOTE:Access Manager provides an access token even when the request does not include the listed domain.

    But, the token is validated on the following endpoints:

    • UserInfo

    • TokenInfo

    • Revocation

    • Token Introspect

    This invalidates the access token if the request comes from a different domain.

    Access-Control-Allow-Credentials Header

    Select this option to allow the Access Manager CORS filter to send the Access-Control-Allow-Credentials header with the response.

    Grant Type(s)

    Select the types of grants that the authorization server will support.

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    Based on the grant type you select, the system selects corresponding token type by default.

    For more information about grant types, see OAuth Authorization Grant.

    Token Type(s)

    Select the types of tokens that the authorization server will support.

    • ID Token: A security token that contains claims about the authentication of an end user by an authorization server to the relying party.

    • Access Token: Includes the specific scopes and durations of granted access.

    • Refresh Token: Used to obtain a new access token when an Access token becomes invalid or expires.

    Token Revocation

    This option is enabled by default.

    If you do not require to revoke the refresh token, you can disable this option.

    When you disable this option the token information does not get saved in the authorization grant LDAP attribute.

    To revoke a refresh token the super administrator must have the write access to the specified .

    In case you do not want to use this attribute or do not have write access to this attribute, you must disable this option.

    NOTE:The revocation of binary tokens is not supported.

    Authorization Code Timeout

    Specify the duration in minute after how long the authorization code becomes invalid.

    Access Token and ID Token Timeout

    Specify the duration in minute after how long the Access token and ID token become invalid.

    Refresh Token Timeout

    Specify the duration in minute after how long the Refresh token becomes invalid.

    Signing Certificate

    Select a signing certificate to sign the tokens.

    By default certificate is assigned with hashing algorithm details. The signing keys can be retrieved from .

    To add the external OAuth signing certificates in the certificate list, ensure that you have added the certificate in the keystore of the Identity Server.

    Contracts for Resource Owner Credentials Authentication

    Select the supported contracts from the list and move them to the Field.

    This option allows the administrator to configure the Resource Owner flow to execute specific authentication contract.

    It supports Name/Password based contracts only.

    The order of authentication contract execution must be as follows:

    1. The acr_values in request parameter.

    2. OAuth Global Setting option.

    3. Default contract.

    For example, If no acr_values and no global RO authentication contracts are specified, then only the default authentication contract of Identity server is executed.

    To select a custom contract for authentication, the custom authentication class must override the cbAuthenticate method.

    For more information, see the NetIQ Access Manager 4.5 SDK Guide.

  3. Click .

Configuring a Resource Server

Access Manager allows you to define the settings for encrypting an access token by adding a resource server in Identity Server. You can add a resource server based on the encryption requirement of each OAuth resource server.

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A resource server can validate and accept tokens sent by client applications, and then grant access to resources.

Access Manager also allows you to modify and delete configured resource servers. Configuring a resource server consists of the following actions:

Adding a Resource Server

Adding a resource server in Access Manager (Identity Server) is required only for specifying any of the following access token encryption mechanism for a specific OAuth resource server:

  • Encrypt using Access Manager key (default)

  • Encrypt using resource server key

  • No encryption

The access and ID tokens contains scopes (user’s claims) in the form of user attributes or permissions for the clients to use the protected resource.

You can configure scopes for each resource server.

When a client application requests for a token with specific scopes and the user provides the consent, Identity Server (authorization server) checks if the scope is available in any of the added resource servers. If available, the scope is added to the access token irrespective of the name of the resource server specified in the request.

Consider a scenario where an administrator adds resource servers RS1 and RS2 based on the access token encryption requirement of the corresponding OAuth resource servers.

The administrator configures RS1 to use Access Manager key for encrypting access token and configures RS2 to use the resource server's key.

In addition, the administrator defines the scope, Scope1 for resource server RS1 and the scope, Scope2 for resource server RS1.

RS1

Encrypt using Access Manager key

Scope1

RS2

Encrypt using resource server key

Scope2

Now, when the client application sends a token request with scope parameter as Scope1 and resourceServer parameter as RS2, Identity Server adds Scope1 to the token with the encryption mechanism specified in RS2.

Parameter

Value

Scope added to token

Token encryption mechanism

resourceServer

RS2

Scope1

Encrypted using resource server, RS2 key

scope

Scope1

Perform the following steps to add a resource server in Identity Server:

  1. Click > > > > .

  2. Click .

  3. Specify a name for the resource server.

  4. Select the appropriate encryption method for encrypting access token.

    Oauth for binary options

    For more information about encrypting an access token, see Encrypting Access Token.

    • Do not encrypt: Select this option if you do not require encryption of Access token.

    • Encrypt using Access Manager Key: This is the default option.

      If you select this option, the token is encrypted and validated by using Access Manager Keys.

    • Encrypt using Resource Server Key: This option is used for encrypting a token by using encryption algorithm and keys that the resource server can use for decrypting the token.

  5. (Conditional) If you select , specify the values for the following fields:

    For understanding the use of the following fields, see Encrypting the Token with Resource server Key.

    • Resource Server Encryption Keys: Specify the resource server’s JWKS.

      You can also specify the URL where the resource server keys are defined.

    • Token Encryption Algorithm: Specify an algorithm available in the resource server’s JWKS for generating random symmetric key to encrypt the access token.

    • Key Encryption Algorithm: Specify the algorithm that should be used for encrypting the key of the encrypted token by using the resource server’s public key.

      Ensure that this algorithm can be used by one of the public keys in the resource server’s JWKS or the URL.

      NOTE:If the specified key encryption algorithm does not match with the value of the algorithm in , Access Manager fails to send the token.

  6. Click .

    Continue with Defining Scopes for a Resource Server.

Restricting the Number of Requests

You can restrict the number of users accessing a service by updating the tomcat.conf file.

Linux:

Open /opt/novell/nam/idp/conf/tomcat.conf.

Add the following parameter:

JAVA_OPTS="${JAVA_OPTS} -Dcom.novell.oauth.threshold.maxrequestsallowed=<number of requests>"

For example, JAVA_OPTS="${JAVA_OPTS} -Dcom.novell.oauth.threshold.maxrequestsallowed=10".

It will not allow more than 10 requests per second.

Windows:

  1. Go to C:\Program Files\Novell\Tomcat\bin.

  2. Open .

  3. Navigate to the Java tab.

  4. Add the following option:

    JAVA_OPTS="${JAVA_OPTS} -Dcom.novell.oauth.threshold.maxrequestsallowed=<number of requests>"

  5. Click and restart Identity Server.

Defining Scopes for a Resource Server

A scope is a set of permissible actions that a client application can perform on the accessed resources.

You can define scopes by providing the user claims such as user attributes and permissions. The client application developer can request for required scopes, which the administrator can use for configuring the resource server in Identity Server (authorization server). However, there is no restriction for any client application to use any of the scopes configured in any resource server.

For more information, see Adding a Resource Server. Hence, it is recommended to select to get consent from the user whenever the scope contains user attributes.

When a user grants client applications access to protected resources, they can perform actions based on permissions defined in the scope.

For example, if you have defined a scope named email and defined permissions associated with this scope, such as read only.

A client application that will access the email can only read the content.

NOTE:

  • You can get LDAP based attributes in a scope.

  • You can configure roles as OAuth scope and use them to inject with the Identity Injection policy.

    Role attribute is calculated when the token is sent to .

  • If you have registered client application to use binary token, you cannot add user attributes and claims to the token.

Perform the following steps to define scopes and permissions:

  1. Click > > > > .

  2. Select the resource server name for which you want to define a new scope.

  3. Click .

  4. Specify the following details:

    Name

    Specify a name for the scope.

    Description

    Specify a description for the scope.

    The consent page shows this description.

    Include claims of type

    Select the type of the user’s claim that should be used in the scope.

    You can select any of the following types:

    • User Attributes: Select this option if you require using any of the user’s LDAP attributes in the scope.

      You can also use virtual attributes in the scope.

      NOTE:Virtual attributes can be used for LDAP based attributes and for constant values.

    • Custom Claims/Permissions: Select this option if you want to restrict specific permissions for this scope.

      This option is useful when a client application requires specific permission, such as read, write and so on to access a resource.

      For example, when you configure a read permission for the scope, the client application can request for this scope and get the token.

    Require user permission

    Select this option if this scope requires user’s consent before providing access to the protected resources.

    It is recommended to keep this option selected when user attribute is used in the scope.

    In a client credentials flow, the token will not include the scopes that require user permissions. Hence, deselect this option.

    NOTE:If you deselect this option, the scope will not get listed in the scopes_supported field of the metadata endpoint.

    Also, the claims_supported field of the metadata endpoint will not display the claims for this scope even if the user attribute or the custom claims/permissions are configured.

    Allow modification in consent

    Select this option to allow modification in consent. When selected, the resource owner can choose not to share the scope with the client application.

    The consent page will display a check box against each scope to choose the scopes that can be shared with the client applications.

  5. Click .

    Continue with Configuring User Claims or Permission in Scope.

Configuring User Claims or Permission in Scope

You can include user’s attributes or a client application’s claim in the scope.

  1. (Conditional) If you chose to create scope, perform the following:

    1. Select the required attribute set from the LDAP profile or create a new attribute set.

      This lists the user attributes in the attribute set.

      NOTE:You can add any configured LDAP based virtual attribute to the scope of the access token.

      You can add a virtual attribute by creating an attribute set that includes the virtual attributes. For more information about creating an attribute set, see Section 2.3.1, Configuring Attribute Sets.

    2. To add the user attribute scope to the access token, select the required attributes that should be added to the access token, then click > .

      If you want to remove a specific attribute from the access token, click > .

      When you remove the attribute from the access token, the attributes will not be removed from the already issued token.

    3. To add the user attribute scope to the ID token, select the required attributes that should be added to the ID token, then select > .

      NOTE:The token size varies based on the attribute value that is included in the token.

      Oauth for binary options

      Hence, it is recommended to include only the required attribute to the token.

      If you require to remove a specific attribute from the ID token, select the attribute then click > .

      NOTE:The attributes are not added to or removed from an already issued ID token.

    4. (Conditional) If you require the selected attributes to be available in both ID token and access token, then after selecting the attributes click > .

      If you require to remove specific attributes from both access token and ID token, then after selecting those attributes click > .

  2. (Conditional) If you have used , perform the following:

    1. Click to create a new custom claim.

    2. In , specify the permission that the client is allowed after consuming the access token.

    3. You can select the required claim that should be added to the access token, then select > .

      To remove a specific claim from the access token, click > .

      NOTE:The claims are not added to or removed from an already issued access token.

      You can view the new in the claims set. The key name is claims and the value is a list of strings.

    4. You can select the required claim that should be added to the ID token, then select > .

      To remove a specific claim from the ID token, click > .

      NOTE:The claims are not added to or removed from an already issued ID token. You can view the new in the claims set. The key name is claims and the value is a list of strings.

    5. (Conditional) If you require to select the claims that must be available for both access token and ID token, then after selecting the claims click > .

      If you require to remove claims from both the tokens, then after selecting the claims click > .

      NOTE:The claims are not added to or removed from the already issued tokens.

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      These claims are displayed as list of strings under the claims attribute in the access and the ID tokens.

Modifying Scopes of a Resource Server

You can modify the scopes of a registered resource server.

Access Manager allows you to delete a resource server or delete the scope of a resource server.

To modify scopes of a resource server, perform the following steps:

  1. Click > > > > .

    This page lists all registered resource servers.

  2. Click the resource server > scope you want to modify.

  3. On the Edit Scope page, modify the details as required. For more information about the fields on this page, see Defining Scopes for a Resource Server.

  4. Click .

Modifying Claims and Attributes

You can modify or delete a defined claim.

You can also update the attributes associated with a scope.

First, define your position...

If you have selected while creating the scope, Identity Server fetches the required information from the userinfo endpoint. You can change the associated LDAP attributes.

To delete a custom claim or permission, you can select the required permission and click .

For more information about user attributes and claims, see Defining Scopes for a Resource Server.

Registering OAuth Client Applications

A client application that sends API requests to Access Manager must be registered with Access Manager Identity Server.

As part of the registration, specify the client name, redirections (URIs), and any other provider-specific data required by the API. You can register a client application by using the API calls, Administration Console or the Identity Server user portal page.

Prerequisites for managing client applications include:

  • User Portal: Define any of the following roles in the OAuth policy for the user:

    • : Allows the user to view and modify the client registration details of the applications that the user has registered on the portal.

    • : Allows the user to view and modify the client registration details of all the client applications that are registered with Access Manager.

    The user (an application developer) must log in to Identity Server for registering a client application.

    The tab lists all the applications that the user has added.

    You can view details, modify, and delete applications.

  • API calls: Define the role in the OAuth policy for the user.

  • Administration Console: The user must request the Access Manager administrator to register a client application using Administration Console.

Registering OAuth Client Applications

Perform the following steps to register a client application:

  1. Click > > > > > .

  2. Specify the following details:

    Client Name

    Specify the name of the client application.

    Client Type

    Select whether this is a web-based or a desktop client application.

    If you select , gets displayed.

    You can select to allow single sign-on for a user who uses client applications on a desktop or a mobile.

    For example, a user accesses client A using the credentials and gets authenticated.

    Client A receives a refresh token and an access token. Now, user accesses client B immediately or after few days. If is enabled for client B, then the client uses the persistent cookie to retrieve the token and authenticate the user.

    Hence, client B will get authenticated automatically.

    If is not selected for client B configuration, user has to provide credentials to retrieve refresh token and access token.

    NOTE:When a client application uses the Authorization Code flow, the request must contain the revocation_id parameter along with the clientID parameter.

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    The revocation_id value can be the device ID.

    If the revocation_id parameter is not included in the request, the user cannot use the persistent cookie to authenticate from client B.

    Redirect URIs

    Specify the URI based on the Client type.

    Specify the URIs that Identity Server uses to send the authorization code and implicit requests.

    For web-based applications specify the client type in this format: https://client.example.org/callback

    For native/desktop applications, specify the client type in any one of the following formats:

    https://www.namnetiq.in/

    x-com.netiq.sample://www.namnetiq.in/

    urn:ietf:wg:oauth:2.0:oob (This is supported only for the authorization code flow).

    Grants Required

    Select the grant types required for this client application.

    Available grant types include:

    • Authorization Code (default)

    • Implicit

    • Resource Owner Credentials

    • Client Credentials

    • SAML 2.0 Assertion

    Token Types

    Select the token type that the authorization server will return to this client application.

    The following are available tokens:

    • Code

    • ID Token

    • Refresh Token

    • Access Token

    Refresh Token

    Select to issue a new refresh token on every refresh token request.

  3. (Conditional) If you have selected in under , then click and configure the following settings:

    • JSON Web Key Set URI: If you require to encrypt the ID token using the public key of the client application, then specify the client’s JSON Web Key Set URI.

      This is required to retrieve the encryption key that are defined in the JSON Web Key Set URI.

    • ID Token Signed Response Algorithm: This is a mandatory field for issuing ID token to a client application. If you require Identity Server to sign the ID token using a JWS algorithm, then select the appropriate signing algorithm. The signing algorithm depends on the certificate that is specified under Certificate Settings in the Global Settings page.

      For example, if in the page, is RS256, then select in this field.

      NOTE:If you select the option, the ID token is sent as an unsigned token.

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      Ensure that you select this option only if you can trust the integrity of an unsigned ID token.

    • ID Token Encrypted Response Algorithm: Specify the JWE algorithm that is required to encrypt the key of the encrypted content in the ID token.

      NOTE:Ensure to specify the algorithm that is defined in the specified so that the client application can use the private key to decrypt the token.

    • ID Token Encrypted Response Enc: This field gets auto-populated based on the algorithm specified in .

      This is the JWE enc algorithm that is required to encrypt the content of the ID token.

  4. Click .

    You can use this option to specify the required token format for the access and the refresh tokens.

    Also, you can use this option if you want to choose a specific timeout duration for a specific client application instead of using the duration mentioned in the global settings:

    • Authorization Code Timeout: Specify the duration after which the authorization code will expire.

    • Access Token and ID Token Timeout: Specify the duration after which the access and the ID token will expire.

    • Refresh Token Timeout: Specify the duration after which the refresh token will expire.

    • Access Token and Refresh Token Format: It is recommended to select JWT token, but you can select any of the following options based on the client application requirement:

      NOTE:This option is available in Access Manager 4.5 Service Pack 1 and later.

      • Default: Select this option to use the token format as either binary or JWT.

        The format will be set based on the value you set in the property of the Identity Server.

        Your Answer

        The values are described in the proceeding table:

        Set to

        Binary

        Set to

        JWT

        Unspecified

        JWT

        When you update the value or add the property, any client application with the option will consequently receive the succeeding tokens (access and refresh) in the changed format.

      • Binary: Select this option if the client application requires the tokens in binary format.

        When you select this option, the token format will always be binary irrespective of the value set in the property of the Identity Server.

        The binary tokens are always encrypted using Access Manager keys. To validate the token, the resource server uses the Access Manager and the endpoint.

        If the tokens are in binary format, the following features are unavailable:

        • Encrypting access token using the resource server key

        • Revoking a refresh token

        The option is recommended only if you have an existing client application that cannot use JWT because some browsers restrict the length of the parameter values.

      • JWT: This is the recommended format.

        Select this option if you require the client application to use tokens in JWT format. When you select this option, the token format will always be JWT irrespective of the value set in the property of the Identity Server.

  5. Click .

    Specify the following details:

    Client Logo URL

    Specify the URL of the logo that you want to include in the consent page.

    Privacy Policy URL

    Specify the URL of the privacy policy you want to include in the consent page.

    You can define your own privacy policy.

    Terms of Service URL

    Specify the URL of the terms of service.

    Contacts

    Specify email addresses of people related to this client application.

  6. Click and add .

    Oauth for binary options

    The domains configured here can access restricted resources available on the client application. This is an optional step.

    Examples: beem://www.test.com, fb://app.local.url, https://namapp.com

  7. Click .

    Identity Server assigns a client ID and a client secret. To see this ID and secret, go to the list of registered client applications on the Client Application page and click the view icon for this client application.

Modifying Registered Client Applications

To modify a registered client application, perform the following steps:

  1. Click > > > > .

    The page lists all registered client applications along with the following details:

    Client Application

    Name of the registered application

    Application Type

    Type of the application: Web or Native/Desktop

    Created By

    User name of the person who has registered the client application.

    Actions

    List of icons associated with actions that you can perform on an application.

    You can perform the following actions:

    • View details of a registered client application

    • Delete a registered client application

    • Modify details of a registered client application.

  2. Click the edit icon under .

    Oauth2 Advanced Options

    The Client Configuration page opens. Modify the details as required. For more information about fields, see Registering OAuth Client Applications.

  3. Click .

Oauth for binary options