Keycloak: How-to

Create a custom scope

1. Open the Keycloak administration console

2. Open the “Client Scopes” tab

3. Click “Create”

4. Enter the following information:

   1. Name: modelop_client

   2. Description: A ModelOp custom scope used to distinguish between an OAuth2 client and an end-user

   3. Protocol: openid-connect

   4. Display On Consent Screen: OFF

   5. Include in Token Scope: ON

   6. GUI order:

5. Click “Save”

Create a group mapper

1. Open the Keycloak administration console

2. Open the “User Federation” tab

3. Select the LDAP provider

4. Open the “Mappers” tab

5. Click “Create”

6. Enter the following information:

   1. Name: modelOpGroups

   2. Mapper Type: user-attribute-ldap-mapper

   3. User Model Attribute: memberOf

   4. LDAP Attribute: <Enter the name of the mapped attribute on LDAP object containing the user’s groups>

   5. Read Only: ON

   6. Always Read Value From LDAP: ON

   7. Is Mandatory in LDAP: OFF

   8. Is Binary Attribute: OFF

7. Click “Save”

Once the group mapper is defined, it needs to be applied to all users by following these steps, starting with “Step 3. Select the LDAP provider” listed above:

1. Open the “Settings” tab

2. Click “Synchronize all users”

Create a group mapper with a hardcoded value

1. Open the Keycloak administration console

2. Open the “User Federation” tab

3. Select the LDAP provider

4. Open the “Mappers” tab

5. Click “Create”

6. Enter the following information:

   1. Name: modelOpGroups

   2. Mapper Type: hardcoded-attribute-mapper

   3. User Model Attribute Name: memberOf

   4. Attribute Value: modelop

7. Click “Save”

Official Keycloak Resources

The following links from the official Keycloak documentation are excellent resources that cover the topics and settings required for ModelOp Center:

• Core concepts and terms

• Creating a realm

• LDAP provider

• LDAP mappers

• Client scopes

• Creating an OpenID Connect client