SCIM User API Basics

Liferay DXP 2024.Q1+ Beta Feature

Liferay provides a headless API to perform CRUD operations on SCIM users to keep their identity information in sync with your company’s applications. Use the /scim endpoint from the API Explorer to manage SCIM users.

Adding a User

Start a new Liferay DXP instance by running

docker run -it -m 8g -p 8080:8080 liferay/dxp:2024.q1.1

Sign in to Liferay at http://localhost:8080 using the email address test@liferay.com and the password test. When prompted, change the password to learn.

Once Liferay is running,

  1. Download and unzip SCIM User API Basics.

    curl https://resources.learn.liferay.com/dxp/latest/en/installation-and-upgrades/securing-liferay/developer-guide/liferay-g7y9.zip -O
    
    unzip liferay-g7y9.zip
    
  2. Use the cURL script to add a SCIM user in Liferay. On the command line, navigate to the curl folder. Execute the User_POST_ToInstance.sh script.

    ./User_POST_ToInstance.sh
    

    The JSON response shows the addition of a new SCIM user:

    {
       "emails": [
          {
             "type": "default",
             "value": "able@liferay.com",
             "primary": true
          }
       ],
       "meta": {
          "created": "2024-03-13T09:53:22Z",
          "location": "http://localhost:8080/o/scim/v1.0/v2/Users/36433",
          "lastModified": "2024-03-13T09:53:23Z",
          "resourceType": "User"
       },
       "schemas": [
          "urn:ietf:params:scim:schemas:core:2.0:User",
          "urn:ietf:params:scim:schemas:extension:liferay:2.0:User"
       ],
       "urn:ietf:params:scim:schemas:extension:liferay:2.0:User": {
          "birthday": "1970-01-01",
          "male": true
       },
       "name": {
          "familyName": "Baker",
          "givenName": "Able"
       },
       "active": true,
       "externalId": "1446cf10-3de9-6e11-dd15-c561de806259",
       "id": "36433",
       "title": "",
       "userName": "able.baker"
    }
    
  3. Verify this by opening the Global Menu (Applications Menu icon), and navigating to Control PanelUsers and Organizations. See that a new user has been added.

    See that a new user has been added.

  4. Alternatively, call the REST service using the Java client. Navigate into the java folder and compile the source files:

    javac -classpath .:* *.java
    
  5. Run the User_POST_ToInstance class.

    java -classpath .:* User_POST_ToInstance
    

Examine the cURL Command

The User_POST_ToInstance.sh script calls the REST service with a cURL command.

curl \
   "http://localhost:8080/o/scim/v1.0/v2/Users" \
   --data-raw '
      {
         "active": "'true'",
         "emails": [
            {
               "primary": "'true'",
               "type": "default",
               "value": "able@liferay.com"
            }
         ],
         "name": {
            "familyName": "Baker",
            "givenName": "Able"
         },
         "userName": "able.baker"
      }' \
   --header "Content-Type: application/scim+json" \
   --request "POST" \
   --user "test@liferay.com:learn"

Here are the command’s arguments:

ArgumentsDescription
"http://localhost:8080/o/scim/v1.0/v2/Users"The REST service endpoint
--data-raw "{ "active": "'true'", "emails": [ { "primary": "'true'", "type": "default", "value": "able@liferay.com" } ], "name": { "familyName": "Baker", "givenName": "Able" }, "userName": "able.baker" }"The data to post
--header "Content-Type: application/scim+json"Indicates that the request body format is in JSON and conforms to the SCIM protocol.
--request "POST"The HTTP method to invoke at the specified endpoint
--user "test@liferay.com:learn"Basic authentication credentials
Note

Basic authentication is used here for demonstration purposes. For production, you should authorize users via OAuth2. See Using OAuth2 to Authorize Users for a sample React application using OAuth2.

Examine the Java Class

The User_POST_ToInstance.java class adds a SCIM user by calling the UserResource service.

public static void main(String[] args) throws Exception {
	UserResource.Builder builder = UserResource.builder();

	UserResource userResource = builder.authentication(
		"test@liferay.com", "learn"
	).build();

	userResource.postV2User(
		new User() {
			{
				active = true;
				name = new Name() {
					{
						familyName = "Baker";
						givenName = "Able";
					}
				};
				emails = new MultiValuedAttribute[] {
					new MultiValuedAttribute() {
						{
							primary = true;
							type = "default";
							value = "able@liferay.com";
						}
					}
				};
				userName = "able.baker";
			}
		});
}

This class invokes the REST service using only three lines of code:

Line (abbreviated)Description
UserResource.Builder builder = ...Get a Builder for generating a UserResource service instance.
UserResource userResource = builder.authentication(...).build();Use basic authentication and generate a UserResource service instance.
userResource.postV2User(...);Call the userResource.postV2User method.

Note that the project includes the com.liferay.scim.rest.client.jar file as a dependency. You can find client JAR dependency information for all REST applications in the API explorer in your installation at /o/api (e.g., http://localhost:8080/o/api).

Note

The main method’s comment demonstrates running the class.

Important

See UserResource for service details.

Users_GET_FromInstance.sh

Command:

./Users_GET_FromInstance.sh

Code:

curl \
   "http://localhost:8080/o/scim/v1.0/v2/Users" \
   --user "test@liferay.com:learn"

Users_GET_FromInstance.java

Command:

java -classpath .:* Users_GET_FromInstance

Code:

public static void main(String[] args) throws Exception {
	UserResource.Builder builder = UserResource.builder();

	UserResource userResource = builder.authentication(
		"test@liferay.com", "learn"
	).build();

	System.out.println(userResource.getV2Users(null, null));
}

The User objects of your Liferay instance are listed in JSON.

Read API Query Parameters for more information.

Get a User

Get a specific user with the following cURL or Java command. Replace 1234 with the user’s ID.

Tip

Use Users_GET_FromInstance.[java|sh] to get a list of all users, and note the id of the user you want specifically.

User_GET_ById.sh

Command:

./User_GET_ById.sh 1234

Code:

curl \
   "http://localhost:8080/o/scim/v1.0/v2/Users/${1}" \
   --user "test@liferay.com:learn"

User_GET_ById.java

Command:

java -classpath .:* -DuserId=1234 User_GET_ById

Code:

public static void main(String[] args) throws Exception {
	UserResource.Builder builder = UserResource.builder();

	UserResource userResource = builder.authentication(
		"test@liferay.com", "learn"
	).build();

	System.out.println(
		userResource.getV2UserById(
			String.valueOf(System.getProperty("userId"))));
}

The User fields are listed in JSON.

Put a User

Update an existing user with the following cURL and Java commands. Replace 1234 with your user’s ID.

User_PUT_ById.sh

Command:

./User_PUT_ById.sh 1234

Code:

curl \
   "http://localhost:8080/o/scim/v1.0/v2/Users/${1}" \
   --data-raw '
      {
         "emails": [
            {
               "primary": true,
               "type": "default",
               "value": "able@liferay.com"
            }
         ],
         "name": {
            "familyName": "Charlie",
            "givenName": "Able"
         },
         "userName": "able.baker"
      }' \
   --header "Content-Type: application/scim+json" \
   --request "PUT" \
   --user "test@liferay.com:learn"

User_PUT_ById.java

Command:

java -classpath .:* -DuserId=1234 User_PUT_ById

Code:

public static void main(String[] args) throws Exception {
	UserResource.Builder builder = UserResource.builder();

	UserResource userResource = builder.authentication(
		"test@liferay.com", "learn"
	).build();

	userResource.putV2User(
		String.valueOf(System.getProperty("userId")),
		new User() {
			{
				name = new Name() {
					{
						familyName = "Charlie";
						givenName = "Able";
					}
				};
				emails = new MultiValuedAttribute[] {
					new MultiValuedAttribute() {
						{
							primary = true;
							type = "default";
							value = "able@liferay.com";
						}
					}
				};
				userName = "able.baker";
			}
		});
}

Deactivate a User

Deactivate an existing user with the following cURL and Java commands. Replace 1234 with your user’s ID.

User_DELETE_ById.sh

Command:

./User_DELETE_ById.sh 1234

Code:

curl \
   "http://localhost:8080/o/scim/v1.0/v2/Users/${1}" \
   --request "DELETE" \
   --user "test@liferay.com:learn"

User_DELETE_ById.java

Command

java -classpath .:* -DuserId=1234 User_DELETE_ById

Code:

public static void main(String[] args) throws Exception {
	UserResource.Builder builder = UserResource.builder();

	UserResource userResource = builder.authentication(
		"test@liferay.com", "learn"
	).build();

	userResource.deleteV2User(String.valueOf(System.getProperty("userId")));
}

The API Explorer lists all of the User services and schemas and has an interface to try out each service.

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