HTTP RESTful API for SPACE

HTTP REST client implemented in Java for Subscription and Pricing Access Control Engine (SPACE).

Features

• Read, create and update user's subscriptions
• Verify a user's feature availability based on their subscription
• Configure SPACE client with:
  • Host (required)
  • Port (optional, by default SPACE listens on port 5403)
  • SPACE URL path prefix (optional, by default space is under api/v1, i.e., http://example.com/api/v1)
  • Read and write timeout of HTTP client (optional, uses OkHTTP client under the hood)

SPACE client implements the following operations of SPACE OAS:

• POST /contracts
• GET /contracts/{userId}
• PUT /contracts/{userId}
• POST /features/{userId}/{featureId}
• POST /features/{userId}/pricing-token

Installation

Requirements

• Java 11 or later
• Apache Maven 3.6.3 or later (excluding 4.X)

Maven

<dependency>
    <groupId>io.github.pgmarc.space</groupId>
    <artifactId>space-client</artifactId>
    <version>0.0.1-SNAPSHOT</version>
</dependency>

To build and install the jar locally execute the following:

cd space-client
mvn clean install

Usage

Before using SpaceClient you will need to do the following:

1. Start a SPACE instance in your machine
2. Get the corresponding api key for the required role
3. As MANAGER or ADMIN add a service in SPACE by uploading a pricing in Pricing2Yaml format specification

See Pricing4SaaS docs for more information.

Warning

API Keys are secrets and should be kept safe end encrypted.

Configure SpaceClient using the builder:

SpaceClient client = SpaceClient.builder("example.com", apiKey)
        .port(8080)
        .path("example/path")
        .build();

Create subscriptions:

UserContact contact = UserContact
        .builder("3f5f934c-951b-4a2d-ad10-b1679ac9b7ba", "example-user").build();

SubscriptionRequest createSubscriptionRequest = SubscriptionRequest.builder(contact)
    .startService("Petclinic", "2024")
        .plan("Enterprise")
        .addOn("petLover", 1)
    .endService()
    .build();

Subscription subscription = client.contracts().addContract(createSubscriptionRequest);

Evaluate subscription features at runtime:

String userId = "3f5f934c-951b-4a2d-ad10-b1679ac9b7ba";
FeatureEvaluationResult result = client
        .features()
        .evaluate(userid, "Petclinic", "pets");

These are just some examples, but you can find more in examples directory.

Documentation

You read more documentation about SPACE in SPHERE docs.