com.nimbusds.oauth2.sdk.client.ClientReadRequest Maven / Gradle / Ivy

package com.nimbusds.oauth2.sdk.client;


import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

import net.jcip.annotations.Immutable;

import com.nimbusds.oauth2.sdk.ParseException;
import com.nimbusds.oauth2.sdk.ProtectedResourceRequest;
import com.nimbusds.oauth2.sdk.SerializeException;
import com.nimbusds.oauth2.sdk.http.HTTPRequest;
import com.nimbusds.oauth2.sdk.token.BearerAccessToken;


/**
 * Client read request.
 *
 * Example HTTP request:
 *
 * 
 * GET /register/s6BhdRkqt3 HTTP/1.1
 * Accept: application/json
 * Host: server.example.com
 * Authorization: Bearer reg-23410913-abewfq.123483
 * 
 *
 * Related specifications:
 *
 * 

 *     OAuth 2.0 Dynamic Client Registration Management Protocol (RFC
 *         7592), section 2.1.
 *     
OAuth 2.0 Dynamic Client Registration Protocol (RFC 7591), section
 *         2.
 * 
 */
@Immutable
public class ClientReadRequest extends ProtectedResourceRequest {


	/**
	 * Creates a new client read request.
	 *
	 * @param uri         The URI of the client configuration endpoint. May 
	 *                    be {@code null} if the {@link #toHTTPRequest()}
	 *                    method will not be used.
	 * @param accessToken An OAuth 2.0 Bearer access token for the request. 
	 *                    Must not be {@code null}.
	 */
	public ClientReadRequest(final URI uri, final BearerAccessToken accessToken) {

		super(uri, accessToken);

		if (accessToken == null)
			throw new IllegalArgumentException("The access token must not be null");
	}


	@Override
	public HTTPRequest toHTTPRequest() {
		
		if (getEndpointURI() == null)
			throw new SerializeException("The endpoint URI is not specified");

		URL endpointURL;

		try {
			endpointURL = getEndpointURI().toURL();

		} catch (MalformedURLException e) {

			throw new SerializeException(e.getMessage(), e);
		}
	
		HTTPRequest httpRequest = new HTTPRequest(HTTPRequest.Method.GET, endpointURL);
		httpRequest.setAuthorization(getAccessToken().toAuthorizationHeader());
		return httpRequest;
	}


	/**
	 * Parses a client read request from the specified HTTP GET request.
	 *
	 * @param httpRequest The HTTP request. Must not be {@code null}.
	 *
	 * @return The client read request.
	 *
	 * @throws ParseException If the HTTP request couldn't be parsed to a 
	 *                        client read request.
	 */
	public static ClientReadRequest parse(final HTTPRequest httpRequest)
		throws ParseException {

		httpRequest.ensureMethod(HTTPRequest.Method.GET);

		BearerAccessToken accessToken = BearerAccessToken.parse(httpRequest.getAuthorization());

		URI endpointURI;

		try {
			endpointURI = httpRequest.getURL().toURI();

		} catch (URISyntaxException e) {

			throw new ParseException(e.getMessage(), e);
		}
		
		return new ClientReadRequest(endpointURI, accessToken);
	}
}