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OAuth 2.0 SDK with OpenID Connection extensions for developing client
and server applications.
/*
* oauth2-oidc-sdk
*
* Copyright 2012-2016, Connect2id Ltd and contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package com.nimbusds.openid.connect.sdk;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.LinkedHashMap;
import java.util.Map;
import com.nimbusds.jwt.JWT;
import com.nimbusds.jwt.JWTParser;
import com.nimbusds.oauth2.sdk.AbstractRequest;
import com.nimbusds.oauth2.sdk.ParseException;
import com.nimbusds.oauth2.sdk.SerializeException;
import com.nimbusds.oauth2.sdk.http.HTTPRequest;
import com.nimbusds.oauth2.sdk.id.State;
import com.nimbusds.oauth2.sdk.util.URIUtils;
import com.nimbusds.oauth2.sdk.util.URLUtils;
import net.jcip.annotations.Immutable;
import org.apache.commons.lang3.StringUtils;
/**
* Logout request initiated by an OpenID relying party (RP).
*
* Example HTTP request:
*
*
* https://server.example.com/op/logout?
* id_token_hint=eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* &post_logout_redirect_uri=https%3A%2F%2Fclient.example.org%2Fpost-logout
* &state=af0ifjsldkj
*
*
* Related specifications:
*
*
* - OpenID Connect Session Management 1.0, section 5.
*
*/
@Immutable
public class LogoutRequest extends AbstractRequest {
/**
* The ID token hint (recommended).
*/
private final JWT idTokenHint;
/**
* The optional post-logout redirection URI.
*/
private final URI postLogoutRedirectURI;
/**
* The optional state parameter.
*/
private final State state;
/**
* Creates a new OpenID Connect logout request.
*
* @param uri The URI of the end-session endpoint.
* May be {@code null} if the
* {@link #toHTTPRequest} method will not
* be used.
* @param idTokenHint The ID token hint (recommended),
* {@code null} if not specified.
* @param postLogoutRedirectURI The optional post-logout redirection
* URI, {@code null} if not specified.
* @param state The optional state parameter for the
* post-logout redirection URI,
* {@code null} if not specified.
*/
public LogoutRequest(final URI uri,
final JWT idTokenHint,
final URI postLogoutRedirectURI,
final State state) {
super(uri);
this.idTokenHint = idTokenHint;
this.postLogoutRedirectURI = postLogoutRedirectURI;
if (postLogoutRedirectURI == null && state != null) {
throw new IllegalArgumentException("The state parameter required a post-logout redirection URI");
}
this.state = state;
}
/**
* Creates a new OpenID Connect logout request without a post-logout
* redirection.
*
* @param uri The URI of the end-session endpoint. May be
* {@code null} if the {@link #toHTTPRequest} method
* will not be used.
* @param idTokenHint The ID token hint (recommended), {@code null} if
* not specified.
*/
public LogoutRequest(final URI uri,
final JWT idTokenHint) {
this(uri, idTokenHint, null, null);
}
/**
* Creates a new OpenID Connect logout request without a post-logout
* redirection.
*
* @param uri The URI of the end-session endpoint. May be {@code null}
* if the {@link #toHTTPRequest} method will not be used.
*/
public LogoutRequest(final URI uri) {
this(uri, null, null, null);
}
/**
* Returns the ID token hint.
*
* @return The ID token hint, {@code null} if not specified.
*/
public JWT getIDTokenHint() {
return idTokenHint;
}
/**
* Return the post-logout redirection URI.
*
* @return The post-logout redirection URI, {@code null} if not
* specified.
*/
public URI getPostLogoutRedirectionURI() {
return postLogoutRedirectURI;
}
/**
* Returns the state parameter for a post-logout redirection URI.
*
* @return The state parameter, {@code null} if not specified.
*/
public State getState() {
return state;
}
/**
* Returns the parameters for this logout request.
*
* Example parameters:
*
*
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* post_logout_redirect_uri = https://client.example.com/post-logout
* state = af0ifjsldkj
*
*
* @return The parameters.
*/
public Map toParameters() {
Map params = new LinkedHashMap<>();
if (idTokenHint != null) {
try {
params.put("id_token_hint", idTokenHint.serialize());
} catch (IllegalStateException e) {
throw new SerializeException("Couldn't serialize ID token: " + e.getMessage(), e);
}
}
if (postLogoutRedirectURI != null) {
params.put("post_logout_redirect_uri", postLogoutRedirectURI.toString());
}
if (state != null) {
params.put("state", state.getValue());
}
return params;
}
/**
* Returns the URI query string for this logout request.
*
* Note that the '?' character preceding the query string in an URI
* is not included in the returned string.
*
*
Example URI query string:
*
*
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* &post_logout_redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fpost-logout
* &state=af0ifjsldkj
*
*
* @return The URI query string.
*/
public String toQueryString() {
return URLUtils.serializeParameters(toParameters());
}
/**
* Returns the complete URI representation for this logout request,
* consisting of the {@link #getEndpointURI end-session endpoint URI}
* with the {@link #toQueryString query string} appended.
*
* Example URI:
*
*
* https://server.example.com/logout?
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* &post_logout_redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fpost-logout
* &state=af0ifjsldkj
*
*
* @return The URI representation.
*/
public URI toURI() {
if (getEndpointURI() == null)
throw new SerializeException("The end-session endpoint URI is not specified");
String query = toQueryString();
if (StringUtils.isNotBlank(query)) {
query = '?' + query;
}
try {
return new URI(getEndpointURI() + query);
} catch (URISyntaxException e) {
throw new SerializeException("Couldn't append query string: " + e.getMessage(), e);
}
}
@Override
public HTTPRequest toHTTPRequest() {
if (getEndpointURI() == null)
throw new SerializeException("The endpoint URI is not specified");
HTTPRequest httpRequest;
URL endpointURL;
try {
endpointURL = getEndpointURI().toURL();
} catch (MalformedURLException e) {
throw new SerializeException(e.getMessage(), e);
}
httpRequest = new HTTPRequest(HTTPRequest.Method.GET, endpointURL);
httpRequest.setQuery(toQueryString());
return httpRequest;
}
/**
* Parses a logout request from the specified parameters.
*
* Example parameters:
*
*
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* post_logout_redirect_uri = https://client.example.com/post-logout
* state = af0ifjsldkj
*
*
* @param params The parameters, empty map if none. Must not be
* {@code null}.
*
* @return The logout request.
*
* @throws ParseException If the parameters couldn't be parsed to a
* logout request.
*/
public static LogoutRequest parse(final Map params)
throws ParseException {
return parse(null, params);
}
/**
* Parses a logout request from the specified parameters.
*
* Example parameters:
*
*
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* post_logout_redirect_uri = https://client.example.com/post-logout
* state = af0ifjsldkj
*
*
* @param uri The URI of the end-session endpoint. May be
* {@code null} if the {@link #toHTTPRequest()} method
* will not be used.
* @param params The parameters, empty map if none. Must not be
* {@code null}.
*
* @return The logout request.
*
* @throws ParseException If the parameters couldn't be parsed to a
* logout request.
*/
public static LogoutRequest parse(final URI uri, final Map params)
throws ParseException {
String v = params.get("id_token_hint");
JWT idTokenHint = null;
if (StringUtils.isNotBlank(v)) {
try {
idTokenHint = JWTParser.parse(v);
} catch (java.text.ParseException e) {
throw new ParseException("Invalid ID token hint: " + e.getMessage(), e);
}
}
v = params.get("post_logout_redirect_uri");
URI postLogoutRedirectURI = null;
if (StringUtils.isNotBlank(v)) {
try {
postLogoutRedirectURI = new URI(v);
} catch (URISyntaxException e) {
throw new ParseException("Invalid \"post_logout_redirect_uri\" parameter: " + e.getMessage(), e);
}
}
State state = null;
v = params.get("state");
if (postLogoutRedirectURI != null && StringUtils.isNotBlank(v)) {
state = new State(v);
}
return new LogoutRequest(uri, idTokenHint, postLogoutRedirectURI, state);
}
/**
* Parses a logout request from the specified URI query string.
*
* Example URI query string:
*
*
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* &post_logout_redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fpost-logout
* &state=af0ifjsldkj
*
*
* @param query The URI query string, {@code null} if none.
*
* @return The logout request.
*
* @throws ParseException If the query string couldn't be parsed to a
* logout request.
*/
public static LogoutRequest parse(final String query)
throws ParseException {
return parse(null, URLUtils.parseParameters(query));
}
/**
* Parses a logout request from the specified URI query string.
*
* Example URI query string:
*
*
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* &post_logout_redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fpost-logout
* &state=af0ifjsldkj
*
*
* @param uri The URI of the end-session endpoint. May be
* {@code null} if the {@link #toHTTPRequest()} method
* will not be used.
* @param query The URI query string, {@code null} if none.
*
* @return The logout request.
*
* @throws ParseException If the query string couldn't be parsed to a
* logout request.
*/
public static LogoutRequest parse(final URI uri, final String query)
throws ParseException {
return parse(uri, URLUtils.parseParameters(query));
}
/**
* Parses a logout request from the specified URI.
*
* Example URI:
*
*
* https://server.example.com/logout?
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* &post_logout_redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fpost-logout
* &state=af0ifjsldkj
*
*
* @param uri The URI. Must not be {@code null}.
*
* @return The logout request.
*
* @throws ParseException If the URI couldn't be parsed to a logout
* request.
*/
public static LogoutRequest parse(final URI uri)
throws ParseException {
return parse(URIUtils.getBaseURI(uri), URLUtils.parseParameters(uri.getRawQuery()));
}
/**
* Parses a logout request from the specified HTTP request.
*
* Example HTTP request (GET):
*
*
* https://server.example.com/logout?
* id_token_hint = eyJhbGciOiJSUzI1NiJ9.eyJpc3Mi...
* &post_logout_redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fpost-logout
* &state=af0ifjsldkj
*
*
* @param httpRequest The HTTP request. Must not be {@code null}.
*
* @return The logout request.
*
* @throws ParseException If the HTTP request couldn't be parsed to a
* logout request.
*/
public static LogoutRequest parse(final HTTPRequest httpRequest)
throws ParseException {
String query = httpRequest.getQuery();
if (query == null)
throw new ParseException("Missing URI query string");
try {
return parse(URIUtils.getBaseURI(httpRequest.getURL().toURI()), query);
} catch (URISyntaxException e) {
throw new ParseException(e.getMessage(), e);
}
}
}