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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.oauth2.sdk;
import com.nimbusds.jwt.JWT;
import com.nimbusds.jwt.JWTParser;
import com.nimbusds.oauth2.sdk.http.HTTPRequest;
import com.nimbusds.oauth2.sdk.http.HTTPResponse;
import com.nimbusds.oauth2.sdk.id.Issuer;
import com.nimbusds.oauth2.sdk.id.State;
import com.nimbusds.oauth2.sdk.util.MultivaluedMapUtils;
import com.nimbusds.oauth2.sdk.util.StringUtils;
import com.nimbusds.oauth2.sdk.util.URIUtils;
import net.jcip.annotations.Immutable;
import java.net.URI;
import java.util.*;
/**
* Authorisation error response. Intended only for errors which are allowed to
* be communicated back to the requesting OAuth 2.0 client, such as
* {@code access_denied}.
*
* If the authorisation request fails due to a missing, invalid, or
* mismatching {@code redirect_uri}, or if the {@code client_id} is missing or
* invalid, a response must not be sent back to the requesting
* client. Instead, the authorisation server should simply display the error
* to the resource owner.
*
*
Standard authorisation errors:
*
*
* - {@link OAuth2Error#INVALID_REQUEST}
*
- {@link OAuth2Error#UNAUTHORIZED_CLIENT}
*
- {@link OAuth2Error#ACCESS_DENIED}
*
- {@link OAuth2Error#UNSUPPORTED_RESPONSE_TYPE}
*
- {@link OAuth2Error#INVALID_SCOPE}
*
- {@link OAuth2Error#SERVER_ERROR}
*
- {@link OAuth2Error#TEMPORARILY_UNAVAILABLE}
*
*
* Example HTTP response:
*
*
* HTTP/1.1 302 Found
* Location: https://client.example.com/cb?
* error=invalid_request
* &error_description=the%20request%20is%20not%20valid%20or%20malformed
* &state=af0ifjsldkj
*
*
* Related specifications:
*
*
* - OAuth 2.0 (RFC 6749)
*
- OAuth 2.0 Multiple Response Type Encoding Practices 1.0
*
- OAuth 2.0 Form Post Response Mode 1.0
*
- Financial-grade API: JWT Secured Authorization Response Mode for
* OAuth 2.0 (JARM)
*
- OAuth 2.0 Authorization Server Issuer Identification (RFC 9207)
*
*/
@Immutable
public class AuthorizationErrorResponse
extends AuthorizationResponse
implements ErrorResponse {
/**
* The standard OAuth 2.0 errors for an Authorisation error response.
*/
private static final Set stdErrors = new HashSet<>();
static {
stdErrors.add(OAuth2Error.INVALID_REQUEST);
stdErrors.add(OAuth2Error.UNAUTHORIZED_CLIENT);
stdErrors.add(OAuth2Error.ACCESS_DENIED);
stdErrors.add(OAuth2Error.UNSUPPORTED_RESPONSE_TYPE);
stdErrors.add(OAuth2Error.INVALID_SCOPE);
stdErrors.add(OAuth2Error.SERVER_ERROR);
stdErrors.add(OAuth2Error.TEMPORARILY_UNAVAILABLE);
}
/**
* Gets the standard OAuth 2.0 errors for an Authorisation error
* response.
*
* @return The standard errors, as a read-only set.
*/
public static Set getStandardErrors() {
return Collections.unmodifiableSet(stdErrors);
}
/**
* The error.
*/
private final ErrorObject error;
/**
* Creates a new authorisation error response.
*
* @param redirectURI The base redirection URI. Must not be
* {@code null}.
* @param error The error. Should match one of the
* {@link #getStandardErrors standard errors} for an
* authorisation error response. Must not be
* {@code null}.
* @param state The state, {@code null} if not requested.
* @param rm The implied response mode, {@code null} if
* unknown.
*/
public AuthorizationErrorResponse(final URI redirectURI,
final ErrorObject error,
final State state,
final ResponseMode rm) {
this(redirectURI, error, state, null, rm);
}
/**
* Creates a new authorisation error response.
*
* @param redirectURI The base redirection URI. Must not be
* {@code null}.
* @param error The error. Should match one of the
* {@link #getStandardErrors standard errors} for an
* authorisation error response. Must not be
* {@code null}.
* @param state The state, {@code null} if not requested.
* @param issuer The issuer, {@code null} if not specified.
* @param rm The implied response mode, {@code null} if
* unknown.
*/
public AuthorizationErrorResponse(final URI redirectURI,
final ErrorObject error,
final State state,
final Issuer issuer,
final ResponseMode rm) {
super(redirectURI, state, issuer, rm);
if (error == null)
throw new IllegalArgumentException("The error must not be null");
this.error = error;
}
/**
* Creates a new JSON Web Token (JWT) secured authorisation error
* response.
*
* @param redirectURI The base redirection URI. Must not be
* {@code null}.
* @param jwtResponse The JWT-secured response. Must not be
* {@code null}.
* @param rm The implied response mode, {@code null} if
* unknown.
*/
public AuthorizationErrorResponse(final URI redirectURI,
final JWT jwtResponse,
final ResponseMode rm) {
super(redirectURI, jwtResponse, rm);
error = null;
}
@Override
public boolean indicatesSuccess() {
return false;
}
@Override
public ErrorObject getErrorObject() {
return error;
}
@Override
public ResponseMode impliedResponseMode() {
// Return "query" if not known, assumed the most frequent case
return getResponseMode() != null ? getResponseMode() : ResponseMode.QUERY;
}
@Override
public Map> toParameters() {
Map> params = new HashMap<>();
if (getJWTResponse() != null) {
// JARM, no other top-level parameters
params.put("response", Collections.singletonList(getJWTResponse().serialize()));
return params;
}
params.putAll(getErrorObject().toParameters());
if (getState() != null)
params.put("state", Collections.singletonList(getState().getValue()));
if (getIssuer() != null)
params.put("iss", Collections.singletonList(getIssuer().getValue()));
return params;
}
/**
* Parses an authorisation error response.
*
* @param redirectURI The base redirection URI. Must not be
* {@code null}.
* @param params The response parameters to parse. Must not be
* {@code null}.
*
* @return The authorisation error response.
*
* @throws ParseException If the parameters couldn't be parsed to an
* authorisation error response.
*/
public static AuthorizationErrorResponse parse(final URI redirectURI,
final Map> params)
throws ParseException {
// JARM, ignore other top level params
String responseString = MultivaluedMapUtils.getFirstValue(params, "response");
if (responseString != null) {
JWT jwtResponse;
try {
jwtResponse = JWTParser.parse(responseString);
} catch (java.text.ParseException e) {
throw new ParseException("Invalid JWT response: " + e.getMessage(), e);
}
return new AuthorizationErrorResponse(redirectURI, jwtResponse, ResponseMode.JWT);
}
// Parse the error
ErrorObject error = ErrorObject.parse(params);
if (StringUtils.isBlank(error.getCode())) {
throw new ParseException("Missing error code");
}
error = error.setHTTPStatusCode(HTTPResponse.SC_FOUND); // need a status code
// State
State state = State.parse(MultivaluedMapUtils.getFirstValue(params, "state"));
// Parse optional issuer, OAuth 2.0 Authorization Server Issuer Identification (RFC 9207)
Issuer issuer = Issuer.parse(MultivaluedMapUtils.getFirstValue(params, "iss"));
return new AuthorizationErrorResponse(redirectURI, error, state, issuer, null);
}
/**
* Parses an authorisation error response.
*
* Use a relative URI if the host, port and path details are not
* known:
*
*
* URI relUrl = new URI("https:///?error=invalid_request");
*
*
* Example URI:
*
*
* https://client.example.com/cb?
* error=invalid_request
* &error_description=the%20request%20is%20not%20valid%20or%20malformed
* &state=af0ifjsldkj
*
*
* @param uri The URI to parse. Can be absolute or relative, with a
* fragment or query string containing the authorisation
* response parameters. Must not be {@code null}.
*
* @return The authorisation error response.
*
* @throws ParseException If the URI couldn't be parsed to an
* authorisation error response.
*/
public static AuthorizationErrorResponse parse(final URI uri)
throws ParseException {
return parse(URIUtils.getBaseURI(uri), parseResponseParameters(uri));
}
/**
* Parses an authorisation error response from the specified initial
* HTTP 302 redirect response generated at the authorisation endpoint.
*
* Example HTTP response:
*
*
* HTTP/1.1 302 Found
* Location: https://client.example.com/cb?error=invalid_request&state=af0ifjsldkj
*
*
* @see #parse(HTTPRequest)
*
* @param httpResponse The HTTP response to parse. Must not be
* {@code null}.
*
* @return The authorisation error response.
*
* @throws ParseException If the HTTP response couldn't be parsed to an
* authorisation error response.
*/
public static AuthorizationErrorResponse parse(final HTTPResponse httpResponse)
throws ParseException {
URI location = httpResponse.getLocation();
if (location == null) {
throw new ParseException("Missing redirection URL / HTTP Location header");
}
return parse(location);
}
/**
* Parses an authorisation error response from the specified HTTP
* request at the client redirection (callback) URI. Applies to
* {@code query}, {@code fragment} and {@code form_post} response
* modes.
*
* Example HTTP request (authorisation success):
*
*
* GET /cb?error=invalid_request&state=af0ifjsldkj HTTP/1.1
* Host: client.example.com
*
*
* @see #parse(HTTPResponse)
*
* @param httpRequest The HTTP request to parse. Must not be
* {@code null}.
*
* @return The authorisation error response.
*
* @throws ParseException If the HTTP request couldn't be parsed to an
* authorisation error response.
*/
public static AuthorizationErrorResponse parse(final HTTPRequest httpRequest)
throws ParseException {
return parse(httpRequest.getURI(), parseResponseParameters(httpRequest));
}
}