001 package com.nimbusds.oauth2.sdk;
002
003
004 /**
005 * OAuth 2.0 authorisation and token endpoint errors.
006 *
007 * @author Vladimir Dzhuvinov
008 * @version $version$ (2013-01-29)
009 */
010 public final class OAuth2Error {
011
012
013 // Base OAuth 2.0 authorisation errors
014
015 /**
016 * The request is missing a required parameter, includes an invalid
017 * parameter code, or is otherwise malformed.
018 */
019 public static final ErrorObject INVALID_REQUEST =
020 new ErrorObject("invalid_request", "Invalid request");
021
022
023 /**
024 * The client is not authorised to request an authorisation code using
025 * this method.
026 */
027 public static final ErrorObject UNAUTHORIZED_CLIENT =
028 new ErrorObject("unauthorized_client", "Unauthorized client");
029
030
031 /**
032 * The resource owner or authorisation server denied the request.
033 */
034 public static final ErrorObject ACCESS_DENIED =
035 new ErrorObject("access_denied", "Access denied by resource owner or authorization server");
036
037
038 /**
039 * The authorisation server does not support obtaining an authorisation
040 * code using this method.
041 */
042 public static final ErrorObject UNSUPPORTED_RESPONSE_TYPE =
043 new ErrorObject("unsupported_response_type", "Unsupported response type");
044
045
046 /**
047 * The requested scope is invalid, unknown, or malformed.
048 */
049 public static final ErrorObject INVALID_SCOPE =
050 new ErrorObject("invalid_scope", "Invalid, unknown or malformed scope");
051
052
053 /**
054 * The authorisation server encountered an unexpected condition which
055 * prevented it from fulfilling the request.
056 */
057 public static final ErrorObject SERVER_ERROR =
058 new ErrorObject("server_error", "Unexpected server error");
059
060
061 /**
062 * The authorisation server is currently unable to handle the request
063 * due to a temporary overloading or maintenance of the server.
064 */
065 public static final ErrorObject TEMPORARILY_UNAVAILABLE =
066 new ErrorObject("temporarily_unavailable", "The authorization server is temporarily unavailable");
067
068
069 // Token, Base OAuth 2.0 authorisation errors, section 5.2
070
071 /**
072 * Client authentication failed (e.g. unknown client, no client
073 * authentication included, or unsupported authentication method).
074 */
075 public static final ErrorObject INVALID_CLIENT =
076 new ErrorObject("invalid_client", "Client authentication failed");
077
078
079 /**
080 * The provided authorisation grant (e.g. authorisation code, resource
081 * owner credentials) or refresh token is invalid, expired, revoked,
082 * does not match the redirection URI used in the authorization request,
083 * or was issued to another client.
084 */
085 public static final ErrorObject INVALID_GRANT =
086 new ErrorObject("invalid_grant", "Invalid grant");
087
088
089 /**
090 * The authorisation grant type is not supported by the authorisation
091 * server.
092 */
093 public static final ErrorObject UNSUPPORTED_GRANT_TYPE =
094 new ErrorObject("unsupported_grant_type", "Unsupported grant type");
095
096
097 /**
098 * Prevents public instantiation.
099 */
100 private OAuth2Error() { }
101 }