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