com.nimbusds.oauth2.sdk.token

Class BearerTokenError

java.lang.Object

com.nimbusds.oauth2.sdk.ErrorObject

com.nimbusds.oauth2.sdk.token.BearerTokenError

@Immutable
public class BearerTokenError
extends ErrorObject

OAuth 2.0 bearer token error. Used to indicate that access to a resource protected by a Bearer access token is denied, due to the request or token being invalid, or due to the access token having insufficient scope.

Standard bearer access token errors:

• MISSING_TOKEN
• INVALID_REQUEST
• INVALID_TOKEN
• INSUFFICIENT_SCOPE

Example HTTP response:

 HTTP/1.1 401 Unauthorized
 WWW-Authenticate: Bearer realm="example.com",
                   error="invalid_token",
                   error_description="The access token expired"
 

Related specifications:

• OAuth 2.0 Bearer Token Usage (RFC 6750), section 3.1.

Author:

Vladimir Dzhuvinov

Field Summary

Fields

Modifier and Type	Field and Description
static BearerTokenError	INSUFFICIENT_SCOPE The request requires higher privileges than provided by the access token.
static BearerTokenError	INVALID_REQUEST The request is missing a required parameter, includes an unsupported parameter or parameter value, repeats the same parameter, uses more than one method for including an access token, or is otherwise malformed.
static BearerTokenError	INVALID_TOKEN The access token provided is expired, revoked, malformed, or invalid for other reasons.
static BearerTokenError	MISSING_TOKEN The request does not contain an access token.

Constructor Summary

Constructors

Constructor and Description
BearerTokenError(String code, String description) Creates a new OAuth 2.0 bearer token error with the specified code and description.
BearerTokenError(String code, String description, int httpStatusCode) Creates a new OAuth 2.0 bearer token error with the specified code, description and HTTP status code.
BearerTokenError(String code, String description, int httpStatusCode, URL uri, String realm, Scope scope) Creates a new OAuth 2.0 bearer token error with the specified code, description, HTTP status code, page URI, realm and scope.

Method Summary

Methods

Modifier and Type	Method and Description
String	getRealm() Gets the realm.
Scope	getScope() Gets the required scope.
static BearerTokenError	parse(String wwwAuth) Parses an OAuth 2.0 bearer token error from the specified HTTP response WWW-Authenticate header.
BearerTokenError	setRealm(String realm) Sets the realm.
BearerTokenError	setScope(Scope scope) Sets the required scope.
String	toWWWAuthenticateHeader() Returns the WWW-Authenticate HTTP response header code for this bearer access token error response.

Methods inherited from class com.nimbusds.oauth2.sdk.ErrorObject

appendDescription, equals, getCode, getDescription, getHTTPStatusCode, getURI, hashCode, setDescription, setHTTPStatusCode, setURI, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

MISSING_TOKEN

public static final BearerTokenError MISSING_TOKEN

The request does not contain an access token. No error code or description is specified for this error, just the HTTP status code is set to 401 (Unauthorized).

Example:

 HTTP/1.1 401 Unauthorized
 WWW-Authenticate: Bearer
 

INVALID_REQUEST

public static final BearerTokenError INVALID_REQUEST

The request is missing a required parameter, includes an unsupported parameter or parameter value, repeats the same parameter, uses more than one method for including an access token, or is otherwise malformed. The HTTP status code is set to 400 (Bad Request).

INVALID_TOKEN

public static final BearerTokenError INVALID_TOKEN

The access token provided is expired, revoked, malformed, or invalid for other reasons. The HTTP status code is set to 401 (Unauthorized).

INSUFFICIENT_SCOPE

public static final BearerTokenError INSUFFICIENT_SCOPE

The request requires higher privileges than provided by the access token. The HTTP status code is set to 403 (Forbidden).

Constructor Detail

BearerTokenError

public BearerTokenError(String code,
                String description)

Creates a new OAuth 2.0 bearer token error with the specified code and description.

Parameters:

code - The error code, null if not specified.

description - The error description, null if not specified.

BearerTokenError

public BearerTokenError(String code,
                String description,
                int httpStatusCode)

Creates a new OAuth 2.0 bearer token error with the specified code, description and HTTP status code.

Parameters:

code - The error code, null if not specified.

description - The error description, null if not specified.

httpStatusCode - The HTTP status code, zero if not specified.

BearerTokenError

public BearerTokenError(String code,
                String description,
                int httpStatusCode,
                URL uri,
                String realm,
                Scope scope)

Creates a new OAuth 2.0 bearer token error with the specified code, description, HTTP status code, page URI, realm and scope.

Parameters:

code - The error code, null if not specified.

description - The error description, null if not specified.

httpStatusCode - The HTTP status code, zero if not specified.

uri - The error page URI, null if not specified.

realm - The realm, null if not specified.

scope - The required scope, null if not specified.

Method Detail

getRealm

public String getRealm()

Gets the realm.

Returns:

The realm, null if not specified.

setRealm

public BearerTokenError setRealm(String realm)

Sets the realm.

Parameters:

realm - realm, null if not specified.

Returns:

A copy of this error with the specified realm.

getScope

public Scope getScope()

Gets the required scope.

Returns:

The required scope, null if not specified.

setScope

public BearerTokenError setScope(Scope scope)

Sets the required scope.

Parameters:

scope - The required scope, null if not specified.

Returns:

A copy of this error with the specified required scope.

toWWWAuthenticateHeader

public String toWWWAuthenticateHeader()

Returns the WWW-Authenticate HTTP response header code for this bearer access token error response.

Example:

 Bearer realm="example.com", error="invalid_token", error_description="Invalid access token"
 

Returns:

The Www-Authenticate header value.

parse

public static BearerTokenError parse(String wwwAuth)
                              throws ParseException

Parses an OAuth 2.0 bearer token error from the specified HTTP response WWW-Authenticate header.

Parameters:

wwwAuth - The WWW-Authenticate header value to parse. Must not be null.

Throws:

ParseException - If the WWW-Authenticate header value couldn't be parsed to a Bearer token error.