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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.token;
import java.util.HashSet;
import java.util.Set;
import net.minidev.json.JSONObject;
import com.nimbusds.oauth2.sdk.ParseException;
import com.nimbusds.oauth2.sdk.Scope;
/**
* The base abstract class for access tokens. Concrete extending classes should
* be immutable.
*
* Related specifications:
*
*
* - OAuth 2.0 (RFC 6749), sections 1.4 and 5.1.
*
*/
public abstract class AccessToken extends Token {
/**
* The access token type.
*/
private final AccessTokenType type;
/**
* Optional lifetime, in seconds.
*/
private final long lifetime;
/**
* Optional scope.
*/
private final Scope scope;
/**
* Creates a new minimal access token with a randomly generated 256-bit
* (32-byte) value, Base64URL-encoded. The optional lifetime and scope
* are left undefined.
*
* @param type The access token type. Must not be {@code null}.
*/
public AccessToken(final AccessTokenType type) {
this(type, 32);
}
/**
* Creates a new minimal access token with a randomly generated value
* of the specified byte length, Base64URL-encoded. The optional
* lifetime and scope are left undefined.
*
* @param type The access token type. Must not be {@code null}.
* @param byteLength The byte length of the value to generate. Must be
* greater than one.
*/
public AccessToken(final AccessTokenType type, final int byteLength) {
this(type, byteLength, 0L, null);
}
/**
* Creates a new access token with a randomly generated 256-bit
* (32-byte) value, Base64URL-encoded.
*
* @param type The access token type. Must not be {@code null}.
* @param lifetime The lifetime in seconds, 0 if not specified.
* @param scope The scope, {@code null} if not specified.
*/
public AccessToken(final AccessTokenType type,
final long lifetime,
final Scope scope) {
this(type, 32, lifetime, scope);
}
/**
* Creates a new access token with a randomly generated value
* of the specified byte length, Base64URL-encoded, and optional
* lifetime and scope.
*
* @param type The access token type. Must not be {@code null}.
* @param byteLength The byte length of the value to generate. Must be
* greater than one.
* @param lifetime The lifetime in seconds, 0 if not specified.
* @param scope The scope, {@code null} if not specified.
*/
public AccessToken(final AccessTokenType type,
final int byteLength,
final long lifetime,
final Scope scope) {
super(byteLength);
if (type == null)
throw new IllegalArgumentException("The access token type must not be null");
this.type = type;
this.lifetime = lifetime;
this.scope = scope;
}
/**
* Creates a new minimal access token with the specified value. The
* optional lifetime and scope are left undefined.
*
* @param type The access token type. Must not be {@code null}.
* @param value The access token value. Must not be {@code null} or
* empty string.
*/
public AccessToken(final AccessTokenType type, final String value) {
this(type, value, 0L, null);
}
/**
* Creates a new access token with the specified value and optional
* lifetime and scope.
*
* @param type The access token type. Must not be {@code null}.
* @param value The access token value. Must not be {@code null} or
* empty string.
* @param lifetime The lifetime in seconds, 0 if not specified.
* @param scope The scope, {@code null} if not specified.
*/
public AccessToken(final AccessTokenType type,
final String value,
final long lifetime,
final Scope scope) {
super(value);
if (type == null)
throw new IllegalArgumentException("The access token type must not be null");
this.type = type;
this.lifetime = lifetime;
this.scope = scope;
}
/**
* Returns the access token type.
*
* @return The access token type.
*/
public AccessTokenType getType() {
return type;
}
/**
* Returns the lifetime of this access token.
*
* @return The lifetime in seconds, 0 if not specified.
*/
public long getLifetime() {
return lifetime;
}
/**
* Returns the scope of this access token.
*
* @return The scope, {@code null} if not specified.
*/
public Scope getScope() {
return scope;
}
@Override
public Set getParameterNames() {
Set paramNames = new HashSet<>();
paramNames.add("access_token");
paramNames.add("token_type");
if (getLifetime() > 0)
paramNames.add("expires_in");
if (getScope() != null)
paramNames.add("scope");
return paramNames;
}
@Override
public JSONObject toJSONObject() {
JSONObject o = new JSONObject();
o.put("access_token", getValue());
o.put("token_type", type.toString());
if (getLifetime() > 0)
o.put("expires_in", lifetime);
if (getScope() != null)
o.put("scope", scope.toString());
return o;
}
@Override
public String toJSONString() {
return toJSONObject().toString();
}
/**
* Returns the {@code Authorization} HTTP request header value for this
* access token.
*
* @return The {@code Authorization} header value.
*/
public abstract String toAuthorizationHeader();
/**
* Parses an access token from a JSON object access token response.
* Only bearer access tokens are supported.
*
* @param jsonObject The JSON object to parse. Must not be
* {@code null}.
*
* @return The access token.
*
* @throws ParseException If the JSON object couldn't be parsed to an
* access token.
*/
public static AccessToken parse(final JSONObject jsonObject)
throws ParseException {
return BearerAccessToken.parse(jsonObject);
}
/**
* Parses an {@code Authorization} HTTP request header value for an
* access token. Only bearer access token are supported.
*
* @param header The {@code Authorization} header value to parse. Must
* not be {@code null}.
*
* @return The access token.
*
* @throws ParseException If the {@code Authorization} header value
* couldn't be parsed to an access token.
*/
public static AccessToken parse(final String header)
throws ParseException {
return BearerAccessToken.parse(header);
}
}