io.jsonwebtoken.impl.crypto.DefaultJwtSigner Maven / Gradle / Ivy
/*
* Copyright (C) 2014 jsonwebtoken.io
*
* 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 io.jsonwebtoken.impl.crypto;
import io.jsonwebtoken.SignatureAlgorithm;
import io.jsonwebtoken.io.Encoder;
import io.jsonwebtoken.io.Encoders;
import io.jsonwebtoken.lang.Assert;
import java.nio.charset.Charset;
import java.security.Key;
public class DefaultJwtSigner implements JwtSigner {
private static final Charset US_ASCII = Charset.forName("US-ASCII");
private final Signer signer;
private final Encoder base64UrlEncoder;
@Deprecated
public DefaultJwtSigner(SignatureAlgorithm alg, Key key) {
this(DefaultSignerFactory.INSTANCE, alg, key, Encoders.BASE64URL);
}
public DefaultJwtSigner(SignatureAlgorithm alg, Key key, Encoder base64UrlEncoder) {
this(DefaultSignerFactory.INSTANCE, alg, key, base64UrlEncoder);
}
@Deprecated
public DefaultJwtSigner(SignerFactory factory, SignatureAlgorithm alg, Key key) {
this(factory, alg, key, Encoders.BASE64URL);
}
public DefaultJwtSigner(SignerFactory factory, SignatureAlgorithm alg, Key key, Encoder base64UrlEncoder) {
Assert.notNull(factory, "SignerFactory argument cannot be null.");
Assert.notNull(base64UrlEncoder, "Base64Url Encoder cannot be null.");
this.base64UrlEncoder = base64UrlEncoder;
this.signer = factory.createSigner(alg, key);
}
@Override
public String sign(String jwtWithoutSignature) {
byte[] bytesToSign = jwtWithoutSignature.getBytes(US_ASCII);
byte[] signature = signer.sign(bytesToSign);
return base64UrlEncoder.encode(signature);
}
}