package com.nimbusds.jwt;
import java.text.ParseException;
import net.jcip.annotations.ThreadSafe;
import net.minidev.json.JSONObject;
import com.nimbusds.jose.JOSEObject;
import com.nimbusds.jose.JWEHeader;
import com.nimbusds.jose.JWEObject;
import com.nimbusds.jose.Payload;
import com.nimbusds.jose.util.Base64URL;
/**
* Encrypted JSON Web Token (JWT). This class is thread-safe.
*
* @author Vladimir Dzhuvinov
* @version $version$ (2013-03-27)
*/
@ThreadSafe
public class EncryptedJWT extends JWEObject implements JWT {
/**
* Creates a new to-be-encrypted JSON Web Token (JWT) with the specified
* header and claims set. The initial state will be
* {@link com.nimbusds.jose.JWEObject.State#UNENCRYPTED unencrypted}.
*
* @param header The JWE header. Must not be {@code null}.
* @param claimsSet The JWT claims set. Must not be {@code null}.
*/
public EncryptedJWT(final JWEHeader header, final ReadOnlyJWTClaimsSet claimsSet) {
super(header, new Payload(claimsSet.toJSONObject()));
}
/**
* Creates a new encrypted JSON Web Token (JWT) with the specified
* serialised parts. The state will be
* {@link com.nimbusds.jose.JWEObject.State#ENCRYPTED encrypted}.
*
* @param firstPart The first part, corresponding to the JWE header.
* Must not be {@code null}.
* @param secondPart The second part, corresponding to the encrypted
* key. Empty or {@code null} if none.
* @param thirdPart The third part, corresponding to the initialisation
* vectory. Empty or {@code null} if none.
* @param fourthPart The fourth part, corresponding to the cipher text.
* Must not be {@code null}.
* @param fifthPart The fifth part, corresponding to the integrity
* value. Empty of {@code null} if none.
*
* @throws ParseException If parsing of the serialised parts failed.
*/
public EncryptedJWT(final Base64URL firstPart,
final Base64URL secondPart,
final Base64URL thirdPart,
final Base64URL fourthPart,
final Base64URL fifthPart)
throws ParseException {
super(firstPart, secondPart, thirdPart, fourthPart, fifthPart);
}
@Override
public ReadOnlyJWTClaimsSet getJWTClaimsSet()
throws ParseException {
Payload payload = getPayload();
if (payload == null) {
return null;
}
JSONObject json = payload.toJSONObject();
if (json == null) {
throw new ParseException("Payload of JWE object is not a valid JSON object", 0);
}
return JWTClaimsSet.parse(json);
}
/**
* Parses an encrypted JSON Web Token (JWT) from the specified string in
* compact format.
*
* @param s The string to parse. Must not be {@code null}.
*
* @return The encrypted JWT.
*
* @throws ParseException If the string couldn't be parsed to a valid
* encrypted JWT.
*/
public static EncryptedJWT parse(final String s)
throws ParseException {
Base64URL[] parts = JOSEObject.split(s);
if (parts.length != 5) {
throw new ParseException("Unexpected number of Base64URL parts, must be five", 0);
}
return new EncryptedJWT(parts[0], parts[1], parts[2], parts[3], parts[4]);
}
}