com.rt.storage.auth.oauth2.IdToken Maven / Gradle / Ivy

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package com.rt.storage.auth.oauth2;

import com.rt.storage.api.client.json.JsonFactory;
import com.rt.storage.api.client.json.webtoken.JsonWebSignature;
import com.google.common.annotations.Beta;
import com.google.common.base.MoreObjects;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Date;
import java.util.Objects;

/** Represents a temporary IdToken and its JsonWebSignature object */
@Beta
public class IdToken extends AccessToken implements Serializable {

  private static final long serialVersionUID = -8514239465808977353L;

  private transient JsonWebSignature jsonWebSignature;

  /**
   * @param tokenValue String representation of the ID token.
   * @param jsonWebSignature JsonWebSignature as object
   */
  private IdToken(String tokenValue, JsonWebSignature jsonWebSignature) {
    super(tokenValue, new Date(jsonWebSignature.getPayload().getExpirationTimeSeconds() * 1000));
    this.jsonWebSignature = jsonWebSignature;
  }

  /**
   * Creates an IdToken given the encoded Json Web Signature.
   *
   * @param tokenValue String representation of the ID token.
   * @throws IOException if JWT token parsing fails
   * @return returns com.rt.storage.auth.oauth2.IdToken
   */
  public static IdToken create(String tokenValue) throws IOException {
    return create(tokenValue, OAuth2Utils.JSON_FACTORY);
  }

  /**
   * Creates an IdToken given the encoded Json Web Signature and JSON Factory
   *
   * @param jsonFactory JsonFactory to use for parsing the provided token.
   * @param tokenValue String representation of the ID token.
   * @throws IOException if JWT token parsing fails
   * @return returns com.rt.storage.auth.oauth2.IdToken
   */
  public static IdToken create(String tokenValue, JsonFactory jsonFactory) throws IOException {
    return new IdToken(tokenValue, JsonWebSignature.parse(jsonFactory, tokenValue));
  }

  /**
   * The JsonWebSignature as object
   *
   * @return returns com.rt.storage.api.client.json.webtoken.JsonWebSignature
   */
  JsonWebSignature getJsonWebSignature() {
    return jsonWebSignature;
  }

  @Override
  public int hashCode() {
    return Objects.hash(
        super.getTokenValue(), jsonWebSignature.getHeader(), jsonWebSignature.getPayload());
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("tokenValue", super.getTokenValue())
        .add("JsonWebSignature", jsonWebSignature)
        .toString();
  }

  @Override
  public boolean equals(Object obj) {
    if (!(obj instanceof IdToken)) {
      return false;
    }
    IdToken other = (IdToken) obj;
    return Objects.equals(super.getTokenValue(), other.getTokenValue())
        && Objects.equals(this.jsonWebSignature.getHeader(), other.jsonWebSignature.getHeader())
        && Objects.equals(this.jsonWebSignature.getPayload(), other.jsonWebSignature.getPayload());
  }

  private void writeObject(ObjectOutputStream oos) throws IOException {
    oos.writeObject(this.getTokenValue());
  }

  private void readObject(ObjectInputStream ois) throws ClassNotFoundException, IOException {
    String signature = (String) ois.readObject();
    this.jsonWebSignature = JsonWebSignature.parse(OAuth2Utils.JSON_FACTORY, signature);
  }
}