kz.greetgo.security.crypto.CryptoBuilder Maven / Gradle / Ivy

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Security infrastructure used in greetgo!

There is a newer version: 0.0.12

package kz.greetgo.security.crypto;

import com.mongodb.client.MongoCollection;
import kz.greetgo.db.DbType;
import kz.greetgo.db.Jdbc;
import org.bson.Document;

import java.io.File;
import java.util.Objects;

public class CryptoBuilder {
  CryptoBuilder() {}

  public static CryptoBuilder newBuilder() {
    return new CryptoBuilder();
  }

  CryptoSourceConfig cryptoSourceConfig = new CryptoSourceConfigDefault();

  int keySize = 1024;

  /**
   * Defines key size
   *
   * @param keySize key size
   * @return reference to this
   */
  public CryptoBuilder setKeySize(int keySize) {
    this.keySize = keySize;
    return this;
  }

  /**
   * Defines crypto source to store keys in files. Files automatically randomly generates at first time
   *
   * @param privateKeyFile private key file
   * @param publicKeyFile  public key file
   * @return reference to this builder
   */
  public CryptoBuilderKeysInFiles inFiles(File privateKeyFile, File publicKeyFile) {
    return new CryptoBuilderKeysInFiles(this, privateKeyFile, publicKeyFile);
  }

  /**
   * Defines crypto config, where you can specify using algorithms
   *
   * @param cryptoSourceConfig config for crypto source
   * @return reference to this builder
   */
  @SuppressWarnings("UnusedReturnValue")
  public CryptoBuilder setConfig(CryptoSourceConfig cryptoSourceConfig) {
    this.cryptoSourceConfig = cryptoSourceConfig;
    return this;
  }

  /**
   * Builds on custom access to keys content
   *
   * @param privateKeyAccess access to private key
   * @param publicKeyAccess  access to public key
   * @return built object
   */
  public Crypto build(ContentAccess privateKeyAccess, ContentAccess publicKeyAccess) {
    Objects.requireNonNull(privateKeyAccess);
    Objects.requireNonNull(publicKeyAccess);
    return new CryptoBridge(new CryptoSourceImpl(cryptoSourceConfig, privateKeyAccess, publicKeyAccess, keySize));
  }

  public CryptoBuilderKeysInDb inDb(DbType dbType, Jdbc jdbc) {
    Objects.requireNonNull(dbType);
    Objects.requireNonNull(jdbc);
    return new CryptoBuilderKeysInDb(this, dbType, jdbc);
  }

  public CryptoBuilderKeysInMongo inMongo(MongoCollection collection) {
    return inMongo(collection, collection);
  }

  public CryptoBuilderKeysInMongo inMongo(MongoCollection privateKey, MongoCollection publicKey) {
    Objects.requireNonNull(privateKey);
    Objects.requireNonNull(publicKey);
    return new CryptoBuilderKeysInMongo(this, privateKey, publicKey);
  }
}