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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * 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 software.amazon.jdbc.plugin.federatedauth;

import java.security.GeneralSecurityException;
import java.util.Properties;
import software.amazon.jdbc.ConnectionPlugin;
import software.amazon.jdbc.ConnectionPluginFactory;
import software.amazon.jdbc.PluginService;
import software.amazon.jdbc.util.Messages;
import software.amazon.jdbc.util.StringUtils;

public class FederatedAuthPluginFactory implements ConnectionPluginFactory {

  @Override
  public ConnectionPlugin getInstance(final PluginService pluginService, final Properties props) {
    return new FederatedAuthPlugin(pluginService, getCredentialsProviderFactory(pluginService, props));
  }

  private CredentialsProviderFactory getCredentialsProviderFactory(final PluginService pluginService,
      final Properties props) {
    final String idpName = FederatedAuthPlugin.IDP_NAME.getString(props);
    if (StringUtils.isNullOrEmpty(idpName) || AdfsCredentialsProviderFactory.IDP_NAME.equalsIgnoreCase(idpName)) {
      return new AdfsCredentialsProviderFactory(
          pluginService,
          () -> {
            try {
              return new HttpClientFactory().getCloseableHttpClient(
                  FederatedAuthPlugin.HTTP_CLIENT_SOCKET_TIMEOUT.getInteger(props),
                  FederatedAuthPlugin.HTTP_CLIENT_CONNECT_TIMEOUT.getInteger(props),
                  FederatedAuthPlugin.SSL_INSECURE.getBoolean(props));
            } catch (GeneralSecurityException e) {
              throw new RuntimeException(
                  Messages.get("CredentialsProviderFactory.failedToInitializeHttpClient"), e);
            }
          });
    }
    throw new IllegalArgumentException(Messages.get("CredentialsProviderFactory.unsupportedIdp",
        new Object[] {idpName}));
  }
}