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A web service test double for all occasions - standalone edition
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/*
 * Copyright (C) 2011-2023 Thomas Akehurst
 *
 * 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 com.github.tomakehurst.wiremock.http;

import static com.github.tomakehurst.wiremock.common.LocalNotifier.notifier;
import static com.github.tomakehurst.wiremock.core.WireMockApp.ADMIN_CONTEXT_ROOT;

import com.github.tomakehurst.wiremock.admin.AdminRoutes;
import com.github.tomakehurst.wiremock.admin.AdminTask;
import com.github.tomakehurst.wiremock.admin.NotFoundException;
import com.github.tomakehurst.wiremock.common.*;
import com.github.tomakehurst.wiremock.common.url.PathParams;
import com.github.tomakehurst.wiremock.common.url.PathTemplate;
import com.github.tomakehurst.wiremock.core.Admin;
import com.github.tomakehurst.wiremock.extension.requestfilter.RequestFilter;
import com.github.tomakehurst.wiremock.extension.requestfilter.RequestFilterV2;
import com.github.tomakehurst.wiremock.security.Authenticator;
import com.github.tomakehurst.wiremock.stubbing.ServeEvent;
import java.net.URI;
import java.util.List;

public class AdminRequestHandler extends AbstractRequestHandler {

  private final AdminRoutes adminRoutes;
  private final Admin admin;
  private final Authenticator authenticator;
  private final boolean requireHttps;

  public AdminRequestHandler(
      AdminRoutes adminRoutes,
      Admin admin,
      ResponseRenderer responseRenderer,
      Authenticator authenticator,
      boolean requireHttps,
      List requestFilters,
      List v2RequestFilters,
      DataTruncationSettings dataTruncationSettings) {
    super(responseRenderer, requestFilters, v2RequestFilters, dataTruncationSettings);
    this.adminRoutes = adminRoutes;
    this.admin = admin;
    this.authenticator = authenticator;
    this.requireHttps = requireHttps;
  }

  @Override
  public ServeEvent handleRequest(ServeEvent initialServeEvent) {
    final Request request = initialServeEvent.getRequest();

    final boolean isRequestHttps = URI.create(request.getAbsoluteUrl()).getScheme().equals("https");

    if (requireHttps && !isRequestHttps) {
      notifier().info("HTTPS is required for admin requests, sending upgrade redirect");
      return initialServeEvent.withResponseDefinition(
          ResponseDefinition.notPermitted("HTTPS is required for accessing the admin API"));
    }

    if (!authenticator.authenticate(request)) {
      notifier().info("Authentication failed for " + request.getMethod() + " " + request.getUrl());
      return initialServeEvent.withResponseDefinition(ResponseDefinition.notAuthorised());
    }

    notifier().info("Admin request received:\n" + formatRequest(request));
    String path = Urls.getPath(withoutAdminRoot(request.getUrl()));

    try {
      AdminTask adminTask = adminRoutes.taskFor(request.getMethod(), path);

      PathTemplate uriTemplate =
          adminRoutes.requestSpecForTask(adminTask.getClass()).getUriTemplate();
      PathParams pathParams = uriTemplate.parse(path);

      return initialServeEvent.withResponseDefinition(
          adminTask.execute(admin, initialServeEvent, pathParams));
    } catch (NotFoundException e) {
      return initialServeEvent.withResponseDefinition(ResponseDefinition.notConfigured());
    } catch (InvalidParameterException ipe) {
      return initialServeEvent.withResponseDefinition(
          ResponseDefinition.badRequest(ipe.getErrors()));
    } catch (InvalidInputException iie) {
      return initialServeEvent.withResponseDefinition(
          ResponseDefinition.badRequestEntity(iie.getErrors()));
    } catch (NotPermittedException npe) {
      return initialServeEvent.withResponseDefinition(
          ResponseDefinition.notPermitted(npe.getErrors()));
    } catch (Throwable t) {
      notifier().error("Unrecoverable error handling admin request", t);
      throw t;
    }
  }

  private static String withoutAdminRoot(String url) {
    return url.replace(ADMIN_CONTEXT_ROOT, "");
  }
}