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/*
 * SonarQube
 * Copyright (C) 2009-2018 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.server.webhook.ws;

import java.util.Optional;
import javax.annotation.Nullable;
import org.sonar.api.server.ws.Request;
import org.sonar.api.server.ws.Response;
import org.sonar.api.server.ws.WebService;
import org.sonar.core.util.UuidFactory;
import org.sonar.db.DbClient;
import org.sonar.db.DbSession;
import org.sonar.db.component.ComponentDto;
import org.sonar.db.organization.OrganizationDto;
import org.sonar.db.webhook.WebhookDto;
import org.sonar.server.organization.DefaultOrganizationProvider;
import org.sonar.server.user.UserSession;
import org.sonarqube.ws.Webhooks;

import static com.google.common.base.Preconditions.checkState;
import static java.lang.String.format;
import static java.util.Optional.ofNullable;
import static org.apache.commons.lang.StringUtils.isNotBlank;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.ACTION_CREATE;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.NAME_PARAM;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.NAME_PARAM_MAXIMUM_LENGTH;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.ORGANIZATION_KEY_PARAM;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.ORGANIZATION_KEY_PARAM_MAXIMUM_LENGTH;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.PROJECT_KEY_PARAM;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.PROJECT_KEY_PARAM_MAXIMUN_LENGTH;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.URL_PARAM;
import static org.sonar.server.webhook.ws.WebhooksWsParameters.URL_PARAM_MAXIMUM_LENGTH;
import static org.sonar.server.ws.KeyExamples.KEY_ORG_EXAMPLE_001;
import static org.sonar.server.ws.KeyExamples.KEY_PROJECT_EXAMPLE_001;
import static org.sonar.server.ws.KeyExamples.NAME_WEBHOOK_EXAMPLE_001;
import static org.sonar.server.ws.KeyExamples.URL_WEBHOOK_EXAMPLE_001;
import static org.sonar.server.ws.WsUtils.checkFoundWithOptional;
import static org.sonar.server.ws.WsUtils.checkStateWithOptional;
import static org.sonar.server.ws.WsUtils.writeProtobuf;
import static org.sonarqube.ws.Webhooks.CreateWsResponse.Webhook;
import static org.sonarqube.ws.Webhooks.CreateWsResponse.newBuilder;

public class CreateAction implements WebhooksWsAction {

  private static final int MAX_NUMBER_OF_WEBHOOKS = 10;

  private final DbClient dbClient;
  private final UserSession userSession;
  private final DefaultOrganizationProvider defaultOrganizationProvider;
  private final UuidFactory uuidFactory;
  private final WebhookSupport webhookSupport;

  public CreateAction(DbClient dbClient, UserSession userSession, DefaultOrganizationProvider defaultOrganizationProvider,
                      UuidFactory uuidFactory, WebhookSupport webhookSupport) {
    this.dbClient = dbClient;
    this.userSession = userSession;
    this.defaultOrganizationProvider = defaultOrganizationProvider;
    this.uuidFactory = uuidFactory;
    this.webhookSupport = webhookSupport;
  }

  @Override
  public void define(WebService.NewController controller) {

    WebService.NewAction action = controller.createAction(ACTION_CREATE)
      .setPost(true)
      .setDescription("Create a Webhook.
" + "Requires 'Administer' permission on the specified project, or global 'Administer' permission.") .setSince("7.1") .setResponseExample(getClass().getResource("example-webhook-create.json")) .setHandler(this); action.createParam(NAME_PARAM) .setRequired(true) .setMaximumLength(NAME_PARAM_MAXIMUM_LENGTH) .setDescription("Name displayed in the administration console of webhooks") .setExampleValue(NAME_WEBHOOK_EXAMPLE_001); action.createParam(URL_PARAM) .setRequired(true) .setMaximumLength(URL_PARAM_MAXIMUM_LENGTH) .setDescription("Server endpoint that will receive the webhook payload, for example 'http://my_server/foo'." + " If HTTP Basic authentication is used, HTTPS is recommended to avoid man in the middle attacks." + " Example: 'https://myLogin:myPassword@my_server/foo'") .setExampleValue(URL_WEBHOOK_EXAMPLE_001); action.createParam(PROJECT_KEY_PARAM) .setRequired(false) .setMaximumLength(PROJECT_KEY_PARAM_MAXIMUN_LENGTH) .setDescription("The key of the project that will own the webhook") .setExampleValue(KEY_PROJECT_EXAMPLE_001); action.createParam(ORGANIZATION_KEY_PARAM) .setInternal(true) .setRequired(false) .setMaximumLength(ORGANIZATION_KEY_PARAM_MAXIMUM_LENGTH) .setDescription("The key of the organization that will own the webhook") .setExampleValue(KEY_ORG_EXAMPLE_001); } @Override public void handle(Request request, Response response) throws Exception { userSession.checkLoggedIn(); String name = request.mandatoryParam(NAME_PARAM); String url = request.mandatoryParam(URL_PARAM); String projectKey = request.param(PROJECT_KEY_PARAM); String organizationKey = request.param(ORGANIZATION_KEY_PARAM); try (DbSession dbSession = dbClient.openSession(false)) { OrganizationDto organizationDto; if (isNotBlank(organizationKey)) { Optional dtoOptional = dbClient.organizationDao().selectByKey(dbSession, organizationKey); organizationDto = checkFoundWithOptional(dtoOptional, "No organization with key '%s'", organizationKey); } else { organizationDto = defaultOrganizationDto(dbSession); } ComponentDto projectDto = null; if (isNotBlank(projectKey)) { Optional dtoOptional = ofNullable(dbClient.componentDao().selectByKey(dbSession, projectKey).orNull()); ComponentDto componentDto = checkFoundWithOptional(dtoOptional, "No project with key '%s'", projectKey); webhookSupport.checkThatProjectBelongsToOrganization(componentDto, organizationDto, "Project '%s' does not belong to organisation '%s'", projectKey, organizationKey); webhookSupport.checkPermission(componentDto); projectDto = componentDto; } else { webhookSupport.checkPermission(organizationDto); } webhookSupport.checkUrlPattern(url, "Url parameter with value '%s' is not a valid url", url); WebhookDto webhookDto = doHandle(dbSession, organizationDto, projectDto, name, url); dbClient.webhookDao().insert(dbSession, webhookDto); dbSession.commit(); writeResponse(request, response, webhookDto); } } private WebhookDto doHandle(DbSession dbSession, @Nullable OrganizationDto organization, @Nullable ComponentDto project, String name, String url) { checkState(organization != null || project != null, "A webhook can not be created if not linked to an organization or a project."); WebhookDto dto = new WebhookDto() .setUuid(uuidFactory.create()) .setName(name) .setUrl(url); if (project != null) { checkNumberOfWebhook(numberOfWebhookOf(dbSession, project), "Maximum number of webhook reached for project '%s'", project.getKey()); dto.setProjectUuid(project.projectUuid()); } else { checkNumberOfWebhook(numberOfWebhookOf(dbSession, organization), "Maximum number of webhook reached for organization '%s'", organization.getKey()); dto.setOrganizationUuid(organization.getUuid()); } return dto; } private static void writeResponse(Request request, Response response, WebhookDto element) { Webhooks.CreateWsResponse.Builder responseBuilder = newBuilder(); responseBuilder.setWebhook(Webhook.newBuilder() .setKey(element.getUuid()) .setName(element.getName()) .setUrl(element.getUrl())); writeProtobuf(responseBuilder.build(), request, response); } private static void checkNumberOfWebhook(int nbOfWebhooks, String message, Object... messageArguments) { if (nbOfWebhooks >= MAX_NUMBER_OF_WEBHOOKS){ throw new IllegalArgumentException(format(message, messageArguments)); } } private int numberOfWebhookOf(DbSession dbSession, OrganizationDto organizationDto) { return dbClient.webhookDao().selectByOrganization(dbSession, organizationDto).size(); } private int numberOfWebhookOf(DbSession dbSession, ComponentDto componentDto) { return dbClient.webhookDao().selectByProject(dbSession, componentDto).size(); } private OrganizationDto defaultOrganizationDto(DbSession dbSession) { String uuid = defaultOrganizationProvider.get().getUuid(); Optional organizationDto = dbClient.organizationDao().selectByUuid(dbSession, uuid); return checkStateWithOptional(organizationDto, "the default organization '%s' was not found", uuid); } }




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