io.securecodebox.persistence.defectdojo.service.DefaultImportScanService Maven / Gradle / Ivy

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This library helps with interacting with the REST API of DefectDojo.
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// SPDX-FileCopyrightText: the secureCodeBox authors
//
// SPDX-License-Identifier: Apache-2.0

package io.securecodebox.persistence.defectdojo.service;

import io.securecodebox.persistence.defectdojo.ScanType;
import io.securecodebox.persistence.defectdojo.config.Config;
import io.securecodebox.persistence.defectdojo.exception.PersistenceException;
import io.securecodebox.persistence.defectdojo.http.ProxyConfig;
import io.securecodebox.persistence.defectdojo.model.ScanFile;
import lombok.Getter;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.ProxyAuthenticationStrategy;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.FormHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.ResourceHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestTemplate;

import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;

/*
 * https://defectdojo.security.iteratec.dev/api/v2/oa3/swagger-ui/#operations-tag-import-scan
 */
@Slf4j
class DefaultImportScanService implements ImportScanService {
  private static final List> HTTP_MESSAGE_CONVERTERS = List.of(
    new FormHttpMessageConverter(),
    new ResourceHttpMessageConverter(),
    new MappingJackson2HttpMessageConverter());
  @Getter
  private final String defectDojoUrl;
  @Getter
  private final String defectDojoApiKey;
  private final ProxyConfig proxyConfig;

  /**
   * Dedicated constructor.
   *
   * @param config      not {@code null}
   * @param proxyConfig not {@code null}
   */
  DefaultImportScanService(final @NonNull Config config, @NonNull ProxyConfig proxyConfig) {
    super();
    this.defectDojoUrl = config.getUrl();
    this.defectDojoApiKey = config.getApiKey();
    this.proxyConfig = proxyConfig;
  }

  @Override
  public ImportScanResponse importScan(ScanFile scanFile, long engagementId, long lead, String currentDate, ScanType scanType, long testType, Map options) {
    options.put("engagement", Long.toString(engagementId));

    return this.createFindings(scanFile, "import-scan", lead, currentDate, scanType, testType, options);
  }

  @Override
  public ImportScanResponse reimportScan(ScanFile scanFile, long testId, long lead, String currentDate, ScanType scanType, long testType, Map options) {
    options.put("test", Long.toString(testId));

    return this.createFindings(scanFile, "reimport-scan", lead, currentDate, scanType, testType, options);
  }

  /*
   * Before version 1.5.4. testName (in DefectDojo _test_type_) must be defectDojoScanName, afterward, you can have something else.
   */
  private ImportScanResponse createFindings(ScanFile scanFile, String endpoint, long lead, String currentDate, ScanType scanType, long testType, Map options) {
    final var headers = createDefectDojoAuthorizationHeaders();
    // We use multipart because we send two "parts" in the request body:
    // 1. generic info as key=value&key=value...
    // 2. the raw scan result as file
    headers.setContentType(MediaType.MULTIPART_FORM_DATA);

    // FIXME: #36 Why do we use a multi value map here? Do we need multiple values for any given key?
    final var body = new LinkedMultiValueMap();

    body.add("lead", Long.toString(lead));
    body.add("scan_date", currentDate);
    body.add("scan_type", scanType.getTestType());
    body.add("close_old_findings", "true");
    body.add("skip_duplicates", "false");
    body.add("test_type", String.valueOf(testType));

    // Avoid duplicate entries:
    for (final var optionName : options.keySet()) {
      body.remove(optionName);
    }

    // FIXME: #36 Workaround due to type incompatibility of MultiValueMap and MultiValueMap.
    for (final var option : options.entrySet()) {
      body.add(option.getKey(), option.getValue());
    }

    try {
      // scanFile is the raw result from lurker.
      final var contentsAsResource = new ByteArrayResource(scanFile.getContent().getBytes(StandardCharsets.UTF_8)) {
        @Override
        public String getFilename() {
          return scanFile.getName();
        }
      };

      // We send the whole file content, so DefectDojo can parse the finding by itself.
      body.add("file", contentsAsResource);

      final var payload = new HttpEntity>(body, headers);
      return exchangeRequest(endpoint, payload);
    } catch (RestClientException e) {
      log.error("Exception while attaching findings to engagement: {}", e.getMessage());
      throw new PersistenceException("Failed to attach findings to engagement.", e);
    }
  }

  ImportScanResponse exchangeRequest(String endpoint, HttpEntity payload) {
    final var restTemplate = this.createRestTemplate();
    return restTemplate.exchange(
        generateApiUrl(endpoint),
        HttpMethod.POST,
        payload,
        ImportScanResponse.class)
      .getBody();
  }

  String generateApiUrl(final String endpoint) {
    return String.format("%s/api/v2/%s/", getDefectDojoUrl(), endpoint);
  }

  /**
   * The DefectDojo Authentication Header
   *
   * @return never {@code null}
   */
  HttpHeaders createDefectDojoAuthorizationHeaders() {
    final var authorizationHeader = new HttpHeaders();
    authorizationHeader.set(HttpHeaders.AUTHORIZATION, String.format("Token %s", defectDojoApiKey));
    return authorizationHeader;
  }

  private RestTemplate createRestTemplate() {
    final var template = new RestTemplate();

    if (shouldConfigureProxySettings()) {
      template.setRequestFactory(createRequestFactoryWithProxyAuthConfig());
    }

    template.setMessageConverters(HTTP_MESSAGE_CONVERTERS);

    return template;
  }

  boolean shouldConfigureProxySettings() {
    return proxyConfig.isComplete();
  }

  /**
   * Configuring proxy authentication explicitly
   *
   * 
   * This isn't done by default for spring rest templates.This method expects these four system properties (Java flag
   * {@literal -DpropertyName}) to be set:
   * 
   * 
   *     http.proxyUser
   *     http.proxyPassword
   *     http.proxyHost
   *     http.proxyPort
   * 
   *
   * @return never {@code null}
   */
  ClientHttpRequestFactory createRequestFactoryWithProxyAuthConfig() {
    final var credentials = new BasicCredentialsProvider();
    credentials.setCredentials(
      new AuthScope(proxyConfig.getHost(), proxyConfig.getPort()),
      new UsernamePasswordCredentials(
        proxyConfig.getUser(),
        proxyConfig.getPassword())
    );

    final var clientBuilder = HttpClientBuilder.create();
    clientBuilder.useSystemProperties();
    clientBuilder.setProxy(new HttpHost(proxyConfig.getHost(), proxyConfig.getPort()));
    clientBuilder.setDefaultCredentialsProvider(credentials);
    clientBuilder.setProxyAuthenticationStrategy(new ProxyAuthenticationStrategy());

    final var factory = new HttpComponentsClientHttpRequestFactory();
    factory.setHttpClient(clientBuilder.build());
    return factory;
  }
}