v1/container_analysis_client.js

// Copyright 2019 Google LLC
//
// 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
//
//     https://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.

'use strict';

const gapicConfig = require('./container_analysis_client_config.json');
const gax = require('google-gax');
const path = require('path');
const {GrafeasClient} = require('@google-cloud/grafeas');

const VERSION = require('../../package.json').version;

/**
 * Retrieves analysis results of Cloud components such as Docker container
 * images. The Container Analysis API is an implementation of the
 * [Grafeas](https://grafeas.io) API.
 *
 * Analysis results are stored as a series of occurrences. An `Occurrence`
 * contains information about a specific analysis instance on a resource. An
 * occurrence refers to a `Note`. A note contains details describing the
 * analysis and is generally stored in a separate project, called a `Provider`.
 * Multiple occurrences can refer to the same note.
 *
 * For example, an SSL vulnerability could affect multiple images. In this case,
 * there would be one note for the vulnerability and an occurrence for each
 * image with the vulnerability referring to that note.
 *
 * @class
 * @memberof v1
 */
class ContainerAnalysisClient {
  /**
   * Construct an instance of ContainerAnalysisClient.
   *
   * @param {object} [options] - The configuration object. See the subsequent
   *   parameters for more details.
   * @param {object} [options.credentials] - Credentials object.
   * @param {string} [options.credentials.client_email]
   * @param {string} [options.credentials.private_key]
   * @param {string} [options.email] - Account email address. Required when
   *     using a .pem or .p12 keyFilename.
   * @param {string} [options.keyFilename] - Full path to the a .json, .pem, or
   *     .p12 key downloaded from the Google Developers Console. If you provide
   *     a path to a JSON file, the projectId option below is not necessary.
   *     NOTE: .pem and .p12 require you to specify options.email as well.
   * @param {number} [options.port] - The port on which to connect to
   *     the remote host.
   * @param {string} [options.projectId] - The project ID from the Google
   *     Developer's Console, e.g. 'grape-spaceship-123'. We will also check
   *     the environment variable GCLOUD_PROJECT for your project ID. If your
   *     app is running in an environment which supports
   *     {@link https://developers.google.com/identity/protocols/application-default-credentials Application Default Credentials},
   *     your project ID will be detected automatically.
   * @param {function} [options.promise] - Custom promise module to use instead
   *     of native Promises.
   * @param {string} [options.apiEndpoint] - The domain name of the
   *     API remote host.
   */
  constructor(opts) {
    opts = opts || {};
    this._descriptors = {};

    if (global.isBrowser) {
      // If we're in browser, we use gRPC fallback.
      opts.fallback = true;
    }

    // If we are in browser, we are already using fallback because of the
    // "browser" field in package.json.
    // But if we were explicitly requested to use fallback, let's do it now.
    const gaxModule = !global.isBrowser && opts.fallback ? gax.fallback : gax;

    const servicePath =
      opts.servicePath || opts.apiEndpoint || this.constructor.servicePath;

    // Ensure that options include the service address and port.
    opts = Object.assign(
      {
        clientConfig: {},
        port: this.constructor.port,
        servicePath,
      },
      opts
    );

    // Create a `gaxGrpc` object, with any grpc-specific options
    // sent to the client.
    opts.scopes = this.constructor.scopes;
    const gaxGrpc = new gaxModule.GrpcClient(opts);

    // Save the auth object to the client, for use by other methods.
    this.auth = gaxGrpc.auth;

    // Determine the client header string.
    const clientHeader = [];

    if (typeof process !== 'undefined' && 'versions' in process) {
      clientHeader.push(`gl-node/${process.versions.node}`);
    }
    clientHeader.push(`gax/${gaxModule.version}`);
    if (opts.fallback) {
      clientHeader.push(`gl-web/${gaxModule.version}`);
    } else {
      clientHeader.push(`grpc/${gaxGrpc.grpcVersion}`);
    }
    clientHeader.push(`gapic/${VERSION}`);
    if (opts.libName && opts.libVersion) {
      clientHeader.push(`${opts.libName}/${opts.libVersion}`);
    }

    // Load the applicable protos.
    // For Node.js, pass the path to JSON proto file.
    // For browsers, pass the JSON content.

    const nodejsProtoPath = path.join(
      __dirname,
      '..',
      '..',
      'protos',
      'protos.json'
    );
    const protos = gaxGrpc.loadProto(
      opts.fallback ? require('../../protos/protos.json') : nodejsProtoPath
    );

    // This API contains "path templates"; forward-slash-separated
    // identifiers to uniquely identify resources within the API.
    // Create useful helper objects for these.
    this._pathTemplates = {
      notePathTemplate: new gaxModule.PathTemplate(
        'projects/{project}/notes/{note}'
      ),
      occurrencePathTemplate: new gaxModule.PathTemplate(
        'projects/{project}/occurrences/{occurrence}'
      ),
    };

    // Put together the default options sent with requests.
    const defaults = gaxGrpc.constructSettings(
      'google.devtools.containeranalysis.v1.ContainerAnalysis',
      gapicConfig,
      opts.clientConfig,
      {'x-goog-api-client': clientHeader.join(' ')}
    );

    // Set up a dictionary of "inner API calls"; the core implementation
    // of calling the API is handled in `google-gax`, with this code
    // merely providing the destination and request information.
    this._innerApiCalls = {};

    // Put together the "service stub" for
    // google.devtools.containeranalysis.v1.ContainerAnalysis.
    const containerAnalysisStub = gaxGrpc.createStub(
      opts.fallback
        ? protos.lookupService(
            'google.devtools.containeranalysis.v1.ContainerAnalysis'
          )
        : protos.google.devtools.containeranalysis.v1.ContainerAnalysis,
      opts
    );

    // Iterate over each of the methods that the service provides
    // and create an API call method for each.
    const containerAnalysisStubMethods = [
      'setIamPolicy',
      'getIamPolicy',
      'testIamPermissions',
    ];
    for (const methodName of containerAnalysisStubMethods) {
      const innerCallPromise = containerAnalysisStub.then(
        stub => (...args) => {
          return stub[methodName].apply(stub, args);
        },
        err => () => {
          throw err;
        }
      );
      this._innerApiCalls[methodName] = gaxModule.createApiCall(
        innerCallPromise,

        defaults[methodName],
        null
      );
    }
    // expose the fully hydrated options, for the benefit of
    // the client.getGrafeas() method.
    this.opts = opts;
  }

  /**
   * The DNS address for this API service.
   */
  static get servicePath() {
    return 'containeranalysis.googleapis.com';
  }

  /**
   * The DNS address for this API service - same as servicePath(),
   * exists for compatibility reasons.
   */
  static get apiEndpoint() {
    return 'containeranalysis.googleapis.com';
  }

  /**
   * The port for this API service.
   */
  static get port() {
    return 443;
  }

  /**
   * The scopes needed to make gRPC calls for every method defined
   * in this service.
   */
  static get scopes() {
    return ['https://www.googleapis.com/auth/cloud-platform'];
  }

  /**
   * Return the project ID used by this class.
   * @param {function(Error, string)} callback - the callback to
   *   be called with the current project Id.
   */
  getProjectId(callback) {
    return this.auth.getProjectId(callback);
  }

  // -------------------
  // -- Service calls --
  // -------------------

  /**
   * Sets the access control policy on the specified note or occurrence.
   * Requires `containeranalysis.notes.setIamPolicy` or
   * `containeranalysis.occurrences.setIamPolicy` permission if the resource is
   * a note or an occurrence, respectively.
   *
   * The resource takes the format `projects/[PROJECT_ID]/notes/[NOTE_ID]` for
   * notes and `projects/[PROJECT_ID]/occurrences/[OCCURRENCE_ID]` for
   * occurrences.
   *
   * @param {Object} request
   *   The request object that will be sent.
   * @param {string} request.resource
   *   REQUIRED: The resource for which the policy is being specified.
   *   See the operation documentation for the appropriate value for this field.
   * @param {Object} request.policy
   *   REQUIRED: The complete policy to be applied to the `resource`. The size of
   *   the policy is limited to a few 10s of KB. An empty policy is a
   *   valid policy but certain Cloud Platform services (such as Projects)
   *   might reject them.
   *
   *   This object should have the same structure as [Policy]{@link google.iam.v1.Policy}
   * @param {Object} [options]
   *   Optional parameters. You can override the default settings for this call, e.g, timeout,
   *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html} for the details.
   * @param {function(?Error, ?Object)} [callback]
   *   The function which will be called with the result of the API call.
   *
   *   The second parameter to the callback is an object representing [Policy]{@link google.iam.v1.Policy}.
   * @returns {Promise} - The promise which resolves to an array.
   *   The first element of the array is an object representing [Policy]{@link google.iam.v1.Policy}.
   *   The promise has a method named "cancel" which cancels the ongoing API call.
   *
   * @example
   *
   * const containeranalysis = require('@google-cloud/containeranalysis');
   *
   * const client = new containeranalysis.v1.ContainerAnalysisClient({
   *   // optional auth parameters.
   * });
   *
   * const formattedResource = client.notePath('[PROJECT]', '[NOTE]');
   * const policy = {};
   * const request = {
   *   resource: formattedResource,
   *   policy: policy,
   * };
   * client.setIamPolicy(request)
   *   .then(responses => {
   *     const response = responses[0];
   *     // doThingsWith(response)
   *   })
   *   .catch(err => {
   *     console.error(err);
   *   });
   */
  setIamPolicy(request, options, callback) {
    if (options instanceof Function && callback === undefined) {
      callback = options;
      options = {};
    }
    request = request || {};
    options = options || {};
    options.otherArgs = options.otherArgs || {};
    options.otherArgs.headers = options.otherArgs.headers || {};
    options.otherArgs.headers[
      'x-goog-request-params'
    ] = gax.routingHeader.fromParams({
      resource: request.resource,
    });

    return this._innerApiCalls.setIamPolicy(request, options, callback);
  }

  /**
   * Gets the access control policy for a note or an occurrence resource.
   * Requires `containeranalysis.notes.setIamPolicy` or
   * `containeranalysis.occurrences.setIamPolicy` permission if the resource is
   * a note or occurrence, respectively.
   *
   * The resource takes the format `projects/[PROJECT_ID]/notes/[NOTE_ID]` for
   * notes and `projects/[PROJECT_ID]/occurrences/[OCCURRENCE_ID]` for
   * occurrences.
   *
   * @param {Object} request
   *   The request object that will be sent.
   * @param {string} request.resource
   *   REQUIRED: The resource for which the policy is being requested.
   *   See the operation documentation for the appropriate value for this field.
   * @param {Object} [request.options]
   *   OPTIONAL: A `GetPolicyOptions` object for specifying options to
   *   `GetIamPolicy`. This field is only used by Cloud IAM.
   *
   *   This object should have the same structure as [GetPolicyOptions]{@link google.iam.v1.GetPolicyOptions}
   * @param {Object} [options]
   *   Optional parameters. You can override the default settings for this call, e.g, timeout,
   *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html} for the details.
   * @param {function(?Error, ?Object)} [callback]
   *   The function which will be called with the result of the API call.
   *
   *   The second parameter to the callback is an object representing [Policy]{@link google.iam.v1.Policy}.
   * @returns {Promise} - The promise which resolves to an array.
   *   The first element of the array is an object representing [Policy]{@link google.iam.v1.Policy}.
   *   The promise has a method named "cancel" which cancels the ongoing API call.
   *
   * @example
   *
   * const containeranalysis = require('@google-cloud/containeranalysis');
   *
   * const client = new containeranalysis.v1.ContainerAnalysisClient({
   *   // optional auth parameters.
   * });
   *
   * const formattedResource = client.notePath('[PROJECT]', '[NOTE]');
   * client.getIamPolicy({resource: formattedResource})
   *   .then(responses => {
   *     const response = responses[0];
   *     // doThingsWith(response)
   *   })
   *   .catch(err => {
   *     console.error(err);
   *   });
   */
  getIamPolicy(request, options, callback) {
    if (options instanceof Function && callback === undefined) {
      callback = options;
      options = {};
    }
    request = request || {};
    options = options || {};
    options.otherArgs = options.otherArgs || {};
    options.otherArgs.headers = options.otherArgs.headers || {};
    options.otherArgs.headers[
      'x-goog-request-params'
    ] = gax.routingHeader.fromParams({
      resource: request.resource,
    });

    return this._innerApiCalls.getIamPolicy(request, options, callback);
  }

  /**
   * Returns the permissions that a caller has on the specified note or
   * occurrence. Requires list permission on the project (for example,
   * `containeranalysis.notes.list`).
   *
   * The resource takes the format `projects/[PROJECT_ID]/notes/[NOTE_ID]` for
   * notes and `projects/[PROJECT_ID]/occurrences/[OCCURRENCE_ID]` for
   * occurrences.
   *
   * @param {Object} request
   *   The request object that will be sent.
   * @param {string} request.resource
   *   REQUIRED: The resource for which the policy detail is being requested.
   *   See the operation documentation for the appropriate value for this field.
   * @param {string[]} request.permissions
   *   The set of permissions to check for the `resource`. Permissions with
   *   wildcards (such as '*' or 'storage.*') are not allowed. For more
   *   information see
   *   [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions).
   * @param {Object} [options]
   *   Optional parameters. You can override the default settings for this call, e.g, timeout,
   *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html} for the details.
   * @param {function(?Error, ?Object)} [callback]
   *   The function which will be called with the result of the API call.
   *
   *   The second parameter to the callback is an object representing [TestIamPermissionsResponse]{@link google.iam.v1.TestIamPermissionsResponse}.
   * @returns {Promise} - The promise which resolves to an array.
   *   The first element of the array is an object representing [TestIamPermissionsResponse]{@link google.iam.v1.TestIamPermissionsResponse}.
   *   The promise has a method named "cancel" which cancels the ongoing API call.
   *
   * @example
   *
   * const containeranalysis = require('@google-cloud/containeranalysis');
   *
   * const client = new containeranalysis.v1.ContainerAnalysisClient({
   *   // optional auth parameters.
   * });
   *
   * const formattedResource = client.notePath('[PROJECT]', '[NOTE]');
   * const permissions = [];
   * const request = {
   *   resource: formattedResource,
   *   permissions: permissions,
   * };
   * client.testIamPermissions(request)
   *   .then(responses => {
   *     const response = responses[0];
   *     // doThingsWith(response)
   *   })
   *   .catch(err => {
   *     console.error(err);
   *   });
   */
  testIamPermissions(request, options, callback) {
    if (options instanceof Function && callback === undefined) {
      callback = options;
      options = {};
    }
    request = request || {};
    options = options || {};
    options.otherArgs = options.otherArgs || {};
    options.otherArgs.headers = options.otherArgs.headers || {};
    options.otherArgs.headers[
      'x-goog-request-params'
    ] = gax.routingHeader.fromParams({
      resource: request.resource,
    });

    return this._innerApiCalls.testIamPermissions(request, options, callback);
  }

  // --------------------
  // -- Path templates --
  // --------------------

  /**
   * Return a fully-qualified note resource name string.
   *
   * @param {String} project
   * @param {String} note
   * @returns {String}
   */
  notePath(project, note) {
    return this._pathTemplates.notePathTemplate.render({
      project: project,
      note: note,
    });
  }

  /**
   * Return a fully-qualified occurrence resource name string.
   *
   * @param {String} project
   * @param {String} occurrence
   * @returns {String}
   */
  occurrencePath(project, occurrence) {
    return this._pathTemplates.occurrencePathTemplate.render({
      project: project,
      occurrence: occurrence,
    });
  }

  /**
   * Parse the noteName from a note resource.
   *
   * @param {String} noteName
   *   A fully-qualified path representing a note resources.
   * @returns {String} - A string representing the project.
   */
  matchProjectFromNoteName(noteName) {
    return this._pathTemplates.notePathTemplate.match(noteName).project;
  }

  /**
   * Parse the noteName from a note resource.
   *
   * @param {String} noteName
   *   A fully-qualified path representing a note resources.
   * @returns {String} - A string representing the note.
   */
  matchNoteFromNoteName(noteName) {
    return this._pathTemplates.notePathTemplate.match(noteName).note;
  }

  /**
   * Returns an instance of a @google-cloud/grafeas client, configured to
   * connect to Google Cloud's Container Analysis API. For documentation
   * on this client, see:
   * <a href="https://googleapis.dev/nodejs/grafeas/latest/index.html">https://googleapis.dev/nodejs/grafeas/latest/index.html</a>
   *
   * @returns {GrafeasClient} - An instance of a Grafeas client.
   *
   */
  getGrafeasClient() {
    return new GrafeasClient(this.opts);
  }

  /**
   * Parse the occurrenceName from a occurrence resource.
   *
   * @param {String} occurrenceName
   *   A fully-qualified path representing a occurrence resources.
   * @returns {String} - A string representing the project.
   */
  matchProjectFromOccurrenceName(occurrenceName) {
    return this._pathTemplates.occurrencePathTemplate.match(occurrenceName)
      .project;
  }

  /**
   * Parse the occurrenceName from a occurrence resource.
   *
   * @param {String} occurrenceName
   *   A fully-qualified path representing a occurrence resources.
   * @returns {String} - A string representing the occurrence.
   */
  matchOccurrenceFromOccurrenceName(occurrenceName) {
    return this._pathTemplates.occurrencePathTemplate.match(occurrenceName)
      .occurrence;
  }
}

module.exports = ContainerAnalysisClient;