mirror of
https://github.com/n8n-io/n8n.git
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62c096710f
- Fix autofixable violations - Remove unused directives - Allow for PascalCased variables - needed for dynamically imported or assigned classes, decorators, routers, etc.
595 lines
18 KiB
TypeScript
595 lines
18 KiB
TypeScript
import type {
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IExecuteFunctions,
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ICredentialsDecrypted,
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ICredentialTestFunctions,
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IDataObject,
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ILoadOptionsFunctions,
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INodeCredentialTestResult,
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INodeExecutionData,
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INodePropertyOptions,
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INodeType,
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INodeTypeDescription,
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} from 'n8n-workflow';
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import { NodeOperationError } from 'n8n-workflow';
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import type { OptionsWithUri } from 'request';
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import {
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elasticSecurityApiRequest,
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getConnector,
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getVersion,
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handleListing,
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throwOnEmptyUpdate,
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tolerateTrailingSlash,
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} from './GenericFunctions';
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import {
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caseCommentFields,
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caseCommentOperations,
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caseFields,
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caseOperations,
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caseTagFields,
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caseTagOperations,
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connectorFields,
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connectorOperations,
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} from './descriptions';
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import type {
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Connector,
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ConnectorCreatePayload,
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ConnectorType,
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ElasticSecurityApiCredentials,
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} from './types';
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export class ElasticSecurity implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Elastic Security',
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name: 'elasticSecurity',
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icon: 'file:elasticSecurity.svg',
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group: ['transform'],
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version: 1,
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subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
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description: 'Consume the Elastic Security API',
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defaults: {
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name: 'Elastic Security',
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},
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inputs: ['main'],
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outputs: ['main'],
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credentials: [
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{
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name: 'elasticSecurityApi',
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required: true,
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testedBy: 'elasticSecurityApiTest',
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},
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],
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properties: [
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{
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displayName: 'Resource',
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name: 'resource',
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noDataExpression: true,
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type: 'options',
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options: [
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{
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name: 'Case',
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value: 'case',
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},
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{
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name: 'Case Comment',
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value: 'caseComment',
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},
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{
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name: 'Case Tag',
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value: 'caseTag',
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},
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{
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name: 'Connector',
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value: 'connector',
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},
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],
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default: 'case',
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},
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...caseOperations,
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...caseFields,
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...caseCommentOperations,
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...caseCommentFields,
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...caseTagOperations,
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...caseTagFields,
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...connectorOperations,
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...connectorFields,
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],
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};
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methods = {
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loadOptions: {
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async getTags(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
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const tags = (await elasticSecurityApiRequest.call(this, 'GET', '/cases/tags')) as string[];
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return tags.map((tag) => ({ name: tag, value: tag }));
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},
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async getConnectors(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
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const endpoint = '/cases/configure/connectors/_find';
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const connectors = (await elasticSecurityApiRequest.call(
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this,
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'GET',
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endpoint,
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)) as Connector[];
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return connectors.map(({ name, id }) => ({ name, value: id }));
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},
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},
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credentialTest: {
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async elasticSecurityApiTest(
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this: ICredentialTestFunctions,
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credential: ICredentialsDecrypted,
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): Promise<INodeCredentialTestResult> {
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const {
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username,
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password,
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baseUrl: rawBaseUrl,
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} = credential.data as ElasticSecurityApiCredentials;
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const baseUrl = tolerateTrailingSlash(rawBaseUrl);
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const token = Buffer.from(`${username}:${password}`).toString('base64');
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const endpoint = '/cases/status';
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const options: OptionsWithUri = {
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headers: {
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Authorization: `Basic ${token}`,
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'kbn-xsrf': true,
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},
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method: 'GET',
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body: {},
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qs: {},
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uri: `${baseUrl}/api${endpoint}`,
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json: true,
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};
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try {
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await this.helpers.request(options);
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return {
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status: 'OK',
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message: 'Authentication successful',
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};
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} catch (error) {
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return {
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status: 'Error',
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message: error.message,
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};
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}
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},
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},
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};
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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const returnData: INodeExecutionData[] = [];
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const resource = this.getNodeParameter('resource', 0);
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const operation = this.getNodeParameter('operation', 0);
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let responseData;
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for (let i = 0; i < items.length; i++) {
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try {
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if (resource === 'case') {
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// **********************************************************************
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// case
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// **********************************************************************
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if (operation === 'create') {
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// ----------------------------------------
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// case: create
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-create.html
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const body = {
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title: this.getNodeParameter('title', i),
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connector: {},
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owner: 'securitySolution',
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description: '',
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tags: [], // set via `caseTag: add` but must be present
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settings: {
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syncAlerts: this.getNodeParameter('additionalFields.syncAlerts', i, false),
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},
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} as IDataObject;
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const connectorId = this.getNodeParameter('connectorId', i) as ConnectorType;
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const {
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id: fetchedId,
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name: fetchedName,
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type: fetchedType,
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} = await getConnector.call(this, connectorId);
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const selectedConnectorType = this.getNodeParameter(
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'connectorType',
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i,
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) as ConnectorType;
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if (fetchedType !== selectedConnectorType) {
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throw new NodeOperationError(
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this.getNode(),
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'Connector Type does not match the type of the connector in Connector Name',
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{ itemIndex: i },
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);
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}
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const connector = {
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id: fetchedId,
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name: fetchedName,
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type: fetchedType,
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fields: {},
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};
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if (selectedConnectorType === '.jira') {
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connector.fields = {
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issueType: this.getNodeParameter('issueType', i),
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priority: this.getNodeParameter('priority', i),
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parent: null, // required but unimplemented
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};
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} else if (selectedConnectorType === '.servicenow') {
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connector.fields = {
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urgency: this.getNodeParameter('urgency', i),
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severity: this.getNodeParameter('severity', i),
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impact: this.getNodeParameter('impact', i),
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category: this.getNodeParameter('category', i),
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subcategory: null, // required but unimplemented
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};
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} else if (selectedConnectorType === '.resilient') {
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const rawIssueTypes = this.getNodeParameter('issueTypes', i) as string;
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connector.fields = {
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issueTypes: rawIssueTypes.split(',').map(Number),
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severityCode: this.getNodeParameter('severityCode', i) as number,
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incidentTypes: null, // required but undocumented
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};
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}
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body.connector = connector;
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const {
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syncAlerts, // ignored because already set
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...rest
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} = this.getNodeParameter('additionalFields', i);
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if (Object.keys(rest).length) {
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Object.assign(body, rest);
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}
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responseData = await elasticSecurityApiRequest.call(this, 'POST', '/cases', body);
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} else if (operation === 'delete') {
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// ----------------------------------------
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// case: delete
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-delete-case.html
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const caseId = this.getNodeParameter('caseId', i);
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await elasticSecurityApiRequest.call(this, 'DELETE', `/cases?ids=["${caseId}"]`);
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responseData = { success: true };
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} else if (operation === 'get') {
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// ----------------------------------------
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// case: get
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-get-case.html
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const caseId = this.getNodeParameter('caseId', i);
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responseData = await elasticSecurityApiRequest.call(this, 'GET', `/cases/${caseId}`);
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} else if (operation === 'getAll') {
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// ----------------------------------------
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// case: getAll
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-find-cases.html
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const qs = {} as IDataObject;
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const { tags, status } = this.getNodeParameter('filters', i) as IDataObject & {
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tags: string[];
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status: string;
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};
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const sortOptions = this.getNodeParameter('sortOptions', i) as IDataObject;
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qs.sortField = sortOptions.sortField ?? 'createdAt';
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qs.sortOrder = sortOptions.sortOrder ?? 'asc';
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if (status) {
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qs.status = status;
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}
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if (tags?.length) {
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qs.tags = tags.join(',');
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}
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responseData = await handleListing.call(this, 'GET', '/cases/_find', {}, qs);
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} else if (operation === 'getStatus') {
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// ----------------------------------------
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// case: getStatus
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-get-status.html
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responseData = await elasticSecurityApiRequest.call(this, 'GET', '/cases/status');
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} else if (operation === 'update') {
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// ----------------------------------------
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// case: update
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-update.html
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const caseId = this.getNodeParameter('caseId', i);
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const body = {} as IDataObject;
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const updateFields = this.getNodeParameter('updateFields', i);
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if (!Object.keys(updateFields).length) {
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throwOnEmptyUpdate.call(this, resource);
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}
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const { syncAlerts, ...rest } = updateFields;
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Object.assign(body, {
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cases: [
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{
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id: caseId,
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version: await getVersion.call(this, `/cases/${caseId}`),
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...(syncAlerts && { settings: { syncAlerts } }),
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...rest,
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},
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],
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});
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responseData = await elasticSecurityApiRequest.call(this, 'PATCH', '/cases', body);
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}
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} else if (resource === 'caseTag') {
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// **********************************************************************
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// caseTag
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// **********************************************************************
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if (operation === 'add') {
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// ----------------------------------------
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// caseTag: add
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-create.html
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const caseId = this.getNodeParameter('caseId', i);
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const { title, connector, owner, description, settings, tags } =
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await elasticSecurityApiRequest.call(this, 'GET', `/cases/${caseId}`);
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const tagToAdd = this.getNodeParameter('tag', i);
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if (tags.includes(tagToAdd)) {
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throw new NodeOperationError(
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this.getNode(),
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`Cannot add tag "${tagToAdd}" to case ID ${caseId} because this case already has this tag.`,
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{ itemIndex: i },
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);
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}
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const body = {};
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Object.assign(body, {
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cases: [
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{
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id: caseId,
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title,
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connector,
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owner,
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description,
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settings,
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version: await getVersion.call(this, `/cases/${caseId}`),
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tags: [...tags, tagToAdd],
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},
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],
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});
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responseData = await elasticSecurityApiRequest.call(this, 'PATCH', '/cases', body);
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} else if (operation === 'remove') {
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// https://www.elastic.co/guide/en/security/current/cases-api-update.html
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const caseId = this.getNodeParameter('caseId', i);
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const tagToRemove = this.getNodeParameter('tag', i) as string;
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const { title, connector, owner, description, settings, tags } =
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(await elasticSecurityApiRequest.call(
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this,
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'GET',
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`/cases/${caseId}`,
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)) as IDataObject & { tags: string[] };
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if (!tags.includes(tagToRemove)) {
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throw new NodeOperationError(
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this.getNode(),
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`Cannot remove tag "${tagToRemove}" from case ID ${caseId} because this case does not have this tag.`,
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{ itemIndex: i },
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);
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}
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const body = {};
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Object.assign(body, {
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cases: [
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{
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id: caseId,
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title,
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connector,
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owner,
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description,
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settings,
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version: await getVersion.call(this, `/cases/${caseId}`),
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tags: tags.filter((tag) => tag !== tagToRemove),
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},
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],
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});
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responseData = await elasticSecurityApiRequest.call(this, 'PATCH', '/cases', body);
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}
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} else if (resource === 'caseComment') {
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// **********************************************************************
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// caseComment
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// **********************************************************************
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if (operation === 'add') {
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// ----------------------------------------
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// caseComment: add
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-add-comment.html
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const simple = this.getNodeParameter('simple', i) as boolean;
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const additionalFields = this.getNodeParameter('additionalFields', i);
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const body = {
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comment: this.getNodeParameter('comment', i),
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type: 'user',
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owner: additionalFields.owner || 'securitySolution',
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} as IDataObject;
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const caseId = this.getNodeParameter('caseId', i);
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const endpoint = `/cases/${caseId}/comments`;
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responseData = await elasticSecurityApiRequest.call(this, 'POST', endpoint, body);
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if (simple) {
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const { comments } = responseData;
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responseData = comments[comments.length - 1];
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}
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} else if (operation === 'get') {
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// ----------------------------------------
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// caseComment: get
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-get-comment.html
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const caseId = this.getNodeParameter('caseId', i);
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const commentId = this.getNodeParameter('commentId', i);
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const endpoint = `/cases/${caseId}/comments/${commentId}`;
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responseData = await elasticSecurityApiRequest.call(this, 'GET', endpoint);
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} else if (operation === 'getAll') {
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// ----------------------------------------
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// caseComment: getAll
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-get-all-case-comments.html
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const caseId = this.getNodeParameter('caseId', i);
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const endpoint = `/cases/${caseId}/comments`;
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responseData = await handleListing.call(this, 'GET', endpoint);
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} else if (operation === 'remove') {
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// ----------------------------------------
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// caseComment: remove
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-delete-comment.html
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const caseId = this.getNodeParameter('caseId', i);
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const commentId = this.getNodeParameter('commentId', i);
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const endpoint = `/cases/${caseId}/comments/${commentId}`;
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await elasticSecurityApiRequest.call(this, 'DELETE', endpoint);
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responseData = { success: true };
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} else if (operation === 'update') {
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// ----------------------------------------
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// caseComment: update
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/cases-api-update-comment.html
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const simple = this.getNodeParameter('simple', i) as boolean;
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const caseId = this.getNodeParameter('caseId', i);
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const commentId = this.getNodeParameter('commentId', i);
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const body = {
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comment: this.getNodeParameter('comment', i),
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id: commentId,
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type: 'user',
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owner: 'securitySolution',
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version: await getVersion.call(this, `/cases/${caseId}/comments/${commentId}`),
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} as IDataObject;
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const patchEndpoint = `/cases/${caseId}/comments`;
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responseData = await elasticSecurityApiRequest.call(this, 'PATCH', patchEndpoint, body);
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if (simple) {
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const { comments } = responseData;
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responseData = comments[comments.length - 1];
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}
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}
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} else if (resource === 'connector') {
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if (operation === 'create') {
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// ----------------------------------------
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// connector: create
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// ----------------------------------------
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// https://www.elastic.co/guide/en/security/current/register-connector.html
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const connectorType = this.getNodeParameter('connectorType', i) as ConnectorType;
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const body: ConnectorCreatePayload = {
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connector_type_id: connectorType,
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name: this.getNodeParameter('name', i) as string,
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};
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if (connectorType === '.jira') {
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body.config = {
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apiUrl: this.getNodeParameter('apiUrl', i) as string,
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projectKey: this.getNodeParameter('projectKey', i) as string,
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};
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body.secrets = {
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email: this.getNodeParameter('email', i) as string,
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apiToken: this.getNodeParameter('apiToken', i) as string,
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};
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} else if (connectorType === '.resilient') {
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body.config = {
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apiUrl: this.getNodeParameter('apiUrl', i) as string,
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orgId: this.getNodeParameter('orgId', i) as string,
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};
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body.secrets = {
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apiKeyId: this.getNodeParameter('apiKeyId', i) as string,
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apiKeySecret: this.getNodeParameter('apiKeySecret', i) as string,
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};
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} else if (connectorType === '.servicenow') {
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body.config = {
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apiUrl: this.getNodeParameter('apiUrl', i) as string,
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};
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body.secrets = {
|
|
username: this.getNodeParameter('username', i) as string,
|
|
password: this.getNodeParameter('password', i) as string,
|
|
};
|
|
}
|
|
|
|
responseData = await elasticSecurityApiRequest.call(
|
|
this,
|
|
'POST',
|
|
'/actions/connector',
|
|
body,
|
|
);
|
|
}
|
|
}
|
|
|
|
const executionData = this.helpers.constructExecutionMetaData(
|
|
this.helpers.returnJsonArray(responseData as IDataObject[]),
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnData.push(...executionData);
|
|
} catch (error) {
|
|
if (this.continueOnFail()) {
|
|
const executionErrorData = this.helpers.constructExecutionMetaData(
|
|
this.helpers.returnJsonArray({ error: error.message }),
|
|
{ itemData: { item: i } },
|
|
);
|
|
returnData.push(...executionErrorData);
|
|
continue;
|
|
}
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
return [returnData];
|
|
}
|
|
}
|