✨ Add TheHive & Cortex nodes (#952)

* ✨ TheHive & Cortex nodes

* 🔨 Make changes mentioned in #887

* ⚡ Improvements

* ⚡ Improvements

* ⚡ Improvements

* ⚡ Add descriptions

* ⚡ Improvements

* ⚡ Improvements

Co-authored-by: MedAliMarz <servfrdali@yahoo.fr>

packages/nodes-base/nodes/TheHive/GenericFunctions.ts

@@ -0,0 +1,123 @@
+import {
+	OptionsWithUri,
+} from 'request';
+
+import {
+	IExecuteFunctions,
+	IHookFunctions,
+	ILoadOptionsFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+} from 'n8n-workflow';
+
+import * as moment from 'moment';
+
+export async function theHiveApiRequest(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions, method: string, resource: string, body: any = {}, query: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+	const credentials = this.getCredentials('theHiveApi');
+
+	if (credentials === undefined) {
+		throw new Error('No credentials got returned!');
+	}
+
+	const headerWithAuthentication = Object.assign({}, { Authorization: `Bearer ${credentials.ApiKey}` });
+
+	let options: OptionsWithUri = {
+		headers: headerWithAuthentication,
+		method,
+		qs: query,
+		uri: uri || `${credentials.url}/api${resource}`,
+		body,
+		json: true,
+	};
+
+	if (Object.keys(option).length !== 0) {
+		options = Object.assign({},options, option);
+	}
+
+	if (Object.keys(body).length ===  0) {
+		delete options.body;
+	}
+
+	if (Object.keys(query).length ===  0) {
+		delete options.qs;
+	}
+	try {
+		return await this.helpers.request!(options);
+	} catch (error) {
+		if (error.error ) {
+			const errorMessage = `TheHive error response [${error.statusCode}]: ${error.error.message || error.error.type}`;
+			throw new Error(errorMessage);
+		} else throw error;
+	}
+}
+
+// Helpers functions
+export function mapResource(resource: string): string {
+	switch (resource) {
+		case 'alert':
+			return 'alert';
+		case 'case':
+			return 'case';
+		case 'observable':
+			return 'case_artifact';
+		case 'task':
+			return 'case_task';
+		case 'log':
+			return 'case_task_log';
+		default:
+			return '';
+	}
+}
+
+export function splitTags(tags: string): string[] {
+	return tags.split(',').filter(tag => tag !== ' ' && tag);
+}
+
+export function prepareOptional(optionals: IDataObject): IDataObject {
+	const response: IDataObject = {};
+	for (const key in optionals) {
+		if (optionals[key]!== undefined && optionals[key]!==null && optionals[key]!=='') {
+			if (moment(optionals[key] as string, moment.ISO_8601).isValid()) {
+				response[key] = Date.parse(optionals[key] as string);
+			} else if (key === 'artifacts') {
+				response[key] = JSON.parse(optionals[key] as string);
+			} else if (key === 'tags') {
+				response[key] = splitTags(optionals[key] as string);
+			} else {
+				response[key] = optionals[key];
+			}
+		}
+	}
+	return response;
+}
+
+export function prepareSortQuery(sort: string, body: { query: [IDataObject] }) {
+	if (sort) {
+		const field = sort.substring(1);
+		const value = sort.charAt(0) === '+' ? 'asc' : 'desc';
+		const sortOption: IDataObject = {};
+		sortOption[field] = value;
+		body.query.push(
+			{
+				'_name': 'sort',
+				'_fields': [
+					sortOption,
+				],
+			},
+		);
+	}
+}
+
+export function prepareRangeQuery(range: string, body: { 'query': Array<{}> }) {
+	if (range && range !== 'all') {
+		body['query'].push(
+			{
+				'_name': 'page',
+				'from': parseInt(range.split('-')[0], 10),
+				'to': parseInt(range.split('-')[1], 10)
+			}
+		);
+	}
+}