routes.js

/*
 * LiskHQ/lisk-service
 * Copyright © 2019 Lisk Foundation
 *
 * See the LICENSE file at the top-level directory of this distribution
 * for licensing information.
 *
 * Unless otherwise agreed in a custom licensing agreement with the Lisk Foundation,
 * no part of this software, including this file, may be copied, modified,
 * propagated, or distributed except according to the terms contained in the
 * LICENSE file.
 *
 * Removal or modification of this copyright notice is prohibited.
 *
 */
const config = require('./config');
const { registerApi } = require('./shared/registerHttpApi');

const defaultConfig = {
	whitelist: [],

	aliases: {},

	callOptions: {
		timeout: 30000,
		retries: 3,
	},

	authorization: false,
	mergeParams: true,

	mappingPolicy: 'restrict',

	bodyParsers: {
		json: true,
		urlencoded: { extended: true },
	},
};

// Update when adding new APIs
const PATH_API_MAPPINGS = {
	'/': ['http-status'],
	'/test': ['http-test'],
	'/v3': ['http-version3', 'http-exports'],
};

const filterApis = (requiredApis, registeredModuleNames) => {
	requiredApis = requiredApis.split(',');

	const filteredApis = [];

	// Filter the APIs to be registered on the gateway based on 'requiredApis' config
	const apisToRegister = Object.keys(PATH_API_MAPPINGS).reduce((acc, path) => {
		requiredApis.forEach(api => {
			if (PATH_API_MAPPINGS[path].includes(api)) {
				if (Array.isArray(acc[path])) {
					acc[path].push(api);
				} else {
					acc[path] = [api];
				}
			}
		});
		return acc;
	}, {});

	// Generate the final routes to be registered at the gateway in moleculer-web
	Object.entries(apisToRegister).forEach(([path, apis]) => {
		filteredApis.push(...registerApi(apis, { ...defaultConfig, path }, registeredModuleNames));
	});

	return filteredApis;
};

const getHttpRoutes = registeredModuleNames => filterApis(config.api.http, registeredModuleNames);

module.exports = {
	getHttpRoutes,
};