mirror of
https://github.com/strapi/strapi.git
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529 lines
15 KiB
JavaScript
529 lines
15 KiB
JavaScript
'use strict';
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/**
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* Module dependencies
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*/
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// Node.js core.
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const crypto = require('crypto');
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const path = require('path');
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const exec = require('child_process').exec;
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// Public node modules.
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const _ = require('lodash');
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const fs = require('fs-extra');
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const io = require('socket.io-client');
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const request = require('request');
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const RSA = require('node-rsa');
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const stringify = require('json-stringify-safe');
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const unzip = require('unzip');
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/**
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* SaaS hook
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*/
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module.exports = function(strapi) {
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const hook = {
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/**
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* Default options
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*/
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defaults: {
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saas: {
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enabled: true,
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secretKey: ''
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}
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},
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/**
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* Initialize the hook
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*/
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initialize: function(cb) {
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const _self = this;
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let firstConnectionAttempt = true;
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if (_.isPlainObject(strapi.config.saas) && !_.isEmpty(strapi.config.saas)) {
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const manager = io.Manager(strapi.config.saas.url, {
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'reconnectionDelay': 2000,
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'reconnectionDelayMax': 5000,
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'reconnectionAttempts': 5
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});
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const socket = io.connect(strapi.config.saas.url, {
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'reconnection': true,
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'force new connection': true,
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'transports': [
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'polling',
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'websocket',
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'htmlfile',
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'xhr-polling',
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'jsonp-polling'
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]
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});
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manager.on('connect_failed', function(err) {
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if (firstConnectionAttempt) {
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strapi.log.warn('Connection to the SaaS server failed!');
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}
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});
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manager.on('reconnect_failed', function() {
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strapi.log.warn('Reconnection to the SaaS server failed!');
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});
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manager.on('reconnect', function() {
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strapi.log.info('Connection to the SaaS server found, please wait a few seconds...');
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});
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manager.on('reconnecting', function(number) {
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strapi.log.warn('Connection error with the SaaS server, new attempt in progress... (' + number + ')');
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});
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socket.on('connect', function() {
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strapi.log.info('Connection with the SaaS server found, please wait a few seconds...');
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firstConnectionAttempt = false;
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_self.connectWithSaaS(socket);
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});
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socket.on('error', function(err) {
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strapi.log.warn(err);
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});
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socket.on('disconnect', function() {
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strapi.log.info('Disconnected from the SaaS server.');
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});
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socket.on('authorized', function(data) {
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const decryptedData = strapi.rsa.decryptPublic(data, 'json');
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if (decryptedData.status === 'ok') {
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if (strapi.config.environment === 'development') {
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socket.emit('testEncryption', {
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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secretKey: strapi.config.saas.secretKey,
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data: 'ok'
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})
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}, function(err, data) {
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if (err) {
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strapi.log.warn(err);
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}
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strapi.log.info('Connected with the SaaS server.');
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});
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} else {
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socket.emit('testEncryption', {
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appId: strapi.config.saas.appId,
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env: strapi.config.environment,
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encrypted: strapi.rsa.encrypt({
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secretKey: strapi.config.saas.secretKey,
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data: 'ok'
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})
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}, function(err, data) {
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if (err) {
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strapi.log.warn(err);
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}
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strapi.log.info('Connected with the SaaS server.');
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});
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}
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}
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});
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socket.on('todo', function(data, fn) {
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if (!data.hasOwnProperty('from') || !data.hasOwnProperty('to')) {
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fn(stringify('Some required attributes are missing', null, 2), null);
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} else {
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if (data.from === strapi.token) {
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if (data.hasOwnProperty('files')) {
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let arrayOfPromises = [];
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_.forEach(data.files, function(file) {
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arrayOfPromises.push(_self.unzipper(file));
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});
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Promise.all(arrayOfPromises)
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.then(function() {
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if (data.hasOwnProperty('action') && _.isFunction(_self[data.action])) {
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_self[data.action](data, function(err, obj) {
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if (err) {
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: stringify(err, null, 2),
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data: null
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})
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});
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return false;
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}
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: null,
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data: stringify(obj, null, 2)
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})
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});
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});
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} else {
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if (!data.hasOwnProperty('action')) {
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: null,
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data: stringify(true, null, 2)
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})
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});
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} else {
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: stringify('Unknow action', null, 2),
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data: null
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})
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});
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}
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}
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})
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.catch(function(err) {
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: err,
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data: null
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})
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});
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});
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} else {
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if (!data.hasOwnProperty('action')) {
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fn(strapi.rsa.encrypt(stringify('`action` attribute is missing', null, 2)), strapi.rsa.encryptPrivate(null));
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} else {
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if (_.isFunction(_self[data.action])) {
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_self[data.action](data, function(err, obj) {
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if (err) {
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: err,
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data: null
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})
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});
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return false;
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}
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: null,
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data: stringify(obj, null, 2)
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})
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});
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});
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} else {
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fn({
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appId: strapi.config.saas.appId,
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token: strapi.token,
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encrypted: strapi.rsa.encrypt({
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err: stringify('Unknow action', null, 2),
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data: null
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})
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});
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}
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}
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}
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}
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}
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});
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socket.on('err', function(data) {
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strapi.log.warn(data.text);
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});
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cb();
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}
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},
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connectWithSaaS: function(socket) {
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strapi.rsa = new RSA({
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b: 2048
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});
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fs.readFile(path.resolve(process.env[process.platform === 'win32' ? 'USERPROFILE' : 'HOME'], '.strapirc'), {
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encoding: 'utf8'
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}, function(err, config) {
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if (err) {
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strapi.log.warn('Continuing without credentials.');
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} else {
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config = JSON.parse(config);
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strapi.token = config.token;
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socket.emit('getPublicKey', null, function(publicKey) {
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if (publicKey) {
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const key = new RSA();
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let object;
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key.importKey(publicKey, 'public');
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if (strapi.config.environment === 'development') {
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object = {
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appId: strapi.config.saas.appId,
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appName: strapi.config.name,
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publicKey: strapi.rsa.exportKey('private'),
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secretKey: strapi.config.saas.secretKey,
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token: strapi.token,
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env: strapi.config.environment
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};
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} else {
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object = {
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appId: strapi.config.saas.appId,
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appName: strapi.config.name,
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publicKey: strapi.rsa.exportKey('private'),
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secretKey: strapi.config.saas.secretKey,
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env: strapi.config.environment
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};
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}
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socket.emit('check', key.encrypt(object));
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}
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});
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}
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});
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},
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/**
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* Subaction for config
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*
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* @param {Object} data
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*
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* @return {Function} cb
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*/
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handleConfig: function(data, cb) {
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const _self = this;
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strapi.log.warn('We need to flush server.');
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strapi.log.warn('Install dependencies if we have to.');
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cb(null, true);
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},
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/**
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* Pull global strapi variable from local server
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*
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* @param {Object} data
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*
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* @return {Function} cb
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*/
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pullServer: function(data, cb) {
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let obj = {};
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obj.token = strapi.token;
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obj.config = strapi.config;
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obj.models = strapi.models;
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obj.modules = strapi.modules;
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obj.templates = {};
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cb(null, obj);
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},
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/**
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* Rebuild dictionary
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*
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* @param {Object} data
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*
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* @return {Function} cb
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*/
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rebuild: function(data, cb) {
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strapi.rebuild();
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cb(null, true);
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},
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/**
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* Remove file or folder
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*
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* @param {Object} data
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*
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* @return {Function} cb
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*/
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removeFileOrFolder: function(data, cb) {
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const _self = this;
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let arrayOfPromises = [];
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if (data.hasOwnProperty('toRemove') && _.isArray(data.toRemove)) {
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var toRemove = function(path) {
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var deferred = Promise.defer();
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fs.exists(path, function(exists) {
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if (exists) {
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fs.remove(path, function(err) {
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if (err) {
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deferred.reject(err);
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} else {
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deferred.resolve();
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}
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});
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} else {
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deferred.reject('Unknow path `' + path + '`');
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}
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});
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return deferred.promise;
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};
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_.forEach(data.toRemove, function(fileOrFolder) {
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arrayOfPromises.push(toRemove(fileOrFolder.path));
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});
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Promise.all(arrayOfPromises)
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.then(function() {
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cb(null, true);
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})
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.catch(function(err) {
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cb(err, null);
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});
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} else {
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cb('Attribute `toRemove` is missing or is not an array', null);
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}
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},
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/**
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* Rename file or folder
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*
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* @param {Object} data
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*
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* @return {Function} cb
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*/
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renameFileOrFolder: function(data, cb) {
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const _self = this;
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let arrayOfPromises = [];
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if (data.hasOwnProperty('toRename') && _.isArray(data.toRename)) {
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var toRename = function(oldPath, newPath) {
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var deferred = Promise.defer();
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fs.exists(oldPath, function(exists) {
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if (exists) {
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fs.copy(oldPath, newPath, function(err) {
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if (err) {
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deferred.reject(err);
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} else {
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fs.remove(oldPath, function(err) {
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if (err) {
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deferred.reject(err);
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}
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deferred.resolve();
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});
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}
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});
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} else {
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deferred.reject('Unknow path `' + path + '`');
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}
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});
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return deferred.promise;
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};
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_.forEach(data.toRename, function(fileOrFolder) {
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arrayOfPromises.push(toRename(fileOrFolder.oldPath, fileOrFolder.newPath));
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});
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Promise.all(arrayOfPromises)
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.then(function() {
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cb(null, true);
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})
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.catch(function(err) {
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cb(err, null);
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});
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} else {
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cb('Attribute `toRename` is missing or is not an array', null);
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}
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},
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/**
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* Function to unzip file or folder to specific folder
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*
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* @param {Object} data
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*
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* @return {Function} cb
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*/
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unzipper: function(data) {
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const deferred = Promise.defer();
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crypto.pbkdf2(data.token, strapi.token, 4096, 32, 'sha256', function(err, derivedKey) {
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const fileToUnzip = path.resolve(strapi.config.appPath, '.tmp', derivedKey.toString('hex') + '.zip');
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request({
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method: 'POST',
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preambleCRLF: true,
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postambleCRLF: true,
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json: true,
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uri: strapi.config.saas.url + '/socket/download',
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encoding: null,
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body: {
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token: strapi.token,
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fileId: data.token,
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src: data.src
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}
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})
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.pipe(fs.createWriteStream(fileToUnzip))
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.on('close', function() {
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let folderDest;
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const folderOrFiletoRemove = path.resolve(data.dest);
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if (data.src === 'modules') {
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folderDest = folderOrFiletoRemove;
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} else {
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folderDest = path.resolve(data.dest, '..');
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}
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fs.remove(folderOrFiletoRemove, function(err) {
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if (err) {
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deferred.reject(err);
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}
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fs.createReadStream(fileToUnzip).pipe(unzip.Extract({
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path: folderDest
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}))
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.on('close', function() {
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fs.remove(fileToUnzip, function(err) {
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if (err) {
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deferred.reject(err);
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}
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deferred.resolve();
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});
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}).on('error', function(err) {
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deferred.reject(err);
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});
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});
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})
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.on('error', function(err) {
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cb('Download ZIP or unzip not worked fine', null);
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});
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});
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return deferred.promise;
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}
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};
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return hook;
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};
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