140 lines
4.5 KiB
JavaScript
140 lines
4.5 KiB
JavaScript
const fs = require('fs-extra');
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const path = require('path');
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const express = require('express');
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const multer = require('multer');
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const ReaderWorker = require('./core/Reader/ReaderWorker');//singleton
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const log = new (require('./core/AppLogger'))().log;//singleton
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const c = require('./controllers');
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const utils = require('./core/utils');
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function initRoutes(app, wss, config) {
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//эксклюзив для update_checker
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if (config.mode === 'book_update_checker') {
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new c.BookUpdateCheckerController(wss, config);
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return;
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}
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initStatic(app, config);
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const misc = new c.MiscController(config);
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const reader = new c.ReaderController(config);
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const worker = new c.WorkerController(config);
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new c.WebSocketController(wss, config);
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//access
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const [aAll, aNormal, aSite, aReader, aOmnireader] = // eslint-disable-line no-unused-vars
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[config.mode, 'normal', 'site', 'reader', 'omnireader'];
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//multer
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const storage = multer.diskStorage({
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destination: (req, file, cb) => {
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cb(null, config.uploadDir);
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},
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filename: (req, file, cb) => {
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cb(null, utils.randomHexString(30));
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}
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});
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const upload = multer({ storage, limits: {fileSize: config.maxUploadFileSize} });
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//routes
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const routes = [
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['POST', '/api/config', misc.getConfig.bind(misc), [aAll], {}],
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['POST', '/api/reader/load-book', reader.loadBook.bind(reader), [aAll], {}],
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['POST', '/api/reader/storage', reader.storage.bind(reader), [aAll], {}],
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['POST', '/api/reader/upload-file', [upload.single('file'), reader.uploadFile.bind(reader)], [aAll], {}],
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['POST', '/api/worker/get-state', worker.getState.bind(worker), [aAll], {}],
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];
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//to app
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for (let route of routes) {
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let callbacks = [];
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let [httpMethod, path, controllers, access, options] = route;
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let controller = controllers;
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if (Array.isArray(controllers)) {
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controller = controllers[controllers.length - 1];
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callbacks = controllers.slice(0, -1);
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}
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access = new Set(access);
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let callback = () => {};
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if (access.has(config.mode)) {//allowed
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callback = async function(req, res) {
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try {
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const result = await controller(req, res, options);
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if (result !== false)
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res.send(result);
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} catch (e) {
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res.status(500).send({error: e.message});
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}
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};
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} else {//forbidden
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callback = async function(req, res) {
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res.status(403);
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};
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}
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callbacks.push(callback);
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switch (httpMethod) {
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case 'GET' :
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app.get(path, ...callbacks);
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break;
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case 'POST':
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app.post(path, ...callbacks);
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break;
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default:
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throw new Error(`initRoutes error: unknown httpMethod: ${httpMethod}`);
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}
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}
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}
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function initStatic(app, config) {
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const readerWorker = new ReaderWorker(config);
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//восстановление файлов в /tmp и /upload из webdav-storage, при необходимости
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app.use(async(req, res, next) => {
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if ((req.method !== 'GET' && req.method !== 'HEAD') ||
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!(req.path.indexOf('/tmp/') === 0 || req.path.indexOf('/upload/') === 0)
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) {
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return next();
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}
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const filePath = `${config.publicDir}${req.path}`;
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//восстановим
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try {
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if (!await fs.pathExists(filePath)) {
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if (req.path.indexOf('/tmp/') === 0) {
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await readerWorker.restoreRemoteFile(req.path, '/tmp');
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} else if (req.path.indexOf('/upload/') === 0) {
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await readerWorker.restoreRemoteFile(req.path, '/upload');
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}
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}
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} catch(e) {
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log(LM_ERR, `static::restoreRemoteFile ${req.path} > ${e.message}`);
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}
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return next();
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});
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const tmpDir = `${config.publicDir}/tmp`;
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app.use(express.static(config.publicDir, {
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maxAge: '30d',
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setHeaders: (res, filePath) => {
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if (path.dirname(filePath) == tmpDir) {
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res.set('Content-Type', 'application/xml');
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res.set('Content-Encoding', 'gzip');
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}
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},
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}));
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}
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module.exports = {
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initRoutes
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}
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