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Улучшение отдачи файлов книг и статики

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Book Pauk
2022-10-20 21:46:05 +07:00
parent f7297ac573
commit 8c1ec1dc93
3 changed files with 52 additions and 45 deletions
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54
server/index.js
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@@ -49,9 +49,14 @@ async function init() {
config.tempDir = `${config.dataDir}/tmp`;
config.logDir = `${config.dataDir}/log`;
config.publicDir = `${config.dataDir}/public`;
config.publicFilesDir = `${config.dataDir}/public-files`;
config.filesPathStatic = `/book`;
config.filesDir = `${config.publicFilesDir}${config.filesPathStatic}`;
configManager.config = config;
await fs.ensureDir(config.dataDir);
await fs.ensureDir(config.filesDir);
await fs.ensureDir(config.tempDir);
await fs.emptyDir(config.tempDir);
@@ -170,29 +175,42 @@ async function main() {
}
function initStatic(app, config) {
const WebWorker = require('./core/WebWorker');//singleton
const webWorker = new WebWorker(config);
/*
publicFilesDir = `${config.dataDir}/public-files`;
filesPathStatic = `/book`;
filesDir = `${config.publicFilesDir}${config.filesPathStatic}`;
*/
const filesPath = `${config.filesPathStatic}/`;
//загрузка или восстановление файлов в /files, при необходимости
app.use(async(req, res, next) => {
if ((req.method !== 'GET' && req.method !== 'HEAD') ||
!(req.path.indexOf('/files/') === 0)
!(req.path.indexOf(filesPath) === 0)
) {
return next();
}
const publicPath = `${config.publicDir}${req.path}`;
if (path.extname(req.path) == '.json')
return next();
const bookFile = `${config.publicFilesDir}${req.path}`;
const bookFileDesc = `${bookFile}.json`;
let downFileName = '';
//восстановим
//восстановим из json-файла описания
try {
if (!await fs.pathExists(publicPath)) {
downFileName = await webWorker.restoreBookFile(publicPath);
if (await fs.pathExists(bookFile) && await fs.pathExists(bookFileDesc)) {
await utils.touchFile(bookFile);
await utils.touchFile(bookFileDesc);
let desc = await fs.readFile(bookFileDesc, 'utf8');
desc = JSON.parse(desc);
downFileName = desc.downFileName;
} else {
downFileName = await webWorker.getDownFileName(publicPath);
await fs.remove(bookFile);
await fs.remove(bookFileDesc);
}
} catch(e) {
//quiet
log(LM_ERR, e.message);
}
if (downFileName)
@@ -202,20 +220,16 @@ function initStatic(app, config) {
});
//заголовки при отдаче
const filesDir = utils.toUnixPath(`${config.publicDir}/files`);
app.use(express.static(config.publicDir, {
setHeaders: (res, filePath) => {
//res.set('Cache-Control', 'no-cache');
//res.set('Expires', '-1');
if (utils.toUnixPath(path.dirname(filePath)) == filesDir) {
app.use(config.filesPathStatic, express.static(config.filesDir, {
setHeaders: (res) => {
if (res.downFileName) {
res.set('Content-Encoding', 'gzip');
if (res.downFileName)
res.set('Content-Disposition', `inline; filename*=UTF-8''${encodeURIComponent(res.downFileName)}`);
res.set('Content-Disposition', `inline; filename*=UTF-8''${encodeURIComponent(res.downFileName)}`);
}
},
}));
app.use(express.static(config.publicDir));
}
(async() => {