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006c83fbe4
refs #9589
44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
const express = require('express');
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const path = require('path');
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const config = require('../../config');
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const constants = require('../../lib/constants');
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const themeUtils = require('../../services/themes');
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function isBlackListedFileType(file) {
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const blackListedFileTypes = ['.hbs', '.md', '.json'];
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const ext = path.extname(file);
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return blackListedFileTypes.includes(ext);
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}
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function isWhiteListedFile(file) {
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const whiteListedFiles = ['manifest.json'];
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const base = path.basename(file);
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return whiteListedFiles.includes(base);
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}
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function forwardToExpressStatic(req, res, next) {
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if (!themeUtils.getActive()) {
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return next();
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}
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const configMaxAge = config.get('caching:theme:maxAge');
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express.static(themeUtils.getActive().path,
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{maxAge: (configMaxAge || configMaxAge === 0) ? configMaxAge : constants.ONE_YEAR_MS}
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)(req, res, next);
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}
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function staticTheme() {
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return function blackListStatic(req, res, next) {
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if (!isWhiteListedFile(req.path) && isBlackListedFileType(req.path)) {
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return next();
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}
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return forwardToExpressStatic(req, res, next);
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};
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}
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module.exports = staticTheme;
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