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ghost/core/server/web/site/middleware/static-theme.js
Hannah Wolfe 53d14fd8e3 Added Router etc to shared/express + use everywhere
- Added a wrapper around express.Router to our shared/express util
- Also export static and _express
- Use this shared util everywhre, meaning express is only used directly in this one file
- ATM this file is mostly an experiment / debug helper, it might be removed again later
- The aim is to have a minimal framework wrapping express that allows us to:
     - reduce our usage of express() in favour of Router()
     - unify some of our duplicated logic
     - fix some structural issues e.g. Sentry
     - make it easier to understand the codebase
2020-05-01 19:32:57 +01:00

43 lines
1.2 KiB
JavaScript

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