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🗂️ fix: Disable express-static-gzip for Uploaded Images (#8307)

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* Fix scanning of the uploaded images folder on startup

* Re-write tests to pass linting

* Disable image output gzip scan by default

* Add `ENABLE_IMAGE_OUTPUT_GZIP_SCAN` to `.env.example`
This commit is contained in:
Sebastien Bruel 2025-07-12 05:51:53 +09:00 • committed by GitHub
parent d2e1ca4c4a
commit 9f44187351
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5 changed files with 620 additions and 32 deletions
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74
api/server/utils/staticCache.js
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@ -1,4 +1,5 @@
const path = require('path');
const express = require('express');
const expressStaticGzip = require('express-static-gzip');
const oneDayInSeconds = 24 * 60 * 60;
@ -7,44 +8,55 @@ const sMaxAge = process.env.STATIC_CACHE_S_MAX_AGE || oneDayInSeconds;
const maxAge = process.env.STATIC_CACHE_MAX_AGE || oneDayInSeconds * 2;
/**
* Creates an Express static middleware with gzip compression and configurable caching
* Creates an Express static middleware with optional gzip compression and configurable caching
*
* @param {string} staticPath - The file system path to serve static files from
* @param {Object} [options={}] - Configuration options
* @param {boolean} [options.noCache=false] - If true, disables caching entirely for all files
* @returns {ReturnType<expressStaticGzip>} Express middleware function for serving static files
* @param {boolean} [options.skipGzipScan=false] - If true, skips expressStaticGzip middleware
* @returns {ReturnType<expressStaticGzip>|ReturnType<express.static>} Express middleware function for serving static files
*/
function staticCache(staticPath, options = {}) {
const { noCache = false } = options;
return expressStaticGzip(staticPath, {
enableBrotli: false,
orderPreference: ['gz'],
setHeaders: (res, filePath) => {
if (process.env.NODE_ENV?.toLowerCase() !== 'production') {
return;
}
if (noCache) {
res.setHeader('Cache-Control', 'no-store, no-cache, must-revalidate');
return;
}
if (filePath.includes('/dist/images/')) {
return;
}
const fileName = path.basename(filePath);
const { noCache = false, skipGzipScan = false } = options;
if (
fileName === 'index.html' ||
fileName.endsWith('.webmanifest') ||
fileName === 'manifest.json' ||
fileName === 'sw.js'
) {
res.setHeader('Cache-Control', 'no-store, no-cache, must-revalidate');
} else {
res.setHeader('Cache-Control', `public, max-age=${maxAge}, s-maxage=${sMaxAge}`);
}
},
index: false,
});
const setHeaders = (res, filePath) => {
if (process.env.NODE_ENV?.toLowerCase() !== 'production') {
return;
}
if (noCache) {
res.setHeader('Cache-Control', 'no-store, no-cache, must-revalidate');
return;
}
if (filePath && filePath.includes('/dist/images/')) {
return;
}
const fileName = filePath ? path.basename(filePath) : '';
if (
fileName === 'index.html' ||
fileName.endsWith('.webmanifest') ||
fileName === 'manifest.json' ||
fileName === 'sw.js'
) {
res.setHeader('Cache-Control', 'no-store, no-cache, must-revalidate');
} else {
res.setHeader('Cache-Control', `public, max-age=${maxAge}, s-maxage=${sMaxAge}`);
}
};
if (skipGzipScan) {
return express.static(staticPath, {
setHeaders,
index: false,
});
} else {
return expressStaticGzip(staticPath, {
enableBrotli: false,
orderPreference: ['gz'],
setHeaders,
index: false,
});
}
}
module.exports = staticCache;