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Further improvements in caching. The state of the cache is now persisted in DB. This persists the cache between server restarts.

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Tomas Bures 2019-04-22 11:41:37 +02:00
parent 7bcd6c60e9
commit ef0464bbc9
8 changed files with 155 additions and 75 deletions
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24
server/routes/sandboxed-mosaico.js
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@ -227,15 +227,33 @@ async function getRouter(appType) {
} else if (appType === AppType.TRUSTED || appType === AppType.PUBLIC) { // Mosaico editor loads the images from TRUSTED endpoint. This is hard to change because the index.html has to come from TRUSTED.
// So we serve /mosaico/img under both endpoints. There is no harm in it.
router.getAsync('/img', await fileCache('mosaico-images', config.mosaico.fileCache.images), async (req, res) => {
const trustedUrlPrefix = getTrustedUrl();
const publicUrlPrefix = getPublicUrl();
const imgCacheFileName = req => {
const method = req.query.method || '';
const params = req.query.params || '';
const src = req.query.src || '';
if (method === 'placeholder') {
return `${method}_${params}`;
} else if (src.startsWith(trustedUrlPrefix)) {
return `${src.substring(trustedUrlPrefix.length)}_${method}_${params}`;
} else if (src.startsWith(publicUrlPrefix)) {
return `${src.substring(publicUrlPrefix.length)}_${method}_${params}`;
} else {
return null;
}
};
router.getAsync('/img', await fileCache('mosaico-images', config.mosaico.fileCache.images, imgCacheFileName), async (req, res) => {
const method = req.query.method;
const params = req.query.params;
let [width, height] = params.split(',');
let image;
// FIXME - cache the generated files !!!
if (method === 'placeholder') {
width = sanitizeSize(width, 1, 2048, 600, false);
height = sanitizeSize(height, 1, 2048, 300, false);