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fix: ONLYOFFICE cache-busting - use file mtime in doc key + cache-buster param on download URL

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2026-07-16 11:11:13 +00:00
parent 665ba83503
commit 60a07e9ba8
3 changed files with 16 additions and 9 deletions
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renderer/carbone-templates/433a0593-d3cf-414e-8763-ab5f87cbc75c.docx
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3
renderer/carbone-templates/registry.json
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@@ -5,6 +5,7 @@
"filename": "433a0593-d3cf-414e-8763-ab5f87cbc75c.docx",
"originalName": "master_cv_template.docx",
"path": "/root/workspace/cv-app/renderer/carbone-templates/433a0593-d3cf-414e-8763-ab5f87cbc75c.docx",
"uploadedAt": "2026-07-16T09:03:29.601Z"
"uploadedAt": "2026-07-16T09:03:29.601Z",
"updatedAt": "2026-07-16T11:09:51.737Z"
}
]

22
renderer/onlyoffice-service.js
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@@ -109,8 +109,12 @@ function verifyToken(token) {
* ONLYOFFICE uses this to identify document sessions and for caching.
* Must be unique per document + version (so re-edits get fresh sessions).
*/
function generateDocKey(templateId) {
return `cvtemplate_${templateId}_${Date.now()}_${crypto.randomBytes(4).toString('hex')}`;
function generateDocKey(templateId, fileMtime) {
// Include the file's modification time in the key so that
// when the file is updated via callback, the next edit session
// gets a completely new key and ONLYOFFICE fetches the fresh file
const mtime = fileMtime || Date.now();
return `cvtemplate_${templateId}_${mtime}_${crypto.randomBytes(4).toString('hex')}`;
}
// ============================================================
@@ -131,14 +135,16 @@ router.get('/:templateId/config', (req, res) => {
return res.status(404).json({ error: 'Template file missing' });
}
const docKey = generateDocKey(templateId);
// Get file modification time for cache-busting doc key
const fileStats = fs.statSync(template.path);
const fileMtime = fileStats.mtimeMs;
const docKey = generateDocKey(templateId, fileMtime);
const fileName = template.originalName || template.name + '.docx';
// Build the editor config
// The document URL must be accessible from ONLYOFFICE's perspective.
// In Docker: http://cv-backend:8771/api/onlyoffice/<id>/download
// In dev: http://<host>:8771/api/onlyoffice/<id>/download
const documentUrl = `${BACKEND_PUBLIC_URL}/api/onlyoffice/${templateId}/download`;
// Add cache-busting timestamp to the document URL so ONLYOFFICE
// always fetches the latest version from our backend
const cacheBuster = Date.now();
const documentUrl = `${BACKEND_PUBLIC_URL}/api/onlyoffice/${templateId}/download?cb=${cacheBuster}`;
const callbackUrl = `${BACKEND_PUBLIC_URL}/api/onlyoffice/${templateId}/callback`;
const config = {