Cannot open KDBX files in Keeweb on Read Only local external storage

Nextcloud version: 23.0.0
Operating system and version: docker (nextcloud:apache image)
Apache or nginx version: Apache/2.4.51
PHP version: PHP 8.0.14

The issue you are facing:

If I make a .kdbx (keepass database) file available on an RW external storage (local),
I can open it in Keeweb simply by clicking on the file in Nextcloud. So far so good.

When trying to do the same on a read only (RO) external storage (still local),
the file is not opened in Keeweb. Instead, I get the download dialog.

I don’t think that this is related to the external storage:
I tried the same with the file in a read-only folder inside the user’s data folder,
causing the same issue (ie. file downloaded instead of opening in Keeweb).

Is this the first time you’ve seen this error? (Y/N): Y (first time trying it too)

Steps to replicate it (assuming that Keeweb is already installed):

  1. Create a .kdbx file using keepass or another compatible password manager.
  2. Copy the file on a local external storage mounted as read only.
  3. Click on the file => the download dialog is opening.
  4. Make the external storage RW and try again to click on the file => it opens in Keeweb.

The output of your Nextcloud log in Admin > Logging:

{"reqId":"ZuHp3YxWOKduMbGNTjdW","level":0,"time":"2022-01-04T21:03:46+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/ocs/v2.php/apps/text/workspace?path=%2Faccess","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"ZuHp3YxWOKduMbGNTjdW","level":0,"time":"2022-01-04T21:03:46+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/ocs/v2.php/apps/text/workspace?path=%2Faccess","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"2N8OU0Z4FstnfBZAIBKT","level":0,"time":"2022-01-04T21:03:47+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/index.php/apps/files/ajax/getstoragestats.php?dir=%2Faccess","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"2N8OU0Z4FstnfBZAIBKT","level":0,"time":"2022-01-04T21:03:47+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/index.php/apps/files/ajax/getstoragestats.php?dir=%2Faccess","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/settings/user","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/settings/user","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/user","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/user","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/user","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/user","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/user","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/user","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"aUsF5uV8J5MCovAbxmcx","level":0,"time":"2022-01-04T21:03:54+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/user","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"lzjL5uU0ZpgHq1ce494X","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/ocs/v2.php/apps/user_status/api/v1/statuses/halol","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"lzjL5uU0ZpgHq1ce494X","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/ocs/v2.php/apps/user_status/api/v1/statuses/halol","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"UF9W4ahjRW0ltErO1Twr","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/ocs/v2.php/apps/notifications/api/v2/notifications","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"UF9W4ahjRW0ltErO1Twr","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/ocs/v2.php/apps/notifications/api/v2/notifications","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"3Gyzl6Xy4fLiiZPok3XX","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"PUT","url":"/apps/user_status/heartbeat","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"3Gyzl6Xy4fLiiZPok3XX","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"PUT","url":"/apps/user_status/heartbeat","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"MJb1yRHucYHIt0Q6GBB0","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/ocs/v2.php/search/providers?from=%2Fsettings%2Fuser","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"MJb1yRHucYHIt0Q6GBB0","level":0,"time":"2022-01-04T21:03:55+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/ocs/v2.php/search/providers?from=%2Fsettings%2Fuser","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Vn88hkszEgFwFZn97M7i","level":0,"time":"2022-01-04T21:03:56+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/cron.php","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Vn88hkszEgFwFZn97M7i","level":0,"time":"2022-01-04T21:03:56+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/cron.php","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Vn88hkszEgFwFZn97M7i","level":0,"time":"2022-01-04T21:03:56+00:00","remoteAddr":"172.29.4.4","user":"--","app":"cron","method":"GET","url":"/cron.php","message":"Run OCA\\UpdateNotification\\Notification\\BackgroundJob job with ID 13","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Vn88hkszEgFwFZn97M7i","level":0,"time":"2022-01-04T21:03:56+00:00","remoteAddr":"172.29.4.4","user":"--","app":"cron","method":"GET","url":"/cron.php","message":"Finished OCA\\UpdateNotification\\Notification\\BackgroundJob job with ID 13 in 0 seconds","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/settings/admin/logging","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/settings/admin/logging","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/admin/logging","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/admin/logging","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/admin/logging","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/admin/logging","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/admin/logging","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/admin/logging","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"4iqmqyNYGGXyyvdEBz5S","level":0,"time":"2022-01-04T21:03:59+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"scss_cacher","method":"GET","url":"/settings/admin/logging","message":"SCSSCacher::process ordinary check follows","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"ulHfMkWvLZ6tga8N00GP","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/apps/logreader/settings","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"ulHfMkWvLZ6tga8N00GP","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/apps/logreader/settings","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"7ouZEeDJ3Koxz6Sv09mD","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/ocs/v2.php/apps/notifications/api/v2/notifications","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"7ouZEeDJ3Koxz6Sv09mD","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/ocs/v2.php/apps/notifications/api/v2/notifications","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Z9eiaH9jsudMJ1CogB8C","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"PUT","url":"/apps/user_status/heartbeat","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Z9eiaH9jsudMJ1CogB8C","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"PUT","url":"/apps/user_status/heartbeat","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"oI7vXf7zJpiNFJjfovNR","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/ocs/v2.php/search/providers?from=%2Fsettings%2Fadmin%2Flogging","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"oI7vXf7zJpiNFJjfovNR","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/ocs/v2.php/search/providers?from=%2Fsettings%2Fadmin%2Flogging","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"mAMXbK9QshdKSHIUm6j8","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/cron.php","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"mAMXbK9QshdKSHIUm6j8","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/cron.php","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Zc3lFspyJRorhpFa6SPs","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/apps/logreader/get?offset=0&count=50&levels=11111","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"Zc3lFspyJRorhpFa6SPs","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/apps/logreader/get?offset=0&count=50&levels=11111","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"mAMXbK9QshdKSHIUm6j8","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"--","app":"cron","method":"GET","url":"/cron.php","message":"Run OCA\\DAV\\BackgroundJob\\CalendarRetentionJob job with ID 583","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"mAMXbK9QshdKSHIUm6j8","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"--","app":"cron","method":"GET","url":"/cron.php","message":"Finished OCA\\DAV\\BackgroundJob\\CalendarRetentionJob job with ID 583 in 0 seconds","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"dDkiie7QLX3kJ8cdb4Fa","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"keeweb","method":"GET","url":"/apps/logreader/poll?lastReqId=Zc3lFspyJRorhpFa6SPs","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}
{"reqId":"dDkiie7QLX3kJ8cdb4Fa","level":0,"time":"2022-01-04T21:04:00+00:00","remoteAddr":"172.29.4.4","user":"halol","app":"qownnotesapi","method":"GET","url":"/apps/logreader/poll?lastReqId=Zc3lFspyJRorhpFa6SPs","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0","version":"23.0.0.10"}

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

<?php
$CONFIG = array (
  'htaccess.RewriteBase' => '/',
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'apps_paths' =>
  array (
    0 =>
    array (
      'path' => '/var/www/html/apps',
      'url' => '/apps',
      'writable' => false,
    ),
    1 =>
    array (
      'path' => '/var/www/html/custom_apps',
      'url' => '/custom_apps',
      'writable' => true,
    ),
  ),
  'instanceid' => '',
  'passwordsalt' => '',
  'secret' => '',
  'trusted_domains' =>
  array (

  ),
  'trusted_proxies' =>
  array (

  ),
  'datadirectory' => '/var/www/html/data',
  'overwrite.cli.url' => '',
  'overwriteprotocol' => 'https',
  'dbtype' => 'sqlite3',
  'version' => '23.0.0.10',
  'installed' => true,
  'mail_smtpmode' => 'smtp',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_from_address' => '',
  'mail_domain' => '',
  'mail_smtphost' => '',
  'maintenance' => false,
  'loglevel' => 0,
  'app_install_overwrite' =>
  array (
    0 => 'tasks',
    1 => 'mindmaps',
    2 => 'calendar',
  ),
  'theme' => '',
);


The output of your Apache/nginx/system log in `/var/log/__ :
showing attempt to open myuser.kdbx

172.29.4.4 - - [04/Jan/2022:21:03:24 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 304 744 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:46 +0000] "GET /ocs/v2.php/apps/text/workspace?path=%2Fextstore HTTP/1.1" 404 875 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:46 +0000] "PROPFIND /remote.php/dav/files/myuser/extstore HTTP/1.1" 207 1571 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:46 +0000] "GET /index.php/apps/files/ajax/getstoragestats.php?dir=%2Fextstore HTTP/1.1" 200 956 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:48 +0000] "GET /remote.php/webdav/extstore/myuser.kdbx HTTP/1.1" 200 125775 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - myuser [04/Jan/2022:21:03:52 +0000] "PROPFIND /remote.php/dav/files/myuser/ HTTP/1.1" 207 989 "-" "Mozilla/5.0 (Linux) mirall/3.4.1git (Nextcloud, arch-5.15.12-arch1-1 ClientArchitecture: x86_64 OsArchitecture: x86_64)"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /settings/user HTTP/1.1" 200 22349 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/actions/user.svg HTTP/1.1" 200 955 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/settings/img/password.svg HTTP/1.1" 200 736 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/files_external/img/app-dark.svg HTTP/1.1" 200 847 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/clients/phone.svg HTTP/1.1" 200 824 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/accessibility/img/app-dark.svg HTTP/1.1" 200 4530 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/actions/share.svg HTTP/1.1" 200 770 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/places/contacts.svg HTTP/1.1" 200 1336 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/workflowengine/img/app-dark.svg HTTP/1.1" 200 1276 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/privacy/img/app-dark.svg HTTP/1.1" 200 802 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/settings/img/admin.svg HTTP/1.1" 200 715 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/support/img/section.svg HTTP/1.1" 200 726 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/actions/settings-dark.svg HTTP/1.1" 200 1551 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/actions/password.svg HTTP/1.1" 200 736 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/theming/img/app-dark.svg HTTP/1.1" 200 1091 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/actions/user-admin.svg HTTP/1.1" 200 2460 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /custom_apps/bookmarks/img/bookmarks-black.svg HTTP/1.1" 200 3722 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/activity/img/activity-dark.svg HTTP/1.1" 200 684 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/survey_client/img/app-dark.svg HTTP/1.1" 200 2277 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/logreader/img/app-dark.svg HTTP/1.1" 200 993 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /apps/serverinfo/img/app-dark.svg HTTP/1.1" 200 909 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/facebook.svg HTTP/1.1" 200 744 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:54 +0000] "GET /core/img/actions/verify.svg HTTP/1.1" 200 1087 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:55 +0000] "GET /ocs/v2.php/apps/user_status/api/v1/statuses/myuser HTTP/1.1" 200 873 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:55 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 200 906 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:55 +0000] "PUT /apps/user_status/heartbeat HTTP/1.1" 200 863 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:55 +0000] "GET /ocs/v2.php/search/providers?from=%2Fsettings%2Fuser HTTP/1.1" 200 1052 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:56 +0000] "GET /core/img/favicon.ico HTTP/1.1" 200 3754 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:55 +0000] "GET /cron.php HTTP/1.1" 200 876 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:03:59 +0000] "GET /settings/admin/logging HTTP/1.1" 200 10377 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:04:00 +0000] "GET /apps/logreader/settings HTTP/1.1" 200 858 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:04:00 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/1.1" 200 906 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:04:00 +0000] "PUT /apps/user_status/heartbeat HTTP/1.1" 200 863 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:04:00 +0000] "GET /ocs/v2.php/search/providers?from=%2Fsettings%2Fadmin%2Flogging HTTP/1.1" 200 1052 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:04:00 +0000] "GET /apps/logreader/get?offset=0&count=50&levels=11111 HTTP/1.1" 200 2138 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"
172.29.4.4 - - [04/Jan/2022:21:04:00 +0000] "GET /apps/logreader/poll?lastReqId=Zc3lFspyJRorhpFa6SPs HTTP/1.1" 200 1265 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0"