Carl

This would be quite a bit complex to implement; @uazo technically it would have to cover the current profile preferences only, right?

> from a security point of view it worries me a little, knowing that my preferences can be tampered with from the outside. Only the user can; other apps cannot...

> > Only the user can; other apps cannot tamper with these files. > > yes, but theoretically as usual. in any case we would open a "backdoor" that currently...

> > If you can prove that other apps can break the sandbox > > otherwise please do not spread misinformation. > > no, absolutely not what I want. >...

> > It is impossible to add any security feature to protect users in such scenario > > in the hypothesis that a replacement of those files at startup can...

There is a work-in-progress by @uazo for this issue in #1500; should we continue with this or first look into #244 (or similar)?

> the problem with that patch is how to encrypt the data .. otherwise it's fine I already replied to this. Either no encryption or ask user to provide one....

See this: https://android-developers.googleblog.com/2022/03/freeing-up-60-of-storage-for-apps.html That "archived APK" format is not very far from what is described here for this issue.

What permissions do apps need to be able to access this saved backup file **without** user interaction? As far as I understand they would need `MANAGE_EXTERNAL_STORAGE`, otherwise an user interaction...

> 1. not a problem in itself, but the `ChromeBackupAgent` code seems unused to me, that is, I couldn't find anything that could enable it in the chromium base code....