FireFox+Nextcloud 15 Sync shows a 404 not found error since upgrade to fx 65.0/66.0

[rcmcronny]

Bug report

Steps to reproduce - current behaviour

Type in the unlock passwort, a field above with the message

" Invalid response: 404 Not Found"

is shown and the database is NOT unlocked.

What is the expected behaviour

Type in the unlock password, the matching elements should be shown

Additional remarks

Browser Console shows:

_Invalid response: 404 Not Found popup.build.js:8:268736 unlock moz-extension://d57aaab5-e3fd-49a4-960b-20a976f36585/build/popup.build.js:8

Sicherheitsfehler: Inhalt auf moz-nullprincipal:{9855ef58-6578-44fd-8ae0-96f252ad4ff4} darf keine Daten von moz-extension://d57aaab5-e3fd-49a4-960b-20a976f36585/build/popup.build.js laden. NS_ERROR_DOM_BAD_URI: Component returned failure code: 0x805303f4 [nsIWebNavigation.loadURI] viewSource-content.js:284_

Environment

Operating System: Linux Gentoo Desktop Browser: Firefox 65.0about:version) Storage: Nextcloud 15

Before the upgrade to firefox 65.0 this worked, so it ha to do with the upgrade i suspekt.

[rcmcronny]

the same issue is with firefox-66 now, any fix or hint ?

[henryptung]

@rcmcronny Are you using the shared link provider? If so, you may want to take a look at https://github.com/subdavis/Tusk/issues/307 and https://github.com/subdavis/Tusk/pull/308.

[rcmcronny]

nope, i use the WebDAV provider with the suggested secured meassures.