Arkadiusz Fal 313403cc1e Stop a missing ubiquity token from meaning "signed out"
Third review pass.

adoptCurrentIdentity() treated a nil ubiquityIdentityToken as sign-out and
scoped credentials to "local". But Foundation also returns nil when iCloud
Drive is unavailable or switched off, and Yattee declares only the CloudKit
service with no ubiquity container, so the token tracks iCloud Drive state
rather than the account. In that configuration two different signed-in
Apple accounts both resolved to "local" and shared one credential
namespace - since Keychain items survive an account switch, account B could
then read account A's retained credential. That is the precise failure this
whole change exists to prevent.

A nil token now means unresolved, and CloudKit's account status settles it
during resolution: noAccount scopes to local, available proceeds to the
user-record lookup, anything else stays unresolved and retries. A scope
resolved without a token is not cached, because there is no key that could
be trusted to mean this account.

Adoption markers are now namespaced by Keychain service. Both credential
managers share one marker store and an instance UUID can outlive a change
of backend, so adopting an Invidious credential could suppress the Piped
offer for the same instance and point deletion at the wrong secret.

Writing the account-status branch also surfaced a Swift trap: an
unqualified `break` inside the switch left only the switch and fell through
to the user-record lookup, resolving a scope on an undetermined account
status. The loop is labelled now, and the test that caught it is included.
2026-08-23 23:56:31 +02:00
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Yattee logo

Yattee

Privacy oriented video player for iOS, tvOS and macOS

AGPL v3 GitHub issues GitHub pull requests

Discord

Yattee 2 is in the works! A new version of the app is being built with a refreshed experience. It pairs with the new Yattee Server — a self-hosted backend powered by yt-dlp that supports 1000+ sites. Join the TestFlight beta to try early builds, and check the new documentation site at docs.yattee.stream for guides, roadmap and changelog.

Features

  • Native user interface built with SwiftUI with customization settings
  • Player queue and history
  • Player component with custom controls, gestures and support for 4K playback
  • Fullscreen, Picture in Picture and background audio playback
  • SponsorBlock, configurable categories to skip

License

Yattee and its components is shared on AGPL v3 license.

Description
Privacy oriented video player for iOS, tvOS and macOS
Readme AGPL-3.0 344 MiB
Languages
Swift 96.9%
Ruby 2.7%
C 0.3%