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feat: Verified 1:1 chats (#4315)

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Implement #4188

BREAKING CHANGE: Remove unused DC_STR_PROTECTION_(EN)ABLED* strings
BREAKING CHANGE: Remove unused dc_set_chat_protection()
This commit is contained in:
Hocuri
2023-07-09 14:06:45 +02:00
committed by GitHub
parent 243c035b03
commit 9cd000c4f2
21 changed files with 1037 additions and 455 deletions
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25
src/peerstate.rs
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@@ -392,6 +392,31 @@ impl Peerstate {
}
}
/// Returns a reference to the contact's public key fingerprint.
///
/// Similar to [`Self::peek_key`], but returns the fingerprint instead of the key.
fn peek_key_fingerprint(&self, min_verified: PeerstateVerifiedStatus) -> Option<&Fingerprint> {
match min_verified {
PeerstateVerifiedStatus::BidirectVerified => self.verified_key_fingerprint.as_ref(),
PeerstateVerifiedStatus::Unverified => self
.public_key_fingerprint
.as_ref()
.or(self.gossip_key_fingerprint.as_ref()),
}
}
/// Returns true if the key used for opportunistic encryption in the 1:1 chat
/// is the same as the verified key.
///
/// Note that verified groups always use the verified key no matter if the
/// opportunistic key matches or not.
pub(crate) fn is_using_verified_key(&self) -> bool {
let verified = self.peek_key_fingerprint(PeerstateVerifiedStatus::BidirectVerified);
verified.is_some()
&& verified == self.peek_key_fingerprint(PeerstateVerifiedStatus::Unverified)
}
/// Set this peerstate to verified
/// Make sure to call `self.save_to_db` to save these changes
/// Params: