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refactor: No need for observe_securejoin_on_other_device() for securejoin v2

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Hocuri
2025-09-02 20:55:11 +02:00
parent 6e68eb1c5d
commit 286f913f6e
1 changed files with 12 additions and 6 deletions
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18
src/securejoin.rs
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@@ -545,7 +545,6 @@ pub(crate) async fn handle_securejoin_handshake(
/// we know that we are Alice (inviter-observer)
/// that just marked peer (Bob) as verified
/// in response to correct vc-request-with-auth message.
// TODO here I may be able to fix some multi-device things
pub(crate) async fn observe_securejoin_on_other_device(
context: &Context,
mime_message: &MimeMessage,
@@ -561,13 +560,18 @@ pub(crate) async fn observe_securejoin_on_other_device(
if !matches!(
step,
"vg-request-with-auth"
| "vc-request-with-auth"
| "vg-member-added"
| "vb-member-added"
| "vc-contact-confirm"
"vg-request-with-auth" | "vc-request-with-auth" | "vg-member-added" | "vc-contact-confirm"
) {
// `vb-request-with-auth` can be ignored
// because we wouldn't be able to decrypt the message
// (it's symmetrically encrypted with the AUTH token, which only the scanning device knows);
// instead, the verification is transferred via a `MarkVerified` sync message.
// `vb-member-added` can be ignored
// because all devices receive the `vb-request-with-auth` message
// and mark Bob as verified because of this.
return Ok(HandshakeMessage::Ignore);
// TODO for `vb-member-added`, we probably need to return HandshakeMessage::Propagate,
// because otherwise, Bob's second device won't receive the message correctly
};
if !encrypted_and_signed(context, mime_message, &get_self_fingerprint(context).await?) {
@@ -605,6 +609,7 @@ pub(crate) async fn observe_securejoin_on_other_device(
if step == "vg-member-added" {
inviter_progress(context, contact_id, 800);
}
// TODO superflous vb-member-added (we're early-returning above):
if step == "vg-member-added" || step == "vb-member-added" || step == "vc-contact-confirm" {
inviter_progress(context, contact_id, 1000);
}
@@ -617,6 +622,7 @@ pub(crate) async fn observe_securejoin_on_other_device(
}
if step == "vg-member-added" || step == "vb-member-added" {
// TODO superflous vb-member-added (we're early-returning above)
Ok(HandshakeMessage::Propagate)
} else {
Ok(HandshakeMessage::Ignore)