fix: Don't show a weird 'Secure-Join: vb-request-v2 message' in Alice's 1:1 chat a recipient

src/chat/chat_tests.rs

@@ -2902,6 +2902,16 @@ async fn test_broadcast_joining_golden() -> Result<()> {
     bob.golden_test_chat(bob_chat_id, "test_broadcast_joining_golden_bob")
         .await;
 
+    let alice_bob_contact = alice.add_or_lookup_contact_id(bob).await;
+    let direct_chat = ChatIdBlocked::lookup_by_contact(alice, alice_bob_contact)
+        .await?
+        .unwrap();
+    // The 1:1 chat with Bob should not be visible to the user:
+    assert_eq!(direct_chat.blocked, Blocked::Yes);
+    alice
+        .golden_test_chat(direct_chat.id, "test_broadcast_joining_golden_alice_direct")
+        .await;
+
     Ok(())
 }
 
@@ -3099,7 +3109,7 @@ async fn test_leave_broadcast_multidevice() -> Result<()> {
     let qr = get_securejoin_qr(alice, Some(alice_chat_id)).await.unwrap();
     join_securejoin(bob0, &qr).await.unwrap();
     let request = bob0.pop_sent_msg().await;
-    alice.recv_msg(&request).await;
+    alice.recv_msg_trash(&request).await;
     let answer = alice.pop_sent_msg().await;
     bob0.recv_msg(&answer).await;
     bob1.recv_msg(&answer).await;

src/securejoin.rs

@@ -4,9 +4,7 @@ use anyhow::{Context as _, Error, Result, bail, ensure};
 use deltachat_contact_tools::ContactAddress;
 use percent_encoding::{NON_ALPHANUMERIC, utf8_percent_encode};
 
-use crate::chat::{
+use crate::chat::{self, Chat, ChatId, ChatIdBlocked, ProtectionStatus, get_chat_id_by_grpid};
-    self, Chat, ChatId, ChatIdBlocked, ProtectionStatus, get_chat_id_by_grpid,
-};
 use crate::chatlist_events;
 use crate::config::Config;
 use crate::constants::{Blocked, Chattype, NON_ALPHANUMERIC_WITHOUT_DOT};
@@ -443,11 +441,11 @@ pub(crate) async fn handle_securejoin_handshake(
                     .await?;
                 inviter_progress(context, contact_id, 800);
                 inviter_progress(context, contact_id, 1000);
-                if step.starts_with("vb-") {
+                if step == "vb-request-v2" {
                     // For broadcasts, we don't want to delete the message,
                     // because the other device should also internally add the member
                     // and see the key (because it won't see the member via autocrypt-gossip).
-                    Ok(HandshakeMessage::Propagate)
+                    Ok(HandshakeMessage::Ignore)
                 } else {
                     // IMAP-delete the message to avoid handling it by another device and adding the
                     // member twice. Another device will know the member's key from Autocrypt-Gossip.

test-data/golden/test_broadcast_joining_golden_alice_direct

@@ -0,0 +1,4 @@
+Single#Chat#11: bob@example.net [KEY bob@example.net] 🛡️
+--------------------------------------------------------------------------------
+Msg#11: info (Contact#Contact#Info): Messages are end-to-end encrypted. [NOTICED][INFO 🛡️]
+--------------------------------------------------------------------------------