iris-chat 0.1.53

Iris Chat command line client and shared encrypted chat core
Documentation
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#[test]
fn mobile_push_marks_only_own_pairwise_session_authors_as_background() {
    let owner = Keys::generate();
    let device = Keys::generate();
    let sibling = Keys::generate();
    let peer = Keys::generate();
    let mut core = logged_in_test_core("push-own-background", &owner, &device);
    install_local_sibling_session_for_test(&mut core, &owner, &device, &sibling);
    let _event = appcore_direct_message_event_for_test(
        core.protocol_engine.as_mut().unwrap(),
        &peer,
        "hello",
        200,
    );
    core.create_group("Own group", &[]);
    let engine = core.protocol_engine.as_ref().unwrap();
    let own = engine.message_author_pubkeys_for_owner(owner.public_key());
    let peer_authors = engine.message_author_pubkeys_for_owner(peer.public_key());
    let group_authors = engine.group_sender_event_pubkeys_for_owner(owner.public_key());
    assert!(!own.is_empty() && !peer_authors.is_empty() && !group_authors.is_empty());
    let push = core.build_mobile_push_sync_snapshot();
    for author in own {
        assert!(push.message_author_pubkeys.contains(&author.to_hex()));
        assert!(push
            .background_message_author_pubkeys
            .contains(&author.to_hex()));
    }
    for author in peer_authors {
        assert!(push.message_author_pubkeys.contains(&author.to_hex()));
        assert!(!push
            .background_message_author_pubkeys
            .contains(&author.to_hex()));
    }
    for author in group_authors {
        assert!(!push.message_author_pubkeys.contains(&author.to_hex()));
        assert!(!push
            .background_message_author_pubkeys
            .contains(&author.to_hex()));
    }
    core.preferences.accept_unknown_direct_messages = false;
    let push = core.build_mobile_push_sync_snapshot();
    assert!(!push.background_message_author_pubkeys.is_empty());
    let own_direct = core
        .protocol_engine
        .as_ref()
        .unwrap()
        .message_author_pubkeys_for_owner(owner.public_key());
    let relay_authors = core.subscribable_message_author_hexes();
    assert!(own_direct
        .iter()
        .all(|key| relay_authors.contains(&key.to_hex())));
    assert!(push
        .background_message_author_pubkeys
        .iter()
        .all(|key| push.message_author_pubkeys.contains(key)));
}

#[test]
fn mobile_push_group_members_have_disjoint_subscription_authors() {
    let mut farm = GroupScaleFarm::new(&[1, 1, 1]);
    farm.pump();
    let members = farm.owners[1..]
        .iter()
        .map(|owner| owner.public_key().to_hex())
        .collect::<Vec<_>>();
    farm.devices[0]
        .core
        .create_group("Private push group", &members);
    farm.pump();
    let group_id = farm.devices[0].core.groups.keys().next().unwrap().clone();
    let chat_id = group_chat_id(&group_id);
    let shared_author = farm.devices[0]
        .core
        .protocol_engine
        .as_ref()
        .unwrap()
        .group_sender_event_pubkeys_for_owner(farm.owners[0].public_key())[0]
        .to_hex();
    let mut member_authors = Vec::<HashSet<String>>::new();
    for (index, device) in farm.devices.iter_mut().enumerate() {
        device
            .core
            .handle_action(AppAction::SetMessageRequestAccepted {
                chat_id: chat_id.clone(),
            });
        let known_group_authors = device
            .core
            .protocol_engine
            .as_ref()
            .unwrap()
            .group_sender_event_pubkeys_for_group(&group_id);
        assert!(
            known_group_authors
                .iter()
                .any(|key| key.to_hex() == shared_author),
            "the fixture must expose the same group author to every member"
        );
        let peer = farm.owners[if index == 0 { 1 } else { 0 }].public_key();
        let group_transport_authors = device
            .core
            .protocol_engine
            .as_ref()
            .unwrap()
            .message_author_pubkeys_for_owner(peer);
        assert!(!group_transport_authors.is_empty());
        device.core.handle_action(AppAction::SetChatMuted {
            chat_id: peer.to_hex(),
            muted: true,
        });
        for mute_mode in 0..3 {
            if mute_mode == 1 {
                device.core.handle_action(AppAction::SetChatMuteUntil {
                    chat_id: chat_id.clone(),
                    until_secs: unix_now().get() + 3600,
                });
            } else if mute_mode == 2 {
                device.core.handle_action(AppAction::SetChatMuted {
                    chat_id: chat_id.clone(),
                    muted: true,
                });
            }
            let push = device.core.build_mobile_push_sync_snapshot();
            assert!(
                !push.message_author_pubkeys.is_empty(),
                "pairwise delivery must remain subscribed"
            );
            assert!(
                group_transport_authors
                    .iter()
                    .all(|key| push.message_author_pubkeys.contains(&key.to_hex())),
                "muting a DM must not stop private wakes for a joined group"
            );
            assert!(
                !push.invite_response_pubkeys.is_empty(),
                "own invite responses must remain subscribed"
            );
            let own_invites = push.invite_response_pubkeys.clone();
            let request = build_mobile_push_update_subscription_request(
                farm.owners[index].secret_key().to_secret_hex(),
                "existing".into(),
                "android".into(),
                format!("token-{index}"),
                None,
                push.message_author_pubkeys,
                push.background_message_author_pubkeys,
                push.invite_response_pubkeys,
                true,
                None,
                push.delayed_message_authors,
            )
            .unwrap();
            let wire = request.body_json.unwrap();
            for author in &known_group_authors {
                assert!(
                    !wire.contains(&author.to_hex()),
                    "shared group keys must never reach the notification service"
                );
            }
            for invite in own_invites {
                assert!(wire.contains(&invite));
            }
            let body: serde_json::Value = serde_json::from_str(&wire).unwrap();
            let authors = body["filters"]
                .as_array()
                .unwrap()
                .iter()
                .filter_map(|filter| filter["authors"].as_array())
                .flatten()
                .map(|value| value.as_str().unwrap().to_owned())
                .collect::<HashSet<_>>();
            if mute_mode == 0 {
                member_authors.push(authors);
            }
        }
        assert!(
            device
                .core
                .protocol_engine
                .as_ref()
                .unwrap()
                .known_group_sender_event_pubkeys()
                .iter()
                .any(|key| key.to_hex() == shared_author),
            "foreground group delivery must retain its shared channel"
        );
    }
    for (index, authors) in member_authors.iter().enumerate() {
        for other in &member_authors[index + 1..] {
            assert!(
                authors.is_disjoint(other),
                "authenticated subscriptions must not identify common group membership"
            );
        }
    }
}

#[test]
fn mobile_push_read_sync_dismisses_only_authenticated_read_messages() {
    let mut pair = chat_read_receipt_pair("push-read-dismiss");
    let peer = Keys::generate();
    let chat_id = peer.public_key().to_hex();
    let mut payloads = Vec::new();
    let mut events = Vec::new();
    let mut ids = Vec::new();
    for (text, timestamp) in [
        ("read", 200),
        ("older unread", 150),
        ("same second unread", 200),
        ("newer unread", 201),
    ] {
        let event = appcore_direct_message_event_for_test(
            pair.b.protocol_engine.as_mut().unwrap(),
            &peer,
            text,
            timestamp,
        );
        let (_, id) = runtime_rumor_json(
            peer.public_key(),
            CHAT_MESSAGE_KIND,
            text,
            timestamp,
            Vec::new(),
        );
        ids.push(id);
        payloads.push(serde_json::json!({"event": event, "iris_dismiss": true}).to_string());
        events.push(event);
    }
    let data_dir = pair._b_dir.path().to_string_lossy().to_string();
    let owner = pair.owner.public_key().to_hex();
    let device = pair.b_device.secret_key().to_secret_hex();
    let resolve = |payloads: Vec<String>| {
        read_mobile_push_notification_indexes(
            data_dir.clone(),
            owner.clone(),
            device.clone(),
            payloads,
        )
    };
    assert!(resolve(payloads.clone()).is_empty());
    // The read update can precede foreground message ingestion. Deliver the
    // actual encrypted sibling receipt through the background push entry point.
    chat_read_sync_incoming(&mut pair.a, &peer, &ids[0], 200);
    pair.a.mark_messages_seen(&chat_id, &[ids[0].clone()]);
    let receipts = pending_events_with_kind(&pair.a, MESSAGE_EVENT_KIND);
    assert!(!receipts.is_empty());
    let background = pair
        .b
        .build_mobile_push_sync_snapshot()
        .background_message_author_pubkeys;
    assert!(receipts
        .iter()
        .any(|event| background.contains(&event.pubkey.to_hex())));
    for receipt in receipts {
        pair.b
            .ingest_mobile_push_payload(&serde_json::json!({"event": receipt}).to_string());
    }
    assert_eq!(resolve(payloads.clone()), vec![0]);
    let mut forged = events[0].clone();
    forged.content.push_str("tampered");
    assert!(resolve(vec![
        serde_json::json!({"event": forged, "iris_dismiss": true}).to_string()
    ])
    .is_empty());
    assert!(read_mobile_push_notification_indexes(
        data_dir.clone(),
        Keys::generate().public_key().to_hex(),
        device.clone(),
        payloads.clone(),
    )
    .is_empty());
    for event in events {
        pair.b.handle_relay_event(event);
    }
    pair.b.persist_best_effort();
    assert_eq!(resolve(payloads), vec![0]);
    assert_eq!(pair.b.threads[&chat_id].unread_count, 3);
}

#[test]
fn mobile_push_read_sync_does_not_initialize_or_migrate_the_database() {
    let mut pair = chat_read_receipt_pair("push-read-no-migrations");
    let peer = Keys::generate();
    let event = appcore_direct_message_event_for_test(
        pair.b.protocol_engine.as_mut().unwrap(),
        &peer,
        "read",
        200,
    );
    let (_, id) = runtime_rumor_json(
        peer.public_key(),
        CHAT_MESSAGE_KIND,
        "read",
        200,
        Vec::new(),
    );
    chat_read_sync_incoming(&mut pair.b, &peer, &id, 200);
    pair.b
        .mark_messages_seen(&peer.public_key().to_hex(), &[id]);
    pair.b.persist_best_effort();
    let dir = pair._b_dir.path();
    let conn = rusqlite::Connection::open(dir.join("core.sqlite3")).unwrap();
    // An older schema marker makes a writable preview connection run migrations.
    // Cleanup must only read the existing data, including before message ingestion.
    conn.pragma_update(None, "user_version", 0).unwrap();
    assert_eq!(
        read_mobile_push_notification_indexes(
            dir.to_string_lossy().into_owned(),
            pair.owner.public_key().to_hex(),
            pair.b_device.secret_key().to_secret_hex(),
            vec![serde_json::json!({"event": event}).to_string()],
        ),
        vec![0]
    );
    let version: u32 = conn
        .pragma_query_value(None, "user_version", |row| row.get(0))
        .unwrap();
    assert_eq!(
        version, 0,
        "notification cleanup must never migrate the live database"
    );
}

#[test]
fn mobile_push_large_group_notification_cleanup_has_one_protocol_load_and_bounded_checkpoint_bytes()
{
    let mut pair = chat_read_receipt_pair("large-group-notification-work");
    let peers: Vec<_> = (0..100).map(|_| Keys::generate()).collect();
    pair.b.create_group(
        "Large group",
        &peers
            .iter()
            .map(|p| p.public_key().to_hex())
            .collect::<Vec<_>>(),
    );
    let mut payloads = Vec::new();
    let mut events = Vec::new();
    for (i, peer) in peers.iter().take(16).enumerate() {
        let body = format!("read notification {i}");
        let event = appcore_direct_message_event_for_test(
            pair.b.protocol_engine.as_mut().unwrap(),
            peer,
            &body,
            200,
        );
        let (_, id) =
            runtime_rumor_json(peer.public_key(), CHAT_MESSAGE_KIND, &body, 200, Vec::new());
        chat_read_sync_incoming(&mut pair.b, peer, &id, 200);
        pair.b
            .mark_messages_seen(&peer.public_key().to_hex(), &[id]);
        payloads.push(serde_json::json!({"event": event}).to_string());
        events.push(event);
    }
    pair.b.persist_best_effort();
    // Notification delivery can repeat or arrive out of order. The resolver must
    // preserve each index while sharing one read-only protocol preview.
    payloads.reverse();
    payloads.push(payloads[0].clone());
    let expected: Vec<u64> = (0..payloads.len() as u64).collect();
    let conn = rusqlite::Connection::open_with_flags(
        pair._b_dir.path().join("core.sqlite3"),
        rusqlite::OpenFlags::SQLITE_OPEN_READ_ONLY,
    )
    .unwrap();
    let checkpoint_storage = super::storage::SqliteStorageAdapter::new(
        Arc::new(std::sync::Mutex::new(conn)),
        pair.owner.public_key().to_hex(),
        pair.b_device.public_key().to_hex(),
    );
    let read_state = || {
        iris_chat_protocol::StorageAdapter::get(
            &checkpoint_storage,
            "appcore/protocol-engine-state-v1",
        )
        .unwrap()
        .unwrap()
    };
    let before = read_state();
    super::mobile_push::PREVIEW_WORK.with(|work| work.set((0, 0)));
    let started = std::time::Instant::now();
    let indexes = read_mobile_push_notification_indexes(
        pair._b_dir.path().to_string_lossy().into_owned(),
        pair.owner.public_key().to_hex(),
        pair.b_device.secret_key().to_secret_hex(),
        payloads,
    );
    let (loads, checkpoint_bytes) = super::mobile_push::PREVIEW_WORK.with(|work| work.get());
    eprintln!("large-group notification cleanup: {:?}, loads={loads}, checkpoint_bytes={checkpoint_bytes}, state_bytes={}", started.elapsed(), before.len());
    assert_eq!(indexes, expected);
    assert_eq!(
        read_state(),
        before,
        "preview must leave the durable ratchet untouched"
    );
    assert_eq!(
        loads, 1,
        "a notification batch must not reload all groups and sessions for each alert"
    );
    assert!(
        checkpoint_bytes < before.len() * 2,
        "read-only preview must not serialize the entire protocol state for each alert"
    );
    // A real receive must persist its ratchet and delivery journal immediately,
    // but must not rewrite the unrelated multi-megabyte group/fanout history.
    let storage = Arc::new(super::storage::SqliteStorageAdapter::new(
        pair.b.app_store.shared(),
        pair.owner.public_key().to_hex(),
        pair.b_device.public_key().to_hex(),
    ));
    let mut engine = ProtocolEngine::load_or_create_for_local_device(
        storage.clone(),
        pair.owner.public_key(),
        &pair.b_device,
    )
    .unwrap();
    let shared = pair.b.app_store.shared();
    let sqlite_written_pages = |shared: &iris_chat_protocol::SharedConnection| {
        let conn = shared.lock().unwrap();
        let mut current = 0;
        let mut highwater = 0;
        // The locked connection owns the handle throughout this read-only
        // SQLite counter query; both output pointers refer to live integers.
        let status = unsafe {
            rusqlite::ffi::sqlite3_db_status(
                conn.handle(),
                rusqlite::ffi::SQLITE_DBSTATUS_CACHE_WRITE,
                &mut current,
                &mut highwater,
                0,
            )
        };
        assert_eq!(status, rusqlite::ffi::SQLITE_OK);
        current as u64
    };
    let page_size: u64 = shared
        .lock()
        .unwrap()
        .pragma_query_value(None, "page_size", |r| r.get(0))
        .unwrap();
    let written_before = sqlite_written_pages(&shared);
    let received = engine
        .process_direct_message_event(&events[0])
        .unwrap()
        .expect("real foreground decryption");
    let written = (sqlite_written_pages(&shared) - written_before) * page_size;
    let after = read_state();
    let before_json: serde_json::Value = serde_json::from_str(&before).unwrap();
    let after_json: serde_json::Value = serde_json::from_str(&after).unwrap();
    let changed_fields: Vec<_> = before_json
        .as_object()
        .unwrap()
        .iter()
        .filter(|(key, value)| after_json.get(*key) != Some(*value))
        .map(|(key, _)| key.as_str())
        .collect();
    let changed_chunks = before
        .as_bytes()
        .chunks(4096)
        .zip(after.as_bytes().chunks(4096))
        .enumerate()
        .filter(|(_, (a, b))| a != b)
        .map(|(index, _)| index)
        .collect::<Vec<_>>();
    eprintln!(
        "large-group foreground receive: sqlite_page_bytes_written={written}, state_bytes={}, after_bytes={}, changed_fields={changed_fields:?}, changed_chunk_count={}, first_changed_chunks={:?}",
        before.len(), after.len(), changed_chunks.len(), &changed_chunks[..changed_chunks.len().min(8)]
    );
    assert!(
        written < before.len() as u64 / 4,
        "one receive must not rewrite unrelated large-group state"
    );
    drop(engine);
    let reopened = Arc::new(std::sync::Mutex::new(
        rusqlite::Connection::open(pair._b_dir.path().join("core.sqlite3")).unwrap(),
    ));
    let storage = Arc::new(super::storage::SqliteStorageAdapter::new(
        reopened.clone(),
        pair.owner.public_key().to_hex(),
        pair.b_device.public_key().to_hex(),
    ));
    let mut restarted = ProtocolEngine::load_or_create_for_local_device(
        storage.clone(),
        pair.owner.public_key(),
        &pair.b_device,
    )
    .unwrap();
    let recovered = restarted
        .retry_pending_protocol(iris_chat_protocol::NdrUnixSeconds(unix_now().0))
        .unwrap();
    assert!(
        recovered
            .direct_messages
            .iter()
            .any(|message| message.event_id == received.event_id
                && message.content == received.content),
        "this unacknowledged decrypted delivery must survive a fresh database connection"
    );
    let ids = std::collections::HashSet::from([received.event_id.expect("durable event id")]);
    let written_before = sqlite_written_pages(&reopened);
    restarted.ack_decrypted_delivery_ids(&ids).unwrap();
    let written = (sqlite_written_pages(&reopened) - written_before) * page_size;
    eprintln!("large-group delivery acknowledgement: sqlite_page_bytes_written={written}");
    assert!(
        written < before.len() as u64 / 4,
        "delivery acknowledgement must not rewrite unrelated large-group state"
    );
    drop(restarted);
    let mut restarted = ProtocolEngine::load_or_create_for_local_device(
        storage,
        pair.owner.public_key(),
        &pair.b_device,
    )
    .unwrap();
    assert!(
        restarted
            .retry_pending_protocol(iris_chat_protocol::NdrUnixSeconds(unix_now().0))
            .unwrap()
            .direct_messages
            .iter()
            .all(|message| !message.event_id.as_ref().is_some_and(|id| ids.contains(id))),
        "acknowledged delivery must stay acknowledged after restart"
    );
}