iris-chat 0.1.65

Iris Chat command line client and shared encrypted chat core
Documentation
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use super::*;

#[test]
fn private_block_event_is_durable_ordered_and_preserves_direct_history() {
    let owner = Keys::generate();
    let device = Keys::generate();
    let target = Keys::generate().public_key().to_hex();
    let (mut core, _, dir) = logged_in_test_core_with_updates("block-persist", &owner, &device);
    core.push_incoming_message_from(
        &target,
        Some("old".into()),
        "hello".into(),
        20,
        None,
        None,
        Some(target.clone()),
        None,
    );
    core.set_user_blocked(&target, true);
    let blocked = core.private_block_event(&target).unwrap();
    assert!(blocked.verify().is_ok());
    assert_eq!(
        serde_json::from_str::<serde_json::Value>(&blocked.content).unwrap()["deletedAt"],
        0
    );
    assert_eq!(core.threads[&target].messages[0].id, "old");
    assert!(core.is_owner_blocked(&target));
    core.set_user_blocked(&target, false);
    let unblocked = core.private_block_event(&target).unwrap();
    assert!(!core.is_owner_blocked(&target));
    assert!(core.apply_private_block_event(blocked));
    assert_eq!(core.private_block_event(&target).unwrap(), unblocked);
    assert!(!core.is_owner_blocked(&target));
    core.persist_best_effort_inner();
    drop(core);
    let mut restored =
        restart_block_history_core(&owner, &device, dir.path().to_string_lossy().into_owned());
    restored.restore_device_sync_record_projection().unwrap();
    assert!(!restored.is_owner_blocked(&target));
    assert_eq!(restored.threads[&target].messages[0].id, "old");
    assert!(!restored.chat_activity_is_deleted(&target, 20));
}

#[test]
fn private_block_control_requires_own_authorized_device_and_valid_event_hash() {
    let owner = Keys::generate();
    let a = Keys::generate();
    let b = Keys::generate();
    let stranger = Keys::generate();
    let target = Keys::generate().public_key().to_hex();
    let mut left = logged_in_test_core("block-left", &owner, &a);
    let mut right = logged_in_test_core("block-right", &owner, &b);
    configure_test_device_sync_profile(&mut left, &owner, &a, &b, None);
    right.app_keys = left.app_keys.clone();
    left.set_user_blocked(&target, true);
    let event = left.private_block_event(&target).unwrap();
    let body = serde_json::json!({"type":"private-block-state","v":1,"event":event}).to_string();
    assert!(right.receive_block_control(stranger.public_key(), Some(a.public_key()), &body));
    assert!(right.receive_block_control(owner.public_key(), Some(stranger.public_key()), &body));
    assert!(right.receive_block_control(owner.public_key(), Some(b.public_key()), &body));
    assert!(!right.is_owner_blocked(&target));
    let mut corrupt = event.clone();
    corrupt.content.push(' ');
    let corrupt =
        serde_json::json!({"type":"private-block-state","v":1,"event":corrupt}).to_string();
    assert!(right.receive_block_control(owner.public_key(), Some(a.public_key()), &corrupt));
    assert!(!right.is_owner_blocked(&target));
    assert!(right.receive_block_control(owner.public_key(), Some(a.public_key()), &body));
    assert!(right.is_owner_blocked(&target));
    let foreign = Keys::generate();
    let mut foreign_core = logged_in_test_core("block-foreign", &foreign, &Keys::generate());
    assert!(!foreign_core.apply_private_block_event(event));
}

#[test]
fn private_block_migration_never_overwrites_explicit_unblock() {
    let owner = Keys::generate();
    let target = Keys::generate().public_key().to_hex();
    let mut core = logged_in_test_core("block-migrate", &owner, &Keys::generate());
    core.preferences.blocked_owner_pubkeys.push(target.clone());
    core.migrate_legacy_blocks();
    let legacy = core.private_block_event(&target).unwrap();
    assert_eq!(block_sync::block_event_version(&legacy).unwrap().0, 0);
    core.set_user_blocked(&target, false);
    assert!(core.apply_private_block_event(legacy));
    assert!(!core.is_owner_blocked(&target));
}

#[test]
fn private_block_history_preserves_old_group_context_but_stops_new_history() {
    let owner = Keys::generate();
    let target = Keys::generate().public_key().to_hex();
    let mut core = logged_in_test_core("block-history", &owner, &Keys::generate());
    core.push_incoming_message_from(
        "group:shared",
        Some("old".into()),
        "old context".into(),
        20,
        None,
        None,
        Some(target.clone()),
        None,
    );
    core.set_user_blocked(&target, true);
    assert_eq!(core.threads["group:shared"].messages.len(), 1);
    assert!(core.block_allows_history("group:shared", &target, 20));
    assert!(!core.block_allows_history("group:shared", &target, unix_now().get()));
    assert!(core.block_allows_history(&target, &target, 20));
}

#[test]
fn private_block_offline_negentropy_sync_and_legacy_capability() {
    for supported in [false, true] {
        let owner = Keys::generate();
        let a = Keys::generate();
        let b = Keys::generate();
        let target = Keys::generate().public_key().to_hex();
        let mut left = logged_in_test_core("block-wire-left", &owner, &a);
        let mut right = logged_in_test_core("block-wire-right", &owner, &b);
        configure_test_device_sync_profile(&mut left, &owner, &a, &b, None);
        for roster in left.app_keys.values_mut() {
            roster
                .devices
                .sort_by(|a, b| a.identity_pubkey_hex.cmp(&b.identity_pubkey_hex));
        }
        right.app_keys = left.app_keys.clone();
        left.set_user_blocked(&target, true);
        let endpoint = Arc::new(
            left.runtime
                .block_on(
                    fips_core::FipsEndpoint::builder()
                        .without_system_tun()
                        .bind(),
                )
                .unwrap(),
        );
        let (left_tx, left_rx) = DeviceSyncTcpSender::test_channel(256, 64 * 1024);
        let (right_tx, right_rx) = DeviceSyncTcpSender::test_channel(256, 64 * 1024);
        left.install_device_sync_sender_for_test(
            endpoint.clone(),
            left_tx,
            vec![test_fips_peer(&b)],
        );
        right.install_device_sync_sender_for_test(
            endpoint.clone(),
            right_tx,
            vec![test_fips_peer(&a)],
        );
        let mut request =
            serde_json::json!({"type":"request","v":1,"rosterAt":100,"recordReconcile":1});
        if supported {
            request["privateEvents"] = 2.into();
        }
        let request = serde_json::to_vec(&request).unwrap();
        left.handle_device_sync_packet(&b.public_key().to_hex(), DEVICE_SYNC_PORT, &request);
        right.handle_device_sync_packet(&a.public_key().to_hex(), DEVICE_SYNC_PORT, &request);
        let mut trace = Vec::new();
        for _ in 0..2048 {
            let x = drain_history_wire(&mut left, &a, &mut right, &b, &left_rx, &mut trace);
            let y = drain_history_wire(&mut right, &b, &mut left, &a, &right_rx, &mut trace);
            if !x && !y {
                break;
            }
        }
        assert_eq!(
            right.is_owner_blocked(&target),
            supported,
            "wire: {trace:?}"
        );
        let sent_private = trace
            .iter()
            .any(|value| value.to_string().contains("privateBlock"));
        assert_eq!(sent_private, supported);
        if supported {
            right.set_user_blocked(&target, false);
            left.handle_device_sync_packet(&b.public_key().to_hex(), DEVICE_SYNC_PORT, &request);
            right.handle_device_sync_packet(&a.public_key().to_hex(), DEVICE_SYNC_PORT, &request);
            for _ in 0..2048 {
                let x = drain_history_wire(&mut left, &a, &mut right, &b, &left_rx, &mut trace);
                let y = drain_history_wire(&mut right, &b, &mut left, &a, &right_rx, &mut trace);
                if !x && !y {
                    break;
                }
            }
            assert!(
                !left.is_owner_blocked(&target),
                "offline unblock must reconcile"
            );
            assert_eq!(
                left.private_block_event(&target),
                right.private_block_event(&target)
            );
        }
        left.runtime.block_on(endpoint.shutdown()).unwrap();
    }
}

#[test]
fn private_block_drops_group_content_over_real_encrypted_transport() {
    let mut devices = sender_key_matrix_devices(2);
    let bob = devices[1].owner.public_key();
    let created = devices[0]
        .engine
        .create_group("Shared".into(), vec![bob], unix_now())
        .unwrap();
    let group = created.snapshot.unwrap();
    deliver_protocol_effects_to_engine(&mut devices[1].engine, &created.effects);
    for sender in 0..2 {
        let peer = devices[1 - sender].owner.public_key();
        let sent = devices[sender]
            .engine
            .send_direct_text(peer, "warmup", "hello", None, unix_now())
            .unwrap();
        deliver_protocol_effects_to_engine(&mut devices[1 - sender].engine, &sent.effects);
    }
    let chat = group_chat_id(&group.group_id);
    let mut dirs = Vec::new();
    let cores = devices
        .into_iter()
        .map(|device| {
            let (mut core, _, dir) =
                logged_in_test_core_with_updates("block-group", &device.owner, &device.device);
            dirs.push(dir);
            core.protocol_engine = Some(device.engine);
            core.apply_group_decrypted_event(GroupIncomingEvent::MetadataUpdated(group.clone()));
            core
        })
        .collect::<Vec<_>>();
    let mut cores: [AppCore; 2] = cores.try_into().ok().unwrap();
    cores[1].send_message(&chat, "Before block", None);
    deliver_group_reaction_test_events(&mut cores);
    let target = cores[0].threads[&chat]
        .messages
        .iter()
        .find(|m| m.body == "Before block")
        .unwrap()
        .id
        .clone();
    cores[0].set_user_blocked(&bob.to_hex(), true);
    cores[1].toggle_reaction(&chat, &target, "❤");
    cores[1].send_typing(&chat);
    cores[1].send_message(&chat, "After block", None);
    deliver_group_reaction_test_events(&mut cores);
    assert!(!cores[0].threads[&chat]
        .messages
        .iter()
        .any(|m| m.body == "After block"));
    let old = cores[0].threads[&chat]
        .messages
        .iter()
        .find(|m| m.id == target)
        .unwrap();
    assert_eq!(old.body, "Before block");
    assert!(old.reactions.is_empty());
    assert!(cores[0]
        .typing_indicators
        .values()
        .all(|value| value.chat_id != chat));
    assert!(cores[0].groups.contains_key(&group.group_id));
}

#[test]
fn private_block_current_sibling_can_forward_state_after_original_writer_removed() {
    let owner = Keys::generate();
    let original = Keys::generate();
    let current = Keys::generate();
    let fresh = Keys::generate();
    let target = Keys::generate().public_key().to_hex();
    let mut writer = logged_in_test_core("block-original", &owner, &original);
    writer.set_user_blocked(&target, true);
    let event = writer.private_block_event(&target).unwrap();
    let mut receiver = logged_in_test_core("block-fresh", &owner, &fresh);
    configure_test_device_sync_profile(&mut receiver, &owner, &fresh, &current, None);
    let body = serde_json::json!({"type":"private-block-state","v":1,"event":event}).to_string();
    assert!(receiver.receive_block_control(owner.public_key(), Some(original.public_key()), &body));
    assert!(!receiver.is_owner_blocked(&target));
    assert!(receiver.receive_block_control(owner.public_key(), Some(current.public_key()), &body));
    assert!(receiver.is_owner_blocked(&target));
}

pub(super) fn signed_block_transition(
    owner: &Keys,
    writer: &Keys,
    target: &str,
    revision: u64,
    at: u64,
    since: u64,
    blocked: bool,
) -> PrivateEvent {
    PrivateEvent::from_unsigned(
        EventBuilder::new(
            Kind::Custom(block_sync::BLOCK_CONTROL_KIND as u16),
            serde_json::json!({
                "v":1,"owner":owner.public_key().to_hex(),"target":target,"blocked":blocked,
                "revision":revision,"blockedSince":since,"deletedAt":since
            })
            .to_string(),
        )
        .tag(nostr::Tag::public_key(owner.public_key()))
        .tag(nostr::Tag::identifier(format!("iris:block:{target}")))
        .custom_created_at(Timestamp::from_secs(at))
        .allow_self_tagging()
        .build(writer.public_key()),
    )
}

#[test]
fn private_block_intervals_survive_multiple_cycles_late_unblock_and_device_restart() {
    let owner = Keys::generate();
    let device = Keys::generate();
    let target = Keys::generate().public_key().to_hex();
    let (mut core, _, dir) = logged_in_test_core_with_updates("block-intervals", &owner, &device);
    let events = [
        signed_block_transition(&owner, &device, &target, 1, 100, 100, true),
        signed_block_transition(&owner, &device, &target, 2, 200, 100, false),
        signed_block_transition(&owner, &device, &target, 3, 300, 300, true),
        signed_block_transition(&owner, &device, &target, 4, 400, 300, false),
    ];
    // Live latest unblock alone attests its preceding block interval.
    assert!(core.apply_private_block_event(events[3].clone()));
    assert!(!core.block_allows_history("group:shared", &target, 350));
    assert!(!core.is_owner_blocked(&target));
    for index in [1, 0, 2, 1] {
        assert!(core.apply_private_block_event(events[index].clone()));
    }
    for (created, allowed) in [
        (50, true),
        (100, false),
        (150, false),
        (200, true),
        (250, true),
        (300, false),
        (350, false),
        (400, true),
        (450, true),
    ] {
        assert_eq!(
            core.block_allows_history("group:shared", &target, created),
            allowed,
            "at={created}"
        );
    }
    assert!(
        !core.is_owner_blocked(&target),
        "stale transitions cannot override the latest unblock"
    );
    let shared = core.app_store.shared();
    let json =
        storage::blocked_message_intervals(&shared.lock().unwrap(), &owner.public_key().to_hex())
            .unwrap();
    let intervals: serde_json::Value = serde_json::from_str(&json).unwrap();
    assert_eq!(
        intervals,
        serde_json::json!([
            {"author":target,"since":100,"until":200},
            {"author":target,"since":300,"until":400}
        ])
    );
    core.persist_best_effort_inner();
    drop(core);
    let mut restored = logged_in_test_core_at_data_dir(
        &owner,
        &Keys::generate(),
        dir.path().to_string_lossy().into_owned(),
    );
    restored.restore_device_sync_record_projection().unwrap();
    for (created, allowed) in [
        (50, true),
        (150, false),
        (250, true),
        (350, false),
        (450, true),
    ] {
        assert_eq!(
            restored.block_allows_history("group:shared", &target, created),
            allowed
        );
    }
    assert_eq!(
        restored.private_block_event(&target),
        Some(events[3].clone())
    );
}

#[test]
fn private_block_negentropy_repairs_intervals_before_lagging_sibling_history() {
    let owner = Keys::generate();
    let a = Keys::generate();
    let b = Keys::generate();
    let target = Keys::generate().public_key().to_hex();
    let mut left = logged_in_test_core("block-gap-left", &owner, &a);
    let mut right = logged_in_test_core("block-gap-right", &owner, &b);
    configure_test_device_sync_profile(&mut left, &owner, &a, &b, None);
    for roster in left.app_keys.values_mut() {
        roster
            .devices
            .sort_by(|a, b| a.identity_pubkey_hex.cmp(&b.identity_pubkey_hex));
    }
    right.app_keys = left.app_keys.clone();
    let base = unix_now().get() - 1000;
    for (revision, at, since, blocked) in [
        (1, 100, 100, true),
        (2, 200, 100, false),
        (3, 300, 300, true),
        (4, 400, 300, false),
    ] {
        assert!(left.apply_private_block_event(signed_block_transition(
            &owner,
            &a,
            &target,
            revision,
            base + at,
            base + since,
            blocked
        )));
    }
    // This sibling missed both blocked intervals and retained every group post.
    for offset in [50, 150, 250, 350, 450] {
        right.push_incoming_message_from(
            "group:shared",
            Some(format!("at-{offset}")),
            "group post".into(),
            base + offset,
            None,
            None,
            Some(target.clone()),
            None,
        );
    }
    right.persist_best_effort_inner();
    let endpoint = Arc::new(
        left.runtime
            .block_on(
                fips_core::FipsEndpoint::builder()
                    .without_system_tun()
                    .bind(),
            )
            .unwrap(),
    );
    let (left_tx, left_rx) = DeviceSyncTcpSender::test_channel(256, 64 * 1024);
    let (right_tx, right_rx) = DeviceSyncTcpSender::test_channel(256, 64 * 1024);
    left.install_device_sync_sender_for_test(endpoint.clone(), left_tx, vec![test_fips_peer(&b)]);
    right.install_device_sync_sender_for_test(endpoint.clone(), right_tx, vec![test_fips_peer(&a)]);
    let request = serde_json::to_vec(&serde_json::json!({"type":"request","v":1,"rosterAt":100,"recordReconcile":1,"privateEvents":2})).unwrap();
    left.handle_device_sync_packet(&b.public_key().to_hex(), DEVICE_SYNC_PORT, &request);
    right.handle_device_sync_packet(&a.public_key().to_hex(), DEVICE_SYNC_PORT, &request);
    let mut trace = Vec::new();
    for _ in 0..2048 {
        let x = drain_history_wire(&mut left, &a, &mut right, &b, &left_rx, &mut trace);
        let y = drain_history_wire(&mut right, &b, &mut left, &a, &right_rx, &mut trace);
        if !x && !y {
            break;
        }
    }
    for offset in [50, 150, 250, 350, 450] {
        assert_eq!(
            has_device_sync_message(&left, "group:shared", &format!("at-{offset}")),
            ![150, 350].contains(&offset),
            "at={offset}; wire={trace:?}"
        );
    }
    assert!(!left.is_owner_blocked(&target));
    assert!(!right.is_owner_blocked(&target));
    assert!(!right.block_allows_history("group:shared", &target, base + 150));
    assert!(right.block_allows_history("group:shared", &target, base + 250));
    left.runtime.block_on(endpoint.shutdown()).unwrap();
}