795 lines
27 KiB
Rust
795 lines
27 KiB
Rust
use std::cell::Cell;
|
|
use std::collections::{HashMap, HashSet};
|
|
use std::rc::Rc;
|
|
use std::time::Duration;
|
|
|
|
use anyhow::{Context as AnyhowContext, Error, anyhow};
|
|
use gpui::{
|
|
App, AppContext, Context, Entity, EventEmitter, Global, IntoElement, ParentElement,
|
|
SharedString, Styled, Subscription, Task, Window, div, relative,
|
|
};
|
|
use nostr_sdk::prelude::*;
|
|
use person::PersonRegistry;
|
|
use state::{
|
|
Announcement, DEVICE_GIFTWRAP, DeviceState, NostrRegistry, StateEvent, TIMEOUT, app_name,
|
|
};
|
|
use theme::ActiveTheme;
|
|
use ui::avatar::Avatar;
|
|
use ui::button::{Button, ButtonVariants};
|
|
use ui::notification::Notification;
|
|
use ui::{Disableable, IconName, Sizable, WindowExtension, h_flex, v_flex};
|
|
|
|
const IDENTIFIER: &str = "coop:device";
|
|
const MSG: &str = "You've requested an encryption key from another device. \
|
|
Approve to allow Coop to share with it.";
|
|
|
|
pub fn init(window: &mut Window, cx: &mut App) {
|
|
DeviceRegistry::set_global(cx.new(|cx| DeviceRegistry::new(window, cx)), cx);
|
|
}
|
|
|
|
struct GlobalDeviceRegistry(Entity<DeviceRegistry>);
|
|
|
|
impl Global for GlobalDeviceRegistry {}
|
|
|
|
/// Device event.
|
|
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
|
|
pub enum DeviceEvent {
|
|
/// A new encryption signer has been set
|
|
Set,
|
|
/// An error occurred
|
|
Error(SharedString),
|
|
}
|
|
|
|
/// Device Registry
|
|
///
|
|
/// NIP-4e: https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md
|
|
#[derive(Debug)]
|
|
pub struct DeviceRegistry {
|
|
/// Device state
|
|
state: DeviceState,
|
|
|
|
/// Async tasks
|
|
tasks: Vec<Task<Result<(), Error>>>,
|
|
|
|
/// Event subscription
|
|
_subscription: Option<Subscription>,
|
|
}
|
|
|
|
impl EventEmitter<DeviceEvent> for DeviceRegistry {}
|
|
|
|
impl DeviceRegistry {
|
|
/// Retrieve the global device registry state
|
|
pub fn global(cx: &App) -> Entity<Self> {
|
|
cx.global::<GlobalDeviceRegistry>().0.clone()
|
|
}
|
|
|
|
/// Set the global device registry instance
|
|
fn set_global(state: Entity<Self>, cx: &mut App) {
|
|
cx.set_global(GlobalDeviceRegistry(state));
|
|
}
|
|
|
|
/// Create a new device registry instance
|
|
fn new(window: &mut Window, cx: &mut Context<Self>) -> Self {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let state = DeviceState::default();
|
|
|
|
let subscription =
|
|
Some(
|
|
cx.subscribe_in(&nostr, window, |this, _state, ev, _window, cx| {
|
|
if let StateEvent::SignerSet = ev {
|
|
this.get_announcement(cx);
|
|
}
|
|
}),
|
|
);
|
|
|
|
cx.defer_in(window, |this, window, cx| {
|
|
this.handle_notifications(window, cx);
|
|
});
|
|
|
|
Self {
|
|
state,
|
|
tasks: vec![],
|
|
_subscription: subscription,
|
|
}
|
|
}
|
|
|
|
fn handle_notifications(&mut self, window: &mut Window, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
let (tx, rx) = flume::bounded::<Event>(100);
|
|
|
|
self.tasks.push(cx.background_spawn(async move {
|
|
let mut notifications = client.notifications();
|
|
let mut processed_events = HashSet::new();
|
|
|
|
while let Some(notification) = notifications.next().await {
|
|
if let ClientNotification::Message {
|
|
message: RelayMessage::Event { event, .. },
|
|
..
|
|
} = notification
|
|
{
|
|
if !processed_events.insert(event.id) {
|
|
// Skip if the event has already been processed
|
|
continue;
|
|
}
|
|
|
|
match event.kind {
|
|
Kind::Custom(4454) => {
|
|
if verify_author(&client, event.as_ref()).await {
|
|
tx.send_async(event.into_owned()).await?;
|
|
}
|
|
}
|
|
Kind::Custom(4455) => {
|
|
if verify_author(&client, event.as_ref()).await {
|
|
tx.send_async(event.into_owned()).await?;
|
|
}
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}));
|
|
|
|
self.tasks.push(cx.spawn_in(window, async move |this, cx| {
|
|
while let Ok(event) = rx.recv_async().await {
|
|
match event.kind {
|
|
// New request event
|
|
Kind::Custom(4454) => {
|
|
this.update_in(cx, |this, window, cx| {
|
|
this.ask_for_approval(event, window, cx);
|
|
})?;
|
|
}
|
|
// New response event
|
|
Kind::Custom(4455) => {
|
|
this.update(cx, |this, cx| {
|
|
this.extract_encryption(event, cx);
|
|
})?;
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Get the device state
|
|
pub fn state(&self) -> DeviceState {
|
|
self.state.clone()
|
|
}
|
|
|
|
/// Set the device state
|
|
fn set_state(&mut self, state: DeviceState, cx: &mut Context<Self>) {
|
|
self.state = state;
|
|
cx.notify();
|
|
}
|
|
|
|
/// Set the decoupled encryption key for the current user
|
|
pub fn set_signer<S>(&mut self, new: S, cx: &mut Context<Self>)
|
|
where
|
|
S: NostrSigner + 'static,
|
|
{
|
|
let nostr = NostrRegistry::global(cx);
|
|
let signer = nostr.read(cx).signer();
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
signer.set_encryption_signer(new).await;
|
|
|
|
// Update state
|
|
this.update(cx, |this, cx| {
|
|
this.set_state(DeviceState::Set, cx);
|
|
this.get_messages(cx);
|
|
})?;
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Reset the device state
|
|
fn reset(&mut self, cx: &mut Context<Self>) {
|
|
self.state = DeviceState::Idle;
|
|
cx.notify();
|
|
}
|
|
|
|
/// Get all messages for encryption keys
|
|
fn get_messages(&mut self, cx: &mut Context<Self>) {
|
|
let task = self.subscribe_to_giftwrap_events(cx);
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
if let Err(e) = task.await {
|
|
this.update(cx, |_this, cx| {
|
|
cx.emit(DeviceEvent::Error(SharedString::from(e.to_string())));
|
|
})?;
|
|
}
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Get the messaging relays for the current user
|
|
fn get_user_messaging_relays(&self, cx: &App) -> Task<Result<Vec<RelayUrl>, Error>> {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
let signer = nostr.read(cx).signer();
|
|
|
|
cx.background_spawn(async move {
|
|
let public_key = signer.get_public_key().await?;
|
|
let filter = Filter::new()
|
|
.kind(Kind::InboxRelays)
|
|
.author(public_key)
|
|
.limit(1);
|
|
|
|
if let Some(event) = client.database().query(filter).await?.first_owned() {
|
|
// Extract relay URLs from the event
|
|
let urls: Vec<RelayUrl> = nip17::extract_owned_relay_list(event).collect();
|
|
|
|
// Ensure all relays are connected
|
|
for url in urls.iter() {
|
|
client.add_relay(url).and_connect().await?;
|
|
}
|
|
|
|
Ok(urls)
|
|
} else {
|
|
Err(anyhow!("Relays not found"))
|
|
}
|
|
})
|
|
}
|
|
|
|
/// Continuously get gift wrap events for the current user in their messaging relays
|
|
fn subscribe_to_giftwrap_events(&self, cx: &App) -> Task<Result<(), Error>> {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
let signer = nostr.read(cx).signer();
|
|
let urls = self.get_user_messaging_relays(cx);
|
|
|
|
cx.background_spawn(async move {
|
|
let urls = urls.await?;
|
|
let encryption = signer.get_encryption_signer().await.context("not found")?;
|
|
let public_key = encryption.get_public_key().await?;
|
|
|
|
let filter = Filter::new().kind(Kind::GiftWrap).pubkey(public_key);
|
|
let id = SubscriptionId::new(DEVICE_GIFTWRAP);
|
|
|
|
// Construct target for subscription
|
|
let target: HashMap<RelayUrl, Filter> = urls
|
|
.into_iter()
|
|
.map(|relay| (relay, filter.clone()))
|
|
.collect();
|
|
|
|
// Subscribe
|
|
client.subscribe(target).with_id(id).await?;
|
|
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
/// Get device announcement for current user
|
|
pub fn get_announcement(&mut self, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
|
|
// Reset state before fetching announcement
|
|
self.reset(cx);
|
|
|
|
let task: Task<Result<Event, Error>> = cx.background_spawn(async move {
|
|
let signer = client.signer().context("Signer not found")?;
|
|
let public_key = signer.get_public_key().await?;
|
|
|
|
// Construct the filter for the device announcement event
|
|
let filter = Filter::new()
|
|
.kind(Kind::Custom(10044))
|
|
.author(public_key)
|
|
.limit(1);
|
|
|
|
// Stream events from user's write relays
|
|
let mut stream = client
|
|
.stream_events(filter)
|
|
.timeout(Duration::from_secs(TIMEOUT))
|
|
.await?;
|
|
|
|
while let Some((_url, res)) = stream.next().await {
|
|
if let Ok(event) = res {
|
|
return Ok(event);
|
|
}
|
|
}
|
|
|
|
Err(anyhow!("Announcement not found"))
|
|
});
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
match task.await {
|
|
Ok(event) => {
|
|
this.update(cx, |this, cx| {
|
|
this.new_signer(&event, cx);
|
|
})?;
|
|
}
|
|
Err(_) => {
|
|
this.update(cx, |this, cx| {
|
|
this.announce(cx);
|
|
})?;
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Create new encryption keys
|
|
pub fn create_encryption(&self, cx: &App) -> Task<Result<Keys, Error>> {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
|
|
let keys = Keys::generate();
|
|
let secret = keys.secret_key().to_secret_hex();
|
|
let n = keys.public_key();
|
|
|
|
cx.background_spawn(async move {
|
|
// Construct an announcement event
|
|
let event = client
|
|
.sign_event_builder(EventBuilder::new(Kind::Custom(10044), "").tags(vec![
|
|
Tag::custom(TagKind::custom("n"), vec![n]),
|
|
Tag::client(app_name()),
|
|
]))
|
|
.await?;
|
|
|
|
// Publish announcement
|
|
client.send_event(&event).to_nip65().await?;
|
|
|
|
// Save device keys to the database
|
|
set_keys(&client, &secret).await?;
|
|
|
|
Ok(keys)
|
|
})
|
|
}
|
|
|
|
/// Create a new device signer and announce it
|
|
fn announce(&mut self, cx: &mut Context<Self>) {
|
|
let task = self.create_encryption(cx);
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
let keys = task.await?;
|
|
|
|
// Update signer
|
|
this.update(cx, |this, cx| {
|
|
this.set_signer(keys, cx);
|
|
this.listen_request(cx);
|
|
})?;
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Initialize device signer (decoupled encryption key) for the current user
|
|
pub fn new_signer(&mut self, event: &Event, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
|
|
let announcement = Announcement::from(event);
|
|
let device_pubkey = announcement.public_key();
|
|
|
|
let task: Task<Result<Keys, Error>> = cx.background_spawn(async move {
|
|
if let Ok(keys) = get_keys(&client).await {
|
|
if keys.public_key() != device_pubkey {
|
|
return Err(anyhow!("Key mismatch"));
|
|
};
|
|
|
|
Ok(keys)
|
|
} else {
|
|
Err(anyhow!("Key not found"))
|
|
}
|
|
});
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
match task.await {
|
|
Ok(keys) => {
|
|
this.update(cx, |this, cx| {
|
|
this.set_signer(keys, cx);
|
|
this.listen_request(cx);
|
|
})?;
|
|
}
|
|
Err(e) => {
|
|
log::warn!("Failed to initialize device signer: {e}");
|
|
this.update(cx, |this, cx| {
|
|
this.request(cx);
|
|
this.listen_approval(cx);
|
|
})?;
|
|
}
|
|
};
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Listen for device key requests on user's write relays
|
|
pub fn listen_request(&mut self, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
let signer = nostr.read(cx).signer();
|
|
|
|
let Some(public_key) = signer.public_key() else {
|
|
return;
|
|
};
|
|
|
|
let task: Task<Result<(), Error>> = cx.background_spawn(async move {
|
|
// Construct a filter for device key requests
|
|
let filter = Filter::new()
|
|
.kind(Kind::Custom(4454))
|
|
.author(public_key)
|
|
.since(Timestamp::now());
|
|
|
|
// Subscribe to the device key requests on user's write relays
|
|
client.subscribe(filter).await?;
|
|
|
|
Ok(())
|
|
});
|
|
|
|
task.detach();
|
|
}
|
|
|
|
/// Listen for device key approvals on user's write relays
|
|
fn listen_approval(&mut self, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
let signer = nostr.read(cx).signer();
|
|
|
|
let Some(public_key) = signer.public_key() else {
|
|
return;
|
|
};
|
|
|
|
self.tasks.push(cx.background_spawn(async move {
|
|
// Construct a filter for device key requests
|
|
let filter = Filter::new()
|
|
.kind(Kind::Custom(4455))
|
|
.author(public_key)
|
|
.since(Timestamp::now());
|
|
|
|
// Subscribe to the device key requests on user's write relays
|
|
client.subscribe(filter).await?;
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Request encryption keys from other device
|
|
fn request(&mut self, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
let signer = nostr.read(cx).signer();
|
|
|
|
let app_keys = nostr.read(cx).keys();
|
|
let app_pubkey = app_keys.public_key();
|
|
|
|
let task: Task<Result<Option<Keys>, Error>> = cx.background_spawn(async move {
|
|
let public_key = signer.get_public_key().await?;
|
|
|
|
let filter = Filter::new()
|
|
.kind(Kind::Custom(4455))
|
|
.author(public_key)
|
|
.pubkey(app_pubkey)
|
|
.limit(1);
|
|
|
|
match client.database().query(filter).await?.first_owned() {
|
|
Some(event) => {
|
|
let root_device = event
|
|
.tags
|
|
.find(TagKind::custom("P"))
|
|
.and_then(|tag| tag.content())
|
|
.and_then(|content| PublicKey::parse(content).ok())
|
|
.context("Invalid event's tags")?;
|
|
|
|
let payload = event.content.as_str();
|
|
let decrypted = app_keys.nip44_decrypt(&root_device, payload).await?;
|
|
|
|
let secret = SecretKey::from_hex(&decrypted)?;
|
|
let keys = Keys::new(secret);
|
|
|
|
Ok(Some(keys))
|
|
}
|
|
None => {
|
|
// Construct an event for device key request
|
|
let event = client
|
|
.sign_event_builder(EventBuilder::new(Kind::Custom(4454), "").tags(vec![
|
|
Tag::client(app_name()),
|
|
Tag::custom(TagKind::custom("P"), vec![app_pubkey]),
|
|
]))
|
|
.await?;
|
|
|
|
// Send the event to write relays
|
|
client.send_event(&event).to_nip65().await?;
|
|
|
|
Ok(None)
|
|
}
|
|
}
|
|
});
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
match task.await {
|
|
Ok(Some(keys)) => {
|
|
this.update(cx, |this, cx| {
|
|
this.set_signer(keys, cx);
|
|
})?;
|
|
}
|
|
Ok(None) => {
|
|
this.update(cx, |this, cx| {
|
|
this.set_state(DeviceState::Requesting, cx);
|
|
})?;
|
|
}
|
|
Err(e) => {
|
|
log::error!("Failed to request the encryption key: {e}");
|
|
}
|
|
};
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Parse the response event for device keys from other devices
|
|
fn extract_encryption(&mut self, event: Event, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let app_keys = nostr.read(cx).keys();
|
|
|
|
let task: Task<Result<Keys, Error>> = cx.background_spawn(async move {
|
|
let root_device = event
|
|
.tags
|
|
.find(TagKind::custom("P"))
|
|
.and_then(|tag| tag.content())
|
|
.and_then(|content| PublicKey::parse(content).ok())
|
|
.context("Invalid event's tags")?;
|
|
|
|
let payload = event.content.as_str();
|
|
let decrypted = app_keys.nip44_decrypt(&root_device, payload).await?;
|
|
|
|
let secret = SecretKey::from_hex(&decrypted)?;
|
|
let keys = Keys::new(secret);
|
|
|
|
Ok(keys)
|
|
});
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
let keys = task.await?;
|
|
|
|
// Update signer
|
|
this.update(cx, |this, cx| {
|
|
this.set_signer(keys, cx);
|
|
})?;
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Approve requests for device keys from other devices
|
|
fn approve(&mut self, event: &Event, window: &mut Window, cx: &mut Context<Self>) {
|
|
let nostr = NostrRegistry::global(cx);
|
|
let client = nostr.read(cx).client();
|
|
let signer = nostr.read(cx).signer();
|
|
|
|
// Get user's write relays
|
|
let event = event.clone();
|
|
let id: SharedString = event.id.to_hex().into();
|
|
|
|
let task: Task<Result<(), Error>> = cx.background_spawn(async move {
|
|
// Get device keys
|
|
let keys = get_keys(&client).await?;
|
|
let secret = keys.secret_key().to_secret_hex();
|
|
|
|
// Extract the target public key from the event tags
|
|
let target = event
|
|
.tags
|
|
.find(TagKind::custom("P"))
|
|
.and_then(|tag| tag.content())
|
|
.and_then(|content| PublicKey::parse(content).ok())
|
|
.context("Target is not a valid public key")?;
|
|
|
|
// Encrypt the device keys with the user's signer
|
|
let payload = signer.nip44_encrypt(&target, &secret).await?;
|
|
|
|
// Construct the response event
|
|
//
|
|
// P tag: the current device's public key
|
|
// p tag: the requester's public key
|
|
let builder = EventBuilder::new(Kind::Custom(4455), payload).tags(vec![
|
|
Tag::custom(TagKind::custom("P"), vec![keys.public_key()]),
|
|
Tag::public_key(target),
|
|
]);
|
|
|
|
// Sign the builder
|
|
let event = client.sign_event_builder(builder).await?;
|
|
|
|
// Send the response event to the user's relay list
|
|
client.send_event(&event).to_nip65().await?;
|
|
|
|
Ok(())
|
|
});
|
|
|
|
cx.spawn_in(window, async move |_this, cx| {
|
|
match task.await {
|
|
Ok(_) => {
|
|
cx.update(|window, cx| {
|
|
window.clear_notification_by_id::<DeviceNotification>(id, cx);
|
|
})
|
|
.ok();
|
|
}
|
|
Err(e) => {
|
|
cx.update(|window, cx| {
|
|
window.push_notification(
|
|
Notification::error(e.to_string()).autohide(false),
|
|
cx,
|
|
);
|
|
})
|
|
.ok();
|
|
}
|
|
};
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
/// Handle encryption request
|
|
fn ask_for_approval(&mut self, event: Event, window: &mut Window, cx: &mut Context<Self>) {
|
|
let notification = self.notification(event, cx);
|
|
|
|
cx.spawn_in(window, async move |_this, cx| {
|
|
cx.update(|window, cx| {
|
|
window.push_notification(notification, cx);
|
|
})
|
|
.ok();
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
/// Build a notification for the encryption request.
|
|
fn notification(&self, event: Event, cx: &Context<Self>) -> Notification {
|
|
let request = Announcement::from(&event);
|
|
let persons = PersonRegistry::global(cx);
|
|
let profile = persons.read(cx).get(&request.public_key(), cx);
|
|
|
|
let entity = cx.entity().downgrade();
|
|
let loading = Rc::new(Cell::new(false));
|
|
let key = SharedString::from(event.id.to_hex());
|
|
|
|
Notification::new()
|
|
.type_id::<DeviceNotification>(key)
|
|
.autohide(false)
|
|
.icon(IconName::UserKey)
|
|
.title(SharedString::from("New request"))
|
|
.content(move |_this, _window, cx| {
|
|
v_flex()
|
|
.gap_2()
|
|
.text_sm()
|
|
.child(
|
|
div()
|
|
.text_sm()
|
|
.line_height(relative(1.25))
|
|
.child(SharedString::from(MSG)),
|
|
)
|
|
.child(
|
|
v_flex()
|
|
.gap_2()
|
|
.child(
|
|
v_flex()
|
|
.gap_1()
|
|
.text_sm()
|
|
.child(
|
|
div()
|
|
.text_xs()
|
|
.text_color(cx.theme().text_muted)
|
|
.child(SharedString::from("Requester:")),
|
|
)
|
|
.child(
|
|
div()
|
|
.h_7()
|
|
.w_full()
|
|
.px_2()
|
|
.rounded(cx.theme().radius)
|
|
.bg(cx.theme().elevated_surface_background)
|
|
.child(
|
|
h_flex()
|
|
.gap_2()
|
|
.child(Avatar::new(profile.avatar()).xsmall())
|
|
.child(profile.name()),
|
|
),
|
|
),
|
|
)
|
|
.child(
|
|
v_flex()
|
|
.gap_1()
|
|
.text_sm()
|
|
.child(
|
|
div()
|
|
.text_xs()
|
|
.text_color(cx.theme().text_muted)
|
|
.child(SharedString::from("Client:")),
|
|
)
|
|
.child(
|
|
div()
|
|
.h_7()
|
|
.w_full()
|
|
.px_2()
|
|
.rounded(cx.theme().radius)
|
|
.bg(cx.theme().elevated_surface_background)
|
|
.child(request.client_name()),
|
|
),
|
|
),
|
|
)
|
|
.into_any_element()
|
|
})
|
|
.action(move |_this, _window, _cx| {
|
|
let view = entity.clone();
|
|
let event = event.clone();
|
|
|
|
Button::new("approve")
|
|
.label("Approve")
|
|
.small()
|
|
.primary()
|
|
.loading(loading.get())
|
|
.disabled(loading.get())
|
|
.on_click({
|
|
let loading = Rc::clone(&loading);
|
|
move |_ev, window, cx| {
|
|
// Set loading state to true
|
|
loading.set(true);
|
|
// Process to approve the request
|
|
view.update(cx, |this, cx| {
|
|
this.approve(&event, window, cx);
|
|
})
|
|
.ok();
|
|
}
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
struct DeviceNotification;
|
|
|
|
/// Verify the author of an event
|
|
async fn verify_author(client: &Client, event: &Event) -> bool {
|
|
if let Some(signer) = client.signer()
|
|
&& let Ok(public_key) = signer.get_public_key().await
|
|
{
|
|
return public_key == event.pubkey;
|
|
}
|
|
false
|
|
}
|
|
|
|
/// Encrypt and store device keys in the local database.
|
|
async fn set_keys(client: &Client, secret: &str) -> Result<(), Error> {
|
|
let signer = client.signer().context("Signer not found")?;
|
|
let public_key = signer.get_public_key().await?;
|
|
|
|
// Encrypt the value
|
|
let content = signer.nip44_encrypt(&public_key, secret).await?;
|
|
|
|
// Construct the application data event
|
|
let event = EventBuilder::new(Kind::ApplicationSpecificData, content)
|
|
.tag(Tag::identifier(IDENTIFIER))
|
|
.build(public_key)
|
|
.sign(&Keys::generate())
|
|
.await?;
|
|
|
|
// Save the event to the database
|
|
client.database().save_event(&event).await?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Get device keys from the local database.
|
|
async fn get_keys(client: &Client) -> Result<Keys, Error> {
|
|
let signer = client.signer().context("Signer not found")?;
|
|
let public_key = signer.get_public_key().await?;
|
|
|
|
let filter = Filter::new()
|
|
.kind(Kind::ApplicationSpecificData)
|
|
.identifier(IDENTIFIER)
|
|
.author(public_key);
|
|
|
|
if let Some(event) = client.database().query(filter).await?.first() {
|
|
let content = signer.nip44_decrypt(&public_key, &event.content).await?;
|
|
let secret = SecretKey::parse(&content)?;
|
|
let keys = Keys::new(secret);
|
|
|
|
Ok(keys)
|
|
} else {
|
|
Err(anyhow!("Key not found"))
|
|
}
|
|
}
|