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chore: fix nip4e implementation (#196)

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* push

* debug

* disable verify sender

* .
This commit is contained in:
reya
2025-10-28 20:35:34 +07:00
committed by GitHub
parent b9297d3a01
commit b0fa98831d
4 changed files with 114 additions and 111 deletions
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1
crates/states/src/constants.rs
View File

@@ -4,6 +4,7 @@ pub const APP_PUBKEY: &str = "dW50cnVzdGVkIGNvbW1lbnQ6IG1pbmlzaWduIHB1YmxpYyBrZX
pub const APP_UPDATER_ENDPOINT: &str = "https://coop-updater.reya.su/";
pub const SETTINGS_IDENTIFIER: &str = "coop:settings";
pub const INBOX_SUB_ID: &str = "inbox";
/// Bootstrap Relays.
pub const BOOTSTRAP_RELAYS: [&str; 5] = [

102
crates/states/src/state/mod.rs
View File

@@ -10,13 +10,13 @@ use nostr_lmdb::NostrLMDB;
use nostr_sdk::prelude::*;
use smol::lock::RwLock;
use crate::app_name;
use crate::constants::{
BOOTSTRAP_RELAYS, METADATA_BATCH_LIMIT, METADATA_BATCH_TIMEOUT, QUERY_TIMEOUT, SEARCH_RELAYS,
};
use crate::paths::config_dir;
use crate::state::ingester::Ingester;
use crate::state::tracker::EventTracker;
use crate::{app_name, INBOX_SUB_ID};
mod device;
mod ingester;
@@ -345,7 +345,7 @@ impl AppState {
}
}
RelayMessage::EndOfStoredEvents(subscription_id) => {
if subscription_id.as_ref() == &SubscriptionId::new("inbox") {
if subscription_id.as_ref() == &SubscriptionId::new(INBOX_SUB_ID) {
self.signal
.send(SignalKind::GiftWrapStatus(UnwrappingStatus::Processing))
.await;
@@ -687,8 +687,8 @@ impl AppState {
// Send the announcement event to the relays
self.client.send_event(&event).await?;
// Re-subscribes to gift wrap events
self.resubscribe_messages().await?;
// Resubscribe to gift wrap events that include the encryption public key
self.get_messages_with_encryption(public_key).await?;
Ok(())
}
@@ -698,14 +698,16 @@ impl AppState {
/// NIP-4e: https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md
pub async fn load_encryption_keys(&self, announcement: &Announcement) -> Result<(), Error> {
let keys = self.get_keys("encryption").await?;
let public_key = announcement.public_key();
// Check if the encryption keys match the announcement
if announcement.public_key() == keys.public_key() {
if public_key == keys.public_key() {
// Update encryption keys
let mut device = self.device.write().await;
device.set_encryption(keys);
// Re-subscribes to gift wrap events
self.resubscribe_messages().await?;
// Resubscribe to gift wrap events that include the encryption public key
self.get_messages_with_encryption(public_key).await?;
Ok(())
} else {
@@ -751,15 +753,17 @@ impl AppState {
let secret = SecretKey::from_hex(&decrypted)?;
let keys = Keys::new(secret);
let public_key = keys.public_key();
// No longer need to hold the reader for device
drop(device);
// Update encryption keys
let mut device = self.device.write().await;
device.set_encryption(keys);
// Re-subscribes to gift wrap events
self.resubscribe_messages().await?;
// Resubscribe to gift wrap events that include the encryption public key
self.get_messages_with_encryption(public_key).await?;
}
None => {
// Construct encryption keys request event
@@ -812,16 +816,19 @@ impl AppState {
// Decrypt the payload using the client keys
let decrypted = client_key.nip44_decrypt(&public_key, payload).await?;
let secret = SecretKey::parse(&decrypted)?;
let keys = Keys::new(secret);
let public_key = keys.public_key();
// No longer need to hold the reader for device
drop(device);
// Update encryption keys
let mut device = self.device.write().await;
device.set_encryption(keys);
// Re-subscribes to gift wrap events
self.resubscribe_messages().await?;
// Resubscribe to gift wrap events that include the encryption public key
self.get_messages_with_encryption(public_key).await?;
Ok(())
}
@@ -938,7 +945,7 @@ impl AppState {
public_key: PublicKey,
urls: &[RelayUrl],
) -> Result<(), Error> {
let id = SubscriptionId::new("inbox");
let id = SubscriptionId::new(INBOX_SUB_ID);
let filter = Filter::new().kind(Kind::GiftWrap).pubkey(public_key);
// Ensure user's have at least one relay
@@ -960,6 +967,29 @@ impl AppState {
Ok(())
}
/// Resubscribes to gift wrap events that include the encryption public key
pub async fn get_messages_with_encryption(&self, encryption: PublicKey) -> Result<(), Error> {
let signer = self.client.signer().await?;
let public_key = signer.get_public_key().await?;
let urls = self.messaging_relays(public_key).await;
let id = SubscriptionId::new(INBOX_SUB_ID);
let filter = Filter::new()
.kind(Kind::GiftWrap)
.pubkeys(vec![public_key, encryption]);
// Unsubscribe the previous subscription
self.client.unsubscribe(&id).await;
// Subscribe to gift wrap events
self.client
.subscribe_with_id_to(&urls, id, filter, None)
.await?;
Ok(())
}
/// Gets messaging relays for public key
pub async fn messaging_relays(&self, public_key: PublicKey) -> Vec<RelayUrl> {
let mut relay_urls = vec![];
@@ -986,26 +1016,6 @@ impl AppState {
relay_urls
}
/// Re-subscribes to gift wrap events
pub async fn resubscribe_messages(&self) -> Result<(), Error> {
let signer = self.client.signer().await?;
let public_key = signer.get_public_key().await?;
let urls = self.messaging_relays(public_key).await;
let filter = Filter::new().kind(Kind::GiftWrap).pubkey(public_key);
let id = SubscriptionId::new("inbox");
// Unsubscribe the previous subscription
self.client.unsubscribe(&id).await;
// Subscribe to gift wrap events
self.client
.subscribe_with_id_to(&urls, id, filter, None)
.await?;
Ok(())
}
/// Stores an unwrapped event in local database with reference to original
async fn set_rumor(&self, id: EventId, rumor: &UnsignedEvent) -> Result<(), Error> {
let rumor_id = rumor.id.context("Rumor is missing an event id")?;
@@ -1077,12 +1087,12 @@ impl AppState {
// Try to unwrap with the available signer
let unwrapped = self.try_unwrap_gift_wrap(gift_wrap).await?;
let sender = unwrapped.sender;
//let sender = unwrapped.sender;
let mut rumor_unsigned = unwrapped.rumor;
if !self.verify_sender(sender, &rumor_unsigned).await {
return Err(anyhow!("Invalid rumor"));
};
//if !self.verify_rumor_sender(sender, &rumor_unsigned) {
// return Err(anyhow!("Cannot verify the sender"));
//};
// Generate event id for the rumor if it doesn't have one
rumor_unsigned.ensure_id();
@@ -1098,7 +1108,7 @@ impl AppState {
// Helper method to try unwrapping with different signers
async fn try_unwrap_gift_wrap(&self, gift_wrap: &Event) -> Result<UnwrappedGift, Error> {
// Try to unwrap with the device's encryption keys first
// Try to unwrap with the encryption key first
// NIP-4e: https://github.com/nostr-protocol/nips/blob/per-device-keys/4e.md
if let Some(signer) = self.device.read().await.encryption.as_ref() {
match UnwrappedGift::from_gift_wrap(signer, gift_wrap).await {
@@ -1152,22 +1162,8 @@ impl AppState {
}
/// Verify that the sender of a rumor is the same as the sender of the event.
async fn verify_sender(&self, sender: PublicKey, rumor: &UnsignedEvent) -> bool {
// If we have encryption keys, verify the sender matches the device's public key
if let Some(keys) = self.device.read().await.encryption.as_ref() {
if let Ok(public_key) = keys.get_public_key().await {
let status = public_key == sender;
// Only return if the status is true
// else fallback to basic sender verification
if status {
return status;
} else {
return rumor.pubkey == sender;
}
}
}
// Fall back to basic sender verification
#[allow(dead_code)]
fn verify_rumor_sender(&self, sender: PublicKey, rumor: &UnsignedEvent) -> bool {
rumor.pubkey == sender
}