core public keys improve refresh

bin/core/src/connection/mod.rs

@@ -341,7 +341,7 @@ impl PeripheryConnection {
         match ws_write.send(message).await {
           Ok(_) => receiver.clear_buffer(),
           Err(e) => {
-            self.set_error(e.into()).await;
+            self.set_error(e).await;
             break;
           }
         }
@@ -363,7 +363,7 @@ impl PeripheryConnection {
             break;
           }
           Err(e) => {
-            self.set_error(e.into()).await;
+            self.set_error(e).await;
           }
         };
       }

bin/core/src/periphery/mod.rs

@@ -44,10 +44,7 @@ impl PeripheryClient {
         return Err(anyhow!("Server {id} is not connected"));
       }
       let channels = args
-        .spawn_client_connection(
-          id.clone(),
-          insecure_tls,
-        )
+        .spawn_client_connection(id.clone(), insecure_tls)
         .await?;
       return Ok(PeripheryClient { id, channels });
     };
@@ -77,10 +74,7 @@ impl PeripheryClient {
     } else {
       // Core -> Periphery connection
       let channels = args
-        .spawn_client_connection(
-          id.clone(),
-          insecure_tls,
-        )
+        .spawn_client_connection(id.clone(), insecure_tls)
         .await?;
       Ok(PeripheryClient { id, channels })
     }

bin/periphery/src/api/keys.rs

@@ -9,8 +9,9 @@ use periphery_client::api::keys::{
 };
 use resolver_api::Resolve;
 
-use crate::config::{
-  core_public_keys, periphery_config, periphery_private_key,
+use crate::{
+  config::{periphery_config, periphery_private_key},
+  connection::core_public_keys,
 };
 
 //
@@ -44,25 +45,25 @@ impl Resolve<super::Args> for RotatePrivateKey {
 impl Resolve<super::Args> for RotateCorePublicKey {
   async fn resolve(self, _: &super::Args) -> serror::Result<NoData> {
     let config = periphery_config();
-    let (Some(core_public_keys_spec), Some(core_public_keys)) =
-      (config.core_public_keys.as_ref(), core_public_keys())
+
+    let Some(core_public_keys_spec) =
+      config.core_public_keys.as_ref()
     else {
       return Ok(NoData {});
     };
+
     let Some(core_public_key_path) = core_public_keys_spec
       .first()
       .and_then(|key| key.strip_prefix("file:"))
     else {
       return Ok(NoData {});
     };
-    let public_key = SpkiPublicKey::from(self.public_key);
-    public_key.write_pem(core_public_key_path)?;
-    let mut new_core_public_keys = vec![public_key];
-    // This only replaces the first, extend the rest.
-    new_core_public_keys
-      .extend_from_slice(&core_public_keys.load().as_slice()[1..]);
-    // Store the new keys for the next auth
-    core_public_keys.store(Arc::new(new_core_public_keys));
+
+    SpkiPublicKey::from(self.public_key)
+      .write_pem(core_public_key_path)?;
+
+    core_public_keys().refresh();
+
     Ok(NoData {})
   }
 }

bin/periphery/src/config.rs

@@ -1,5 +1,4 @@
 use std::{
-  fs::read_to_string,
   path::PathBuf,
   sync::{Arc, OnceLock},
 };
@@ -52,39 +51,6 @@ pub fn periphery_public_key() -> &'static ArcSwap<SpkiPublicKey> {
   })
 }
 
-pub fn core_public_keys()
--> Option<&'static ArcSwap<Vec<SpkiPublicKey>>> {
-  static CORE_PUBLIC_KEYS: OnceLock<
-    Option<ArcSwap<Vec<SpkiPublicKey>>>,
-  > = OnceLock::new();
-  CORE_PUBLIC_KEYS
-    .get_or_init(|| {
-      periphery_config().core_public_keys.as_ref().map(
-        |public_keys| {
-          let public_keys = public_keys
-            .iter()
-            .map(|public_key| {
-              let maybe_pem = if let Some(path) =
-                public_key.strip_prefix("file:")
-              {
-                read_to_string(path)
-                  .with_context(|| {
-                    format!("Failed to read public key at {path:?}")
-                  })
-                  .unwrap()
-              } else {
-                public_key.clone()
-              };
-              SpkiPublicKey::from_maybe_pem(&maybe_pem).unwrap()
-            })
-            .collect::<Vec<_>>();
-          ArcSwap::new(Arc::new(public_keys))
-        },
-      )
-    })
-    .as_ref()
-}
-
 pub fn periphery_args() -> &'static CliArgs {
   static PERIPHERY_ARGS: OnceLock<CliArgs> = OnceLock::new();
   PERIPHERY_ARGS.get_or_init(CliArgs::parse)

bin/periphery/src/connection/client.rs

@@ -15,7 +15,7 @@ use transport::{
 use crate::{
   api::Args,
   config::{periphery_config, periphery_public_key},
-  connection::{CorePublicKeyValidator, core_channels},
+  connection::{core_channels, core_public_keys},
 };
 
 pub async fn handler(address: &str) -> anyhow::Result<()> {
@@ -169,7 +169,7 @@ async fn handle_onboarding(
   ClientLoginFlow::login(LoginFlowArgs {
     private_key: onboarding_key,
     identifiers,
-    public_key_validator: CorePublicKeyValidator,
+    public_key_validator: core_public_keys(),
     socket: &mut socket,
   })
   .await?;

bin/periphery/src/connection/mod.rs

@@ -1,11 +1,14 @@
 use std::{
+  fs::read_to_string,
   sync::{Arc, OnceLock},
   time::Duration,
 };
 
-use anyhow::anyhow;
+use anyhow::{Context as _, anyhow};
+use arc_swap::ArcSwap;
 use bytes::Bytes;
 use cache::CloneCache;
+use noise::key::SpkiPublicKey;
 use resolver_api::Resolve;
 use response::JsonBytes;
 use transport::{
@@ -21,9 +24,7 @@ use uuid::Uuid;
 
 use crate::{
   api::{Args, PeripheryRequest},
-  config::{
-    core_public_keys, periphery_config, periphery_private_key,
-  },
+  config::{periphery_config, periphery_private_key},
 };
 
 pub mod client;
@@ -37,24 +38,70 @@ pub fn core_channels() -> &'static CoreChannels {
   CORE_CHANNELS.get_or_init(Default::default)
 }
 
-pub struct CorePublicKeyValidator;
+pub fn core_public_keys() -> &'static CorePublicKeys {
+  static CORE_PUBLIC_KEYS: OnceLock<CorePublicKeys> = OnceLock::new();
+  CORE_PUBLIC_KEYS.get_or_init(CorePublicKeys::default)
+}
 
-impl PublicKeyValidator for CorePublicKeyValidator {
+pub struct CorePublicKeys(ArcSwap<Vec<SpkiPublicKey>>);
+
+impl Default for CorePublicKeys {
+  fn default() -> Self {
+    let keys = CorePublicKeys(Default::default());
+    keys.refresh();
+    keys
+  }
+}
+
+impl CorePublicKeys {
+  pub fn is_valid(&self, public_key: &str) -> bool {
+    let keys = self.0.load();
+    keys.is_empty() || keys.iter().any(|pk| pk.as_str() == public_key)
+  }
+
+  pub fn refresh(&self) {
+    let Some(core_public_keys) =
+      periphery_config().core_public_keys.as_ref()
+    else {
+      return;
+    };
+    let core_public_keys = core_public_keys
+      .iter()
+      .flat_map(|public_key| {
+        let maybe_pem =
+          if let Some(path) = public_key.strip_prefix("file:") {
+            read_to_string(path)
+              .with_context(|| {
+                format!("Failed to read public key at {path:?}")
+              })
+              .inspect_err(|e| warn!("{e:#}"))
+              .ok()?
+          } else {
+            public_key.clone()
+          };
+        SpkiPublicKey::from_maybe_pem(&maybe_pem)
+          .inspect_err(|e| warn!("{e:#}"))
+          .ok()
+      })
+      .collect::<Vec<_>>();
+    self.0.store(Arc::new(core_public_keys));
+  }
+}
+
+impl PublicKeyValidator for &CorePublicKeys {
   type ValidationResult = ();
   async fn validate(&self, public_key: String) -> anyhow::Result<()> {
-    if let Some(public_keys) = core_public_keys()
-      && public_keys
-        .load()
-        .iter()
-        .all(|expected| public_key != expected.as_str())
+    let keys = self.0.load();
+    if keys.is_empty()
+      || keys.iter().any(|pk| pk.as_str() == public_key)
     {
+      Ok(())
+    } else {
       Err(
         anyhow!("{public_key} is invalid")
           .context("Ensure public key matches one of the 'core_public_keys' in periphery config (PERIPHERY_CORE_PUBLIC_KEYS)")
           .context("Periphery failed to validate Core public key"),
       )
-    } else {
-      Ok(())
     }
   }
 }
@@ -67,7 +114,7 @@ async fn handle_login<W: Websocket, L: LoginFlow>(
     socket,
     identifiers,
     private_key: periphery_private_key().load().as_str(),
-    public_key_validator: CorePublicKeyValidator,
+    public_key_validator: core_public_keys(),
   })
   .await
 }

bin/periphery/src/connection/server.rs

@@ -30,9 +30,7 @@ use transport::{
 };
 
 use crate::{
-  api::Args,
-  config::{core_public_keys, periphery_config},
-  connection::core_channels,
+  api::Args, config::periphery_config, connection::core_channels,
 };
 
 pub async fn run() -> anyhow::Result<()> {
@@ -160,7 +158,8 @@ async fn handle_login(
   socket: &mut AxumWebsocket,
   identifiers: ConnectionIdentifiers<'_>,
 ) -> anyhow::Result<()> {
-  match (core_public_keys(), &periphery_config().passkeys) {
+  let config = periphery_config();
+  match (&config.core_public_keys, &config.passkeys) {
     (Some(_), _) | (_, None) => {
       // Send login type [0] (Noise auth)
       socket

lib/transport/src/timeout.rs

@@ -41,8 +41,7 @@ impl<
     tokio::time::timeout(timeout, self.inner).map(|res| {
       res
         .context("Timed out waiting for message.")
-        .map(|inner| inner.map_err(Into::into))
-        .flatten()
+        .and_then(|inner| inner.map_err(Into::into))
     })
   }
 }

lib/transport/src/websocket/mod.rs

@@ -84,7 +84,7 @@ pub trait Websocket: Send {
     MaybeWithTimeout::new(
       self
         .recv_message()
-        .map(|res| res.map(|message| message.into_parts()).flatten()),
+        .map(|res| res.and_then(|message| message.into_parts())),
     )
   }
 
@@ -96,12 +96,10 @@ pub trait Websocket: Send {
     impl Future<Output = anyhow::Result<Bytes>> + Send,
   > {
     MaybeWithTimeout::new(self.recv_parts().map(|res| {
-      res
-        .map(|(data, _, state)| match state {
-          MessageState::Successful => Ok(data),
-          _ => Err(deserialize_error_bytes(&data)),
-        })
-        .flatten()
+      res.and_then(|(data, _, state)| match state {
+        MessageState::Successful => Ok(data),
+        _ => Err(deserialize_error_bytes(&data)),
+      })
     }))
   }
 }
@@ -154,7 +152,7 @@ pub trait WebsocketReceiver: Send {
     MaybeWithTimeout::new(
       self
         .recv_message()
-        .map(|res| res.map(|message| message.into_parts()).flatten()),
+        .map(|res| res.and_then(|message| message.into_parts())),
     )
   }
 }