add tls and auth check (#49)

Co-authored-by: vovkman <[email protected]>
jito-foundation · Aug 20, 2024 · e74bce6 · e74bce6
1 parent 0517bed
commit e74bce6
Show file tree

Hide file tree

Showing 4 changed files with 112 additions and 49 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/cli/src/main.rs b/cli/src/main.rs
@@ -14,10 +14,7 @@ use jito_geyser_protos::solana::geyser::{
 };
 use prost_types::Timestamp;
 use solana_sdk::pubkey::Pubkey;
-use tonic::{
-    transport::{ClientTlsConfig, Endpoint},
-    Streaming,
-};
+use tonic::{transport::channel::Endpoint, Streaming};
 use uuid::Uuid;
 
 #[derive(Parser, Debug)]
@@ -72,12 +69,7 @@ async fn main() {
     let args: Args = Args::parse();
     println!("args: {args:?}");
 
-    let mut endpoint = Endpoint::from_str(&args.url).unwrap();
-    if args.url.starts_with("https://") {
-        endpoint = endpoint
-            .tls_config(ClientTlsConfig::new())
-            .expect("create tls config");
-    }
+    let endpoint = Endpoint::from_str(&args.url).unwrap();
 
     let channel = endpoint.connect().await.expect("connects");
 

diff --git a/server/src/geyser_grpc_plugin.rs b/server/src/geyser_grpc_plugin.rs
@@ -1,15 +1,15 @@
 //! Implements the geyser plugin interface.
 
 use std::{
+    fs,
     fs::File,
     io::Read,
     sync::{
-        atomic::{AtomicU64, Ordering},
+        atomic::{AtomicBool, AtomicU64, Ordering},
         Arc,
     },
     time::SystemTime,
 };
-use std::sync::atomic::AtomicBool;
 
 use bs58;
 use crossbeam_channel::{bounded, Sender, TrySendError};
@@ -29,7 +29,11 @@ use solana_geyser_plugin_interface::geyser_plugin_interface::{
     ReplicaTransactionInfoVersions, Result as PluginResult, SlotStatus,
 };
 use tokio::{runtime::Runtime, sync::oneshot};
-use tonic::transport::Server;
+use tonic::{
+    service::{interceptor::InterceptedService, Interceptor},
+    transport::{Identity, Server, ServerTlsConfig},
+    Request, Status,
+};
 
 use crate::server::{GeyserService, GeyserServiceConfig};
 
@@ -47,7 +51,7 @@ pub struct PluginData {
     highest_write_slot: Arc<AtomicU64>,
 
     is_startup_completed: AtomicBool,
-    ignore_startup_updates: bool
+    ignore_startup_updates: bool,
 }
 
 #[derive(Default)]
@@ -70,7 +74,7 @@ pub struct PluginConfig {
     pub slot_update_buffer_size: usize,
     pub block_update_buffer_size: usize,
     pub transaction_update_buffer_size: usize,
-    pub skip_startup_stream: Option<bool>
+    pub skip_startup_stream: Option<bool>,
 }
 
 impl GeyserPlugin for GeyserGrpcPlugin {
@@ -114,7 +118,7 @@ impl GeyserPlugin for GeyserGrpcPlugin {
             bounded(config.transaction_update_buffer_size);
 
         let svc = GeyserService::new(
-            config.geyser_service_config,
+            config.geyser_service_config.clone(),
             account_update_rx,
             slot_update_rx,
             block_update_receiver,
@@ -125,13 +129,26 @@ impl GeyserPlugin for GeyserGrpcPlugin {
 
         let runtime = Runtime::new().unwrap();
         let (server_exit_tx, server_exit_rx) = oneshot::channel();
-        runtime.spawn(
-            Server::builder()
-                .add_service(svc)
-                .serve_with_shutdown(addr, async move {
-                    let _ = server_exit_rx.await;
-                }),
-        );
+        let mut server_builder = Server::builder();
+        let tls_config = config.geyser_service_config.tls_config.clone();
+        let access_token = config.geyser_service_config.access_token.clone();
+        if let Some(tls_config) = tls_config {
+            let cert = fs::read(&tls_config.cert_path)?;
+            let key = fs::read(&tls_config.key_path)?;
+            server_builder = server_builder
+                .tls_config(ServerTlsConfig::new().identity(Identity::from_pem(cert, key)))
+                .map_err(|e| GeyserPluginError::Custom(e.into()))?;
+        }
+        let s;
+        if let Some(access_token) = access_token {
+            let svc = InterceptedService::new(svc, AccessTokenChecker::new(access_token));
+            s = server_builder.add_service(svc);
+        } else {
+            s = server_builder.add_service(svc);
+        }
+        runtime.spawn(s.serve_with_shutdown(addr, async move {
+            let _ = server_exit_rx.await;
+        }));
 
         self.data = Some(PluginData {
             runtime,
@@ -143,7 +160,7 @@ impl GeyserPlugin for GeyserGrpcPlugin {
             highest_write_slot,
             is_startup_completed: AtomicBool::new(false),
             // don't skip startup to keep backwards compatability
-            ignore_startup_updates: config.skip_startup_stream.unwrap_or(false)
+            ignore_startup_updates: config.skip_startup_stream.unwrap_or(false),
         });
         info!("plugin data initialized");
 
@@ -161,7 +178,11 @@ impl GeyserPlugin for GeyserGrpcPlugin {
     }
 
     fn notify_end_of_startup(&self) -> PluginResult<()> {
-        self.data.as_ref().unwrap().is_startup_completed.store(true, Ordering::Relaxed);
+        self.data
+            .as_ref()
+            .unwrap()
+            .is_startup_completed
+            .store(true, Ordering::Relaxed);
         Ok(())
     }
 
@@ -459,3 +480,23 @@ pub unsafe extern "C" fn _create_plugin() -> *mut dyn GeyserPlugin {
     let plugin: Box<dyn GeyserPlugin> = Box::new(plugin);
     Box::into_raw(plugin)
 }
+
+#[derive(Clone)]
+struct AccessTokenChecker {
+    access_token: String,
+}
+
+impl AccessTokenChecker {
+    fn new(access_token: String) -> Self {
+        Self { access_token }
+    }
+}
+
+impl Interceptor for AccessTokenChecker {
+    fn call(&mut self, req: Request<()>) -> Result<Request<()>, Status> {
+        match req.metadata().get("access-token") {
+            Some(t) if &self.access_token == t => Ok(req),
+            _ => Err(Status::unauthenticated("Access token is incorrect")),
+        }
+    }
+}
diff --git a/server/src/server.rs b/server/src/server.rs
@@ -282,13 +282,22 @@ pub enum GeyserServiceError {
 
 type GeyserServiceResult<T> = Result<T, GeyserServiceError>;
 
+#[derive(Debug, Clone, Deserialize)]
+pub struct ServerTlsConfig {
+    pub cert_path: String,
+    pub key_path: String,
+}
+
 #[derive(Clone, Debug, Deserialize)]
 pub struct GeyserServiceConfig {
     /// Cadence of heartbeats.
     heartbeat_interval_ms: u64,
 
     /// Individual subscriber buffer size.
     subscriber_buffer_size: usize,
+
+    pub tls_config: Option<ServerTlsConfig>,
+    pub access_token: Option<String>,
 }
 
 pub struct GeyserService {