feat: add basic remote copu

crates/voidpin/Cargo.toml

@@ -14,3 +14,8 @@ dotenv.workspace = true
 
 serde = { version = "1.0.197", features = ["derive"] }
 uuid = { version = "1.7.0", features = ["v4"] }
+tonic = { version = "0.12.3", features = ["tls", "tls-roots"] }
+prost = "0.13.4"
+prost-types = "0.13.4"
+bytes = "1.9.0"
+async-trait = "0.1.85"

crates/voidpin/proto/voidpin/v1/voidpin.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package voidpin.v1;
+
+service VoidPin {
+  rpc Copy(CopyRequest) returns (CopyResponse);
+}
+
+message CopyRequest {
+ bytes content = 1;
+}
+
+message CopyResponse {}

crates/voidpin/src/gen/voidpin.v1.rs

@@ -0,0 +1,14 @@
+// @generated
+// This file is @generated by prost-build.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CopyRequest {
+    #[prost(bytes="vec", tag="1")]
+    pub content: ::prost::alloc::vec::Vec<u8>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct CopyResponse {
+}
+include!("voidpin.v1.tonic.rs");
+// @@protoc_insertion_point(module)

crates/voidpin/src/gen/voidpin.v1.tonic.rs

@@ -0,0 +1,287 @@
+// @generated
+/// Generated client implementations.
+pub mod void_pin_client {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    ///
+    #[derive(Debug, Clone)]
+    pub struct VoidPinClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl VoidPinClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> VoidPinClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> VoidPinClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + Send + Sync,
+        {
+            VoidPinClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        ///
+        pub async fn copy(
+            &mut self,
+            request: impl tonic::IntoRequest<super::CopyRequest>,
+        ) -> std::result::Result<tonic::Response<super::CopyResponse>, tonic::Status> {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static("/voidpin.v1.VoidPin/Copy");
+            let mut req = request.into_request();
+            req.extensions_mut().insert(GrpcMethod::new("voidpin.v1.VoidPin", "Copy"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated server implementations.
+pub mod void_pin_server {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    /// Generated trait containing gRPC methods that should be implemented for use with VoidPinServer.
+    #[async_trait]
+    pub trait VoidPin: Send + Sync + 'static {
+        ///
+        async fn copy(
+            &self,
+            request: tonic::Request<super::CopyRequest>,
+        ) -> std::result::Result<tonic::Response<super::CopyResponse>, tonic::Status>;
+    }
+    ///
+    #[derive(Debug)]
+    pub struct VoidPinServer<T: VoidPin> {
+        inner: _Inner<T>,
+        accept_compression_encodings: EnabledCompressionEncodings,
+        send_compression_encodings: EnabledCompressionEncodings,
+        max_decoding_message_size: Option<usize>,
+        max_encoding_message_size: Option<usize>,
+    }
+    struct _Inner<T>(Arc<T>);
+    impl<T: VoidPin> VoidPinServer<T> {
+        pub fn new(inner: T) -> Self {
+            Self::from_arc(Arc::new(inner))
+        }
+        pub fn from_arc(inner: Arc<T>) -> Self {
+            let inner = _Inner(inner);
+            Self {
+                inner,
+                accept_compression_encodings: Default::default(),
+                send_compression_encodings: Default::default(),
+                max_decoding_message_size: None,
+                max_encoding_message_size: None,
+            }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> InterceptedService<Self, F>
+        where
+            F: tonic::service::Interceptor,
+        {
+            InterceptedService::new(Self::new(inner), interceptor)
+        }
+        /// Enable decompressing requests with the given encoding.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.accept_compression_encodings.enable(encoding);
+            self
+        }
+        /// Compress responses with the given encoding, if the client supports it.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.send_compression_encodings.enable(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.max_decoding_message_size = Some(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.max_encoding_message_size = Some(limit);
+            self
+        }
+    }
+    impl<T, B> tonic::codegen::Service<http::Request<B>> for VoidPinServer<T>
+    where
+        T: VoidPin,
+        B: Body + Send + 'static,
+        B::Error: Into<StdError> + Send + 'static,
+    {
+        type Response = http::Response<tonic::body::BoxBody>;
+        type Error = std::convert::Infallible;
+        type Future = BoxFuture<Self::Response, Self::Error>;
+        fn poll_ready(
+            &mut self,
+            _cx: &mut Context<'_>,
+        ) -> Poll<std::result::Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
+        }
+        fn call(&mut self, req: http::Request<B>) -> Self::Future {
+            let inner = self.inner.clone();
+            match req.uri().path() {
+                "/voidpin.v1.VoidPin/Copy" => {
+                    #[allow(non_camel_case_types)]
+                    struct CopySvc<T: VoidPin>(pub Arc<T>);
+                    impl<T: VoidPin> tonic::server::UnaryService<super::CopyRequest>
+                    for CopySvc<T> {
+                        type Response = super::CopyResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::CopyRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as VoidPin>::copy(&inner, request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = CopySvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                _ => {
+                    Box::pin(async move {
+                        Ok(
+                            http::Response::builder()
+                                .status(200)
+                                .header("grpc-status", "12")
+                                .header("content-type", "application/grpc")
+                                .body(empty_body())
+                                .unwrap(),
+                        )
+                    })
+                }
+            }
+        }
+    }
+    impl<T: VoidPin> Clone for VoidPinServer<T> {
+        fn clone(&self) -> Self {
+            let inner = self.inner.clone();
+            Self {
+                inner,
+                accept_compression_encodings: self.accept_compression_encodings,
+                send_compression_encodings: self.send_compression_encodings,
+                max_decoding_message_size: self.max_decoding_message_size,
+                max_encoding_message_size: self.max_encoding_message_size,
+            }
+        }
+    }
+    impl<T: VoidPin> Clone for _Inner<T> {
+        fn clone(&self) -> Self {
+            Self(Arc::clone(&self.0))
+        }
+    }
+    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            write!(f, "{:?}", self.0)
+        }
+    }
+    impl<T: VoidPin> tonic::server::NamedService for VoidPinServer<T> {
+        const NAME: &'static str = "voidpin.v1.VoidPin";
+    }
+}

crates/voidpin/src/grpc_server.rs

@@ -0,0 +1,30 @@
+use crate::{copy::LocalCopierState, state::State};
+
+#[derive(Clone)]
+pub struct GrpcServer {
+    state: State,
+}
+
+impl GrpcServer {
+    pub fn new(state: State) -> Self {
+        Self { state }
+    }
+}
+
+#[async_trait::async_trait]
+impl crate::grpc::void_pin_server::VoidPin for GrpcServer {
+    async fn copy(
+        &self,
+        req: tonic::Request<crate::grpc::CopyRequest>,
+    ) -> Result<tonic::Response<crate::grpc::CopyResponse>, tonic::Status> {
+        let req = req.into_inner();
+
+        self.state
+            .local_copier()
+            .copy(&req.content)
+            .await
+            .map_err(|e| tonic::Status::internal(e.to_string()))?;
+
+        Ok(tonic::Response::new(crate::grpc::CopyResponse {}))
+    }
+}

crates/voidpin/src/main.rs

@@ -1,11 +1,22 @@
-use std::io::Read;
+use std::{io::Read, net::SocketAddr};
 
 use anyhow::Context;
 use clap::{Parser, Subcommand};
 use copy::LocalCopierState;
+use grpc::void_pin_server::VoidPinServer;
+use grpc_server::GrpcServer;
+use remote_copy::RemoteCopierState;
 use state::State;
+use tonic::transport;
+
+mod grpc {
+    include!("gen/voidpin.v1.rs");
+}
+
+mod grpc_server;
 
 mod copy;
+mod remote_copy;
 mod state;
 
 #[derive(Parser)]
@@ -17,7 +28,10 @@ struct Command {
 
 #[derive(Subcommand)]
 enum Commands {
-    Listen {},
+    Listen {
+        #[arg(long, env = "VP_GRPC_HOST", default_value = "0.0.0.0:7900")]
+        grpc: SocketAddr,
+    },
     Copy {},
     Remote {
         #[command(subcommand)]
@@ -27,7 +41,14 @@ enum Commands {
 
 #[derive(Subcommand)]
 enum RemoteCommands {
-    Copy {},
+    Copy {
+        #[arg(
+            long = "remote-host",
+            env = "VP_REMOTE_HOST",
+            default_value = "http://0.0.0.0:7900"
+        )]
+        remote_host: String,
+    },
 }
 
 #[tokio::main]
@@ -41,7 +62,13 @@ async fn main() -> anyhow::Result<()> {
     let state = State::new();
 
     match cli.command.unwrap() {
-        Commands::Listen {} => {}
+        Commands::Listen { grpc } => {
+            tracing::info!(grpc = grpc.to_string(), "starting listener");
+            transport::Server::builder()
+                .add_service(VoidPinServer::new(GrpcServer::new(state)))
+                .serve(grpc)
+                .await?;
+        }
         Commands::Copy {} => {
             let mut input = String::new();
             std::io::stdin()
@@ -57,7 +84,23 @@ async fn main() -> anyhow::Result<()> {
             state.local_copier().copy(input.as_bytes()).await?;
         }
         Commands::Remote { command } => match command {
-            RemoteCommands::Copy {} => todo!(),
+            RemoteCommands::Copy { remote_host } => {
+                let mut input = String::new();
+                std::io::stdin()
+                    .read_to_string(&mut input)
+                    .context("failed to read from stdin")?;
+
+                if input.is_empty() {
+                    tracing::info!("no content to put in clipboard");
+                    return Ok(());
+                }
+
+                tracing::debug!(content = &input, "found content");
+                state
+                    .remote_copier(&remote_host)
+                    .copy(input.as_bytes())
+                    .await?;
+            }
         },
         _ => (),
     }

crates/voidpin/src/remote_copy.rs

@@ -0,0 +1,50 @@
+use tonic::transport::{Channel, ClientTlsConfig};
+
+use crate::{grpc::CopyRequest, state::State};
+
+#[derive(Default)]
+pub struct RemoteCopier {
+    host: String,
+}
+
+impl RemoteCopier {
+    pub fn new(remote_host: impl Into<String>) -> Self {
+        Self {
+            host: remote_host.into(),
+        }
+    }
+
+    pub async fn copy(&self, input: &[u8]) -> anyhow::Result<()> {
+        let tls = ClientTlsConfig::new();
+        let channel = Channel::from_shared(self.host.clone())?
+            .tls_config(if self.host.starts_with("https") {
+                tls.with_native_roots()
+            } else {
+                tls
+            })?
+            .connect()
+            .await?;
+
+        tracing::debug!("establishing connection to remote");
+        let mut client = crate::grpc::void_pin_client::VoidPinClient::new(channel);
+        tracing::info!("sending copy request");
+        client
+            .copy(CopyRequest {
+                content: input.into(),
+            })
+            .await?;
+        tracing::info!("sent copy request");
+
+        Ok(())
+    }
+}
+
+pub trait RemoteCopierState {
+    fn remote_copier(&self, host: impl Into<String>) -> RemoteCopier;
+}
+
+impl RemoteCopierState for State {
+    fn remote_copier(&self, host: impl Into<String>) -> RemoteCopier {
+        RemoteCopier::new(host)
+    }
+}