forked from rojo-rbx/rojo
477e0ada32
* vroom * Port dir middleware * Filter rules * Directory metadata * Project support * Enable Lua support * StringValue support * CSV * rbxm, rbxmx, and rbxlx * JSON models * Clean up some warnings * Strip out PathMap * Unwatch paths when they're reported as removed * Fix 'rojo upload' behavior * Upgrade to Insta 0.13.1 * Update dependencies * Release 0.6.0-alpha.2 * Fix bad merge * Replace MemoryBackend with InMemoryFs * Sledgehammer tests into passing for now * Txt middleware * Update easy snapshot tests * Lua tests * Project middleware tests * Try to fix test failures by sorting * Port first set of serve session tests * Add InMemoryFs::raise_event * Finish porting serve session tests * Remove UI code for introspecting VFS for now * VFS docs
237 lines
8.3 KiB
Rust
237 lines
8.3 KiB
Rust
//! Defines Rojo's HTTP API, all under /api. These endpoints generally return
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//! JSON.
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use std::{collections::HashMap, sync::Arc};
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use futures::{Future, Stream};
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use hyper::{service::Service, Body, Method, Request, StatusCode};
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use rbx_dom_weak::RbxId;
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use crate::{
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serve_session::ServeSession,
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snapshot::{PatchSet, PatchUpdate},
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web::{
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interface::{
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ErrorResponse, Instance, InstanceMetadata as WebInstanceMetadata, InstanceUpdate,
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ReadResponse, ServerInfoResponse, SubscribeMessage, SubscribeResponse, WriteRequest,
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WriteResponse, PROTOCOL_VERSION, SERVER_VERSION,
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},
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util::{json, json_ok},
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},
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};
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pub struct ApiService {
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serve_session: Arc<ServeSession>,
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}
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impl Service for ApiService {
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type ReqBody = Body;
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type ResBody = Body;
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type Error = hyper::Error;
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type Future =
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Box<dyn Future<Item = hyper::Response<Self::ReqBody>, Error = Self::Error> + Send>;
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fn call(&mut self, request: hyper::Request<Self::ReqBody>) -> Self::Future {
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match (request.method(), request.uri().path()) {
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(&Method::GET, "/api/rojo") => self.handle_api_rojo(),
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(&Method::GET, path) if path.starts_with("/api/read/") => self.handle_api_read(request),
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(&Method::GET, path) if path.starts_with("/api/subscribe/") => {
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self.handle_api_subscribe(request)
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}
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(&Method::POST, "/api/write") if cfg!(feature = "unstable_two_way_sync") => {
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self.handle_api_write(request)
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}
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(_method, path) => json(
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ErrorResponse::not_found(format!("Route not found: {}", path)),
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StatusCode::NOT_FOUND,
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),
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}
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}
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}
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impl ApiService {
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pub fn new(serve_session: Arc<ServeSession>) -> Self {
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ApiService { serve_session }
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}
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/// Get a summary of information about the server
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fn handle_api_rojo(&self) -> <Self as Service>::Future {
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let tree = self.serve_session.tree();
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let root_instance_id = tree.get_root_id();
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json_ok(&ServerInfoResponse {
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server_version: SERVER_VERSION.to_owned(),
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protocol_version: PROTOCOL_VERSION,
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session_id: self.serve_session.session_id(),
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expected_place_ids: self.serve_session.serve_place_ids().cloned(),
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root_instance_id,
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})
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}
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/// Retrieve any messages past the given cursor index, and if
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/// there weren't any, subscribe to receive any new messages.
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fn handle_api_subscribe(&self, request: Request<Body>) -> <Self as Service>::Future {
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let argument = &request.uri().path()["/api/subscribe/".len()..];
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let input_cursor: u32 = match argument.parse() {
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Ok(v) => v,
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Err(err) => {
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return json(
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ErrorResponse::bad_request(format!("Malformed message cursor: {}", err)),
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StatusCode::BAD_REQUEST,
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);
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}
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};
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let session_id = self.serve_session.session_id();
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let receiver = self.serve_session.message_queue().subscribe(input_cursor);
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let tree_handle = self.serve_session.tree_handle();
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Box::new(receiver.then(move |result| match result {
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Ok((message_cursor, messages)) => {
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let tree = tree_handle.lock().unwrap();
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let api_messages = messages
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.into_iter()
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.map(|message| {
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let removed = message.removed;
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let mut added = HashMap::new();
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for id in message.added {
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let instance = tree.get_instance(id).unwrap();
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added.insert(id, Instance::from_rojo_instance(instance));
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for instance in tree.descendants(id) {
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added.insert(instance.id(), Instance::from_rojo_instance(instance));
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}
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}
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let updated = message
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.updated
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.into_iter()
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.map(|update| {
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let changed_metadata = update
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.changed_metadata
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.as_ref()
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.map(WebInstanceMetadata::from_rojo_metadata);
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InstanceUpdate {
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id: update.id,
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changed_name: update.changed_name,
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changed_class_name: update.changed_class_name,
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changed_properties: update.changed_properties,
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changed_metadata,
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}
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})
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.collect();
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SubscribeMessage {
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removed,
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added,
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updated,
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}
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})
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.collect();
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json_ok(SubscribeResponse {
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session_id,
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message_cursor,
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messages: api_messages,
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})
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}
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Err(_) => json(
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ErrorResponse::internal_error("Message queue disconnected sender"),
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StatusCode::INTERNAL_SERVER_ERROR,
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),
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}))
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}
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fn handle_api_write(&self, request: Request<Body>) -> <Self as Service>::Future {
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let session_id = self.serve_session.session_id();
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let tree_mutation_sender = self.serve_session.tree_mutation_sender();
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Box::new(request.into_body().concat2().and_then(move |body| {
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let request: WriteRequest = match serde_json::from_slice(&body) {
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Ok(request) => request,
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Err(err) => {
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return json(
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ErrorResponse::bad_request(format!("Invalid body: {}", err)),
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StatusCode::BAD_REQUEST,
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);
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}
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};
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if request.session_id != session_id {
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return json(
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ErrorResponse::bad_request("Wrong session ID"),
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StatusCode::BAD_REQUEST,
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);
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}
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let updated_instances = request
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.updated
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.into_iter()
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.map(|update| PatchUpdate {
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id: update.id,
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changed_class_name: update.changed_class_name,
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changed_name: update.changed_name,
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changed_properties: update.changed_properties,
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changed_metadata: None,
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})
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.collect();
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tree_mutation_sender
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.send(PatchSet {
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removed_instances: Vec::new(),
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added_instances: Vec::new(),
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updated_instances,
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})
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.unwrap();
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json_ok(&WriteResponse { session_id })
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}))
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}
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fn handle_api_read(&self, request: Request<Body>) -> <Self as Service>::Future {
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let argument = &request.uri().path()["/api/read/".len()..];
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let requested_ids: Option<Vec<RbxId>> = argument.split(',').map(RbxId::parse_str).collect();
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let requested_ids = match requested_ids {
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Some(ids) => ids,
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None => {
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return json(
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ErrorResponse::bad_request("Malformed ID list"),
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StatusCode::BAD_REQUEST,
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);
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}
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};
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let message_queue = self.serve_session.message_queue();
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let message_cursor = message_queue.cursor();
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let tree = self.serve_session.tree();
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let mut instances = HashMap::new();
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for id in requested_ids {
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if let Some(instance) = tree.get_instance(id) {
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instances.insert(id, Instance::from_rojo_instance(instance));
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for descendant in tree.descendants(id) {
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instances.insert(descendant.id(), Instance::from_rojo_instance(descendant));
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}
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}
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}
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json_ok(ReadResponse {
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session_id: self.serve_session.session_id(),
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message_cursor,
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instances,
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})
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}
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}
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