Start work on connecting to RPC endpoint

Co-Authored-By: Antonio Scandurra <me@as-cii.com>

gpui/src/app.rs

@@ -2,7 +2,7 @@ use crate::{
     elements::ElementBox,
     executor,
     keymap::{self, Keystroke},
-    platform::{self, PromptLevel, WindowOptions},
+    platform::{self, Platform, PromptLevel, WindowOptions},
     presenter::Presenter,
     util::{post_inc, timeout},
     AssetCache, AssetSource, ClipboardItem, FontCache, PathPromptOptions, TextLayoutCache,
@@ -412,6 +412,10 @@ impl AsyncAppContext {
         self.update(|cx| cx.add_model(build_model))
     }
 
+    pub fn platform(&self) -> Arc<dyn Platform> {
+        self.0.borrow().platform()
+    }
+
     pub fn background_executor(&self) -> Arc<executor::Background> {
         self.0.borrow().cx.background.clone()
     }

zed-rpc/Cargo.toml

@@ -12,6 +12,7 @@ futures-lite = "1"
 prost = "0.7"
 rsa = "0.4"
 rand = "0.8"
+serde = { version = "1", features = ["derive"] }
 
 [build-dependencies]
 prost-build = { git = "https://github.com/sfackler/prost", rev = "082f3e65874fe91382e72482863896b7b4db3728" }

zed-rpc/src/lib.rs

@@ -1,2 +1,3 @@
 pub mod auth;
 pub mod proto;
+pub mod rest;

zed-rpc/src/rest.rs

@@ -0,0 +1,7 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize)]
+pub struct CreateWorktreeResponse {
+    pub worktree_id: u64,
+    pub rpc_address: String,
+}

zed/Cargo.toml

@@ -23,6 +23,7 @@ easy-parallel = "3.1.0"
 fsevent = { path = "../fsevent" }
 futures-core = "0.3"
 gpui = { path = "../gpui" }
+http-auth-basic = "0.1.3"
 ignore = "0.4"
 lazy_static = "1.4.0"
 libc = "0.2"
@@ -39,6 +40,7 @@ similar = "1.3"
 simplelog = "0.9"
 smallvec = { version = "1.6", features = ["union"] }
 smol = "1.2.5"
+surf = "2.2"
 toml = "0.5"
 tree-sitter = "0.19.5"
 tree-sitter-rust = "0.19.0"

zed/src/lib.rs

@@ -1,8 +1,9 @@
-use anyhow::{anyhow, Context};
-use gpui::MutableAppContext;
+use anyhow::{anyhow, Context, Result};
+use gpui::{AsyncAppContext, MutableAppContext, Task};
 use smol::io::{AsyncBufReadExt, AsyncWriteExt};
 use std::convert::TryFrom;
 use url::Url;
+use util::SurfResultExt;
 
 pub mod assets;
 pub mod editor;
@@ -26,16 +27,52 @@ pub struct AppState {
 }
 
 pub fn init(cx: &mut MutableAppContext) {
-    cx.add_global_action("app:authenticate", authenticate);
+    cx.add_global_action("app:share_worktree", share_worktree);
     cx.add_global_action("app:quit", quit);
 }
 
-fn authenticate(_: &(), cx: &mut MutableAppContext) {
+fn share_worktree(_: &(), cx: &mut MutableAppContext) {
     let zed_url = std::env::var("ZED_SERVER_URL").unwrap_or("https://zed.dev".to_string());
-    let platform = cx.platform().clone();
+    cx.spawn::<_, _, surf::Result<()>>(|cx| async move {
+        let (user_id, access_token) = login(zed_url.clone(), cx).await?;
 
-    cx.background_executor()
-        .spawn(async move {
+        let mut response = surf::post(format!("{}/api/worktrees", &zed_url))
+            .header(
+                "Authorization",
+                http_auth_basic::Credentials::new(&user_id, &access_token).as_http_header(),
+            )
+            .await
+            .context("")?;
+
+        let body = response
+            .body_json::<zed_rpc::rest::CreateWorktreeResponse>()
+            .await?;
+
+        // TODO - If the `ZED_SERVER_URL` uses https, then wrap this stream in
+        // a TLS stream using `native-tls`.
+        let stream = smol::net::TcpStream::connect(body.rpc_address).await?;
+
+        let mut message_stream = zed_rpc::proto::MessageStream::new(stream);
+        message_stream
+            .write_message(&zed_rpc::proto::FromClient {
+                id: 0,
+                variant: Some(zed_rpc::proto::from_client::Variant::Auth(
+                    zed_rpc::proto::from_client::Auth {
+                        user_id: user_id.parse::<i32>()?,
+                        access_token,
+                    },
+                )),
+            })
+            .await?;
+
+        Ok(())
+    })
+    .detach();
+}
+
+fn login(zed_url: String, cx: AsyncAppContext) -> Task<Result<(String, String)>> {
+    let platform = cx.platform();
+    cx.background_executor().spawn(async move {
         if let Some((user_id, access_token)) = platform.read_credentials(&zed_url) {
             log::info!("already signed in. user_id: {}", user_id);
             return Ok((user_id, String::from_utf8(access_token).unwrap()));
@@ -113,7 +150,6 @@ fn authenticate(_: &(), cx: &mut MutableAppContext) {
 
         Ok((user_id.to_string(), access_token))
     })
-        .detach();
 }
 
 fn quit(_: &(), cx: &mut MutableAppContext) {

zed/src/menus.rs

@@ -15,9 +15,9 @@ pub fn menus(state: AppState) -> Vec<Menu<'static>> {
                 },
                 MenuItem::Separator,
                 MenuItem::Action {
-                    name: "Log In",
+                    name: "Share",
                     keystroke: None,
-                    action: "app:authenticate",
+                    action: "app:share_worktree",
                     arg: None,
                 },
                 MenuItem::Action {

zed/src/util.rs

@@ -106,3 +106,33 @@ mod tests {
         assert_eq!(vec, &[1000, 101, 21, 19, 17, 13, 9, 8]);
     }
 }
+
+// Allow surf Results to accept context like other Results do when
+// using anyhow.
+pub trait SurfResultExt {
+    fn context<C>(self, cx: C) -> Self
+    where
+        C: std::fmt::Display + Send + Sync + 'static;
+
+    fn with_context<C, F>(self, f: F) -> Self
+    where
+        C: std::fmt::Display + Send + Sync + 'static,
+        F: FnOnce() -> C;
+}
+
+impl<T> SurfResultExt for surf::Result<T> {
+    fn context<C>(self, cx: C) -> Self
+    where
+        C: std::fmt::Display + Send + Sync + 'static,
+    {
+        self.map_err(|e| surf::Error::new(e.status(), e.into_inner().context(cx)))
+    }
+
+    fn with_context<C, F>(self, f: F) -> Self
+    where
+        C: std::fmt::Display + Send + Sync + 'static,
+        F: FnOnce() -> C,
+    {
+        self.map_err(|e| surf::Error::new(e.status(), e.into_inner().context(f())))
+    }
+}