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Move worktree sharing down into Workspace

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This will make it easier to pick a worktree and give it an `RpcClient`.
This commit is contained in:
Antonio Scandurra 2021-06-15 15:14:17 +02:00
parent 7b96888ab1
commit 3e391c0785
4 changed files with 152 additions and 149 deletions
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149
zed/src/lib.rs
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@ -1,12 +1,3 @@
use anyhow::{anyhow, Context, Result};
use gpui::{AsyncAppContext, MutableAppContext, Task};
use rpc_client::RpcClient;
use std::{convert::TryFrom, time::Duration};
use tiny_http::{Header, Response, Server};
use url::Url;
use util::SurfResultExt;
use zed_rpc::{proto, rest::CreateWorktreeResponse};
pub mod assets;
pub mod editor;
pub mod file_finder;
@ -29,146 +20,10 @@ pub struct AppState {
pub language_registry: std::sync::Arc<language::LanguageRegistry>,
}
pub fn init(cx: &mut MutableAppContext) {
cx.add_global_action("app:share_worktree", share_worktree);
pub fn init(cx: &mut gpui::MutableAppContext) {
cx.add_global_action("app:quit", quit);
}
fn share_worktree(_: &(), cx: &mut MutableAppContext) {
let zed_url = std::env::var("ZED_SERVER_URL").unwrap_or("https://zed.dev".to_string());
let executor = cx.background_executor().clone();
let task = cx.spawn::<_, _, surf::Result<()>>(|cx| async move {
let (user_id, access_token) = login(zed_url.clone(), &cx).await?;
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 CreateWorktreeResponse {
worktree_id,
rpc_address,
} = response.body_json().await?;
eprintln!("got worktree response: {:?} {:?}", worktree_id, rpc_address);
// 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(rpc_address).await?;
let rpc_client = RpcClient::new(stream, executor);
let auth_response = rpc_client
.request(proto::from_client::Auth {
user_id: user_id.parse::<i32>()?,
access_token,
})
.await?;
if !auth_response.credentials_valid {
Err(anyhow!("failed to authenticate with RPC server"))?;
}
let share_response = rpc_client
.request(proto::from_client::ShareWorktree {
worktree_id: worktree_id as u64,
files: Vec::new(),
})
.await?;
log::info!("sharing worktree {:?}", share_response);
Ok(())
});
cx.spawn(|_| async move {
if let Err(e) = task.await {
log::error!("sharing failed: {}", e);
}
})
.detach();
}
fn login(zed_url: String, cx: &AsyncAppContext) -> Task<Result<(String, String)>> {
let platform = cx.platform();
let executor = cx.background_executor();
executor.clone().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()));
}
// Generate a pair of asymmetric encryption keys. The public key will be used by the
// zed server to encrypt the user's access token, so that it can'be intercepted by
// any other app running on the user's device.
let (public_key, private_key) =
zed_rpc::auth::keypair().expect("failed to generate keypair for auth");
let public_key_string =
String::try_from(public_key).expect("failed to serialize public key for auth");
// Start an HTTP server to receive the redirect from Zed's sign-in page.
let server = Server::http("127.0.0.1:0").expect("failed to find open port");
let port = server.server_addr().port();
// Open the Zed sign-in page in the user's browser, with query parameters that indicate
// that the user is signing in from a Zed app running on the same device.
platform.open_url(&format!(
"{}/sign_in?native_app_port={}&native_app_public_key={}",
zed_url, port, public_key_string
));
// Receive the HTTP request from the user's browser. Retrieve the user id and encrypted
// access token from the query params.
//
// TODO - Avoid ever starting more than one HTTP server. Maybe switch to using a
// custom URL scheme instead of this local HTTP server.
let (user_id, access_token) = executor
.spawn::<anyhow::Result<_>, _>(async move {
if let Some(req) = server.recv_timeout(Duration::from_secs(10 * 60))? {
let path = req.url();
let mut user_id = None;
let mut access_token = None;
let url = Url::parse(&format!("http://example.com{}", path))
.context("failed to parse login notification url")?;
for (key, value) in url.query_pairs() {
if key == "access_token" {
access_token = Some(value.to_string());
} else if key == "user_id" {
user_id = Some(value.to_string());
}
}
req.respond(
Response::from_string(LOGIN_RESPONSE)
.with_header(Header::from_bytes("Content-Type", "text/html").unwrap()),
)
.context("failed to respond to login http request")?;
Ok(user_id.zip(access_token))
} else {
Ok(None)
}
})
.await?
.ok_or_else(|| anyhow!(""))?;
let access_token = private_key
.decrypt_string(&access_token)
.context("failed to decrypt access token")?;
platform.activate(true);
platform.write_credentials(&zed_url, &user_id, access_token.as_bytes());
Ok((user_id.to_string(), access_token))
})
}
fn quit(_: &(), cx: &mut MutableAppContext) {
fn quit(_: &(), cx: &mut gpui::MutableAppContext) {
cx.platform().quit();
}
const LOGIN_RESPONSE: &'static str = "
<!DOCTYPE html>
<html>
<script>window.close();</script>
</html>
";