Can get current user identity

src/server/api/account.rs

@@ -0,0 +1,23 @@
+use crate::extractors::client_auth::APIClientAuth;
+use crate::server::HttpResult;
+use actix_web::HttpResponse;
+use ruma::api::client::account;
+use ruma::DeviceId;
+
+#[derive(serde::Serialize)]
+struct WhoAmIResponse {
+    user_id: String,
+    device_id: Option<String>,
+}
+
+/// Get current user identity
+pub async fn who_am_i(auth: APIClientAuth) -> HttpResult {
+    let res = auth
+        .send_request(account::whoami::v3::Request::default())
+        .await?;
+
+    Ok(HttpResponse::Ok().json(WhoAmIResponse {
+        user_id: res.user_id.to_string(),
+        device_id: res.device_id.as_deref().map(DeviceId::to_string),
+    }))
+}

src/server/api/mod.rs

@@ -0,0 +1,10 @@
+use crate::extractors::client_auth::APIClientAuth;
+use crate::server::HttpResult;
+use actix_web::HttpResponse;
+
+pub mod account;
+
+/// API Home route
+pub async fn api_home(auth: APIClientAuth) -> HttpResult {
+    Ok(HttpResponse::Ok().body(format!("Welcome user {}!", auth.user.user_id.0)))
+}