Add webclient redirection rule for /@username routes

CHANGELOG.md

@@ -13,6 +13,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 
 - Make webclient-to-object redirects work for remote profiles and posts.
+- Added webclient redirection rule for `/@username` routes.
 
 ## [1.17.0] - 2023-03-15
 

src/main.rs

@@ -175,6 +175,7 @@ async fn main() -> std::io::Result<()> {
             .service(nodeinfo::get_nodeinfo_2_0)
             .service(nodeinfo::get_nodeinfo_2_1)
             .service(web_client::profile_page_redirect())
+            .service(web_client::profile_acct_page_redirect())
             .service(web_client::post_page_redirect())
             .service(
                 // Fallback for well-known paths

src/web_client/views.rs

@@ -20,7 +20,7 @@ use crate::database::{get_database_client, DbPool};
 use crate::errors::HttpError;
 use crate::models::{
     posts::queries::get_post_by_id,
-    profiles::queries::get_profile_by_id,
+    profiles::queries::{get_profile_by_acct, get_profile_by_id},
 };
 
 pub fn static_service(web_client_dir: &Path) -> Files {
@@ -44,6 +44,7 @@ pub fn static_service(web_client_dir: &Path) -> Files {
         }))
 }
 
+// DEPRECATED
 async fn profile_page_redirect_view(
     config: web::Data<Config>,
     db_pool: web::Data<DbPool>,
@@ -66,6 +67,28 @@ pub fn profile_page_redirect() -> Resource {
         .route(web::get().to(profile_page_redirect_view))
 }
 
+async fn profile_acct_page_redirect_view(
+    config: web::Data<Config>,
+    db_pool: web::Data<DbPool>,
+    acct: web::Path<String>,
+) -> Result<HttpResponse, HttpError> {
+    let db_client = &**get_database_client(&db_pool).await?;
+    let profile = get_profile_by_acct(db_client, &acct).await?;
+    let actor_id = profile.actor_id(&config.instance_url());
+    let response = HttpResponse::Found()
+        .append_header(("Location", actor_id))
+        .finish();
+    Ok(response)
+}
+
+pub fn profile_acct_page_redirect() -> Resource {
+    web::resource("/@{acct}")
+        .guard(guard::fn_guard(|ctx| {
+            is_activitypub_request(ctx.head().headers())
+        }))
+        .route(web::get().to(profile_acct_page_redirect_view))
+}
+
 async fn post_page_redirect_view(
     config: web::Data<Config>,
     db_pool: web::Data<DbPool>,