community: the encrypted inbox, friend requests and shares travel sealed to a box key when the other side has published one

src-tauri/src/slsk_link.rs

@@ -293,6 +293,22 @@ pub(crate) fn remember(app: &tauri::AppHandle, link: KnownLink) {
     let _ = save(app, &links);
 }
 
+/// The Soulseek account a verified persona key belongs to, if this device
+/// verified one (our own included).
+pub(crate) fn username_for_key(app: &tauri::AppHandle, persona_key: &str) -> Option<String> {
+    let links = load(app);
+    if let Some(o) = &links.own {
+        if o.persona_key == persona_key {
+            return Some(o.username.clone());
+        }
+    }
+    links
+        .others
+        .values()
+        .find(|l| l.persona_key == persona_key)
+        .map(|l| l.username.clone())
+}
+
 // ---------------------------------------------------------------- commands
 
 #[tauri::command]