feat: Add endpoints required for API-based takedowns and room bans

src/api/admin/rooms/list.rs

@@ -0,0 +1,35 @@
+use axum::extract::State;
+use conduwuit::{Err, Result};
+use futures::StreamExt;
+use ruma::{OwnedRoomId, continuwuity_admin_api::rooms};
+
+use crate::Ruma;
+
+/// # `GET /_continuwuity/admin/rooms/list`
+///
+/// Lists all rooms known to this server, excluding banned ones.
+pub(crate) async fn list_rooms(
+	State(services): State<crate::State>,
+	body: Ruma<rooms::list::v1::Request>,
+) -> Result<rooms::list::v1::Response> {
+	let sender_user = body.sender_user();
+	if !services.users.is_admin(sender_user).await {
+		return Err!(Request(Forbidden("Only server administrators can use this endpoint")));
+	}
+
+	let mut rooms: Vec<OwnedRoomId> = services
+		.rooms
+		.metadata
+		.iter_ids()
+		.filter_map(|room_id| async move {
+			if !services.rooms.metadata.is_banned(room_id).await {
+				Some(room_id.to_owned())
+			} else {
+				None
+			}
+		})
+		.collect()
+		.await;
+	rooms.sort();
+	Ok(rooms::list::v1::Response::new(rooms))
+}