ircd:Ⓜ️:rooms: Add requesting user_id/node_id to query opts for access ctrl.

include/ircd/m/rooms.h

@@ -83,6 +83,14 @@ struct ircd::m::rooms::opts
 	/// Specify prefetching to increase iteration performance.
 	size_t prefetch {0};
 
+	/// Pass the c2s user_id making the request to determine access to features
+	/// and visibility of results. Note the endpoint does not require auth.
+	string_view request_user_id;
+
+	/// Pass the s2s server making the request to determine access to features
+	/// and visibility of results.
+	string_view request_node_id;
+
 	opts() = default;
 	opts(const string_view &search_term) noexcept; // special
 };

modules/client/publicrooms.cc

@@ -133,7 +133,7 @@ get__publicrooms(client &client,
 	opts.search_term = search_term;
 	opts.lower_bound = true;
 	opts.room_id = since;
-
+	opts.request_user_id = request.user_id;
 	if(m::valid(m::id::USER, search_term))
 		opts.user_id = search_term;
 

modules/federation/publicrooms.cc

@@ -113,6 +113,7 @@ handle_get(client &client,
 	opts.lower_bound = true;
 	opts.room_id = since;
 	opts.search_term = search_term;
+	opts.request_node_id = request.node_id;
 
 	size_t count{0};
 	m::room::id::buf prev_batch_buf;