From 14333f2dd829593a0d3c578ccdd23693ab04a3ef Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sat, 7 Jul 2018 22:27:19 +0200
Subject: [PATCH] login/list: retrieve optional user data on demand

Generic interface to run methods for missing variables.
Provides delay and caching to prevent unnecessary disk access.
---
 auth.inc.php   | 10 ++++++++++
 login/list.php |  4 +---
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/auth.inc.php b/auth.inc.php
index e4e8bb9..af02ec3 100644
--- a/auth.inc.php
+++ b/auth.inc.php
@@ -8,6 +8,16 @@ class User
 		$this->dir = $dir;
 		$this->login = basename($dir);
 	}
+
+	function __get($col)
+	{
+		return $this->$col = $this->$col();  # run method and cache
+	}
+
+	function name()
+	{
+		return @file_get_contents("{$this->dir}/name.txt");
+	}
 }
 
 function login_password_verify($input, $test)
diff --git a/login/list.php b/login/list.php
index 86e8daf..eee2dc5 100644
--- a/login/list.php
+++ b/login/list.php
@@ -5,9 +5,7 @@ $users = glob("$basepath/*/");
 if (!$users) return;
 
 foreach ($users as $col => $userdir) {
-	$user = new User($userdir);
-	$user->name = @file_get_contents("{$user->dir}/name.txt");
-	$users[$col] = $user;
+	$users[$col] = new User($userdir);
 }
 
 print '<ul class="gallery cat">';
-- 
2.30.0