<?php // configuration variables $min_manaplus = '1.3.6.9'; // utility functions function failure_headers() { header('HTTP/1.0 403 Upgrade your client'); common_headers(); } function common_headers() { header('Content-type: text/plain'); header('Cache-Control: no-store, no-cache, must-revalidate'); header('Cache-Control: post-check=0, pre-check=0', false); header('Pragma: no-cache'); } function starts_with($haystack, $needle) { // avoid allocation return strpos($haystack, $needle, 0) === 0; } function record_version($agent) { $file = 'versions/' . date('Y-m-d') . '.txt'; // is touching this really needed? touch($file); file_put_contents($file, '[' . date('H:i') . "] $agent\n", FILE_APPEND); } // response functions function handle_tmw($agent) { failure_headers(); echo "##1 The client you're using is really old!\n", "##1 Please upgrade to the ManaPlus client.\n", "##1 http://manaplus.org/\n", "##1 TMW Staff\n \n"; } function handle_mana($agent) { failure_headers(); echo "##1 The client you're using is no longer\n". "##1 supported! Please upgrade to ManaPlus\n". "##1 http://manaplus.org/\n \n". "##1 TMW Staff\n \n"; } function handle_manaplus($agent, $min_version) { $version_pos = strpos($agent, '4144 v') + 6; $version_end = strpos($agent, ')', $version_pos); $agent_version = substr($agent, $version_pos, $version_end - $version_pos); if (version_compare($agent_version, $min_version) < 0) { failure_headers(); echo "##1 The client you're using is no longer\n", "##1 supported! Please upgrade to $min_version or\n", "##1 higher!\n \n", "##1 TMW Staff\n \n"; } else { common_headers(); } } function handle_other($agent) { common_headers(); echo "##1 I have no clue what client you're using. Good luck!\n"; } function handle_browser($agent) { common_headers(); echo "##1 It looks like this is a web browser, not a game client\n"; } // main body $agent = $_SERVER['HTTP_USER_AGENT']; if (starts_with($agent, 'TMW')) { handle_tmw($agent); record_version($agent); } else if (starts_with($agent, 'Mana')) { if (starts_with($agent, 'ManaPlus')) { handle_manaplus($agent, $min_manaplus); } else if (starts_with($agent, 'Mana/')) { handle_mana($agent); } else { handle_other($agent); } record_version($agent); } else { handle_browser($agent); } echo "##7 TMW Staff will never ask you for your password.\n"; echo "##7 Anyone doing so is trying to scam you.\n \n"; print file_get_contents('news.txt'); ?>