diff options
| -rw-r--r-- | world/map/news.php | 124 |
1 files changed, 107 insertions, 17 deletions
diff --git a/world/map/news.php b/world/map/news.php index d5208e44..398395b5 100644 --- a/world/map/news.php +++ b/world/map/news.php @@ -1,40 +1,130 @@ <?php -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"); -$agent = $_SERVER['HTTP_USER_AGENT']; +// configuration variables +$min_version = '0.5.1'; +$min_manaplus = '1.1.2.20'; +$cur_version = '0.6.1'; + +// utility functions +function failure_headers() +{ + header('HTTP/1.0 403 Forbidden'); + 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'); +} -if (substr($agent, 0, 3) == "TMW" || substr($agent, 0, 4) == "Mana") +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') . "] $agent\n", FILE_APPEND); } -$min_version = '0.5.0'; -$cur_version = '0.6.1'; - -if (substr($agent, 0, 3) == "TMW") +// response functions +function handle_tmw($agent) { + failure_headers(); echo "##1 The client you're using is really old!\n", "##1 Please upgrade to a Mana or ManaPlus client.\n", "##1 TMW Staff\n \n"; } -if (substr($agent, 0, 5) == "Mana/" - and $agent < 'Mana/' . $min_version) +function handle_mana($agent, $min_version) { - echo "##1 The client you're using is no longer\n". - "##1 supported! Please upgrade to $min_version or\n". - "##1 higher, or use ManaPlus!\n \n". - "##1 TMW Staff\n \n"; + $version_pos = 5; + $version_end = strpos($agent, ' '); + $agent_version = substr($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 $min_version or\n". + "##1 higher, or use ManaPlus!\n \n". + "##1 TMW Staff\n \n"; + } + else + { + common_headers(); + } +} + +function handle_manaplus($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, $min_version); + } + else + { + handle_other($agent); + } + record_version($agent); +} +else +{ + handle_browser($agent); } echo "##9 Latest client version: ##6$cur_version\n \n"; 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"); +print file_get_contents('news.txt'); ?> |