mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-26 08:20:58 +01:00
32 lines
685 B
PHP
32 lines
685 B
PHP
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<?php
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include 'inc/functions.php';
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header("Pragma-directive: no-cache");
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header("Cache-directive: no-cache");
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header("Cache-control: no-cache");
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header("Pragma: no-cache");
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header("Expires: 0");
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if (!isset($_GET['board'])) {
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header("Location: static/8chan banner.png");
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die();
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}
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$b = $_GET['board'];
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if (!preg_match('/^[a-z0-9]{1,10}$/', $b))
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header("Location: static/8chan banner.png");
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$dir = 'static/banners/'.$b;
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if (is_dir($dir)) {
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$banners = array_diff(scandir($dir), array('..', '.'));
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$r = array_rand($banners);
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} else {
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$banners = array();
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}
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if (!empty($banners)) {
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header("Location: $dir/{$banners[$r]}");
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} else {
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header("Location: static/8chan banner.png");
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}
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