mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-05 17:51:40 +09:00
89 lines
1.9 KiB
PHP
89 lines
1.9 KiB
PHP
<?php
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/**
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* Do not allow execution over the web.
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*/
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if (PHP_SAPI !== 'cli')
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{
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exit(1);
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}
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/**
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* Download the latest IPv4 data from libkrisp.
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*/
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$download_url = 'https://mirror.oops.org/pub/oops/libkrisp/data/v2/krisp.csv.gz';
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$referer_url = 'https://mirror.oops.org/pub/oops/libkrisp/data/v2/';
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$content = file_get_contents($download_url, false, stream_context_create(array(
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'http' => array(
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'user_agent' => 'Mozilla/5.0 (compatible; IP range generator)',
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'header' => 'Referer: ' . $referer_url . "\r\n",
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),
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)));
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$content = gzdecode($content);
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if (!$content)
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{
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exit(2);
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}
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/**
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* Load IP range data.
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*/
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$ranges = array();
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$content = explode("\n", $content);
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foreach ($content as $line)
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{
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$line = explode("\t", $line);
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if (count($line) < 2) continue;
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$start = trim($line[0]);
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$end = trim($line[1]);
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$ranges[$start] = array($start, $end);
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}
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/**
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* Sort the ranges.
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*/
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ksort($ranges);
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$ranges = array_values($ranges);
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$count = count($ranges);
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/**
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* Merge adjacent ranges.
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*/
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for ($i = 0; $i < $count; $i++)
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{
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if ($i == 0) continue;
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$previous_i = $i - 1;
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while (true)
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{
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if ($ranges[$previous_i] !== null) break;
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$previous_i--;
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}
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if ($ranges[$i][0] == $ranges[$previous_i][1] + 1)
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{
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$ranges[$previous_i][1] = $ranges[$i][1];
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$ranges[$i] = null;
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}
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}
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/**
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* Organize into final format.
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*/
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$ranges_final = array();
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foreach ($ranges as $range)
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{
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if ($range !== null) $ranges_final[] = $range;
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}
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/**
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* Save to file.
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*/
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$content = '<' . '?php' . "\n\n" . '/**' . "\n" . ' * Source: ' . $referer_url . "\n";
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$content .= ' * Last Updated: ' . date('Y-m-d') . "\n" . ' */' . "\n";
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$content .= 'return ' . var_export($ranges_final, true) . ';' . "\n";
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file_put_contents(__DIR__ . '/../../common/defaults/korea.ipv4.php', $content);
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/**
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* Report status.
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*/
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echo count($ranges_final) . ' IPv4 ranges saved.' . PHP_EOL;
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