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44 lines
1.1 KiB
PHP
44 lines
1.1 KiB
PHP
<?
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//Useful: http://www.robtex.com/cnet/
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$AllowedProxies = array(
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//Opera Turbo (may include Opera-owned IP addresses that aren't used for Turbo, but shouldn't run much risk of exploitation)
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'64.255.180.*', //Norway
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'64.255.164.*', //Norway
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'80.239.242.*', //Poland
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'80.239.243.*', //Poland
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'91.203.96.*', //Norway
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'94.246.126.*', //Norway
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'94.246.127.*', //Norway
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'195.189.142.*', //Norway
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'195.189.143.*', //Norway
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);
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function proxyCheck($IP) {
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global $AllowedProxies;
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for ($i = 0, $il = count($AllowedProxies); $i < $il; ++$i) {
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//based on the wildcard principle it should never be shorter
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if (strlen($IP) < strlen($AllowedProxies[$i])) {
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continue;
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}
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//since we're matching bit for bit iterating from the start
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for ($j = 0, $jl = strlen($IP); $j < $jl; ++$j) {
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//completed iteration and no inequality
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if ($j == $jl - 1 && $IP[$j] === $AllowedProxies[$i][$j]) {
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return true;
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}
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//wildcard
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if ($AllowedProxies[$i][$j] === '*') {
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return true;
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}
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//inequality found
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if ($IP[$j] !== $AllowedProxies[$i][$j]) {
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break;
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}
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}
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}
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return false;
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}
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