48 lines
1.1 KiB
Nix
48 lines
1.1 KiB
Nix
{ pkgs
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}:
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{ debug ? false
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}:
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pkgs.writeText "normalize-headers.php" (''
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<?php
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$trustedProxies = array(
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'127.0.0.1',
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'@'
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);
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# phpinfo(INFO_VARIABLES);
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if (isSet($_SERVER['REMOTE_ADDR'])) {
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$remote = $_SERVER['REMOTE_ADDR'];
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$allowedHeaders = array(
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'HTTP_X_FORWARDED_FOR' => 'REMOTE_ADDR',
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'HTTP_X_REAL_IP' => 'REMOTE_HOST',
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'HTTP_X_FORWARDED_PORT' => 'REMOTE_PORT',
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'HTTP_X_FORWARDED_HTTPS' => 'HTTPS',
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'HTTP_X_FORWARDED_SERVER_ADDR' => 'SERVER_ADDR',
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'HTTP_X_FORWARDED_SERVER_NAME' => 'SERVER_NAME',
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'HTTP_X_FORWARDED_SERVER_PORT' => 'SERVER_PORT',
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'HTTP_X_FORWARDED_PREFERRED_USERNAME' => 'REMOTE_USER',
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);
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if(in_array($remote, $trustedProxies)) {
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foreach($allowedHeaders as $header => $serverVar) {
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if(isSet($_SERVER[$header])) {
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if(isSet($_SERVER[$serverVar])) {
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$_SERVER["ORIGINAL_$serverVar"] = $_SERVER[$serverVar];
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}
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$_SERVER[$serverVar] = explode(',', $_SERVER[$header], 2)[0];
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}
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}
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}
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}
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'' + (if !debug then "" else ''
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trigger_error(print_r($_SERVER, true), E_USER_WARNING);
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'')
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)
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