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Preventing all CSRF

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myvesta 2021-08-15 14:53:16 +02:00 • committed by GitHub
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13
web/inc/secure_login.php
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@ -49,3 +49,16 @@ if ($skip_login_url_check==0) {
} }
} }
} }
// Preventing all CSRF
if ($skip_login_url_check==0) {
if ($_SERVER['REQUEST_METHOD']=='POST') {
$host_arr=explode(":", $_SERVER['HTTP_HOST']);
$hostname=$host_arr[0];
$port = $_SERVER['SERVER_PORT'];
$expected_http_origin="https://".$hostname.":".$port;
if ($_SERVER['HTTP_ORIGIN'] != $expected_http_origin) {
die ("Nope.");
}
}
}