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Get user real IP when running BOCA with a reverse proxy #39

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Get user real IP when running BOCA with a reverse proxy #39

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738b00b
Update globals.php
rlaiola Sep 30, 2023
e072827
Merge branch 'cassiopc:master' into fix_getip_proxy
rlaiola Mar 21, 2024
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16 changes: 14 additions & 2 deletions src/globals.php
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Original file line number Diff line number Diff line change
Expand Up @@ -255,8 +255,20 @@ function getFunctionName($num=2) {
}

function getIP() {
if (getenv("REMOTE_ADDR"))
$ip = getenv("REMOTE_ADDR");
if (getenv("REMOTE_ADDR")) {
// Create an array of trusted reverse proxies set via env variable
if (getenv("BOCA_TRUSTED_PROXIES"))
$proxies = explode(",", getenv("BOCA_TRUSTED_PROXIES"));

// Check whether REMOTE_ADDR is actually the IP of a trusted proxy
if ($proxies &&
in_array(getenv("REMOTE_ADDR"), $proxies) &&
getenv("HTTP_X_FORWARDED_FOR"))
// If so, BOCA might be behind a proxy server (e.g., Traefik) in which
// case the proxy may have set the $_SERVER['HTTP_X_FORWARDED_FOR'].
$ip = getenv("HTTP_X_FORWARDED_FOR");
else $ip = getenv("REMOTE_ADDR");
}
else
return "UNKNOWN";
if(defined("dbcompat_1_4_1") && dbcompat_1_4_1==true) return $ip;
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