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Merge pull request #1222 from itflow-org/functions-ip-addr-leftmost 

Update how functions.php gets the remote IP address for logging
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Johnny 2025-06-11 14:01:12 -04:00 committed by GitHub
parent 8745d09890 4e0252553a
commit 8aa41edc3e
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1 changed files with 11 additions and 7 deletions
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18
functions.php
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@ -77,17 +77,21 @@ function getUserAgent() {
}
function getIP() {
if (defined("CONST_GET_IP_METHOD")) {
if (CONST_GET_IP_METHOD == "HTTP_X_FORWARDED_FOR") {
$ip = getenv('HTTP_X_FORWARDED_FOR');
} else {
$ip = $_SERVER["HTTP_CF_CONNECTING_IP"] ?? $_SERVER['REMOTE_ADDR'];
}
} else {
// Default way to get IP
$ip = $_SERVER['REMOTE_ADDR'];
// Allow overrides via config.php in-case we use a proxy - https://docs.itflow.org/config_php
if (defined("CONST_GET_IP_METHOD") && CONST_GET_IP_METHOD == "HTTP_X_FORWARDED_FOR") {
$ip = explode(',', getenv('HTTP_X_FORWARDED_FOR'))[0] ?? $_SERVER['REMOTE_ADDR'];
} elseif (defined("CONST_GET_IP_METHOD") && CONST_GET_IP_METHOD == "HTTP_CF_CONNECTING_IP") {
$ip = $_SERVER["HTTP_CF_CONNECTING_IP"] ?? $_SERVER['REMOTE_ADDR'];
}
// Abort if something isn't right
if (!filter_var($ip, FILTER_VALIDATE_IP)) {
error_log("ITFlow - Could not validate remote IP address");
error_log("ITFlow - IP was [$ip] using method " . CONST_GET_IP_METHOD);
exit("Potential Security Violation");
}