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[stable28] fix(Request): Catch exceptions in isTrustedProxy #43192

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Merged
susnux merged 1 commit into from
Feb 1, 2024
Merged

[stable28] fix(Request): Catch exceptions in isTrustedProxy #43192

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9 changes: 8 additions & 1 deletion lib/private/AppFramework/Http/Request.php
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Original file line number Diff line number Diff line change
Expand Up @@ -573,7 +573,14 @@ public function getId(): string {
* @return boolean true if $remoteAddress matches any entry in $trustedProxies, false otherwise
*/
protected function isTrustedProxy($trustedProxies, $remoteAddress) {
return IpUtils::checkIp($remoteAddress, $trustedProxies);
try {
return IpUtils::checkIp($remoteAddress, $trustedProxies);
} catch (\Throwable) {
// We can not log to our log here as the logger is using `getRemoteAddress` which uses the function, so we would have a cyclic dependency
// Reaching this line means `trustedProxies` is in invalid format.
error_log('Nextcloud trustedProxies has malformed entries');
return false;
}
}

/**
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