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Fix PHP 8.1 "strlen(null)" exception in PhutilOpaqueEnvelope.php

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Summary:
This change fixes a RuntimeException for passing null to strlen() when setting up the DB host parameter

Closes T15260

Test Plan: I was able to run "./bin/config set mysql.host "localhost"" successfully

Reviewers: O1 Blessed Committers, avivey

Reviewed By: O1 Blessed Committers, avivey

Subscribers: Ekubischta, goddenrich, Dylsss, speck, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Maniphest Tasks: T15260

Differential Revision: https://we.phorge.it/D25129
This commit is contained in:
Andre Klapper 2023-04-25 15:39:38 +02:00
parent ca5f5cd152
commit 82d1abd4ed
1 changed files with 6 additions and 4 deletions
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2
src/error/PhutilOpaqueEnvelope.php
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@ -60,12 +60,14 @@ final class PhutilOpaqueEnvelope extends Phobject {
*/ */
private function mask($string, $noise) { private function mask($string, $noise) {
$result = ''; $result = '';
if (phutil_nonempty_string($string)) {
for ($ii = 0; $ii < strlen($string); $ii++) { for ($ii = 0; $ii < strlen($string); $ii++) {
$s = $string[$ii]; $s = $string[$ii];
$n = $noise[$ii % strlen($noise)]; $n = $noise[$ii % strlen($noise)];
$result .= chr(ord($s) ^ ord($n)); $result .= chr(ord($s) ^ ord($n));
} }
}
return $result; return $result;
} }