- Strings::isHex() should not be misused for checking on NULL
This commit is contained in:
Roland Häder 2022-06-20 08:25:17 +02:00
parent 6743de63f5
commit e5cc7a5ab1
No known key found for this signature in database
GPG key ID: C82EDE5DDFA0BA77
2 changed files with 6 additions and 10 deletions

View file

@ -187,7 +187,7 @@ function photos_post(App $a)
}
if (DI::args()->getArgc() > 3 && DI::args()->getArgv()[2] === 'album') {
if (!Strings::isHex(DI::args()->getArgv()[3])) {
if (!Strings::isHex(DI::args()->getArgv()[3] ?? '')) {
DI::baseUrl()->redirect('photos/' . $user['nickname'] . '/album');
}
$album = hex2bin(DI::args()->getArgv()[3]);
@ -892,7 +892,7 @@ function photos_content(App $a)
return;
}
$selname = Strings::isHex($datum) ? hex2bin($datum) : '';
$selname = (!is_null($datum) && Strings::isHex($datum)) ? hex2bin($datum) : '';
$albumselect = '';
@ -954,7 +954,7 @@ function photos_content(App $a)
// Display a single photo album
if ($datatype === 'album') {
// if $datum is not a valid hex, redirect to the default page
if (!Strings::isHex($datum)) {
if (is_null($datum) || !Strings::isHex($datum)) {
DI::baseUrl()->redirect('photos/' . $user['nickname']. '/album');
}
$album = hex2bin($datum);

View file

@ -113,22 +113,18 @@ class StringsTest extends TestCase
'input' => '',
'valid' => false,
],
'nullHex' => [
'input' => null,
'valid' => false,
],
];
}
/**
* Tests if the string is a valid hexadecimal value
*
* @param string|null $input
* @param bool $valid
* @param string $input
* @param bool $valid
*
* @dataProvider dataIsHex
*/
public function testIsHex(string $input = null, bool $valid = false)
public function testIsHex(string $input = '', bool $valid = false)
{
self::assertEquals($valid, Strings::isHex($input));
}