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handle edge cases with file locking: file needs to exist before it can be locked, fixes #803

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El RIDO 2021-06-05 05:48:17 +02:00
parent ffe48092fe
commit edb8e5e078
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GPG Key ID: 0F5C940A6BD81F92
1 changed files with 19 additions and 9 deletions
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28
lib/Persistence/AbstractPersistence.php
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@ -90,12 +90,15 @@ abstract class AbstractPersistence
}
$file = self::$_path . DIRECTORY_SEPARATOR . '.htaccess';
if (!is_file($file)) {
$writtenBytes = @file_put_contents(
$file,
'Require all denied' . PHP_EOL,
LOCK_EX
);
if ($writtenBytes === false || $writtenBytes < 19) {
$writtenBytes = 0;
if ($fileCreated = @touch($file)) {
$writtenBytes = @file_put_contents(
$file,
'Require all denied' . PHP_EOL,
LOCK_EX
);
}
if ($fileCreated === false || $writtenBytes === false || $writtenBytes < 19) {
throw new Exception('unable to write to file ' . $file, 11);
}
}
@ -114,9 +117,16 @@ abstract class AbstractPersistence
protected static function _store($filename, $data)
{
self::_initialize();
$file = self::$_path . DIRECTORY_SEPARATOR . $filename;
$writtenBytes = @file_put_contents($file, $data, LOCK_EX);
if ($writtenBytes === false || $writtenBytes < strlen($data)) {
$file = self::$_path . DIRECTORY_SEPARATOR . $filename;
$fileCreated = true;
$writtenBytes = 0;
if (!is_file($file)) {
$fileCreated = @touch($file);
}
if ($fileCreated) {
$writtenBytes = @file_put_contents($file, $data, LOCK_EX);
}
if ($fileCreated === false || $writtenBytes === false || $writtenBytes < strlen($data)) {
throw new Exception('unable to write to file ' . $file, 13);
}
@chmod($file, 0640); // protect file access