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moved glob iterator pattern to const, documentation

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El RIDO 2022-11-18 05:36:06 +01:00
parent 02a7be4673
commit 07bc3285aa
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GPG key ID: 0F5C940A6BD81F92
1 changed files with 22 additions and 11 deletions
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33
lib/Data/Filesystem.php
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@ -22,6 +22,22 @@ use PrivateBin\Json;
*/
class Filesystem extends AbstractData
{
/**
* glob() pattern of the two folder levels and the paste files under the
* configured path. Needs to return both files with and without .php suffix,
* so they can be hardened by _prependRename(), which is hooked into exists().
*
* > Note that wildcard patterns are not regular expressions, although they
* > are a bit similar.
*
* @link https://man7.org/linux/man-pages/man7/glob.7.html
* @const string
*/
const PASTE_FILE_PATTERN = DIRECTORY_SEPARATOR . '[a-f0-9][a-f0-9]' .
DIRECTORY_SEPARATOR . '[a-f0-9][a-f0-9]' . DIRECTORY_SEPARATOR .
'[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]' .
'[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]*';
/**
* first line in paste or comment files, to protect their contents from browsing exposed data directories
*
@ -341,10 +357,9 @@ class Filesystem extends AbstractData
protected function _getExpiredPastes($batchsize)
{
$pastes = array();
$files = $this->_getPasteIterator();
$count = 0;
$time = time();
foreach ($files as $file) {
foreach ($this->_getPasteIterator() as $file) {
if ($file->isDir()) {
continue;
}
@ -372,8 +387,7 @@ class Filesystem extends AbstractData
public function getAllPastes()
{
$pastes = array();
$files = $this->_getPasteIterator();
foreach ($files as $file) {
foreach ($this->_getPasteIterator() as $file) {
if ($file->isFile()) {
$pastes[] = $file->getBasename('.php');
}
@ -420,18 +434,15 @@ class Filesystem extends AbstractData
/**
* Get an iterator matching paste files.
*
* Note that creating the iterator issues the glob() call, so we can't pre-
* generate this object before files that should get matched exist.
*
* @access private
* @return \GlobIterator
*/
private function _getPasteIterator()
{
return new \GlobIterator($this->_path . DIRECTORY_SEPARATOR .
'[a-f0-9][a-f0-9]' . DIRECTORY_SEPARATOR .
'[a-f0-9][a-f0-9]' . DIRECTORY_SEPARATOR .
'[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]' .
'[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]*');
// need to return both files with and without .php suffix, so they can
// be hardened by _prependRename(), which is hooked into exists()
return new \GlobIterator($this->_path . self::PASTE_FILE_PATTERN);
}
/**