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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\CustomPiwikJs;
use Piwik\Plugins\CustomPiwikJs\Exception\AccessDeniedException;
class File
{
/**
* @var string
*/
protected $file;
public function __construct($file)
{
$this->file = $file;
}
public function setFile($file)
{
return new static($file);
}
public function checkReadable()
{
if (!$this->hasReadAccess()) {
throw new AccessDeniedException(sprintf('The file %s is not readable', $this->file));
}
}
public function checkWritable()
{
if (!$this->hasWriteAccess()) {
throw new AccessDeniedException(sprintf('The file %s is not writable', $this->file));
}
}
public function isFileContentSame($content)
{
// we determine if file content is the same in here in case a different "file" implementation needs to check
// whether multiple files are up to date
return $this->getContent() === $content;
}
public function save($content)
{
if (false === file_put_contents($this->file, $content, LOCK_EX)) {
throw new AccessDeniedException(sprintf("Could not write to %s", $this->file));
}
// we need to return an array of files in case some other "File" implementation actually updates multiple files
// eg one file per trusted host
return [$this->getPath()];
}
public function getContent()
{
if (!$this->hasReadAccess()) {
return null;
}
return file_get_contents($this->file);
}
public function getPath()
{
return $this->file;
}
public function getName()
{
return basename($this->file);
}
/**
* @return bool
*/
public function hasWriteAccess()
{
if (file_exists($this->file) && !is_writable($this->file)) {
return false;
}
return is_writable(dirname($this->file)) || is_writable($this->file);
}
/**
* @return bool
*/
public function hasReadAccess()
{
return file_exists($this->file) && is_readable($this->file);
}
}
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