clrghouz/app/Classes/File.php

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2022-11-13 13:29:55 +00:00
<?php
namespace App\Classes;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Log;
use Symfony\Component\HttpFoundation\File\File as FileBase;
class File extends FileBase implements \Iterator
{
private const LOGKEY = 'F--';
private int $counter = 0;
private bool $isArchive = FALSE;
private bool $canHandle = FALSE;
private \ZipArchive $z;
private array $zipfile = [];
public function __construct(mixed $path,bool $checkPath=true)
{
parent::__construct($path,$checkPath);
switch($x=$this->guessExtension()) {
case 'zip':
$this->canHandle = TRUE;
$this->isArchive = TRUE;
$this->z = new \ZipArchive;
$this->z->open($this->getRealPath());
break;
case NULL:
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case 'bin':
if ($this->getExtension() == 'pkt' || ($path instanceof UploadedFile && $path->getClientOriginalExtension() == 'pkt')) {
$this->canHandle = TRUE;
break;
};
default:
Log::alert(sprintf('%s:? Unknown file received: %s',self::LOGKEY,$x));
}
}
/* ITERATOR */
public function current()
{
if ($this->isArchive) {
$this->zipfile = $this->z->statIndex($this->counter,\ZipArchive::FL_UNCHANGED);
$f = $this->z->getStream($this->zipfile['name']);
if (! $f)
throw new \Exception(sprintf('%s:Failed getting ZipArchive::stream (%s)',self::LOGKEY,$this->z->getStatusString()));
return $f;
} else {
return fopen($this->getRealPath(),'r+');
}
}
public function next()
{
$this->counter++;
}
public function key()
{
return $this->counter;
}
public function valid()
{
// If we have a pkt file, then counter can only be 1.
return $this->canHandle && (($this->isArchive && ($this->counter < $this->z->numFiles)) || $this->counter === 0);
}
public function rewind()
{
$this->counter = 0;
}
/* METHODS */
public function itemName(): string
{
return ($this->isArchive && $this->valid()) ? Arr::get(stream_get_meta_data($this->current()),'uri') : $this->getFilename();
}
public function itemSize(): int
{
return $this->isArchive ? Arr::get($this->zipfile,'size') : $this->getSize();
}
}