135 lines
3.1 KiB
PHP
135 lines
3.1 KiB
PHP
<?php
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namespace App\Classes;
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use Illuminate\Http\UploadedFile;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Facades\Log;
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use Symfony\Component\HttpFoundation\File\File as FileBase;
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class File extends FileBase implements \Iterator
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{
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private const LOGKEY = 'F--';
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private int $counter = 0;
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private bool $isArchive = FALSE;
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private bool $canHandle = FALSE;
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private \ZipArchive $z;
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private array $zipfile = [];
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public function __construct(mixed $path,bool $checkPath=true)
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{
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parent::__construct($path,$checkPath);
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switch($x=$this->guessExtension()) {
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case 'zip':
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$this->canHandle = TRUE;
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$this->isArchive = TRUE;
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$this->z = new \ZipArchive;
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$this->z->open($this->getRealPath());
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break;
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case NULL:
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case 'bin':
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if ($this->isPacket() || ($path instanceof UploadedFile && (strcasecmp($path->getClientOriginalExtension(),'pkt') === 0))) {
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$this->canHandle = TRUE;
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break;
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}
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default:
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Log::alert(sprintf('%s:? Unknown file received: %s (%s) [%s]',self::LOGKEY,$x,$this->getExtension(),$path instanceof UploadedFile ? $path->getClientOriginalExtension() : '-'));
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}
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}
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/* ITERATOR */
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public function current()
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{
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if ($this->isArchive) {
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$this->zipfile = $this->z->statIndex($this->counter,\ZipArchive::FL_UNCHANGED);
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$f = $this->z->getStream($this->zipfile['name']);
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if (! $f)
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throw new \Exception(sprintf('%s:Failed getting ZipArchive::stream (%s)',self::LOGKEY,$this->z->getStatusString()));
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return $f;
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} else {
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return fopen($this->getRealPath(),'r+');
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}
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}
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public function next()
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{
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$this->counter++;
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}
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public function key()
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{
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return $this->counter;
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}
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public function valid()
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{
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// If we have a pkt file, then counter can only be 1.
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return $this->canHandle && (($this->isArchive && ($this->counter < $this->z->numFiles)) || $this->counter === 0);
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}
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public function rewind()
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{
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$this->counter = 0;
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}
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/* METHODS */
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/**
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* Determine if the file is a mail packet
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*
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* @return bool
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*/
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private function isPacket(): bool
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{
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return (strcasecmp($this->getExtension(),'pkt') === 0);
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}
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public function itemName(): string
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{
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return ($this->isArchive && $this->valid()) ? Arr::get(stream_get_meta_data($this->current()),'uri') : $this->getFilename();
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}
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public function itemSize(): int
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{
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return $this->isArchive ? Arr::get($this->zipfile,'size') : $this->getSize();
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}
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/**
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* Return the name of the file, without a node ID prefix
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*
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* @return string
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*/
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public function rawName(): string
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{
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return preg_replace('/^[0-9A-F]{4}-/','',$this->getFilename());
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}
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/**
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* Return the packet name
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*
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* @return string|null
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* @throws \Exception
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*/
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public function pktName(): ?string
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{
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if ($this->isArchive) {
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$this->zipfile = $this->z->statIndex($this->counter,\ZipArchive::FL_UNCHANGED);
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$f = $this->z->getStream($this->zipfile['name']);
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if (! $f)
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throw new \Exception(sprintf('%s:Failed getting ZipArchive::stream (%s)',self::LOGKEY,$this->z->getStatusString()));
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return preg_replace('/.pkt$/i','',Arr::get(stream_get_meta_data($f),'uri'));
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} else {
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return $this->isPacket() ? preg_replace('/.pkt$/i','',$this->rawName()) : NULL;
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}
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}
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} |