136 lines
3.0 KiB
PHP
136 lines
3.0 KiB
PHP
<?php
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namespace App\Classes\File;
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use Exception;
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use Illuminate\Contracts\Filesystem\FileNotFoundException;
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use League\Flysystem\UnreadableFileException;
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/**
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* A file we are sending or receiving
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*
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* @property string $name
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* @property string $recvas
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* @property int $size
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*/
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class Item
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{
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protected const IS_PKT = (1<<1);
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protected const IS_ARC = (1<<2);
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protected const IS_FILE = (1<<3);
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protected const IS_FLO = (1<<4);
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protected const IS_REQ = (1<<5);
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protected const I_RECV = (1<<6);
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protected const I_SEND = (1<<7);
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protected string $file_name = '';
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protected int $file_size = 0;
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protected int $file_mtime = 0;
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protected int $file_type = 0;
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protected int $action = 0;
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public bool $sent = FALSE;
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public bool $received = FALSE;
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/**
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* @throws FileNotFoundException
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* @throws UnreadableFileException
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* @throws Exception
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*/
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public function __construct($file,int $action)
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{
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$this->action |= $action;
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switch ($action) {
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case self::I_SEND:
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if (! is_string($file))
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throw new Exception('Invalid object creation - file should be a string');
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if (! file_exists($file))
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throw new FileNotFoundException('Item doesnt exist: '.$file);
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if (! is_readable($file))
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throw new UnreadableFileException('Item cannot be read: '.$file);
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$this->file_name = $file;
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$x = stat($file);
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$this->file_size = $x['size'];
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$this->file_mtime = $x['mtime'];
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break;
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case self::I_RECV;
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$keys = ['name','mtime','size'];
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if (! is_array($file) || array_diff(array_keys($file),$keys))
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throw new Exception('Invalid object creation - file is not a valid array :'.serialize(array_diff(array_keys($file),$keys)));
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$this->file_name = $file['name'];
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$this->file_size = $file['size'];
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$this->file_mtime = $file['mtime'];
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break;
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default:
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throw new Exception('Unknown action: '.$action);
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}
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$this->file_type |= $this->whatType();
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}
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/**
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* @throws Exception
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*/
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public function __get($key)
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{
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switch($key) {
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case 'mtime':
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case 'name':
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case 'size':
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if ($this->action & self::I_RECV)
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return $this->{'file_'.$key};
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throw new Exception('Invalid request for key: '.$key);
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case 'recvas':
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return $this->file_name;
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case 'sendas':
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return basename($this->file_name);
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default:
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throw new Exception('Unknown key: '.$key);
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}
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}
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protected function isType(int $type): bool
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{
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return $this->file_type & $type;
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}
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private function whatType(): int
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{
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static $ext = ['su','mo','tu','we','th','fr','sa','req'];
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$x = strrchr($this->file_name,'.');
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if (! $x || (strlen(substr($x,1)) != 3))
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return self::IS_FILE;
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if (strcasecmp(substr($x,2),'lo') == 0)
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return self::IS_FLO;
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if (strcasecmp(substr($x,1),'pkt') == 0)
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return self::IS_PKT;
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if (strcasecmp(substr($x,1),'req') == 0)
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return self::IS_REQ;
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for ($i=0;$i<count($ext);$i++)
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if (! strncasecmp($x,'.'.$ext[$i],strlen($ext[$i])) && (preg_match('/^[0-9a-z]/',strtolower(substr($x,3,1)))))
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return self::IS_ARC;
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return self::IS_FILE;
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}
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} |