_file = $file;
$this->_fd = fopen($this->_file, $mode);
if($this->getDescriptor() === false) throw new FileException("Failed to open file stream");
$this->_size = filesize($this->_file);
}
/**
* @return string
*/
public function getFile():string {
return $this->_file;
}
/**
* @return int
*/
public function getSize():int {
return $this->_size;
}
/**
* @return false|string
*/
public function getMimeType() {
if(function_exists('mime_content_type')) return mime_content_type($this->_file);
else {
$file = new \CURLFile($this->_file);
return $file->getMimeType() ?: 'text/plain';
}
}
/**
* @return false|resource
*/
public function getDescriptor() {
return $this->_fd;
}
/**
* @return false|int
*/
public function tell() {
return ftell($this->getDescriptor());
}
/**
* @param int|null $length
*
* @return string
*/
public function read(?int $length=null):string {
if($length === null) $length = $this->getSize();
return fread($this->getDescriptor(), $length);
}
/**
* @return bool
*/
public function eof():bool {
return feof($this->getDescriptor());
}
/**
* @param int $offset
* @param int $whence
*
* @return int
*/
public function seek(int $offset, int $whence=SEEK_SET):int {
return fseek($this->getDescriptor(), $offset, $whence);
}
/**
* @return void
*/
public function rewind():void {
$this->seek(0);
}
/**
* @return void
*/
public function close():void {
if (is_resource($this->_fd)) fclose($this->_fd);
$this->_fd = null;
}
public function getHash(string $algorithm, $binary=false):string {
$this->rewind();
$ctx = hash_init($algorithm);
while (!$this->eof()) hash_update($ctx, $this->read(self::CHUNK_SIZE_PIECE));
$this->rewind();
return hash_final($ctx, $binary);
}
/**
*
*/
public function __destruct() {
$this->close();
}
}