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<?php |
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/** |
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* Class LocalFile |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2019, icy2003 |
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*/ |
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namespace icy2003\php\icomponents\file; |
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use Exception; |
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use icy2003\php\I; |
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use icy2003\php\icomponents\file\FileInterface; |
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use icy2003\php\ihelpers\Charset; |
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use icy2003\php\ihelpers\Header; |
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/** |
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* 本地文件 |
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* |
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* - 支持本地文件操作 |
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* - 支持网络文件:文件是否存在、文件大小 |
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*/ |
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class LocalFile extends Base implements FileInterface |
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{ |
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/** |
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* 加载文件用的函数 |
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* |
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* @var callback |
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*/ |
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protected $_functions = [ |
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'loader' => null, |
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]; |
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/** |
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* 文件属性 |
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* |
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* - 文件名为键,属性为值 |
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* |
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* @var array |
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*/ |
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protected $_attributes = []; |
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/** |
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* 初始化 |
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* |
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* @param mixed $locale 地区信息 |
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*/ |
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public function __construct($locale = 'zh_CN.UTF-8') |
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{ |
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setlocale(LC_ALL, $locale); |
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clearstatcache(); |
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$this->_functions['loader'] = function ($fileName) { |
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$hashName = $this->__hash($fileName); |
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$this->_attributes[$hashName] = I::get($this->_attributes, $hashName, [ |
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'isCached' => false, |
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'isLocal' => true, |
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'file' => $this->__file($fileName), |
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// 以下属性需要重新设置 |
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'isExists' => false, |
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'fileSize' => 0, |
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]); |
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// 如果已经被缓存了,直接返回 |
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if (true === $this->_attributes[$hashName]['isCached']) { |
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return; |
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} |
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$this->_attributes[$hashName]['isCached'] = true; |
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if (preg_match('/^https?:\/\//', $fileName)) { |
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$this->_attributes[$hashName]['isLocal'] = false; |
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// 加载网络文件 |
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if (extension_loaded('curl')) { |
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$curl = curl_init($fileName); |
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curl_setopt($curl, CURLOPT_NOBODY, true); |
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($curl, CURLOPT_HEADER, true); |
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$result = curl_exec($curl); |
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if ($result && $info = curl_getinfo($curl)) { |
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if (200 == $info['http_code']) { |
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$this->_attributes[$hashName]['isExists'] = true; |
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$this->_attributes[$hashName]['fileSize'] = $info['download_content_length']; |
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} |
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} |
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curl_close($curl); |
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} elseif ((bool) ini_get('allow_url_fopen')) { |
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$headArray = (array) get_headers($fileName, 1); |
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if (preg_match('/200/', $headArray[0])) { |
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$this->_attributes[$hashName]['isExists'] = true; |
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$this->_attributes[$hashName]['fileSize'] = $headArray['Content-Length']; |
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} |
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} else { |
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$url = parse_url($fileName); |
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$host = $url['host']; |
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$path = I::get($url, 'path', '/'); |
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$port = I::get($url, 'port', 80); |
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$fp = fsockopen($host, $port); |
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if (is_resource($fp)) { |
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$header = [ |
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'GET ' . $path . ' HTTP/1.0', |
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'HOST: ' . $host . ':' . $port, |
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'Connection: Close', |
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]; |
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fwrite($fp, implode('\r\n', $header) . '\r\n\r\n'); |
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while (!feof($fp)) { |
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$line = fgets($fp); |
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if ('' == trim($line)) { |
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break; |
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} else { |
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preg_match('/HTTP.*(\s\d{3}\s)/', $line, $arr) && $this->_attributes[$hashName]['isExists'] = true; |
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preg_match('/Content-Length:(.*)/si', $line, $arr) && $this->_attributes[$hashName]['fileSize'] = trim($arr[1]); |
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} |
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} |
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} |
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fclose($fp); |
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} |
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} else { |
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$this->_attributes[$hashName]['isLocal'] = true; |
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$this->_attributes[$hashName]['isExists'] = file_exists($this->_attributes[$hashName]['file']); |
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$this->_attributes[$hashName]['fileSize'] = filesize($this->_attributes[$hashName]['file']); |
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$this->_attributes[$hashName]['spl'] = new \SplFileObject($this->_attributes[$hashName]['file']); |
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$this->_attributes[$hashName]['splInfo'] = new \SplFileInfo($this->_attributes[$hashName]['file']); |
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} |
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}; |
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} |
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/** |
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* 获取 Hash 值 |
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* |
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* @param string $fileName |
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* |
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* @return string |
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*/ |
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private function __hash($fileName) |
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{ |
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return md5($fileName); |
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} |
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/** |
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* 返回路径别名 |
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* |
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* @param string $file |
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* |
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* @return string |
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*/ |
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private function __file($file) |
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{ |
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return (string) I::getAlias($file); |
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} |
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/** |
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* 获取网络文件的属性 |
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* |
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* @param string $fileName |
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* @param string $name |
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* |
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* @return mixed |
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*/ |
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public function attribute($fileName, $name) |
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{ |
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I::trigger($this->_functions['loader'], [$fileName]); |
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return I::get($this->_attributes, $this->__hash($fileName) . '.' . $name); |
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} |
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/** |
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* 获取文件对象 |
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* |
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* @param string $fileName |
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* |
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* @return \SplFileObject |
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*/ |
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public function spl($fileName) |
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{ |
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return $this->attribute($fileName, 'spl'); |
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} |
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/** |
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* 获取文件信息对象 |
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* |
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* @param string $fileName |
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* |
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* @return \SplFileInfo |
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*/ |
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public function splInfo($fileName) |
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{ |
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return $this->attribute($fileName, 'splInfo'); |
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} |
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/** |
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* 遍历行的生成器 |
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* |
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* - 自动关闭后再次调用需要重新读取文件,不建议自动关闭 |
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* |
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* @param string $fileName |
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* @param boolean $autoClose 是否自动关闭文件,默认 false |
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* |
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* @return \Generator |
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*/ |
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public function linesGenerator($fileName, $autoClose = false) |
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{ |
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try { |
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$spl = $this->spl($fileName); |
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while ($line = $spl->fgets()) { |
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yield $line; |
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} |
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} finally { |
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true === $autoClose && $this->close($fileName); |
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} |
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} |
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/** |
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* 返回文本的某行 |
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* |
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* - 每取一行,文件指针会回到初始位置,如果需要大量的行,请直接使用 linesGenerator |
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* - 自动关闭后再次调用需要重新读取文件,不建议自动关闭 |
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* |
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* @param string $fileName |
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* @param integer $num 行号 |
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* @param boolean $autoClose 是否自动关闭文件,默认 false |
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* |
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* @return string |
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*/ |
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public function line($fileName, $num = 0, $autoClose = false) |
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{ |
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foreach ($this->linesGenerator($fileName, $autoClose) as $k => $line) { |
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if ($k == $num) { |
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$this->spl($fileName)->rewind(); |
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return $line; |
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} |
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} |
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} |
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/** |
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* 遍历字节的生成器 |
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* |
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* @param string $fileName |
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* @param boolean $autoClose 是否自动关闭文件,默认 false |
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* @param integer $buffer 缓冲区长度,默认 1024 |
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* |
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* @return \Generator |
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*/ |
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public function dataGenerator($fileName, $autoClose = false, $buffer = 1024) |
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{ |
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$bufferSize = 0; |
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try { |
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while (!$this->spl($fileName)->eof() && $this->splInfo($fileName)->getSize() > $bufferSize) { |
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$bufferSize += $buffer; |
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yield $this->spl($fileName)->fread($bufferSize); |
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} |
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} finally { |
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true === $autoClose && $this->close($fileName); |
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} |
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} |
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/** |
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* @ignore |
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*/ |
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public function getATime($fileName) |
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{ |
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return fileatime($this->__file($fileName)); |
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} |
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/** |
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* @ignore |
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*/ |
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public function getBasename($path, $suffix = null) |
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{ |
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return parent::getBasename($this->__file($path), $suffix); |
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} |
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/** |
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* @ignore |
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*/ |
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public function getCTime($fileName) |
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{ |
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return filectime($this->__file($fileName)); |
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} |
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/** |
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* @ignore |
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*/ |
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public function getExtension($fileName) |
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{ |
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return pathinfo($this->__file($fileName), PATHINFO_EXTENSION); |
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} |
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/** |
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* @ignore |
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*/ |
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public function getFilename($fileName) |
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{ |
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return pathinfo($this->__file($fileName), PATHINFO_FILENAME); |
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} |
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/** |
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* @ignore |
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*/ |
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public function getMtime($fileName) |
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{ |
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return filemtime($this->__file($fileName)); |
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} |
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301
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/** |
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* @ignore |
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*/ |
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public function getDirname($path) |
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{ |
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return parent::getDirname($this->__file($path)); |
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} |
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/** |
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* @ignore |
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*/ |
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public function getPerms($path) |
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{ |
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return fileperms($this->__file($path)); |
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} |
316
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317
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/** |
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* @ignore |
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*/ |
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public function getFilesize($fileName) |
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{ |
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return $this->attribute($fileName, 'fileSize'); |
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} |
324
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325
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/** |
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* @ignore |
327
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*/ |
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public function getType($path) |
329
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{ |
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return filetype($this->__file($path)); |
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} |
332
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333
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/** |
334
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* @ignore |
335
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*/ |
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public function isDir($dir) |
337
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{ |
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return is_dir($this->__file($dir)); |
339
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} |
340
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341
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/** |
342
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* @ignore |
343
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*/ |
344
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public function isDot($dir) |
345
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{ |
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return in_array($this->getBasename($dir), ['.', '..']); |
347
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} |
348
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|
349
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/** |
350
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* @ignore |
351
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*/ |
352
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public function isFile($file) |
353
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{ |
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return $this->attribute($file, 'isExists'); |
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} |
356
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357
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/** |
358
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* @ignore |
359
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*/ |
360
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public function isLink($link) |
361
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{ |
362
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return is_link($this->__file($link)); |
363
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} |
364
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|
365
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/** |
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* @ignore |
367
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|
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*/ |
368
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public function isReadable($path) |
369
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{ |
370
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return is_readable($this->__file($path)); |
371
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} |
372
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373
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/** |
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* @ignore |
375
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*/ |
376
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public function isWritable($path) |
377
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{ |
378
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return is_writable($this->__file($path)); |
379
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} |
380
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|
381
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/** |
382
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|
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* @ignore |
383
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*/ |
384
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|
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public function getCommandResult($command) |
385
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|
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{ |
386
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return false; |
|
|
|
|
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
/** |
390
|
|
|
* @ignore |
391
|
|
|
*/ |
392
|
|
|
public function getRealpath($path) |
393
|
|
|
{ |
394
|
|
|
return realpath($this->__file($path)); |
395
|
|
|
} |
396
|
|
|
|
397
|
|
|
/** |
398
|
|
|
* @ignore |
399
|
|
|
*/ |
400
|
|
|
public function getLists($dir = null, $flags = FileConstants::COMPLETE_PATH) |
401
|
|
|
{ |
402
|
|
|
null === $dir && $dir = $this->getRealpath('./'); |
403
|
|
|
$dir = $this->__file(rtrim($dir, '/') . '/'); |
404
|
|
|
$iterator = new \RecursiveDirectoryIterator($dir, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS); |
405
|
|
|
if (I::hasFlag($flags, FileConstants::RECURSIVE)) { |
406
|
|
|
$iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::CHILD_FIRST); |
407
|
|
|
} |
408
|
|
|
$files = []; |
409
|
|
|
/** |
410
|
|
|
* @var \RecursiveDirectoryIterator $file |
411
|
|
|
*/ |
412
|
|
|
foreach ($iterator as $file) { |
413
|
|
|
if (I::hasFlag($flags, FileConstants::COMPLETE_PATH)) { |
414
|
|
|
$files[] = $file->getPathname(); |
415
|
|
|
} else { |
416
|
|
|
$files[] = $file->getFilename(); |
417
|
|
|
} |
418
|
|
|
} |
419
|
|
|
return $files; |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
/** |
423
|
|
|
* @ignore |
424
|
|
|
*/ |
425
|
|
|
public function getFileContent($file) |
426
|
|
|
{ |
427
|
|
|
return file_get_contents($this->__file($file)); |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
/** |
431
|
|
|
* @ignore |
432
|
|
|
*/ |
433
|
|
|
public function putFileContent($file, $string, $mode = 0777) |
434
|
|
|
{ |
435
|
|
|
$file = $this->__file($file); |
436
|
|
|
$this->createDir($this->getDirname($file), $mode); |
437
|
|
|
$isCreated = false !== file_put_contents($file, $string); |
438
|
|
|
$this->chmod($file, $mode, FileConstants::RECURSIVE_DISABLED); |
439
|
|
|
return $isCreated; |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
/** |
443
|
|
|
* @ignore |
444
|
|
|
*/ |
445
|
|
|
public function deleteFile($file) |
446
|
|
|
{ |
447
|
|
|
$file = $this->__file($file); |
448
|
|
|
if ($this->isFile($file)) { |
449
|
|
|
return unlink($file); |
450
|
|
|
} |
451
|
|
|
return true; |
452
|
|
|
} |
453
|
|
|
|
454
|
|
|
/** |
455
|
|
|
* @ignore |
456
|
|
|
*/ |
457
|
|
|
public function uploadFile($toFile, $fromFile = null, $overwrite = true) |
458
|
|
|
{ |
459
|
|
|
return false; |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
/** |
463
|
|
|
* @ignore |
464
|
|
|
*/ |
465
|
|
|
public function downloadFile($fromFile, $toFile = null, $overwrite = true) |
466
|
|
|
{ |
467
|
|
|
return false; |
468
|
|
|
} |
469
|
|
|
|
470
|
|
|
/** |
471
|
|
|
* 客户端向服务端发起下载请求 |
472
|
|
|
* |
473
|
|
|
* @param string $fileName |
474
|
|
|
* |
475
|
|
|
* @return void |
476
|
|
|
* @throws Exception |
477
|
|
|
*/ |
478
|
|
|
public function download($fileName) |
479
|
|
|
{ |
480
|
|
|
$fileName = $this->__file($fileName); |
481
|
|
|
try { |
482
|
|
|
if ($this->isFile($fileName)) { |
483
|
|
|
header('Content-type:application/octet-stream'); |
484
|
|
|
header('Accept-Ranges:bytes'); |
485
|
|
|
header('Accept-Length:' . $this->getFilesize($fileName)); |
486
|
|
|
header('Content-Disposition: attachment; filename=' . Charset::toCn($this->getBasename($fileName))); |
487
|
|
|
foreach ($this->dataGenerator($fileName) as $data) { |
488
|
|
|
echo $data; |
489
|
|
|
} |
490
|
|
|
} |
491
|
|
|
} catch (Exception $e) { |
492
|
|
|
Header::notFound(); |
493
|
|
|
throw $e; |
494
|
|
|
} |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
/** |
498
|
|
|
* @ignore |
499
|
|
|
*/ |
500
|
|
|
public function chown($file, $user, $flags = FileConstants::RECURSIVE_DISABLED) |
501
|
|
|
{ |
502
|
|
|
$file = $this->__file($file); |
503
|
|
|
if ($this->isDir($file) && I::hasFlag($flags, FileConstants::RECURSIVE)) { |
504
|
|
|
$files = $this->getLists($file, FileConstants::COMPLETE_PATH | FileConstants::RECURSIVE); |
505
|
|
|
foreach ($files as $subFile) { |
506
|
|
|
chown($subFile, $user); |
507
|
|
|
} |
508
|
|
|
} |
509
|
|
|
return chown($file, $user); |
510
|
|
|
} |
511
|
|
|
|
512
|
|
|
/** |
513
|
|
|
* @ignore |
514
|
|
|
*/ |
515
|
|
|
public function chgrp($file, $group, $flags = FileConstants::RECURSIVE_DISABLED) |
516
|
|
|
{ |
517
|
|
|
$file = $this->__file($file); |
518
|
|
|
if ($this->isDir($file) && I::hasFlag($flags, FileConstants::RECURSIVE)) { |
519
|
|
|
$files = $this->getLists($file, FileConstants::COMPLETE_PATH | FileConstants::RECURSIVE); |
520
|
|
|
foreach ($files as $subFile) { |
521
|
|
|
chgrp($subFile, $group); |
522
|
|
|
} |
523
|
|
|
} |
524
|
|
|
return chgrp($file, $group); |
525
|
|
|
} |
526
|
|
|
|
527
|
|
|
/** |
528
|
|
|
* @ignore |
529
|
|
|
*/ |
530
|
|
|
public function chmod($file, $mode = 0777, $flags = FileConstants::RECURSIVE_DISABLED) |
531
|
|
|
{ |
532
|
|
|
$file = $this->__file($file); |
533
|
|
|
if ($this->isDir($file) && I::hasFlag($flags, FileConstants::RECURSIVE)) { |
534
|
|
|
$files = $this->getLists($file, FileConstants::COMPLETE_PATH | FileConstants::RECURSIVE); |
535
|
|
|
foreach ($files as $subFile) { |
536
|
|
|
chmod($subFile, $mode); |
537
|
|
|
} |
538
|
|
|
} |
539
|
|
|
return (bool) chmod($file, $mode); |
540
|
|
|
} |
541
|
|
|
|
542
|
|
|
/** |
543
|
|
|
* @ignore |
544
|
|
|
*/ |
545
|
|
|
public function symlink($from, $to) |
546
|
|
|
{ |
547
|
|
|
$from = $this->__file($from); |
548
|
|
|
$to = $this->__file($to); |
549
|
|
|
return symlink($from, $to); |
550
|
|
|
} |
551
|
|
|
|
552
|
|
|
/** |
553
|
|
|
* @ignore |
554
|
|
|
*/ |
555
|
|
|
public function close($fileName = null) |
556
|
|
|
{ |
557
|
|
|
$fileName = $this->__file($fileName); |
558
|
|
|
if (is_string($fileName)) { |
|
|
|
|
559
|
|
|
$fileName = [$this->__hash($fileName)]; |
560
|
|
|
} elseif (is_array($fileName)) { |
561
|
|
|
foreach ($fileName as $k => $name) { |
562
|
|
|
$fileName[$k] = $this->__hash($name); |
563
|
|
|
} |
564
|
|
|
} |
565
|
|
|
foreach ($this->_attributes as $hashName => /** @scrutinizer ignore-unused */$attribute) { |
566
|
|
|
if (null === $fileName || is_array($fileName) && in_array($hashName, $fileName)) { |
567
|
|
|
unset($this->_attributes[$hashName]); |
568
|
|
|
} |
569
|
|
|
} |
570
|
|
|
return true; |
571
|
|
|
} |
572
|
|
|
|
573
|
|
|
/** |
574
|
|
|
* @ignore |
575
|
|
|
*/ |
576
|
|
|
protected function _copy($fromFile, $toFile) |
577
|
|
|
{ |
578
|
|
|
$fromFile = $this->__file($fromFile); |
579
|
|
|
$toFile = $this->__file($toFile); |
580
|
|
|
return copy($fromFile, $toFile); |
581
|
|
|
} |
582
|
|
|
|
583
|
|
|
/** |
584
|
|
|
* @ignore |
585
|
|
|
*/ |
586
|
|
|
protected function _move($fromFile, $toFile) |
587
|
|
|
{ |
588
|
|
|
$fromFile = $this->__file($fromFile); |
589
|
|
|
$toFile = $this->__file($toFile); |
590
|
|
|
return rename($fromFile, $toFile); |
591
|
|
|
} |
592
|
|
|
|
593
|
|
|
/** |
594
|
|
|
* @ignore |
595
|
|
|
*/ |
596
|
|
|
protected function _mkdir($dir, $mode = 0777) |
597
|
|
|
{ |
598
|
|
|
$dir = $this->__file($dir); |
599
|
|
|
return mkdir($dir, $mode); |
600
|
|
|
} |
601
|
|
|
|
602
|
|
|
/** |
603
|
|
|
* @ignore |
604
|
|
|
*/ |
605
|
|
|
protected function _rmdir($dir) |
606
|
|
|
{ |
607
|
|
|
$dir = $this->__file($dir); |
608
|
|
|
return rmdir($dir); |
609
|
|
|
} |
610
|
|
|
|
611
|
|
|
} |
612
|
|
|
|