| commit | author | age | ||
| 75471e | 1 | <?php |
| JK | 2 | class FtpConnection { |
| 3 | private static $instances = []; | |
| 4 | private $connection; | |
| 5 | ||
| 6 | static function create(string $host, int $port=21, string $user='anonymous', string $pass='anonymous') : FtpConnection { | |
| 7 | $key = $host."\0".$port."\0".$user."\0".$pass; | |
| 8 | if(!isset(self::$instances[$key])) { | |
| 9 | self::$instances[$key] = new FtpConnection($host, $port, $user, $pass); | |
| 10 | } | |
| 11 | return self::$instances[$key]; | |
| 12 | } | |
| 13 | ||
| 14 | private function __construct(string $host, int $port=21, string $user, string $pass) { | |
| 15 | $this->connection = ftp_connect($host, $port, 10); | |
| 16 | if($this->connection === FALSE) { | |
| 17 | throw new Exception('FTP connection failed'); | |
| 18 | } | |
| 19 | if(!ftp_login($this->connection, $user, $pass)) { | |
| 20 | throw new Exception('FTP login failed'); | |
| 21 | } | |
| 22 | if(!ftp_pasv($this->connection, TRUE)) { | |
| 23 | throw new Exception('Passive FTP request failed'); | |
| 24 | } | |
| 25 | } | |
| 26 | ||
| 27 | public function __destruct() { | |
| 28 | ftp_close($this->connection); | |
| 29 | } | |
| 30 | ||
| 31 | public function size(string $file) : int { | |
| 32 | $remoteSize = ftp_size($this->connection, $file); | |
| 33 | if($remoteSize < 0) { | |
| 34 | throw new Exception('FTP file size fetch failed'); | |
| 35 | } | |
| 36 | return $remoteSize; | |
| 37 | } | |
| 38 | ||
| 39 | ||
| 40 | public function mdtm(string $file) : int { | |
| 41 | $remoteTime = ftp_mdtm($this->connection, $file); | |
| 42 | if($remoteTime < 0) { | |
| 43 | throw new Exception('FTP modification time fetch failed'); | |
| 44 | } | |
| 45 | return $remoteTime; | |
| 46 | } | |
| 47 | ||
| 48 | public function get(string $local_file, string $remote_file, int $mode = FTP_BINARY, int $resumepos = 0) : bool { | |
| 49 | $result = ftp_get($this->connection, $local_file, $remote_file, $mode, $resumepos); | |
| 50 | if($result === FALSE) { | |
| 51 | throw new Exception('FTP file get failed'); | |
| 52 | } | |
| 53 | return $result; | |
| 54 | } | |
| 55 | } | |
