sftp.php

<?php
 
namespace Bitrix\Sale\TradingPlatform;
 
use Bitrix\Main\Localization\Loc;
use \Bitrix\Main\SystemException;
 
Loc::loadMessages(__FILE__);
 
class Sftp
{
    protected $login;
    protected $pass;
    protected $host;
    protected $port;
    protected $fingerprint;
 
    protected $connection;
    protected $sftp;
 
    public function __construct($login, $pass, $host, $port, $fingerprint="")
    {
        $this->host = $host;
        $this->login = $login;
        $this->pass = $pass;
        $this->port = $port;
        $this->fingerprint = $fingerprint;
    }
 
    public function connect()
    {
        if(!extension_loaded("ssh2"))
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_SSH2_EXT"));
 
        $this->connection = @ssh2_connect($this->host, $this->port);
 
        if(!$this->connection)
        {
            throw new SystemException(
                Loc::getMessage(
                    "TRADING_PLATFORM_SFTP_ERROR_CONNECT",
                    array(
                        "#HOST#" => $this->host,
                        "#PORT#" => $this->port
                    )
                )
            );
        }
 
        if($this->fingerprint != "")
        {
            $fingerprint = ssh2_fingerprint($this->connection, SSH2_FINGERPRINT_MD5 | SSH2_FINGERPRINT_HEX);
 
            if ($fingerprint != $this->fingerprint)
            {
                throw new SystemException(Loc::getMessage(
                    "TRADING_PLATFORM_SFTP_ERROR_FINGERPRINT",
                    array(
                        "#HOST#" => $this->host,
                        "#FINGERPRINT1#" => $fingerprint,
                        "#FINGERPRINT2#" => $this->fingerprint,
                    )
                ));
            }
        }
 
        if(!@ssh2_auth_password($this->connection, $this->login, $this->pass))
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_PASS"));
 
        $this->sftp = ssh2_sftp($this->connection);
 
        if(!$this->sftp)
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_INIT"));
 
        return true;
    }
 
    public function uploadFile($localFile, $remoteFile)
    {
        $remotePath = "sftp://".intval($this->sftp).$remoteFile;
        $stream = @fopen("ssh2.".$remotePath, 'w');
 
        if (!$stream)
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_OPEN_FILE", array("#FILE#" => $remotePath)));
 
        $data = file_get_contents($localFile);
 
        if ($data === false)
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_READ_FILE", array("#FILE#" => $localFile)));
 
        if (fwrite($stream, $data) === false)
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_WRITE_FILE", array("#FILE#" => $remotePath)));
 
        @fclose($stream);
 
        return true;
    }
 
    public function downloadFile($remoteFile, $localFile)
    {
        $remotePath = "sftp://".intval($this->sftp).$remoteFile;
        $stream = @fopen("ssh2.".$remotePath, 'r');
 
        if (!$stream)
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_OPEN_FILE", array("#FILE#" => $remotePath)));
 
        $contents = stream_get_contents($stream);
 
        if(file_put_contents($localFile, $contents) === false)
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_WRITE_FILE", array("#FILE#" => $localFile)));
 
        @fclose($stream);
        return true;
    }
 
    public function getFilesList($remotePath)
    {
        $result = array();
        $fullPath = "sftp://".intval($this->sftp).$remotePath;
        $dirHandle = @opendir("ssh2.".$fullPath);
 
        if($dirHandle === false)
            throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_OPEN_PATH", array("#PATH#" => $fullPath)));
 
        while (false !== ($file = readdir($dirHandle)))
            if(is_file("ssh2.".$fullPath."/".$file))
                $result[] = $file;
 
        return $result;
    }
 
    public function getFileSize($remoteFile)
    {
        return filesize("ssh2.sftp://".intval($this->sftp).$remoteFile);
    }
}