编辑文件 - Sftp.php

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<?php
use phpseclib3\Net\SFTP;

class Yuppie_Sftp
{

private $_connection;
    private $_host;
    private $_userName;
    private $_password;
    private $_port;
    private $_isConnected = false;

/**
     * Abre uma conexao FTP para o host especificado
     * @param string $_host
     * @param string $_userName
     * @param string $_password
     * @param int    $port
     */
    function __construct($_host, $_userName, $_password, $_port = 22)
    {
        $this->_host = $_host;
        $this->_userName = $_userName;
        $this->_password = $_password;
        $this->_port = $_port;

//abre a conexão
        $this->connect();
    }

public function getConnection()
    {
        return $this->_connection;
    }

public function setConnection($connection)
    {
        $this->_connection = $connection;
    }

public function getHost()
    {
        return $this->_host;
    }

public function setHost($host)
    {
        $this->_host = $host;
    }

public function getUserName()
    {
        return $this->_userName;
    }

public function setUserName($userName)
    {
        $this->_userName = $userName;
    }

public function getPassword()
    {
        return $this->_password;
    }

public function setPassword($password)
    {
        $this->_password = $password;
    }

public function getTypeConnection()
    {
        return $this->_typeConnection;
    }

public function setTypeConnection($typeConnection)
    {
        $this->_typeConnection = $typeConnection;
    }

public function getPort()
    {
        return $this->_port;
    }

public function setPort($port)
    {
        $this->_port = $port;
    }
    
    function getIsConnected() {
        return $this->_isConnected;
    }

function setIsConnected($isConnected) {
        $this->_isConnected = $isConnected;
    }

/**
     * Retorna a conexão corrente
     * @return stream
     */
    public function connect()
    {
        $this->_connection = new SFTP($this->getHost());
        
        if( $this->_connection ){
            //faz o login no host especificado
            $this->login();
        }

return $this->_connection;
    }

/**
     * Efetua login no HOST especificado
     * @return boolean 
     */
    private function login()
    {
        $res = $this->_connection->login($this->_userName, $this->_password);

if( $res ){
            $this->_isConnected = true;
            return true;
        }

return false;
    }

/**
     * Faz o download de um arquivo do servidor
     * @param type $remoteFile
     * @param type $localFile
     * @return boolean 
     */
    public function getFile($remoteFile, $localFile)
    {
        if( $this->getIsConnected() != null ){
            return $this->_connection->get($remoteFile, $localFile);
        }

return false;
    }

/**
     * Altera o diretório atual para o diretório passado por parâmetro
     * @param string $dir 
     * @return boolean
     */
    public function changeDirectory($dir)
    {
        if( $this->getConnection() != null ){
            return $this->_connection->chdir($dir);
        }
    }

/**
     * Lista os arquivos do diretório corrente
     * @return array
     */
    public function listFilesInDirectory()
    {
        if( $this->getConnection() != null ){
            return $this->_connection->nlist();
        }
    }

/**
     * Fecha a conexão FTP aberta
     */
    public function closeConnection()
    {
        $this->_connection = null;
    }
    
    public function getLastModifiedFile($file)
    {
        return $this->_connection->filemtime($file);
    }
    
    public function getSizeFile($file)
    {
        return $this->_connection->filesize($file);
    }

}

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