CMS-CSE/core/class/sftp.class.php

<?php

class sftp
{

    private static $authent;
    private static $connexion;
    private static $dataSend;

    private static function connectHost(int $_sec = 2)
    {
        $originalConnectionTimeout = ini_get('default_socket_timeout');
        ini_set('default_socket_timeout', $_sec);
        if (self::$authent = @ssh2_connect(SFTP_HOST, 22)) {
            ini_set('default_socket_timeout', $originalConnectionTimeout);
            return TRUE;
        } else {
            return FALSE;
        }
    }

    private static function authentHost()
    {
        return (@ssh2_auth_password(self::$authent, SFTP_USER, SFTP_PASS)) ? TRUE : FALSE;
    }

    private static function initializeHost()
    {
        return (self::$connexion = @ssh2_sftp(self::$authent)) ? TRUE : FALSE;
    }

    private static function fileExist(string $_file = NULL)
    {
        return (file_exists($_file)) ? TRUE : FALSE;
    }

    private static function fileGetContents(string $_file = NULL)
    {
        return (self::$dataSend = @file_get_contents($_file)) ? TRUE : FALSE;
    }

    private static function accessHost(bool $_showAlert = TRUE)
    {
        if (!self::connectHost()) {
            ($_showAlert == TRUE) ? alert::recError("Erreur de connection au serveur distant") : NULL;
            return FALSE;
        }
        if (!self::authentHost()) {
            ($_showAlert == TRUE) ? alert::recError("Erreur d'authentification au serveur distant") : NULL;
            return FALSE;
        }
        if (!self::initializeHost()) {
            ($_showAlert == TRUE) ? alert::recError("Erreur d'initialisation au serveur distant") : NULL;
            return FALSE;
        }
        ($_showAlert == TRUE) ? alert::recSuccess("Accès au serveur distant") : NULL;
        return TRUE;
    }

    public static function testAccessHost()
    {
        return (self::accessHost(FALSE)) ? TRUE : FALSE;
    }

    private static function sendFile(string $_file)
    {
        self::accessHost();
        $stream = @fopen("ssh2.sftp://" . self::$authent . SFTP_REMOTE . $_file, "w");
        $data = @file_get_contents(SFTP_LOCAL . $_file);
        if (@fwrite($stream, $data) === false) {
            alert::recError($_file . " n'a pas pu être transféré au serveur distant");
            return FALSE;
        } else {
            alert::recSuccess($_file . " a été trasféré avec succès");
            return TRUE;
        }
        @fclose($stream);
    }

    public static function deleteFileToRemote(string $_file)
    {

        db::query("UPDATE " . DB_T_EXCEL . " SET createForSFTP = NULL WHERE id = :id");
        db::bind(':id', salaries::lastExcel());
        try {
            db::execute();
            alert::recSuccess($_file . " a été supprimé du serveur local.");
            return TRUE;
        } catch (Exception $e) {
            alert::recError($_file . " n'a pas pu être supprimé");
            return FALSE;
        }
    }

    public static function sendFileToRemote($_file = NULL)
    {
        if ($_file == NULL) {
            alert::recError("Le fichier à envoyé n'a pas été défini");
            return FALSE;
        } elseif (!self::fileExist(SFTP_LOCAL . $_file)) {
            alert::recError($_file . " n'est pas présent sur le serveur");
            return FALSE;
        } else {
            return self::sendFile($_file);
        }
    }

    public static function scanFolderRemote()
    {
        self::accessHost(FALSE);
        $realpath = @ssh2_sftp_realpath(self::$connexion, SFTP_REMOTE);
        $dir = "ssh2.sftp://" . self::$connexion . $realpath;
        $tempArray = array();

        if (is_dir($dir)) {
            if ($dh = opendir($dir)) {
                while (($file = readdir($dh)) !== false) {
                    $tempFile = NULL;
                    $realpath = @ssh2_sftp_realpath(self::$connexion, $file);
                    $filetype = filetype($dir . $realpath);
                    $size = sprintf("%.2f", filesize($dir . $realpath));

                    if ($filetype != "dir") {
                        $infos = @ssh2_sftp_stat(self::$connexion, $file);
                        $tempFile["file"] = $file;
                        $tempFile["size"] = core::formatFileSize($infos["size"], 2);
                        $tempFile["date"] = core::dateFromTimestamp($infos["atime"]);
                        $tempArray[] = $tempFile;
                    }
                }
                closedir($dh);
            }
        }
        return $tempArray;
    }

    public static function scanFolderLocal()
    {
        $tempArray = array();
        if ($scandir = scandir(SFTP_LOCAL)) {
            foreach ($scandir as $file) {
                $tempFile = NULL;
                if (is_file(SFTP_LOCAL . $file) === TRUE and $file != "index.html") {
                    $tempFile["file"] = $file;
                    $tempFile["size"] = core::formatFileSize(filesize(SFTP_LOCAL . $file), 2);
                    $tempFile["date"] = core::dateFromTimestamp(filemtime(SFTP_LOCAL . $file));
                    $tempArray[] = $tempFile;
                }
            }
        }
        return $tempArray;
    }

    public static function deleteFormRemote(string $_file)
    {
        self::accessHost(FALSE);
        if (@ssh2_sftp_unlink(self::$connexion, SFTP_REMOTE . $_file)) {
            alert::recSuccess($_file . " a été supprimé du serveur distant.");
            return TRUE;
        } else {
            alert::recError($_file . " n'a pas été supprimé du serveur distant");
            return FALSE;
        }
    }

    public static function downloadFormRemote(string $_file)
    {
        self::accessHost(FALSE);
        //ssh2_scp_recv(self::$authent, SFTP_REMOTE.$_file, SFTP_LOCAL.$_file);

        $stream = @fopen("ssh2.sftp://" . self::$authent . SFTP_REMOTE . $_file, 'r');
        $contents = stream_get_contents($stream);
        file_put_contents(DIR_TEMP . $_file, $contents);
        @fclose($stream);
    }
}