export.php

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<?php
/* Copyright (C) 2006-2014  Laurent Destailleur <eldy@users.sourceforge.net>
 * Copyright (C) 2011       Juanjo Menent       <jmenent@2byte.es>
 * Copyright (C) 2015       Raphaël Doursenaud  <rdoursenaud@gpcsolutions.fr>
 * Copyright (C) 2021   Regis Houssin   <regis.houssin@inodbox.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

require '../../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/utils.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';

$langs->load("admin");

$action = GETPOST('action', 'aZ09');
$what = GETPOST('what', 'alpha');
$export_type = GETPOST('export_type', 'alpha');
$file = GETPOST('filename_template', 'alpha');

// Load variable for pagination
$limit = GETPOST('limit', 'int') ?GETPOST('limit', 'int') : $conf->liste_limit;
$sortfield = GETPOST('sortfield', 'aZ09comma');
$sortorder = GETPOST('sortorder', 'aZ09comma');
$page = GETPOSTISSET('pageplusone') ? (GETPOST('pageplusone') - 1) : GETPOST("page", 'int');
if (empty($page) || $page == -1 || GETPOST('button_search', 'alpha') || GETPOST('button_removefilter', 'alpha') || (empty($toselect) && $massaction === '0')) {
  $page = 0;
}     // If $page is not defined, or '' or -1 or if we click on clear filters or if we select empty mass action
$offset = $limit * $page;
if (!$sortorder) {
  $sortorder = "DESC";
}
if (!$sortfield) {
  $sortfield = "date";
}

if (!$user->admin) {
  accessforbidden();
}

if ($file && !$what) {
  //print DOL_URL_ROOT.'/dolibarr_export.php';
  header("Location: ".DOL_URL_ROOT.'/admin/tools/dolibarr_export.php?msg='.urlencode($langs->trans("ErrorFieldRequired", $langs->transnoentities("ExportMethod"))).(GETPOST('page_y', 'int') ? '&page_y='.GETPOST('page_y', 'int') : ''));
  exit;
}

$errormsg = '';


/*
 * Actions
 */

if ($action == 'delete') {
  $file = $conf->admin->dir_output.'/'.GETPOST('urlfile');
  $ret = dol_delete_file($file, 1);
  if ($ret) {
    setEventMessages($langs->trans("FileWasRemoved", GETPOST('urlfile')), null, 'mesgs');
  } else {
    setEventMessages($langs->trans("ErrorFailToDeleteFile", GETPOST('urlfile')), null, 'errors');
  }
  $action = '';
}


/*
 * View
 */

$_SESSION["commandbackuplastdone"] = '';
$_SESSION["commandbackuptorun"] = '';
$_SESSION["commandbackupresult"] = '';

// Increase limit of time. Works only if we are not in safe mode
$ExecTimeLimit = 600; // Set it to 0 to not use a forced time limit
if (!empty($ExecTimeLimit)) {
  $err = error_reporting();
  error_reporting(0); // Disable all errors
  //error_reporting(E_ALL);
  @set_time_limit($ExecTimeLimit); // Need more than 240 on Windows 7/64
  error_reporting($err);
}
$MemoryLimit = 0;
if (!empty($MemoryLimit)) {
  @ini_set('memory_limit', $MemoryLimit);
}


//$help_url='EN:Backups|FR:Sauvegardes|ES:Copias_de_seguridad';
//llxHeader('','',$help_url);

//print load_fiche_titre($langs->trans("Backup"),'','title_setup');


// Start with empty buffer
$dump_buffer = '';
$dump_buffer_len = 0;

// We will send fake headers to avoid browser timeout when buffering
$time_start = time();


$outputdir  = $conf->admin->dir_output.'/backup';
$result = dol_mkdir($outputdir);


$utils = new Utils($db);


// MYSQL
if ($what == 'mysql') {
  $cmddump = GETPOST("mysqldump", 'none'); // Do not sanitize here with 'alpha', will be sanitize later by dol_sanitizePathName and escapeshellarg
  $cmddump = dol_sanitizePathName($cmddump);

  if (!empty($dolibarr_main_restrict_os_commands)) {
    $arrayofallowedcommand = explode(',', $dolibarr_main_restrict_os_commands);
    dol_syslog("Command are restricted to ".$dolibarr_main_restrict_os_commands.". We check that one of this command is inside ".$cmddump);
    $basenamecmddump = basename($cmddump);
    if (!in_array($basenamecmddump, $arrayofallowedcommand)) {  // the provided command $cmddump must be an allowed command
      $errormsg = $langs->trans('CommandIsNotInsideAllowedCommands');
    }
  }

  if (!$errormsg && $cmddump) {
    dolibarr_set_const($db, 'SYSTEMTOOLS_MYSQLDUMP', $cmddump, 'chaine', 0, '', $conf->entity);
  }

  if (!$errormsg) {
    $utils->dumpDatabase(GETPOST('compression', 'alpha'), $what, 0, $file);
    $errormsg = $utils->error;
    $_SESSION["commandbackuplastdone"] = $utils->result['commandbackuplastdone'];
    $_SESSION["commandbackuptorun"] = $utils->result['commandbackuptorun'];
  }
}

// MYSQL NO BIN
if ($what == 'mysqlnobin') {
  $utils->dumpDatabase(GETPOST('compression', 'alpha'), $what, 0, $file);

  $errormsg = $utils->error;
  $_SESSION["commandbackuplastdone"] = $utils->result['commandbackuplastdone'];
  $_SESSION["commandbackuptorun"] = $utils->result['commandbackuptorun'];
}

// POSTGRESQL
if ($what == 'postgresql') {
  $cmddump = GETPOST("postgresqldump", 'none'); // Do not sanitize here with 'alpha', will be sanitize later by dol_sanitizePathName and escapeshellarg
  $cmddump = dol_sanitizePathName($cmddump);

  /* Not required, the command is output on screen but not ran for pgsql
  if (! empty($dolibarr_main_restrict_os_commands))
  {
    $arrayofallowedcommand=explode(',', $dolibarr_main_restrict_os_commands);
    dol_syslog("Command are restricted to ".$dolibarr_main_restrict_os_commands.". We check that one of this command is inside ".$cmddump);
    $basenamecmddump=basename($cmddump);
    if (! in_array($basenamecmddump, $arrayofallowedcommand)) // the provided command $cmddump must be an allowed command
    {
      $errormsg=$langs->trans('CommandIsNotInsideAllowedCommands');
    }
  } */

  if (!$errormsg && $cmddump) {
    dolibarr_set_const($db, 'SYSTEMTOOLS_POSTGRESQLDUMP', $cmddump, 'chaine', 0, '', $conf->entity);
  }

  if (!$errormsg) {
    $utils->dumpDatabase(GETPOST('compression', 'alpha'), $what, 0, $file);
    $errormsg = $utils->error;
    $_SESSION["commandbackuplastdone"] = $utils->result['commandbackuplastdone'];
    $_SESSION["commandbackuptorun"] = $utils->result['commandbackuptorun'];
  }

  $what = ''; // Clear to show message to run command
}


if ($errormsg) {
  setEventMessages($langs->trans("Error")." : ".$errormsg, null, 'errors');

  $resultstring = '';
  $resultstring .= '<div class="error">'.$langs->trans("Error")." : ".$errormsg.'</div>';

  $_SESSION["commandbackupresult"] = $resultstring;
} else {
  if ($what) {
    setEventMessages($langs->trans("BackupFileSuccessfullyCreated").'.<br>'.$langs->trans("YouCanDownloadBackupFile"), null, 'mesgs');

    $resultstring = '<div class="ok">';
    $resultstring .= $langs->trans("BackupFileSuccessfullyCreated").'.<br>';
    $resultstring .= $langs->trans("YouCanDownloadBackupFile");
    $resultstring .= '<div>';

    $_SESSION["commandbackupresult"] = $resultstring;
  }
  /*else
  {
    setEventMessages($langs->trans("YouMustRunCommandFromCommandLineAfterLoginToUser",$dolibarr_main_db_user,$dolibarr_main_db_user), null, 'warnings');
  }*/
}

$db->close();

// Redirect to backup page
header("Location: dolibarr_export.php".(GETPOST('page_y', 'int') ? '?page_y='.GETPOST('page_y', 'int') : ''));