utils.class.php

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<?php
/* Copyright (C) 2016 Laurent Destailleur <eldy@users.sourceforge.net>
 * Copyright (C) 2021 Regis Houssin   <regis.houssin@inodbox.com>
 * Copyright (C) 2022 Anthony Berton    <anthony.berton@bb2a.fr>
 *
 * 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
 * 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/>.
 */

class Utils
{
  public $db;

  public $output; // Used by Cron method to return message
  public $result; // Used by Cron method to return data

  public function __construct($db)
  {
    $this->db = $db;
  }


  public function purgeFiles($choices = 'tempfilesold+logfiles', $nbsecondsold = 86400)
  {
    global $conf, $langs, $dolibarr_main_data_root;

    $langs->load("admin");

    require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';

    if (empty($choices)) {
      $choices = 'tempfilesold+logfiles';
    }

    dol_syslog("Utils::purgeFiles choice=".$choices, LOG_DEBUG);

    $count = 0;
    $countdeleted = 0;
    $counterror = 0;
    $filelog = '';

    $choicesarray = preg_split('/[\+,]/', $choices);
    foreach ($choicesarray as $choice) {
      $filesarray = array();

      if ($choice == 'tempfiles' || $choice == 'tempfilesold') {
        // Delete temporary files
        if ($dolibarr_main_data_root) {
          $filesarray = dol_dir_list($dolibarr_main_data_root, "directories", 1, '^temp$', '', 'name', SORT_ASC, 2, 0, '', 1); // Do not follow symlinks

          if ($choice == 'tempfilesold') {
            $now = dol_now();
            foreach ($filesarray as $key => $val) {
              if ($val['date'] > ($now - ($nbsecondsold))) {
                unset($filesarray[$key]); // Discard temp dir not older than $nbsecondsold
              }
            }
          }
        }
      }

      if ($choice == 'allfiles') {
        // Delete all files (except install.lock, do not follow symbolic links)
        if ($dolibarr_main_data_root) {
          $filesarray = dol_dir_list($dolibarr_main_data_root, "all", 0, '', 'install\.lock$', 'name', SORT_ASC, 0, 0, '', 1);
        }
      }

      if ($choice == 'logfile' || $choice == 'logfiles') {
        // Define files log
        if ($dolibarr_main_data_root) {
          $filesarray = dol_dir_list($dolibarr_main_data_root, "files", 0, '.*\.log[\.0-9]*(\.gz)?$', 'install\.lock$', 'name', SORT_ASC, 0, 0, '', 1);
        }

        if (!empty($conf->syslog->enabled)) {
          $filelog = $conf->global->SYSLOG_FILE;
          $filelog = preg_replace('/DOL_DATA_ROOT/i', DOL_DATA_ROOT, $filelog);

          $alreadyincluded = false;
          foreach ($filesarray as $tmpcursor) {
            if ($tmpcursor['fullname'] == $filelog) {
              $alreadyincluded = true;
            }
          }
          if (!$alreadyincluded) {
            $filesarray[] = array('fullname'=>$filelog, 'type'=>'file');
          }
        }
      }

      if (is_array($filesarray) && count($filesarray)) {
        foreach ($filesarray as $key => $value) {
          //print "x ".$filesarray[$key]['fullname']."-".$filesarray[$key]['type']."<br>\n";
          if ($filesarray[$key]['type'] == 'dir') {
            $startcount = 0;
            $tmpcountdeleted = 0;

            $result = dol_delete_dir_recursive($filesarray[$key]['fullname'], $startcount, 1, 0, $tmpcountdeleted);

            if (!in_array($filesarray[$key]['fullname'], array($conf->api->dir_temp, $conf->user->dir_temp))) {   // The 2 directories $conf->api->dir_temp and $conf->user->dir_temp are recreated at end, so we do not count them
              $count += $result;
              $countdeleted += $tmpcountdeleted;
            }
          } elseif ($filesarray[$key]['type'] == 'file') {
            // If (file that is not logfile) or (if mode is logfile)
            if ($filesarray[$key]['fullname'] != $filelog || $choice == 'logfile' || $choice == 'logfiles') {
              $result = dol_delete_file($filesarray[$key]['fullname'], 1, 1);
              if ($result) {
                $count++;
                $countdeleted++;
              } else {
                $counterror++;
              }
            }
          }
        }

        // Update cachenbofdoc
        if (!empty($conf->ecm->enabled) && $choice == 'allfiles') {
          require_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmdirectory.class.php';
          $ecmdirstatic = new EcmDirectory($this->db);
          $result = $ecmdirstatic->refreshcachenboffile(1);
        }
      }
    }

    if ($count > 0) {
      $this->output = $langs->trans("PurgeNDirectoriesDeleted", $countdeleted);
      if ($count > $countdeleted) {
        $this->output .= '<br>'.$langs->trans("PurgeNDirectoriesFailed", ($count - $countdeleted));
      }
    } else {
      $this->output = $langs->trans("PurgeNothingToDelete").(in_array('tempfilesold', $choicesarray) ? ' (older than 24h for temp files)' : '');
    }

    // Recreate temp dir that are not automatically recreated by core code for performance purpose, we need them
    if (!empty($conf->api->enabled)) {
      dol_mkdir($conf->api->dir_temp);
    }
    dol_mkdir($conf->user->dir_temp);

    //return $count;
    return 0; // This function can be called by cron so must return 0 if OK
  }


  public function dumpDatabase($compression = 'none', $type = 'auto', $usedefault = 1, $file = 'auto', $keeplastnfiles = 0, $execmethod = 0)
  {
    global $db, $conf, $langs, $dolibarr_main_data_root;
    global $dolibarr_main_db_name, $dolibarr_main_db_host, $dolibarr_main_db_user, $dolibarr_main_db_port, $dolibarr_main_db_pass;
    global $dolibarr_main_db_character_set;

    $langs->load("admin");

    dol_syslog("Utils::dumpDatabase type=".$type." compression=".$compression." file=".$file, LOG_DEBUG);
    require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';

    // Check compression parameter
    if (!in_array($compression, array('none', 'gz', 'bz', 'zip', 'zstd'))) {
      $langs->load("errors");
      $this->error = $langs->transnoentitiesnoconv("ErrorBadValueForParameter", $compression, "Compression");
      return -1;
    }

    // Check type parameter
    if ($type == 'auto') {
      $type = $this->db->type;
    }
    if (!in_array($type, array('postgresql', 'pgsql', 'mysql', 'mysqli', 'mysqlnobin'))) {
      $langs->load("errors");
      $this->error = $langs->transnoentitiesnoconv("ErrorBadValueForParameter", $type, "Basetype");
      return -1;
    }

    // Check file parameter
    if ($file == 'auto') {
      $prefix = 'dump';
      $ext = 'sql';
      if (in_array($type, array('mysql', 'mysqli'))) {
        $prefix = 'mysqldump';
        $ext = 'sql';
      }
      //if ($label == 'PostgreSQL') { $prefix='pg_dump'; $ext='dump'; }
      if (in_array($type, array('pgsql'))) {
        $prefix = 'pg_dump';
        $ext = 'sql';
      }
      $file = $prefix.'_'.$dolibarr_main_db_name.'_'.dol_sanitizeFileName(DOL_VERSION).'_'.dol_print_date(dol_now('gmt'), "dayhourlogsmall", 'tzuser').'.'.$ext;
    }

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

    // MYSQL
    if ($type == 'mysql' || $type == 'mysqli') {
      if (empty($conf->global->SYSTEMTOOLS_MYSQLDUMP)) {
        $cmddump = $db->getPathOfDump();
      } else {
        $cmddump = $conf->global->SYSTEMTOOLS_MYSQLDUMP;
      }
      if (empty($cmddump)) {
        $this->error = "Failed to detect command to use for mysqldump. Try a manual backup before to set path of command.";
        return -1;
      }

      $outputfile = $outputdir.'/'.$file;
      // for compression format, we add extension
      $compression = $compression ? $compression : 'none';
      if ($compression == 'gz') {
        $outputfile .= '.gz';
      } elseif ($compression == 'bz') {
        $outputfile .= '.bz2';
      } elseif ($compression == 'zstd') {
        $outputfile .= '.zst';
      }
      $outputerror = $outputfile.'.err';
      dol_mkdir($conf->admin->dir_output.'/backup');

      // Parameteres execution
      $command = $cmddump;
      $command = preg_replace('/(\$|%)/', '', $command); // We removed chars that can be used to inject vars that contains space inside path of command without seeing there is a space to bypass the escapeshellarg.
      if (preg_match("/\s/", $command)) {
        $command = escapeshellarg($command); // If there is spaces, we add quotes on command to be sure $command is only a program and not a program+parameters
      }

      //$param=escapeshellarg($dolibarr_main_db_name)." -h ".escapeshellarg($dolibarr_main_db_host)." -u ".escapeshellarg($dolibarr_main_db_user)." -p".escapeshellarg($dolibarr_main_db_pass);
      $param = $dolibarr_main_db_name." -h ".$dolibarr_main_db_host;
      $param .= " -u ".$dolibarr_main_db_user;
      if (!empty($dolibarr_main_db_port)) {
        $param .= " -P ".$dolibarr_main_db_port." --protocol=tcp";
      }
      if (GETPOST("use_transaction", "alpha")) {
        $param .= " --single-transaction";
      }
      if (GETPOST("disable_fk", "alpha") || $usedefault) {
        $param .= " -K";
      }
      if (GETPOST("sql_compat", "alpha") && GETPOST("sql_compat", "alpha") != 'NONE') {
        $param .= " --compatible=".escapeshellarg(GETPOST("sql_compat", "alpha"));
      }
      if (GETPOST("drop_database", "alpha")) {
        $param .= " --add-drop-database";
      }
      if (GETPOST("use_mysql_quick_param", "alpha")) {
        $param .= " --quick";
      }
      if (GETPOST("sql_structure", "alpha") || $usedefault) {
        if (GETPOST("drop", "alpha") || $usedefault) {
          $param .= " --add-drop-table=TRUE";
        } else {
          $param .= " --add-drop-table=FALSE";
        }
      } else {
        $param .= " -t";
      }
      if (GETPOST("disable-add-locks", "alpha")) {
        $param .= " --add-locks=FALSE";
      }
      if (GETPOST("sql_data", "alpha") || $usedefault) {
        $param .= " --tables";
        if (GETPOST("showcolumns", "alpha") || $usedefault) {
          $param .= " -c";
        }
        if (GETPOST("extended_ins", "alpha") || $usedefault) {
          $param .= " -e";
        } else {
          $param .= " --skip-extended-insert";
        }
        if (GETPOST("delayed", "alpha")) {
          $param .= " --delayed-insert";
        }
        if (GETPOST("sql_ignore", "alpha")) {
          $param .= " --insert-ignore";
        }
        if (GETPOST("hexforbinary", "alpha") || $usedefault) {
          $param .= " --hex-blob";
        }
      } else {
        $param .= " -d"; // No row information (no data)
      }
      if ($dolibarr_main_db_character_set == 'utf8mb4') {
        // We save output into utf8mb4 charset
        $param .= " --default-character-set=utf8mb4 --no-tablespaces";
      } else {
        $param .= " --default-character-set=utf8 --no-tablespaces"; // We always save output into utf8 charset
      }
      $paramcrypted = $param;
      $paramclear = $param;
      if (!empty($dolibarr_main_db_pass)) {
        $paramcrypted .= ' -p"'.preg_replace('/./i', '*', $dolibarr_main_db_pass).'"';
        $paramclear .= ' -p"'.str_replace(array('"', '`', '$'), array('\"', '\`', '\$'), $dolibarr_main_db_pass).'"';
      }

      $handle = '';

      $lowmemorydump = GETPOSTISSET("lowmemorydump") ? GETPOST("lowmemorydump") : getDolGlobalString('MAIN_LOW_MEMORY_DUMP');

      // Start call method to execute dump
      $fullcommandcrypted = $command." ".$paramcrypted." 2>&1";
      $fullcommandclear = $command." ".$paramclear." 2>&1";
      if (!$lowmemorydump) {
        if ($compression == 'none') {
          $handle = fopen($outputfile, 'w');
        } elseif ($compression == 'gz') {
          $handle = gzopen($outputfile, 'w');
        } elseif ($compression == 'bz') {
          $handle = bzopen($outputfile, 'w');
        } elseif ($compression == 'zstd') {
          $handle = fopen($outputfile, 'w');
        }
      } else {
        if ($compression == 'none') {
          $fullcommandclear .= " > ".$outputfile;
          $fullcommandcrypted .= " > ".$outputfile;
          $handle = 1;
        } elseif ($compression == 'gz') {
          $fullcommandclear .= " | gzip > ".$outputfile;
          $fullcommandcrypted .= " | gzip > ".$outputfile;
          $paramcrypted.=" | gzip";
          $handle = 1;
        } elseif ($compression == 'bz') {
          $fullcommandclear .= " | bzip2 > ".$outputfile;
          $fullcommandcrypted .= " | bzip2 > ".$outputfile;
          $paramcrypted.=" | bzip2";
          $handle = 1;
        } elseif ($compression == 'zstd') {
          $fullcommandclear .= " | zstd > ".$outputfile;
          $fullcommandcrypted .= " | zstd > ".$outputfile;
          $paramcrypted.=" | zstd";
          $handle = 1;
        }
      }

      $ok = 0;
      if ($handle) {
        if (!empty($conf->global->MAIN_EXEC_USE_POPEN)) {
          $execmethod = $conf->global->MAIN_EXEC_USE_POPEN;
        }
        if (empty($execmethod)) {
          $execmethod = 1;
        }

        dol_syslog("Utils::dumpDatabase execmethod=".$execmethod." command:".$fullcommandcrypted, LOG_INFO);


        /* If value has been forced with a php_admin_value, this has no effect. Example of value: '512M' */
        $MemoryLimit = getDolGlobalString('MAIN_MEMORY_LIMIT_DUMP');
        if (!empty($MemoryLimit)) {
          @ini_set('memory_limit', $MemoryLimit);
        }


        // TODO Replace with executeCLI function but
        // we must first introduce a low memory mode
        if ($execmethod == 1) {
          $output_arr = array();
          $retval = null;

          exec($fullcommandclear, $output_arr, $retval);

          if ($retval != 0) {
            $langs->load("errors");
            dol_syslog("Datadump retval after exec=".$retval, LOG_ERR);
            $errormsg = 'Error '.$retval;
            $ok = 0;
          } else {
            $i = 0;
            if (!empty($output_arr)) {
              foreach ($output_arr as $key => $read) {
                $i++; // output line number
                if ($i == 1 && preg_match('/Warning.*Using a password/i', $read)) {
                  continue;
                }
                if (!$lowmemorydump) {
                  fwrite($handle, $read.($execmethod == 2 ? '' : "\n"));
                  if (preg_match('/'.preg_quote('-- Dump completed', '/').'/i', $read)) {
                    $ok = 1;
                  } elseif (preg_match('/'.preg_quote('SET SQL_NOTES=@OLD_SQL_NOTES', '/').'/i', $read)) {
                    $ok = 1;
                  }
                } else {
                  // If we have a result here in lowmemorydump mode, something is strange
                }
              }
            } elseif ($lowmemorydump) {
              $ok = 1;
            }
          }
        }

        if ($execmethod == 2) { // With this method, there is no way to get the return code, only output
          $handlein = popen($fullcommandclear, 'r');
          $i = 0;
          if ($handlein) {
            while (!feof($handlein)) {
              $i++; // output line number
              $read = fgets($handlein);
              // Exclude warning line we don't want
              if ($i == 1 && preg_match('/Warning.*Using a password/i', $read)) {
                continue;
              }
              fwrite($handle, $read);
              if (preg_match('/'.preg_quote('-- Dump completed').'/i', $read)) {
                $ok = 1;
              } elseif (preg_match('/'.preg_quote('SET SQL_NOTES=@OLD_SQL_NOTES').'/i', $read)) {
                $ok = 1;
              }
            }
            pclose($handlein);
          }
        }


        if ($compression == 'none') {
          fclose($handle);
        } elseif ($compression == 'gz') {
          gzclose($handle);
        } elseif ($compression == 'bz') {
          bzclose($handle);
        } elseif ($compression == 'zstd') {
          fclose($handle);
        }

        if (!empty($conf->global->MAIN_UMASK)) {
          @chmod($outputfile, octdec($conf->global->MAIN_UMASK));
        }
      } else {
        $langs->load("errors");
        dol_syslog("Failed to open file ".$outputfile, LOG_ERR);
        $errormsg = $langs->trans("ErrorFailedToWriteInDir");
      }

      // Get errorstring
      if ($compression == 'none') {
        $handle = fopen($outputfile, 'r');
      } elseif ($compression == 'gz') {
        $handle = gzopen($outputfile, 'r');
      } elseif ($compression == 'bz') {
        $handle = bzopen($outputfile, 'r');
      } elseif ($compression == 'zstd') {
        $handle = fopen($outputfile, 'r');
      }
      if ($handle) {
        // Get 2048 first chars of error message.
        $errormsg = fgets($handle, 2048);
        //$ok=0;$errormsg='';  To force error

        // Close file
        if ($compression == 'none') {
          fclose($handle);
        } elseif ($compression == 'gz') {
          gzclose($handle);
        } elseif ($compression == 'bz') {
          bzclose($handle);
        } elseif ($compression == 'zstd') {
          fclose($handle);
        }
        if ($ok && preg_match('/^-- (MySql|MariaDB)/i', $errormsg)) { // No error
          $errormsg = '';
        } else {
          // Renommer fichier sortie en fichier erreur
          //print "$outputfile -> $outputerror";
          @dol_delete_file($outputerror, 1, 0, 0, null, false, 0);
          @rename($outputfile, $outputerror);
          // Si safe_mode on et command hors du parametre exec, on a un fichier out vide donc errormsg vide
          if (!$errormsg) {
            $langs->load("errors");
            $errormsg = $langs->trans("ErrorFailedToRunExternalCommand");
          }
        }
      }
      // Fin execution commande

      $this->output = $errormsg;
      $this->error = $errormsg;
      $this->result = array("commandbackuplastdone" => $command." ".$paramcrypted, "commandbackuptorun" => "");
      //if (empty($this->output)) $this->output=$this->result['commandbackuplastdone'];
    }

    // MYSQL NO BIN
    if ($type == 'mysqlnobin') {
      $outputfile = $outputdir.'/'.$file;
      $outputfiletemp = $outputfile.'-TMP.sql';
      // for compression format, we add extension
      $compression = $compression ? $compression : 'none';
      if ($compression == 'gz') {
        $outputfile .= '.gz';
      }
      if ($compression == 'bz') {
        $outputfile .= '.bz2';
      }
      $outputerror = $outputfile.'.err';
      dol_mkdir($conf->admin->dir_output.'/backup');

      if ($compression == 'gz' or $compression == 'bz') {
        $this->backupTables($outputfiletemp);
        dol_compress_file($outputfiletemp, $outputfile, $compression);
        unlink($outputfiletemp);
      } else {
        $this->backupTables($outputfile);
      }

      $this->output = "";
      $this->result = array("commandbackuplastdone" => "", "commandbackuptorun" => "");
    }

    // POSTGRESQL
    if ($type == 'postgresql' || $type == 'pgsql') {
      $cmddump = $conf->global->SYSTEMTOOLS_POSTGRESQLDUMP;

      $outputfile = $outputdir.'/'.$file;
      // for compression format, we add extension
      $compression = $compression ? $compression : 'none';
      if ($compression == 'gz') {
        $outputfile .= '.gz';
      }
      if ($compression == 'bz') {
        $outputfile .= '.bz2';
      }
      $outputerror = $outputfile.'.err';
      dol_mkdir($conf->admin->dir_output.'/backup');

      // Parameteres execution
      $command = $cmddump;
      $command = preg_replace('/(\$|%)/', '', $command); // We removed chars that can be used to inject vars that contains space inside path of command without seeing there is a space to bypass the escapeshellarg.
      if (preg_match("/\s/", $command)) {
        $command = escapeshellarg($command); // If there is spaces, we add quotes on command to be sure $command is only a program and not a program+parameters
      }

      //$param=escapeshellarg($dolibarr_main_db_name)." -h ".escapeshellarg($dolibarr_main_db_host)." -u ".escapeshellarg($dolibarr_main_db_user)." -p".escapeshellarg($dolibarr_main_db_pass);
      //$param="-F c";
      $param = "-F p";
      $param .= " --no-tablespaces --inserts -h ".$dolibarr_main_db_host;
      $param .= " -U ".$dolibarr_main_db_user;
      if (!empty($dolibarr_main_db_port)) {
        $param .= " -p ".$dolibarr_main_db_port;
      }
      if (GETPOST("sql_compat") && GETPOST("sql_compat") == 'ANSI') {
        $param .= "  --disable-dollar-quoting";
      }
      if (GETPOST("drop_database")) {
        $param .= " -c -C";
      }
      if (GETPOST("sql_structure")) {
        if (GETPOST("drop")) {
          $param .= " --add-drop-table";
        }
        if (!GETPOST("sql_data")) {
          $param .= " -s";
        }
      }
      if (GETPOST("sql_data")) {
        if (!GETPOST("sql_structure")) {
          $param .= " -a";
        }
        if (GETPOST("showcolumns")) {
          $param .= " -c";
        }
      }
      $param .= ' -f "'.$outputfile.'"';
      //if ($compression == 'none')
      if ($compression == 'gz') {
        $param .= ' -Z 9';
      }
      //if ($compression == 'bz')
      $paramcrypted = $param;
      $paramclear = $param;
      /*if (! empty($dolibarr_main_db_pass))
       {
       $paramcrypted.=" -W".preg_replace('/./i','*',$dolibarr_main_db_pass);
       $paramclear.=" -W".$dolibarr_main_db_pass;
       }*/
      $paramcrypted .= " -w ".$dolibarr_main_db_name;
      $paramclear .= " -w ".$dolibarr_main_db_name;

      $this->output = "";
      $this->result = array("commandbackuplastdone" => "", "commandbackuptorun" => $command." ".$paramcrypted);
    }

    // Clean old files
    if (!$errormsg && $keeplastnfiles > 0) {
      $tmpfiles = dol_dir_list($conf->admin->dir_output.'/backup', 'files', 0, '', '(\.err|\.old|\.sav)$', 'date', SORT_DESC);
      $i = 0;
      foreach ($tmpfiles as $key => $val) {
        $i++;
        if ($i <= $keeplastnfiles) {
          continue;
        }
        dol_delete_file($val['fullname'], 0, 0, 0, null, false, 0);
      }
    }

    return ($errormsg ? -1 : 0);
  }



  public function executeCLI($command, $outputfile, $execmethod = 0, $redirectionfile = null, $noescapecommand = 0, $redirectionfileerr = null)
  {
    global $conf, $langs;

    $result = 0;
    $output = '';
    $error = '';

    if (empty($noescapecommand)) {
      $command = escapeshellcmd($command);
    }

    if ($redirectionfile) {
      $command .= " > ".dol_sanitizePathName($redirectionfile);
    }

    if ($redirectionfileerr && ($redirectionfileerr != $redirectionfile)) {
      // If we ask a redirect of stderr on a given file not already used for stdout
      $command .= " 2> ".dol_sanitizePathName($redirectionfileerr);
    } else {
      $command .= " 2>&1";
    }

    if (!empty($conf->global->MAIN_EXEC_USE_POPEN)) {
      $execmethod = $conf->global->MAIN_EXEC_USE_POPEN;
    }
    if (empty($execmethod)) {
      $execmethod = 1;
    }
    //$execmethod=1;
    dol_syslog("Utils::executeCLI execmethod=".$execmethod." command=".$command, LOG_DEBUG);
    $output_arr = array();

    if ($execmethod == 1) {
      $retval = null;
      exec($command, $output_arr, $retval);
      $result = $retval;
      if ($retval != 0) {
        $langs->load("errors");
        dol_syslog("Utils::executeCLI retval after exec=".$retval, LOG_ERR);
        $error = 'Error '.$retval;
      }
    }
    if ($execmethod == 2) { // With this method, there is no way to get the return code, only output
      $handle = fopen($outputfile, 'w+b');
      if ($handle) {
        dol_syslog("Utils::executeCLI run command ".$command);
        $handlein = popen($command, 'r');
        while (!feof($handlein)) {
          $read = fgets($handlein);
          fwrite($handle, $read);
          $output_arr[] = $read;
        }
        pclose($handlein);
        fclose($handle);
      }
      if (!empty($conf->global->MAIN_UMASK)) {
        @chmod($outputfile, octdec($conf->global->MAIN_UMASK));
      }
    }

    // Update with result
    if (is_array($output_arr) && count($output_arr) > 0) {
      foreach ($output_arr as $val) {
        $output .= $val.($execmethod == 2 ? '' : "\n");
      }
    }

    dol_syslog("Utils::executeCLI result=".$result." output=".$output." error=".$error, LOG_DEBUG);

    return array('result'=>$result, 'output'=>$output, 'error'=>$error);
  }

  public function generateDoc($module)
  {
    global $conf, $langs, $user, $mysoc;
    global $dirins;

    $error = 0;

    $modulelowercase = strtolower($module);
    $now = dol_now();

    // Dir for module
    $dir = $dirins.'/'.$modulelowercase;
    // Zip file to build
    $FILENAMEDOC = '';

    // Load module
    dol_include_once($modulelowercase.'/core/modules/mod'.$module.'.class.php');
    $class = 'mod'.$module;

    if (class_exists($class)) {
      try {
        $moduleobj = new $class($this->db);
      } catch (Exception $e) {
        $error++;
        dol_print_error($e->getMessage());
      }
    } else {
      $error++;
      $langs->load("errors");
      dol_print_error($langs->trans("ErrorFailedToLoadModuleDescriptorForXXX", $module));
      exit;
    }

    $arrayversion = explode('.', $moduleobj->version, 3);
    if (count($arrayversion)) {
      $FILENAMEASCII = strtolower($module).'.asciidoc';
      $FILENAMEDOC = strtolower($module).'.html';
      $FILENAMEDOCPDF = strtolower($module).'.pdf';

      $dirofmodule = dol_buildpath(strtolower($module), 0);
      $dirofmoduledoc = dol_buildpath(strtolower($module), 0).'/doc';
      $dirofmoduletmp = dol_buildpath(strtolower($module), 0).'/doc/temp';
      $outputfiledoc = $dirofmoduledoc.'/'.$FILENAMEDOC;
      if ($dirofmoduledoc) {
        if (!dol_is_dir($dirofmoduledoc)) {
          dol_mkdir($dirofmoduledoc);
        }
        if (!dol_is_dir($dirofmoduletmp)) {
          dol_mkdir($dirofmoduletmp);
        }
        if (!is_writable($dirofmoduletmp)) {
          $this->error = 'Dir '.$dirofmoduletmp.' does not exists or is not writable';
          return -1;
        }

        if (empty($conf->global->MODULEBUILDER_ASCIIDOCTOR) && empty($conf->global->MODULEBUILDER_ASCIIDOCTORPDF)) {
          $this->error = 'Setup of module ModuleBuilder not complete';
          return -1;
        }

        // Copy some files into temp directory, so instruction include::ChangeLog.md[] will works inside the asciidoc file.
        dol_copy($dirofmodule.'/README.md', $dirofmoduletmp.'/README.md', 0, 1);
        dol_copy($dirofmodule.'/ChangeLog.md', $dirofmoduletmp.'/ChangeLog.md', 0, 1);

        // Replace into README.md and ChangeLog.md (in case they are included into documentation with tag __README__ or __CHANGELOG__)
        $arrayreplacement = array();
        $arrayreplacement['/^#\s.*/m'] = ''; // Remove first level of title into .md files
        $arrayreplacement['/^#/m'] = '##'; // Add on # to increase level

        dolReplaceInFile($dirofmoduletmp.'/README.md', $arrayreplacement, '', 0, 0, 1);
        dolReplaceInFile($dirofmoduletmp.'/ChangeLog.md', $arrayreplacement, '', 0, 0, 1);


        $destfile = $dirofmoduletmp.'/'.$FILENAMEASCII;

        $fhandle = fopen($destfile, 'w+');
        if ($fhandle) {
          $specs = dol_dir_list(dol_buildpath(strtolower($module).'/doc', 0), 'files', 1, '(\.md|\.asciidoc)$', array('\/temp\/'));

          $i = 0;
          foreach ($specs as $spec) {
            if (preg_match('/notindoc/', $spec['relativename'])) {
              continue; // Discard file
            }
            if (preg_match('/example/', $spec['relativename'])) {
              continue; // Discard file
            }
            if (preg_match('/disabled/', $spec['relativename'])) {
              continue; // Discard file
            }

            $pathtofile = strtolower($module).'/doc/'.$spec['relativename'];
            $format = 'asciidoc';
            if (preg_match('/\.md$/i', $spec['name'])) {
              $format = 'markdown';
            }

            $filecursor = @file_get_contents($spec['fullname']);
            if ($filecursor) {
              fwrite($fhandle, ($i ? "\n<<<\n\n" : "").$filecursor."\n");
            } else {
              $this->error = 'Failed to concat content of file '.$spec['fullname'];
              return -1;
            }

            $i++;
          }

          fclose($fhandle);

          $contentreadme = file_get_contents($dirofmoduletmp.'/README.md');
          $contentchangelog = file_get_contents($dirofmoduletmp.'/ChangeLog.md');

          include DOL_DOCUMENT_ROOT.'/core/lib/parsemd.lib.php';

          //var_dump($phpfileval['fullname']);
          $arrayreplacement = array(
            'mymodule'=>strtolower($module),
            'MyModule'=>$module,
            'MYMODULE'=>strtoupper($module),
            'My module'=>$module,
            'my module'=>$module,
            'Mon module'=>$module,
            'mon module'=>$module,
            'htdocs/modulebuilder/template'=>strtolower($module),
            '__MYCOMPANY_NAME__'=>$mysoc->name,
            '__KEYWORDS__'=>$module,
            '__USER_FULLNAME__'=>$user->getFullName($langs),
            '__USER_EMAIL__'=>$user->email,
            '__YYYY-MM-DD__'=>dol_print_date($now, 'dayrfc'),
            '---Put here your own copyright and developer email---'=>dol_print_date($now, 'dayrfc').' '.$user->getFullName($langs).($user->email ? ' <'.$user->email.'>' : ''),
            '__DATA_SPECIFICATION__'=>'Not yet available',
            '__README__'=>dolMd2Asciidoc($contentreadme),
            '__CHANGELOG__'=>dolMd2Asciidoc($contentchangelog),
          );

          dolReplaceInFile($destfile, $arrayreplacement);
        }

        // Launch doc generation
        $currentdir = getcwd();
        chdir($dirofmodule);

        require_once DOL_DOCUMENT_ROOT.'/core/class/utils.class.php';
        $utils = new Utils($this->db);

        // Build HTML doc
        $command = $conf->global->MODULEBUILDER_ASCIIDOCTOR.' '.$destfile.' -n -o '.$dirofmoduledoc.'/'.$FILENAMEDOC;
        $outfile = $dirofmoduletmp.'/out.tmp';

        $resarray = $utils->executeCLI($command, $outfile);
        if ($resarray['result'] != '0') {
          $this->error = $resarray['error'].' '.$resarray['output'];
          $this->errors[] = $this->error;
        }
        $result = ($resarray['result'] == 0) ? 1 : 0;
        if ($result < 0 && empty($this->errors)) {
          $this->error = $langs->trans("ErrorFailToGenerateFile", $FILENAMEDOC);
          $this->errors[] = $this->error;
        }

        // Build PDF doc
        $command = $conf->global->MODULEBUILDER_ASCIIDOCTORPDF.' '.$destfile.' -n -o '.$dirofmoduledoc.'/'.$FILENAMEDOCPDF;
        $outfile = $dirofmoduletmp.'/outpdf.tmp';
        $resarray = $utils->executeCLI($command, $outfile);
        if ($resarray['result'] != '0') {
          $this->error = $resarray['error'].' '.$resarray['output'];
          $this->errors[] = $this->error;
        }
        $result = ($resarray['result'] == 0) ? 1 : 0;
        if ($result < 0 && empty($this->errors)) {
          $this->error = $langs->trans("ErrorFailToGenerateFile", $FILENAMEDOCPDF);
          $this->errors[] = $this->error;
        }

        chdir($currentdir);
      } else {
        $result = 0;
      }

      if ($result > 0) {
        return 1;
      } else {
        $error++;
      }
    } else {
      $error++;
      $langs->load("errors");
      $this->error = $langs->trans("ErrorCheckVersionIsDefined");
    }

    return -1;
  }

  public function compressSyslogs()
  {
    global $conf;

    if (empty($conf->loghandlers['mod_syslog_file'])) { // File Syslog disabled
      return 0;
    }

    if (!function_exists('gzopen')) {
      $this->error = 'Support for gzopen not available in this PHP';
      return -1;
    }

    dol_include_once('/core/lib/files.lib.php');

    $nbSaves = intval(getDolGlobalString('SYSLOG_FILE_SAVES', 10));

    if (empty($conf->global->SYSLOG_FILE)) {
      $mainlogdir = DOL_DATA_ROOT;
      $mainlog = 'dolibarr.log';
    } else {
      $mainlogfull = str_replace('DOL_DATA_ROOT', DOL_DATA_ROOT, $conf->global->SYSLOG_FILE);
      $mainlogdir = dirname($mainlogfull);
      $mainlog = basename($mainlogfull);
    }

    $tabfiles = dol_dir_list(DOL_DATA_ROOT, 'files', 0, '^(dolibarr_.+|odt2pdf)\.log$'); // Also handle other log files like dolibarr_install.log
    $tabfiles[] = array('name' => $mainlog, 'path' => $mainlogdir);

    foreach ($tabfiles as $file) {
      $logname = $file['name'];
      $logpath = $file['path'];

      if (dol_is_file($logpath.'/'.$logname) && dol_filesize($logpath.'/'.$logname) > 0) {  // If log file exists and is not empty
        // Handle already compressed files to rename them and add +1

        $filter = '^'.preg_quote($logname, '/').'\.([0-9]+)\.gz$';

        $gzfilestmp = dol_dir_list($logpath, 'files', 0, $filter);
        $gzfiles = array();

        foreach ($gzfilestmp as $gzfile) {
          $tabmatches = array();
          preg_match('/'.$filter.'/i', $gzfile['name'], $tabmatches);

          $numsave = intval($tabmatches[1]);

          $gzfiles[$numsave] = $gzfile;
        }

        krsort($gzfiles, SORT_NUMERIC);

        foreach ($gzfiles as $numsave => $dummy) {
          if (dol_is_file($logpath.'/'.$logname.'.'.($numsave + 1).'.gz')) {
            return -2;
          }

          if ($numsave >= $nbSaves) {
            dol_delete_file($logpath.'/'.$logname.'.'.$numsave.'.gz', 0, 0, 0, null, false, 0);
          } else {
            dol_move($logpath.'/'.$logname.'.'.$numsave.'.gz', $logpath.'/'.$logname.'.'.($numsave + 1).'.gz', 0, 1, 0, 0);
          }
        }

        // Compress current file and recreate it

        if ($nbSaves > 0) {     // If $nbSaves is 1, we keep 1 archive .gz file, If 2, we keep 2 .gz files
          $gzfilehandle = gzopen($logpath.'/'.$logname.'.1.gz', 'wb9');

          if (empty($gzfilehandle)) {
            $this->error = 'Failted to open file '.$logpath.'/'.$logname.'.1.gz';
            return -3;
          }

          $sourcehandle = fopen($logpath.'/'.$logname, 'r');

          if (empty($sourcehandle)) {
            $this->error = 'Failed to open file '.$logpath.'/'.$logname;
            return -4;
          }

          while (!feof($sourcehandle)) {
            gzwrite($gzfilehandle, fread($sourcehandle, 512 * 1024)); // Read 512 kB at a time
          }

          fclose($sourcehandle);
          gzclose($gzfilehandle);

          @chmod($logpath.'/'.$logname.'.1.gz', octdec(empty($conf->global->MAIN_UMASK) ? '0664' : $conf->global->MAIN_UMASK));
        }

        dol_delete_file($logpath.'/'.$logname, 0, 0, 0, null, false, 0);

        // Create empty file
        $newlog = fopen($logpath.'/'.$logname, 'a+');
        fclose($newlog);

        //var_dump($logpath.'/'.$logname." - ".octdec(empty($conf->global->MAIN_UMASK)?'0664':$conf->global->MAIN_UMASK));
        @chmod($logpath.'/'.$logname, octdec(empty($conf->global->MAIN_UMASK) ? '0664' : $conf->global->MAIN_UMASK));
      }
    }

    $this->output = 'Archive log files (keeping last SYSLOG_FILE_SAVES='.$nbSaves.' files) done.';
    return 0;
  }

  public function backupTables($outputfile, $tables = '*')
  {
    global $db, $langs;
    global $errormsg;

    // Set to UTF-8
    if (is_a($db, 'DoliDBMysqli')) {
      $db->db->set_charset('utf8');
    } else {
      $db->query('SET NAMES utf8');
      $db->query('SET CHARACTER SET utf8');
    }

    //get all of the tables
    if ($tables == '*') {
      $tables = array();
      $result = $db->query('SHOW FULL TABLES WHERE Table_type = \'BASE TABLE\'');
      while ($row = $db->fetch_row($result)) {
        $tables[] = $row[0];
      }
    } else {
      $tables = is_array($tables) ? $tables : explode(',', $tables);
    }

    //cycle through
    $handle = fopen($outputfile, 'w+');
    if (fwrite($handle, '') === false) {
      $langs->load("errors");
      dol_syslog("Failed to open file ".$outputfile, LOG_ERR);
      $errormsg = $langs->trans("ErrorFailedToWriteInDir");
      return -1;
    }

    // Print headers and global mysql config vars
    $sqlhead = '';
    $sqlhead .= "-- ".$db::LABEL." dump via php with Dolibarr ".DOL_VERSION."
--
-- Host: ".$db->db->host_info."    Database: ".$db->database_name."
-- ------------------------------------------------------
-- Server version ".$db->db->server_info."
;;;;;;;;;;

";

    if (GETPOST("nobin_disable_fk")) {
      $sqlhead .= "SET FOREIGN_KEY_CHECKS=0;\n";
    }
    //$sqlhead .= "SET SQL_MODE=\"NO_AUTO_VALUE_ON_ZERO\";\n";
    if (GETPOST("nobin_use_transaction")) {
      $sqlhead .= "SET AUTOCOMMIT=0;\nSTART TRANSACTION;\n";
    }

    fwrite($handle, $sqlhead);

    $ignore = '';
    if (GETPOST("nobin_sql_ignore")) {
      $ignore = 'IGNORE ';
    }
    $delayed = '';
    if (GETPOST("nobin_delayed")) {
      $delayed = 'DELAYED ';
    }

    // Process each table and print their definition + their datas
    foreach ($tables as $table) {
      // Saving the table structure
      fwrite($handle, "\n--\n-- Table structure for table `".$table."`\n--\n");

      if (GETPOST("nobin_drop")) {
        fwrite($handle, "DROP TABLE IF EXISTS `".$table."`;\n"); // Dropping table if exists prior to re create it
      }
      fwrite($handle, "/*!40101 SET @saved_cs_client     = @@character_set_client */;\n");
      fwrite($handle, "/*!40101 SET character_set_client = utf8 */;\n");
      $resqldrop = $db->query('SHOW CREATE TABLE '.$table);
      $row2 = $db->fetch_row($resqldrop);
      if (empty($row2[1])) {
        fwrite($handle, "\n-- WARNING: Show create table ".$table." return empy string when it should not.\n");
      } else {
        fwrite($handle, $row2[1].";\n");
        //fwrite($handle,"/*!40101 SET character_set_client = @saved_cs_client */;\n\n");

        // Dumping the data (locking the table and disabling the keys check while doing the process)
        fwrite($handle, "\n--\n-- Dumping data for table `".$table."`\n--\n");
        if (!GETPOST("nobin_nolocks")) {
          fwrite($handle, "LOCK TABLES `".$table."` WRITE;\n"); // Lock the table before inserting data (when the data will be imported back)
        }
        if (GETPOST("nobin_disable_fk")) {
          fwrite($handle, "ALTER TABLE `".$table."` DISABLE KEYS;\n");
        } else {
          fwrite($handle, "/*!40000 ALTER TABLE `".$table."` DISABLE KEYS */;\n");
        }

        $sql = "SELECT * FROM ".$table; // Here SELECT * is allowed because we don't have definition of columns to take
        $result = $db->query($sql);
        while ($row = $db->fetch_row($result)) {
          // For each row of data we print a line of INSERT
          fwrite($handle, "INSERT ".$delayed.$ignore."INTO ".$table." VALUES (");
          $columns = count($row);
          for ($j = 0; $j < $columns; $j++) {
            // Processing each columns of the row to ensure that we correctly save the value (eg: add quotes for string - in fact we add quotes for everything, it's easier)
            if ($row[$j] == null && !is_string($row[$j])) {
              // IMPORTANT: if the field is NULL we set it NULL
              $row[$j] = 'NULL';
            } elseif (is_string($row[$j]) && $row[$j] == '') {
              // if it's an empty string, we set it as an empty string
              $row[$j] = "''";
            } elseif (is_numeric($row[$j]) && !strcmp($row[$j], $row[$j] + 0)) { // test if it's a numeric type and the numeric version ($nb+0) == string version (eg: if we have 01, it's probably not a number but rather a string, else it would not have any leading 0)
              // if it's a number, we return it as-is
              //                      $row[$j] = $row[$j];
            } else { // else for all other cases we escape the value and put quotes around
              $row[$j] = addslashes($row[$j]);
              $row[$j] = preg_replace("#\n#", "\\n", $row[$j]);
              $row[$j] = "'".$row[$j]."'";
            }
          }
          fwrite($handle, implode(',', $row).");\n");
        }
        if (GETPOST("nobin_disable_fk")) {
          fwrite($handle, "ALTER TABLE `".$table."` ENABLE KEYS;\n"); // Enabling back the keys/index checking
        }
        if (!GETPOST("nobin_nolocks")) {
          fwrite($handle, "UNLOCK TABLES;\n"); // Unlocking the table
        }
        fwrite($handle, "\n\n\n");
      }
    }

    /* Backup Procedure structure*/
    /*
     $result = $db->query('SHOW PROCEDURE STATUS');
     if ($db->num_rows($result) > 0)
     {
     while ($row = $db->fetch_row($result)) { $procedures[] = $row[1]; }
     foreach($procedures as $proc)
     {
     fwrite($handle,"DELIMITER $$\n\n");
     fwrite($handle,"DROP PROCEDURE IF EXISTS '$name'.'$proc'$$\n");
     $resqlcreateproc=$db->query("SHOW CREATE PROCEDURE '$proc'");
     $row2 = $db->fetch_row($resqlcreateproc);
     fwrite($handle,"\n".$row2[2]."$$\n\n");
     fwrite($handle,"DELIMITER ;\n\n");
     }
     }
     */
    /* Backup Procedure structure*/

    // Write the footer (restore the previous database settings)
    $sqlfooter = "\n\n";
    if (GETPOST("nobin_use_transaction")) {
      $sqlfooter .= "COMMIT;\n";
    }
    if (GETPOST("nobin_disable_fk")) {
      $sqlfooter .= "SET FOREIGN_KEY_CHECKS=1;\n";
    }
    $sqlfooter .= "\n\n-- Dump completed on ".date('Y-m-d G-i-s');
    fwrite($handle, $sqlfooter);

    fclose($handle);

    return 1;
  }

  public function sendBackup($sendto = '', $from = '', $subject = '', $message = '', $filename = '', $filter = '')
  {
    global $conf, $langs;

    $filepath = '';
    $output = '';
    $error = 0;

    if (!empty($from)) {
      $from = dol_escape_htmltag($from);
    } elseif (!empty($conf->global->MAIN_INFO_SOCIETE_MAIL)) {
      $from = dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_MAIL);
    } else {
      $error++;
    }

    if (!empty($sendto)) {
      $sendto = dol_escape_htmltag($sendto);
    } elseif (!empty($conf->global->MAIN_INFO_SOCIETE_MAIL)) {
      $from = dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_MAIL);
    } else {
      $error++;
    }

    if (!empty($subject)) {
      $subject = dol_escape_htmltag($subject);
    } else {
      $subject = dol_escape_htmltag($langs->trans('MakeSendLocalDatabaseDumpShort'));
    }

    if (empty($message)) {
      $message = dol_escape_htmltag($langs->trans('MakeSendLocalDatabaseDumpShort'));
    }

    require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
    if ($filename) {
      if (dol_is_file($conf->admin->dir_output.'/backup/'.$filename)) {
        $tmpfiles = dol_most_recent_file($conf->admin->dir_output.'/backup', $filename);
      }
    } else {
      $tmpfiles = dol_most_recent_file($conf->admin->dir_output.'/backup', $filter);
    }
    if ($tmpfiles) {
      foreach ($tmpfiles as $key => $val) {
        if ($key  == 'fullname') {
          $filepath = array($val);
          $filesize = dol_filesize($val);
        }
        if ($key  == 'type') {
          $mimetype = array($val);
        }
        if ($key  == 'relativename') {
          $filename = array($val);
        }
      }
    }

    if ($filepath) {
      if ($filesize > 100000000) {
        $output = 'Sorry, last backup file is too large to be send by email';
        $error++;
      }
    } else {
      $output = 'No backup file found';
      $error++;
    }

    if (!$error) {
      include_once DOL_DOCUMENT_ROOT . '/core/class/CMailFile.class.php';
      $mailfile = new CMailFile($subject, $sendto, $from, $message, $filepath, $mimetype, $filename, '', '', 0, -1);
      if ($mailfile->error) {
        $error++;
        $output = $mailfile->error;
      }
    }

    if (!$error) {
      $result = $mailfile->sendfile();
      if ($result <= 0) {
        $error++;
        $output = $mailfile->error;
      }
    }

    dol_syslog(__METHOD__, LOG_DEBUG);

    $this->error = $error;
    $this->output = $output;

    if ($result == true) {
      return 0;
    } else {
      return $result;
    }
  }
}