security.php

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<?php
/* Copyright (C) 2004-2009 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2005-2007 Regis Houssin        <regis.houssin@inodbox.com>
 * Copyright (C) 2013-2015 Juanjo Menent    <jmenent@2byte.es>
 *
 * 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/security2.lib.php';

$action = GETPOST('action', 'aZ09');

// Load translation files required by the page
$langs->loadLangs(array("users", "admin", "other"));

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

// Allow/Disallow change to clear passwords once passwords are crypted
$allow_disable_encryption = true;


/*
 * Actions
 */

if ($action == 'setgeneraterule') {
  if (!dolibarr_set_const($db, 'USER_PASSWORD_GENERATED', $_GET["value"], 'chaine', 0, '', $conf->entity)) {
    dol_print_error($db);
  } else {
    header("Location: ".$_SERVER["PHP_SELF"]);
    exit;
  }
}

if ($action == 'activate_encrypt') {
  $error = 0;

  $db->begin();

  dolibarr_set_const($db, "DATABASE_PWD_ENCRYPTED", "1", 'chaine', 0, '', $conf->entity);

  $sql = "SELECT u.rowid, u.pass, u.pass_crypted";
  $sql .= " FROM ".MAIN_DB_PREFIX."user as u";
  $sql .= " WHERE u.pass IS NOT NULL AND LENGTH(u.pass) < 32"; // Not a MD5 value

  $resql = $db->query($sql);
  if ($resql) {
    $numrows = $db->num_rows($resql);
    $i = 0;
    while ($i < $numrows) {
      $obj = $db->fetch_object($resql);
      if (dol_hash($obj->pass)) {
        $sql = "UPDATE ".MAIN_DB_PREFIX."user";
        $sql .= " SET pass_crypted = '".dol_hash($obj->pass)."', pass = NULL";
        $sql .= " WHERE rowid=".((int) $obj->rowid);
        //print $sql;

        $resql2 = $db->query($sql);
        if (!$resql2) {
          dol_print_error($db);
          $error++;
          break;
        }

        $i++;
      }
    }
  } else {
    dol_print_error($db);
  }

  //print $error." ".$sql;
  //exit;
  if (!$error) {
    $db->commit();
    header("Location: security.php");
    exit;
  } else {
    $db->rollback();
    dol_print_error($db, '');
  }
} elseif ($action == 'disable_encrypt') {
  //On n'autorise pas l'annulation de l'encryption car les mots de passe ne peuvent pas etre decodes
  //Do not allow "disable encryption" as passwords cannot be decrypted
  if ($allow_disable_encryption) {
    dolibarr_del_const($db, "DATABASE_PWD_ENCRYPTED", $conf->entity);
  }
  header("Location: security.php");
  exit;
}

if ($action == 'activate_encryptdbpassconf') {
  $result = encodedecode_dbpassconf(1);
  if ($result > 0) {
    sleep(3); // Don't know why but we need to wait file is completely saved before making the reload. Even with flush and clearstatcache, we need to wait.

    // database value not required
    //dolibarr_set_const($db, "MAIN_DATABASE_PWD_CONFIG_ENCRYPTED", "1");
    header("Location: security.php");
    exit;
  } else {
    setEventMessages($langs->trans('InstrucToEncodePass', dol_encode($dolibarr_main_db_pass)), null, 'warnings');
  }
} elseif ($action == 'disable_encryptdbpassconf') {
  $result = encodedecode_dbpassconf(0);
  if ($result > 0) {
    sleep(3); // Don't know why but we need to wait file is completely saved before making the reload. Even with flush and clearstatcache, we need to wait.

    // database value not required
    //dolibarr_del_const($db, "MAIN_DATABASE_PWD_CONFIG_ENCRYPTED",$conf->entity);
    header("Location: security.php");
    exit;
  } else {
    setEventMessages($langs->trans('InstrucToClearPass', $dolibarr_main_db_pass), null, 'warnings');
  }
}

if ($action == 'activate_MAIN_SECURITY_DISABLEFORGETPASSLINK') {
  dolibarr_set_const($db, "MAIN_SECURITY_DISABLEFORGETPASSLINK", '1', 'chaine', 0, '', $conf->entity);
  header("Location: security.php");
  exit;
} elseif ($action == 'disable_MAIN_SECURITY_DISABLEFORGETPASSLINK') {
  dolibarr_del_const($db, "MAIN_SECURITY_DISABLEFORGETPASSLINK", $conf->entity);
  header("Location: security.php");
  exit;
}

if ($action == 'updatepattern') {
  $pattern = GETPOST("pattern", "alpha");
  $explodePattern = explode(';', $pattern);

  $patternInError = false;
  if ($explodePattern[0] < 1 || $explodePattern[4] < 0) {
    $patternInError = true;
  }

  if ($explodePattern[0] < $explodePattern[1] + $explodePattern[2] + $explodePattern[3]) {
    $patternInError = true;
  }

  if (!$patternInError) {
    dolibarr_set_const($db, "USER_PASSWORD_PATTERN", $pattern, 'chaine', 0, '', $conf->entity);
    setEventMessages($langs->trans("SetupSaved"), null, 'mesgs');
    header("Location: security.php");
    exit;
  }
}



/*
 * View
 */

$form = new Form($db);

$wikihelp = 'EN:Setup_Security|FR:Paramétrage_Sécurité|ES:Configuración_Seguridad';
llxHeader('', $langs->trans("Passwords"), $wikihelp);

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

print '<span class="opacitymedium">'.$langs->trans("GeneratedPasswordDesc")."</span><br>\n";
print "<br>\n";


$head = security_prepare_head();

print dol_get_fiche_head($head, 'passwords', '', -1);

print '<br>';

// Select manager to generate passwords
print '<form action="'.$_SERVER["PHP_SELF"].'" method="POST">';
print '<input type="hidden" name="token" value="'.newToken().'">';
print '<input type="hidden" name="action" value="update">';
print '<input type="hidden" name="constname" value="USER_PASSWORD_GENERATED">';
print '<input type="hidden" name="consttype" value="yesno">';

// Charge tableau des modules generation
$dir = "../core/modules/security/generate";
clearstatcache();
$handle = opendir($dir);
$i = 1;
if (is_resource($handle)) {
  while (($file = readdir($handle)) !== false) {
    if (preg_match('/(modGeneratePass[a-z]+)\.class\.php$/i', $file, $reg)) {
      // Charging the numbering class
      $classname = $reg[1];
      require_once $dir.'/'.$file;

      $obj = new $classname($db, $conf, $langs, $user);
      $arrayhandler[$obj->id] = $obj;
      $i++;
    }
  }
  closedir($handle);
}
asort($arrayhandler);

print '<div class="div-table-responsive-no-min">';
print '<table class="noborder centpercent">';
print '<tr class="liste_titre">';
print '<td colspan="2">'.$langs->trans("RuleForGeneratedPasswords").'</td>';
print '<td>'.$langs->trans("Example").'</td>';
print '<td class="center">'.$langs->trans("Activated").'</td>';
print '</tr>';

foreach ($arrayhandler as $key => $module) {
  // Show modules according to features level
  if (!empty($module->version) && $module->version == 'development' && $conf->global->MAIN_FEATURES_LEVEL < 2) {
    continue;
  }
  if (!empty($module->version) && $module->version == 'experimental' && $conf->global->MAIN_FEATURES_LEVEL < 1) {
    continue;
  }

  if ($module->isEnabled()) {
    print '<tr class="oddeven"><td width="100">';
    print ucfirst($key);
    print "</td><td>\n";
    print $module->getDescription().'<br>';
    print $langs->trans("MinLength").': '.$module->length;
    print '</td>';

    // Show example of numbering module
    print '<td class="nowrap">';
    $tmp = $module->getExample();
    if (preg_match('/^Error/', $tmp)) {
      $langs->load("errors");
      print '<div class="error">'.$langs->trans($tmp).'</div>';
    } elseif ($tmp == 'NotConfigured') {
      print '<span class="opacitymedium">'.$langs->trans($tmp).'</span>';
    } else {
      print '<span class="opacitymedium">'.$tmp.'</span>';
    }
    print '</td>'."\n";

    print '<td width="100" align="center">';
    if ($conf->global->USER_PASSWORD_GENERATED == $key) {
      //print img_picto('', 'tick');
      print img_picto($langs->trans("Enabled"), 'switch_on');
    } else {
      print '<a href="'.$_SERVER['PHP_SELF'].'?action=setgeneraterule&token='.newToken().'&value='.$key.'">';
      //print $langs->trans("Activate");
      print img_picto($langs->trans("Disabled"), 'switch_off');
      print '</a>';
    }
    print "</td></tr>\n";
  }
}
print '</table>';
print '</div>';

print '</form>';

//if($conf->global->MAIN_SECURITY_DISABLEFORGETPASSLINK == 1)
// Patter for Password Perso
if ($conf->global->USER_PASSWORD_GENERATED == "Perso") {
  $tabConf = explode(";", $conf->global->USER_PASSWORD_PATTERN);
  print '<br>';

  print '<div class="div-table-responsive-no-min">';
  print '<table class="noborder centpercent">';
  print '<tr class="liste_titre">';
  print '<td colspan="2"> '.$langs->trans("PasswordPatternDesc").'</td>';
  print '</tr>';


  print '<tr class="oddeven">';
  print '<td>'.$langs->trans("MinLength")."</td>";
  print '<td><input type="number" value="'.$tabConf[0].'" id="minlenght" min="1"></td>';
  print '</tr>';


  print '<tr class="oddeven">';
  print '<td>'.$langs->trans("NbMajMin")."</td>";
  print '<td><input type="number" value="'.$tabConf[1].'" id="NbMajMin" min="0"></td>';
  print '</tr>';


  print '<tr class="oddeven">';
  print '<td>'.$langs->trans("NbNumMin")."</td>";
  print '<td><input type="number" value="'.$tabConf[2].'" id="NbNumMin" min="0"></td>';
  print '</tr>';


  print '<tr class="oddeven">';
  print '<td>'.$langs->trans("NbSpeMin")."</td>";
  print '<td><input type="number" value="'.$tabConf[3].'" id="NbSpeMin" min="0"></td>';
  print '</tr>';


  print '<tr class="oddeven">';
  print '<td>'.$langs->trans("NbIteConsecutive")."</td>";
  print '<td><input type="number" value="'.$tabConf[4].'" id="NbIteConsecutive" min="0"></td>';
  print '</tr>';


  print '<tr class="oddeven">';
  print '<td>'.$langs->trans("NoAmbiCaracAutoGeneration")."</td>";
  print '<td><input type="checkbox" id="NoAmbiCaracAutoGeneration" '.($tabConf[5] ? "checked" : "").' min="0"> <label for="NoAmbiCaracAutoGeneration" id="textcheckbox">'.($tabConf[5] ? $langs->trans("Activated") : $langs->trans("Disabled")).'</label></td>';
  print '</tr>';

  print '</table>';

  print '<br>';
  print '<div class="center">';
  print '<a class="button button-save" id="linkChangePattern">'.$langs->trans("Save").'</a>';
  print '</div>';
  print '<br><br>';

  print '<script type="text/javascript">';
  print ' function getStringArg(){';
  print '   var pattern = "";';
  print '   pattern += $("#minlenght").val() + ";";';
  print '   pattern += $("#NbMajMin").val() + ";";';
  print '   pattern += $("#NbNumMin").val() + ";";';
  print '   pattern += $("#NbSpeMin").val() + ";";';
  print '   pattern += $("#NbIteConsecutive").val() + ";";';
  print '   pattern += $("#NoAmbiCaracAutoGeneration")[0].checked ? "1" : "0";';
  print '   return pattern;';
  print ' }';

  print ' function valuePossible(){';
  print '   var fields = ["#minlenght", "#NbMajMin", "#NbNumMin", "#NbSpeMin", "#NbIteConsecutive"];';
  print '   for(var i = 0 ; i < fields.length ; i++){';
  print '       if($(fields[i]).val() < $(fields[i]).attr("min")){';
  print '           return false;';
  print '       }';
  print '   }';
  print '   ';
  print '   var length = parseInt($("#minlenght").val());';
  print '   var length_mini = parseInt($("#NbMajMin").val()) + parseInt($("#NbNumMin").val()) + parseInt($("#NbSpeMin").val());';
  print '   return length >= length_mini;';
  print ' }';

  print ' function generatelink(){';
  print '   return "security.php?action=updatepattern&token='.newToken().'&pattern="+getStringArg();';
  print ' }';

  print ' function valuePatternChange(){';
  print '     console.log("valuePatternChange");';
  print '   var lang_save = "'.$langs->trans("Save").'";';
  print '   var lang_error = "'.$langs->trans("Error").'";';
  print '   var lang_Disabled = "'.$langs->trans("Disabled").'";';
  print '   var lang_Activated = "'.$langs->trans("Activated").'";';
  print '   $("#textcheckbox").html($("#NoAmbiCaracAutoGeneration")[0].checked ? unescape(lang_Activated) : unescape(lang_Disabled));';
  print '   if(valuePossible()){';
  print '     $("#linkChangePattern").attr("href",generatelink()).text(lang_save);';
  print '   }';
  print '   else{';
  print '     $("#linkChangePattern").attr("href", null).text(lang_error);';
  print '   }';
  print ' }';

  print ' $("#minlenght").change(function(){valuePatternChange();});';
  print ' $("#NbMajMin").change(function(){valuePatternChange();});';
  print ' $("#NbNumMin").change(function(){valuePatternChange();});';
  print ' $("#NbSpeMin").change(function(){valuePatternChange();});';
  print ' $("#NbIteConsecutive").change(function(){valuePatternChange();});';
  print ' $("#NoAmbiCaracAutoGeneration").change(function(){valuePatternChange();});';

  print '</script>';
}


// Cryptage mot de passe
print '<br>';
print "<form method=\"post\" action=\"".$_SERVER["PHP_SELF"]."\">";
print '<input type="hidden" name="token" value="'.newToken().'">';
print "<input type=\"hidden\" name=\"action\" value=\"encrypt\">";

print '<table class="noborder centpercent">';
print '<tr class="liste_titre">';
print '<td colspan="3">'.$langs->trans("Parameters").'</td>';
print '<td class="center">'.$langs->trans("Activated").'</td>';
print '<td class="center">'.$langs->trans("Action").'</td>';
print '</tr>';

// Disable clear password in database
print '<tr class="oddeven">';
print '<td colspan="3">'.$langs->trans("DoNotStoreClearPassword").'</td>';
print '<td align="center" width="60">';
if (getDolGlobalString('DATABASE_PWD_ENCRYPTED')) {
  print img_picto($langs->trans("Active"), 'tick');
}
print '</td>';
if (!getDolGlobalString('DATABASE_PWD_ENCRYPTED')) {
  print '<td align="center" width="100">';
  print '<a href="security.php?action=activate_encrypt">'.$langs->trans("Activate").'</a>';
  print "</td>";
}

// Database conf file encryption
if (getDolGlobalString('DATABASE_PWD_ENCRYPTED')) {
  print '<td align="center" width="100">';
  if ($allow_disable_encryption) {
    //On n'autorise pas l'annulation de l'encryption car les mots de passe ne peuvent pas etre decodes
    //Do not allow "disable encryption" as passwords cannot be decrypted
    print '<a href="'.$_SERVER["PHP_SELF"].'?action=disable_encrypt&token='.newToken().'">'.$langs->trans("Disable").'</a>';
  } else {
    print '-';
  }
  print "</td>";
}
print "</td>";
print '</tr>';

// Cryptage du mot de base de la base dans conf.php

print '<tr class="oddeven">';
print '<td colspan="3">'.$langs->trans("MainDbPasswordFileConfEncrypted").'</td>';
print '<td align="center" width="60">';
if (preg_match('/crypted:/i', $dolibarr_main_db_pass) || !empty($dolibarr_main_db_encrypted_pass)) {
  print img_picto($langs->trans("Active"), 'tick');
}

print '</td>';

print '<td align="center" width="100">';
if (empty($dolibarr_main_db_pass) && empty($dolibarr_main_db_encrypted_pass)) {
  $langs->load("errors");
  print img_warning($langs->trans("WarningPassIsEmpty"));
} else {
  if (empty($dolibarr_main_db_encrypted_pass)) {
    print '<a href="'.$_SERVER["PHP_SELF"].'?action=activate_encryptdbpassconf&token='.newToken().'">'.$langs->trans("Activate").'</a>';
  }
  if (!empty($dolibarr_main_db_encrypted_pass)) {
    print '<a href="'.$_SERVER["PHP_SELF"].'?action=disable_encryptdbpassconf&token='.newToken().'">'.$langs->trans("Disable").'</a>';
  }
}
print "</td>";

print "</td>";
print '</tr>';


// Disable link "Forget password" on logon

print '<tr class="oddeven">';
print '<td colspan="3">'.$langs->trans("DisableForgetPasswordLinkOnLogonPage").'</td>';
print '<td align="center" width="60">';
if (getDolGlobalString('MAIN_SECURITY_DISABLEFORGETPASSLINK')) {
  print img_picto($langs->trans("Active"), 'tick');
}
print '</td>';
if (!getDolGlobalString('MAIN_SECURITY_DISABLEFORGETPASSLINK')) {
  print '<td align="center" width="100">';
  print '<a href="'.$_SERVER["PHP_SELF"].'?action=activate_MAIN_SECURITY_DISABLEFORGETPASSLINK&token='.newToken().'">'.$langs->trans("Activate").'</a>';
  print "</td>";
}
if (getDolGlobalString('MAIN_SECURITY_DISABLEFORGETPASSLINK')) {
  print '<td align="center" width="100">';
  print '<a href="'.$_SERVER["PHP_SELF"].'?action=disable_MAIN_SECURITY_DISABLEFORGETPASSLINK&token='.newToken().'">'.$langs->trans("Disable").'</a>';
  print "</td>";
}
print "</td>";
print '</tr>';


print '</table>';
print '</form>';
print '<br>';

if (GETPOST('info', 'int') > 0) {
  if (function_exists('password_hash')) {
    print $langs->trans("Note: The function password_hash exists on your PHP")."<br>\n";
  } else {
    print $langs->trans("Note: The function password_hash does not exists on your PHP")."<br>\n";
  }
  print 'MAIN_SECURITY_HASH_ALGO = '.getDolGlobalString('MAIN_SECURITY_HASH_ALGO')."<br>\n";
  print 'MAIN_SECURITY_SALT = '.getDolGlobalString('MAIN_SECURITY_SALT')."<br>\n";
}

print '</div>';

// End of page
llxFooter();
$db->close();