security.lib.php

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<?php
 
/* Copyright (C) 2008-2021  Laurent Destailleur     <eldy@users.sourceforge.net>
 * Copyright (C) 2008-2021  Regis Houssin           <regis.houssin@inodbox.com>
 * Copyright (C) 2020     Ferran Marcet           <fmarcet@2byte.es>
 * Copyright (C) 2024-2025  MDW           <mdeweerd@users.noreply.github.com>
 * Copyright (C) 2025       Frédéric France         <frederic.france@free.fr>
 * Copyright (C) 2026   William Mead      <william@m34d.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/>.
 * or see https://www.gnu.org/
 */
 
include_once DOL_DOCUMENT_ROOT.'/blockedlog/lib/securitycore.lib.php';
 
 
function dol_encode($chain, $key = '1')
{
  if (is_numeric($key) && $key == '1') {  // rule 1 is offset of 17 for char
    $output_tab = array();
    $strlength = dol_strlen($chain);
    for ($i = 0; $i < $strlength; $i++) {
      $output_tab[$i] = chr(ord(substr($chain, $i, 1)) + 17);
    }
    $chain = implode("", $output_tab);
  } elseif ($key) {
    $result = '';
    $strlength = dol_strlen($chain);
    for ($i = 0; $i < $strlength; $i++) {
      $keychar = substr($key, ($i % strlen($key)) - 1, 1);
      $result .= chr(ord(substr($chain, $i, 1)) + (ord($keychar) - 65));
    }
    $chain = $result;
  }
 
  return base64_encode($chain);
}
 
function dol_decode($chain, $key = '1')
{
  $chain = base64_decode($chain);
 
  if (is_numeric($key) && $key == '1') {  // rule 1 is offset of 17 for char
    $output_tab = array();
    $strlength = dol_strlen($chain);
    for ($i = 0; $i < $strlength; $i++) {
      $output_tab[$i] = chr(ord(substr($chain, $i, 1)) - 17);
    }
 
    $chain = implode("", $output_tab);
  } elseif ($key) {
    $result = '';
    $strlength = dol_strlen($chain);
    for ($i = 0; $i < $strlength; $i++) {
      $keychar = substr($key, ($i % strlen($key)) - 1, 1);
      $result .= chr(ord(substr($chain, $i, 1)) - (ord($keychar) - 65));
    }
    $chain = $result;
  }
 
  return $chain;
}
 
function dolGetRandomBytes($length)
{
  if (function_exists('random_bytes')) {  // Available with PHP 7+ only.
    return bin2hex(random_bytes((int) floor($length / 2))); // the bin2hex will double the number of bytes so we take length / 2
  }
 
  return bin2hex(openssl_random_pseudo_bytes((int) floor($length / 2)));    // the bin2hex will double the number of bytes so we take length / 2. May be very slow on Windows.
}
 
function dolGetLdapPasswordHash($password, $type = 'md5')
{
  if (empty($type)) {
    $type = 'md5';
  }
 
  $salt = substr(sha1((string) time()), 0, 8);
 
  if ($type === 'md5') {
    return '{MD5}' . base64_encode(hash("md5", $password, true)); //For OpenLdap with md5 (based on an unencrypted password in base)
  } elseif ($type === 'md5frommd5') {
    return '{MD5}' . base64_encode(hex2bin($password)); // Create OpenLDAP MD5 password from Dolibarr MD5 password
  } elseif ($type === 'smd5') {
    return "{SMD5}" . base64_encode(hash("md5", $password . $salt, true) . $salt);
  } elseif ($type === 'sha') {
    return '{SHA}' . base64_encode(hash("sha1", $password, true));
  } elseif ($type === 'ssha') {
    return "{SSHA}" . base64_encode(hash("sha1", $password . $salt, true) . $salt);
  } elseif ($type === 'sha256') {
    return "{SHA256}" . base64_encode(hash("sha256", $password, true));
  } elseif ($type === 'ssha256') {
    return "{SSHA256}" . base64_encode(hash("sha256", $password . $salt, true) . $salt);
  } elseif ($type === 'sha384') {
    return "{SHA384}" . base64_encode(hash("sha384", $password, true));
  } elseif ($type === 'ssha384') {
    return "{SSHA384}" . base64_encode(hash("sha384", $password . $salt, true) . $salt);
  } elseif ($type === 'sha512') {
    return "{SHA512}" . base64_encode(hash("sha512", $password, true));
  } elseif ($type === 'ssha512') {
    return "{SSHA512}" . base64_encode(hash("sha512", $password . $salt, true) . $salt);
  } elseif ($type === 'crypt') {
    return '{CRYPT}' . crypt($password, $salt);
  } elseif ($type === 'clear') {
    return '{CLEAR}' . $password;  // Just for test, plain text password is not secured !
  }
  return "";
}
 
function restrictedArea(User $user, $features, $object = 0, $tableandshare = '', $feature2 = '', $dbt_keyfield = 'fk_soc', $dbt_select = 'rowid', $isdraft = 0, $mode = 0)
{
  global $hookmanager;
 
  // Define $objectid
  if (is_object($object)) {
    $objectid = $object->id;
  } else {
    $objectid = $object;    // $objectid can be X or 'X,Y,Z'
  }
  if ($objectid == "-1") {
    $objectid = 0;
  }
  if ($objectid) {
    $objectid = preg_replace('/[^0-9\.\,]/', '', (string) $objectid); // For the case value is coming from a non sanitized user input
  }
 
  //dol_syslog("functions.lib:restrictedArea $feature, $object, $dbtablename, $feature2, $dbt_socfield, $dbt_select, $isdraft");
  /*print "user_id=".$user->id.", features=".$features.", feature2=".$feature2.", object=".$object;
  print ", dbtablename=".$tableandshare.", dbt_socfield=".$dbt_keyfield.", dbt_select=".$dbt_select;
  print ", perm: user->hasRight(".$features.($feature2 ? ",".$feature2 : "").", lire) = ".($feature2 ? $user->hasRight($features, $feature2, 'lire') : $user->hasRight($features, 'lire'))."<br>";
  */
 
  $parentfortableentity = '';
 
  // Fix syntax of $features param to support non standard module names.
  // @todo : use elseif ?
  $originalfeatures = $features;
  if ($features == 'agenda') {
    $tableandshare = 'actioncomm&societe';
    $feature2 = 'myactions|allactions';
    $dbt_select = 'id';
  } elseif ($features == 'bank') {
    $features = 'banque';
  } elseif ($features == 'facturerec') {
    $features = 'facture';
  } elseif ($features == 'supplier_invoicerec') {
    $features = 'fournisseur';
    $feature2 = 'facture';
  } elseif ($features == 'mo') {
    $features = 'mrp';
  } elseif ($features == 'member') {
    $features = 'adherent';
  } elseif ($features == 'subscription') {
    $features = 'adherent';
    $feature2 = 'cotisation';
  } elseif ($features == 'website' && is_object($object) && $object->element == 'websitepage') {
    $parentfortableentity = 'fk_website@website';
  } elseif ($features == 'project') {
    $features = 'projet';
  } elseif ($features == 'eventorganization' && is_object($object) && $object->element == 'conferenceorbooth') {
    // The module of an event organization declares no permission of its own, on purpose, so a check on
    // 'eventorganization' is refused to everyone, an administrator included. Check the parent project
    // instead, which is what the card of the object does itself.
    // The card refuses an external user before that check, and fk_project is nullable, so we must refuse
    // both cases here too: with no parent project there is nothing left to check the access on, and
    // granting it would be an access with no check at all.
    if (!empty($user->socid) || empty($object->fk_project)) {
      if ($mode) {
        return 0;
      } else {
        accessforbidden();
      }
    }
    $features = 'projet';
    $tableandshare = 'projet&project';
    $objectid = (int) $object->fk_project;
    $object = $objectid;
  } elseif ($features == 'product') {
    $features = 'produit';
  } elseif ($features == 'productbatch') {
    $features = 'produit';
  } elseif ($features == 'tax') {
    $feature2 = 'charges';
  } elseif ($features == 'workstation') {
    $feature2 = 'workstation';
  } elseif ($features == 'hrm' && is_object($object) && in_array($object->element, array('job', 'position', 'skill'))) {
    $feature2 = 'all';  // These 3 objects have no permission of their own, they share the level "all"
  } elseif ($features == 'stocktransfer' && is_object($object) && $object->element == 'stocktransfer') {
    $feature2 = 'stocktransfer';  // This module declares no permission at its first level, only this one
  } elseif ($features == 'fournisseur') { // When vendor invoice and purchase order are into module 'fournisseur'
    if (is_object($object) && $object->element == 'invoice_supplier') {
      $feature2 = 'facture';
    } elseif (is_object($object) && $object->element == 'order_supplier') {
      $feature2 = 'commande';
    }
  } elseif ($features == 'payment_sc') {
    $tableandshare = 'paiementcharge';
    $parentfortableentity = 'fk_charge@chargesociales';
  }
 
  // if commonObjectLine : Using many2one related commonObject
  // @see commonObjectLine::parentElement
  if (in_array($features, ['commandedet', 'propaldet', 'facturedet', 'supplier_proposaldet', 'evaluationdet', 'skilldet', 'deliverydet', 'contratdet'])) {
    $features = substr($features, 0, -3);
  } elseif (in_array($features, ['stocktransferline', 'inventoryline', 'bomline', 'expensereport_det', 'facture_fourn_det'])) {
    $features = substr($features, 0, -4);
  } elseif ($features == 'commandefournisseurdispatch') {
    $features = 'commandefournisseur';
  } elseif ($features == 'invoice_supplier_det_rec') {
    $features = 'invoice_supplier_rec';
  }
  if ($features == 'evaluation') {
    $features = 'hrm';
    $feature2 = 'evaluation';
  }
 
  // When the object is a task (element='project_task') and $feature2 is empty,
  // $checkUserAccessToObject() falls into the $checkproject path and uses the task ID
  // as project ID, which always fails. Setting $feature2='project_task' triggers the
  // normalization at line 974 that redirects to the $checktask path, which correctly
  // resolves $task->fk_project before calling getProjectsAuthorizedForUser().
  if (is_object($object) && in_array($object->element, array('project_task', 'task'))
    && (empty($features) || in_array($features, array('projet', 'project')))
    && empty($feature2)) {
    $features = 'projet';
    $feature2 = 'project_task';
    if (empty($tableandshare)) {
      $tableandshare = 'projet_task';
    }
  }
 
  // print $features.' - '.$tableandshare.' - '.$feature2.' - '.$dbt_select."\n";
 
  // Get more permissions checks from hooks
  $parameters = array(
    'features' => $features,
    'feature2' => $feature2,
    'originalfeatures' => $originalfeatures,
    'tableandshare' => $tableandshare,
    'object' => $object,
    'objectid' => $objectid,
    'dbt_keyfield' => $dbt_keyfield,
    'dbt_select' => $dbt_select,
    'idtype' => $dbt_select,
    'isdraft' => $isdraft,
    'mode' => $mode,
  );
  if (!empty($hookmanager)) {
    $reshook = $hookmanager->executeHooks('restrictedArea', $parameters);
 
    if (isset($hookmanager->resArray['result'])) {
      if ($hookmanager->resArray['result'] == 0) {
        if ($mode) {
          return 0;
        } else {
          accessforbidden(); // Module returns 0, so access forbidden
        }
      }
    }
    if ($reshook > 0) {   // No other test done.
      return 1;
    }
  }
 
  // Features/modules to check (to support the & and | operator)
  $featuresarray = array($features);
  if (preg_match('/&/', $features)) {
    $featuresarray = explode("&", $features);
  } elseif (preg_match('/\|/', $features)) {
    $featuresarray = explode("|", $features);
  }
 
  // More subfeatures to check
  if (!empty($feature2)) {
    $feature2 = explode("|", $feature2);
  }
 
  $listofmodules = explode(',', getDolGlobalString('MAIN_MODULES_FOR_EXTERNAL'));
 
  // Check read permission from module
  $readok = 1;
  $nbko = 0;
  foreach ($featuresarray as $feature) {  // first we check nb of test ko
    $featureforlistofmodule = $feature;
    if ($featureforlistofmodule == 'produit') {
      $featureforlistofmodule = 'product';
    }
    if ($featureforlistofmodule == 'supplier_proposal') {
      $featureforlistofmodule = 'supplierproposal';
    }
    if (!empty($user->socid) && getDolGlobalString('MAIN_MODULES_FOR_EXTERNAL') && !in_array($featureforlistofmodule, $listofmodules)) {  // If limits on modules for external users, module must be into list of modules for external users
      $readok = 0;
      $nbko++;
      continue;
    }
 
    if ($feature == 'societe' && (empty($feature2) || !in_array('contact', $feature2))) {
      if (!$user->hasRight('societe', 'lire') && !$user->hasRight('fournisseur', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif (($feature == 'societe' && (!empty($feature2) && in_array('contact', $feature2))) || $feature == 'contact') {
      if (!$user->hasRight('societe', 'contact', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'produit|service') {
      if (!$user->hasRight('produit', 'lire') && !$user->hasRight('service', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'prelevement') {
      if (!$user->hasRight('prelevement', 'bons', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'cheque') {
      if (!$user->hasRight('banque', 'cheque')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'projet') {
      if (!$user->hasRight('projet', 'lire') && !$user->hasRight('projet', 'all', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'payment') {
      if (!$user->hasRight('facture', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'payment_supplier') {
      if (!$user->hasRight('fournisseur', 'facture', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'payment_sc') {
      if (!$user->hasRight('tax', 'charges', 'lire')) {
        $readok = 0;
        $nbko++;
      }
    } elseif ($feature == 'webhook') {
      if (empty($user->admin)) {
        $readok = 0;
        $nbko++;
      }
    } elseif (!empty($feature2)) {                          // This is for permissions on 2 levels (module->object->read)
      $tmpreadok = 1;
      foreach ($feature2 as $subfeature) {
        if ($subfeature == 'user' && $user->id == $objectid) {
          continue; // A user can always read its own card
        }
        if ($subfeature == 'fiscalyear' && $user->hasRight('accounting', 'fiscalyear', 'write')) {
          // only one right for fiscalyear
          $tmpreadok = 1;
          continue;
        }
        if (!empty($subfeature) && !$user->hasRight($feature, $subfeature, 'lire') && !$user->hasRight($feature, $subfeature, 'read')) {
          $tmpreadok = 0;
        } elseif (empty($subfeature) && !$user->hasRight($feature, 'lire') && !$user->hasRight($feature, 'read')) {
          $tmpreadok = 0;
        } else {
          $tmpreadok = 1;
          break;
        } // Break is to bypass second test if the first is ok
      }
      if (!$tmpreadok) {  // We found a test on feature that is ko
        $readok = 0; // All tests are ko (we manage here the and, the or will be managed later using $nbko).
        $nbko++;
      }
    } elseif (!empty($feature) && ($feature != 'user' && $feature != 'usergroup')) {    // This is permissions on 1 level (module->read)
      if (!$user->hasRight($feature, 'lire')
        && !$user->hasRight($feature, 'read')
        && !$user->hasRight($feature, 'run')) {
        $readok = 0;
        $nbko++;
      }
    }
  }
 
  // If a or and at least one ok
  if (preg_match('/\|/', $features) && $nbko < count($featuresarray)) {
    $readok = 1;
  }
 
  if (!$readok) {
    if ($mode) {
      return 0;
    } else {
      accessforbidden();
    }
  }
  //print "Read access is ok";
 
  // Check write permission from module (we need to know write permission to create but also to delete drafts record or to upload files)
  $createok = 1;
  $nbko = 0;
  $wemustcheckpermissionforcreate = (GETPOST('sendit', 'alpha') || GETPOST('linkit', 'alpha') || in_array(GETPOST('action', 'aZ09'), array('create', 'update', 'set', 'upload', 'add_element_resource', 'confirm_deletebank', 'confirm_delete_linked_resource')) || GETPOST('roworder', 'alpha', 2));
  $wemustcheckpermissionfordeletedraft = ((GETPOST("action", "aZ09") == 'confirm_delete' && GETPOST("confirm", "aZ09") == 'yes') || GETPOST("action", "aZ09") == 'delete');
 
  if ($wemustcheckpermissionforcreate || $wemustcheckpermissionfordeletedraft) {
    foreach ($featuresarray as $feature) {
      if ($feature == 'contact') {
        if (!$user->hasRight('societe', 'contact', 'creer')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'produit|service') {
        if (!$user->hasRight('produit', 'creer') && !$user->hasRight('service', 'creer')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'prelevement') {
        if (!$user->hasRight('prelevement', 'bons', 'creer')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'commande_fournisseur') {
        if (!$user->hasRight('fournisseur', 'commande', 'creer') || !$user->hasRight('supplier_order', 'creer')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'banque') {
        if (!$user->hasRight('banque', 'modifier')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'cheque') {
        if (!$user->hasRight('banque', 'cheque')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'import') {
        if (!$user->hasRight('import', 'run')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'ecm') {
        if (!$user->hasRight('ecm', 'upload')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'modulebuilder') {
        if (!$user->hasRight('modulebuilder', 'run')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'payment') {
        if (!$user->hasRight('facture', 'paiement')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'payment_supplier') { // Permission to write on a payment of an invoice is permission to edit an invoice.
        if (!$user->hasRight('fournisseur', 'facture', 'creer')) {
          $createok = 0;
          $nbko++;
        }
      } elseif ($feature == 'webhook') {
        if (empty($user->admin)) {
          $createok = 0;
          $nbko++;
        }
      } elseif (!empty($feature2)) {                          // This is for permissions on 2 levels (module->object->write)
        foreach ($feature2 as $subfeature) {
          if ($subfeature == 'user' && $user->id == $objectid && $user->hasRight('user', 'self', 'creer')) {
            continue; // User can edit its own card
          }
          if ($subfeature == 'user' && $user->id == $objectid && $user->hasRight('user', 'self', 'password')) {
            continue; // User can edit its own password
          }
          if ($subfeature == 'user' && $user->id != $objectid && $user->hasRight('user', 'user', 'password')) {
            continue; // User can edit another user's password
          }
 
          if (!$user->hasRight($feature, $subfeature, 'creer')
          && !$user->hasRight($feature, $subfeature, 'write')
          && !$user->hasRight($feature, $subfeature, 'create')) {
            $createok = 0;
            $nbko++;
          } else {
            $createok = 1;
            // Break to bypass second test if the first is ok
            break;
          }
        }
      } elseif (!empty($feature)) {                       // This is for permissions on 1 levels (module->write)
        //print '<br>feature='.$feature.' creer='.$user->rights->$feature->creer.' write='.$user->rights->$feature->write; exit;
        if (!$user->hasRight($feature, 'creer')
        && !$user->hasRight($feature, 'write')
        && !$user->hasRight($feature, 'create')) {
          $createok = 0;
          $nbko++;
        }
      }
    }
 
    // If a or and at least one ok
    if (preg_match('/\|/', $features) && $nbko < count($featuresarray)) {
      $createok = 1;
    }
 
    if ($wemustcheckpermissionforcreate && !$createok) {
      if ($mode) {
        return 0;
      } else {
        accessforbidden();
      }
    }
    //print "Write access is ok";
  }
 
  // Check create user permission
  $createuserok = 1;
  if (GETPOST('action', 'aZ09') == 'confirm_create_user' && GETPOST("confirm", 'aZ09') == 'yes') {
    if (!$user->hasRight('user', 'user', 'creer')) {
      $createuserok = 0;
    }
 
    if (!$createuserok) {
      if ($mode) {
        return 0;
      } else {
        accessforbidden();
      }
    }
    //print "Create user access is ok";
  }
 
  // Check delete permission from module
  $deleteok = 1;
  $nbko = 0;
  if ((GETPOST("action", "aZ09") == 'confirm_delete' && GETPOST("confirm", "aZ09") == 'yes') || GETPOST("action", "aZ09") == 'delete') {
    foreach ($featuresarray as $feature) {
      if ($feature == 'bookmark') {
        if (!$user->hasRight('bookmark', 'supprimer')) {
          if ($user->id != $object->fk_user || !$user->hasRight('bookmark', 'creer')) {
            $deleteok = 0;
          }
        }
      } elseif ($feature == 'contact') {
        if (!$user->hasRight('societe', 'contact', 'supprimer')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'produit|service') {
        if (!$user->hasRight('produit', 'supprimer') && !$user->hasRight('service', 'supprimer')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'commande_fournisseur') {
        if (!$user->hasRight('fournisseur', 'commande', 'supprimer')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'payment_supplier') { // Permission to delete a payment of an invoice is permission to edit an invoice.
        if (!$user->hasRight('fournisseur', 'facture', 'creer')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'payment') {
        if (!$user->hasRight('facture', 'paiement')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'payment_sc') {
        if (!$user->hasRight('tax', 'charges', 'creer')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'banque') {
        if (!$user->hasRight('banque', 'modifier')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'cheque') {
        if (!$user->hasRight('banque', 'cheque')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'ecm') {
        if (!$user->hasRight('ecm', 'upload')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'ftp') {
        if (!$user->hasRight('ftp', 'write')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'salaries') {
        if (!$user->hasRight('salaries', 'delete')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'adherent') {
        if (!$user->hasRight('adherent', 'supprimer')) {
          $deleteok = 0;
        }
      } elseif ($feature == 'paymentbybanktransfer') {
        if (!$user->hasRight('paymentbybanktransfer', 'create')) {  // There is no delete permission
          $deleteok = 0;
        }
      } elseif ($feature == 'prelevement') {
        if (!$user->hasRight('prelevement', 'bons', 'creer')) {   // There is no delete permission
          $deleteok = 0;
        }
      } elseif (!empty($feature2)) {              // This is for permissions on 2 levels
        foreach ($feature2 as $subfeature) {
          if (!$user->hasRight($feature, $subfeature, 'supprimer') && !$user->hasRight($feature, $subfeature, 'delete')) {
            $deleteok = 0;
          } else {
            $deleteok = 1;
            break;
          } // For bypass the second test if the first is ok
        }
      } elseif (!empty($feature)) {             // This is used for permissions on 1 level
        //print '<br>feature='.$feature.' creer='.$user->rights->$feature->supprimer.' write='.$user->rights->$feature->delete;
        if (!$user->hasRight($feature, 'supprimer')
          && !$user->hasRight($feature, 'delete')
          && !$user->hasRight($feature, 'run')) {
          $deleteok = 0;
        }
      }
    }
 
    // If a or and at least one ok
    if (preg_match('/\|/', $features) && $nbko < count($featuresarray)) {
      $deleteok = 1;
    }
 
    if (!$deleteok && !($isdraft && $createok)) {
      if ($mode) {
        return 0;
      } else {
        accessforbidden();
      }
    }
    //print "Delete access is ok";
  }
 
  // If we have a particular object to check permissions on, we check if $user has permission
  // for this given object (link to company, is contact for project, ...)
  if (!empty($objectid) && $objectid > 0) {
    $ok = checkUserAccessToObject($user, $featuresarray, $object, $tableandshare, $feature2, $dbt_keyfield, $dbt_select, $parentfortableentity);
    $params = array('objectid' => $objectid, 'features' => implode(',', $featuresarray), 'features2' => $feature2);
    //print 'checkUserAccessToObject ok='.$ok;
    if ($mode) {
      return $ok ? 1 : 0;
    } else {
      if ($ok) {
        return 1;
      } else {
        accessforbidden('', 1, 1, 0, $params);
      }
    }
  }
 
  return 1;
}
 
function checkUserAccessToObject($user, array $featuresarray, $object = 0, $tableandshare = '', $feature2 = '', $dbt_keyfield = '', $dbt_select = 'rowid', $parenttableforentity = '')
{
  global $db, $conf;
 
  if (is_object($object)) {
    $objectid = $object->id;
  } else {
    $objectid = $object;    // $objectid can be X or 'X,Y,Z'
  }
  $objectid = preg_replace('/[^0-9\.\,]/', '', (string) $objectid); // For the case value is coming from a non sanitized user input
 
  //dol_syslog("functions.lib:restrictedArea $feature, $object, $dbtablename, $feature2, $dbt_socfield, $dbt_select, $isdraft");
  //print "user_id=".$user->id.", features=".join(',', $featuresarray).", object=".$object;
  //print ", tableandshare=".$tableandshare.", dbt_socfield=".$dbt_keyfield.", dbt_select=".$dbt_select."<br>";
 
  // More parameters
  $params = explode('&', $tableandshare);
  $dbtablename = (!empty($params[0]) ? $params[0] : '');
  $sharedelement = (!empty($params[1]) ? $params[1] : $dbtablename);
 
  foreach ($featuresarray as $feature) {
    $sql = '';
 
    //var_dump($feature);exit;
 
    // For backward compatibility
    if ($feature == 'societe' && !empty($feature2) && is_array($feature2) && in_array('contact', $feature2)) {
      $feature = 'contact';
      $feature2 = '';
    }
    if ($feature == 'member') {
      $feature = 'adherent';
    }
    if ($feature == 'category') {
      $feature = 'categorie';
    }
    if ($feature == 'project') {
      $feature = 'projet';
    }
    if ($feature == 'projet' && !empty($feature2) && is_array($feature2) && !empty(array_intersect(array('project_task', 'projet_task'), $feature2))) {
      $feature = 'project_task';
    }
    if ($feature == 'task' || $feature == 'projet_task') {
      $feature = 'project_task';
      $dbtablename = 'projet_task';
    }
    if ($feature == 'eventorganization') {
      $feature = 'agenda';
      $dbtablename = 'actioncomm';
    }
    if ($feature == 'payment_sc' && empty($parenttableforentity)) {
      // If we check perm on payment page but $parenttableforentity not defined, we force value on parent table
      $parenttableforentity = '';
      $dbtablename = "chargesociales";
      $feature = "chargesociales";
      $objectid = (string) $object->fk_charge;
    }
 
    $checkonentitydone = 0;
 
    // Array to define rules of checks to do
    $check = array('adherent', 'banque', 'bom', 'don', 'mrp', 'user', 'usergroup', 'payment', 'payment_supplier', 'payment_sc', 'product', 'produit', 'service', 'produit|service', 'categorie', 'resource', 'expensereport', 'holiday', 'salaries', 'website', 'recruitment', 'chargesociales', 'knowledgemanagement', 'stock', 'stockmovement'); // Test on entity only (Objects with no link to company)
    $checksoc = array('societe'); // Test for object Societe
    $checkparentsoc = array('agenda', 'contact', 'contrat'); // Test on entity + link to third party on field $dbt_keyfield. Allowed if link is empty (Ex: contacts...).
    $checkproject = array('projet', 'project'); // Test for project object
    $checktask = array('projet_task', 'project_task'); // Test for task object
    $checkhierarchy = array('expensereport', 'holiday', 'hrm'); // check permission among the hierarchy of user
    $checkuser = array('bookmark'); // check permission among the fk_user (must be myself or null)
    $nocheck = array('barcode', 'webhook'); // No test
 
    //$checkdefault = 'all other not already defined'; // Test on entity + link to third party on field $dbt_keyfield. Not allowed if link is empty (Ex: invoice, orders...).
 
    // If dbtablename not defined, we use same name for table than module name
    if (empty($dbtablename)) {
      $dbtablename = $feature;
      $sharedelement = (!empty($params[1]) ? $params[1] : $dbtablename); // We change dbtablename, so we set sharedelement too.
    }
 
    // The default rule reads the columns entity and $dbt_keyfield of the table, but some tables own neither of
    // them. The sql was then built on columns that do not exist, so it always failed and the access was refused
    // to the users that this rule applies to.
    // The rule is selected on the table and not on the element of the object, because $object is an id and not
    // an object for most of the callers, the card of an asset and the card of a workstation included.
    if (!empty($objectid) && in_array($dbtablename, array('asset', 'paiement', 'paiementfourn', 'workstation_workstation', 'hrm_job', 'hrm_job_user', 'hrm_skill'))) {
      // None of these objects is linked to a third party, so an external user can own none of them. The
      // default rule refused him through a link that does not exist, we must refuse him explicitly instead,
      // otherwise the rules below, which do not look at the third party of the user at all, would grant it.
      if (!empty($user->socid)) {
        return false;
      }
      if (in_array($dbtablename, array('hrm_job', 'hrm_job_user', 'hrm_skill'))) {
        // These 3 tables have no entity column either, so no rule that reads the table can be run on them.
        // The permission is still checked by restrictedArea(), and the $checkhierarchy rule below still runs.
        // Note that these 3 objects are therefore not partitioned between entities at all, in the database
        // itself: their cards already answer to a user of another entity, and their lists already show the
        // records of all of them. This rule does not widen that, it aligns with it.
        $nocheck[] = $feature;
      } else {
        $check[] = $feature;  // Test on the entity only, there is no third party to restrict on
      }
    }
 
    // $objectid was already sanitized at begin of this method (can be an int or a list of int separated by comma).
    // To avoid an access forbidden with a numeric ref
    if ($dbt_select != 'rowid' && $dbt_select != 'id') {
      $objectid = "'".$objectid."'";
    }
 
    // Check permission for objectid on entity only
    if (in_array($feature, $check) && !empty($objectid)) {    // For $objectid = 0, no check
      $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
      $sql .= " FROM ".MAIN_DB_PREFIX.$db->sanitize($dbtablename)." as dbt";
      if (($feature == 'user' || $feature == 'usergroup') && isModEnabled('multicompany')) {  // Special for multicompany
        if (getDolGlobalString('MULTICOMPANY_TRANSVERSE_MODE')) {
          if ($conf->entity == 1 && $user->admin && !$user->entity) {
            $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
            $sql .= " AND dbt.entity IS NOT NULL";
          } else {
            $sql .= ",".MAIN_DB_PREFIX."usergroup_user as ug";
            $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
            $sql .= " AND ((ug.fk_user = dbt.rowid";
            $sql .= " AND ug.entity IN (".getEntity('usergroup')."))";
            $sql .= " OR dbt.entity = 0)"; // Show always superadmin
          }
        } else {
          $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
          $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
        }
      } else {
        $reg = array();
        if ($parenttableforentity && preg_match('/(.*)@(.*)/', $parenttableforentity, $reg)) {
          $sql .= ", ".MAIN_DB_PREFIX.$db->sanitize($reg[2])." as dbtp";
          $sql .= " WHERE dbt.".$db->sanitize($reg[1])." = dbtp.rowid AND dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
          $sql .= " AND dbtp.entity IN (".getEntity($sharedelement, 1).")";
        } else {
          $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
          $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
        }
      }
      $checkonentitydone = 1;
    }
 
    if (in_array($feature, $checksoc) && !empty($objectid)) { // We check feature = checksoc. For $objectid = 0, no check
      // If external user: Check permission for external users
      if ($user->socid > 0) {
        if ((string) $user->socid != $objectid) {
          return false;
        }
      } elseif (isModEnabled('societe') && !$user->hasRight('societe', 'lire') && !$user->hasRight('societe', 'client', 'voir')) {
        dol_syslog("security.lib.php::checkUserAccessToObject Deny access due: (isModEnabled('societe') && !user->hasRight('societe', 'lire') && !user->hasRight('societe', 'client', 'voir'))", LOG_DEBUG);
        return false;
      } elseif (isModEnabled("societe") && ($user->hasRight('societe', 'lire') && !$user->hasRight('societe', 'client', 'voir'))) {
        // If internal user: Check permission for internal users that are restricted on their objects
        $sql = "SELECT COUNT(sc.fk_soc) as nb";
        $sql .= " FROM (".MAIN_DB_PREFIX."societe_commerciaux as sc";
        $sql .= ", ".MAIN_DB_PREFIX."societe as s)";
        $sql .= " WHERE sc.fk_soc IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND (sc.fk_user = ".((int) $user->id);
        if (getDolGlobalInt('MAIN_SEE_SUBORDINATES')) {
          $userschilds = $user->getAllChildIds();
          if (!empty($userschilds)) $sql .= " OR sc.fk_user IN (".$db->sanitize(implode(',', $userschilds)).")";
        }
        $sql .= ")";
        $sql .= " AND sc.fk_soc = s.rowid";
        $sql .= " AND s.entity IN (".getEntity($sharedelement, 1).")";
      } elseif (isModEnabled('multicompany')) {
        // If multicompany and internal users with all permissions, check user is in correct entity
        $sql = "SELECT COUNT(s.rowid) as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX."societe as s";
        $sql .= " WHERE s.rowid IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND s.entity IN (".getEntity($sharedelement, 1).")";
      }
 
      $checkonentitydone = 1;
    }
    if (in_array($feature, $checkparentsoc) && !empty($objectid)) { // Test on entity + link to thirdparty. Allowed if link is empty (Ex: contacts...).
      // If external user: Check permission for external users
      if ($user->socid > 0) {
        $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
        $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND dbt.fk_soc = ".((int) $user->socid);
      } elseif (isModEnabled("societe") && ($user->hasRight('societe', 'lire') && !$user->hasRight('societe', 'client', 'voir'))) {
        // If internal user: Check permission for internal users that are restricted on their objects
        $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
        $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."societe_commerciaux as sc ON dbt.fk_soc = sc.fk_soc AND sc.fk_user = ".((int) $user->id);
        $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND (dbt.fk_soc IS NULL OR sc.fk_soc IS NOT NULL)"; // Contact not linked to a company or to a company of user
        $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
      } elseif (isModEnabled('multicompany')) {
        // If multicompany and internal users with all permissions, check user is in correct entity
        $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
        $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
      }
 
      $checkonentitydone = 1;
    }
    if (in_array($feature, $checkproject) && !empty($objectid)) {
      if (isModEnabled('project') && !$user->hasRight('projet', 'all', 'lire')) {
        $projectid = $objectid; // Note that if $objectid is a string list of id; the test later will return false
 
        include_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
        $projectstatic = new Project($db);
        $tmps = $projectstatic->getProjectsAuthorizedForUser($user, 0, 1, 0);
 
        $tmparray = explode(',', $tmps);
        if (!in_array($projectid, $tmparray)) {
          return false;
        }
      } else {
        $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
        $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
      }
      $checkonentitydone = 1;
    }
    if (in_array($feature, $checktask) && !empty($objectid)) {
      if (isModEnabled('project') && !$user->hasRight('projet', 'all', 'lire')) {
        if (preg_match('/,/', $objectid)) {   // if this is a list of id
          return false;
        }
        $task = new Task($db);
        $task->fetch((int) $objectid);
        $projectid = $task->fk_project;
 
        include_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
        $projectstatic = new Project($db);
        $tmps = $projectstatic->getProjectsAuthorizedForUser($user, 0, 1, 0);
 
        $tmparray = explode(',', $tmps);
        if (!in_array($projectid, $tmparray)) {
          return false;
        }
      } else {
        $sharedelement = 'project'; // for multicompany compatibility
        $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
        $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
      }
 
      $checkonentitydone = 1;
    }
    //var_dump($sql);
 
    if (!$checkonentitydone && !in_array($feature, $nocheck) && !empty($objectid)) {    // By default (case of $checkdefault), we check on object entity + link to third party on field $dbt_keyfield
      // If external user: Check permission for external users
      if ($user->socid > 0) {
        if (empty($dbt_keyfield)) {
          dol_print_error(null, 'Param dbt_keyfield is required but not defined');
        }
        $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_keyfield).") as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
        $sql .= " WHERE dbt.rowid IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND dbt.".$db->sanitize($dbt_keyfield)." = ".((int) $user->socid);
      } elseif (isModEnabled("societe") && !$user->hasRight('societe', 'client', 'voir')) {
        // If internal user without permission to see all thirdparties: Check permission for internal users that are restricted on their objects
        if (empty($dbt_keyfield)) {
          dol_print_error(null, 'Param dbt_keyfield is required but not defined');
        }
        if ($feature != 'ticket') {
          $sql = "SELECT COUNT(sc.fk_soc) as nb";
          $sql .= " FROM ".MAIN_DB_PREFIX.$db->sanitize($dbtablename)." as dbt";
          $sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
          $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
          $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
          $sql .= " AND sc.fk_soc = dbt.".$db->sanitize($dbt_keyfield);
          $sql .= " AND (sc.fk_user = ".((int) $user->id);
          if (getDolGlobalInt('MAIN_SEE_SUBORDINATES')) {
            $userschilds = $user->getAllChildIds();
            if (!empty($userschilds)) $sql .= " OR sc.fk_user IN (".$db->sanitize(implode(',', $userschilds)).")";
          }
          $sql .= ')';
        } else {
          // On ticket, the thirdparty is not mandatory, so we need a special test to accept record with no thirdparties.
          $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
          $sql .= " FROM ".MAIN_DB_PREFIX.$dbtablename." as dbt";
          $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."societe_commerciaux as sc ON sc.fk_soc = dbt.".$db->sanitize($dbt_keyfield)." AND sc.fk_user = ".((int) $user->id);
          $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
          $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
          $sql .= " AND (sc.fk_user = ".((int) $user->id)." OR dbt.".$dbt_keyfield." IS NULL OR dbt.".$dbt_keyfield." = 0)";
        }
      } elseif (isModEnabled('multicompany') && (!empty($object->ismultientitymanaged) || !isset($object->ismultientitymanaged))) {
        // If multicompany, and user is an internal user with all permissions, check that object is in correct entity
        $sql = "SELECT COUNT(dbt.".$db->sanitize($dbt_select).") as nb";
        $sql .= " FROM ".MAIN_DB_PREFIX.$db->sanitize($dbtablename)." as dbt";
        $sql .= " WHERE dbt.".$db->sanitize($dbt_select)." IN (".$db->sanitize($objectid, 1).")";
        $sql .= " AND dbt.entity IN (".getEntity($sharedelement, 1).")";
      }
    }
 
    // For events, check on users assigned to event
    if ($feature === 'agenda' && !empty($objectid)) {
      // Also check owner or attendee for users without allactions->read
      if (!$user->hasRight('agenda', 'allactions', 'read')) {
        if (preg_match('/,/', $objectid)) {   // if this is a list of id
          return false;
        }
 
        require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
        $action = new ActionComm($db);
        $action->fetch((int) $objectid);
        if ($action->authorid != $user->id && $action->userownerid != $user->id && !(array_key_exists($user->id, $action->userassigned))) {
          return false;
        }
      }
    }
 
    // For some object, we also have to check it is in the user hierarchy
    // Param $object must be the full object and not a simple id to have this test possible.
    if (in_array($feature, $checkhierarchy) && is_object($object) && !empty($objectid)) {
      $childids = $user->getAllChildIds(1);
      $useridtocheck = 0;
      if ($feature == 'holiday') {
        $useridtocheck = $object->fk_user;
        if (!$user->hasRight('holiday', 'readall') && !in_array($useridtocheck, $childids) && !in_array($object->fk_validator, $childids)) {
          return false;
        }
      }
      if ($feature == 'expensereport') {
        $useridtocheck = $object->fk_user_author;
        if (!$user->hasRight('expensereport', 'readall')) {
          if (!in_array($useridtocheck, $childids)) {
            return false;
          }
        }
      }
      if ($feature == 'hrm' && in_array('evaluation', $feature2)) {
        $useridtocheck = $object->fk_user;
 
        if ($user->hasRight('hrm', 'evaluation', 'readall')) {
          // the user can view evaluations for anyone
          return true;
        }
        if (!$user->hasRight('hrm', 'evaluation', 'read')) {
          // the user can't view any evaluations
          return false;
        }
        // the user can only see their own evaluations or their subordinates'
        return in_array($useridtocheck, $childids);
      }
    }
 
    // For some object, we also have to check it is public or owned by user
    // Param $object must be the full object and not a simple id to have this test possible.
    if (in_array($feature, $checkuser) && is_object($object) && !empty($objectid)) {
      $useridtocheck = $object->fk_user;
      if (!empty($useridtocheck) && $useridtocheck > 0 && $useridtocheck != $user->id && empty($user->admin)) {
        return false;
      }
    }
 
    if ($sql) {
      $resql = $db->query($sql);
      if ($resql) {
        $obj = $db->fetch_object($resql);
        if (!$obj || $obj->nb < count(explode(',', $objectid))) { // error if we found 0 or less record than the nb of ids provided
          return false;
        }
      } else {
        dol_syslog("Bad forged sql in security.lib.php::checkUserAccessToObject", LOG_WARNING);
        return false;
      }
    }
  }
 
  dol_syslog("security.lib.php::checkUserAccessToObject::return True", LOG_DEBUG);
  return true;
}
 
 
function httponly_accessforbidden($message = '1', $http_response_code = 403, $stringalreadysanitized = 0)
{
  top_httphead();
  http_response_code($http_response_code);
 
  if ($stringalreadysanitized) {
    print $message;
  } else {
    print htmlentities($message);
  }
 
  exit(1);
}
 
function accessforbidden($message = '', $printheader = 1, $printfooter = 1, $showonlymessage = 0, $params = null)
{
  global $conf, $db, $user, $langs, $hookmanager;
  global $action, $object;
 
  if (!is_object($langs)) {
    include_once DOL_DOCUMENT_ROOT.'/core/class/translate.class.php';
    $langs = new Translate('', $conf);
    $langs->setDefaultLang();
  }
 
  $langs->loadLangs(array("main", "errors"));
 
  if ($printheader && !defined('NOHEADERNOFOOTER')) {
    if (function_exists("llxHeader")) {
      llxHeader('');
    } elseif (function_exists("llxHeaderVierge")) {
      llxHeaderVierge('');
    }
    print '<div style="padding: 20px">';
  }
  print '<div class="error">';
  if (empty($message)) {
    print $langs->trans("ErrorForbidden");
  } else {
    print $langs->trans($message);
  }
  print '</div>';
  print '<br>';
  if (empty($showonlymessage)) {
    if (empty($hookmanager)) {
      include_once DOL_DOCUMENT_ROOT.'/core/class/hookmanager.class.php';
      $hookmanager = new HookManager($db);
      // Initialize a technical object to manage hooks of page. Note that conf->hooks_modules contains an array of hook context
      $hookmanager->initHooks(array('main'));
    }
 
    $parameters = array('message' => $message, 'params' => $params);
    $reshook = $hookmanager->executeHooks('getAccessForbiddenMessage', $parameters, $object, $action); // Note that $action and $object may have been modified by some hooks
    print $hookmanager->resPrint;
    if (empty($reshook)) {
      $langs->loadLangs(array("errors"));
      if ($user->login) {
        print $langs->trans("CurrentLogin").': <span class="error">'.$user->login.'</span><br>';
        print $langs->trans("ErrorForbidden2", $langs->transnoentitiesnoconv("Home"), $langs->transnoentitiesnoconv("Users"));
        print $langs->trans("ErrorForbidden4");
      } else {
        print $langs->trans("ErrorForbidden3");
      }
    }
  }
  if ($printfooter && !defined('NOHEADERNOFOOTER') && function_exists("llxFooter")) {
    print '</div>';
    llxFooter();
  }
 
  // End PHP
  exit(0);
}
 
 
function getMaxFileSizeArray()
{
  $max = getDolGlobalString('MAIN_UPLOAD_DOC'); // In Kb
 
  $maxphp = @ini_get('upload_max_filesize'); // In unknown
  if (preg_match('/k$/i', $maxphp)) {
    $maxphp = preg_replace('/k$/i', '', $maxphp);
    $maxphp = (int) ((float) $maxphp * 1);
  }
  if (preg_match('/m$/i', $maxphp)) {
    $maxphp = preg_replace('/m$/i', '', $maxphp);
    $maxphp = (int) ((float) $maxphp * 1024);
  }
  if (preg_match('/g$/i', $maxphp)) {
    $maxphp = preg_replace('/g$/i', '', $maxphp);
    $maxphp = (int) ((float) $maxphp * 1024 * 1024);
  }
  if (preg_match('/t$/i', $maxphp)) {
    $maxphp = preg_replace('/t$/i', '', $maxphp);
    $maxphp = (int) ((float) $maxphp * 1024 * 1024 * 1024);
  }
  $maxphp2 = @ini_get('post_max_size'); // In unknown
  if (preg_match('/k$/i', $maxphp2)) {
    $maxphp2 = preg_replace('/k$/i', '', $maxphp2);
    $maxphp2 = (int) ((float) $maxphp2) * 1;
  }
  if (preg_match('/m$/i', $maxphp2)) {
    $maxphp2 = preg_replace('/m$/i', '', $maxphp2);
    $maxphp2 = (int) ((float) $maxphp2 * 1024);
  }
  if (preg_match('/g$/i', $maxphp2)) {
    $maxphp2 = preg_replace('/g$/i', '', $maxphp2);
    $maxphp2 = (int) ((float) $maxphp2 * 1024 * 1024);
  }
  if (preg_match('/t$/i', $maxphp2)) {
    $maxphp2 = preg_replace('/t$/i', '', $maxphp2);
    $maxphp2 = (int) ((float) $maxphp2 * 1024 * 1024 * 1024);
  }
  // Now $max and $maxphp and $maxphp2 are in Kb
  $maxmin = $max;
  $maxphptoshow = $maxphptoshowparam = '';
  if ($maxphp > 0) {
    $maxmin = min($maxmin, $maxphp);
    $maxphptoshow = $maxphp;
    $maxphptoshowparam = 'upload_max_filesize';
  }
  if ($maxphp2 > 0) {
    $maxmin = min($maxmin, $maxphp2);
    if ($maxphp2 < $maxphp) {
      $maxphptoshow = $maxphp2;
      $maxphptoshowparam = 'post_max_size';
    }
  }
  //var_dump($maxphp.'-'.$maxphp2);
  //var_dump($maxmin);
 
  return array('max' => $max, 'maxmin' => $maxmin, 'maxphptoshow' => $maxphptoshow, 'maxphptoshowparam' => $maxphptoshowparam);
}
 
function checkIPInCidr($ip, $cidr)
{
  list($network, $prefix) = explode('/', $cidr, 2);
 
  // Convert IPs to binary format
  $ip_bin = @inet_pton($ip);
  $net_bin = @inet_pton($network);
  if ($ip_bin === false || $net_bin === false) {
    return -1;
  }
 
  // Require same address IPvX family
  if (strlen($ip_bin) !== strlen($net_bin)) {
    return -1;
  }
 
  // Comparison boundaries
  $total_bits = strlen($ip_bin) * 8;
  $prefix = max(0, min((int) $prefix, $total_bits));
  $full_bytes = intdiv($prefix, 8);
  $rem_bits = $prefix % 8;
 
  // Compare full bytes and partial bytes
  if ($full_bytes > 0) {
    if (substr($ip_bin, 0, $full_bytes) !== substr($net_bin, 0, $full_bytes)) {
      return 0;
    }
  }
  if ($rem_bits > 0) {
    $mask = (0xFF << (8 - $rem_bits)) & 0xFF;
    $ip_byte = ord($ip_bin[$full_bytes]);
    $net_byte = ord($net_bin[$full_bytes]);
    if (($ip_byte & $mask) !== ($net_byte & $mask)) {
      return 0;
    }
  }
  return 1;
}