mirror of
https://github.com/Dolibarr/dolibarr.git
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444c293c01
This commit consists of patches automatically generated for this project on https://scrutinizer-ci.com
317 lines
11 KiB
PHP
317 lines
11 KiB
PHP
<?php
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/* Copyright (C) 2004-2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
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* Copyright (C) 2005-2016 Laurent Destailleur <eldy@users.sourceforge.net>
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* Copyright (C) 2005-2016 Regis Houssin <regis.houssin@inodbox.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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* or see https://www.gnu.org/
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*/
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/**
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* \file htdocs/viewimage.php
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* \brief Wrapper to show images into Dolibarr screens.
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* \remarks Call to wrapper is :
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* DOL_URL_ROOT.'/viewimage.php?modulepart=diroffile&file=relativepathofofile&cache=0
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* DOL_URL_ROOT.'/viewimage.php?hashp=sharekey
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*/
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//if (! defined('NOREQUIREUSER')) define('NOREQUIREUSER','1'); // Not disabled cause need to load personalized language
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//if (! defined('NOREQUIREDB')) define('NOREQUIREDB','1'); // Not disabled cause need to load personalized language
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if (!defined('NOREQUIRESOC')) define('NOREQUIRESOC', '1');
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if (!defined('NOREQUIRETRAN')) define('NOREQUIRETRAN', '1');
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if (!defined('NOCSRFCHECK')) define('NOCSRFCHECK', '1');
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if (!defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL', '1');
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if (!defined('NOREQUIREMENU')) define('NOREQUIREMENU', '1');
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if (!defined('NOREQUIREHTML')) define('NOREQUIREHTML', '1');
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if (!defined('NOREQUIREAJAX')) define('NOREQUIREAJAX', '1');
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// Some value of modulepart can be used to get resources that are public so no login are required.
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// Note that only directory logo is free to access without login.
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if (isset($_GET["modulepart"]) && $_GET["modulepart"] == 'mycompany' && preg_match('/^\/?logos\//', $_GET['file']))
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{
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if (!defined("NOLOGIN")) define("NOLOGIN", 1);
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if (!defined("NOCSRFCHECK")) define("NOCSRFCHECK", 1); // We accept to go on this page from external web site.
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if (!defined("NOIPCHECK")) define("NOIPCHECK", 1); // Do not check IP defined into conf $dolibarr_main_restrict_ip
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}
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// For direct external download link, we don't need to load/check we are into a login session
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if (isset($_GET["hashp"]) && !defined("NOLOGIN"))
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{
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if (!defined("NOLOGIN")) define("NOLOGIN", 1);
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if (!defined("NOCSRFCHECK")) define("NOCSRFCHECK", 1); // We accept to go on this page from external web site.
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if (!defined("NOIPCHECK")) define("NOIPCHECK", 1); // Do not check IP defined into conf $dolibarr_main_restrict_ip
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}
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// Some value of modulepart can be used to get resources that are public so no login are required.
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if ((isset($_GET["modulepart"]) && $_GET["modulepart"] == 'medias'))
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{
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if (!defined("NOLOGIN")) define("NOLOGIN", 1);
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if (!defined("NOCSRFCHECK")) define("NOCSRFCHECK", 1); // We accept to go on this page from external web site.
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if (!defined("NOIPCHECK")) define("NOIPCHECK", 1); // Do not check IP defined into conf $dolibarr_main_restrict_ip
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}
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// For multicompany
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$entity = (!empty($_GET['entity']) ? (int) $_GET['entity'] : (!empty($_POST['entity']) ? (int) $_POST['entity'] : 1));
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if (is_numeric($entity)) define("DOLENTITY", $entity);
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/**
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* Header empty
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*
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* @ignore
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* @return void
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*/
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function llxHeader()
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{
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}
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/**
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* Footer empty
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*
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* @ignore
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* @return void
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*/
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function llxFooter()
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{
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}
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require 'main.inc.php'; // Load $user and permissions
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require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
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$action = GETPOST('action', 'alpha');
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$original_file = GETPOST('file', 'alphanohtml'); // Do not use urldecode here ($_GET are already decoded by PHP).
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$hashp = GETPOST('hashp', 'aZ09');
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$modulepart = GETPOST('modulepart', 'alpha');
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$urlsource = GETPOST('urlsource', 'alpha');
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$entity = GETPOST('entity', 'int') ?GETPOST('entity', 'int') : $conf->entity;
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// Security check
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if (empty($modulepart) && empty($hashp)) accessforbidden('Bad link. Bad value for parameter modulepart', 0, 0, 1);
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if (empty($original_file) && empty($hashp) && $modulepart != 'barcode') accessforbidden('Bad link. Missing identification to find file (param file or hashp)', 0, 0, 1);
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if ($modulepart == 'fckeditor') $modulepart = 'medias'; // For backward compatibility
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/*
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* Actions
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*/
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// None
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/*
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* View
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*/
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if (GETPOST("cache", 'alpha'))
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{
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// Important: Following code is to avoid page request by browser and PHP CPU at
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// each Dolibarr page access.
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if (empty($dolibarr_nocache))
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{
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header('Cache-Control: max-age=3600, public, must-revalidate');
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header('Pragma: cache'); // This is to avoid having Pragma: no-cache
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}
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else header('Cache-Control: no-cache');
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//print $dolibarr_nocache; exit;
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}
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// If we have a hash public (hashp), we guess the original_file.
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if (!empty($hashp))
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{
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include_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmfiles.class.php';
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$ecmfile = new EcmFiles($db);
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$result = $ecmfile->fetch(0, '', '', '', $hashp);
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if ($result > 0)
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{
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$tmp = explode('/', $ecmfile->filepath, 2); // $ecmfile->filepath is relative to document directory
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// filepath can be 'users/X' or 'X/propale/PR11111'
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if (is_numeric($tmp[0])) // If first tmp is numeric, it is subdir of company for multicompany, we take next part.
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{
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$tmp = explode('/', $tmp[1], 2);
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}
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$moduleparttocheck = $tmp[0]; // moduleparttocheck is first part of path
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if ($modulepart) // Not required, so often not defined, for link using public hashp parameter.
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{
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if ($moduleparttocheck == $modulepart)
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{
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// We remove first level of directory
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$original_file = (($tmp[1] ? $tmp[1].'/' : '').$ecmfile->filename); // this is relative to module dir
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//var_dump($original_file); exit;
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}
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else
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{
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accessforbidden('Bad link. File is from another module part.', 0, 0, 1);
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}
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}
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else
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{
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$modulepart = $moduleparttocheck;
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$original_file = (($tmp[1] ? $tmp[1].'/' : '').$ecmfile->filename); // this is relative to module dir
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}
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}
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else
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{
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$langs->load("errors");
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accessforbidden($langs->trans("ErrorFileNotFoundWithSharedLink"), 0, 0, 1);
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}
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}
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// Define mime type
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$type = 'application/octet-stream';
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if (GETPOST('type', 'alpha')) $type = GETPOST('type', 'alpha');
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else $type = dol_mimetype($original_file);
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// Security: This wrapper is for images. We do not allow type/html
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if (preg_match('/html/i', $type)) accessforbidden('Error: Using the image wrapper to output a file with a mime type HTML is not possible.', 0, 0, 1);
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// Security: This wrapper is for images. We do not allow files ending with .noexe
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if (preg_match('/\.noexe$/i', $original_file)) accessforbidden('Error: Using the image wrapper to output a file ending with .noexe is not allowed.', 0, 0, 1);
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// Security: Delete string ../ into $original_file
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$original_file = str_replace("../", "/", $original_file);
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// Find the subdirectory name as the reference
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$refname = basename(dirname($original_file)."/");
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// Security check
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if (empty($modulepart)) accessforbidden('Bad value for parameter modulepart', 0, 0, 1);
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$check_access = dol_check_secure_access_document($modulepart, $original_file, $entity, $refname);
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$accessallowed = $check_access['accessallowed'];
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$sqlprotectagainstexternals = $check_access['sqlprotectagainstexternals'];
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$fullpath_original_file = $check_access['original_file']; // $fullpath_original_file is now a full path name
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if (!empty($hashp))
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{
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$accessallowed = 1; // When using hashp, link is public so we force $accessallowed
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$sqlprotectagainstexternals = '';
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}
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else
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{
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// Basic protection (against external users only)
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if ($user->socid > 0)
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{
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if ($sqlprotectagainstexternals)
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{
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$resql = $db->query($sqlprotectagainstexternals);
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if ($resql)
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{
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$num = $db->num_rows($resql);
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$i = 0;
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while ($i < $num)
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{
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$obj = $db->fetch_object($resql);
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if ($user->socid != $obj->fk_soc)
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{
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$accessallowed = 0;
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break;
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}
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$i++;
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}
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}
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}
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}
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}
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// Security:
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// Limit access if permissions are wrong
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if (!$accessallowed)
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{
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accessforbidden();
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}
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// Security:
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// On interdit les remontees de repertoire ainsi que les pipe dans les noms de fichiers.
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if (preg_match('/\.\./', $fullpath_original_file) || preg_match('/[<>|]/', $fullpath_original_file))
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{
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dol_syslog("Refused to deliver file ".$fullpath_original_file);
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print "ErrorFileNameInvalid: ".$original_file;
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exit;
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}
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if ($modulepart == 'barcode')
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{
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$generator = GETPOST("generator", "alpha");
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$code = GETPOST("code", 'none'); // This can be rich content (qrcode, datamatrix, ...)
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$encoding = GETPOST("encoding", "alpha");
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$readable = GETPOST("readable", 'alpha') ?GETPOST("readable", "alpha") : "Y";
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if (empty($generator) || empty($encoding))
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{
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print 'Error: Parameter "generator" or "encoding" not defined';
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exit;
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}
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$dirbarcode = array_merge(array("/core/modules/barcode/doc/"), $conf->modules_parts['barcode']);
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$result = 0;
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foreach ($dirbarcode as $reldir)
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{
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$dir = dol_buildpath($reldir, 0);
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$newdir = dol_osencode($dir);
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// Check if directory exists (we do not use dol_is_dir to avoid loading files.lib.php)
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if (!is_dir($newdir)) continue;
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$result = @include_once $newdir.$generator.'.modules.php';
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if ($result) break;
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}
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// Load barcode class
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$classname = "mod".ucfirst($generator);
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$module = new $classname($db);
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if ($module->encodingIsSupported($encoding))
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{
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$result = $module->buildBarCode($code, $encoding, $readable);
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}
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}
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else // Open and return file
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{
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clearstatcache();
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$filename = basename($fullpath_original_file);
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// Output files on browser
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dol_syslog("viewimage.php return file $fullpath_original_file filename=$filename content-type=$type");
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// This test is to avoid error images when image is not available (for example thumbs).
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if (!dol_is_file($fullpath_original_file) && empty($_GET["noalt"]))
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{
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$fullpath_original_file = DOL_DOCUMENT_ROOT.'/public/theme/common/nophoto.png';
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/*$error='Error: File '.$_GET["file"].' does not exists or filesystems permissions are not allowed';
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print $error;
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exit;*/
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}
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// Permissions are ok and file found, so we return it
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if ($type)
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{
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top_httphead($type);
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header('Content-Disposition: inline; filename="'.basename($fullpath_original_file).'"');
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}
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else
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{
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top_httphead('image/png');
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header('Content-Disposition: inline; filename="'.basename($fullpath_original_file).'"');
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}
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$fullpath_original_file_osencoded = dol_osencode($fullpath_original_file);
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readfile($fullpath_original_file_osencoded);
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}
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if (is_object($db)) $db->close();
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