file_download.php

   1 <?php
   2 // +----------------------------------------------------------------------+
   3 // | Anuko Time Tracker
   4 // +----------------------------------------------------------------------+
   5 // | Copyright (c) Anuko International Ltd. (https://www.anuko.com)
   6 // +----------------------------------------------------------------------+
   7 // | LIBERAL FREEWARE LICENSE: This source code document may be used
   8 // | by anyone for any purpose, and freely redistributed alone or in
   9 // | combination with other software, provided that the license is obeyed.
  10 // |
  11 // | There are only two ways to violate the license:
  12 // |
  13 // | 1. To redistribute this code in source form, with the copyright
  14 // |    notice or license removed or altered. (Distributing in compiled
  15 // |    forms without embedded copyright notices is permitted).
  16 // |
  17 // | 2. To redistribute modified versions of this code in *any* form
  18 // |    that bears insufficient indications that the modifications are
  19 // |    not the work of the original author(s).
  20 // |
  21 // | This license applies to this document only, not any other software
  22 // | that it may be combined with.
  23 // |
  24 // +----------------------------------------------------------------------+
  25 // | Contributors:
  26 // | https://www.anuko.com/time_tracker/credits.htm
  27 // +----------------------------------------------------------------------+
  28
  29 require_once('initialize.php');
  30 import('form.Form');
  31 import('ttFileHelper');
  32 import('ttProjectHelper');
  33
  34 // Access checks.
  35 $cl_file_id = (int)$request->getParameter('id');
  36 $file = ttFileHelper::get($cl_file_id);
  37 if (!$file) {
  38   header('Location: access_denied.php');
  39   exit();
  40 }
  41 // Entity-specific checks.
  42 if ($file['entity_type'] == 'project') {
  43   if (!ttAccessAllowed('manage_projects') || !ttProjectHelper::get($file['entity_id'])) {
  44     header('Location: access_denied.php');
  45     exit();
  46   }
  47 }
  48 if ($file['entity_type'] != 'project') {
  49   // Currently, files are only associated with projects.
  50   // Improve access checks when the feature evolves.
  51   header('Location: access_denied.php');
  52   exit();
  53 }
  54 // End of access checks.
  55
  56 $fileHelper = new ttFileHelper($err);
  57
  58 if ($fileHelper->getFile($file)) {
  59   header('Pragma: public'); // This is needed for IE8 to download files over https.
  60   header('Content-Type: application/octet-stream');
  61   header('Expires: '.gmdate('D, d M Y H:i:s').' GMT');
  62   header('Content-Disposition: attachment; filename="'.$file['file_name'].'"');
  63   header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
  64   header('Cache-Control: private', false);
  65
  66   echo $fileHelper->getFileData();
  67   exit;
  68 }
  69
  70 $smarty->assign('title', $i18n->get('title.download_file'));
  71 $smarty->assign('content_page_name', 'file_download.tpl');
  72 $smarty->display('index.tpl');