Work in progress on attachment download.

[timetracker.git] / file_download.php

diff --git a/file_download.php b/file_download.php
new file mode 100644 (file)
index 0000000..83ff703
--- /dev/null
+++ b/file_download.php
@@ -0,0 +1,102 @@
+<?php
+// +----------------------------------------------------------------------+
+// | Anuko Time Tracker
+// +----------------------------------------------------------------------+
+// | Copyright (c) Anuko International Ltd. (https://www.anuko.com)
+// +----------------------------------------------------------------------+
+// | LIBERAL FREEWARE LICENSE: This source code document may be used
+// | by anyone for any purpose, and freely redistributed alone or in
+// | combination with other software, provided that the license is obeyed.
+// |
+// | There are only two ways to violate the license:
+// |
+// | 1. To redistribute this code in source form, with the copyright
+// |    notice or license removed or altered. (Distributing in compiled
+// |    forms without embedded copyright notices is permitted).
+// |
+// | 2. To redistribute modified versions of this code in *any* form
+// |    that bears insufficient indications that the modifications are
+// |    not the work of the original author(s).
+// |
+// | This license applies to this document only, not any other software
+// | that it may be combined with.
+// |
+// +----------------------------------------------------------------------+
+// | Contributors:
+// | https://www.anuko.com/time_tracker/credits.htm
+// +----------------------------------------------------------------------+
+
+require_once('initialize.php');
+import('form.Form');
+import('ttFileHelper');
+import('ttProjectHelper');
+
+// Access checks.
+$cl_file_id = (int)$request->getParameter('id');
+$file = ttFileHelper::get($cl_file_id);
+if (!$file) {
+  header('Location: access_denied.php');
+  exit();
+}
+// Entity-specific checks.
+if ($file['entity_type'] == 'project') {
+  if (!ttAccessAllowed('manage_projects') || !ttProjectHelper::get($file['entity_id'])) {
+    header('Location: access_denied.php');
+    exit();
+  }
+}
+if ($file['entity_type'] != 'project') {
+  // Currently, files are only associated with projects.
+  // Improve access checks when the feature evolves.
+  header('Location: access_denied.php');
+  exit();
+}
+// End of access checks.
+
+$fileHelper = new ttFileHelper($err);
+
+$filename = $file['file_name'];
+$mime_type = 'image/jpeg'; // Hardcoded type for now. TODO: fix this.
+
+if ($fileHelper->getFile($file)) {
+  header('Pragma: public'); // This is needed for IE8 to download files over https.
+  header('Content-Type: '.$mime_type);
+  header('Expires: '.gmdate('D, d M Y H:i:s').' GMT');
+  header('Content-Disposition: attachment; filename="'.$filename.'"');
+  header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+  header('Cache-Control: private', false);
+
+  echo $fileHelper->getFileData();
+  exit;
+} else
+  $err->add($i18n->get('error.sys'));
+
+$form = new Form('fileForm');
+$form->addInput(array('type'=>'hidden','name'=>'id','value'=>$cl_file_id));
+$form->addInput(array('type'=>'text','maxlength'=>'100','name'=>'file_name','style'=>'width: 250px;','value'=>$cl_name));
+$form->getElement('file_name')->setEnabled(false);
+$form->addInput(array('type'=>'textarea','name'=>'description','style'=>'width: 250px; height: 40px;','value'=>$cl_description));
+$form->addInput(array('type'=>'submit','name'=>'btn_save','value'=>$i18n->get('button.save')));
+
+if ($request->isPost()) {
+  // Validate user input.
+  if (!ttValidString($cl_description, true)) $err->add($i18n->get('error.field'), $i18n->get('label.description'));
+
+  if ($err->no()) {
+    if ($request->getParameter('btn_save')) {
+      // Update file information.
+      $updated = ttFileHelper::update(array('id' => $cl_file_id,'description' => $cl_description));
+      if ($updated && $file['entity_type'] == 'project') {
+        header('Location: project_files.php?id='.$file['entity_id']);
+        exit();
+      } else
+        $err->add($i18n->get('error.db'));
+    }
+  }
+} // isPost
+
+$smarty->assign('forms', array($form->getName()=>$form->toArray()));
+$smarty->assign('onload', 'onLoad="document.fileForm.description.focus()"');
+$smarty->assign('title', $i18n->get('title.edit_file'));
+$smarty->assign('content_page_name', 'file_edit.tpl');
+$smarty->display('index.tpl');