source: subversion/trunk/roundcubemail/program/steps/mail/attachments.inc @ 3261

Last change on this file since 3261 was 3261, checked in by alec, 3 years ago
  • Fix attachment excessive memory use, support messages of any size (#1484660)
  • Property svn:keywords set to Author Date Id Revision
File size: 5.3 KB
Line 
1<?php
2
3/*
4 +-----------------------------------------------------------------------+
5 | program/steps/mail/attachments.inc                                    |
6 |                                                                       |
7 | This file is part of the RoundCube Webmail client                     |
8 | Copyright (C) 2005-2009, RoundCube Dev. - Switzerland                 |
9 | Licensed under the GNU GPL                                            |
10 |                                                                       |
11 | PURPOSE:                                                              |
12 |   Upload, remove, display attachments in compose form                 |
13 |                                                                       |
14 +-----------------------------------------------------------------------+
15 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
16 +-----------------------------------------------------------------------+
17
18 $Id$
19
20*/
21
22
23if (!$_SESSION['compose']) {
24  die("Invalid session var!");
25}
26
27
28// remove an attachment
29if ($RCMAIL->action=='remove-attachment')
30{
31  $id = 'undefined';
32  if (preg_match('/^rcmfile(\w+)$/', $_POST['_file'], $regs))
33    $id = $regs[1];
34  if ($attachment = $_SESSION['compose']['attachments'][$id])
35    $attachment = $RCMAIL->plugins->exec_hook('remove_attachment', $attachment);
36  if ($attachment['status']) {
37    if (is_array($_SESSION['compose']['attachments'][$id])) {
38      unset($_SESSION['compose']['attachments'][$id]);
39      $OUTPUT->command('remove_from_attachment_list', "rcmfile$id");
40    }
41  }
42 
43  $OUTPUT->send();
44  exit;
45}
46
47if ($RCMAIL->action=='display-attachment')
48{
49  $id = 'undefined';
50  if (preg_match('/^rcmfile(\w+)$/', $_GET['_file'], $regs))
51    $id = $regs[1];
52  if ($attachment = $_SESSION['compose']['attachments'][$id])
53    $attachment = $RCMAIL->plugins->exec_hook('display_attachment', $attachment);
54   
55  if ($attachment['status']) {
56    if (empty($attachment['size']))
57      $attachment['size'] = $attachment['data'] ? strlen($attachment['data']) : @filesize($attachment['path']);
58
59    header('Content-Type: ' . $attachment['mimetype']);
60    header('Content-Length: ' . $attachment['size']);
61   
62    if ($attachment['data'])
63      echo $attachment['data'];
64    else if ($attachment['path'])
65      readfile($attachment['path']);
66  }
67  exit;
68}
69
70// attachment upload action
71
72if (!is_array($_SESSION['compose']['attachments'])) {
73  $_SESSION['compose']['attachments'] = array();
74}
75
76// clear all stored output properties (like scripts and env vars)
77$OUTPUT->reset();
78
79$uploadid = get_input_value('_uploadid', RCUBE_INPUT_GET);
80
81if (is_array($_FILES['_attachments']['tmp_name'])) {
82  foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath) {
83    $attachment = array(
84      'path' => $filepath,
85      'size' => $_FILES['_attachments']['size'][$i],
86      'name' => $_FILES['_attachments']['name'][$i],
87      'mimetype' => rc_mime_content_type($filepath, $_FILES['_attachments']['name'][$i], $_FILES['_attachments']['type'][$i])
88    );
89
90    $attachment = $RCMAIL->plugins->exec_hook('upload_attachment', $attachment);
91
92    if ($attachment['status'] && !$attachment['abort']) {
93      $id = $attachment['id'];
94     
95      // store new attachment in session
96      unset($attachment['status'], $attachment['abort']);
97      $_SESSION['compose']['attachments'][$id] = $attachment;
98     
99      if (($icon = $_SESSION['compose']['deleteicon']) && is_file($icon)) {
100        $button = html::img(array(
101          'src' => $icon,
102          'alt' => rcube_label('delete')
103        ));
104      }
105      else {
106        $button = Q(rcube_label('delete'));
107      }
108
109      $content = html::a(array(
110        'href' => "#delete",
111        'onclick' => sprintf("return %s.command('remove-attachment','rcmfile%s', this)", JS_OBJECT_NAME, $id),
112        'title' => rcube_label('delete'),
113      ), $button);
114
115      $content .= Q($attachment['name']);
116     
117      $OUTPUT->command('add2attachment_list', "rcmfile$id", array(
118        'html' => $content,
119        'name' => $attachment['name'],
120        'mimetype' => $attachment['mimetype'],
121        'complete' => true), $uploadid);
122    }
123    else {  // upload failed
124      $err = $_FILES['_attachments']['error'][$i];
125      if ($err == UPLOAD_ERR_INI_SIZE || $err == UPLOAD_ERR_FORM_SIZE) {
126        $msg = rcube_label(array('name' => 'filesizeerror', 'vars' => array('size' => show_bytes(parse_bytes(ini_get('upload_max_filesize'))))));
127      }
128      else if ($attachment['error']) {
129        $msg = $attachment['error'];
130      }
131      else {
132        $msg = rcube_label('fileuploaderror');
133      }
134   
135      $OUTPUT->command('display_message', $msg, 'error');
136      $OUTPUT->command('remove_from_attachment_list', $uploadid);
137    }
138  }
139}
140else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
141  // if filesize exceeds post_max_size then $_FILES array is empty,
142  // show filesizeerror instead of fileuploaderror
143  if ($maxsize = ini_get('post_max_size'))
144    $msg = rcube_label(array('name' => 'filesizeerror', 'vars' => array('size' => show_bytes(parse_bytes($maxsize)))));
145  else
146    $msg = rcube_label('fileuploaderror');
147  $OUTPUT->command('display_message', $msg, 'error');
148  $OUTPUT->command('remove_from_attachment_list', $uploadid);
149}
150
151// send html page with JS calls as response
152$OUTPUT->command('auto_save_start', false);
153$OUTPUT->send('iframe');
154
155?>
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