rg=0 fix
[squirrelmail.git] / src / download.php
CommitLineData
59177427 1<?php
895905c0 2
35586184 3/**
4 * download.php
5 *
15e6162e 6 * Copyright (c) 1999-2002 The SquirrelMail Project Team
35586184 7 * Licensed under the GNU GPL. For full terms see the file COPYING.
8 *
9 * Handles attachment downloads to the users computer.
10 * Also allows displaying of attachments when possible.
11 *
12 * $Id$
13 */
14
86725763 15/* Path for SquirrelMail required files. */
16define('SM_PATH','../');
17
18/* SquirrelMail required files. */
08185f2a 19require_once(SM_PATH . 'include/validate.php');
86725763 20require_once(SM_PATH . 'functions/imap.php');
21require_once(SM_PATH . 'functions/mime.php');
6b96544a 22
65c3ec94 23header('Pragma: ');
24header('Cache-Control: cache');
25
0b97a708 26/* globals */
27
28$key = $_COOKIE['key'];
29$username = $_SESSION['username'];
30$onetimepad = $_SESSION['onetimepad'];
31$mailbox = $_GET['mailbox'];
32$passed_id = $_GET['passed_id'];
ce274df9 33$ent_id = $_GET['ent_id'];
1075eaf1 34$messages = $_SESSION['messages'];
88d916ee 35if (isset($_GET['passed_ent_id'])) {
ce274df9 36 $passed_ent_id = $_GET['passed_ent_id'];
88d916ee 37} else {
38 $passed_ent_id = '';
39}
40
41if (isset($_GET['absolute_dl'])) {
42 $absolute_dl = $_GET['absolute_dl'];
0b97a708 43}
1075eaf1 44
0b97a708 45/* end globals */
1e606225 46$mailbox = decodeHeader($mailbox);
97d7da3b 47
1075eaf1 48global $uid_support;
97d7da3b 49
1e606225 50$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
51$mbx_response = sqimap_mailbox_select($imapConnection, $mailbox);
97d7da3b 52
1e606225 53$message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"];
5a1c48cd 54if (!is_object($message)) {
55 $message = sqimap_get_message($imapConnection,$passed_id, $mailbox);
56}
ff9d4297 57$subject = $message->rfc822_header->subject;
58$message = &$message->getEntity($ent_id);
1e606225 59$header = $message->header;
ff9d4297 60if ($message->rfc822_header) {
61 $subject = $message->rfc822_header->subject;
62 $charset = $header->content_type->properties['charset'];
63} else {
64 $header = $message->header;
65 $charset = $header->getParameter('charset');
66}
1e606225 67$type0 = $header->type0;
68$type1 = $header->type1;
69$encoding = strtolower($header->encoding);
97d7da3b 70
1e606225 71/*
65c3ec94 72 * lets redefine message as this particular entity that we wish to display.
73 * it should hold only the header for this entity. We need to fetch the body
74 * yet before we can display anything.
75 */
65c3ec94 76
65c3ec94 77if (isset($override_type0)) {
78 $type0 = $override_type0;
79}
80if (isset($override_type1)) {
81 $type1 = $override_type1;
82}
ff9d4297 83$filename = '';
84if (is_object($message->header->disposition)) {
85 $filename = decodeHeader($header->disposition->getProperty('filename'));
86 if (!$filename) {
87 $filename = decodeHeader($header->disposition->getProperty('name'));
88 }
65c3ec94 89}
65c3ec94 90if (strlen($filename) < 1) {
91 if ($type1 == 'plain' && $type0 == 'text') {
92 $suffix = 'txt';
ff9d4297 93 $filename = $subject . '.txt';
65c3ec94 94 } else if ($type1 == 'richtext' && $type0 == 'text') {
95 $suffix = 'rtf';
ff9d4297 96 $filename = $subject . '.rtf';
65c3ec94 97 } else if ($type1 == 'postscript' && $type0 == 'application') {
98 $suffix = 'ps';
ff9d4297 99 $filename = $subject . '.ps';
97d7da3b 100 } else if ($type1 == 'rfc822' && $type0 == 'message') {
101 $suffix = 'eml';
ff9d4297 102 $filename = $subject . '.msg';
65c3ec94 103 } else {
104 $suffix = $type1;
105 }
106
631db37e 107 if (strlen($filename) < 1) {
ff9d4297 108 $filename = "untitled$ent_id.$suffix";
631db37e 109 } else {
ff9d4297 110 $filename = "$filename.$suffix";
631db37e 111 }
65c3ec94 112}
113
114/*
115 * Note:
116 * The following sections display the attachment in different
117 * ways depending on how they choose. The first way will download
118 * under any circumstance. This sets the Content-type to be
119 * applicatin/octet-stream, which should be interpreted by the
120 * browser as "download me".
121 * The second method (view) is used for images or other formats
122 * that should be able to be handled by the browser. It will
123 * most likely display the attachment inline inside the browser.
124 * And finally, the third one will be used by default. If it
125 * is displayable (text or html), it will load them up in a text
126 * viewer (built in to squirrelmail). Otherwise, it sets the
127 * content-type as application/octet-stream
128 */
88d916ee 129if (isset($absolute_dl) && $absolute_dl) {
5c553e34 130 DumpHeaders($type0, $type1, $filename, 1);
65c3ec94 131} else {
5c553e34 132 DumpHeaders($type0, $type1, $filename, 0);
65c3ec94 133}
38bca81c 134/* be aware that any warning caused by download.php will corrupt the
135 * attachment in case of ERROR reporting = E_ALL and the output is the screen */
ff9d4297 136mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding);
65c3ec94 137
65c3ec94 138/*
139 * This function is verified to work with Netscape and the *very latest*
140 * version of IE. I don't know if it works with Opera, but it should now.
141 */
142function DumpHeaders($type0, $type1, $filename, $force) {
0b97a708 143 global $_SERVER, $languages, $squirrelmail_language;
88d916ee 144 $isIE = $isIE6 = 0;
97d7da3b 145
0b97a708 146 $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
147
65c3ec94 148 if (strstr($HTTP_USER_AGENT, 'compatible; MSIE ') !== false &&
149 strstr($HTTP_USER_AGENT, 'Opera') === false) {
36294f1a 150 $isIE = 1;
65c3ec94 151 }
152
97d7da3b 153 if (strstr($HTTP_USER_AGENT, 'compatible; MSIE 6') !== false &&
154 strstr($HTTP_USER_AGENT, 'Opera') === false) {
155 $isIE6 = 1;
156 }
157
7dae3923 158 if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
159 function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
6fbd125b 160 $filename =
161 $languages[$squirrelmail_language]['XTRA_CODE']('downloadfilename', $filename, $HTTP_USER_AGENT);
83be314a 162 } else {
7dae3923 163 $filename = ereg_replace('[^-a-zA-Z0-9\.]', '_', $filename);
83be314a 164 }
65c3ec94 165
166 // A Pox on Microsoft and it's Office!
88d916ee 167 if (!$force) {
65c3ec94 168 // Try to show in browser window
169 header("Content-Disposition: inline; filename=\"$filename\"");
170 header("Content-Type: $type0/$type1; name=\"$filename\"");
171 } else {
172 // Try to pop up the "save as" box
173 // IE makes this hard. It pops up 2 save boxes, or none.
174 // http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
175 // But, accordint to Microsoft, it is "RFC compliant but doesn't
176 // take into account some deviations that allowed within the
177 // specification." Doesn't that mean RFC non-compliant?
178 // http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
179 //
180 // The best thing you can do for IE is to upgrade to the latest
181 // version
88d916ee 182 if ($isIE && !$isIE6) {
65c3ec94 183 // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
184 // Do not have quotes around filename, but that applied to
185 // "attachment"... does it apply to inline too?
186 //
187 // This combination seems to work mostly. IE 5.5 SP 1 has
188 // known issues (see the Microsoft Knowledge Base)
189 header("Content-Disposition: inline; filename=$filename");
65c3ec94 190 // This works for most types, but doesn't work with Word files
191 header("Content-Type: application/download; name=\"$filename\"");
192
193 // These are spares, just in case. :-)
194 //header("Content-Type: $type0/$type1; name=\"$filename\"");
195 //header("Content-Type: application/x-msdownload; name=\"$filename\"");
196 //header("Content-Type: application/octet-stream; name=\"$filename\"");
197 } else {
198 header("Content-Disposition: attachment; filename=\"$filename\"");
199 // application/octet-stream forces download for Netscape
200 header("Content-Type: application/octet-stream; name=\"$filename\"");
201 }
202 }
203}
631db37e 204?>