472ce840f60fe212e926087bb3c706da90a0d865
6 * Copyright (c) 1999-2002 The SquirrelMail Project Team
7 * Licensed under the GNU GPL. For full terms see the file COPYING.
9 * Handles attachment downloads to the users computer.
10 * Also allows displaying of attachments when possible.
15 /* Path for SquirrelMail required files. */
16 define('SM_PATH','../');
18 /* SquirrelMail required files. */
19 require_once(SM_PATH
. 'include/validate.php');
20 require_once(SM_PATH
. 'functions/imap.php');
21 require_once(SM_PATH
. 'functions/mime.php');
24 header('Cache-Control: cache');
28 $key = $_COOKIE['key'];
29 $username = $_SESSION['username'];
30 $onetimepad = $_SESSION['onetimepad'];
31 $mailbox = $_GET['mailbox'];
32 $passed_id = $_GET['passed_id'];
33 $ent_id = $_GET['ent_id'];
34 $messages = $_SESSION['messages'];
35 if (!isset($passed_ent_id)) {
38 $passed_ent_id = $_GET['passed_ent_id'];
42 $mailbox = decodeHeader($mailbox);
46 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
47 $mbx_response = sqimap_mailbox_select($imapConnection, $mailbox);
49 $message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"];
50 if (!is_object($message)) {
51 $message = sqimap_get_message($imapConnection,$passed_id, $mailbox);
53 $subject = $message->rfc822_header
->subject
;
54 $message = &$message->getEntity($ent_id);
55 $header = $message->header
;
56 if ($message->rfc822_header
) {
57 $subject = $message->rfc822_header
->subject
;
58 $charset = $header->content_type
->properties
['charset'];
60 $header = $message->header
;
61 $charset = $header->getParameter('charset');
63 $type0 = $header->type0
;
64 $type1 = $header->type1
;
65 $encoding = strtolower($header->encoding
);
68 * lets redefine message as this particular entity that we wish to display.
69 * it should hold only the header for this entity. We need to fetch the body
70 * yet before we can display anything.
73 if (isset($override_type0)) {
74 $type0 = $override_type0;
76 if (isset($override_type1)) {
77 $type1 = $override_type1;
80 if (is_object($message->header
->disposition
)) {
81 $filename = decodeHeader($header->disposition
->getProperty('filename'));
83 $filename = decodeHeader($header->disposition
->getProperty('name'));
86 if (strlen($filename) < 1) {
87 if ($type1 == 'plain' && $type0 == 'text') {
89 $filename = $subject . '.txt';
90 } else if ($type1 == 'richtext' && $type0 == 'text') {
92 $filename = $subject . '.rtf';
93 } else if ($type1 == 'postscript' && $type0 == 'application') {
95 $filename = $subject . '.ps';
96 } else if ($type1 == 'rfc822' && $type0 == 'message') {
98 $filename = $subject . '.msg';
103 if (strlen($filename) < 1) {
104 $filename = "untitled$ent_id.$suffix";
106 $filename = "$filename.$suffix";
112 * The following sections display the attachment in different
113 * ways depending on how they choose. The first way will download
114 * under any circumstance. This sets the Content-type to be
115 * applicatin/octet-stream, which should be interpreted by the
116 * browser as "download me".
117 * The second method (view) is used for images or other formats
118 * that should be able to be handled by the browser. It will
119 * most likely display the attachment inline inside the browser.
120 * And finally, the third one will be used by default. If it
121 * is displayable (text or html), it will load them up in a text
122 * viewer (built in to squirrelmail). Otherwise, it sets the
123 * content-type as application/octet-stream
125 if (isset($absolute_dl) && $absolute_dl == 'true') {
126 DumpHeaders($type0, $type1, $filename, 1);
128 DumpHeaders($type0, $type1, $filename, 0);
130 /* be aware that any warning caused by download.php will corrupt the
131 * attachment in case of ERROR reporting = E_ALL and the output is the screen */
132 mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding);
135 * This function is verified to work with Netscape and the *very latest*
136 * version of IE. I don't know if it works with Opera, but it should now.
138 function DumpHeaders($type0, $type1, $filename, $force) {
139 global $_SERVER, $languages, $squirrelmail_language;
142 $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
144 if (strstr($HTTP_USER_AGENT, 'compatible; MSIE ') !== false &&
145 strstr($HTTP_USER_AGENT, 'Opera') === false) {
149 if (strstr($HTTP_USER_AGENT, 'compatible; MSIE 6') !== false &&
150 strstr($HTTP_USER_AGENT, 'Opera') === false) {
154 if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
155 function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
157 $languages[$squirrelmail_language]['XTRA_CODE']('downloadfilename', $filename, $HTTP_USER_AGENT);
159 $filename = ereg_replace('[^-a-zA-Z0-9\.]', '_', $filename);
162 // A Pox on Microsoft and it's Office!
164 // Try to show in browser window
165 header("Content-Disposition: inline; filename=\"$filename\"");
166 header("Content-Type: $type0/$type1; name=\"$filename\"");
168 // Try to pop up the "save as" box
169 // IE makes this hard. It pops up 2 save boxes, or none.
170 // http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
171 // But, accordint to Microsoft, it is "RFC compliant but doesn't
172 // take into account some deviations that allowed within the
173 // specification." Doesn't that mean RFC non-compliant?
174 // http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
176 // The best thing you can do for IE is to upgrade to the latest
178 if ($isIE && !isset($isIE6)) {
179 // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
180 // Do not have quotes around filename, but that applied to
181 // "attachment"... does it apply to inline too?
183 // This combination seems to work mostly. IE 5.5 SP 1 has
184 // known issues (see the Microsoft Knowledge Base)
185 header("Content-Disposition: inline; filename=$filename");
187 // This works for most types, but doesn't work with Word files
188 header("Content-Type: application/download; name=\"$filename\"");
190 // These are spares, just in case. :-)
191 //header("Content-Type: $type0/$type1; name=\"$filename\"");
192 //header("Content-Type: application/x-msdownload; name=\"$filename\"");
193 //header("Content-Type: application/octet-stream; name=\"$filename\"");
195 header("Content-Disposition: attachment; filename=\"$filename\"");
196 // application/octet-stream forces download for Netscape
197 header("Content-Type: application/octet-stream; name=\"$filename\"");