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 require_once('../src/validate.php');
16 require_once('../functions/imap.php');
17 require_once('../functions/mime.php');
20 header('Cache-Control: cache');
22 function get_extract_to_target_list($imapConnection) {
23 $boxes = sqimap_mailbox_list($imapConnection);
24 for ($i = 0; $i < count($boxes); $i++
) {
25 if (!in_array('noselect', $boxes[$i]['flags'])) {
26 $box = $boxes[$i]['unformatted'];
27 $box2 = str_replace(' ', ' ', $boxes[$i]['unformatted-disp']);
28 if ( $box2 == 'INBOX' ) {
31 echo "<option value=\"$box\">$box2</option>\n";
35 $mailbox = decodeHeader($mailbox);
37 global $messages, $uid_support;
39 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
40 $mbx_response = sqimap_mailbox_select($imapConnection, $mailbox);
41 if (!isset($passed_ent_id)) {
45 $message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"];
46 $message = &$message->getEntity($passed_ent_id);
48 $header = $message->header
;
49 $charset = $header->getParameter('charset');
50 $type0 = $header->type0
;
51 $type1 = $header->type1
;
52 $encoding = strtolower($header->encoding
);
56 if (isset($extract_message) && $extract_message) {
57 $cmd = "FETCH $passed_id BODY[$passed_ent_id]";
58 $read = sqimap_run_command ($imapConnection, $cmd, true, $response, $message, $uid_support);
62 for ($i=1;$i<$cnt;$i++) {
63 $length = $length + strlen($read[$i]);
66 if (isset($targetMailbox) && $length>0) {
67 sqimap_append ($imapConnection, $targetMailbox, $length);
68 fputs($imapConnection,$body);
69 sqimap_append_done ($imapConnection);
77 * lets redefine message as this particular entity that we wish to display.
78 * it should hold only the header for this entity. We need to fetch the body
79 * yet before we can display anything.
82 if (isset($override_type0)) {
83 $type0 = $override_type0;
85 if (isset($override_type1)) {
86 $type1 = $override_type1;
89 $filename = decodeHeader($message->header
->getParameter('filename'));
92 $filename = decodeHeader($message->header
->getParameter('name'));
95 if (strlen($filename) < 1) {
96 if ($type1 == 'plain' && $type0 == 'text') {
98 $filename = $header->subject
. '.txt';
99 } else if ($type1 == 'richtext' && $type0 == 'text') {
101 $filename = $header->subject
. '.rtf';
102 } else if ($type1 == 'postscript' && $type0 == 'application') {
104 $filename = $header->subject
. '.ps';
105 } else if ($type1 == 'rfc822' && $type0 == 'message') {
107 $filename = $header->subject
. '.msg';
112 if (strlen($filename) < 1) {
113 $filename = "untitled$passed_ent_id.$suffix";
115 $filename = "$filename.$suffix";
121 * The following sections display the attachment in different
122 * ways depending on how they choose. The first way will download
123 * under any circumstance. This sets the Content-type to be
124 * applicatin/octet-stream, which should be interpreted by the
125 * browser as "download me".
126 * The second method (view) is used for images or other formats
127 * that should be able to be handled by the browser. It will
128 * most likely display the attachment inline inside the browser.
129 * And finally, the third one will be used by default. If it
130 * is displayable (text or html), it will load them up in a text
131 * viewer (built in to squirrelmail). Otherwise, it sets the
132 * content-type as application/octet-stream
134 if (isset($absolute_dl) && $absolute_dl == 'true') {
135 DumpHeaders($type0, $type1, $filename, 1);
137 DumpHeaders($type0, $type1, $filename, 0);
139 /* be aware that any warning caused by download.php will corrupt the
140 * attachment in case of ERROR reporting = E_ALL and the output is the screen */
141 mime_print_body_lines ($imapConnection, $passed_id, $passed_ent_id, $encoding);
144 $message = &$message->getEntity('');
145 $messages[$mbx_response['UIDVALIDITY']]["$passed_id"] = &$message;
148 * This function is verified to work with Netscape and the *very latest*
149 * version of IE. I don't know if it works with Opera, but it should now.
151 function DumpHeaders($type0, $type1, $filename, $force) {
152 global $HTTP_USER_AGENT;
155 if (strstr($HTTP_USER_AGENT, 'compatible; MSIE ') !== false &&
156 strstr($HTTP_USER_AGENT, 'Opera') === false) {
160 if (strstr($HTTP_USER_AGENT, 'compatible; MSIE 6') !== false &&
161 strstr($HTTP_USER_AGENT, 'Opera') === false) {
165 $filename = ereg_replace('[^-a-zA-Z0-9\.]', '_', $filename);
167 // A Pox on Microsoft and it's Office!
169 // Try to show in browser window
170 header("Content-Disposition: inline; filename=\"$filename\"");
171 header("Content-Type: $type0/$type1; name=\"$filename\"");
173 // Try to pop up the "save as" box
174 // IE makes this hard. It pops up 2 save boxes, or none.
175 // http://support.microsoft.com/support/kb/articles/Q238/5/88.ASP
176 // But, accordint to Microsoft, it is "RFC compliant but doesn't
177 // take into account some deviations that allowed within the
178 // specification." Doesn't that mean RFC non-compliant?
179 // http://support.microsoft.com/support/kb/articles/Q258/4/52.ASP
181 // The best thing you can do for IE is to upgrade to the latest
183 if ($isIE && !isset($isIE6)) {
184 // http://support.microsoft.com/support/kb/articles/Q182/3/15.asp
185 // Do not have quotes around filename, but that applied to
186 // "attachment"... does it apply to inline too?
188 // This combination seems to work mostly. IE 5.5 SP 1 has
189 // known issues (see the Microsoft Knowledge Base)
190 header("Content-Disposition: inline; filename=$filename");
192 // This works for most types, but doesn't work with Word files
193 header("Content-Type: application/download; name=\"$filename\"");
195 // These are spares, just in case. :-)
196 //header("Content-Type: $type0/$type1; name=\"$filename\"");
197 //header("Content-Type: application/x-msdownload; name=\"$filename\"");
198 //header("Content-Type: application/octet-stream; name=\"$filename\"");
200 header("Content-Disposition: attachment; filename=\"$filename\"");
201 // application/octet-stream forces download for Netscape
202 header("Content-Type: application/octet-stream; name=\"$filename\"");