59177427 |
1 | <?php |
2ba13803 |
2 | |
35586184 |
3 | /** |
4 | * mime.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 | * This contains the functions necessary to detect and decode MIME |
10 | * messages. |
11 | * |
12 | * $Id$ |
13 | */ |
b74ba498 |
14 | |
35586184 |
15 | require_once('../functions/imap.php'); |
16 | require_once('../functions/attachment_common.php'); |
8beafbbc |
17 | |
451f74a2 |
18 | /* --------------------------------------------------------------------------------- */ |
19 | /* MIME DECODING */ |
20 | /* --------------------------------------------------------------------------------- */ |
b74ba498 |
21 | |
451f74a2 |
22 | /* This function gets the structure of a message and stores it in the "message" class. |
23 | * It will return this object for use with all relevant header information and |
24 | * fully parsed into the standard "message" object format. |
25 | */ |
77b88425 |
26 | |
a4a70693 |
27 | function mime_structure ($bodystructure, $flags=array()) { |
c9d78ab4 |
28 | |
3d8371be |
29 | /* Isolate the body structure and remove beginning and end parenthesis. */ |
a4a70693 |
30 | $read = trim(substr ($bodystructure, strpos(strtolower($bodystructure), 'bodystructure') + 13)); |
451f74a2 |
31 | $read = trim(substr ($read, 0, -1)); |
3d8371be |
32 | $msg =& new Message(); |
33 | $res = $msg->parseStructure($read); |
34 | $msg = $res[0]; |
9de42168 |
35 | if (!is_object($msg)) { |
36 | include_once( '../functions/display_messages.php' ); |
3d8371be |
37 | global $color, $mailbox; |
9de42168 |
38 | displayPageHeader( $color, urldecode($mailbox) ); |
39 | echo "<BODY TEXT=\"$color[8]\" BGCOLOR=\"$color[4]\" LINK=\"$color[7]\" VLINK=\"$color[7]\" ALINK=\"$color[7]\">\n\n" . |
40 | '<CENTER>'; |
3d8371be |
41 | $errormessage = _("Squirrelmail could not decode the bodystructure of the message"); |
42 | $errormessage .= '<BR>'._("the provided bodystructure by your imap-server").':<BR><BR>'; |
43 | $errormessage .= '<table><tr><td>' . htmlspecialchars($read) . '</td></tr></table>'; |
9de42168 |
44 | plain_error_message( $errormessage, $color ); |
3d8371be |
45 | echo '</body></html>'; |
9de42168 |
46 | exit; |
47 | } |
a4a70693 |
48 | $msg->setEnt('0'); |
49 | if (count($flags)) { |
7a9e9c89 |
50 | foreach ($flags as $flag) { |
51 | $char = strtoupper($flag{1}); |
52 | switch ($char) { |
3d8371be |
53 | case 'S': |
54 | if (strtolower($flag) == '\\seen') { |
55 | $msg->is_seen = true; |
56 | } |
57 | break; |
58 | case 'A': |
59 | if (strtolower($flag) == '\\answered') { |
60 | $msg->is_answered = true; |
61 | } |
62 | break; |
63 | case 'D': |
64 | if (strtolower($flag) == '\\deleted') { |
65 | $msg->is_deleted = true; |
66 | } |
67 | break; |
68 | case 'F': |
69 | if (strtolower($flag) == '\\flagged') { |
70 | $msg->is_flagged = true; |
71 | } |
72 | break; |
73 | case 'M': |
74 | if (strtolower($flag) == '$mdnsent') { |
75 | $msg->is_mdnsent = true; |
76 | } |
77 | break; |
78 | default: |
79 | break; |
7a9e9c89 |
80 | } |
81 | } |
451f74a2 |
82 | } |
7a9e9c89 |
83 | // listEntities($msg); |
3d8371be |
84 | return $msg; |
451f74a2 |
85 | } |
b74ba498 |
86 | |
3d8371be |
87 | /* This starts the parsing of a particular structure. It is called recursively, |
451f74a2 |
88 | * so it can be passed different structures. It returns an object of type |
89 | * $message. |
90 | * First, it checks to see if it is a multipart message. If it is, then it |
91 | * handles that as it sees is necessary. If it is just a regular entity, |
92 | * then it parses it and adds the necessary header information (by calling out |
93 | * to mime_get_elements() |
94 | */ |
451f74a2 |
95 | |
93f92f03 |
96 | function mime_fetch_body($imap_stream, $id, $ent_id) { |
a4a70693 |
97 | global $uid_support; |
3d8371be |
98 | /* Do a bit of error correction. If we couldn't find the entity id, just guess |
09a4bde3 |
99 | * that it is the first one. That is usually the case anyway. |
100 | */ |
101 | if (!$ent_id) { |
451f74a2 |
102 | $ent_id = 1; |
09a4bde3 |
103 | } |
6ab1bd9e |
104 | $cmd = "FETCH $id BODY[$ent_id]"; |
3d8371be |
105 | |
a4a70693 |
106 | $data = sqimap_run_command ($imap_stream, $cmd, true, $response, $message, $uid_support); |
77b88425 |
107 | do { |
3d8371be |
108 | $topline = trim(array_shift($data)); |
109 | } while($topline && ($topline[0] == '*') && !preg_match('/\* [0-9]+ FETCH.*/i', $topline)) ; |
a4a70693 |
110 | |
451f74a2 |
111 | $wholemessage = implode('', $data); |
112 | if (ereg('\\{([^\\}]*)\\}', $topline, $regs)) { |
3d8371be |
113 | $ret = substr($wholemessage, 0, $regs[1]); |
114 | /* There is some information in the content info header that could be important |
115 | * in order to parse html messages. Let's get them here. |
116 | */ |
117 | if ($ret{0} == '<') { |
a4a70693 |
118 | $data = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent_id.MIME]", true, $response, $message, $uid_support); |
451f74a2 |
119 | } |
120 | } else if (ereg('"([^"]*)"', $topline, $regs)) { |
121 | $ret = $regs[1]; |
122 | } else { |
123 | global $where, $what, $mailbox, $passed_id, $startMessage; |
3d8371be |
124 | $par = 'mailbox=' . urlencode($mailbox) . '&passed_id=' . $passed_id; |
451f74a2 |
125 | if (isset($where) && isset($what)) { |
3d8371be |
126 | $par .= '&where=' . urlencode($where) . '&what=' . urlencode($what); |
a3daaaf3 |
127 | } else { |
3d8371be |
128 | $par .= '&startMessage=' . $startMessage . '&show_more=0'; |
451f74a2 |
129 | } |
e5ea9327 |
130 | $par .= '&response=' . urlencode($response) . |
3d8371be |
131 | '&message=' . urlencode($message) . |
132 | '&topline=' . urlencode($topline); |
a019eeb8 |
133 | |
346817d4 |
134 | echo '<tt><br>' . |
135 | '<table width="80%"><tr>' . |
136 | '<tr><td colspan=2>' . |
451f74a2 |
137 | _("Body retrieval error. The reason for this is most probably that the message is malformed. Please help us making future versions better by submitting this message to the developers knowledgebase!") . |
346817d4 |
138 | " <A HREF=\"../src/retrievalerror.php?$par\"><br>" . |
139 | _("Submit message") . '</A><BR> ' . |
140 | '</td></tr>' . |
141 | '<td><b>' . _("Command:") . "</td><td>$cmd</td></tr>" . |
142 | '<td><b>' . _("Response:") . "</td><td>$response</td></tr>" . |
143 | '<td><b>' . _("Message:") . "</td><td>$message</td></tr>" . |
144 | '<td><b>' . _("FETCH line:") . "</td><td>$topline</td></tr>" . |
145 | "</table><BR></tt></font><hr>"; |
146 | |
a4a70693 |
147 | $data = sqimap_run_command ($imap_stream, "FETCH $passed_id BODY[]", true, $response, $message, $uid_support); |
451f74a2 |
148 | array_shift($data); |
149 | $wholemessage = implode('', $data); |
a019eeb8 |
150 | |
346817d4 |
151 | $ret = $wholemessage; |
a3daaaf3 |
152 | } |
3d8371be |
153 | return $ret; |
451f74a2 |
154 | } |
d4467150 |
155 | |
451f74a2 |
156 | function mime_print_body_lines ($imap_stream, $id, $ent_id, $encoding) { |
a4a70693 |
157 | global $uid_support; |
3d8371be |
158 | /* Do a bit of error correction. If we couldn't find the entity id, just guess |
159 | * that it is the first one. That is usually the case anyway. |
160 | */ |
451f74a2 |
161 | if (!$ent_id) { |
162 | $ent_id = 1; |
163 | } |
a4a70693 |
164 | $sid = sqimap_session_id($uid_support); |
3d8371be |
165 | /* Don't kill the connection if the browser is over a dialup |
166 | * and it would take over 30 seconds to download it. |
167 |