6 * Handles attachment downloads to the users computer.
7 * Also allows displaying of attachments when possible.
9 * @copyright © 1999-2006 The SquirrelMail Project Team
10 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
12 * @package squirrelmail
16 * Include the SquirrelMail initialization file.
18 require('../include/init.php');
20 /* SquirrelMail required files. */
21 require(SM_PATH
. 'functions/imap_general.php');
22 require(SM_PATH
. 'functions/mailbox_display.php');
23 require(SM_PATH
. 'functions/mime.php');
26 header('Cache-Control: cache');
29 sqgetGlobalVar('key', $key, SQ_COOKIE
);
30 sqgetGlobalVar('username', $username, SQ_SESSION
);
31 sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION
);
32 sqgetGlobalVar('mailbox_cache',$mailbox_cache,SQ_SESSION
);
33 sqgetGlobalVar('messages', $messages, SQ_SESSION
);
34 sqgetGlobalVar('mailbox', $mailbox, SQ_GET
);
35 sqgetGlobalVar('ent_id', $ent_id, SQ_GET
);
36 sqgetGlobalVar('absolute_dl',$absolute_dl, SQ_GET
);
37 if ( sqgetGlobalVar('passed_id', $temp, SQ_GET
) ) {
38 $passed_id = (int) $temp;
40 if (!sqgetGlobalVar('account', $account, SQ_GET
) ) {
44 global $default_charset;
49 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
50 $aMailbox = sqm_api_mailbox_select($imapConnection, $account, $mailbox,array(),array());
52 if (isset($aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT']) &&
53 is_object($aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT']) ) {
54 $message = $aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT'];
56 $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
57 $aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT'] = $message;
60 //$mbx_response = sqimap_mailbox_select($imapConnection, $mailbox);
62 //$message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"];
63 //if (!is_object($message)) {
64 // $message = sqimap_get_message($imapConnection,$passed_id, $mailbox);
66 $subject = $message->rfc822_header
->subject
;
68 // replace message with message part, if message part is requested.
69 $message = $message->getEntity($ent_id);
70 $header = $message->header
;
72 if ($message->rfc822_header
) {
73 $subject = $message->rfc822_header
->subject
;
75 $header = $message->header
;
77 $type0 = $header->type0
;
78 $type1 = $header->type1
;
79 $encoding = strtolower($header->encoding
);
84 $encoding = 'US-ASCII';
85 $header = $message->header
;
89 * lets redefine message as this particular entity that we wish to display.
90 * it should hold only the header for this entity. We need to fetch the body
91 * yet before we can display anything.
94 if (isset($override_type0)) {
95 $type0 = $override_type0;
97 if (isset($override_type1)) {
98 $type1 = $override_type1;
101 if (is_object($message->header
->disposition
)) {
102 $filename = $header->disposition
->getProperty('filename');
104 $filename = $header->disposition
->getProperty('name');
107 $filename = $header->getParameter('name');
110 $filename = $header->getParameter('name');
113 $filename = decodeHeader($filename,true,false);
114 $filename = charset_encode($filename,$default_charset,false);
116 // If name is not set, use subject of email
117 if (strlen($filename) < 1) {
118 $filename = decodeHeader($subject, true, true);
119 $filename = charset_encode($filename,$default_charset,false);
120 if ($type1 == 'plain' && $type0 == 'text')
122 else if ($type1 == 'richtext' && $type0 == 'text')
124 else if ($type1 == 'postscript' && $type0 == 'application')
126 else if ($type1 == 'rfc822' && $type0 == 'message')
132 $filename = 'untitled' . strip_tags($ent_id);
133 $filename = $filename . '.' . $suffix;
137 * Update mailbox_cache and close session in order to prevent
138 * script locking on larger downloads. SendDownloadHeaders() and
139 * mime_print_body_lines() don't write information to session.
140 * mime_print_body_lines() call duration depends on size of
141 * attachment and script can cause interface lockups, if session
144 $mailbox_cache[$aMailbox['NAME']] = $aMailbox;
145 sqsession_register($mailbox_cache,'mailbox_cache');
146 session_write_close();
150 * The following sections display the attachment in different
151 * ways depending on how they choose. The first way will download
152 * under any circumstance. This sets the Content-type to be
153 * applicatin/octet-stream, which should be interpreted by the
154 * browser as "download me".
155 * The second method (view) is used for images or other formats
156 * that should be able to be handled by the browser. It will
157 * most likely display the attachment inline inside the browser.
158 * And finally, the third one will be used by default. If it
159 * is displayable (text or html), it will load them up in a text
160 * viewer (built in to SquirrelMail). Otherwise, it sets the
161 * content-type as application/octet-stream
163 if (isset($absolute_dl) && $absolute_dl) {
164 SendDownloadHeaders($type0, $type1, $filename, 1);
166 SendDownloadHeaders($type0, $type1, $filename, 0);
168 /* be aware that any warning caused by download.php will corrupt the
169 * attachment in case of ERROR reporting = E_ALL and the output is the screen */
170 mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding);