src/download.php

   1 <?php
   2
   3 /**
   4  * download.php
   5  *
   6  * Copyright (c) 1999-2004 The SquirrelMail Project Team
   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  * @version $Id$
  13  * @package squirrelmail
  14  */
  15
  16 /**
  17  * Path for SquirrelMail required files.
  18  * @ignore
  19  */
  20 define('SM_PATH','../');
  21
  22 /* SquirrelMail required files. */
  23 require_once(SM_PATH . 'include/validate.php');
  24 require_once(SM_PATH . 'functions/imap.php');
  25 require_once(SM_PATH . 'functions/mime.php');
  26
  27 header('Pragma: ');
  28 header('Cache-Control: cache');
  29
  30 /* globals */
  31 sqgetGlobalVar('key',        $key,          SQ_COOKIE);
  32 sqgetGlobalVar('username',   $username,     SQ_SESSION);
  33 sqgetGlobalVar('onetimepad', $onetimepad,   SQ_SESSION);
  34 sqgetGlobalVar('messages',   $messages,     SQ_SESSION);
  35 sqgetGlobalVar('mailbox',    $mailbox,      SQ_GET);
  36 sqgetGlobalVar('ent_id',     $ent_id,       SQ_GET);
  37 sqgetGlobalVar('absolute_dl',$absolute_dl,  SQ_GET);
  38 if ( sqgetGlobalVar('passed_id', $temp, SQ_GET) ) {
  39   $passed_id = (int) $temp;
  40 }
  41
  42 /* end globals */
  43
  44 $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
  45 $mbx_response =  sqimap_mailbox_select($imapConnection, $mailbox);
  46
  47 $message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"];
  48 if (!is_object($message)) {
  49     $message = sqimap_get_message($imapConnection,$passed_id, $mailbox);
  50 }
  51 $subject = $message->rfc822_header->subject;
  52 if ($ent_id) {
  53     $message = &$message->getEntity($ent_id);
  54     $header = $message->header;
  55
  56     if ($message->rfc822_header) {
  57        $subject = $message->rfc822_header->subject;
  58     } else {
  59        $header = $message->header;
  60     }
  61     $type0 = $header->type0;
  62     $type1 = $header->type1;
  63     $encoding = strtolower($header->encoding);
  64 } else {
  65     /* raw message */
  66     $type0 = 'message';
  67     $type1 = 'rfc822';
  68     $encoding = 'US-ASCII';
  69     $header = $message->header;
  70 }
  71
  72 /*
  73  * lets redefine message as this particular entity that we wish to display.
  74  * it should hold only the header for this entity.  We need to fetch the body
  75  * yet before we can display anything.
  76  */
  77
  78 if (isset($override_type0)) {
  79     $type0 = $override_type0;
  80 }
  81 if (isset($override_type1)) {
  82     $type1 = $override_type1;
  83 }
  84 $filename = '';
  85 if (is_object($message->header->disposition)) {
  86     $filename = $header->disposition->getProperty('filename');
  87     if (!$filename) {
  88         $filename = $header->disposition->getProperty('name');
  89     }
  90     if (!$filename) {
  91         $filename = $header->getParameter('name');
  92     }
  93 } else {
  94     $filename = $header->getParameter('name');
  95 }
  96
  97 //$filename = decodeHeader($filename, false, false);    //Don't want html output nor utf8 because it will return html output
  98 $filename = decodeHeader($filename, true, false);   //Don't want html output
  99 if (strlen($filename) < 1) {
 100     //$filename = decodeHeader($subject, false, false); //Don't want html output nor utf8 because it will return html output
 101     $filename = decodeHeader($subject, true, false);   //Don't want html output
 102     if ($type1 == 'plain' && $type0 == 'text')
 103         $suffix = 'txt';
 104     else if ($type1 == 'richtext' && $type0 == 'text')
 105         $suffix = 'rtf';
 106     else if ($type1 == 'postscript' && $type0 == 'application')
 107         $suffix = 'ps';
 108     else if ($type1 == 'rfc822' && $type0 == 'message')
 109         $suffix = 'msg';
 110     else
 111         $suffix = $type1;
 112
 113     if ($filename == '')
 114         $filename = 'untitled' . strip_tags($ent_id);
 115     $filename = $filename . '.' . $suffix;
 116 }
 117
 118 /*
 119  * Note:
 120  *    The following sections display the attachment in different
 121  *    ways depending on how they choose.  The first way will download
 122  *    under any circumstance.  This sets the Content-type to be
 123  *    applicatin/octet-stream, which should be interpreted by the
 124  *    browser as "download me".
 125  *      The second method (view) is used for images or other formats
 126  *    that should be able to be handled by the browser.  It will
 127  *    most likely display the attachment inline inside the browser.
 128  *      And finally, the third one will be used by default.  If it
 129  *    is displayable (text or html), it will load them up in a text
 130  *    viewer (built in to squirrelmail).  Otherwise, it sets the
 131  *    content-type as application/octet-stream
 132  */
 133 if (isset($absolute_dl) && $absolute_dl) {
 134     SendDownloadHeaders($type0, $type1, $filename, 1);
 135 } else {
 136     SendDownloadHeaders($type0, $type1, $filename, 0);
 137 }
 138 /* be aware that any warning caused by download.php will corrupt the
 139  * attachment in case of ERROR reporting = E_ALL and the output is the screen */
 140 mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding);
 141
 142 ?>