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