src/download.php

   1 <?php
   2    /**
   3     **  download.php
   4     **
   5     **  Copyright (c) 1999-2000 The SquirrelMail development team
   6     **  Licensed under the GNU GPL. For full terms see the file COPYING.
   7     **
   8     **  Handles attachment downloads to the users computer.
   9     **  Also allows displaying of attachments when possible.
  10     **/
  11
  12    session_start();
  13
  14    if (!isset($config_php))
  15       include("../config/config.php");
  16    if (!isset($strings_php))
  17       include("../functions/strings.php");
  18    if (!isset($page_header_php))
  19       include("../functions/page_header.php");
  20    if (!isset($imap_php))
  21       include("../functions/imap.php");
  22    if (!isset($mime_php))
  23       include("../functions/mime.php");
  24    if (!isset($date_php))
  25       include("../functions/date.php");
  26
  27    include("../src/load_prefs.php");
  28
  29    function viewText($color, $body, $id, $entid, $mailbox, $type1, $wrap_at) {
  30       global $where, $what;
  31       displayPageHeader($color, "None");
  32
  33       echo "<BR><TABLE WIDTH=90% BORDER=0 CELLSPACING=0 CELLPADDING=2 ALIGN=CENTER><TR><TD BGCOLOR=\"$color[0]\">";
  34       echo "<B><CENTER>";
  35       echo _("Viewing a text attachment") . " - ";
  36       if ($where && $what) {
  37          // from a search
  38          echo "<a href=\"read_body.php?mailbox=".urlencode($mailbox)."&passed_id=$id&where=".urlencode($where)."&what=".urlencode($what)."\">". _("View message") . "</a>";
  39       } else {
  40          echo "<a href=\"read_body.php?mailbox=".urlencode($mailbox)."&passed_id=$id&startMessage=$startMessage&show_more=0\">". _("View message") . "</a>";
  41       }
  42       echo "</CENTER></B>";
  43       echo "</TD></TR><TR><TD BGCOLOR=\"$color[4]\">";
  44       $urlmailbox = urlencode($mailbox);
  45       echo "<CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$entid&mailbox=$urlmailbox\">";
  46       echo _("Download this as a file");
  47       echo "</A></CENTER><BR><BR><TT>";
  48       if ($type1 == "html")
  49          echo $body;
  50       else
  51          echo translateText($body, $wrap_at);
  52
  53       echo "</TT></TD></TR></TABLE>";
  54    }
  55
  56    $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
  57    sqimap_mailbox_select($imapConnection, $mailbox);
  58
  59    // $message contains all information about the message
  60    // including header and body
  61    $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
  62    $top_header = $message->header;
  63
  64    // lets redefine message as this particular entity that we wish to display.
  65    // it should hold only the header for this entity.  We need to fetch the body
  66    // yet before we can display anything.
  67    $message = getEntity($message, $passed_ent_id);
  68
  69    $header = $message->header;
  70    $body = mime_fetch_body($imapConnection, $passed_id, $passed_ent_id);
  71
  72    $type0 = $header->type0;
  73    $type1 = $header->type1;
  74    $filename = decodeHeader($header->filename);
  75
  76    if (strlen($filename) < 1) {
  77       if ($type1 == "plain" && $type0 == "text")                  $suffix = "txt";
  78       else if ($type1 == "richtext" && $type0 == "text")          $suffix = "rtf";
  79       else if ($type1 == "postscript" && $type0 == "application") $suffix = "ps";
  80       else if ($type1 == "message" && $type0 == "rfc822")         $suffix = "msg";
  81       else $suffix = $type1;
  82
  83       $filename = "untitled$passed_ent_id.$suffix";
  84    }
  85
  86    // Note:
  87    //    The following sections display the attachment in different
  88    //    ways depending on how they choose.  The first way will download
  89    //    under any circumstance.  This sets the Content-type to be
  90    //    applicatin/octet-stream, which should be interpreted by the
  91    //    browser as "download me".
  92    //      The second method (view) is used for images or other formats
  93    //    that should be able to be handled by the browser.  It will
  94    //    most likely display the attachment inline inside the browser.
  95    //      And finally, the third one will be used by default.  If it
  96    //    is displayable (text or html), it will load them up in a text
  97    //    viewer (built in to squirrelmail).  Otherwise, it sets the
  98    //    content-type as application/octet-stream
  99
 100    if ($absolute_dl == "true") {
 101       switch($type0) {
 102          case "text":
 103             $body = decodeBody($body, $header->encoding);
 104             header("Content-type: application/octet-stream; name=\"$filename\"");
 105             header("Content-Disposition: attachment; filename=\"$filename\"");
 106             if ($type1 == "plain") {
 107                echo _("Subject") . ": " . decodeHeader(stripslashes($top_header->subject)) . "\n";
 108                echo "   " . _("From") . ": " . decodeHeader(stripslashes($top_header->from)) . "\n";
 109                echo "     " . _("To") . ": " . decodeHeader(stripslashes(getLineOfAddrs($top_header->to))) . "\n";
 110                echo "   " . _("Date") . ": " . getLongDateString($top_header->date) . "\n\n";
 111             }
 112             echo trim($body);
 113             break;
 114          default:
 115             $body = decodeBody($body, $header->encoding);
 116             header("Content-type: application/octet-stream; name=\"$filename\"");
 117             header("Content-Disposition: attachment; filename=\"$filename\"");
 118             echo $body;
 119             break;
 120       }
 121    } else {
 122       switch ($type0) {
 123          case "text":
 124             $body = decodeBody($body, $header->encoding);
 125             viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
 126             break;
 127          case "message":
 128             $body = decodeBody($body, $header->encoding);
 129             viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
 130             break;
 131          default:
 132             $body = decodeBody($body, $header->encoding);
 133             header("Content-type: $type0/$type1; name=\"$filename\"");
 134             header("Content-Disposition: attachment; filename=\"$filename\"");
 135             echo $body;
 136             break;
 137       }
 138    }
 139
 140    sqimap_logout($imapConnection);
 141 ?>