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