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, $wrap_at) {
  30       displayPageHeader($color, "None");
  31
  32       echo "<BR><TABLE WIDTH=90% BORDER=0 CELLSPACING=0 CELLPADDING=2 ALIGN=CENTER><TR><TD BGCOLOR=\"$color[0]\">";
  33       echo "<B><CENTER>";
  34       echo _("Viewing a plain text attachment");
  35       echo "</CENTER></B>";
  36       echo "</TD></TR><TR><TD BGCOLOR=\"$color[4]\">";
  37       $urlmailbox = urlencode($mailbox);
  38       echo "<CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$entid&mailbox=$urlmailbox\">";
  39       echo _("Download this as a file");
  40       echo "</A></CENTER><BR><BR><TT>";
  41       if ($type1 == "html")
  42          echo $body;
  43       else
  44          echo translateText($body, $wrap_at);
  45
  46       echo "</TT></TD></TR></TABLE>";
  47    }
  48
  49    $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
  50    sqimap_mailbox_select($imapConnection, $mailbox);
  51
  52    // $message contains all information about the message
  53    // including header and body
  54    $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
  55
  56    // lets redefine message as this particular entity that we wish to display.
  57    // it should hold only the header for this entity.  We need to fetch the body
  58    // yet before we can display anything.
  59    $message = getEntity($message, $passed_ent_id);
  60
  61    $header = $message->header;
  62    $body = mime_fetch_body($imapConnection, $passed_id, $passed_ent_id);
  63
  64    $type0 = $header->type0;
  65    $type1 = $header->type1;
  66    $filename = $header->filename;
  67
  68    if (strlen($filename) < 1) {
  69       # set some standard suffixes to the filenames if the filename isn't known
  70
  71       if ($type1 == "plain" && $type0 == "text")                  $suffix = "txt";
  72       else if ($type1 == "richtext" && $type0 == "text")          $suffix = "rtf";
  73       else if ($type1 == "postscript" && $type0 == "application") $suffix = "ps";
  74       else if ($type1 == "message" && $type0 == "rfc822")         $suffix = "msg";
  75       else $suffix = $type1;
  76
  77       $filename = "untitled$passed_ent_id.$suffix";
  78    }
  79
  80    // Note:
  81    //    The following sections display the attachment in different
  82    //    ways depending on how they choose.  The first way will download
  83    //    under any circumstance.  This sets the Content-type to be
  84    //    applicatin/octet-stream, which should be interpreted by the
  85    //    browser as "download me".
  86    //      The second method (view) is used for images or other formats
  87    //    that should be able to be handled by the browser.  It will
  88    //    most likely display the attachment inline inside the browser.
  89    //      And finally, the third one will be used by default.  If it
  90    //    is displayable (text or html), it will load them up in a text
  91    //    viewer (built in to squirrelmail).  Otherwise, it sets the
  92    //    content-type as application/octet-stream
  93
  94    if ($absolute_dl == "true") {
  95       switch($type0) {
  96          case "text":
  97             $body = decodeBody($body, $header->encoding);
  98             header("Content-type: application/octet-stream; name=\"$filename\"");
  99             header("Content-Disposition: attachment; filename=\"$filename\"");
 100             if ($type1 == "plain") {
 101                echo _("Subject") . ": " . decodeHeader(stripslashes($header->subject)) . "\n";
 102                echo "   " . _("From") . ": " . decodeHeader(stripslashes($header->from)) . "\n";
 103                echo "     " . _("To") . ": " . decodeHeader(stripslashes(getLineOfAddrs($header->to))) . "\n";
 104                echo "   " . _("Date") . ": " . getLongDateString($header->date) . "\n\n";
 105             }
 106             echo trim($body);
 107             break;
 108          default:
 109             $body = decodeBody($body, $header->encoding);
 110             header("Content-type: application/octet-stream; name=\"$filename\"");
 111             header("Content-Disposition: attachment; filename=\"$filename\"");
 112             echo $body;
 113             break;
 114       }
 115    } else if ($view == "true") {
 116       $body = decodeBody ($body, $header->encoding);
 117       header("Content-type: $type0/$type1; name=\"$filename\"");
 118       header("Content-disposition: attachment; filename=\"$filename\"");
 119       if ($type0 == "text" && $type1 == "plain") {
 120          echo _("Subject") . ": " . decodeHeader(stripslashes($header->subject)) . "\n";
 121          echo "   " . _("From") . ": " . decodeHeader(stripslashes($header->from)) . "\n";
 122          echo "     " . _("To") . ": " . decodeHeader(stripslashes(getLineOfAddrs($header->to))) . "\n";
 123          echo "   " . _("Date") . ": " . getLongDateString($header->date) . "\n\n";
 124       }
 125       echo $body;
 126    } else {
 127       switch ($type0) {
 128          case "text":
 129             $body = decodeBody($body, $header->encoding);
 130             viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
 131             break;
 132          case "message":
 133             $body = decodeBody($body, $header->encoding);
 134             viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
 135             break;
 136          default:
 137             $body = decodeBody($body, $header->encoding);
 138             header("Content-type: applicatin/octet-stream; name=\"$filename\"");
 139             header("Content-Disposition: attachment; filename=\"$filename\"");
 140             echo $body;
 141             break;
 142       }
 143    }
 144
 145    sqimap_logout($imapConnection);
 146 ?>