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($imap_php))
  17       include("../functions/imap.php");
  18    if (!isset($mime_php))
  19       include("../functions/mime.php");
  20    if (!isset($date_php))
  21       include("../functions/date.php");
  22    if (!isset($i18n_php))
  23       include("../functions/i18n.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       global $startMessage;
  30
  31       displayPageHeader($color, "None");
  32
  33       echo "<BR><TABLE WIDTH=100% 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
  43       $urlmailbox = urlencode($mailbox);
  44       echo "</b></td><tr><tr><td><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$entid&mailbox=$urlmailbox\">";
  45       echo _("Download this as a file");
  46       echo "</A></CENTER><BR>";
  47       echo "</CENTER></B>";
  48       echo "</TD></TR></TABLE>";
  49
  50       echo "<TABLE WIDTH=98% BORDER=0 CELLSPACING=0 CELLPADDING=2 ALIGN=CENTER><TR><TD BGCOLOR=\"$color[0]\">";
  51       echo "<TR><TD BGCOLOR=\"$color[4]\"><TT>";
  52
  53       if ($type1 != "html")
  54          translateText($body, $wrap_at, $charset);
  55
  56       echo $body;
  57
  58       echo "</TT></TD></TR></TABLE>";
  59    }
  60
  61    $imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
  62    sqimap_mailbox_select($imapConnection, $mailbox);
  63
  64    // $message contains all information about the message
  65    // including header and body
  66    $message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
  67    $top_header = $message->header;
  68
  69    // lets redefine message as this particular entity that we wish to display.
  70    // it should hold only the header for this entity.  We need to fetch the body
  71    // yet before we can display anything.
  72    $message = getEntity($message, $passed_ent_id);
  73
  74    $header = $message->header;
  75    $body = mime_fetch_body($imapConnection, $passed_id, $passed_ent_id);
  76
  77    $charset = $header->charset;
  78    $type0 = $header->type0;
  79    $type1 = $header->type1;
  80    $filename = decodeHeader($header->filename);
  81
  82    if (strlen($filename) < 1) {
  83       if ($type1 == "plain" && $type0 == "text")                  $suffix = "txt";
  84       else if ($type1 == "richtext" && $type0 == "text")          $suffix = "rtf";
  85       else if ($type1 == "postscript" && $type0 == "application") $suffix = "ps";
  86       else if ($type1 == "message" && $type0 == "rfc822")         $suffix = "msg";
  87       else $suffix = $type1;
  88
  89       $filename = "untitled$passed_ent_id.$suffix";
  90    }
  91
  92    // Note:
  93    //    The following sections display the attachment in different
  94    //    ways depending on how they choose.  The first way will download
  95    //    under any circumstance.  This sets the Content-type to be
  96    //    applicatin/octet-stream, which should be interpreted by the
  97    //    browser as "download me".
  98    //      The second method (view) is used for images or other formats
  99    //    that should be able to be handled by the browser.  It will
 100    //    most likely display the attachment inline inside the browser.
 101    //      And finally, the third one will be used by default.  If it
 102    //    is displayable (text or html), it will load them up in a text
 103    //    viewer (built in to squirrelmail).  Otherwise, it sets the
 104    //    content-type as application/octet-stream
 105
 106    header("Pragma: ");
 107    header("Content-Description: SquirrelMail Attachment");
 108    header("Cache-Control: no-cache, must-revalidate");
 109    if ($absolute_dl == "true") {
 110       switch($type0) {
 111          case "text":
 112             $body = decodeBody($body, $header->encoding);
 113             header("Content-Disposition: attachment; filename=\"$filename\"");
 114             header("Content-type: application/octet-stream; name=\"$filename\"");
 115             set_up_language(getPref($data_dir, $username, "language"));
 116             if ($type1 == "plain") {
 117                echo _("Subject") . ": " . decodeHeader(sqStripSlashes($top_header->subject)) . "\n";
 118                echo "   " . _("From") . ": " . decodeHeader(sqStripSlashes($top_header->from)) . "\n";
 119                echo "     " . _("To") . ": " . decodeHeader(sqStripSlashes(getLineOfAddrs($top_header->to))) . "\n";
 120                echo "   " . _("Date") . ": " . getLongDateString($top_header->date) . "\n\n";
 121             }
 122             echo trim($body);
 123             break;
 124          default:
 125             $body = decodeBody($body, $header->encoding);
 126             header("Content-Disposition: attachment; filename=\"$filename\"");
 127             header("Content-type: application/octet-stream; name=\"$filename\"");
 128             echo $body;
 129             break;
 130       }
 131    } else {
 132       switch ($type0) {
 133          case "text":
 134             $body = decodeBody($body, $header->encoding);
 135             include("../functions/page_header.php");
 136             viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
 137             break;
 138          case "message":
 139             $body = decodeBody($body, $header->encoding);
 140             include("../functions/page_header.php");
 141             viewText($color, $body, $passed_id, $passed_ent_id, $mailbox, $type1, $wrap_at);
 142             break;
 143          default:
 144             $body = decodeBody($body, $header->encoding);
 145             header("Content-type: $type0/$type1; name=\"$filename\"");
 146             header("Content-Disposition: attachment; filename=\"$filename\"");
 147             echo $body;
 148             break;
 149       }
 150    }
 151
 152    sqimap_mailbox_close($imapConnection);
 153    sqimap_logout($imapConnection);
 154 ?>