adding file that can be used to display html mails in iframe

src/view_html.php

@@ -0,0 +1,107 @@
+<?php
+/**
+ * $Source$
+ * Displays html message parts
+ *
+ * File is used to display html message parts. Usually inside iframe.
+ * It should be called with passed_id, ent_id and mailbox options in 
+ * GET request. passed_ent_id and view_unsafe_images options are 
+ * optional. User must be authenticated ($key in cookie. $username and 
+ * $onetimepad in session).
+ * 
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
+ * This file is part of SquirrelMail webmail interface.
+ * 
+ * SquirrelMail is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * SquirrelMail is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with SquirrelMail; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * @version $Id$
+ * @package squirrelmail
+ * @todo Integrate it in formatBody() function after template stuff is 
+ *  in. original html display code has to be wrapped with iframe code. 
+ *  View Unsafe Images (target=iframe frame) and Download this as a file 
+ *  should be part of read_body page. Iframe code should be activated 
+ *  only for show_html_default=true
+ * @todo fix formating of read_body.php in order to get iframe width=100% 
+ *  working.
+ */
+
+/**
+ * Path for SquirrelMail required files.
+ * @ignore
+ */
+define('SM_PATH','../');
+
+/** SquirrelMail required files. */
+require_once(SM_PATH . 'include/validate.php');
+include_once(SM_PATH . 'functions/imap.php');
+
+/** Get globals */
+sqgetGlobalVar('key',        $key,          SQ_COOKIE);
+sqgetGlobalVar('username',   $username,     SQ_SESSION);
+sqgetGlobalVar('onetimepad', $onetimepad,   SQ_SESSION);
+sqgetGlobalVar('messages',   $messages,     SQ_SESSION);
+sqgetGlobalVar('mailbox',    $mailbox,      SQ_GET);
+sqgetGlobalVar('ent_id',     $ent_id,       SQ_GET);
+sqgetGlobalVar('passed_ent_id', $passed_ent_id, SQ_GET);
+if (sqgetGlobalVar('passed_id', $temp, SQ_GET)) {
+    $passed_id = (int) $temp;
+}
+
+global $view_unsafe_images;
+if (sqgetGlobalVar('view_unsafe_images', $temp, SQ_GET)) {
+    $view_unsafe_images = (bool) $temp;
+} else {
+    $view_unsafe_images = false;
+}
+
+// TODO: add required var checks here.
+
+$imap_stream = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
+$mbx_response = sqimap_mailbox_select($imap_stream, $mailbox);
+
+$message = &$messages[$mbx_response['UIDVALIDITY']][$passed_id];
+if (!is_object($message)) {
+    $message = sqimap_get_message($imap_stream, $passed_id, $mailbox);
+}
+$message_ent = &$message->getEntity($ent_id);
+if ($passed_ent_id) {
+    $message = &$message->getEntity($passed_ent_id);
+}
+$header   = $message_ent->header;
+$type0    = $header->type0;
+$type1    = $header->type1;
+$charset  = $header->getParameter('charset');
+$encoding = strtolower($header->encoding);
+
+$body = mime_fetch_body($imap_stream, $passed_id, $ent_id);
+$body = decodeBody($body, $encoding);
+
+/**
+ * TODO: check if xtra_code is needed.
+if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
+    function_exists($languages[$squirrelmail_language]['XTRA_CODE'].'_decode')) {
+    if (mb_detect_encoding($body) != 'ASCII') {
+        $body = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $body);
+    }
+}
+*/
+
+/** TODO: provide reduced version of MagicHTML() */
+$body = MagicHTML( $body, $passed_id, $message, $mailbox);
+
+/** TODO: charset might be part of html code. */
+header('Content-Type: text/html; charset=' . $charset);
+echo $body;
+?>