newreply.php

<?php
/**
 * MyBB 1.6
 * Copyright 2010 MyBB Group, All Rights Reserved
 *
 * Website: http://mybb.com
 * License: http://mybb.com/about/license
 *
 * $Id$
 */

define("IN_MYBB", 1);
define('THIS_SCRIPT', 'newreply.php');

$templatelist = "newreply,previewpost,loginbox,changeuserbox,posticons,newreply_threadreview,newreply_threadreview_post,forumdisplay_rules,forumdisplay_rules_link,newreply_multiquote_external";
$templatelist .= ",smilieinsert,smilieinsert_getmore,codebuttons,post_attachments_new,post_attachments,post_savedraftbutton,newreply_modoptions,newreply_threadreview_more,newreply_disablesmilies,postbit_online,postbit_find,postbit_pm";
$templatelist .= ",postbit_www,postbit_email,postbit_reputation,postbit_warninglevel,postbit_author_user,postbit_edit,postbit_quickdelete,postbit_inlinecheck,postbit_posturl,postbit_quote,postbit_multiquote,postbit_report,postbit_ignored,postbit,post_subscription_method";
$templatelist .= ",post_attachments_attachment_postinsert,post_attachments_attachment_remove,post_attachments_attachment_unapproved,post_attachments_attachment,postbit_attachments_attachment,postbit_attachments,newreply_options_signature";
$templatelist .= ",member_register_regimage,member_register_regimage_recaptcha,post_captcha_hidden,post_captcha,post_captcha_recaptcha,postbit_groupimage,postbit_away,postbit_offline,postbit_avatar";
$templatelist .= ",postbit_rep_button,postbit_warn,postbit_author_guest,postbit_signature,postbit_classic,postbit_attachments_thumbnails_thumbnailpostbit_attachments_images_image,postbit_attachments_attachment_unapproved";
$templatelist .= ",postbit_attachments_thumbnails,postbit_attachments_images,postbit_gotopost,forumdisplay_password_wrongpass,forumdisplay_password";

require_once "./global.php";
require_once MYBB_ROOT."inc/functions_post.php";
require_once MYBB_ROOT."inc/functions_user.php";
require_once MYBB_ROOT."inc/class_parser.php";
$parser = new postParser;

// Load global language phrases
$lang->load("newreply");

// Check to see if we are missing any indexes
$options = array('pid', 'tid', 'replyto', 'ajax', 'action', 'attachmentaid', 'newattachment', 'updateattachment', 'attachmentaid', 'subject', 'message', 'previewpost', 'processed', 'method', 'posthash', 'rem', 'quoted_ids', 'icon');
foreach($options as $option)
{
    if(!isset($mybb->input[$option]))
    {
        $mybb->input[$option] = '';
    }
}

// Get the pid and tid and replyto from the input.
$tid = intval($mybb->input['tid']);

$replyto = 0;
if($mybb->input['replyto'])
{
    $replyto = intval($mybb->input['replyto']);
}

// AJAX quick reply?
if($mybb->input['ajax'])
{
    unset($mybb->input['previewpost']);
}

// Edit a draft post.
$pid = 0;
$editdraftpid = '';
if(($mybb->input['action'] == "editdraft" || $mybb->input['action'] == "do_newreply") && $mybb->input['pid'])
{
    $options = array(
        "limit" => 1
    );
    $query = $db->simple_select("posts", "*", "pid='".intval($mybb->input['pid'])."'", $options);
    $post = $db->fetch_array($query);
    if(!$post['pid'])
    {
        error($lang->error_invalidpost);
    }
    else if($mybb->user['uid'] != $post['uid'])
    {
        error($lang->error_post_noperms);
    }
    $pid = $post['pid'];
    $tid = $post['tid'];
    $editdraftpid = "<input type=\"hidden\" name=\"pid\" value=\"$pid\" />";
}

// Set up $thread and $forum for later use.
$options = array(
    "limit" => 1
);
$query = $db->simple_select("threads", "*", "tid='".$tid."'");
if($db->num_rows($query) == 0)
{
    error($lang->error_invalidthread);
}

$thread = $db->fetch_array($query);
$fid = $thread['fid'];

// Get forum info
$forum = get_forum($fid);
if(!$forum)
{
    error($lang->error_invalidforum);
}

// Make navigation
build_forum_breadcrumb($fid);
$thread['subject'] = htmlspecialchars_uni($thread['subject']);
add_breadcrumb($thread['subject'], get_thread_link($thread['tid']));
add_breadcrumb($lang->nav_newreply);

$forumpermissions = forum_permissions($fid);

// See if everything is valid up to here.
if(isset($post) && (($post['visible'] == 0 && !is_moderator($fid)) || ($post['visible'] < 0 && $post['uid'] != $mybb->user['uid'])))
{
    error($lang->error_invalidpost);
}
if(($thread['visible'] == 0 && !is_moderator($fid)) || $thread['visible'] < 0)
{
    error($lang->error_invalidthread);
}
if($forum['open'] == 0 || $forum['type'] != "f")
{
    error($lang->error_closedinvalidforum);
}
if($forumpermissions['canview'] == 0 || $forumpermissions['canpostreplys'] == 0 || $mybb->user['suspendposting'] == 1)
{
    error_no_permission();
}

if(isset($forumpermissions['canonlyviewownthreads']) && $forumpermissions['canonlyviewownthreads'] == 1 && $thread['uid'] != $mybb->user['uid'])
{
    error_no_permission();
}

// Coming from quick reply? Set some defaults
if($mybb->input['method'] == "quickreply")
{
    if($mybb->user['subscriptionmethod'] == 1)
    {
        $mybb->input['postoptions']['subscriptionmethod'] = "none";
    }
    else if($mybb->user['subscriptionmethod'] == 2)
    {
        $mybb->input['postoptions']['subscriptionmethod'] = "instant";
    }
}

// Check if this forum is password protected and we have a valid password
check_forum_password($forum['fid']);

if($mybb->settings['bbcodeinserter'] != 0 && $forum['allowmycode'] != 0 && (!$mybb->user['uid'] || $mybb->user['showcodebuttons'] != 0))
{
    $codebuttons = build_mycode_inserter();
    if($forum['allowsmilies'] != 0)
    {
        $smilieinserter = build_clickable_smilies();
    }
}

// Display a login box or change user box?
if($mybb->user['uid'] != 0)
{
    eval("\$loginbox = \"".$templates->get("changeuserbox")."\";");
}
else
{
    if(!$mybb->input['previewpost'] && $mybb->input['action'] != "do_newreply")
    {
        $username = '';
    }
    else
    {
        $username = htmlspecialchars_uni($mybb->input['username']);
    }
    eval("\$loginbox = \"".$templates->get("loginbox")."\";");
}

// Check to see if the thread is closed, and if the user is a mod.
if(!is_moderator($fid, "caneditposts"))
{
    if($thread['closed'] == 1)
    {
        error($lang->redirect_threadclosed);
    }
}

// Is the currently logged in user a moderator of this forum?
if(is_moderator($fid))
{
    $ismod = true;
}
else
{
    $ismod = false;
}

// No weird actions allowed, show new reply form if no regular action.
if($mybb->input['action'] != "do_newreply" && $mybb->input['action'] != "editdraft")
{
    $mybb->input['action'] = "newreply";
}

// Even if we are previewing, still show the new reply form.
if($mybb->input['previewpost'])
{
    $mybb->input['action'] = "newreply";
}

// Setup a unique posthash for attachment management
if(!$mybb->input['posthash'] && !$pid)
{
    $mybb->input['posthash'] = md5($thread['tid'].$mybb->user['uid'].random_str());
}

if((empty($_POST) && empty($_FILES)) && $mybb->input['processed'] == '1')
{
    error($lang->error_cannot_upload_php_post);
}

$errors = array();
$maximageserror = $attacherror = '';
if(!$mybb->input['attachmentaid'] && ($mybb->input['newattachment'] || $mybb->input['updateattachment'] || ($mybb->input['action'] == "do_newreply" && $mybb->input['submit'] && $_FILES['attachment'])))
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    if($pid)
    {
        $attachwhere = "pid='{$pid}'";
    }
    else
    {
        $attachwhere = "posthash='".$db->escape_string($mybb->input['posthash'])."'";
    }
    $query = $db->simple_select("attachments", "COUNT(aid) as numattachs", $attachwhere);
    $attachcount = $db->fetch_field($query, "numattachs");

    // If there's an attachment, check it and upload it
    if($_FILES['attachment']['size'] > 0 && $forumpermissions['canpostattachments'] != 0 && ($mybb->settings['maxattachments'] == 0 || $attachcount < $mybb->settings['maxattachments']))
    {
        require_once MYBB_ROOT."inc/functions_upload.php";

        $update_attachment = false;
        if($mybb->input['updateattachment'])
        {
            $update_attachment = true;
        }
        $attachedfile = upload_attachment($_FILES['attachment'], $update_attachment);
    }

    if($attachedfile['error'])
    {
        $errors[] = $attachedfile['error'];
        $mybb->input['action'] = "newreply";
    }

    if(!$mybb->input['submit'])
    {
        $editdraftpid = "<input type=\"hidden\" name=\"pid\" value=\"$pid\" />";
        $mybb->input['action'] = "newreply";
    }
}

// Remove an attachment.
if($mybb->input['attachmentaid'] && $mybb->input['attachmentact'] == "remove")
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    require_once MYBB_ROOT."inc/functions_upload.php";
    remove_attachment($pid, $mybb->input['posthash'], $mybb->input['attachmentaid']);
    if(!$mybb->input['submit'])
    {
        $editdraftpid = "<input type=\"hidden\" name=\"pid\" value=\"$pid\" />";
        $mybb->input['action'] = "newreply";
    }
}

$reply_errors = $quoted_ids = '';
$hide_captcha = false;

// Check the maximum posts per day for this user
if($mybb->settings['maxposts'] > 0 && $mybb->usergroup['cancp'] != 1)
{
    $daycut = TIME_NOW-60*60*24;
    $query = $db->simple_select("posts", "COUNT(*) AS posts_today", "uid='{$mybb->user['uid']}' AND visible='1' AND dateline>{$daycut}");
    $post_count = $db->fetch_field($query, "posts_today");
    if($post_count >= $mybb->settings['maxposts'])
    {
        $lang->error_maxposts = $lang->sprintf($lang->error_maxposts, $mybb->settings['maxposts']);
        error($lang->error_maxposts);
    }
}

if($mybb->input['action'] == "do_newreply" && $mybb->request_method == "post")
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    $plugins->run_hooks("newreply_do_newreply_start");

    // If this isn't a logged in user, then we need to do some special validation.
    if($mybb->user['uid'] == 0)
    {
        $username = htmlspecialchars_uni($mybb->input['username']);

        // Check if username exists.
        if(username_exists($mybb->input['username']))
        {
            // If it does throw back "username is taken"
            error($lang->error_usernametaken);
        }
        // This username does not exist.
        else
        {
            // If they didn't specify a username then give them "Guest"
            if(!$mybb->input['username'])
            {
                $username = $lang->guest;
            }
            // Otherwise use the name they specified.
            else
            {
                $username = htmlspecialchars_uni($mybb->input['username']);
            }
            $uid = 0;
        }
    }
    // This user is logged in.
    else
    {
        $username = $mybb->user['username'];
        $uid = $mybb->user['uid'];
    }

    // Attempt to see if this post is a duplicate or not
    if($uid > 0)
    {
        $user_check = "p.uid='{$uid}'";
    }
    else
    {
        $user_check = "p.ipaddress='".$db->escape_string($session->ipaddress)."'";
    }
    if(!$mybb->input['savedraft'])
    {
        $query = $db->simple_select("posts p", "p.pid, p.visible", "{$user_check} AND p.tid='{$thread['tid']}' AND p.subject='".$db->escape_string($mybb->input['subject'])."' AND p.message='".$db->escape_string($mybb->input['message'])."' AND p.visible != '-2' AND p.dateline>".(TIME_NOW-600));
        $duplicate_check = $db->fetch_field($query, "pid");
        if($duplicate_check)
        {
            error($lang->error_post_already_submitted);
        }
    }

    // Set up posthandler.
    require_once MYBB_ROOT."inc/datahandlers/post.php";
    $posthandler = new PostDataHandler("insert");

    // Set the post data that came from the input to the $post array.
    $post = array(
        "tid" => $mybb->input['tid'],
        "replyto" => $mybb->input['replyto'],
        "fid" => $thread['fid'],
        "subject" => $mybb->input['subject'],
        "icon" => $mybb->input['icon'],
        "uid" => $uid,
        "username" => $username,
        "message" => $mybb->input['message'],
        "ipaddress" => get_ip(),
        "posthash" => $mybb->input['posthash']
    );

        if ($mybb->input['postoptions']['anonymous']  == 1)
    {
    $post = array(
        "tid" => $mybb->input['tid'],
        "replyto" => $mybb->input['replyto'],
        "fid" => $thread['fid'],
        "subject" => $mybb->input['subject'],
        "icon" => $mybb->input['icon'],
        "uid" => 2,
        "username" => 'Anonymous',
        "message" => $mybb->input['message'],
        "ipaddress" => get_ip(),
        "posthash" => $mybb->input['posthash']
    );
    }

    if($mybb->input['pid'])
    {
        $post['pid'] = $mybb->input['pid'];
    }

    // Are we saving a draft post?
    if($mybb->input['savedraft'] && $mybb->user['uid'])
    {
        $post['savedraft'] = 1;
    }
    else
    {
        $post['savedraft'] = 0;
    }

    // Set up the post options from the input.
    $post['options'] = array(
        "signature" => $mybb->input['postoptions']['signature'],
        "subscriptionmethod" => $mybb->input['postoptions']['subscriptionmethod'],
        "disablesmilies" => $mybb->input['postoptions']['disablesmilies']
    );

    // Apply moderation options if we have them
    $post['modoptions'] = $mybb->input['modoptions'];

    $posthandler->set_data($post);

    // Now let the post handler do all the hard work.
    $valid_post = $posthandler->validate_post();

    $post_errors = array();
    // Fetch friendly error messages if this is an invalid post
    if(!$valid_post)
    {
        $post_errors = $posthandler->get_friendly_errors();
    }

    // Mark thread as read
    require_once MYBB_ROOT."inc/functions_indicators.php";
    mark_thread_read($tid, $fid);

    // Check captcha image
    if($mybb->settings['captchaimage'] && !$mybb->user['uid'])
    {
        require_once MYBB_ROOT.'inc/class_captcha.php';
        $post_captcha = new captcha(false, "post_captcha");

        if($post_captcha->validate_captcha() == false)
        {
            // CAPTCHA validation failed
            foreach($post_captcha->get_errors() as $error)
            {
                $post_errors[] = $error;
            }
        }
        else
        {
            $hide_captcha = true;
        }

        if($mybb->input['ajax'])
        {
            if($post_captcha->type == 1)
            {
                $randomstr = random_str(5);
                $imagehash = md5(random_str(12));

                $imagearray = array(
                    "imagehash" => $imagehash,
                    "imagestring" => $randomstr,
                    "dateline" => TIME_NOW
                );

                $db->insert_query("captcha", $imagearray);

                header("Content-type: text/html; charset={$lang->settings['charset']}");
                echo "<captcha>$imagehash";

                if($hide_captcha)
                {
                    echo "|$randomstr";
                }

                echo "</captcha>";
            }
            else if($post_captcha->type == 2)
            {
                header("Content-type: text/html; charset={$lang->settings['charset']}");
                echo "<captcha>reload</captcha>";
            }
        }
    }

    // One or more errors returned, fetch error list and throw to newreply page
    if(count($post_errors) > 0)
    {
        $reply_errors = inline_error($post_errors);
        $mybb->input['action'] = "newreply";
    }
    else
    {
        $postinfo = $posthandler->insert_post();
        $pid = $postinfo['pid'];
        $visible = $postinfo['visible'];

        // Invalidate solved captcha
        if($mybb->settings['captchaimage'] && !$mybb->user['uid'])
        {
            $post_captcha->invalidate_captcha();
        }

        // Deciding the fate
        if($visible == -2)
        {
            // Draft post
            $lang->redirect_newreply = $lang->draft_saved;
            $url = "usercp.php?action=drafts";
        }
        elseif($visible == 1)
        {
            // Visible post
            $lang->redirect_newreply .= $lang->redirect_newreply_post;
            $url = get_post_link($pid, $tid)."#pid{$pid}";
        }
        else
        {
            // Moderated post
            if($mybb->user['showredirect'] != 1)
            {
                // User must see moderation notice, regardless of redirect settings
                $mybb->user['showredirect'] = 1;
            }

            $lang->redirect_newreply .= '<br />'.$lang->redirect_newreply_moderation;
            $url = get_thread_link($tid);
        }

        // Mark any quoted posts so they're no longer selected - attempts to maintain those which weren't selected
        if($mybb->input['quoted_ids'] && $mybb->cookies['multiquote'] && $mybb->settings['multiquote'] != 0)
        {
            // We quoted all posts - remove the entire cookie
            if($mybb->input['quoted_ids'] == "all")
            {
                my_unsetcookie("multiquote");
            }
            // Only quoted a few - attempt to remove them from the cookie
            else
            {
                $quoted_ids = explode("|", $mybb->input['quoted_ids']);
                $multiquote = explode("|", $mybb->cookies['multiquote']);
                if(is_array($multiquote) && is_array($quoted_ids))
                {
                    foreach($multiquote as $key => $quoteid)
                    {
                        // If this ID was quoted, remove it from the multiquote list
                        if(in_array($quoteid, $quoted_ids))
                        {
                            unset($multiquote[$key]);
                        }
                    }
                    // Still have an array - set the new cookie
                    if(is_array($multiquote))
                    {
                        $new_multiquote = implode(",", $multiquote);
                        my_setcookie("multiquote", $new_multiquote);
                    }
                    // Otherwise, unset it
                    else
                    {
                        my_unsetcookie("multiquote");
                    }
                }
            }
        }

        $plugins->run_hooks("newreply_do_newreply_end");

        // This was a post made via the ajax quick reply - we need to do some special things here
        if($mybb->input['ajax'])
        {
            // Visible post
            if($visible == 1)
            {
                // Set post counter
                if($ismod == true)
                {
                    $postcounter = $thread['replies'] + $thread['unapprovedposts'] + 1;
                }
                else
                {
                    $postcounter = $thread['replies'] + 1;
                }

                // Was there a new post since we hit the quick reply button?
                if($mybb->input['lastpid'])
                {
                    $query = $db->simple_select("posts", "pid", "tid = '{$tid}' AND pid != '{$pid}'", array("order_by" => "pid", "order_dir" => "desc"));
                    $new_post = $db->fetch_array($query);
                    if($new_post['pid'] != $mybb->input['lastpid'])
                    {
                        redirect(get_thread_link($tid, 0, "lastpost"));
                    }
                }

                // Lets see if this post is on the same page as the one we're viewing or not
                // if it isn't, redirect us
                if($perpage > 0 && (($postcounter) % $perpage) == 0)
                {
                    $post_page = ($postcounter) / $mybb->settings['postsperpage'];
                }
                else
                {
                    $post_page = intval(($postcounter) / $mybb->settings['postsperpage']) + 1;
                }

                if($mybb->input['from_page'] && $post_page > $mybb->input['from_page'])
                {
                    redirect(get_thread_link($tid, 0, "lastpost"));
                    exit;
                }

                // Return the post HTML and display it inline
                $query = $db->query("
                    SELECT u.*, u.username AS userusername, p.*, f.*, eu.username AS editusername
                    FROM ".TABLE_PREFIX."posts p
                    LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid)
                    LEFT JOIN ".TABLE_PREFIX."userfields f ON (f.ufid=u.uid)
                    LEFT JOIN ".TABLE_PREFIX."users eu ON (eu.uid=p.edituid)
                    WHERE p.pid='{$pid}'
                ");
                $post = $db->fetch_array($query);

                // Now lets fetch all of the attachments for this post
                $query = $db->simple_select("attachments", "*", "pid='{$pid}'");
                while($attachment = $db->fetch_array($query))
                {
                    $attachcache[$attachment['pid']][$attachment['aid']] = $attachment;
                }

                // Establish altbg - may seem like this is backwards, but build_postbit reverses it
                if(($postcounter - $mybb->settings['postsperpage']) % 2 != 0)
                {
                    $altbg = "trow1";
                }
                else
                {
                    $altbg = "trow2";
                }

                $charset = "UTF-8";
                if($lang->settings['charset'])
                {
                    $charset = $lang->settings['charset'];
                }

                require_once MYBB_ROOT."inc/functions_post.php";
                $pid = $post['pid'];
                $post = build_postbit($post);

                header("Content-type: text/plain; charset={$charset}");
                echo $post;

                // Build a new posthash incase the user wishes to quick reply again
                $new_posthash = md5($mybb->user['uid'].random_str());
                echo "<script type=\"text/javascript\">\n";
                echo "var hash = document.getElementById('posthash'); if(hash) { hash.value = '{$new_posthash}'; }\n";
                echo "if(typeof(inlineModeration) != 'undefined') { Event.observe($('inlinemod_{$pid}'), 'click', inlineModeration.checkItem); }\n";
                echo "</script>\n";
                exit;
            }
            // Post is in the moderation queue
            else
            {
                redirect(get_thread_link($tid, 0, "lastpost"), $lang->redirect_newreply_moderation);
                exit;
            }
        }
        else
        {
            $lang->redirect_newreply .= $lang->sprintf($lang->redirect_return_thread, get_forum_link($fid));
            redirect($url, $lang->redirect_newreply);
            exit;
        }
    }
}

// Show the newreply form.
if($mybb->input['action'] == "newreply" || $mybb->input['action'] == "editdraft")
{
    $plugins->run_hooks("newreply_start");

    $quote_ids = $multiquote_external = '';
    // If this isn't a preview and we're not editing a draft, then handle quoted posts
    if(!$mybb->input['previewpost'] && !$reply_errors && $mybb->input['action'] != "editdraft" && !$mybb->input['attachmentaid'] && !$mybb->input['newattachment'] && !$mybb->input['updateattachment'] && !$mybb->input['rem'])
    {
        $message = '';
        $quoted_posts = array();
        // Handle multiquote
        if(isset($mybb->cookies['multiquote']) && $mybb->settings['multiquote'] != 0)
        {
            $multiquoted = explode("|", $mybb->cookies['multiquote']);
            foreach($multiquoted as $post)
            {
                $quoted_posts[$post] = intval($post);
            }
        }
        // Handle incoming 'quote' button
        if($replyto)
        {
            $quoted_posts[$replyto] = $replyto;
        }

        // Quoting more than one post - fetch them
        if(count($quoted_posts) > 0)
        {
            $external_quotes = 0;
            $quoted_posts = implode(",", $quoted_posts);
            $unviewable_forums = get_unviewable_forums();
            if($unviewable_forums)
            {
                $unviewable_forums = "AND t.fid NOT IN ({$unviewable_forums})";
            }
            if(is_moderator($fid))
            {
                $visible_where = "AND p.visible != 2";
            }
            else
            {
                $visible_where = "AND p.visible > 0";
            }

            require_once MYBB_ROOT."inc/functions_posting.php";
            $query = $db->query("
                SELECT p.subject, p.message, p.pid, p.tid, p.username, p.dateline, u.username AS userusername
                FROM ".TABLE_PREFIX."posts p
                LEFT JOIN ".TABLE_PREFIX."threads t ON (t.tid=p.tid)
                LEFT JOIN ".TABLE_PREFIX."users u ON (u.uid=p.uid)
                WHERE p.pid IN ($quoted_posts) {$unviewable_forums} {$visible_where}
            ");
            $load_all = intval($mybb->input['load_all_quotes']);
            while($quoted_post = $db->fetch_array($query))
            {
                // Only show messages for the current thread
                if($quoted_post['tid'] == $tid || $load_all == 1)
                {
                    // If this post was the post for which a quote button was clicked, set the subject
                    if($pid == $quoted_post['pid'])
                    {
                        $subject = preg_replace('#RE:\s?#i', '', $quoted_post['subject']);
                        // Subject too long? Shorten it to avoid error message
                        if(my_strlen($subject) > 85)
                        {
                            $subject = my_substr($subject, 0, 82).'...';
                        }
                        $subject = "RE: ".$subject;
                    }
                    $message .= parse_quoted_message($quoted_post);
                    $quoted_ids[] = $quoted_post['pid'];
                }
                // Count the rest
                else
                {
                    ++$external_quotes;
                }
            }
            if($mybb->settings['maxquotedepth'] != '0')
            {
                $message = remove_message_quotes($message);
            }
            if($external_quotes > 0)
            {
                if($external_quotes == 1)
                {
                    $multiquote_text = $lang->multiquote_external_one;
                    $multiquote_deselect = $lang->multiquote_external_one_deselect;
                    $multiquote_quote = $lang->multiquote_external_one_quote;
                }
                else
                {
                    $multiquote_text = $lang->sprintf($lang->multiquote_external, $external_quotes);
                    $multiquote_deselect = $lang->multiquote_external_deselect;
                    $multiquote_quote = $lang->multiquote_external_quote;
                }
                eval("\$multiquote_external = \"".$templates->get("newreply_multiquote_external")."\";");
            }
            if(is_array($quoted_ids) && count($quoted_ids) > 0)
            {
                $quoted_ids = implode("|", $quoted_ids);
            }
        }
    }

    if($mybb->input['quoted_ids'])
    {
        $quoted_ids = htmlspecialchars_uni($mybb->input['quoted_ids']);
    }

    if($mybb->input['previewpost'])
    {
        $previewmessage = $mybb->input['message'];
    }
    if(!$message)
    {
        $message = $mybb->input['message'];
    }
    $message = htmlspecialchars_uni($message);

    // Set up the post options.
    if($mybb->input['previewpost'] || $reply_errors != '')
    {
        $postoptions = $mybb->input['postoptions'];
        $postoptions_subscriptionmethod_dont = $postoptions_subscriptionmethod_none = $postoptions_subscriptionmethod_instant = '';

        if($postoptions['signature'] == 1)
        {
            $postoptionschecked['signature'] = " checked=\"checked\"";
        }
        if($postoptions['subscriptionmethod'] == "none")
        {
            $postoptions_subscriptionmethod_none = "checked=\"checked\"";
        }
        else if($postoptions['subscriptionmethod'] == "instant")
        {
            $postoptions_subscriptionmethod_instant = "checked=\"checked\"";
        }
        else
        {
            $postoptions_subscriptionmethod_dont = "checked=\"checked\"";
        }
        if($postoptions['disablesmilies'] == 1)
        {
            $postoptionschecked['disablesmilies'] = " checked=\"checked\"";
        }
        $subject = $mybb->input['subject'];
    }
    elseif($mybb->input['action'] == "editdraft" && $mybb->user['uid'])
    {
        $postoptionschecked = array('signature' => '', 'disablesmilies' => '');
        $postoptions_subscriptionmethod_dont = $postoptions_subscriptionmethod_none = $postoptions_subscriptionmethod_instant = '';

        $message = htmlspecialchars_uni($post['message']);
        $subject = $post['subject'];
        if($post['includesig'] != 0)
        {
            $postoptionschecked['signature'] = " checked=\"checked\"";
        }
        if($post['smilieoff'] == 1)
        {
            $postoptionschecked['disablesmilies'] = " checked=\"checked\"";
        }
        if($postoptions['subscriptionmethod'] == "none")
        {
            $postoptions_subscriptionmethod_none = "checked=\"checked\"";
        }
        else if($postoptions['subscriptionmethod'] == "instant")
        {
            $postoptions_subscriptionmethod_instant = "checked=\"checked\"";
        }
        else
        {
            $postoptions_subscriptionmethod_dont = "checked=\"checked\"";
        }
        $mybb->input['icon'] = $post['icon'];
    }
    else
    {
        $postoptionschecked = array('signature' => '', 'disablesmilies' => '');
        $postoptions_subscriptionmethod_dont = $postoptions_subscriptionmethod_none = $postoptions_subscriptionmethod_instant = '';

        if($mybb->user['signature'] != '')
        {
            $postoptionschecked['signature'] = " checked=\"checked\"";
        }
        if($mybb->user['subscriptionmethod'] ==  1)
        {
            $postoptions_subscriptionmethod_none = "checked=\"checked\"";
        }
        else if($mybb->user['subscriptionmethod'] == 2)
        {
            $postoptions_subscriptionmethod_instant = "checked=\"checked\"";
        }
        else
        {
            $postoptions_subscriptionmethod_dont = "checked=\"checked\"";
        }
    }

    if($forum['allowpicons'] != 0)
    {
        $posticons = get_post_icons();
    }

    // No subject?
    if(!isset($subject))
    {
        if($mybb->input['subject'])
        {
            $subject = $mybb->input['subject'];
        }
        else
        {
            $subject = $thread['subject'];
        }
    }

    // Preview a post that was written.
    $preview = '';
    if($mybb->input['previewpost'])
    {
        // Set up posthandler.
        require_once MYBB_ROOT."inc/datahandlers/post.php";
        $posthandler = new PostDataHandler("insert");

        // Set the post data that came from the input to the $post array.
        $post = array(
            "tid" => $mybb->input['tid'],
            "replyto" => $mybb->input['replyto'],
            "fid" => $thread['fid'],
            "subject" => $mybb->input['subject'],
            "icon" => $mybb->input['icon'],
            "uid" => $uid,
            "username" => $username,
            "message" => $mybb->input['message'],
            "ipaddress" => get_ip(),
            "posthash" => $mybb->input['posthash']
        );

        if($mybb->input['pid'])
        {
            $post['pid'] = $mybb->input['pid'];
        }

        $posthandler->set_data($post);

        // Now let the post handler do all the hard work.
        $valid_post = $posthandler->verify_message();
        $valid_subject = $posthandler->verify_subject();

        $post_errors = array();
        // Fetch friendly error messages if this is an invalid post
        if(!$valid_post || !$valid_subject)
        {
            $post_errors = $posthandler->get_friendly_errors();
        }

        // One or more errors returned, fetch error list and throw to newreply page
        if(count($post_errors) > 0)
        {
            $reply_errors = inline_error($post_errors);
        }
        else
        {
            $quote_ids = htmlspecialchars_uni($mybb->input['quote_ids']);
            if(!$mybb->input['username'])
            {
                $mybb->input['username'] = $lang->guest;
            }
            $mybb->input['icon'] = intval($mybb->input['icon']);
            $query = $db->query("
                SELECT u.*, f.*
                FROM ".TABLE_PREFIX."users u
                LEFT JOIN ".TABLE_PREFIX."userfields f ON (f.ufid=u.uid)
                WHERE u.uid='".$mybb->user['uid']."'
            ");
            $post = $db->fetch_array($query);
            if(!$mybb->user['uid'] || !$post['username'])
            {
                $post['username'] = $mybb->input['username'];
            }
            else
            {
                $post['userusername'] = $mybb->user['username'];
                $post['username'] = $mybb->user['username'];
            }
            $post['message'] = $previewmessage;
            $post['subject'] = $subject;
            $post['icon'] = $mybb->input['icon'];
            $post['smilieoff'] = $postoptions['disablesmilies'];
            $post['dateline'] = TIME_NOW;
            $post['includesig'] = $mybb->input['postoptions']['signature'];
            if($post['includesig'] != 1)
            {
                $post['includesig'] = 0;
            }

            // Fetch attachments assigned to this post.
            if($mybb->input['pid'])
            {
                $attachwhere = "pid='".intval($mybb->input['pid'])."'";
            }
            else
            {
                $attachwhere = "posthash='".$db->escape_string($mybb->input['posthash'])."'";
            }

            $query = $db->simple_select("attachments", "*", $attachwhere);
            while($attachment = $db->fetch_array($query))
            {
                $attachcache[0][$attachment['aid']] = $attachment;
            }

            $postbit = build_postbit($post, 1);
            eval("\$preview = \"".$templates->get("previewpost")."\";");
        }
    }

    $subject = htmlspecialchars_uni($parser->parse_badwords($subject));

    if(!$pid && !$mybb->input['previewpost'])
    {
        $subject = $thread['subject'];
        // Subject too long? Shorten it to avoid error message
        if(my_strlen($subject) > 85)
        {
            $subject = my_substr($subject, 0, 82).'...';
        }
        $subject = "RE: ".$subject;
    }

    $posthash = htmlspecialchars_uni($mybb->input['posthash']);

    // Do we have attachment errors?
    if(count($errors) > 0)
    {
        $reply_errors = inline_error($errors);
    }

    // Get a listing of the current attachments.
    if($forumpermissions['canpostattachments'] != 0)
    {
        $attachcount = 0;
        if($pid)
        {
            $attachwhere = "pid='$pid'";
        }
        else
        {
            $attachwhere = "posthash='".$db->escape_string($posthash)."'";
        }
        $attachments = '';
        $query = $db->simple_select("attachments", "*", $attachwhere);
        while($attachment = $db->fetch_array($query))
        {
            $attachment['size'] = get_friendly_size($attachment['filesize']);
            $attachment['icon'] = get_attachment_icon(get_extension($attachment['filename']));
            $attachment['filename'] = htmlspecialchars_uni($attachment['filename']);

            if($mybb->settings['bbcodeinserter'] != 0 && $forum['allowmycode'] != 0 && (!$mybb->user['uid'] || $mybb->user['showcodebuttons'] != 0))
            {
                eval("\$postinsert = \"".$templates->get("post_attachments_attachment_postinsert")."\";");
            }

            eval("\$attach_rem_options = \"".$templates->get("post_attachments_attachment_remove")."\";");

            if($attachment['visible'] != 1)
            {
                eval("\$attachments .= \"".$templates->get("post_attachments_attachment_unapproved")."\";");
            }
            else
            {
                eval("\$attachments .= \"".$templates->get("post_attachments_attachment")."\";");
            }
            $attachcount++;
        }

        $noshowattach = '';
        $query = $db->simple_select("attachments", "SUM(filesize) AS ausage", "uid='".$mybb->user['uid']."'");
        $usage = $db->fetch_array($query);

        if($usage['ausage'] > ($mybb->usergroup['attachquota']*1024) && $mybb->usergroup['attachquota'] != 0)
        {
            $noshowattach = 1;
        }

        if($mybb->usergroup['attachquota'] == 0)
        {
            $friendlyquota = $lang->unlimited;
        }
        else
        {
            $friendlyquota = get_friendly_size($mybb->usergroup['attachquota']*1024);
        }

        $friendlyusage = get_friendly_size($usage['ausage']);
        $lang->attach_quota = $lang->sprintf($lang->attach_quota, $friendlyusage, $friendlyquota);

        if($mybb->settings['maxattachments'] == 0 || ($mybb->settings['maxattachments'] != 0 && $attachcount < $mybb->settings['maxattachments']) && !$noshowattach)
        {
            eval("\$newattach = \"".$templates->get("post_attachments_new")."\";");
        }

        eval("\$attachbox = \"".$templates->get("post_attachments")."\";");
    }

    // If the user is logged in, provide a save draft button.
    if($mybb->user['uid'])
    {
        eval("\$savedraftbutton = \"".$templates->get("post_savedraftbutton", 1, 0)."\";");
    }

    // Show captcha image for guests if enabled
    $captcha = '';
    if($mybb->settings['captchaimage'] && !$mybb->user['uid'])
    {
        $correct = false;
        require_once MYBB_ROOT.'inc/class_captcha.php';
        $post_captcha = new captcha(false, "post_captcha");

        if($mybb->input['previewpost'] || $hide_captcha == true && $post_captcha->type == 1)
        {
            // If previewing a post - check their current captcha input - if correct, hide the captcha input area
            // ... but only if it's a default one, reCAPTCHAs must be filled in every time due to draconian limits
            if($post_captcha->validate_captcha() == true)
            {
                $correct = true;

                // Generate a hidden list of items for our captcha
                $captcha = $post_captcha->build_hidden_captcha();
            }
        }

        if(!$correct)
        {
            if($post_captcha->type == 1)
            {
                $post_captcha->build_captcha();
            }
            elseif($post_captcha->type == 2)
            {
                $post_captcha->build_recaptcha();
            }

            if($post_captcha->html)
            {
                $captcha = $post_captcha->html;
            }
        }
        elseif($correct && $post_captcha->type == 2)
        {
            $post_captcha->build_recaptcha();

            if($post_captcha->html)
            {
                $captcha = $post_captcha->html;
            }
        }
    }

    if($mybb->settings['threadreview'] != 0)
    {
        if(!$mybb->settings['postsperpage'])
        {
            $mybb->settings['postperpage'] = 20;
        }

        if(is_moderator($fid))
        {
            $visibility = "(visible='1' OR visible='0')";
        }
        else
        {
            $visibility = "visible='1'";
        }
        $query = $db->simple_select("posts", "COUNT(pid) AS post_count", "tid='{$tid}' AND {$visibility}");
        $numposts = $db->fetch_field($query, "post_count");

        if($numposts > $mybb->settings['postsperpage'])
        {
            $numposts = $mybb->settings['postsperpage'];
            $lang->thread_review_more = $lang->sprintf($lang->thread_review_more, $mybb->settings['postsperpage'], get_thread_link($tid));
            eval("\$reviewmore = \"".$templates->get("newreply_threadreview_more")."\";");
        }

        $query = $db->simple_select("posts", "pid", "tid='{$tid}' AND {$visibility}", array("order_by" => "dateline", "order_dir" => "desc", "limit" => $mybb->settings['postsperpage']));
        while($post = $db->fetch_array($query))
        {
            $pidin[] = $post['pid'];
        }

        $pidin = implode(",", $pidin);

        // Fetch attachments
        $query = $db->simple_select("attachments", "*", "pid IN ($pidin)");
        while($attachment = $db->fetch_array($query))
        {
            $attachcache[$attachment['pid']][$attachment['aid']] = $attachment;
        }
        $query = $db->query("
            SELECT p.*, u.username AS userusername
            FROM ".TABLE_PREFIX."posts p
            LEFT JOIN ".TABLE_PREFIX."users u ON (p.uid=u.uid)
            WHERE pid IN ($pidin)
            ORDER BY dateline DESC
        ");
        $postsdone = 0;
        $altbg = "trow1";
        $reviewbits = '';
        while($post = $db->fetch_array($query))
        {
            if($post['userusername'])
            {
                $post['username'] = $post['userusername'];
            }
            $reviewpostdate = my_date($mybb->settings['dateformat'], $post['dateline']);
            $reviewposttime = my_date($mybb->settings['timeformat'], $post['dateline']);
            $parser_options = array(
                "allow_html" => $forum['allowhtml'],
                "allow_mycode" => $forum['allowmycode'],
                "allow_smilies" => $forum['allowsmilies'],
                "allow_imgcode" => $forum['allowimgcode'],
                "allow_videocode" => $forum['allowvideocode'],
                "me_username" => $post['username'],
                "filter_badwords" => 1
            );
            if($post['smilieoff'] == 1)
            {
                $parser_options['allow_smilies'] = 0;
            }

            if($post['visible'] != 1)
            {
                $altbg = "trow_shaded";
            }

            $post['message'] = $parser->parse_message($post['message'], $parser_options);
            get_post_attachments($post['pid'], $post);
            $reviewmessage = $post['message'];
            eval("\$reviewbits .= \"".$templates->get("newreply_threadreview_post")."\";");
            if($altbg == "trow1")
            {
                $altbg = "trow2";
            }
            else
            {
                $altbg = "trow1";
            }
        }
        eval("\$threadreview = \"".$templates->get("newreply_threadreview")."\";");
    }
    // Can we disable smilies or are they disabled already?
    if($forum['allowsmilies'] != 0)
    {
        eval("\$disablesmilies = \"".$templates->get("newreply_disablesmilies")."\";");
    }
    else
    {
        $disablesmilies = "<input type=\"hidden\" name=\"postoptions[disablesmilies]\" value=\"no\" />";
    }
    // Show the moderator options.
    if(is_moderator($fid))
    {
        if($mybb->input['processed'])
        {
            $closed = intval($mybb->input['modoptions']['closethread']);
            $stuck = intval($mybb->input['modoptions']['stickthread']);
        }
        else
        {
            $closed = $thread['closed'];
            $stuck = $thread['sticky'];
        }

        if($closed)
        {
            $closecheck = ' checked="checked"';
        }
        else
        {
            $closecheck = '';
        }

        if($stuck)
        {
            $stickycheck = ' checked="checked"';
        }
        else
        {
            $stickycheck = '';
        }

        eval("\$modoptions = \"".$templates->get("newreply_modoptions")."\";");
        $bgcolor = "trow1";
    }
    else
    {
        $bgcolor = "trow2";
    }

    // Fetch subscription select box
    eval("\$subscriptionmethod = \"".$templates->get("post_subscription_method")."\";");

    $lang->post_reply_to = $lang->sprintf($lang->post_reply_to, $thread['subject']);
    $lang->reply_to = $lang->sprintf($lang->reply_to, $thread['subject']);

    // Do we have any forum rules to show for this forum?
    $forumrules = '';
    if($forum['rulestype'] >= 2 && $forum['rules'])
    {
        if(!$forum['rulestitle'])
        {
            $forum['rulestitle'] = $lang->sprintf($lang->forum_rules, $forum['name']);
        }

        if(!$parser)
        {
            require_once MYBB_ROOT.'inc/class_parser.php';
            $parser = new postParser;
        }

        $rules_parser = array(
            "allow_html" => 1,
            "allow_mycode" => 1,
            "allow_smilies" => 1,
            "allow_imgcode" => 1
        );

        $forum['rules'] = $parser->parse_message($forum['rules'], $rules_parser);
        $foruminfo = $forum;

        if($forum['rulestype'] == 3)
        {
            eval("\$forumrules = \"".$templates->get("forumdisplay_rules")."\";");
        }
        else if($forum['rulestype'] == 2)
        {
            eval("\$forumrules = \"".$templates->get("forumdisplay_rules_link")."\";");
        }
    }

    $plugins->run_hooks("newreply_end");

    $forum['name'] = strip_tags($forum['name']);

    $newreply_template = $templates->get("newreply");

    // Hide signature option if no permission
    $option_signature = '';
    if($mybb->usergroup['canusesig'] && !$mybb->user['suspendsignature'])
    {
        $option_signature = $templates->get('newreply_options_signature');
    }
    eval("\$option_signature = \"".$option_signature."\";");

    eval("\$newreply = \"".$newreply_template."\";");
    output_page($newreply);
}
?>