newthread.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', 'newthread.php');

$templatelist = "newthread,previewpost,loginbox,changeuserbox,newthread_postpoll,posticons,codebuttons,smilieinsert,newthread_multiquote_external,post_attachments_attachment_unapproved";
$templatelist .= ",newthread_disablesmilies,newreply_modoptions,post_attachments_new,post_attachments,post_savedraftbutton,post_subscription_method,post_attachments_attachment_remove";
$templatelist .= ",forumdisplay_rules,forumdisplay_rules_link,post_attachments_attachment_postinsert,post_attachments_attachment,newthread_options_signature";
$templatelist .= ",member_register_regimage,member_register_regimage_recaptcha,post_captcha_hidden,post_captcha,post_captcha_recaptcha,postbit_groupimage,postbit_online,postbit_away,postbit_offline";
$templatelist .= ",postbit_avatar,postbit_find,postbit_pm,postbit_rep_button,postbit_www,postbit_email,postbit_reputation,postbit_warn,postbit_warninglevel,postbit_author_user,postbit_author_guest";
$templatelist .= ",postbit_signature,postbit_classic,postbit,postbit_attachments_thumbnails_thumbnail,postbit_attachments_images_image,postbit_attachments_attachment,postbit_attachments_attachment_unapproved";
$templatelist .= ",postbit_attachments_thumbnails,postbit_attachments_images,postbit_attachments,postbit_gotopost,smilieinsert_getmore";

require_once "./global.php";
require_once MYBB_ROOT."inc/functions_post.php";
require_once MYBB_ROOT."inc/functions_user.php";

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

$tid = $pid = "";
if($mybb->input['action'] == "editdraft" || ($mybb->input['savedraft'] && $mybb->input['tid']) || ($mybb->input['tid'] && $mybb->input['pid']))
{
    $thread = get_thread($mybb->input['tid']);

    $query = $db->simple_select("posts", "*", "tid='".intval($mybb->input['tid'])."' AND visible='-2'", array('order_by' => 'dateline', 'limit' => 1));
    $post = $db->fetch_array($query);

    if(!$thread['tid'] || !$post['pid'] || $thread['visible'] != -2 || $thread['uid'] != $mybb->user['uid'])
    {
        error($lang->invalidthread);
    }

    $pid = $post['pid'];
    $fid = $thread['fid'];
    $tid = $thread['tid'];
    $editdraftpid = "<input type=\"hidden\" name=\"pid\" value=\"$pid\" />";
}
else
{
    $fid = intval($mybb->input['fid']);
}

// Fetch forum information.
$forum = get_forum($fid);
if(!$forum)
{
    error($lang->error_invalidforum);
}

// Draw the navigation
build_forum_breadcrumb($fid);
add_breadcrumb($lang->nav_newthread);

$forumpermissions = forum_permissions($fid);

if($forum['open'] == 0 || $forum['type'] != "f" || $forum['linkto'] != "")
{
    error($lang->error_closedinvalidforum);
}

if($forumpermissions['canview'] == 0 || $forumpermissions['canpostthreads'] == 0 || $mybb->user['suspendposting'] == 1)
{
    error_no_permission();
}

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

// If MyCode is on for this forum and the MyCode editor is enabled in the Admin CP, draw the code buttons and smilie inserter.
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();
    }
}

// Does this forum allow post icons? If so, fetch the post icons.
if($forum['allowpicons'] != 0)
{
    $posticons = get_post_icons();
}

// If we have a currently logged in user then fetch the change user box.
if($mybb->user['uid'] != 0)
{
    eval("\$loginbox = \"".$templates->get("changeuserbox")."\";");
}

// Otherwise we have a guest, determine the "username" and get the login box.
else
{
    if(!$mybb->input['previewpost'] && $mybb->input['action'] != "do_newthread")
    {
        $username = '';
    }
    else
    {
        $username = htmlspecialchars_uni($mybb->input['username']);
    }
    eval("\$loginbox = \"".$templates->get("loginbox")."\";");
}

// If we're not performing a new thread insert and not editing a draft then we're posting a new thread.
if($mybb->input['action'] != "do_newthread" && $mybb->input['action'] != "editdraft")
{
    $mybb->input['action'] = "newthread";
}

// Previewing a post, overwrite the action to the new thread action.
if($mybb->input['previewpost'])
{
    $mybb->input['action'] = "newthread";
}

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

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

// Handle attachments if we've got any.
if(!$mybb->input['attachmentaid'] && ($mybb->input['newattachment'] || $mybb->input['updateattachment'] || ($mybb->input['action'] == "do_newthread" && $mybb->input['submit'] && $_FILES['attachment'])))
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    if($mybb->input['action'] == "editdraft" || ($mybb->input['tid'] && $mybb->input['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);
    }

    // Error with attachments - should use new inline errors?
    if($attachedfile['error'])
    {
        $errors[] = $attachedfile['error'];
        $mybb->input['action'] = "newthread";
    }

    // If we were dealing with an attachment but didn't click 'Post Thread', force the new thread page again.
    if(!$mybb->input['submit'])
    {
        //$editdraftpid = "<input type=\"hidden\" name=\"pid\" value=\"$pid\" />";
        $mybb->input['action'] = "newthread";
    }
}

// Are we removing an attachment from the thread?
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'])
    {
        $mybb->input['action'] = "newthread";
    }
}

$thread_errors = "";
$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);
    }
}

// Performing the posting of a new thread.
if($mybb->input['action'] == "do_newthread" && $mybb->request_method == "post")
{
    // Verify incoming POST request
    verify_post_check($mybb->input['my_post_key']);

    $plugins->run_hooks("newthread_do_newthread_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'] && !$pid)
    {
        $check_subject = utf8_handle_4byte_string($mybb->input['subject']);
        $check_message = utf8_handle_4byte_string($mybb->input['message']);
        $query = $db->simple_select("posts p", "p.pid", "$user_check AND p.fid='{$forum['fid']}' AND p.subject='".$db->escape_string($check_subject)."' AND p.message='".$db->escape_string($check_message)."' 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");
    $posthandler->action = "thread";

    // Set the thread data that came from the input to the $thread array.
    $new_thread = array(
        "fid" => $forum['fid'],
        "subject" => $mybb->input['subject'],
        "prefix" => $mybb->input['threadprefix'],
        "icon" => $mybb->input['icon'],
        "uid" => $uid,
        "username" => $username,
        "message" => $mybb->input['message'],
        "ipaddress" => get_ip(),
        "posthash" => $mybb->input['posthash']
    );
    if($pid != '')
    {
        $new_thread['pid'] = $pid;
    }

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

    // Is this thread already a draft and we're updating it?
    if(isset($thread['tid']) && $thread['visible'] == -2)
    {
        $new_thread['tid'] = $thread['tid'];
    }

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

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

    $posthandler->set_data($new_thread);

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

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

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

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

    // One or more errors returned, fetch error list and throw to newthread page
    if(count($post_errors) > 0)
    {
        $thread_errors = inline_error($post_errors);
        $mybb->input['action'] = "newthread";
    }
    // No errors were found, it is safe to insert the thread.
    else
    {
        $thread_info = $posthandler->insert_thread();
        $tid = $thread_info['tid'];
        $visible = $thread_info['visible'];

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

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

        // We were updating a draft thread, send them back to the draft listing.
        if($new_thread['savedraft'] == 1)
        {
            $lang->redirect_newthread = $lang->draft_saved;
            $url = "usercp.php?action=drafts";
        }

        // A poll was being posted with this thread, throw them to poll posting page.
        else if($mybb->input['postpoll'] && $forumpermissions['canpostpolls'])
        {
            $url = "polls.php?action=newpoll&tid=$tid&polloptions=".intval($mybb->input['numpolloptions']);
            $lang->redirect_newthread .= $lang->redirect_newthread_poll;
        }

        // This thread is stuck in the moderation queue, send them back to the forum.
        else if(!$visible)
        {
            // Moderated thread
            if($mybb->user['showredirect'] != 1)
            {
                // User must see moderation notice, regardless of redirect settings
                $mybb->user['showredirect'] = 1;
            }

            $lang->redirect_newthread .= $lang->redirect_newthread_moderation;
            $url = get_forum_link($fid);
        }

        // This is just a normal thread - send them to it.
        else
        {
            // Visible thread
            $lang->redirect_newthread .= $lang->redirect_newthread_thread;
            $url = get_thread_link($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");
            }
        }

        $plugins->run_hooks("newthread_do_newthread_end");

        // Hop to it! Send them to the next page.
        if(!$mybb->input['postpoll'])
        {
            $lang->redirect_newthread .= $lang->sprintf($lang->redirect_return_forum, get_forum_link($fid));
        }
        redirect($url, $lang->redirect_newthread);
    }
}

if($mybb->input['action'] == "newthread" || $mybb->input['action'] == "editdraft")
{

    $plugins->run_hooks("newthread_start");

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

        // 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";
            }

            if(intval($mybb->input['load_all_quotes']) == 1)
            {
                $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}
                    ORDER BY p.dateline
                ");
                while($quoted_post = $db->fetch_array($query))
                {
                    if($quoted_post['userusername'])
                    {
                        $quoted_post['username'] = $quoted_post['userusername'];
                    }
                    $quoted_post['message'] = preg_replace('#(^|\r|\n)/me ([^\r\n<]*)#i', "\\1* {$quoted_post['username']} \\2", $quoted_post['message']);
                    $quoted_post['message'] = preg_replace('#(^|\r|\n)/slap ([^\r\n<]*)#i', "\\1* {$quoted_post['username']} {$lang->slaps} \\2 {$lang->with_trout}", $quoted_post['message']);
                    $quoted_post['message'] = preg_replace("#\[attachment=([0-9]+?)\]#i", '', $quoted_post['message']);
                    $message .= "[quote='{$quoted_post['username']}' pid='{$quoted_post['pid']}' dateline='{$quoted_post['dateline']}']\n{$quoted_post['message']}\n[/quote]\n\n";
                }

                $quoted_ids = "all";
            }
            else
            {
                $query = $db->query("
                    SELECT COUNT(*) AS quotes
                    FROM ".TABLE_PREFIX."posts p
                    LEFT JOIN ".TABLE_PREFIX."threads t ON (t.tid=p.tid)
                    WHERE p.pid IN ($quoted_posts) {$unviewable_forums} {$visible_where}
                ");
                $external_quotes = $db->fetch_field($query, 'quotes');

                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("newthread_multiquote_external")."\";");
                }
            }
        }
    }

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

    // Check the various post options if we're
    // a -> previewing a post
    // b -> removing an attachment
    // c -> adding a new attachment
    // d -> have errors from posting

    if($mybb->input['previewpost'] || $mybb->input['attachmentaid'] || $mybb->input['newattachment'] || $mybb->input['updateattachment'] || $thread_errors)
    {
        $postoptions = $mybb->input['postoptions'];
        if($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)
        {
            $postoptionschecked['disablesmilies'] = " checked=\"checked\"";
        }
        if($mybb->input['postpoll'] == 1)
        {
            $postpollchecked = "checked=\"checked\"";
        }
        $numpolloptions = intval($mybb->input['numpolloptions']);
    }

    // Editing a draft thread
    else if($mybb->input['action'] == "editdraft" && $mybb->user['uid'])
    {
        $mybb->input['threadprefix'] = $thread['prefix'];
        $message = htmlspecialchars_uni($post['message']);
        $subject = htmlspecialchars_uni($post['subject']);
        if($post['includesig'] != 0)
        {
            $postoptionschecked['signature'] = " checked=\"checked\"";
        }
        if($post['smilieoff'] == 1)
        {
            $postoptionschecked['disablesmilies'] = " checked=\"checked\"";
        }
        $icon = $post['icon'];
        if($forum['allowpicons'] != 0)
        {
            $posticons = get_post_icons();
        }
        if($postoptions['subscriptionmethod'] == "none")
        {
            $postoptions_subscriptionmethod_none = "checked=\"checked\"";
        }
        else if($postoptions['subscriptionmethod'] == "instant")
        {
            $postoptions_subscriptionmethod_instant = "checked=\"checked\"";
        }
        else
        {
            $postoptions_subscriptionmethod_dont = "checked=\"checked\"";
        }
    }

    // Otherwise, this is our initial visit to this page.
    else
    {
        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\"";
        }
        $numpolloptions = "2";
    }

    // If we're preving a post then generate the preview.
    if($mybb->input['previewpost'])
    {
        // Set up posthandler.
        require_once MYBB_ROOT."inc/datahandlers/post.php";
        $posthandler = new PostDataHandler("insert");
        $posthandler->action = "thread";

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

        if($pid != '')
        {
            $new_thread['pid'] = $pid;
        }

        $posthandler->set_data($new_thread);

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

        $post_errors = array();
        // Fetch friendly error messages if this is an invalid post
        if(!$valid_thread || !$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)
        {
            $thread_errors = inline_error($post_errors);
        }
        else
        {
            if(!$mybb->input['username'])
            {
                $mybb->input['username'] = $lang->guest;
            }
            $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'])
            {
                $post['username'] = htmlspecialchars_uni($mybb->input['username']);
            }
            else
            {
                $post['userusername'] = $mybb->user['username'];
                $post['username'] = $mybb->user['username'];
            }
            $previewmessage = $mybb->input['message'];
            $post['message'] = $previewmessage;
            $post['subject'] = $mybb->input['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")."\";");
        }
        $message = htmlspecialchars_uni($mybb->input['message']);
        $subject = htmlspecialchars_uni($mybb->input['subject']);
    }

    // Removing an attachment or adding a new one, or showting thread errors.
    else if($mybb->input['attachmentaid'] || $mybb->input['newattachment'] || $mybb->input['updateattachment'] || $thread_errors)
    {
        $message = htmlspecialchars_uni($mybb->input['message']);
        $subject = htmlspecialchars_uni($mybb->input['subject']);
    }

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

    // Generate thread prefix selector
    if(!intval($mybb->input['threadprefix']))
    {
        $mybb->input['threadprefix'] = 0;
    }

    $prefixselect = build_prefix_select($forum['fid'], $mybb->input['threadprefix']);

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

    // Can we disable smilies or are they disabled already?
    if($forum['allowsmilies'] != 0)
    {
        eval("\$disablesmilies = \"".$templates->get("newthread_disablesmilies")."\";");
    }
    else
    {
        $disablesmilies = "<input type=\"hidden\" name=\"postoptions[disablesmilies]\" value=\"no\" />";
    }

    // Show the moderator options
    if(is_moderator($fid))
    {
        $modoptions = $mybb->input['modoptions'];
        if($modoptions['closethread'] == 1)
        {
            $closecheck = "checked=\"checked\"";
        }
        else
        {
            $closecheck = '';
        }
        if($modoptions['stickthread'] == 1)
        {
            $stickycheck = "checked=\"checked\"";
        }
        else
        {
            $stickycheck = '';
        }
        unset($modoptions);
        eval("\$modoptions = \"".$templates->get("newreply_modoptions")."\";");
        $bgcolor = "trow1";
        $bgcolor2 = "trow2";
    }
    else
    {
        $bgcolor = "trow2";
        $bgcolor2 = "trow1";
    }

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

    if($forumpermissions['canpostattachments'] != 0)
    { // Get a listing of the current attachments, if there are any
        $attachcount = 0;
        if($mybb->input['action'] == "editdraft" || ($mybb->input['tid'] && $mybb->input['pid']))
        {
            $attachwhere = "pid='$pid'";
        }
        else
        {
            $attachwhere = "posthash='".$db->escape_string($posthash)."'";
        }
        $query = $db->simple_select("attachments", "*", $attachwhere);
        $attachments = '';
        while($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")."\";");

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

        $bgcolor = alt_trow();
    }

    if($mybb->user['uid'])
    {
        eval("\$savedraftbutton = \"".$templates->get("post_savedraftbutton", 1, 0)."\";");
    }

    // Show captcha image for guests if enabled
    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 = $post_captcha->html;
            }
        }
        else if($correct && $post_captcha->type == 2)
        {
            $post_captcha->build_recaptcha();

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

    if($forumpermissions['canpostpolls'] != 0)
    {
        $lang->max_options = $lang->sprintf($lang->max_options, $mybb->settings['maxpolloptions']);
        eval("\$pollbox = \"".$templates->get("newthread_postpoll")."\";");
    }

    // 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("newthread_end");

    $forum['name'] = strip_tags($forum['name']);
    $lang->newthread_in = $lang->sprintf($lang->newthread_in, $forum['name']);

    $newthread_template = $templates->get("newthread");

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

    eval("\$newthread = \"".$newthread_template."\";");
    output_page($newthread);
}
?>