newreply.php

<?php
/**
 * MyBB 1.8
 * Copyright 2014 MyBB Group, All Rights Reserved
 *
 * Website: http://www.mybb.com
 * License: http://www.mybb.com/about/license
 *
 */

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

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/functions_upload.php";
require_once MYBB_ROOT."inc/class_parser.php";
$parser = new postParser;

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

// Get the pid and tid and replyto from the input.
$tid = $mybb->get_input('tid', MyBB::INPUT_INT);
$replyto = $mybb->get_input('replyto', MyBB::INPUT_INT);

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

// Edit a draft post.
$pid = 0;

$newreply['isdraft'] = false;
$mybb->input['action'] = $mybb->get_input('action');
if(($mybb->input['action'] == "editdraft" || $mybb->input['action'] == "do_newreply") && $mybb->get_input('pid', MyBB::INPUT_INT))
{
	$newreply['isdraft'] = true;
	$pid = $mybb->get_input('pid', MyBB::INPUT_INT);
	$post = get_post($pid);
	if(!$post)
	{
		error($lang->error_invalidpost);
	}
	else if($mybb->user['uid'] != $post['uid'])
	{
		error($lang->error_post_noperms);
	}
	$pid = (int)$post['pid'];
	$tid = (int)$post['tid'];
}

// Set up $thread and $forum for later use.
$thread = get_thread($tid);
if(!$thread)
{
	error($lang->error_invalidthread);
}
$fid = (int)$thread['fid'];

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

// Make navigation
build_forum_breadcrumb($fid);
$thread_subject = $thread['subject'];
$thread['subject'] = htmlspecialchars_uni($parser->parse_badwords($thread['subject']));
add_breadcrumb($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($fid, "canviewunapprove")) || ($post['visible'] < 0 && $post['uid'] != $mybb->user['uid'])))
{
	if($post['visible'] == 0 && !($mybb->settings['showownunapproved'] && $post['uid'] == $mybb->user['uid']))
	{
		error($lang->error_invalidpost);
	}
}
if(($thread['visible'] == 0 && !is_moderator($fid, "canviewunapprove")) || $thread['visible'] < 0)
{
	if($thread['visible'] == 0 && !($mybb->settings['showownunapproved'] && $thread['uid'] == $mybb->user['uid']))
	{
		error($lang->error_invalidthread);
	}
}
if($forum['open'] == 0 || $forum['type'] != "f")
{
	error($lang->error_closedinvalidforum);
}
if($forumpermissions['canview'] == 0 || $forumpermissions['canpostreplys'] == 0)
{
	error_no_permission();
}

if($mybb->user['suspendposting'] == 1)
{
	$suspendedpostingtype = $lang->error_suspendedposting_permanent;
	if($mybb->user['suspensiontime'])
	{
		$suspendedpostingtype = $lang->sprintf($lang->error_suspendedposting_temporal, my_date($mybb->settings['dateformat'], $mybb->user['suspensiontime']));
	}

	$lang->error_suspendedposting = $lang->sprintf($lang->error_suspendedposting, $suspendedpostingtype, my_date($mybb->settings['timeformat'], $mybb->user['suspensiontime']));

	error($lang->error_suspendedposting);
}

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

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

// Coming from quick reply and not a preview call? Set subscription method
if($mybb->get_input('method') == "quickreply" && !isset($mybb->input['previewpost']))
{
	$mybb->input['postoptions']['subscriptionmethod'] = get_subscription_method($mybb->get_input('tid', MyBB::INPUT_INT));
}

// 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("message", $forum['allowsmilies']);
	if($forum['allowsmilies'] != 0)
	{
		$smilieinserter = build_clickable_smilies();
	}
}

// Display a login box or change user box?
if($mybb->user['uid'] != 0)
{
	$loginbox = \MyBB\View\template('misc/changeuserbox.twig');
}
else
{
	$loginbox = \MyBB\View\template('misc/loginbox.twig');
}

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

// 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(!empty($mybb->input['previewpost']))
{
	$mybb->input['action'] = "newreply";
}

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

if((empty($_POST) && empty($_FILES)) && $mybb->get_input('processed', MyBB::INPUT_INT) == 1)
{
	error($lang->error_empty_post_input);
}

$errors = array();

if($mybb->settings['enableattachments'] == 1 && ($mybb->get_input('newattachment') || $mybb->get_input('updateattachment') || ((($mybb->input['action'] == "do_newreply" && $mybb->get_input('submit')) || ($mybb->input['action'] == "newreply" && isset($mybb->input['previewpost'])) || isset($mybb->input['savedraft'])) && !empty($_FILES['attachments']))))
{
	// Verify incoming POST request
	verify_post_check($mybb->get_input('my_post_key'));

	if($pid)
	{
		$attachwhere = "pid='{$pid}'";
	}
	else
	{
		$attachwhere = "posthash='".$db->escape_string($mybb->get_input('posthash'))."'";
	}

	$ret = add_attachments($pid, $forumpermissions, $attachwhere, "newreply");

	if($mybb->get_input('ajax', MyBB::INPUT_INT) == 1)
	{
		if(isset($ret['success']))
		{
			$attachment = [
				'aid'=>'{1}',
				'icon'=>'{2}',
				'filename'=>'{3}',
				'size'=>'{4}',
				'visible' => true,
				'showmodapproval' => false,
				'showinsert' => ($mybb->settings['bbcodeinserter'] != 0 && $forum['allowmycode'] != 0 && $mybb->user['showcodebuttons'] != 0)
			];
			$ret['template'] = \MyBB\View\template('misc/attachments_attachment.twig', [
				'attachment' => $attachment,
			]);

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

		header("Content-type: application/json; charset={$lang->settings['charset']}");
		echo json_encode($ret);
		exit();
	}

	if(!empty($ret['errors']))
	{
		$errors = $ret['errors'];
	}

	// If we were dealing with an attachment but didn't click 'Post Reply' or 'Save as Draft', force the new reply page again.
	if(!$mybb->get_input('submit') && !$mybb->get_input('savedraft'))
	{
		$newreply['isdraft'] = true;
		$mybb->input['action'] = "newreply";
	}
}

detect_attachmentact();

// Remove an attachment.
if($mybb->settings['enableattachments'] == 1 && $mybb->get_input('attachmentaid', MyBB::INPUT_INT) && $mybb->get_input('attachmentact') == "remove")
{
	// Verify incoming POST request
	verify_post_check($mybb->get_input('my_post_key'));

	remove_attachment($pid, $mybb->get_input('posthash'), $mybb->get_input('attachmentaid', MyBB::INPUT_INT));

	if(!$mybb->get_input('submit'))
	{
		$newreply['isdraft'] = true;
		$mybb->input['action'] = "newreply";
	}

	if($mybb->get_input('ajax', MyBB::INPUT_INT) == 1)
	{
		$query = $db->simple_select("attachments", "SUM(filesize) AS ausage", "uid='".$mybb->user['uid']."'");
		$usage = $db->fetch_array($query);

		header("Content-type: application/json; charset={$lang->settings['charset']}");
		echo json_encode(array("success" => true, "usage" => get_friendly_size($usage['ausage'])));
		exit();
	}
}

$reply_errors = '';
$newreply['quoted_ids'] = [];
$hide_captcha = false;

// Check the maximum posts per day for this user
if($mybb->usergroup['maxposts'] > 0)
{
	$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->usergroup['maxposts'])
	{
		$lang->error_maxposts = $lang->sprintf($lang->error_maxposts, $mybb->usergroup['maxposts']);
		error($lang->error_maxposts);
	}
}

if(!$mybb->settings['postsperpage'] || (int)$mybb->settings['postsperpage'] < 1)
{
	$mybb->settings['postsperpage'] = 20;
}

if($mybb->input['action'] == "do_newreply" && $mybb->request_method == "post")
{
	// Verify incoming POST request
	verify_post_check($mybb->get_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)
	{
		// If they didn't specify a username leave blank so $lang->guest can be used on output
		if(!$mybb->get_input('username'))
		{
			$username = '';
		}
		// Otherwise use the name they specified.
		else
		{
			$username = $mybb->get_input('username');
		}
		$uid = 0;


		if($mybb->settings['stopforumspam_on_newreply'])
		{
			require_once MYBB_ROOT.'/inc/class_stopforumspamchecker.php';

			$stop_forum_spam_checker = new StopForumSpamChecker(
				$plugins,
				$mybb->settings['stopforumspam_min_weighting_before_spam'],
				$mybb->settings['stopforumspam_check_usernames'],
				$mybb->settings['stopforumspam_check_emails'],
				$mybb->settings['stopforumspam_check_ips'],
				$mybb->settings['stopforumspam_log_blocks']
			);

			try
			{
				if($stop_forum_spam_checker->is_user_a_spammer($mybb->get_input('username'), '', get_ip()))
				{
					error($lang->sprintf($lang->error_stop_forum_spam_spammer,
						$stop_forum_spam_checker->getErrorText(array(
							'stopforumspam_check_usernames',
							'stopforumspam_check_ips'
						))));
				}
			}
			catch(Exception $e)
			{
				if($mybb->settings['stopforumspam_block_on_error'])
				{
					error($lang->error_stop_forum_spam_fetching);
				}
			}
		}
	}
	// 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_binary($session->packedip);
	}
	if(!$mybb->get_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($mybb->get_input('subject'))."' AND p.message='".$db->escape_string($mybb->get_input('message'))."' AND p.visible > -1 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->get_input('tid', MyBB::INPUT_INT),
		"replyto" => $mybb->get_input('replyto', MyBB::INPUT_INT),
		"fid" => $thread['fid'],
		"subject" => $mybb->get_input('subject'),
		"icon" => $mybb->get_input('icon', MyBB::INPUT_INT),
		"uid" => $uid,
		"username" => $username,
		"message" => $mybb->get_input('message'),
		"ipaddress" => $session->packedip,
		"posthash" => $mybb->get_input('posthash')
	);

	if(isset($mybb->input['pid']))
	{
		$post['pid'] = $mybb->get_input('pid', MyBB::INPUT_INT);
	}

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

	$postoptions = $mybb->get_input('postoptions', MyBB::INPUT_ARRAY);
	if(!isset($postoptions['signature']))
	{
		$postoptions['signature'] = 0;
	}
	if(!isset($postoptions['subscriptionmethod']))
	{
		$postoptions['subscriptionmethod'] = 0;
	}
	if(!isset($postoptions['disablesmilies']))
	{
		$postoptions['disablesmilies'] = 0;
	}

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

	// Apply moderation options if we have them
	$post['modoptions'] = $mybb->get_input('modoptions', MyBB::INPUT_ARRAY);

	$posthandler->set_data($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);

	$json_data = '';

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

		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->get_input('ajax', MyBB::INPUT_INT) && $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']}");
			$data = '';
			$data .= "<captcha>$imagehash";

			if($hide_captcha)
			{
				$data .= "|$randomstr";
			}

			$data .= "</captcha>";

			//header("Content-type: application/json; charset={$lang->settings['charset']}");
			$json_data = array("data" => $data);
		}
	}

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

		if(isset($postinfo['closed']))
		{
			$closed = $postinfo['closed'];
		}
		else
		{
			$closed = '';
		}

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

		$force_redirect = false;

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

			// User must see moderation notice, regardless of redirect settings
			$force_redirect = true;
		}

		// Mark any quoted posts so they're no longer selected - attempts to maintain those which weren't selected
		if(isset($mybb->input['quoted_ids']) && isset($mybb->cookies['multiquote']) && $mybb->settings['multiquote'] != 0)
		{
			// We quoted all posts - remove the entire cookie
			if($mybb->get_input('quoted_ids') == "all")
			{
				my_unsetcookie("multiquote");
			}
			// Only quoted a few - attempt to remove them from the cookie
			else
			{
				$newreply['quoted_ids'] = explode("|", $mybb->get_input('quoted_ids'));
				$multiquote = explode("|", $mybb->cookies['multiquote']);
				if(!empty($multiquote) && !empty($newreply['quoted_ids']))
				{
					foreach($multiquote as $key => $quoteid)
					{
						// If this ID was quoted, remove it from the multiquote list
						if(in_array($quoteid, $newreply['quoted_ids']))
						{
							unset($multiquote[$key]);
						}
					}
					// Still have an array - set the new cookie
					if(!empty($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($mybb->get_input('ajax', MyBB::INPUT_INT))
		{
			// Visible post
			if($visible == 1)
			{
				// Set post counter
				$postcounter = $thread['replies'] + 1;

				if(is_moderator($fid, "canviewunapprove"))
				{
					$postcounter += $thread['unapprovedposts'];
				}
				if(is_moderator($fid, "canviewdeleted"))
				{
					$postcounter += $thread['deletedposts'];
				}

				// Was there a new post since we hit the quick reply button?
				if($mybb->get_input('lastpid', MyBB::INPUT_INT))
				{
					$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'] != $mybb->get_input('lastpid', MyBB::INPUT_INT))
					{
						redirect(get_thread_link($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($mybb->settings['postsperpage'] > 0)
				{
					$post_page = ceil(($postcounter + 1) / $mybb->settings['postsperpage']);
				}
				else
				{
					$post_page = 1;
				}

				if($post_page > $mybb->get_input('from_page', MyBB::INPUT_INT))
				{
					redirect(get_thread_link($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);

				$data = '';
				$data .= $post;

				// Build a new posthash incase the user wishes to quick reply again
				$new_posthash = md5($mybb->user['uid'].random_str());
				$data .= "<script type=\"text/javascript\">\n";
				$data .= "var hash = document.getElementById('posthash'); if(hash) { hash.value = '{$new_posthash}'; }\n";
				$data .= "if(typeof(inlineModeration) != 'undefined') {
					$('#inlinemod_{$pid}').on(\"click\", function(e) {
						inlineModeration.checkItem();
					});
				}\n";

				if($closed == 1)
				{
					$data .= "$('#quick_reply_form .trow1').removeClass('trow1 trow2').addClass('trow_shaded');\n";
				}
				else
				{
					$data .= "$('#quick_reply_form .trow_shaded').removeClass('trow_shaded').addClass('trow1');\n";
				}

				$data .= "</script>\n";

				header("Content-type: application/json; charset={$lang->settings['charset']}");
				echo json_encode(array("data" => $data));

				exit;
			}
			// Post is in the moderation queue
			else
			{
				redirect(get_thread_link($tid, 0, "lastpost"), $lang->redirect_newreply_moderation, "", true);
				exit;
			}
		}
		else
		{
			$lang->redirect_newreply .= $lang->sprintf($lang->redirect_return_forum, get_forum_link($fid));
			redirect($url, $lang->redirect_newreply, "", $force_redirect);
			exit;
		}
	}
}

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

	$quote_ids = '';
	// If this isn't a preview and we're not editing a draft, then handle quoted posts
	if(empty($mybb->input['previewpost']) && !$reply_errors && $mybb->input['action'] != "editdraft" && !$mybb->get_input('attachmentaid', MyBB::INPUT_INT) && !$mybb->get_input('newattachment') && !$mybb->get_input('updateattachment'))
	{
		$newreply['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] = (int)$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);
			$quoted_ids = array();
			$unviewable_forums = get_unviewable_forums();
			$inactiveforums = get_inactive_forums();

			if($unviewable_forums)
			{
				$unviewable_forums = "AND t.fid NOT IN ({$unviewable_forums})";
			}

			if($inactiveforums)
			{
				$inactiveforums = "AND t.fid NOT IN ({$inactiveforums})";
			}

			// Check group permissions if we can't view threads not started by us
			$group_permissions = forum_permissions();
			$onlyusfids = array();
			$onlyusforums = '';
			foreach($group_permissions as $gpfid => $forum_permissions)
			{
				if(isset($forum_permissions['canonlyviewownthreads']) && $forum_permissions['canonlyviewownthreads'] == 1)
				{
					$onlyusfids[] = $gpfid;
				}
			}

			if(!empty($onlyusfids))
			{
				$onlyusforums = "AND ((t.fid IN(".implode(',', $onlyusfids).") AND t.uid='{$mybb->user['uid']}') OR t.fid NOT IN(".implode(',', $onlyusfids)."))";
			}

			if(is_moderator($fid, 'canviewunapprove') && is_moderator($fid, 'canviewdeleted'))
			{
				$visible_where = "AND p.visible IN (-1,0,1)";
			}
			else if(is_moderator($fid, 'canviewunapprove') && !is_moderator($fid, 'canviewdeleted'))
			{
				$visible_where = "AND p.visible IN (0,1)";
			}
			else if(!is_moderator($fid, 'canviewunapprove') && is_moderator($fid, 'canviewdeleted'))
			{
				$visible_where = "AND p.visible IN (-1,1)";
			}
			else
			{
				$visible_where = "AND p.visible=1";
			}

			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}) {$unviewable_forums} {$inactiveforums} {$onlyusforums} {$visible_where}
            ");
			$load_all = $mybb->get_input('load_all_quotes', MyBB::INPUT_INT);
			while($quoted_post = $db->fetch_array($query))
			{
				// Only show messages for the current thread
				if($quoted_post['tid'] == $tid || $load_all == 1)
				{
					// If this post was the post for which a quote button was clicked, set the subject
					if($replyto == $quoted_post['pid'])
					{
						$newreply['subject'] = $quoted_post['subject'];
					}
					$newreply['message'] .= parse_quoted_message($quoted_post);
					$newreply['quoted_ids'][] = $quoted_post['pid'];
				}
				else
				{
					// Count the rest
					++$external_quotes;
				}
			}

			if($mybb->settings['maxquotedepth'] != '0')
			{
				$newreply['message'] = remove_message_quotes($newreply['message']);
			}

			$newreply['multiquote'] = false;
			if($external_quotes > 0)
			{
				$newreply['multiquote'] = true;
				if($external_quotes == 1)
				{
					$newreply['multiquote_text'] = $lang->multiquote_external_one;
					$newreply['multiquote_deselect'] = $lang->multiquote_external_one_deselect;
					$newreply['multiquote_quote'] = $lang->multiquote_external_one_quote;
				}
				else
				{
					$newreply['multiquote_text'] = $lang->sprintf($lang->multiquote_external, $external_quotes);
					$newreply['multiquote_deselect'] = $lang->multiquote_external_deselect;
					$newreply['multiquote_quote'] = $lang->multiquote_external_quote;
				}
			}
		}
	}

	$newreply['quoted_ids'] = is_array($newreply['quoted_ids']) ? implode("|", $newreply['quoted_ids']) : '';

	if(isset($mybb->input['quoted_ids']))
	{
		$newreply['quoted_ids'] = $mybb->get_input('quoted_ids', MyBB::INPUT_INT);
	}

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

	if(empty($newreply['message']))
	{
		$newreply['message'] = $mybb->get_input('message');
	}

	$newreply['postoptions'] = array('signature' => false, 'disablesmilies' => false);

	// Set up the post options.
	if(!empty($mybb->input['previewpost']) || $reply_errors != '')
	{
		$postoptions = $mybb->get_input('postoptions', MyBB::INPUT_ARRAY);

		if(isset($postoptions['signature']) && $postoptions['signature'] == 1)
		{
			$newreply['postoptions']['signature'] = true;
		}

		if(isset($postoptions['disablesmilies']) && $postoptions['disablesmilies'] == 1)
		{
			$newreply['postoptions']['disablesmilies'] = true;
		}

		$newreply['subscriptionmethod'] = get_subscription_method($tid, $postoptions);
		$newreply['subject'] = $mybb->input['subject'];
	}
	else if($mybb->input['action'] == "editdraft" && $mybb->user['uid'])
	{
		$newreply['message'] = $post['message'];
		$newreply['subject'] = $post['subject'];

		if($post['includesig'] != 0)
		{
			$newreply['postoptions']['signature'] = true;
		}

		if($post['smilieoff'] == 1)
		{
			$newreply['postoptions']['disablesmilies'] = true;
		}

		$newreply['subscriptionmethod'] = get_subscription_method($tid); // Subscription method doesn't get saved in drafts
		$mybb->input['icon'] = $post['icon'];
	}
	else
	{
		if($mybb->user['signature'] != '')
		{
			$newreply['postoptions']['signature'] = true;
		}

		$newreply['subscriptionmethod'] = get_subscription_method($tid);
	}

	$posticons = '';

	if($mybb->settings['allowposticons'] == 1 && $forum['allowpicons'] != 0)
	{
		$posticons = get_post_icons();
	}

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

	// Preview a post that was written.
	$newreply['preview'] = false;
	$postbit = '';
	if(!empty($mybb->input['previewpost']))
	{
		// If this isn't a logged in user, then we need to do some special validation.
		if($mybb->user['uid'] == 0)
		{
			// If they didn't specify a username leave blank so $lang->guest can be used on output
			if(!$mybb->get_input('username'))
			{
				$username = '';
			}
			else
			{
				// Otherwise use the name they specified.
				$username = $mybb->get_input('username');
			}

			$uid = 0;
		}
		else
		{
			// This user is logged in.
			$username = $mybb->user['username'];
			$uid = $mybb->user['uid'];
		}

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

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

		if(isset($mybb->input['pid']))
		{
			$post['pid'] = $mybb->get_input('pid', MyBB::INPUT_INT);
		}

		$posthandler->set_data($post);

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

		// Guest post --> verify author
		if($post['uid'] == 0)
		{
			$valid_username = $posthandler->verify_author();
		}
		else
		{
			$valid_username = true;
		}

		$post_errors = array();
		// Fetch friendly error messages if this is an invalid post
		if(!$valid_post || !$valid_subject || !$valid_username)
		{
			$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
		{
			$newreply['preview'] = true;

			$quote_ids = htmlspecialchars_uni($mybb->get_input('quote_ids'));
			$mybb->input['icon'] = $mybb->get_input('icon', MyBB::INPUT_INT);

			$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);
			$post['username'] = $username;
			if($mybb->user['uid'])
			{
				$post['userusername'] = $mybb->user['username'];
			}

			$post['message'] = $previewmessage;
			$post['subject'] = $newreply['subject'];
			$post['icon'] = $mybb->get_input('icon', MyBB::INPUT_INT);

			$mybb->input['postoptions'] = $mybb->get_input('postoptions', MyBB::INPUT_ARRAY);
			if(isset($mybb->input['postoptions']['disablesmilies']))
			{
				$post['smilieoff'] = $mybb->input['postoptions']['disablesmilies'];
			}

			$post['dateline'] = TIME_NOW;
			if(isset($mybb->input['postoptions']['signature']))
			{
				$post['includesig'] = $mybb->input['postoptions']['signature'];
			}

			if(!isset($post['includesig']) || $post['includesig'] != 1)
			{
				$post['includesig'] = 0;
			}

			// Fetch attachments assigned to this post.
			if($mybb->get_input('pid', MyBB::INPUT_INT))
			{
				$attachwhere = "pid='".$mybb->get_input('pid', MyBB::INPUT_INT)."'";
			}
			else
			{
				$attachwhere = "posthash='".$db->escape_string($mybb->get_input('posthash'))."'";
			}

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

			$postbit = build_postbit($post, 1);
		}
	}

	$newreply['subject'] = $parser->parse_badwords($newreply['subject']);

	$newreply['posthash'] = $mybb->get_input('posthash');

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

	// Get a listing of the current attachments.
	$newreply['showattachments'] = false;
	if($mybb->settings['enableattachments'] != 0 && $forumpermissions['canpostattachments'] != 0)
	{
		$newreply['showattachments'] = true;
		$attachcount = 0;

		if($pid)
		{
			$attachwhere = "pid='$pid'";
		}
		else
		{
			$attachwhere = "posthash='".$db->escape_string($newreply['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']);

			$attachment['showinsert'] = false;
			if($mybb->settings['bbcodeinserter'] != 0 && $forum['allowmycode'] != 0 && (!$mybb->user['uid'] || $mybb->user['showcodebuttons'] != 0))
			{
				$attachment['showinsert'] = true;
			}

			$attachcount++;
			$attachments[] = $attachment;
		}

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

		$newreply['friendlyusage'] = get_friendly_size($usage['ausage']);

		$lang->attach_quota = $lang->sprintf($lang->attach_quota, $newreply['friendlyquota']);

		$newreply['showattachoptions'] = false;
		$newreply['showattachadd'] = false;

		if($usage['ausage'] !== NULL)
		{
			$lang->attach_usage = $lang->sprintf($lang->attach_usage, $newreply['friendlyusage']);
		}
		else
		{
			$lang->attach_usage = "";
		}

		if($mybb->settings['maxattachments'] == 0 || ($mybb->settings['maxattachments'] != 0 && $attachcount < $mybb->settings['maxattachments']) && !$noshowattach)
		{
			$newreply['showattachoptions'] = true;
			$newreply['showattachadd'] = true;
		}

		$newreply['showattachupdate'] = false;
		if(($mybb->usergroup['caneditattachments'] || $forumpermissions['caneditattachments']) && $attachcount > 0)
		{
			$newreply['showattachoptions'] = true;
			$newreply['showattachupdate'] = true;
		}
	}

	// 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");

		if((!empty($mybb->input['previewpost']) || $hide_captcha == true) && $post_captcha->type == 1)
		{
			// If previewing a post - check their current captcha input - if correct, hide the captcha input area
			// ... but only if it's a default one, reCAPTCHA and Are You a Human must be filled in every time due to draconian limits
			if($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 == captcha::DEFAULT_CAPTCHA)
			{
				$post_captcha->build_captcha();
			}
			elseif(in_array($post_captcha->type, array(captcha::NOCAPTCHA_RECAPTCHA, captcha::RECAPTCHA_INVISIBLE, captcha::RECAPTCHA_V3)))
			{
				$post_captcha->build_recaptcha();
			}
			elseif(in_array($post_captcha->type, array(captcha::HCAPTCHA, captcha::HCAPTCHA_INVISIBLE)))
			{
				$post_captcha->build_hcaptcha();
			}
			elseif($post_captcha->type == captcha::CFTURNSTILE)
			{
				$post_captcha->build_cfturnstile();
			}
		}
		else if($correct && (in_array($post_captcha->type, array(captcha::NOCAPTCHA_RECAPTCHA, captcha::RECAPTCHA_INVISIBLE, captcha::RECAPTCHA_V3))))
		{
			$post_captcha->build_recaptcha();
		}
		else if($correct && (in_array($post_captcha->type, array(captcha::HCAPTCHA, captcha::HCAPTCHA_INVISIBLE))))
		{
			$post_captcha->build_hcaptcha();
		}
		else if($correct && ($post_captcha->type == captcha::CFTURNSTILE))
		{
			$post_captcha->build_cfturnstile();
		}

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

	if($mybb->settings['threadreview'] != 0)
	{
		if(is_moderator($fid, "canviewunapprove") || $mybb->settings['showownunapproved'])
		{
			$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");

		$newreply['showmore'] = false;
		if($numposts > $mybb->settings['postsperpage'])
		{
			$newreply['showmore'] = true;
			$lang->thread_review_more = $lang->sprintf($lang->thread_review_more, $mybb->settings['postsperpage'], get_thread_link($tid));
		}

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

		if(!empty($pidin))
            {
            $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;
            }

            $posts = [];
            $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, pid DESC
            ");

            while($post = $db->fetch_array($query))
            {
                if($post['userusername'])
                {
                    $post['username'] = $post['userusername'];
                }

                $post['postdate'] = my_date('relative', $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($mybb->user['uid'] != 0 && $mybb->user['showimages'] != 1 || $mybb->settings['guestimages'] != 1 && $mybb->user['uid'] == 0)
                {
                    $parser_options['allow_imgcode'] = 0;
                }

                if($mybb->user['uid'] != 0 && $mybb->user['showvideos'] != 1 || $mybb->settings['guestvideos'] != 1 && $mybb->user['uid'] == 0)
                {
                    $parser_options['allow_videocode'] = 0;
                }

                $plugins->run_hooks("newreply_threadreview_post");

                $post['message'] = $parser->parse_message($post['message'], $parser_options);

                $posts[] = $post;
            }
        }
	}

	$newreply['showpostoptions'] = false;

	// Hide signature option if no permission
	$newreply['showsignature'] = false;
	if($mybb->usergroup['canusesig'] == 1 && !$mybb->user['suspendsignature'])
	{
		$newreply['showpostoptions'] = true;
		$newreply['showsignature'] = true;
	}

	// Can we disable smilies or are they disabled already?
	$newreply['showdisablesmilies'] = false;
	if($forum['allowsmilies'] != 0)
	{
		$newreply['showpostoptions'] = true;
		$newreply['showdisablesmilies'] = true;
	}

	$newreply['showmodoptions'] = false;
	$newreply['modoptions'] = array('closethread' => false, 'stickthread' => false);
	// Show the moderator options.
	if(is_moderator($fid))
	{
		if($mybb->get_input('processed', MyBB::INPUT_INT))
		{
			$modoptions = $mybb->get_input('modoptions', MyBB::INPUT_ARRAY);
			if(isset($modoptions['closethread']) && $modoptions['closethread'] == 1)
			{
				$newreply['modoptions']['closethread'] = true;
			}

			if(isset($modoptions['stickthread']) && $modoptions['stickthread'] == 1)
			{
				$newreply['modoptions']['stickthread'] = true;
			}
		}
		else
		{
			$newreply['modoptions']['closethread'] = $thread['closed'];
			$newreply['modoptions']['stickthread'] = $thread['sticky'];
		}

		$newreply['showcloseoption'] = false;
		if(is_moderator($thread['fid'], "canopenclosethreads"))
		{
			$newreply['showmodoptions'] = true;
			$newreply['showcloseoption'] = true;
		}

		$newreply['showstickoption'] = false;
		if(is_moderator($thread['fid'], "canstickunstickthreads"))
		{
			$newreply['showmodoptions'] = true;
			$newreply['showstickoption'] = true;
		}
	}

	// Do we have any forum rules to show for this forum?
	$newreply['showforumrules'] = false;
	if($forum['rulestype'] >= 2 && $forum['rules'])
	{
		$newreply['showforumrules'] = true;

		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);
	}

	$newreply['showmodnotice'] = false;
	if(!is_moderator($forum['fid'], "canapproveunapproveattachs"))
	{
		if($forumpermissions['modattachments'] == 1 && $forumpermissions['canpostattachments'] != 0)
		{
			$newreply['showmodnotice'] = true;
			$newreply['moderation_text'] = $lang->moderation_forum_attachments;
		}
	}

	if(!is_moderator($forum['fid'], "canapproveunapproveposts"))
	{
		if($forumpermissions['modposts'] == 1)
		{
			$newreply['showmodnotice'] = true;
			$newreply['moderation_text'] = $lang->moderation_forum_posts;
		}

		if($mybb->user['moderateposts'] == 1)
		{
			$newreply['showmodnotice'] = true;
			$newreply['moderation_text'] = $lang->moderation_user_posts;
		}
	}

	$php_max_upload_size = get_php_upload_limit();
	$php_max_file_uploads = (int)ini_get('max_file_uploads');
	$post_javascript = \MyBB\View\template('misc/post_javascript.twig', [
		'php_max_upload_size' => $php_max_upload_size,
		'php_max_file_uploads' => $php_max_file_uploads,
	]);

	$plugins->run_hooks("newreply_end");

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

	$newreply['replyto'] = $replyto;
	$newreply['pid'] = $pid;

	$newreply['showposticons'] = false;
	if(is_array($posticons))
	{
		$newreply['showposticons'] = true;
	}

	$newreply['emptyiconcheck'] = false;
	if(empty($mybb->input['icon']))
	{
		$newreply['emptyiconcheck'] = true;
	}

	output_page(\MyBB\View\template('newreply/newreply.twig', [
		'newreply' => $newreply,
		'reply_errors' => $reply_errors,
		'loginbox' => $loginbox,
		'forum' => $forum,
		'thread' => $thread,
		'smilieinserter' => $smilieinserter,
		'codebuttons' => $codebuttons,
		'postbit' => $postbit,
		'attachments' => $attachments,
		'posts' => $posts,
		'captcha' => $captcha,
		'posticons' => $posticons,
        'post_javascript' => $post_javascript,
	]));
}