session_begin();
$auth->acl($user->data);
// Grab only parameters needed here
$post_id	= request_var('p', 0);
$topic_id	= request_var('t', 0);
$forum_id	= request_var('f', 0);
$draft_id	= request_var('d', 0);
$lastclick	= request_var('lastclick', 0);
$submit		= (isset($_POST['post'])) ? true : false;
$preview	= (isset($_POST['preview'])) ? true : false;
$save		= (isset($_POST['save'])) ? true : false;
$load		= (isset($_POST['load'])) ? true : false;
$confirm	= $request->is_set_post('confirm');
$cancel		= (isset($_POST['cancel']) && !isset($_POST['save'])) ? true : false;
$refresh	= (isset($_POST['add_file']) || isset($_POST['delete_file']) || isset($_POST['cancel_unglobalise']) || $save || $load || $preview);
$mode		= request_var('mode', '');
// If the user is not allowed to delete the post, we try to soft delete it, so we overwrite the mode here.
if ($mode == 'delete' && (($confirm && !$request->is_set_post('delete_permanent')) || !$auth->acl_gets('f_delete', 'm_delete', $forum_id)))
{
	$mode = 'soft_delete';
}
$error = $post_data = array();
$current_time = time();
/**
* This event allows you to alter the above parameters, such as submit and mode
*
* Note: $refresh must be true to retain previously submitted form data.
*
* Note: The template class will not work properly until $user->setup() is
* called, and it has not been called yet. Extensions requiring template
* assignments should use an event that comes later in this file.
*
* @event core.modify_posting_parameters
* @var	int		post_id		ID of the post
* @var	int		topic_id	ID of the topic
* @var	int		forum_id	ID of the forum
* @var	int		draft_id	ID of the draft
* @var	int		lastclick	Timestamp of when the form was last loaded
* @var	bool	submit		Whether or not the form has been submitted
* @var	bool	preview		Whether or not the post is being previewed
* @var	bool	save		Whether or not a draft is being saved
* @var	bool	load		Whether or not a draft is being loaded
* @var	bool	delete		Whether or not the post is being deleted
* @var	bool	cancel		Whether or not to cancel the form (returns to
*							viewtopic or viewforum depending on if the user
*							is posting a new topic or editing a post)
* @var	bool	refresh		Whether or not to retain previously submitted data
* @var	string	mode		What action to take if the form has been submitted
*							post|reply|quote|edit|delete|bump|smilies|popup
* @var	array	error		Any error strings; a non-empty array aborts
*							form submission.
*							NOTE: Should be actual language strings, NOT
*							language keys.
* @since 3.1.0-a1
*/
$vars = array(
	'post_id',
	'topic_id',
	'forum_id',
	'draft_id',
	'lastclick',
	'submit',
	'preview',
	'save',
	'load',
	'delete',
	'cancel',
	'refresh',
	'mode',
	'error',
);
extract($phpbb_dispatcher->trigger_event('core.modify_posting_parameters', compact($vars)));
// Was cancel pressed? If so then redirect to the appropriate page
if ($cancel || ($current_time - $lastclick < 2 && $submit))
{
	$f = ($forum_id) ? 'f=' . $forum_id . '&' : '';
	$redirect = ($post_id) ? append_sid("{$phpbb_root_path}viewtopic.$phpEx", $f . 'p=' . $post_id) . '#p' . $post_id : (($topic_id) ? append_sid("{$phpbb_root_path}viewtopic.$phpEx", $f . 't=' . $topic_id) : (($forum_id) ? append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $forum_id) : append_sid("{$phpbb_root_path}index.$phpEx")));
	redirect($redirect);
}
if (in_array($mode, array('post', 'reply', 'quote', 'edit', 'delete')) && !$forum_id)
{
	trigger_error('NO_FORUM');
}
$phpbb_content_visibility = $phpbb_container->get('content.visibility');
// We need to know some basic information in all cases before we do anything.
switch ($mode)
{
	case 'post':
		$sql = 'SELECT *
			FROM ' . FORUMS_TABLE . "
			WHERE forum_id = $forum_id";
	break;
	case 'bump':
	case 'reply':
		if (!$topic_id)
		{
			trigger_error('NO_TOPIC');
		}
		// Force forum id
		$sql = 'SELECT forum_id
			FROM ' . TOPICS_TABLE . '
			WHERE topic_id = ' . $topic_id;
		$result = $db->sql_query($sql);
		$f_id = (int) $db->sql_fetchfield('forum_id');
		$db->sql_freeresult($result);
		$forum_id = (!$f_id) ? $forum_id : $f_id;
		$sql = 'SELECT f.*, t.*
			FROM ' . TOPICS_TABLE . ' t, ' . FORUMS_TABLE . " f
			WHERE t.topic_id = $topic_id
				AND f.forum_id = t.forum_id
				AND " . $phpbb_content_visibility->get_visibility_sql('topic', $forum_id, 't.');
	break;
	case 'quote':
	case 'edit':
	case 'delete':
	case 'soft_delete':
		if (!$post_id)
		{
			$user->setup('posting');
			trigger_error('NO_POST');
		}
		// Force forum id
		$sql = 'SELECT forum_id
			FROM ' . POSTS_TABLE . '
			WHERE post_id = ' . $post_id;
		$result = $db->sql_query($sql);
		$f_id = (int) $db->sql_fetchfield('forum_id');
		$db->sql_freeresult($result);
		$forum_id = (!$f_id) ? $forum_id : $f_id;
		$sql = 'SELECT f.*, t.*, p.*, u.username, u.username_clean, u.user_sig, u.user_sig_bbcode_uid, u.user_sig_bbcode_bitfield
			FROM ' . POSTS_TABLE . ' p, ' . TOPICS_TABLE . ' t, ' . FORUMS_TABLE . ' f, ' . USERS_TABLE . " u
			WHERE p.post_id = $post_id
				AND t.topic_id = p.topic_id
				AND u.user_id = p.poster_id
				AND f.forum_id = t.forum_id
				AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id, 'p.');
	break;
	case 'smilies':
		$sql = '';
		generate_smilies('window', $forum_id);
	break;
	case 'popup':
		if ($forum_id)
		{
			$sql = 'SELECT forum_style
				FROM ' . FORUMS_TABLE . '
				WHERE forum_id = ' . $forum_id;
		}
		else
		{
			upload_popup();
			return;
		}
	break;
	default:
		$sql = '';
	break;
}
if (!$sql)
{
	$user->setup('posting');
	trigger_error('NO_POST_MODE');
}
$result = $db->sql_query($sql);
$post_data = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if (!$post_data)
{
	if (!($mode == 'post' || $mode == 'bump' || $mode == 'reply'))
	{
		$user->setup('posting');
	}
	trigger_error(($mode == 'post' || $mode == 'bump' || $mode == 'reply') ? 'NO_TOPIC' : 'NO_POST');
}
// Not able to reply to unapproved posts/topics
// TODO: add more descriptive language key
if ($auth->acl_get('m_approve', $forum_id) && ((($mode == 'reply' || $mode == 'bump') && $post_data['topic_visibility'] != ITEM_APPROVED) || ($mode == 'quote' && $post_data['post_visibility'] != ITEM_APPROVED)))
{
	trigger_error(($mode == 'reply' || $mode == 'bump') ? 'TOPIC_UNAPPROVED' : 'POST_UNAPPROVED');
}
if ($mode == 'popup')
{
	upload_popup($post_data['forum_style']);
	return;
}
$user->setup(array('posting', 'mcp', 'viewtopic'), $post_data['forum_style']);
if ($config['enable_post_confirm'] && !$user->data['is_registered'])
{
	include($phpbb_root_path . 'includes/captcha/captcha_factory.' . $phpEx);
	$captcha = phpbb_captcha_factory::get_instance($config['captcha_plugin']);
	$captcha->init(CONFIRM_POST);
}
// Use post_row values in favor of submitted ones...
$forum_id	= (!empty($post_data['forum_id'])) ? (int) $post_data['forum_id'] : (int) $forum_id;
$topic_id	= (!empty($post_data['topic_id'])) ? (int) $post_data['topic_id'] : (int) $topic_id;
$post_id	= (!empty($post_data['post_id'])) ? (int) $post_data['post_id'] : (int) $post_id;
// Need to login to passworded forum first?
if ($post_data['forum_password'])
{
	login_forum_box(array(
		'forum_id'			=> $forum_id,
		'forum_name'		=> $post_data['forum_name'],
		'forum_password'	=> $post_data['forum_password'])
	);
}
// Check permissions
if ($user->data['is_bot'])
{
	redirect(append_sid("{$phpbb_root_path}index.$phpEx"));
}
// Is the user able to read within this forum?
if (!$auth->acl_get('f_read', $forum_id))
{
	if ($user->data['user_id'] != ANONYMOUS)
	{
		trigger_error('USER_CANNOT_READ');
	}
	$message = $user->lang['LOGIN_EXPLAIN_POST'];
	if ($request->is_ajax())
	{
		$json = new phpbb\json_response();
		$json->send(array(
			'title'		=> $user->lang['INFORMATION'],
			'message'	=> $message,
		));
	}
	login_box('', $message);
}
// Permission to do the action asked?
$is_authed = false;
switch ($mode)
{
	case 'post':
		if ($auth->acl_get('f_post', $forum_id))
		{
			$is_authed = true;
		}
	break;
	case 'bump':
		if ($auth->acl_get('f_bump', $forum_id))
		{
			$is_authed = true;
		}
	break;
	case 'quote':
		$post_data['post_edit_locked'] = 0;
	// no break;
	case 'reply':
		if ($auth->acl_get('f_reply', $forum_id))
		{
			$is_authed = true;
		}
	break;
	case 'edit':
		if ($user->data['is_registered'] && $auth->acl_gets('f_edit', 'm_edit', $forum_id))
		{
			$is_authed = true;
		}
	break;
	case 'delete':
		if ($user->data['is_registered'] && ($auth->acl_get('m_delete', $forum_id) || ($post_data['poster_id'] == $user->data['user_id'] && $auth->acl_get('f_delete', $forum_id))))
		{
			$is_authed = true;
		}
	break;
	case 'soft_delete':
		if ($user->data['is_registered'] && $phpbb_content_visibility->can_soft_delete($forum_id, $post_data['poster_id'], $post_data['post_edit_locked']))
		{
			$is_authed = true;
		}
		else
		{
			// Display the same error message for softdelete we use for delete
			$mode = 'delete';
		}
	break;
}
if (!$is_authed)
{
	$check_auth = ($mode == 'quote') ? 'reply' : $mode;
	if ($user->data['is_registered'])
	{
		trigger_error('USER_CANNOT_' . strtoupper($check_auth));
	}
	$message = $user->lang['LOGIN_EXPLAIN_' . strtoupper($mode)];
	if ($request->is_ajax())
	{
		$json = new phpbb\json_response();
		$json->send(array(
			'title'		=> $user->lang['INFORMATION'],
			'message'	=> $message,
		));
	}
	login_box('', $message);
}
// Is the user able to post within this forum?
if ($post_data['forum_type'] != FORUM_POST && in_array($mode, array('post', 'bump', 'quote', 'reply')))
{
	trigger_error('USER_CANNOT_FORUM_POST');
}
// Forum/Topic locked?
if (($post_data['forum_status'] == ITEM_LOCKED || (isset($post_data['topic_status']) && $post_data['topic_status'] == ITEM_LOCKED)) && !$auth->acl_get('m_edit', $forum_id))
{
	trigger_error(($post_data['forum_status'] == ITEM_LOCKED) ? 'FORUM_LOCKED' : 'TOPIC_LOCKED');
}
// Can we edit this post ... if we're a moderator with rights then always yes
// else it depends on editing times, lock status and if we're the correct user
if ($mode == 'edit' && !$auth->acl_get('m_edit', $forum_id))
{
	if ($user->data['user_id'] != $post_data['poster_id'])
	{
		trigger_error('USER_CANNOT_EDIT');
	}
	if (!($post_data['post_time'] > time() - ($config['edit_time'] * 60) || !$config['edit_time']))
	{
		trigger_error('CANNOT_EDIT_TIME');
	}
	if ($post_data['post_edit_locked'])
	{
		trigger_error('CANNOT_EDIT_POST_LOCKED');
	}
}
// Handle delete mode...
if ($mode == 'delete' || $mode == 'soft_delete')
{
	if ($mode == 'soft_delete' && $post_data['post_visibility'] == ITEM_DELETED)
	{
		$user->setup('posting');
		trigger_error('NO_POST');
	}
	$allow_reason = $auth->acl_get('m_softdelete', $forum_id) || ($auth->acl_gets('m_delete', 'f_delete', $forum_id) && $auth->acl_gets('m_softdelete', 'f_softdelete', $forum_id));
	$soft_delete_reason = ($mode == 'soft_delete' && $allow_reason) ? $request->variable('delete_reason', '', true) : '';
	handle_post_delete($forum_id, $topic_id, $post_id, $post_data, ($mode == 'soft_delete'), $soft_delete_reason);
	return;
}
// Handle bump mode...
if ($mode == 'bump')
{
	if ($bump_time = bump_topic_allowed($forum_id, $post_data['topic_bumped'], $post_data['topic_last_post_time'], $post_data['topic_poster'], $post_data['topic_last_poster_id'])
		&& check_link_hash(request_var('hash', ''), "topic_{$post_data['topic_id']}"))
	{
		$meta_url = phpbb_bump_topic($forum_id, $topic_id, $post_data, $current_time);
		meta_refresh(3, $meta_url);
		$message = $user->lang['TOPIC_BUMPED'];
		if (!$request->is_ajax())
		{
			$message .= '', ' ');
			$message .= '', ' ');
		}
		trigger_error($message);
	}
	trigger_error('BUMP_ERROR');
}
// Subject length limiting to 60 characters if first post...
if ($mode == 'post' || ($mode == 'edit' && $post_data['topic_first_post_id'] == $post_data['post_id']))
{
	$template->assign_var('S_NEW_MESSAGE', true);
}
// Determine some vars
if (isset($post_data['poster_id']) && $post_data['poster_id'] == ANONYMOUS)
{
	$post_data['quote_username'] = (!empty($post_data['post_username'])) ? $post_data['post_username'] : $user->lang['GUEST'];
}
else
{
	$post_data['quote_username'] = isset($post_data['username']) ? $post_data['username'] : '';
}
$post_data['post_edit_locked']	= (isset($post_data['post_edit_locked'])) ? (int) $post_data['post_edit_locked'] : 0;
$post_data['post_subject_md5']	= (isset($post_data['post_subject']) && $mode == 'edit') ? md5($post_data['post_subject']) : '';
$post_data['post_subject']		= (in_array($mode, array('quote', 'edit'))) ? $post_data['post_subject'] : ((isset($post_data['topic_title'])) ? $post_data['topic_title'] : '');
$post_data['topic_time_limit']	= (isset($post_data['topic_time_limit'])) ? (($post_data['topic_time_limit']) ? (int) $post_data['topic_time_limit'] / 86400 : (int) $post_data['topic_time_limit']) : 0;
$post_data['poll_length']		= (!empty($post_data['poll_length'])) ? (int) $post_data['poll_length'] / 86400 : 0;
$post_data['poll_start']		= (!empty($post_data['poll_start'])) ? (int) $post_data['poll_start'] : 0;
$post_data['icon_id']			= (!isset($post_data['icon_id']) || in_array($mode, array('quote', 'reply'))) ? 0 : (int) $post_data['icon_id'];
$post_data['poll_options']		= array();
// Get Poll Data
if ($post_data['poll_start'])
{
	$sql = 'SELECT poll_option_text
		FROM ' . POLL_OPTIONS_TABLE . "
		WHERE topic_id = $topic_id
		ORDER BY poll_option_id";
	$result = $db->sql_query($sql);
	while ($row = $db->sql_fetchrow($result))
	{
		$post_data['poll_options'][] = trim($row['poll_option_text']);
	}
	$db->sql_freeresult($result);
}
if ($mode == 'edit')
{
	$original_poll_data = array(
		'poll_title'		=> $post_data['poll_title'],
		'poll_length'		=> $post_data['poll_length'],
		'poll_max_options'	=> $post_data['poll_max_options'],
		'poll_option_text'	=> implode("\n", $post_data['poll_options']),
		'poll_start'		=> $post_data['poll_start'],
		'poll_last_vote'	=> $post_data['poll_last_vote'],
		'poll_vote_change'	=> $post_data['poll_vote_change'],
	);
}
$orig_poll_options_size = sizeof($post_data['poll_options']);
$message_parser = new parse_message();
$plupload = $phpbb_container->get('plupload');
$message_parser->set_plupload($plupload);
if (isset($post_data['post_text']))
{
	$message_parser->message = &$post_data['post_text'];
	unset($post_data['post_text']);
}
// Set some default variables
$uninit = array('post_attachment' => 0, 'poster_id' => $user->data['user_id'], 'enable_magic_url' => 0, 'topic_status' => 0, 'topic_type' => POST_NORMAL, 'post_subject' => '', 'topic_title' => '', 'post_time' => 0, 'post_edit_reason' => '', 'notify_set' => 0);
foreach ($uninit as $var_name => $default_value)
{
	if (!isset($post_data[$var_name]))
	{
		$post_data[$var_name] = $default_value;
	}
}
unset($uninit);
// Always check if the submitted attachment data is valid and belongs to the user.
// Further down (especially in submit_post()) we do not check this again.
$message_parser->get_submitted_attachment_data($post_data['poster_id']);
if ($post_data['post_attachment'] && !$submit && !$refresh && !$preview && $mode == 'edit')
{
	// Do not change to SELECT *
	$sql = 'SELECT attach_id, is_orphan, attach_comment, real_filename, filesize
		FROM ' . ATTACHMENTS_TABLE . "
		WHERE post_msg_id = $post_id
			AND in_message = 0
			AND is_orphan = 0
		ORDER BY filetime DESC";
	$result = $db->sql_query($sql);
	$message_parser->attachment_data = array_merge($message_parser->attachment_data, $db->sql_fetchrowset($result));
	$db->sql_freeresult($result);
}
if ($post_data['poster_id'] == ANONYMOUS)
{
	$post_data['username'] = ($mode == 'quote' || $mode == 'edit') ? trim($post_data['post_username']) : '';
}
else
{
	$post_data['username'] = ($mode == 'quote' || $mode == 'edit') ? trim($post_data['username']) : '';
}
$post_data['enable_urls'] = $post_data['enable_magic_url'];
if ($mode != 'edit')
{
	$post_data['enable_sig']		= ($config['allow_sig'] && $user->optionget('attachsig')) ? true: false;
	$post_data['enable_smilies']	= ($config['allow_smilies'] && $user->optionget('smilies')) ? true : false;
	$post_data['enable_bbcode']		= ($config['allow_bbcode'] && $user->optionget('bbcode')) ? true : false;
	$post_data['enable_urls']		= true;
}
$post_data['enable_magic_url'] = $post_data['drafts'] = false;
// User own some drafts?
if ($user->data['is_registered'] && $auth->acl_get('u_savedrafts') && ($mode == 'reply' || $mode == 'post' || $mode == 'quote'))
{
	$sql = 'SELECT draft_id
		FROM ' . DRAFTS_TABLE . '
		WHERE user_id = ' . $user->data['user_id'] .
			(($forum_id) ? ' AND forum_id = ' . (int) $forum_id : '') .
			(($topic_id) ? ' AND topic_id = ' . (int) $topic_id : '') .
			(($draft_id) ? " AND draft_id <> $draft_id" : '');
	$result = $db->sql_query_limit($sql, 1);
	if ($db->sql_fetchrow($result))
	{
		$post_data['drafts'] = true;
	}
	$db->sql_freeresult($result);
}
$check_value = (($post_data['enable_bbcode']+1) << 8) + (($post_data['enable_smilies']+1) << 4) + (($post_data['enable_urls']+1) << 2) + (($post_data['enable_sig']+1) << 1);
// Check if user is watching this topic
if ($mode != 'post' && $config['allow_topic_notify'] && $user->data['is_registered'])
{
	$sql = 'SELECT topic_id
		FROM ' . TOPICS_WATCH_TABLE . '
		WHERE topic_id = ' . $topic_id . '
			AND user_id = ' . $user->data['user_id'];
	$result = $db->sql_query($sql);
	$post_data['notify_set'] = (int) $db->sql_fetchfield('topic_id');
	$db->sql_freeresult($result);
}
// Do we want to edit our post ?
if ($mode == 'edit' && $post_data['bbcode_uid'])
{
	$message_parser->bbcode_uid = $post_data['bbcode_uid'];
}
// HTML, BBCode, Smilies, Images and Flash status
$bbcode_status	= ($config['allow_bbcode'] && $auth->acl_get('f_bbcode', $forum_id)) ? true : false;
$smilies_status	= ($config['allow_smilies'] && $auth->acl_get('f_smilies', $forum_id)) ? true : false;
$img_status		= ($bbcode_status && $auth->acl_get('f_img', $forum_id)) ? true : false;
$url_status		= ($config['allow_post_links']) ? true : false;
$flash_status	= ($bbcode_status && $auth->acl_get('f_flash', $forum_id) && $config['allow_post_flash']) ? true : false;
$quote_status	= true;
// Save Draft
if ($save && $user->data['is_registered'] && $auth->acl_get('u_savedrafts') && ($mode == 'reply' || $mode == 'post' || $mode == 'quote'))
{
	$subject = utf8_normalize_nfc(request_var('subject', '', true));
	$subject = (!$subject && $mode != 'post') ? $post_data['topic_title'] : $subject;
	$message = utf8_normalize_nfc(request_var('message', '', true));
	if ($subject && $message)
	{
		if (confirm_box(true))
		{
			$sql = 'INSERT INTO ' . DRAFTS_TABLE . ' ' . $db->sql_build_array('INSERT', array(
				'user_id'		=> (int) $user->data['user_id'],
				'topic_id'		=> (int) $topic_id,
				'forum_id'		=> (int) $forum_id,
				'save_time'		=> (int) $current_time,
				'draft_subject'	=> (string) $subject,
				'draft_message'	=> (string) $message)
			);
			$db->sql_query($sql);
			$meta_info = ($mode == 'post') ? append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $forum_id) : append_sid("{$phpbb_root_path}viewtopic.$phpEx", "f=$forum_id&t=$topic_id");
			meta_refresh(3, $meta_info);
			$message = $user->lang['DRAFT_SAVED'] . '', ' ') . '', ' ');
			trigger_error($message);
		}
		else
		{
			$s_hidden_fields = build_hidden_fields(array(
				'mode'		=> $mode,
				'save'		=> true,
				'f'			=> $forum_id,
				't'			=> $topic_id,
				'subject'	=> $subject,
				'message'	=> $message,
				'attachment_data' => $message_parser->attachment_data,
				)
			);
			$hidden_fields = array(
				'icon_id'			=> 0,
				'disable_bbcode'	=> false,
				'disable_smilies'	=> false,
				'disable_magic_url'	=> false,
				'attach_sig'		=> true,
				'lock_topic'		=> false,
				'topic_type'		=> POST_NORMAL,
				'topic_time_limit'	=> 0,
				'poll_title'		=> '',
				'poll_option_text'	=> '',
				'poll_max_options'	=> 1,
				'poll_length'		=> 0,
				'poll_vote_change'	=> false,
			);
			foreach ($hidden_fields as $name => $default)
			{
				if (!isset($_POST[$name]))
				{
					// Don't include it, if its not available
					unset($hidden_fields[$name]);
					continue;
				}
				if (is_bool($default))
				{
					// Use the string representation
					$hidden_fields[$name] = request_var($name, '');
				}
				else
				{
					$hidden_fields[$name] = request_var($name, $default);
				}
			}
			$s_hidden_fields .= build_hidden_fields($hidden_fields);
			confirm_box(false, 'SAVE_DRAFT', $s_hidden_fields);
		}
	}
	else
	{
		if (utf8_clean_string($subject) === '')
		{
			$error[] = $user->lang['EMPTY_SUBJECT'];
		}
		if (utf8_clean_string($message) === '')
		{
			$error[] = $user->lang['TOO_FEW_CHARS'];
		}
	}
	unset($subject, $message);
}
// Load requested Draft
if ($draft_id && ($mode == 'reply' || $mode == 'quote' || $mode == 'post') && $user->data['is_registered'] && $auth->acl_get('u_savedrafts'))
{
	$sql = 'SELECT draft_subject, draft_message
		FROM ' . DRAFTS_TABLE . "
		WHERE draft_id = $draft_id
			AND user_id = " . $user->data['user_id'];
	$result = $db->sql_query_limit($sql, 1);
	$row = $db->sql_fetchrow($result);
	$db->sql_freeresult($result);
	if ($row)
	{
		$post_data['post_subject'] = $row['draft_subject'];
		$message_parser->message = $row['draft_message'];
		$template->assign_var('S_DRAFT_LOADED', true);
	}
	else
	{
		$draft_id = 0;
	}
}
// Load draft overview
if ($load && ($mode == 'reply' || $mode == 'quote' || $mode == 'post') && $post_data['drafts'])
{
	load_drafts($topic_id, $forum_id);
}
if ($submit || $preview || $refresh)
{
	$post_data['topic_cur_post_id']	= request_var('topic_cur_post_id', 0);
	$post_data['post_subject']		= utf8_normalize_nfc(request_var('subject', '', true));
	$message_parser->message		= utf8_normalize_nfc(request_var('message', '', true));
	$post_data['username']			= utf8_normalize_nfc(request_var('username', $post_data['username'], true));
	$post_data['post_edit_reason']	= ($request->variable('edit_reason', false, false, \phpbb\request\request_interface::POST) && $mode == 'edit' && $auth->acl_get('m_edit', $forum_id)) ? utf8_normalize_nfc(request_var('edit_reason', '', true)) : '';
	$post_data['orig_topic_type']	= $post_data['topic_type'];
	$post_data['topic_type']		= request_var('topic_type', (($mode != 'post') ? (int) $post_data['topic_type'] : POST_NORMAL));
	$post_data['topic_time_limit']	= request_var('topic_time_limit', (($mode != 'post') ? (int) $post_data['topic_time_limit'] : 0));
	if ($post_data['enable_icons'] && $auth->acl_get('f_icons', $forum_id))
	{
		$post_data['icon_id'] = request_var('icon', (int) $post_data['icon_id']);
	}
	$post_data['enable_bbcode']		= (!$bbcode_status || isset($_POST['disable_bbcode'])) ? false : true;
	$post_data['enable_smilies']	= (!$smilies_status || isset($_POST['disable_smilies'])) ? false : true;
	$post_data['enable_urls']		= (isset($_POST['disable_magic_url'])) ? 0 : 1;
	$post_data['enable_sig']		= (!$config['allow_sig'] || !$auth->acl_get('f_sigs', $forum_id) || !$auth->acl_get('u_sig')) ? false : ((isset($_POST['attach_sig']) && $user->data['is_registered']) ? true : false);
	if ($config['allow_topic_notify'] && $user->data['is_registered'])
	{
		$notify = (isset($_POST['notify'])) ? true : false;
	}
	else
	{
		$notify = false;
	}
	$topic_lock			= (isset($_POST['lock_topic'])) ? true : false;
	$post_lock			= (isset($_POST['lock_post'])) ? true : false;
	$poll_delete		= (isset($_POST['poll_delete'])) ? true : false;
	if ($submit)
	{
		$status_switch = (($post_data['enable_bbcode']+1) << 8) + (($post_data['enable_smilies']+1) << 4) + (($post_data['enable_urls']+1) << 2) + (($post_data['enable_sig']+1) << 1);
		$status_switch = ($status_switch != $check_value);
	}
	else
	{
		$status_switch = 1;
	}
	// Delete Poll
	if ($poll_delete && $mode == 'edit' && sizeof($post_data['poll_options']) &&
		((!$post_data['poll_last_vote'] && $post_data['poster_id'] == $user->data['user_id'] && $auth->acl_get('f_delete', $forum_id)) || $auth->acl_get('m_delete', $forum_id)))
	{
		if ($submit && check_form_key('posting'))
		{
			$sql = 'DELETE FROM ' . POLL_OPTIONS_TABLE . "
				WHERE topic_id = $topic_id";
			$db->sql_query($sql);
			$sql = 'DELETE FROM ' . POLL_VOTES_TABLE . "
				WHERE topic_id = $topic_id";
			$db->sql_query($sql);
			$topic_sql = array(
				'poll_title'		=> '',
				'poll_start' 		=> 0,
				'poll_length'		=> 0,
				'poll_last_vote'	=> 0,
				'poll_max_options'	=> 0,
				'poll_vote_change'	=> 0
			);
			$sql = 'UPDATE ' . TOPICS_TABLE . '
				SET ' . $db->sql_build_array('UPDATE', $topic_sql) . "
				WHERE topic_id = $topic_id";
			$db->sql_query($sql);
		}
		$post_data['poll_title'] = $post_data['poll_option_text'] = '';
		$post_data['poll_vote_change'] = $post_data['poll_max_options'] = $post_data['poll_length'] = 0;
	}
	else
	{
		$post_data['poll_title']		= utf8_normalize_nfc(request_var('poll_title', '', true));
		$post_data['poll_length']		= request_var('poll_length', 0);
		$post_data['poll_option_text']	= utf8_normalize_nfc(request_var('poll_option_text', '', true));
		$post_data['poll_max_options']	= request_var('poll_max_options', 1);
		$post_data['poll_vote_change']	= ($auth->acl_get('f_votechg', $forum_id) && $auth->acl_get('f_vote', $forum_id) && isset($_POST['poll_vote_change'])) ? 1 : 0;
	}
	// If replying/quoting and last post id has changed
	// give user option to continue submit or return to post
	// notify and show user the post made between his request and the final submit
	if (($mode == 'reply' || $mode == 'quote') && $post_data['topic_cur_post_id'] && $post_data['topic_cur_post_id'] != $post_data['topic_last_post_id'])
	{
		// Only do so if it is allowed forum-wide
		if ($post_data['forum_flags'] & FORUM_FLAG_POST_REVIEW)
		{
			if (topic_review($topic_id, $forum_id, 'post_review', $post_data['topic_cur_post_id']))
			{
				$template->assign_var('S_POST_REVIEW', true);
			}
			$submit = false;
			$refresh = true;
		}
	}
	// Parse Attachments - before checksum is calculated
	$message_parser->parse_attachments('fileupload', $mode, $forum_id, $submit, $preview, $refresh);
	// Grab md5 'checksum' of new message
	$message_md5 = md5($message_parser->message);
	// If editing and checksum has changed we know the post was edited while we're editing
	// Notify and show user the changed post
	if ($mode == 'edit' && $post_data['forum_flags'] & FORUM_FLAG_POST_REVIEW)
	{
		$edit_post_message_checksum = request_var('edit_post_message_checksum', '');
		$edit_post_subject_checksum = request_var('edit_post_subject_checksum', '');
		// $post_data['post_checksum'] is the checksum of the post submitted in the meantime
		// $message_md5 is the checksum of the post we're about to submit
		// $edit_post_message_checksum is the checksum of the post we're editing
		// ...
		// We make sure nobody else made exactly the same change
		// we're about to submit by also checking $message_md5 != $post_data['post_checksum']
		if ($edit_post_message_checksum !== '' &&
			$edit_post_message_checksum != $post_data['post_checksum'] &&
			$message_md5 != $post_data['post_checksum']
			||
			$edit_post_subject_checksum !== '' &&
			$edit_post_subject_checksum != $post_data['post_subject_md5'] &&
			md5($post_data['post_subject']) != $post_data['post_subject_md5'])
		{
			if (topic_review($topic_id, $forum_id, 'post_review_edit', $post_id))
			{
				$template->assign_vars(array(
					'S_POST_REVIEW'			=> true,
					'L_POST_REVIEW'			=> $user->lang['POST_REVIEW_EDIT'],
					'L_POST_REVIEW_EXPLAIN'	=> $user->lang['POST_REVIEW_EDIT_EXPLAIN'],
				));
			}
			$submit = false;
			$refresh = true;
		}
	}
	// Check checksum ... don't re-parse message if the same
	$update_message = ($mode != 'edit' || $message_md5 != $post_data['post_checksum'] || $status_switch || strlen($post_data['bbcode_uid']) < BBCODE_UID_LEN) ? true : false;
	// Also check if subject got updated...
	$update_subject = $mode != 'edit' || ($post_data['post_subject_md5'] && $post_data['post_subject_md5'] != md5($post_data['post_subject']));
	// Parse message
	if ($update_message)
	{
		if (sizeof($message_parser->warn_msg))
		{
			$error[] = implode('', ' ');
				trigger_error($message);
			}
			redirect($redirect_url);
		}
	}
}
// Preview
if (!sizeof($error) && $preview)
{
	$post_data['post_time'] = ($mode == 'edit') ? $post_data['post_time'] : $current_time;
	$preview_message = $message_parser->format_display($post_data['enable_bbcode'], $post_data['enable_urls'], $post_data['enable_smilies'], false);
	$preview_signature = ($mode == 'edit') ? $post_data['user_sig'] : $user->data['user_sig'];
	$preview_signature_uid = ($mode == 'edit') ? $post_data['user_sig_bbcode_uid'] : $user->data['user_sig_bbcode_uid'];
	$preview_signature_bitfield = ($mode == 'edit') ? $post_data['user_sig_bbcode_bitfield'] : $user->data['user_sig_bbcode_bitfield'];
	// Signature
	if ($post_data['enable_sig'] && $config['allow_sig'] && $preview_signature && $auth->acl_get('f_sigs', $forum_id))
	{
		$parse_sig = new parse_message($preview_signature);
		$parse_sig->bbcode_uid = $preview_signature_uid;
		$parse_sig->bbcode_bitfield = $preview_signature_bitfield;
		// Not sure about parameters for bbcode/smilies/urls... in signatures
		$parse_sig->format_display($config['allow_sig_bbcode'], $config['allow_sig_links'], $config['allow_sig_smilies']);
		$preview_signature = $parse_sig->message;
		unset($parse_sig);
	}
	else
	{
		$preview_signature = '';
	}
	$preview_subject = censor_text($post_data['post_subject']);
	// Poll Preview
	if (!$poll_delete && ($mode == 'post' || ($mode == 'edit' && $post_id == $post_data['topic_first_post_id']/* && (!$post_data['poll_last_vote'] || $auth->acl_get('m_edit', $forum_id))*/))
	&& $auth->acl_get('f_poll', $forum_id))
	{
		$parse_poll = new parse_message($post_data['poll_title']);
		$parse_poll->bbcode_uid = $message_parser->bbcode_uid;
		$parse_poll->bbcode_bitfield = $message_parser->bbcode_bitfield;
		$parse_poll->format_display($post_data['enable_bbcode'], $post_data['enable_urls'], $post_data['enable_smilies']);
		if ($post_data['poll_length'])
		{
			$poll_end = ($post_data['poll_length'] * 86400) + (($post_data['poll_start']) ? $post_data['poll_start'] : time());
		}
		$template->assign_vars(array(
			'S_HAS_POLL_OPTIONS'	=> (sizeof($post_data['poll_options'])),
			'S_IS_MULTI_CHOICE'		=> ($post_data['poll_max_options'] > 1) ? true : false,
			'POLL_QUESTION'		=> $parse_poll->message,
			'L_POLL_LENGTH'		=> ($post_data['poll_length']) ? sprintf($user->lang['POLL_RUN_TILL'], $user->format_date($poll_end)) : '',
			'L_MAX_VOTES'		=> $user->lang('MAX_OPTIONS_SELECT', (int) $post_data['poll_max_options']),
		));
		$parse_poll->message = implode("\n", $post_data['poll_options']);
		$parse_poll->format_display($post_data['enable_bbcode'], $post_data['enable_urls'], $post_data['enable_smilies']);
		$preview_poll_options = explode('', ' ') : sprintf($user->lang['BBCODE_IS_OFF'], '', ' '),
	'IMG_STATUS'			=> ($img_status) ? $user->lang['IMAGES_ARE_ON'] : $user->lang['IMAGES_ARE_OFF'],
	'FLASH_STATUS'			=> ($flash_status) ? $user->lang['FLASH_IS_ON'] : $user->lang['FLASH_IS_OFF'],
	'SMILIES_STATUS'		=> ($smilies_status) ? $user->lang['SMILIES_ARE_ON'] : $user->lang['SMILIES_ARE_OFF'],
	'URL_STATUS'			=> ($bbcode_status && $url_status) ? $user->lang['URL_IS_ON'] : $user->lang['URL_IS_OFF'],
	'MAX_FONT_SIZE'			=> (int) $config['max_post_font_size'],
	'MINI_POST_IMG'			=> $user->img('icon_post_target', $user->lang['POST']),
	'POST_DATE'				=> ($post_data['post_time']) ? $user->format_date($post_data['post_time']) : '',
	'ERROR'					=> (sizeof($error)) ? implode('', ' ');
				}
			}
			meta_refresh(3, $meta_info);
			if (!$request->is_ajax())
			{
				$message .= '', ' ');
			}
			trigger_error($message);
		}
		else
		{
			global $user, $template, $request;
			$can_delete = $auth->acl_get('m_delete', $forum_id) || ($post_data['poster_id'] == $user->data['user_id'] && $user->data['is_registered'] && $auth->acl_get('f_delete', $forum_id));
			$can_softdelete = $auth->acl_get('m_softdelete', $forum_id) || ($post_data['poster_id'] == $user->data['user_id'] && $user->data['is_registered'] && $auth->acl_get('f_softdelete', $forum_id));
			$display_reason = $auth->acl_get('m_softdelete', $forum_id) || ($can_delete && $can_softdelete);
			$template->assign_vars(array(
				'S_SOFTDELETED'			=> $post_data['post_visibility'] == ITEM_DELETED,
				'S_CHECKED_PERMANENT'	=> $request->is_set_post('delete_permanent') ? ' checked="checked"' : '',
				'S_ALLOWED_DELETE'		=> $can_delete,
				'S_ALLOWED_SOFTDELETE'	=> $can_softdelete,
				'S_DELETE_REASON'		=> $display_reason,
			));
			$l_confirm = 'DELETE_POST';
			if ($post_data['post_visibility'] == ITEM_DELETED)
			{
				$l_confirm .= '_PERMANENTLY';
				$s_hidden_fields['delete_permanent'] = '1';
			}
			else if (!$can_softdelete)
			{
				$s_hidden_fields['delete_permanent'] = '1';
			}
			confirm_box(false, $l_confirm, build_hidden_fields($s_hidden_fields), 'confirm_delete_body.html');
		}
	}
	// If we are here the user is not able to delete - present the correct error message
	if ($post_data['poster_id'] != $user->data['user_id'] && $auth->acl_get('f_delete', $forum_id))
	{
		trigger_error('DELETE_OWN_POSTS');
	}
	if ($post_data['poster_id'] == $user->data['user_id'] && $auth->acl_get('f_delete', $forum_id) && $post_id != $post_data['topic_last_post_id'])
	{
		trigger_error('CANNOT_DELETE_REPLIED');
	}
	trigger_error('USER_CANNOT_DELETE');
}