<?php

/**

* Copyright (C) 2015 FeatherBB

* based on code by (C) 2008-2012 FluxBB

* and Rickard Andersson (C) 2002-2008 PunBB

* License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher

*/

namespace model;

use DB;

class post

{

public function __construct()

{

$this->feather = \Slim\Slim::getInstance();

$this->start = $this->feather->start;

$this->config = $this->feather->config;

$this->user = $this->feather->user;

$this->request = $this->feather->request;

}

// Get some info about the post

public function get_info_post($tid, $fid)

{

global $lang_common;

if ($tid) {

$select_get_info_post = array('f.id', 'f.forum_name', 'f.moderators', 'f.redirect_url', 'fp.post_replies', 'fp.post_topics', 't.subject', 't.closed', 'is_subscribed' => 's.user_id');

$where_get_info_post_any = array(

array('fp.read_forum' => 'IS NULL'),

array('fp.read_forum' => '1')

);

$cur_posting = DB::for_table('topics')

->table_alias('t')

->select_many($select_get_info_post)

->inner_join('forums', array('f.id', '=', 't.forum_id'), 'f')

->left_outer_join('forum_perms', array('fp.forum_id', '=', 'f.id'), 'fp')

->left_outer_join('forum_perms', array('fp.group_id', '=', $this->user->g_id), null, true)

->left_outer_join('topic_subscriptions', array('t.id', '=', 's.topic_id'), 's')

->left_outer_join('topic_subscriptions', array('s.user_id', '=', $this->user->id), null, true)

->where_any_is($where_get_info_post_any)

->where('t.id', $tid)

->find_one();

} else {

$select_get_info_post = array('f.id', 'f.forum_name', 'f.moderators', 'f.redirect_url', 'fp.post_replies', 'fp.post_topics');

$where_get_info_post_any = array(

array('fp.read_forum' => 'IS NULL'),

array('fp.read_forum' => '1')

);

$cur_posting = DB::for_table('forums')

->table_alias('f')

->select_many($select_get_info_post)

->left_outer_join('forum_perms', array('fp.forum_id', '=', 'f.id'), 'fp')

->left_outer_join('forum_perms', array('fp.group_id', '=', $this->user->g_id), null, true)

->where_any_is($where_get_info_post_any)

->where('f.id', $fid)

->find_one();

}

if (!$cur_posting) {

message($lang_common['Bad request'], '404');

}

return $cur_posting;

}

// Checks the post for errors before posting

public function check_errors_before_post($fid, $tid, $qid, $pid, $page, $errors)

{

global $lang_post, $lang_common, $lang_prof_reg, $lang_register, $lang_antispam, $lang_antispam_questions, $pd;

// Antispam feature

if ($this->user->is_guest) {

// It's a guest, so we have to validate the username

$errors = check_username(feather_trim($this->request->post('req_username')), $errors);

$question = $this->request->post('captcha_q') ? trim($this->request->post('captcha_q')) : '';

$answer = $this->request->post('captcha') ? strtoupper(trim($this->request->post('captcha'))) : '';

$lang_antispam_questions_array = array();

foreach ($lang_antispam_questions as $k => $v) {

$lang_antispam_questions_array[md5($k)] = strtoupper($v);

}

if (empty($lang_antispam_questions_array[$question]) || $lang_antispam_questions_array[$question] != $answer) {

$errors[] = $lang_antispam['Robot test fail'];

}

}

// Flood protection

if ($this->request->post('preview') != '' && $this->user->last_post != '' && (time() - $this->user->last_post) < $this->user->g_post_flood) {

$errors[] = sprintf($lang_post['Flood start'], $this->user->g_post_flood, $this->user->g_post_flood - (time() - $this->user->last_post));

}

if ($tid) {

$subject_tid = DB::for_table('topics')

->where('id', $tid)

->find_one_col('subject');

if (!$subject_tid) {

message($lang_common['Bad request'], '404');

}

$url_subject = url_friendly($subject_tid);

} else {

$url_subject = '';

}

// If it's a new topic

if ($fid) {

$subject = feather_trim($this->request->post('req_subject'));

if ($this->config['o_censoring'] == '1') {

$censored_subject = feather_trim(censor_words($subject));

}

if ($subject == '') {

$errors[] = $lang_post['No subject'];

} elseif ($this->config['o_censoring'] == '1' && $censored_subject == '') {

$errors[] = $lang_post['No subject after censoring'];

} elseif (feather_strlen($subject) > 70) {

$errors[] = $lang_post['Too long subject'];

} elseif ($this->config['p_subject_all_caps'] == '0' && is_all_uppercase($subject) && !$this->user->is_admmod) {

$errors[] = $lang_post['All caps subject'];

}

}

if ($this->user->is_guest) {

$email = strtolower(feather_trim(($this->config['p_force_guest_email'] == '1') ? $this->request->post('req_email') : $this->request->post('email')));

// Load the register.php/prof_reg.php language files

require FEATHER_ROOT.'lang/'.$this->user->language.'/prof_reg.php';

require FEATHER_ROOT.'lang/'.$this->user->language.'/register.php';

if ($this->config['p_force_guest_email'] == '1' || $email != '') {

require FEATHER_ROOT.'include/email.php';

if (!is_valid_email($email)) {

$errors[] = $lang_common['Invalid email'];

}

// Check if it's a banned email address

// we should only check guests because members' addresses are already verified

if ($this->user->is_guest && is_banned_email($email)) {

if ($this->config['p_allow_banned_email'] == '0') {

$errors[] = $lang_prof_reg['Banned email'];

}

$errors['banned_email'] = 1; // Used later when we send an alert email

}

}

}

// Clean up message from POST

$message = feather_linebreaks(feather_trim($this->request->post('req_message')));

// Here we use strlen() not feather_strlen() as we want to limit the post to FEATHER_MAX_POSTSIZE bytes, not characters

if (strlen($message) > FEATHER_MAX_POSTSIZE) {

$errors[] = sprintf($lang_post['Too long message'], forum_number_format(FEATHER_MAX_POSTSIZE));

} elseif ($this->config['p_message_all_caps'] == '0' && is_all_uppercase($message) && !$this->user->is_admmod) {

$errors[] = $lang_post['All caps message'];

}

// Validate BBCode syntax

if ($this->config['p_message_bbcode'] == '1') {

require FEATHER_ROOT.'include/parser.php';

$message = preparse_bbcode($message, $errors);

}

if (empty($errors)) {

if ($message == '') {

$errors[] = $lang_post['No message'];

} elseif ($this->config['o_censoring'] == '1') {

// Censor message to see if that causes problems

$censored_message = feather_trim(censor_words($message));

if ($censored_message == '') {

$errors[] = $lang_post['No message after censoring'];

}

}

}

return $errors;

}

// If the previous check went OK, setup some variables used later

public function setup_variables($errors, $is_admmod)

{

$post = array();

if (!$this->user->is_guest) {

$post['username'] = $this->user->username;

$post['email'] = $this->user->email;

}

// Otherwise it should be in $feather ($_POST)

else {

$post['username'] = feather_trim($this->request->post('req_username'));

$post['email'] = strtolower(feather_trim(($this->config['p_force_guest_email'] == '1') ? $this->request->post('req_email') : $this->request->post('email')));

}

if ($this->request->post('req_subject')) {

$post['subject'] = feather_trim($this->request->post('req_subject'));

}

$post['hide_smilies'] = $this->request->post('hide_smilies') ? '1' : '0';

$post['subscribe'] = $this->request->post('subscribe') ? '1' : '0';

$post['stick_topic'] = $this->request->post('stick_topic') && $is_admmod ? '1' : '0';

$post['message'] = feather_linebreaks(feather_trim($this->request->post('req_message')));

// Validate BBCode syntax

if ($this->config['p_message_bbcode'] == '1') {

require_once FEATHER_ROOT.'include/parser.php';

$post['message'] = preparse_bbcode($post['message'], $errors);

}

// Replace four-byte characters (MySQL cannot handle them)

$post['message'] = strip_bad_multibyte_chars($post['message']);

$post['time'] = time();

return $post;

}

// Insert a reply

public function insert_reply($post, $tid, $cur_posting, $is_subscribed)

{

$new = array();

if (!$this->user->is_guest) {

$new['tid'] = $tid;

// Insert the new post

$insert_post = array(

'poster' => $post['username'],

'poster_id' => $this->user->id,

'poster_ip' => get_remote_address(),

'message' => $post['message'],

'hide_smilies' => $post['hide_smilies'],

'posted' => $post['time'],

'topic_id' => $tid,

);

DB::for_table('posts')

->create()

->set($insert_post)

->save();

$new['pid'] = DB::get_db()->lastInsertId($this->feather->prefix.'posts');

// To subscribe or not to subscribe, that ...

if ($this->config['o_topic_subscriptions'] == '1') {

// ... is the question

// Let's do it

if (isset($post['subscribe']) && $post['subscribe'] && !$is_subscribed) {

$insert_subscription = array(

'user_id' => $this->user->id,

'topic_id' => $tid

);

DB::for_table('topic_subscriptions')

->create()

->set($insert_subscription)

->save();

// We reply and we don't want to be subscribed anymore

} elseif ($post['subscribe'] == '0' && $is_subscribed) {

DB::for_table('topic_subscriptions')

->where('user_id', $this->user->id)

->where('topic_id', $tid)

->delete_many();

}

}

} else {

// It's a guest. Insert the new post

$insert_post = array(

'poster' => $post['username'],

'poster_ip' => get_remote_address(),

'message' => $post['message'],

'hide_smilies' => $post['hide_smilies'],

'posted' => $post['time'],

'topic_id' => $tid,

);

if ($this->config['p_force_guest_email'] == '1' || $post['email'] != '') {

$insert_post['poster_email'] = $post['email'];

}

DB::for_table('posts')

->create()

->set($insert_post)

->save();

$new['pid'] = DB::get_db()->lastInsertId($this->feather->prefix.'posts');

}

// Update topic

$update_topic = array(

'last_post' => $post['time'],

'last_post_id' => $new['pid'],

'last_poster' => $post['username'],

);

DB::for_table('topics')->where('id', $tid)

->find_one()

->set($update_topic)

->set_expr('num_replies', 'num_replies+1')

->save();

update_search_index('post', $new['pid'], $post['message']);

update_forum($cur_posting['id']);

return $new;

}

// Send notifications for replies

public function send_notifications_reply($tid, $cur_posting, $new_pid, $post)

{

// Get the post time for the previous post in this topic

$previous_post_time = DB::for_table('posts')

->where('topic_id', $tid)

->order_by_desc('id')

->find_one_col('posted');

// Get any subscribed users that should be notified (banned users are excluded)

$where_send_notifications_reply = array(

array('fp.read_forum' => 'IS NULL'),

array('fp.read_forum' => '1')

);

$select_send_notifications_reply = array('u.id', 'u.email', 'u.notify_with_post', 'u.language');

$result = DB::for_table('users')

->table_alias('u')

->select_many($select_send_notifications_reply)

->inner_join('topic_subscriptions', array('u.id', '=', 's.user_id'), 's')

->left_outer_join('forum_perms', array('fp.forum_id', '=', $cur_posting['id']), 'fp', true)

->left_outer_join('forum_perms', array('fp.group_id', '=', 'u.group_id'))

->left_outer_join('online', array('u.id', '=', 'o.user_id'), 'o')

->left_outer_join('bans', array('u.username', '=', 'b.username'), 'b')

->where_raw('COALESCE(o.logged, u.last_visit)>'.$previous_post_time)

->where_null('b.username')

->where_any_is($where_send_notifications_reply)

->where('s.topic_id', $tid)

->where_not_equal('u.id', $this->user->id)

->find_many();

if ($result) {

require_once FEATHER_ROOT.'include/email.php';

$notification_emails = array();

$censored_message = feather_trim(censor_words($post['message']));

if ($this->config['o_censoring'] == '1') {

$cleaned_message = bbcode2email($censored_message, -1);

} else {

$cleaned_message = bbcode2email($post['message'], -1);

}

// Loop through subscribed users and send emails

foreach($result as $cur_subscriber) {

// Is the subscription email for $cur_subscriber['language'] cached or not?

if (!isset($notification_emails[$cur_subscriber['language']])) {

if (file_exists(FEATHER_ROOT.'lang/'.$cur_subscriber['language'].'/mail_templates/new_reply.tpl')) {

// Load the "new reply" template

$mail_tpl = trim(file_get_contents(FEATHER_ROOT.'lang/'.$cur_subscriber['language'].'/mail_templates/new_reply.tpl'));

// Load the "new reply full" template (with post included)

$mail_tpl_full = trim(file_get_contents(FEATHER_ROOT.'lang/'.$cur_subscriber['language'].'/mail_templates/new_reply_full.tpl'));

// The first row contains the subject (it also starts with "Subject:")

$first_crlf = strpos($mail_tpl, "\n");

$mail_subject = trim(substr($mail_tpl, 8, $first_crlf-8));

$mail_message = trim(substr($mail_tpl, $first_crlf));

$first_crlf = strpos($mail_tpl_full, "\n");

$mail_subject_full = trim(substr($mail_tpl_full, 8, $first_crlf-8));

$mail_message_full = trim(substr($mail_tpl_full, $first_crlf));

$mail_subject = str_replace('<topic_subject>', $cur_posting['subject'], $mail_subject);

$mail_message = str_replace('<topic_subject>', $cur_posting['subject'], $mail_message);

$mail_message = str_replace('<replier>', $post['username'], $mail_message);

$mail_message = str_replace('<post_url>', get_link('post/'.$new_pid.'/#p'.$new_pid), $mail_message);

$mail_message = str_replace('<unsubscribe_url>', get_base_url().'/misc.php?action=unsubscribe&tid='.$tid, $mail_message);

$mail_message = str_replace('<board_mailer>', $this->config['o_board_title'], $mail_message);

$mail_subject_full = str_replace('<topic_subject>', $cur_posting['subject'], $mail_subject_full);

$mail_message_full = str_replace('<topic_subject>', $cur_posting['subject'], $mail_message_full);

$mail_message_full = str_replace('<replier>', $post['username'], $mail_message_full);

$mail_message_full = str_replace('<message>', $cleaned_message, $mail_message_full);

$mail_message_full = str_replace('<post_url>', get_link('post/'.$new_pid.'/#p'.$new_pid), $mail_message_full);

$mail_message_full = str_replace('<unsubscribe_url>', get_base_url().'/misc.php?action=unsubscribe&tid='.$tid, $mail_message_full);

$mail_message_full = str_replace('<board_mailer>', $this->config['o_board_title'], $mail_message_full);

$notification_emails[$cur_subscriber['language']][0] = $mail_subject;

$notification_emails[$cur_subscriber['language']][1] = $mail_message;

$notification_emails[$cur_subscriber['language']][2] = $mail_subject_full;

$notification_emails[$cur_subscriber['language']][3] = $mail_message_full;

$mail_subject = $mail_message = $mail_subject_full = $mail_message_full = null;

}

}

// We have to double check here because the templates could be missing

if (isset($notification_emails[$cur_subscriber['language']])) {

if ($cur_subscriber['notify_with_post'] == '0') {

pun_mail($cur_subscriber['email'], $notification_emails[$cur_subscriber['language']][0], $notification_emails[$cur_subscriber['language']][1]);

} else {

pun_mail($cur_subscriber['email'], $notification_emails[$cur_subscriber['language']][2], $notification_emails[$cur_subscriber['language']][3]);

}

}

}

unset($cleaned_message);

}

}

// Insert a topic

public function insert_topic($post, $fid)

{

$new = array();

// Create the topic

$insert_topic = array(

'poster' => $post['username'],

'subject' => $post['subject'],

'posted' => $post['time'],

'last_post' => $post['time'],

'last_poster' => $post['username'],

'sticky' => $post['stick_topic'],

'forum_id' => $fid,

);

DB::for_table('topics')

->create()

->set($insert_topic)

->save();

$new['tid'] = DB::get_db()->lastInsertId($this->feather->prefix.'topics');

if (!$this->user->is_guest) {

// To subscribe or not to subscribe, that ...

if ($this->config['o_topic_subscriptions'] == '1' && $post['subscribe']) {

$insert_subscription = array(

'user_id' => $this->user->id,

'topic_id' => $new['tid']

);

DB::for_table('topic_subscriptions')

->create()

->set($insert_subscription)

->save();

}

// Create the post ("topic post")

$insert_post = array(

'poster' => $post['username'],

'poster_id' => $this->user->id,

'poster_ip' => get_remote_address(),

'message' => $post['message'],

'hide_smilies' => $post['hide_smilies'],

'posted' => $post['time'],

'topic_id' => $new['tid'],

);

DB::for_table('posts')

->create()

->set($insert_post)

->save();

} else {

// It's a guest

// Create the post ("topic post")

$insert_post = array(

'poster' => $post['username'],

'poster_ip' => get_remote_address(),

'message' => $post['message'],

'hide_smilies' => $post['hide_smilies'],

'posted' => $post['time'],

'topic_id' => $new['tid'],

);

if ($this->config['p_force_guest_email'] == '1' || $post['email'] != '') {

$insert_post['poster_email'] = $post['email'];

}

DB::for_table('posts')

->create()

->set($insert_post)

->save();

}

$new['pid'] = DB::get_db()->lastInsertId($this->feather->prefix.'topics');

// Update the topic with last_post_id

$update_topic = array(

'last_post_id' => $new['pid'],

'first_post_id' => $new['pid'],

);

DB::for_table('topics')->where('id', $new['tid'])

->find_one()

->set($update_topic)

->save();

update_search_index('post', $new['pid'], $post['message'], $post['subject']);

update_forum($fid);

return $new;

}

// Send notifications for new topics

public function send_notifications_new_topic($post, $cur_posting, $new_tid)

{

// Get any subscribed users that should be notified (banned users are excluded)

$where_send_notifications_reply = array(

array('fp.read_forum' => 'IS NULL'),

array('fp.read_forum' => '1')

);

$select_send_notifications_reply = array('u.id', 'u.email', 'u.notify_with_post', 'u.language');

$result = DB::for_table('users')

->table_alias('u')

->select_many($select_send_notifications_reply)

->inner_join('forum_subscriptions', array('u.id', '=', 's.user_id'), 's')

->left_outer_join('forum_perms', array('fp.forum_id', '=', $cur_posting['id']), 'fp', true)

->left_outer_join('forum_perms', array('fp.group_id', '=', 'u.group_id'))

->left_outer_join('bans', array('u.username', '=', 'b.username'), 'b')

->where_null('b.username')

->where_any_is($where_send_notifications_reply)

->where('s.forum_id', $cur_posting['id'])

->where_not_equal('u.id', $this->user->id)

->find_many();

if ($result) {

require_once FEATHER_ROOT.'include/email.php';

$notification_emails = array();

if ($this->config['o_censoring'] == '1') {

$cleaned_message = bbcode2email($censored_message, -1);

} else {

$cleaned_message = bbcode2email($post['message'], -1);

}

// Loop through subscribed users and send emails

foreach($result as $cur_subscriber) {

// Is the subscription email for $cur_subscriber['language'] cached or not?

if (!isset($notification_emails[$cur_subscriber['language']])) {

if (file_exists(FEATHER_ROOT.'lang/'.$cur_subscriber['language'].'/mail_templates/new_topic.tpl')) {

// Load the "new topic" template

$mail_tpl = trim(file_get_contents(FEATHER_ROOT.'lang/'.$cur_subscriber['language'].'/mail_templates/new_topic.tpl'));

// Load the "new topic full" template (with post included)

$mail_tpl_full = trim(file_get_contents(FEATHER_ROOT.'lang/'.$cur_subscriber['language'].'/mail_templates/new_topic_full.tpl'));

// The first row contains the subject (it also starts with "Subject:")

$first_crlf = strpos($mail_tpl, "\n");

$mail_subject = trim(substr($mail_tpl, 8, $first_crlf-8));

$mail_message = trim(substr($mail_tpl, $first_crlf));

$first_crlf = strpos($mail_tpl_full, "\n");

$mail_subject_full = trim(substr($mail_tpl_full, 8, $first_crlf-8));

$mail_message_full = trim(substr($mail_tpl_full, $first_crlf));

$mail_subject = str_replace('<forum_name>', $cur_posting['forum_name'], $mail_subject);

$mail_message = str_replace('<topic_subject>', $this->config['o_censoring'] == '1' ? $censored_subject : $post['subject'], $mail_message);

$mail_message = str_replace('<forum_name>', $cur_posting['forum_name'], $mail_message);

$mail_message = str_replace('<poster>', $post['username'], $mail_message);

$mail_message = str_replace('<topic_url>', get_link('topic/'.$new_tid.'/'), $mail_message);

$mail_message = str_replace('<unsubscribe_url>', get_base_url().'/misc.php?action=unsubscribe&fid='.$cur_posting['id'], $mail_message);

$mail_message = str_replace('<board_mailer>', $this->config['o_board_title'], $mail_message);

$mail_subject_full = str_replace('<forum_name>', $cur_posting['forum_name'], $mail_subject_full);

$mail_message_full = str_replace('<topic_subject>', $this->config['o_censoring'] == '1' ? $censored_subject : $post['subject'], $mail_message_full);

$mail_message_full = str_replace('<forum_name>', $cur_posting['forum_name'], $mail_message_full);

$mail_message_full = str_replace('<poster>', $post['username'], $mail_message_full);

$mail_message_full = str_replace('<message>', $cleaned_message, $mail_message_full);

$mail_message_full = str_replace('<topic_url>', get_link('topic/'.$new_tid.'/'), $mail_message_full);

$mail_message_full = str_replace('<unsubscribe_url>', get_base_url().'/misc.php?action=unsubscribe&fid='.$cur_posting['id'], $mail_message_full);

$mail_message_full = str_replace('<board_mailer>', $this->config['o_board_title'], $mail_message_full);

$notification_emails[$cur_subscriber['language']][0] = $mail_subject;

$notification_emails[$cur_subscriber['language']][1] = $mail_message;

$notification_emails[$cur_subscriber['language']][2] = $mail_subject_full;

$notification_emails[$cur_subscriber['language']][3] = $mail_message_full;

}

}

// We have to double check here because the templates could be missing

if (isset($notification_emails[$cur_subscriber['language']])) {

if ($cur_subscriber['notify_with_post'] == '0') {

pun_mail($cur_subscriber['email'], $notification_emails[$cur_subscriber['language']][0], $notification_emails[$cur_subscriber['language']][1]);

} else {

pun_mail($cur_subscriber['email'], $notification_emails[$cur_subscriber['language']][2], $notification_emails[$cur_subscriber['language']][3]);

}

}

}

unset($cleaned_message);

}

}

// Warn the admin if a banned user posts

public function warn_banned_user($post, $new_pid)

{

// Load the "banned email post" template

$mail_tpl = trim(file_get_contents(FEATHER_ROOT.'lang/'.$this->user->language.'/mail_templates/banned_email_post.tpl'));

// The first row contains the subject

$first_crlf = strpos($mail_tpl, "\n");

$mail_subject = trim(substr($mail_tpl, 8, $first_crlf-8));

$mail_message = trim(substr($mail_tpl, $first_crlf));

$mail_message = str_replace('<username>', $post['username'], $mail_message);

$mail_message = str_replace('<email>', $post['email'], $mail_message);

$mail_message = str_replace('<post_url>', get_link('post/'.$new_pid.'/#p'.$new_pid), $mail_message);

$mail_message = str_replace('<board_mailer>', $this->config['o_board_title'], $mail_message);

pun_mail($this->config['o_mailing_list'], $mail_subject, $mail_message);

}

// Increment post count, change group if needed

public function increment_post_count($post, $new_tid)

{

if (!$this->user->is_guest) {

DB::for_table('users')

->where('id', $this->user->id)

->find_one()

->set('last_post', $post['time'])

->set_expr('num_posts', 'num_posts+1')

->save();

// Promote this user to a new group if enabled

if ($this->user->g_promote_next_group != 0 && $this->user->num_posts + 1 >= $this->user->g_promote_min_posts) {

$new_group_id = $this->user->g_promote_next_group;

DB::for_table('users')

->where('id', $this->user->id)

->find_one()

->set('group_id', $new_group_id)

->save();

}

// Topic tracking stuff...

$tracked_topics = get_tracked_topics();

$tracked_topics['topics'][$new_tid] = time();

set_tracked_topics($tracked_topics);

} else {

// Update the last_post field for guests

DB::for_table('online')

->where('ident', get_remote_address())

->find_one()

->set('last_post', $post['time'])

->save();

}

}

//

// Split text into chunks ($inside contains all text inside $start and $end, and $outside contains all text outside)

//

public function split_text($text, $start, $end, $retab = true)

{

$result = array(0 => array(), 1 => array()); // 0 = inside, 1 = outside

// split the text into parts

$parts = preg_split('%'.preg_quote($start, '%').'(.*)'.preg_quote($end, '%').'%Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);

$num_parts = count($parts);

// preg_split results in outside parts having even indices, inside parts having odd

for ($i = 0;$i < $num_parts;$i++) {

$result[1 - ($i % 2)][] = $parts[$i];

}

if ($this->config['o_indent_num_spaces'] != 8 && $retab) {

$spaces = str_repeat(' ', $this->config['o_indent_num_spaces']);

$result[1] = str_replace("\t", $spaces, $result[1]);

}

return $result;

}

// If we are quoting a message

public function get_quote_message($qid, $tid)

{

global $lang_common;

$select_get_quote_message = array('poster', 'message');

$quote = DB::for_table('posts')->select_many($select_get_quote_message)

->where('id', $qid)

->where('topic_id', $tid)

->find_one();

if (!$quote) {

message($lang_common['Bad request'], '404');

}

// If the message contains a code tag we have to split it up (text within [code][/code] shouldn't be touched)

if (strpos($quote['message'], '[code]') !== false && strpos($quote['message'], '[/code]') !== false) {

list($inside, $outside) = split_text($quote['message'], '[code]', '[/code]');

$quote['message'] = implode("\1", $outside);

}

// Remove [img] tags from quoted message

$quote['message'] = preg_replace('%\[img(?:=(?:[^\[]*?))?\]((ht|f)tps?://)([^\s<"]*?)\[/img\]%U', '\1\3', $quote['message']);

// If we split up the message before we have to concatenate it together again (code tags)

if (isset($inside)) {

$outside = explode("\1", $quote['message']);

$quote['message'] = '';

$num_tokens = count($outside);

for ($i = 0; $i < $num_tokens; ++$i) {

$quote['message'] .= $outside[$i];

if (isset($inside[$i])) {

$quote['message'] .= '[code]'.$inside[$i].'[/code]';

}

}

unset($inside);

}

if ($this->config['o_censoring'] == '1') {

$quote['message'] = censor_words($quote['message']);

}

$quote['message'] = feather_escape($quote['message']);

if ($this->config['p_message_bbcode'] == '1') { // Sanitize username for inclusion within QUOTE BBCode attribute.

// This is a bit tricky because a username can have any "special"

// characters such as backslash \ square brackets [] and quotes '".

if (preg_match('/[[\]\'"]/S', $quote['poster'])) {

// Check if we need to quote it.

// Post has special chars. Escape escapes and quotes then wrap in quotes.

if (strpos($quote['poster'], '"') !== false && strpos($quote['poster'], '\'') === false) { // If there are double quotes but no single quotes, use single quotes,

$quote['poster'] = feather_escape(str_replace('\\', '\\\\', $quote['poster']));

$quote['poster'] = '\''. $quote['poster'] .'#'. $qid .'\'';

} else { // otherwise use double quotes.

$quote['poster'] = feather_escape(str_replace(array('\\', '"'), array('\\\\', '\\"'), $quote['poster']));

$quote['poster'] = '"'. $quote['poster'] .'#'. $qid .'"';

}

} else {

$quote['poster'] = $quote['poster'] .'#'. $qid;

}

$quote = '[quote='. $quote['poster'] .']'.$quote['message'].'[/quote]'."\n";

} else {

$quote = '> '.$quote['poster'].' '.$lang_common['wrote']."\n\n".'> '.$quote['message']."\n";

}

return $quote;

}

// Get the current state of checkboxes

public function get_checkboxes($fid, $is_admmod, $is_subscribed)

{

global $lang_post, $lang_common;

$cur_index = 1;

$checkboxes = array();

if ($fid && $is_admmod) {

$checkboxes[] = '<label><input type="checkbox" name="stick_topic" value="1" tabindex="'.($cur_index++).'"'.($this->request->post('stick_topic') ? ' checked="checked"' : '').' />'.$lang_common['Stick topic'].'<br /></label>';

}

if (!$this->user->is_guest) {

if ($this->config['o_smilies'] == '1') {

$checkboxes[] = '<label><input type="checkbox" name="hide_smilies" value="1" tabindex="'.($cur_index++).'"'.($this->request->post('hide_smilies') ? ' checked="checked"' : '').' />'.$lang_post['Hide smilies'].'<br /></label>';

}

if ($this->config['o_topic_subscriptions'] == '1') {

$subscr_checked = false;

// If it's a preview

if ($this->request->post('preview')) {

$subscr_checked = ($this->request->post('subscribe')) ? true : false;

}

// If auto subscribed

elseif ($this->user->auto_notify) {

$subscr_checked = true;

}

// If already subscribed to the topic

elseif ($is_subscribed) {

$subscr_checked = true;

}

$checkboxes[] = '<label><input type="checkbox" name="subscribe" value="1" tabindex="'.($cur_index++).'"'.($subscr_checked ? ' checked="checked"' : '').' />'.($is_subscribed ? $lang_post['Stay subscribed'] : $lang_post['Subscribe']).'<br /></label>';

}

} elseif ($this->config['o_smilies'] == '1') {

$checkboxes[] = '<label><input type="checkbox" name="hide_smilies" value="1" tabindex="'.($cur_index++).'"'.($this->request->post('hide_smilies') ? ' checked="checked"' : '').' />'.$lang_post['Hide smilies'].'<br /></label>';

}

return $checkboxes;

}

// Display the topic review if needed

public function topic_review($tid)

{

global $pd;

$post_data = array();

require_once FEATHER_ROOT.'include/parser.php';

$select_topic_review = array('poster', 'message', 'hide_smilies', 'posted');

$result = DB::for_table('posts')->select_many($select_topic_review)

->where('topic_id', $tid)

->order_by_desc('id')

->find_many();

foreach($result as $cur_post) {

$cur_post['message'] = parse_message($cur_post['message'], $cur_post['hide_smilies']);

$post_data[] = $cur_post;

}

return $post_data;

}

}