<?php

/**

*

* This file is part of the phpBB Forum Software package.

*

* @copyright (c) phpBB Limited <https://www.phpbb.com>

* @license GNU General Public License, version 2 (GPL-2.0)

*

* For full copyright and license information, please see

* the docs/CREDITS.txt file.

*

*/

/**

* @ignore

*/

define('IN_PHPBB', true);

$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';

$phpEx = substr(strrchr(__FILE__, '.'), 1);

include($phpbb_root_path . 'common.' . $phpEx);

include($phpbb_root_path . 'includes/functions_display.' . $phpEx);

include($phpbb_root_path . 'includes/bbcode.' . $phpEx);

include($phpbb_root_path . 'includes/functions_user.' . $phpEx);

// Start session management

$user->session_begin();

$auth->acl($user->data);

// Initial var setup

$forum_id = 0;

$topic_id = $request->variable('t', 0);

$post_id = $request->variable('p', 0);

$voted_id = $request->variable('vote_id', array('' => 0));

$voted_id = (count($voted_id) > 1) ? array_unique($voted_id) : $voted_id;

$start = $request->variable('start', 0);

$view = $request->variable('view', '');

$default_sort_days = (!empty($user->data['user_post_show_days'])) ? $user->data['user_post_show_days'] : 0;

$default_sort_key = (!empty($user->data['user_post_sortby_type'])) ? $user->data['user_post_sortby_type'] : 't';

$default_sort_dir = (!empty($user->data['user_post_sortby_dir'])) ? $user->data['user_post_sortby_dir'] : 'a';

$sort_days = $request->variable('st', $default_sort_days);

$sort_key = $request->variable('sk', $default_sort_key);

$sort_dir = $request->variable('sd', $default_sort_dir);

$update = $request->variable('update', false);

/* @var $pagination \phpbb\pagination */

$pagination = $phpbb_container->get('pagination');

$s_can_vote = false;

/**

* @todo normalize?

*/

$hilit_words = $request->variable('hilit', '', true);

// Do we have a topic or post id?

if (!$topic_id && !$post_id)

{

trigger_error('NO_TOPIC');

}

/* @var $phpbb_content_visibility \phpbb\content_visibility */

$phpbb_content_visibility = $phpbb_container->get('content.visibility');

// Find topic id if user requested a newer or older topic

if ($view && !$post_id)

{

if ($view == 'unread')

{

$sql = 'SELECT forum_id

FROM ' . TOPICS_TABLE . "

WHERE topic_id = $topic_id";

$result = $db->sql_query($sql);

$forum_id = (int) $db->sql_fetchfield('forum_id');

$db->sql_freeresult($result);

if (!$forum_id)

{

trigger_error('NO_TOPIC');

}

// Get topic tracking info

$topic_tracking_info = get_complete_topic_tracking($forum_id, $topic_id);

$topic_last_read = (isset($topic_tracking_info[$topic_id])) ? $topic_tracking_info[$topic_id] : 0;

$sql = 'SELECT post_id, topic_id, forum_id

FROM ' . POSTS_TABLE . "

WHERE topic_id = $topic_id

AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id) . "

AND post_time > $topic_last_read

AND forum_id = $forum_id

ORDER BY post_time ASC, post_id ASC";

$result = $db->sql_query_limit($sql, 1);

$row = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

if (!$row)

{

$sql = 'SELECT topic_last_post_id as post_id, topic_id, forum_id

FROM ' . TOPICS_TABLE . '

WHERE topic_id = ' . $topic_id;

$result = $db->sql_query($sql);

$row = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

}

if (!$row)

{

// Setup user environment so we can process lang string

$user->setup('viewtopic');

trigger_error('NO_TOPIC');

}

$post_id = $row['post_id'];

$topic_id = $row['topic_id'];

}

else if ($view == 'next' || $view == 'previous')

{

$sql_condition = ($view == 'next') ? '>' : '<';

$sql_ordering = ($view == 'next') ? 'ASC' : 'DESC';

$sql = 'SELECT forum_id, topic_last_post_time

FROM ' . TOPICS_TABLE . '

WHERE topic_id = ' . $topic_id;

$result = $db->sql_query($sql);

$row = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

if (!$row)

{

$user->setup('viewtopic');

// OK, the topic doesn't exist. This error message is not helpful, but technically correct.

trigger_error(($view == 'next') ? 'NO_NEWER_TOPICS' : 'NO_OLDER_TOPICS');

}

else

{

$forum_id = $row['forum_id'];

$sql = 'SELECT topic_id, forum_id

FROM ' . TOPICS_TABLE . '

WHERE forum_id = ' . $forum_id . "

AND topic_moved_id = 0

AND topic_last_post_time $sql_condition {$row['topic_last_post_time']}

AND " . $phpbb_content_visibility->get_visibility_sql('topic', $forum_id) . "

ORDER BY topic_last_post_time $sql_ordering, topic_last_post_id $sql_ordering";

$result = $db->sql_query_limit($sql, 1);

$row = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

if (!$row)

{

$sql = 'SELECT forum_style

FROM ' . FORUMS_TABLE . "

WHERE forum_id = $forum_id";

$result = $db->sql_query($sql);

$forum_style = (int) $db->sql_fetchfield('forum_style');

$db->sql_freeresult($result);

$user->setup('viewtopic', $forum_style);

trigger_error(($view == 'next') ? 'NO_NEWER_TOPICS' : 'NO_OLDER_TOPICS');

}

else

{

$topic_id = $row['topic_id'];

$forum_id = $row['forum_id'];

}

}

}

if (isset($row) && $row['forum_id'])

{

$forum_id = $row['forum_id'];

}

}

// This rather complex gaggle of code handles querying for topics but

// also allows for direct linking to a post (and the calculation of which

// page the post is on and the correct display of viewtopic)

$sql_array = array(

'SELECT' => 't.*, f.*',

'FROM' => array(FORUMS_TABLE => 'f'),

);

// The FROM-Order is quite important here, else t.* columns can not be correctly bound.

if ($post_id)

{

$sql_array['SELECT'] .= ', p.post_visibility, p.post_time, p.post_id';

$sql_array['FROM'][POSTS_TABLE] = 'p';

}

// Topics table need to be the last in the chain

$sql_array['FROM'][TOPICS_TABLE] = 't';

if ($user->data['is_registered'])

{

$sql_array['SELECT'] .= ', tw.notify_status';

$sql_array['LEFT_JOIN'] = array();

$sql_array['LEFT_JOIN'][] = array(

'FROM' => array(TOPICS_WATCH_TABLE => 'tw'),

'ON' => 'tw.user_id = ' . $user->data['user_id'] . ' AND t.topic_id = tw.topic_id'

);

if ($config['allow_bookmarks'])

{

$sql_array['SELECT'] .= ', bm.topic_id as bookmarked';

$sql_array['LEFT_JOIN'][] = array(

'FROM' => array(BOOKMARKS_TABLE => 'bm'),

'ON' => 'bm.user_id = ' . $user->data['user_id'] . ' AND t.topic_id = bm.topic_id'

);

}

if ($config['load_db_lastread'])

{

$sql_array['SELECT'] .= ', tt.mark_time, ft.mark_time as forum_mark_time';

$sql_array['LEFT_JOIN'][] = array(

'FROM' => array(TOPICS_TRACK_TABLE => 'tt'),

'ON' => 'tt.user_id = ' . $user->data['user_id'] . ' AND t.topic_id = tt.topic_id'

);

$sql_array['LEFT_JOIN'][] = array(

'FROM' => array(FORUMS_TRACK_TABLE => 'ft'),

'ON' => 'ft.user_id = ' . $user->data['user_id'] . ' AND t.forum_id = ft.forum_id'

);

}

}

if (!$post_id)

{

$sql_array['WHERE'] = "t.topic_id = $topic_id";

}

else

{

$sql_array['WHERE'] = "p.post_id = $post_id AND t.topic_id = p.topic_id";

}

$sql_array['WHERE'] .= ' AND f.forum_id = t.forum_id';

$sql = $db->sql_build_query('SELECT', $sql_array);

$result = $db->sql_query($sql);

$topic_data = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

// link to unapproved post or incorrect link

if (!$topic_data)

{

// If post_id was submitted, we try at least to display the topic as a last resort...

if ($post_id && $topic_id)

{

redirect(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id"));

}

trigger_error('NO_TOPIC');

}

$forum_id = (int) $topic_data['forum_id'];

/**

* Modify the forum ID to handle the correct display of viewtopic if needed

*

* @event core.viewtopic_modify_forum_id

* @var string forum_id forum ID

* @var array topic_data array of topic's data

* @since 3.2.5-RC1

*/

$vars = array(

'forum_id',

'topic_data',

);

extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_forum_id', compact($vars)));

// If the request is missing the f parameter, the forum id in the user session data is 0 at the moment.

// Let's fix that now so that the user can't hide from the forum's Who Is Online list.

$user->page['forum'] = $forum_id;

// Now we know the forum_id and can check the permissions

if (!$phpbb_content_visibility->is_visible('topic', $forum_id, $topic_data))

{

trigger_error('NO_TOPIC');

}

// This is for determining where we are (page)

if ($post_id)

{

// are we where we are supposed to be?

if (($topic_data['post_visibility'] == ITEM_UNAPPROVED || $topic_data['post_visibility'] == ITEM_REAPPROVE) && !$auth->acl_get('m_approve', $topic_data['forum_id']))

{

// If post_id was submitted, we try at least to display the topic as a last resort...

if ($topic_id)

{

redirect(append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id"));

}

trigger_error('NO_TOPIC');

}

if ($post_id == $topic_data['topic_first_post_id'] || $post_id == $topic_data['topic_last_post_id'])

{

$check_sort = ($post_id == $topic_data['topic_first_post_id']) ? 'd' : 'a';

if ($sort_dir == $check_sort)

{

$topic_data['prev_posts'] = $phpbb_content_visibility->get_count('topic_posts', $topic_data, $forum_id) - 1;

}

else

{

$topic_data['prev_posts'] = 0;

}

}

else

{

$sql = 'SELECT COUNT(p.post_id) AS prev_posts

FROM ' . POSTS_TABLE . " p

WHERE p.topic_id = {$topic_data['topic_id']}

AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id, 'p.');

if ($sort_dir == 'd')

{

$sql .= " AND (p.post_time > {$topic_data['post_time']} OR (p.post_time = {$topic_data['post_time']} AND p.post_id >= {$topic_data['post_id']}))";

}

else

{

$sql .= " AND (p.post_time < {$topic_data['post_time']} OR (p.post_time = {$topic_data['post_time']} AND p.post_id <= {$topic_data['post_id']}))";

}

$result = $db->sql_query($sql);

$row = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

$topic_data['prev_posts'] = $row['prev_posts'] - 1;

}

}

$topic_id = (int) $topic_data['topic_id'];

$topic_replies = $phpbb_content_visibility->get_count('topic_posts', $topic_data, $forum_id) - 1;

// Check sticky/announcement/global time limit

if (($topic_data['topic_type'] != POST_NORMAL) && $topic_data['topic_time_limit'] && ($topic_data['topic_time'] + $topic_data['topic_time_limit']) < time())

{

$sql = 'UPDATE ' . TOPICS_TABLE . '

SET topic_type = ' . POST_NORMAL . ', topic_time_limit = 0

WHERE topic_id = ' . $topic_id;

$db->sql_query($sql);

$topic_data['topic_type'] = POST_NORMAL;

$topic_data['topic_time_limit'] = 0;

}

// Setup look and feel

$user->setup('viewtopic', $topic_data['forum_style']);

if ($view == 'print' && !$auth->acl_get('f_print', $forum_id))

{

send_status_line(403, 'Forbidden');

trigger_error('NO_AUTH_PRINT_TOPIC');

}

$overrides_f_read_check = false;

$overrides_forum_password_check = false;

$topic_tracking_info = isset($topic_tracking_info) ? $topic_tracking_info : null;

/**

* Event to apply extra permissions and to override original phpBB's f_read permission and forum password check

* on viewtopic access

*

* @event core.viewtopic_before_f_read_check

* @var int forum_id The forum id from where the topic belongs

* @var int topic_id The id of the topic the user tries to access

* @var int post_id The id of the post the user tries to start viewing at.

* It may be 0 for none given.

* @var array topic_data All the information from the topic and forum tables for this topic

* It includes posts information if post_id is not 0

* @var bool overrides_f_read_check Set true to remove f_read check afterwards

* @var bool overrides_forum_password_check Set true to remove forum_password check afterwards

* @var array topic_tracking_info Information upon calling get_topic_tracking()

* Set it to NULL to allow auto-filling later.

* Set it to an array to override original data.

* @since 3.1.3-RC1

*/

$vars = array(

'forum_id',

'topic_id',

'post_id',

'topic_data',

'overrides_f_read_check',

'overrides_forum_password_check',

'topic_tracking_info',

);

extract($phpbb_dispatcher->trigger_event('core.viewtopic_before_f_read_check', compact($vars)));

// Start auth check

if (!$overrides_f_read_check && !$auth->acl_get('f_read', $forum_id))

{

if ($user->data['user_id'] != ANONYMOUS)

{

send_status_line(403, 'Forbidden');

trigger_error('SORRY_AUTH_READ');

}

login_box('', $user->lang['LOGIN_VIEWFORUM']);

}

// Forum is passworded ... check whether access has been granted to this

// user this session, if not show login box

if (!$overrides_forum_password_check && $topic_data['forum_password'])

{

login_forum_box($topic_data);

}

// Redirect to login upon emailed notification links if user is not logged in.

if (isset($_GET['e']) && $user->data['user_id'] == ANONYMOUS)

{

login_box(build_url('e') . '#unread', $user->lang['LOGIN_NOTIFY_TOPIC']);

}

// What is start equal to?

if ($post_id)

{

$start = floor(($topic_data['prev_posts']) / $config['posts_per_page']) * $config['posts_per_page'];

}

// Get topic tracking info

if (!isset($topic_tracking_info))

{

$topic_tracking_info = array();

// Get topic tracking info

if ($config['load_db_lastread'] && $user->data['is_registered'])

{

$tmp_topic_data = array($topic_id => $topic_data);

$topic_tracking_info = get_topic_tracking($forum_id, $topic_id, $tmp_topic_data, array($forum_id => $topic_data['forum_mark_time']));

unset($tmp_topic_data);

}

else if ($config['load_anon_lastread'] || $user->data['is_registered'])

{

$topic_tracking_info = get_complete_topic_tracking($forum_id, $topic_id);

}

}

// Post ordering options

$limit_days = array(0 => $user->lang['ALL_POSTS'], 1 => $user->lang['1_DAY'], 7 => $user->lang['7_DAYS'], 14 => $user->lang['2_WEEKS'], 30 => $user->lang['1_MONTH'], 90 => $user->lang['3_MONTHS'], 180 => $user->lang['6_MONTHS'], 365 => $user->lang['1_YEAR']);

$sort_by_text = array('a' => $user->lang['AUTHOR'], 't' => $user->lang['POST_TIME'], 's' => $user->lang['SUBJECT']);

$sort_by_sql = array('a' => array('u.username_clean', 'p.post_id'), 't' => array('p.post_time', 'p.post_id'), 's' => array('p.post_subject', 'p.post_id'));

$join_user_sql = array('a' => true, 't' => false, 's' => false);

$s_limit_days = $s_sort_key = $s_sort_dir = $u_sort_param = '';

/**

* Event to add new sorting options

*

* @event core.viewtopic_gen_sort_selects_before

* @var array limit_days Limit results by time

* @var array sort_by_text Language strings for sorting options

* @var array sort_by_sql SQL conditions for sorting options

* @var array join_user_sql SQL joins required for sorting options

* @var int sort_days User selected sort days

* @var string sort_key User selected sort key

* @var string sort_dir User selected sort direction

* @var string s_limit_days Initial value of limit days selectbox

* @var string s_sort_key Initial value of sort key selectbox

* @var string s_sort_dir Initial value of sort direction selectbox

* @var string u_sort_param Initial value of sorting form action

* @since 3.2.8-RC1

*/

$vars = array(

'limit_days',

'sort_by_text',

'sort_by_sql',

'join_user_sql',

'sort_days',

'sort_key',

'sort_dir',

's_limit_days',

's_sort_key',

's_sort_dir',

'u_sort_param',

);

extract($phpbb_dispatcher->trigger_event('core.viewtopic_gen_sort_selects_before', compact($vars)));

gen_sort_selects($limit_days, $sort_by_text, $sort_days, $sort_key, $sort_dir, $s_limit_days, $s_sort_key, $s_sort_dir, $u_sort_param, $default_sort_days, $default_sort_key, $default_sort_dir);

// Obtain correct post count and ordering SQL if user has

// requested anything different

if ($sort_days)

{

$min_post_time = time() - ($sort_days * 86400);

$sql = 'SELECT COUNT(post_id) AS num_posts

FROM ' . POSTS_TABLE . "

WHERE topic_id = $topic_id

AND post_time >= $min_post_time

AND " . $phpbb_content_visibility->get_visibility_sql('post', $forum_id);

$result = $db->sql_query($sql);

$total_posts = (int) $db->sql_fetchfield('num_posts');

$db->sql_freeresult($result);

$limit_posts_time = "AND p.post_time >= $min_post_time ";

if (isset($_POST['sort']))

{

$start = 0;

}

}

else

{

$total_posts = $topic_replies + 1;

$limit_posts_time = '';

}

// Was a highlight request part of the URI?

$highlight_match = $highlight = '';

if ($hilit_words)

{

$highlight_match = phpbb_clean_search_string($hilit_words);

$highlight = urlencode($highlight_match);

$highlight_match = str_replace('\*', '\w+?', preg_quote($highlight_match, '#'));

$highlight_match = preg_replace('#(?<=^|\s)\\\\w\*\?(?=\s|$)#', '\w+?', $highlight_match);

$highlight_match = str_replace(' ', '|', $highlight_match);

}

// Make sure $start is set to the last page if it exceeds the amount

$start = $pagination->validate_start($start, $config['posts_per_page'], $total_posts);

// General Viewtopic URL for return links

$viewtopic_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start") . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($highlight_match) ? "&amp;hilit=$highlight" : ''));

// Are we watching this topic?

$s_watching_topic = array(

'link' => '',

'link_toggle' => '',

'title' => '',

'title_toggle' => '',

'is_watching' => false,

);

if ($config['allow_topic_notify'])

{

$notify_status = (isset($topic_data['notify_status'])) ? $topic_data['notify_status'] : null;

watch_topic_forum('topic', $s_watching_topic, $user->data['user_id'], $forum_id, $topic_id, $notify_status, $start, $topic_data['topic_title']);

// Reset forum notification if forum notify is set

if ($config['allow_forum_notify'] && $auth->acl_get('f_subscribe', $forum_id))

{

$s_watching_forum = $s_watching_topic;

watch_topic_forum('forum', $s_watching_forum, $user->data['user_id'], $forum_id, 0);

}

}

/**

* Event to modify highlight.

*

* @event core.viewtopic_highlight_modify

* @var string highlight String to be highlighted

* @var string highlight_match Highlight string to be used in preg_replace

* @var array topic_data Topic data

* @var int start Pagination start

* @var int total_posts Number of posts

* @var string viewtopic_url Current viewtopic URL

* @since 3.1.11-RC1

*/

$vars = array(

'highlight',

'highlight_match',

'topic_data',

'start',

'total_posts',

'viewtopic_url',

);

extract($phpbb_dispatcher->trigger_event('core.viewtopic_highlight_modify', compact($vars)));

// Bookmarks

if ($config['allow_bookmarks'] && $user->data['is_registered'] && $request->variable('bookmark', 0))

{

if (check_link_hash($request->variable('hash', ''), "topic_$topic_id"))

{

if (!$topic_data['bookmarked'])

{

$sql = 'INSERT INTO ' . BOOKMARKS_TABLE . ' ' . $db->sql_build_array('INSERT', array(

'user_id' => $user->data['user_id'],

'topic_id' => $topic_id,

));

$db->sql_query($sql);

}

else

{

$sql = 'DELETE FROM ' . BOOKMARKS_TABLE . "

WHERE user_id = {$user->data['user_id']}

AND topic_id = $topic_id";

$db->sql_query($sql);

}

$message = (($topic_data['bookmarked']) ? $user->lang['BOOKMARK_REMOVED'] : $user->lang['BOOKMARK_ADDED']);

if (!$request->is_ajax())

{

$message .= '<br /><br />' . $user->lang('RETURN_TOPIC', '<a href="' . $viewtopic_url . '">', '</a>');

}

}

else

{

$message = $user->lang['BOOKMARK_ERR'];

if (!$request->is_ajax())

{

$message .= '<br /><br />' . $user->lang('RETURN_TOPIC', '<a href="' . $viewtopic_url . '">', '</a>');

}

}

meta_refresh(3, $viewtopic_url);

trigger_error($message);

}

// Grab ranks

$ranks = $cache->obtain_ranks();

// Grab icons

$icons = $cache->obtain_icons();

// Grab extensions

$extensions = array();

if ($topic_data['topic_attachment'])

{

$extensions = $cache->obtain_attach_extensions($forum_id);

}

// Forum rules listing

$s_forum_rules = '';

gen_forum_auth_level('topic', $forum_id, $topic_data['forum_status']);

// Quick mod tools

$allow_change_type = ($auth->acl_get('m_', $forum_id) || ($user->data['is_registered'] && $user->data['user_id'] == $topic_data['topic_poster'])) ? true : false;

$source_type_permission = [

POST_ANNOUNCE => 'f_announce',

POST_GLOBAL => 'f_announce_global',

POST_STICKY => 'f_sticky',

];

$has_source_type_permission = $topic_data['topic_type'] == POST_NORMAL || $auth->acl_get($source_type_permission[$topic_data['topic_type']], $forum_id);

$s_quickmod_action = append_sid(

"{$phpbb_root_path}mcp.$phpEx",

array(

'f' => $forum_id,

't' => $topic_id,

'start' => $start,

'quickmod' => 1,

'redirect' => urlencode(str_replace('&amp;', '&', $viewtopic_url)),

)

);

$quickmod_array = array(

// 'key' => array('LANG_KEY', $userHasPermissions),

'lock' => array('LOCK_TOPIC', ($topic_data['topic_status'] == ITEM_UNLOCKED) && ($auth->acl_get('m_lock', $forum_id) || ($auth->acl_get('f_user_lock', $forum_id) && $user->data['is_registered'] && $user->data['user_id'] == $topic_data['topic_poster']))),

'unlock' => array('UNLOCK_TOPIC', ($topic_data['topic_status'] != ITEM_UNLOCKED) && ($auth->acl_get('m_lock', $forum_id))),

'delete_topic' => array('DELETE_TOPIC', ($auth->acl_get('m_delete', $forum_id) || (($topic_data['topic_visibility'] != ITEM_DELETED) && $auth->acl_get('m_softdelete', $forum_id)))),

'restore_topic' => array('RESTORE_TOPIC', (($topic_data['topic_visibility'] == ITEM_DELETED) && $auth->acl_get('m_approve', $forum_id))),

'move' => array('MOVE_TOPIC', $auth->acl_get('m_move', $forum_id) && $topic_data['topic_status'] != ITEM_MOVED),

'split' => array('SPLIT_TOPIC', $auth->acl_get('m_split', $forum_id)),

'merge' => array('MERGE_POSTS', $auth->acl_get('m_merge', $forum_id)),

'merge_topic' => array('MERGE_TOPIC', $auth->acl_get('m_merge', $forum_id)),

'fork' => array('FORK_TOPIC', $auth->acl_get('m_move', $forum_id)),

'make_normal' => array('MAKE_NORMAL', ($allow_change_type && $has_source_type_permission && $topic_data['topic_type'] != POST_NORMAL)),

'make_sticky' => array('MAKE_STICKY', ($allow_change_type && $has_source_type_permission && $auth->acl_get('f_sticky', $forum_id) && $topic_data['topic_type'] != POST_STICKY)),

'make_announce' => array('MAKE_ANNOUNCE', ($allow_change_type && $has_source_type_permission && $auth->acl_get('f_announce', $forum_id) && $topic_data['topic_type'] != POST_ANNOUNCE)),

'make_global' => array('MAKE_GLOBAL', ($allow_change_type && $has_source_type_permission && $auth->acl_get('f_announce_global', $forum_id) && $topic_data['topic_type'] != POST_GLOBAL)),

'topic_logs' => array('VIEW_TOPIC_LOGS', $auth->acl_get('m_', $forum_id)),

);

/**

* Event to modify data in the quickmod_array before it gets sent to the

* phpbb_add_quickmod_option function.

*

* @event core.viewtopic_add_quickmod_option_before

* @var int forum_id Forum ID

* @var int post_id Post ID

* @var array quickmod_array Array with quick moderation options data

* @var array topic_data Array with topic data

* @var int topic_id Topic ID

* @var array topic_tracking_info Array with topic tracking data

* @var string viewtopic_url URL to the topic page

* @var bool allow_change_type Topic change permissions check

* @since 3.1.9-RC1

*/

$vars = array(

'forum_id',

'post_id',

'quickmod_array',

'topic_data',

'topic_id',

'topic_tracking_info',

'viewtopic_url',

'allow_change_type',

);

extract($phpbb_dispatcher->trigger_event('core.viewtopic_add_quickmod_option_before', compact($vars)));

foreach ($quickmod_array as $option => $qm_ary)

{

if (!empty($qm_ary[1]))

{

phpbb_add_quickmod_option($s_quickmod_action, $option, $qm_ary[0]);

}

}

// Navigation links

generate_forum_nav($topic_data);

// Forum Rules

generate_forum_rules($topic_data);

// Moderators

$forum_moderators = array();

if ($config['load_moderators'])

{

get_moderators($forum_moderators, $forum_id);

}

// This is only used for print view so ...

$server_path = (!$view) ? $phpbb_root_path : generate_board_url() . '/';

// Replace naughty words in title

$topic_data['topic_title'] = censor_text($topic_data['topic_title']);

$s_search_hidden_fields = array(

't' => $topic_id,

'sf' => 'msgonly',

);

if ($_SID)

{

$s_search_hidden_fields['sid'] = $_SID;

}

if (!empty($_EXTRA_URL))

{

foreach ($_EXTRA_URL as $url_param)

{

$url_param = explode('=', $url_param, 2);

$s_search_hidden_fields[$url_param[0]] = $url_param[1];

}

}

// If we've got a hightlight set pass it on to pagination.

$base_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id" . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($highlight_match) ? "&amp;hilit=$highlight" : ''));

/**

* Event to modify data before template variables are being assigned

*

* @event core.viewtopic_assign_template_vars_before

* @var string base_url URL to be passed to generate pagination

* @var int forum_id Forum ID

* @var int post_id Post ID

* @var array quickmod_array Array with quick moderation options data

* @var int start Pagination information

* @var array topic_data Array with topic data

* @var int topic_id Topic ID

* @var array topic_tracking_info Array with topic tracking data

* @var int total_posts Topic total posts count

* @var string viewtopic_url URL to the topic page

* @since 3.1.0-RC4

* @changed 3.1.2-RC1 Added viewtopic_url

*/

$vars = array(

'base_url',

'forum_id',

'post_id',

'quickmod_array',

'start',

'topic_data',

'topic_id',

'topic_tracking_info',

'total_posts',

'viewtopic_url',

);

extract($phpbb_dispatcher->trigger_event('core.viewtopic_assign_template_vars_before', compact($vars)));

$pagination->generate_template_pagination($base_url, 'pagination', 'start', $total_posts, $config['posts_per_page'], $start);

// Send vars to template

$template->assign_vars(array(

'FORUM_ID' => $forum_id,

'FORUM_NAME' => $topic_data['forum_name'],

'FORUM_DESC' => generate_text_for_display($topic_data['forum_desc'], $topic_data['forum_desc_uid'], $topic_data['forum_desc_bitfield'], $topic_data['forum_desc_options']),

'TOPIC_ID' => $topic_id,

'TOPIC_TITLE' => $topic_data['topic_title'],

'TOPIC_POSTER' => $topic_data['topic_poster'],

'TOPIC_AUTHOR_FULL' => get_username_string('full', $topic_data['topic_poster'], $topic_data['topic_first_poster_name'], $topic_data['topic_first_poster_colour']),

'TOPIC_AUTHOR_COLOUR' => get_username_string('colour', $topic_data['topic_poster'], $topic_data['topic_first_poster_name'], $topic_data['topic_first_poster_colour']),

'TOPIC_AUTHOR' => get_username_string('username', $topic_data['topic_poster'], $topic_data['topic_first_poster_name'], $topic_data['topic_first_poster_colour']),

'TOTAL_POSTS' => $user->lang('VIEW_TOPIC_POSTS', (int) $total_posts),

'U_MCP' => ($auth->acl_get('m_', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", "i=main&amp;mode=topic_view&amp;t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start") . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '')) : '',

'MODERATORS' => (isset($forum_moderators[$forum_id]) && count($forum_moderators[$forum_id])) ? implode($user->lang['COMMA_SEPARATOR'], $forum_moderators[$forum_id]) : '',

'POST_IMG' => ($topic_data['forum_status'] == ITEM_LOCKED) ? $user->img('button_topic_locked', 'FORUM_LOCKED') : $user->img('button_topic_new', 'POST_NEW_TOPIC'),

'QUOTE_IMG' => $user->img('icon_post_quote', 'REPLY_WITH_QUOTE'),

'REPLY_IMG' => ($topic_data['forum_status'] == ITEM_LOCKED || $topic_data['topic_status'] == ITEM_LOCKED) ? $user->img('button_topic_locked', 'TOPIC_LOCKED') : $user->img('button_topic_reply', 'REPLY_TO_TOPIC'),

'EDIT_IMG' => $user->img('icon_post_edit', 'EDIT_POST'),

'DELETE_IMG' => $user->img('icon_post_delete', 'DELETE_POST'),

'DELETED_IMG' => $user->img('icon_topic_deleted', 'POST_DELETED_RESTORE'),

'INFO_IMG' => $user->img('icon_post_info', 'VIEW_INFO'),

'PROFILE_IMG' => $user->img('icon_user_profile', 'READ_PROFILE'),

'SEARCH_IMG' => $user->img('icon_user_search', 'SEARCH_USER_POSTS'),

'PM_IMG' => $user->img('icon_contact_pm', 'SEND_PRIVATE_MESSAGE'),

'EMAIL_IMG' => $user->img('icon_contact_email', 'SEND_EMAIL'),

'REPORT_IMG' => $user->img('icon_post_report', 'REPORT_POST'),

'REPORTED_IMG' => $user->img('icon_topic_reported', 'POST_REPORTED'),

'UNAPPROVED_IMG' => $user->img('icon_topic_unapproved', 'POST_UNAPPROVED'),

'WARN_IMG' => $user->img('icon_user_warn', 'WARN_USER'),

'S_IS_LOCKED' => ($topic_data['topic_status'] == ITEM_UNLOCKED && $topic_data['forum_status'] == ITEM_UNLOCKED) ? false : true,

'S_SELECT_SORT_DIR' => $s_sort_dir,

'S_SELECT_SORT_KEY' => $s_sort_key,

'S_SELECT_SORT_DAYS' => $s_limit_days,

'S_SINGLE_MODERATOR' => (!empty($forum_moderators[$forum_id]) && count($forum_moderators[$forum_id]) > 1) ? false : true,

'S_TOPIC_ACTION' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start")),

'S_MOD_ACTION' => $s_quickmod_action,

'L_RETURN_TO_FORUM' => $user->lang('RETURN_TO', $topic_data['forum_name']),

'S_VIEWTOPIC' => true,

'S_UNREAD_VIEW' => $view == 'unread',

'S_DISPLAY_SEARCHBOX' => ($auth->acl_get('u_search') && $auth->acl_get('f_search', $forum_id) && $config['load_search']) ? true : false,

'S_SEARCHBOX_ACTION' => append_sid("{$phpbb_root_path}search.$phpEx"),

'S_SEARCH_LOCAL_HIDDEN_FIELDS' => build_hidden_fields($s_search_hidden_fields),

'S_DISPLAY_POST_INFO' => ($topic_data['forum_type'] == FORUM_POST && ($auth->acl_get('f_post', $forum_id) || $user->data['user_id'] == ANONYMOUS)) ? true : false,

'S_DISPLAY_REPLY_INFO' => ($topic_data['forum_type'] == FORUM_POST && ($auth->acl_get('f_reply', $forum_id) || $user->data['user_id'] == ANONYMOUS)) ? true : false,

'S_ENABLE_FEEDS_TOPIC' => ($config['feed_topic'] && !phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $topic_data['forum_options'])) ? true : false,

'U_TOPIC' => "{$server_path}viewtopic.$phpEx?t=$topic_id",

'U_FORUM' => $server_path,

'U_VIEW_TOPIC' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start") . (strlen($u_sort_param) ? "&amp;$u_sort_param" : '')),

'U_CANONICAL' => generate_board_url() . '/' . append_sid("viewtopic.$phpEx", "t=$topic_id" . (($start) ? "&amp;start=$start" : ''), true, ''),

'U_VIEW_FORUM' => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $forum_id),

'U_VIEW_OLDER_TOPIC' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id&amp;view=previous"),

'U_VIEW_NEWER_TOPIC' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id&amp;view=next"),

'U_PRINT_TOPIC' => ($auth->acl_get('f_print', $forum_id)) ? $viewtopic_url . '&amp;view=print' : '',

'U_EMAIL_TOPIC' => ($auth->acl_get('f_email', $forum_id) && $config['email_enable']) ? append_sid("{$phpbb_root_path}memberlist.$phpEx", "mode=email&amp;t=$topic_id") : '',

'U_WATCH_TOPIC' => $s_watching_topic['link'],

'U_WATCH_TOPIC_TOGGLE' => $s_watching_topic['link_toggle'],

'S_WATCH_TOPIC_TITLE' => $s_watching_topic['title'],

'S_WATCH_TOPIC_TOGGLE' => $s_watching_topic['title_toggle'],

'S_WATCHING_TOPIC' => $s_watching_topic['is_watching'],

'U_BOOKMARK_TOPIC' => ($user->data['is_registered'] && $config['allow_bookmarks']) ? $viewtopic_url . '&amp;bookmark=1&amp;hash=' . generate_link_hash("topic_$topic_id") : '',

'S_BOOKMARK_TOPIC' => ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],

'S_BOOKMARK_TOGGLE' => (!$user->data['is_registered'] || !$config['allow_bookmarks'] || !$topic_data['bookmarked']) ? $user->lang['BOOKMARK_TOPIC_REMOVE'] : $user->lang['BOOKMARK_TOPIC'],

'S_BOOKMARKED_TOPIC' => ($user->data['is_registered'] && $config['allow_bookmarks'] && $topic_data['bookmarked']) ? true : false,

'U_POST_NEW_TOPIC' => ($auth->acl_get('f_post', $forum_id) || $user->data['user_id'] == ANONYMOUS) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=post&amp;f=$forum_id") : '',

'U_POST_REPLY_TOPIC' => ($auth->acl_get('f_reply', $forum_id) || $user->data['user_id'] == ANONYMOUS) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=reply&amp;t=$topic_id") : '',

'U_BUMP_TOPIC' => (bump_topic_allowed($forum_id, $topic_data['topic_bumped'], $topic_data['topic_last_post_time'], $topic_data['topic_poster'], $topic_data['topic_last_poster_id'])) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=bump&amp;t=$topic_id&amp;hash=" . generate_link_hash("topic_$topic_id")) : '')

);

// Does this topic contain a poll?

if (!empty($topic_data['poll_start']))

{

$sql = 'SELECT o.*, p.bbcode_bitfield, p.bbcode_uid

FROM ' . POLL_OPTIONS_TABLE . ' o, ' . POSTS_TABLE . " p

WHERE o.topic_id = $topic_id

AND p.post_id = {$topic_data['topic_first_post_id']}

AND p.topic_id = o.topic_id

ORDER BY o.poll_option_id";

$result = $db->sql_query($sql);

$poll_info = $vote_counts = array();

while ($row = $db->sql_fetchrow($result))

{

$poll_info[] = $row;

$option_id = (int) $row['poll_option_id'];

$vote_counts[$option_id] = (int) $row['poll_option_total'];

}

$db->sql_freeresult($result);

$cur_voted_id = array();

if ($user->data['is_registered'])

{

$sql = 'SELECT poll_option_id

FROM ' . POLL_VOTES_TABLE . '

WHERE topic_id = ' . $topic_id . '

AND vote_user_id = ' . $user->data['user_id'];

$result = $db->sql_query($sql);

while ($row = $db->sql_fetchrow($result))

{

$cur_voted_id[] = $row['poll_option_id'];

}

$db->sql_freeresult($result);

}

else

{

// Cookie based guest tracking ... I don't like this but hum ho

// it's oft requested. This relies on "nice" users who don't feel

// the need to delete cookies to mess with results.

if ($request->is_set($config['cookie_name'] . '_poll_' . $topic_id, \phpbb\request\request_interface::COOKIE))

{

$cur_voted_id = explode(',', $request->variable($config['cookie_name'] . '_poll_' . $topic_id, '', true, \phpbb\request\request_interface::COOKIE));

$cur_voted_id = array_map('intval', $cur_voted_id);

}

}

// Can not vote at all if no vote permission

$s_can_vote = ($auth->acl_get('f_vote', $forum_id) &&

(($topic_data['poll_length'] != 0 && $topic_data['poll_start'] + $topic_data['poll_length'] > time()) || $topic_data['poll_length'] == 0) &&

$topic_data['topic_status'] != ITEM_LOCKED &&

$topic_data['forum_status'] != ITEM_LOCKED &&

(!count($cur_voted_id) ||

($auth->acl_get('f_votechg', $forum_id) && $topic_data['poll_vote_change']))) ? true : false;

$s_display_results = (!$s_can_vote || ($s_can_vote && count($cur_voted_id)) || $view == 'viewpoll') ? true : false;

/**

* Event to manipulate the poll data

*

* @event core.viewtopic_modify_poll_data

* @var array cur_voted_id Array with options' IDs current user has voted for

* @var int forum_id The topic's forum id

* @var array poll_info Array with the poll information

* @var bool s_can_vote Flag indicating if a user can vote

* @var bool s_display_results Flag indicating if results or poll options should be displayed

* @var int topic_id The id of the topic the user tries to access

* @var array topic_data All the information from the topic and forum tables for this topic

* @var string viewtopic_url URL to the topic page

* @var array vote_counts Array with the vote counts for every poll option

* @var array voted_id Array with updated options' IDs current user is voting for

* @since 3.1.5-RC1

*/

$vars = array(

'cur_voted_id',

'forum_id',

'poll_info',

's_can_vote',

's_display_results',

'topic_id',

'topic_data',

'viewtopic_url',

'vote_counts',

'voted_id',

);

extract($phpbb_dispatcher->trigger_event('core.viewtopic_modify_poll_data', compact($vars)));

if ($update && $s_can_vote)

{

if (!count($voted_id) || count($voted_id) > $topic_data['poll_max_options'] || in_array(VOTE_CONVERTED, $cur_voted_id) || !check_form_key('posting'))

{

$redirect_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", "t=$topic_id" . (($start == 0) ? '' : "&amp;start=$start"));

meta_refresh(5, $redirect_url);

if (!count($voted_id))

{

$message = 'NO_VOTE_OPTION';

}

else if (count($voted_id) > $topic_data['poll_max_options'])

{

$message = 'TOO_MANY_VOTE_OPTIONS';

}

else if (in_array(VOTE_CONVERTED, $cur_voted_id))

{

$message = 'VOTE_CONVERTED';

}

else

{

$message = 'FORM_INVALID';

}

$message = $user->lang[$message] . '<br /><br />' . sprintf($user->lang['RETURN_TOPIC'], '<a href="' . $redirect_url . '">', '</a>');

trigger_error($message);

}

foreach ($voted_id as $option)

{

if (in_array($option, $cur_voted_id))

{

continue;

}

$sql = 'UPDATE ' . POLL_OPTIONS_TABLE . '

SET poll_option_total = poll_option_total + 1

WHERE poll_option_id = ' . (int) $option . '

AND topic_id = ' . (int) $topic_id;

$db->sql_query($sql);

$vote_counts[$option]++;

if ($user->data['is_registered'])

{

$sql_ary = array(

'topic_id' => (int) $topic_id,

'poll_option_id' => (int) $option,

'vote_user_id' => (int) $user->data['user_id'],

'vote_user_ip' => (string) $user->ip,

);

$sql = 'INSERT INTO ' . POLL_VOTES_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary);