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Load.php
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Load.php
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<?php
/**
* @name ElkArte Forum
* @copyright ElkArte Forum contributors
* @license BSD http://opensource.org/licenses/BSD-3-Clause
*
* This software is a derived product, based on:
*
* Simple Machines Forum (SMF)
* copyright: 2011 Simple Machines (http://www.simplemachines.org)
* license: BSD, See included LICENSE.TXT for terms and conditions.
*
* @version 1.0 Alpha
*
* This file has the hefty job of loading information for the forum.
*
*/
if (!defined('ELKARTE'))
die('No access...');
/**
* Load the $modSettings array.
*
* @global array $modSettings is a giant array of all of the forum-wide settings and statistics.
*/
function reloadSettings()
{
global $modSettings, $db_character_set;
$db = database();
// Most database systems have not set UTF-8 as their default input charset.
if (!empty($db_character_set))
$db->query('set_character_set', '
SET NAMES ' . $db_character_set,
array(
)
);
// Try to load it from the cache first; it'll never get cached if the setting is off.
if (($modSettings = cache_get_data('modSettings', 90)) == null)
{
$request = $db->query('', '
SELECT variable, value
FROM {db_prefix}settings',
array(
)
);
$modSettings = array();
if (!$request)
display_db_error();
while ($row = $db->fetch_row($request))
$modSettings[$row[0]] = $row[1];
$db->free_result($request);
// Do a few things to protect against missing settings or settings with invalid values...
if (empty($modSettings['defaultMaxTopics']) || $modSettings['defaultMaxTopics'] <= 0 || $modSettings['defaultMaxTopics'] > 999)
$modSettings['defaultMaxTopics'] = 20;
if (empty($modSettings['defaultMaxMessages']) || $modSettings['defaultMaxMessages'] <= 0 || $modSettings['defaultMaxMessages'] > 999)
$modSettings['defaultMaxMessages'] = 15;
if (empty($modSettings['defaultMaxMembers']) || $modSettings['defaultMaxMembers'] <= 0 || $modSettings['defaultMaxMembers'] > 999)
$modSettings['defaultMaxMembers'] = 30;
$modSettings['warning_enable'] = $modSettings['warning_settings'][0];
if (!empty($modSettings['cache_enable']))
cache_put_data('modSettings', $modSettings, 90);
}
// Setting the timezone is a requirement for some functions in PHP >= 5.1.
if (isset($modSettings['default_timezone']) && function_exists('date_default_timezone_set'))
date_default_timezone_set($modSettings['default_timezone']);
// Check the load averages?
if (!empty($modSettings['loadavg_enable']))
{
if (($modSettings['load_average'] = cache_get_data('loadavg', 90)) == null)
{
$modSettings['load_average'] = @file_get_contents('/proc/loadavg');
if (!empty($modSettings['load_average']) && preg_match('~^([^ ]+?) ([^ ]+?) ([^ ]+)~', $modSettings['load_average'], $matches) != 0)
$modSettings['load_average'] = (float) $matches[1];
elseif (($modSettings['load_average'] = @`uptime`) != null && preg_match('~load average[s]?: (\d+\.\d+), (\d+\.\d+), (\d+\.\d+)~i', $modSettings['load_average'], $matches) != 0)
$modSettings['load_average'] = (float) $matches[1];
else
unset($modSettings['load_average']);
if (!empty($modSettings['load_average']))
cache_put_data('loadavg', $modSettings['load_average'], 90);
}
if (!empty($modSettings['load_average']))
call_integration_hook('integrate_load_average', array($modSettings['load_average']));
if (!empty($modSettings['loadavg_forum']) && !empty($modSettings['load_average']) && $modSettings['load_average'] >= $modSettings['loadavg_forum'])
display_loadavg_error();
}
// Is post moderation alive and well?
$modSettings['postmod_active'] = isset($modSettings['admin_features']) ? in_array('pm', explode(',', $modSettings['admin_features'])) : true;
// Here to justify the name of this function. :P
// It should be added to the install and upgrade scripts.
// But since the convertors need to be updated also. This is easier.
if (empty($modSettings['currentAttachmentUploadDir']))
{
updateSettings(array(
'attachmentUploadDir' => serialize(array(1 => $modSettings['attachmentUploadDir'])),
'currentAttachmentUploadDir' => 1,
));
}
// Integration is cool.
if (defined('ELKARTE_INTEGRATION_SETTINGS'))
{
$integration_settings = unserialize(ELKARTE_INTEGRATION_SETTINGS);
foreach ($integration_settings as $hook => $function)
add_integration_function($hook, $function, false);
}
// Any files to pre include?
if (!empty($modSettings['integrate_pre_include']))
{
$pre_includes = explode(',', $modSettings['integrate_pre_include']);
foreach ($pre_includes as $include)
{
$include = strtr(trim($include), array('BOARDDIR' => BOARDDIR, 'SOURCEDIR' => SOURCEDIR, 'SUBSDIR' => SUBSDIR));
if (file_exists($include))
require_once($include);
}
}
// Call pre load integration functions.
call_integration_hook('integrate_pre_load');
}
/**
* Load all the important user information.
* What it does:
* - sets up the $user_info array
* - assigns $user_info['query_wanna_see_board'] for what boards the user can see.
* - first checks for cookie or integration validation.
* - uses the current session if no integration function or cookie is found.
* - checks password length, if member is activated and the login span isn't over.
* - if validation fails for the user, $id_member is set to 0.
* - updates the last visit time when needed.
*/
function loadUserSettings()
{
global $modSettings, $user_settings;
$db = database();
global $cookiename, $user_info, $language, $context;
// Check first the integration, then the cookie, and last the session.
if (count($integration_ids = call_integration_hook('integrate_verify_user')) > 0)
{
$id_member = 0;
foreach ($integration_ids as $integration_id)
{
$integration_id = (int) $integration_id;
if ($integration_id > 0)
{
$id_member = $integration_id;
$already_verified = true;
break;
}
}
}
else
$id_member = 0;
// We'll need IPs and user agent and stuff, they came to visit us with!
$req = request();
if (empty($id_member) && isset($_COOKIE[$cookiename]))
{
// Fix a security hole in PHP 4.3.9 and below...
if (preg_match('~^a:[34]:\{i:0;(i:\d{1,6}|s:[1-8]:"\d{1,8}");i:1;s:(0|40):"([a-fA-F0-9]{40})?";i:2;[id]:\d{1,14};(i:3;i:\d;)?\}$~i', $_COOKIE[$cookiename]) == 1)
{
list ($id_member, $password) = @unserialize($_COOKIE[$cookiename]);
$id_member = !empty($id_member) && strlen($password) > 0 ? (int) $id_member : 0;
}
else
$id_member = 0;
}
elseif (empty($id_member) && isset($_SESSION['login_' . $cookiename]) && ($_SESSION['USER_AGENT'] == $req->user_agent() || !empty($modSettings['disableCheckUA'])))
{
// @todo Perhaps we can do some more checking on this, such as on the first octet of the IP?
list ($id_member, $password, $login_span) = @unserialize($_SESSION['login_' . $cookiename]);
$id_member = !empty($id_member) && strlen($password) == 40 && $login_span > time() ? (int) $id_member : 0;
}
// Only load this stuff if the user isn't a guest.
if ($id_member != 0)
{
// Is the member data cached?
if (empty($modSettings['cache_enable']) || $modSettings['cache_enable'] < 2 || ($user_settings = cache_get_data('user_settings-' . $id_member, 60)) == null)
{
$request = $db->query('', '
SELECT mem.*, IFNULL(a.id_attach, 0) AS id_attach, a.filename, a.attachment_type
FROM {db_prefix}members AS mem
LEFT JOIN {db_prefix}attachments AS a ON (a.id_member = {int:id_member})
WHERE mem.id_member = {int:id_member}
LIMIT 1',
array(
'id_member' => $id_member,
)
);
$user_settings = $db->fetch_assoc($request);
$db->free_result($request);
if (!empty($modSettings['avatar_default']) && empty($user_settings['avatar']) && empty($user_settings['filename']))
$user_settings['avatar'] = 'default_avatar.png';
if (!empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 2)
cache_put_data('user_settings-' . $id_member, $user_settings, 60);
}
// Did we find 'im? If not, junk it.
if (!empty($user_settings))
{
// As much as the password should be right, we can assume the integration set things up.
if (!empty($already_verified) && $already_verified === true)
$check = true;
// SHA-1 passwords should be 40 characters long.
elseif (strlen($password) == 40)
$check = sha1($user_settings['passwd'] . $user_settings['password_salt']) == $password;
else
$check = false;
// Wrong password or not activated - either way, you're going nowhere.
$id_member = $check && ($user_settings['is_activated'] == 1 || $user_settings['is_activated'] == 11) ? (int) $user_settings['id_member'] : 0;
}
else
$id_member = 0;
// If we no longer have the member maybe they're being all hackey, stop brute force!
if (!$id_member)
validatePasswordFlood(!empty($user_settings['id_member']) ? $user_settings['id_member'] : $id_member, !empty($user_settings['passwd_flood']) ? $user_settings['passwd_flood'] : false, $id_member != 0);
}
// Found 'im, let's set up the variables.
if ($id_member != 0)
{
// Let's not update the last visit time in these cases...
// 1. SSI doesn't count as visiting the forum.
// 2. RSS feeds and XMLHTTP requests don't count either.
// 3. If it was set within this session, no need to set it again.
// 4. New session, yet updated < five hours ago? Maybe cache can help.
if (ELKARTE != 'SSI' && !isset($_REQUEST['xml']) && (!isset($_REQUEST['action']) || $_REQUEST['action'] != '.xml') && empty($_SESSION['id_msg_last_visit']) && (empty($modSettings['cache_enable']) || ($_SESSION['id_msg_last_visit'] = cache_get_data('user_last_visit-' . $id_member, 5 * 3600)) === null))
{
// @todo can this be cached?
// Do a quick query to make sure this isn't a mistake.
require_once(SUBSDIR . '/Messages.subs.php');
$visitOpt = basicMessageInfo($user_settings['id_msg_last_visit'], true);
$_SESSION['id_msg_last_visit'] = $user_settings['id_msg_last_visit'];
// If it was *at least* five hours ago...
if ($visitOpt['poster_time'] < time() - 5 * 3600)
{
updateMemberData($id_member, array('id_msg_last_visit' => (int) $modSettings['maxMsgID'], 'last_login' => time(), 'member_ip' => $req->client_ip(), 'member_ip2' => $req->ban_ip()));
$user_settings['last_login'] = time();
if (!empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 2)
cache_put_data('user_settings-' . $id_member, $user_settings, 60);
if (!empty($modSettings['cache_enable']))
cache_put_data('user_last_visit-' . $id_member, $_SESSION['id_msg_last_visit'], 5 * 3600);
}
}
elseif (empty($_SESSION['id_msg_last_visit']))
$_SESSION['id_msg_last_visit'] = $user_settings['id_msg_last_visit'];
$username = $user_settings['member_name'];
if (empty($user_settings['additional_groups']))
$user_info = array(
'groups' => array($user_settings['id_group'], $user_settings['id_post_group'])
);
else
$user_info = array(
'groups' => array_merge(
array($user_settings['id_group'], $user_settings['id_post_group']),
explode(',', $user_settings['additional_groups'])
)
);
// Because history has proven that it is possible for groups to go bad - clean up in case.
foreach ($user_info['groups'] as $k => $v)
$user_info['groups'][$k] = (int) $v;
// This is a logged in user, so definitely not a spider.
$user_info['possibly_robot'] = false;
}
// If the user is a guest, initialize all the critical user settings.
else
{
// This is what a guest's variables should be.
$username = '';
$user_info = array('groups' => array(-1));
$user_settings = array();
if (isset($_COOKIE[$cookiename]))
$_COOKIE[$cookiename] = '';
// Create a login token if it doesn't exist yet.
if (!isset($_SESSION['token']['post-login']))
createToken('login');
else
list ($context['login_token_var'],,, $context['login_token']) = $_SESSION['token']['post-login'];
// Do we perhaps think this is a search robot? Check every five minutes just in case...
if ((!empty($modSettings['spider_mode']) || !empty($modSettings['spider_group'])) && (!isset($_SESSION['robot_check']) || $_SESSION['robot_check'] < time() - 300))
{
require_once(SUBSDIR . '/SearchEngines.subs.php');
$user_info['possibly_robot'] = spiderCheck();
}
elseif (!empty($modSettings['spider_mode']))
$user_info['possibly_robot'] = isset($_SESSION['id_robot']) ? $_SESSION['id_robot'] : 0;
// If we haven't turned on proper spider hunts then have a guess!
else
{
$ci_user_agent = strtolower($req->user_agent());
$user_info['possibly_robot'] = (strpos($ci_user_agent, 'mozilla') === false && strpos($ci_user_agent, 'opera') === false) || strpos($ci_user_agent, 'googlebot') !== false || strpos($ci_user_agent, 'slurp') !== false || strpos($ci_user_agent, 'crawl') !== false || strpos($ci_user_agent, 'msnbot') !== false;
}
}
// Set up the $user_info array.
$user_info += array(
'id' => $id_member,
'username' => $username,
'name' => isset($user_settings['real_name']) ? $user_settings['real_name'] : '',
'email' => isset($user_settings['email_address']) ? $user_settings['email_address'] : '',
'passwd' => isset($user_settings['passwd']) ? $user_settings['passwd'] : '',
'language' => empty($user_settings['lngfile']) || empty($modSettings['userLanguage']) ? $language : $user_settings['lngfile'],
'is_guest' => $id_member == 0,
'is_admin' => in_array(1, $user_info['groups']),
'theme' => empty($user_settings['id_theme']) ? 0 : $user_settings['id_theme'],
'last_login' => empty($user_settings['last_login']) ? 0 : $user_settings['last_login'],
'ip' => $req->client_ip(),
'ip2' => $req->ban_ip(),
'posts' => empty($user_settings['posts']) ? 0 : $user_settings['posts'],
'time_format' => empty($user_settings['time_format']) ? $modSettings['time_format'] : $user_settings['time_format'],
'time_offset' => empty($user_settings['time_offset']) ? 0 : $user_settings['time_offset'],
'avatar' => array(
'url' => isset($user_settings['avatar']) ? $user_settings['avatar'] : '',
'filename' => empty($user_settings['filename']) ? '' : $user_settings['filename'],
'custom_dir' => !empty($user_settings['attachment_type']) && $user_settings['attachment_type'] == 1,
'id_attach' => isset($user_settings['id_attach']) ? $user_settings['id_attach'] : 0
),
'smiley_set' => isset($user_settings['smiley_set']) ? $user_settings['smiley_set'] : '',
'messages' => empty($user_settings['instant_messages']) ? 0 : $user_settings['instant_messages'],
'unread_messages' => empty($user_settings['unread_messages']) ? 0 : $user_settings['unread_messages'],
'total_time_logged_in' => empty($user_settings['total_time_logged_in']) ? 0 : $user_settings['total_time_logged_in'],
'buddies' => !empty($modSettings['enable_buddylist']) && !empty($user_settings['buddy_list']) ? explode(',', $user_settings['buddy_list']) : array(),
'ignoreboards' => !empty($user_settings['ignore_boards']) && !empty($modSettings['allow_ignore_boards']) ? explode(',', $user_settings['ignore_boards']) : array(),
'ignoreusers' => !empty($user_settings['pm_ignore_list']) ? explode(',', $user_settings['pm_ignore_list']) : array(),
'warning' => isset($user_settings['warning']) ? $user_settings['warning'] : 0,
'permissions' => array(),
);
$user_info['groups'] = array_unique($user_info['groups']);
// Make sure that the last item in the ignore boards array is valid. If the list was too long it could have an ending comma that could cause problems.
if (!empty($user_info['ignoreboards']) && empty($user_info['ignoreboards'][$tmp = count($user_info['ignoreboards']) - 1]))
unset($user_info['ignoreboards'][$tmp]);
// Do we have any languages to validate this?
if (!empty($modSettings['userLanguage']) && (!empty($_GET['language']) || !empty($_SESSION['language'])))
$languages = getLanguages();
// Allow the user to change their language if its valid.
if (!empty($modSettings['userLanguage']) && !empty($_GET['language']) && isset($languages[strtr($_GET['language'], './\\:', '____')]))
{
$user_info['language'] = strtr($_GET['language'], './\\:', '____');
$_SESSION['language'] = $user_info['language'];
}
elseif (!empty($modSettings['userLanguage']) && !empty($_SESSION['language']) && isset($languages[strtr($_SESSION['language'], './\\:', '____')]))
$user_info['language'] = strtr($_SESSION['language'], './\\:', '____');
// Just build this here, it makes it easier to change/use - administrators can see all boards.
if ($user_info['is_admin'])
$user_info['query_see_board'] = '1=1';
// Otherwise just the groups in $user_info['groups'].
else
$user_info['query_see_board'] = '((FIND_IN_SET(' . implode(', b.member_groups) != 0 OR FIND_IN_SET(', $user_info['groups']) . ', b.member_groups) != 0)' . (!empty($modSettings['deny_boards_access']) ? ' AND (FIND_IN_SET(' . implode(', b.deny_member_groups) = 0 AND FIND_IN_SET(', $user_info['groups']) . ', b.deny_member_groups) = 0)' : '') . (isset($user_info['mod_cache']) ? ' OR ' . $user_info['mod_cache']['mq'] : '') . ')';
// Build the list of boards they WANT to see.
// This will take the place of query_see_boards in certain spots, so it better include the boards they can see also
// If they aren't ignoring any boards then they want to see all the boards they can see
if (empty($user_info['ignoreboards']))
$user_info['query_wanna_see_board'] = $user_info['query_see_board'];
// Ok I guess they don't want to see all the boards
else
$user_info['query_wanna_see_board'] = '(' . $user_info['query_see_board'] . ' AND b.id_board NOT IN (' . implode(',', $user_info['ignoreboards']) . '))';
call_integration_hook('integrate_user_info');
}
/**
* Check for moderators and see if they have access to the board.
* What it does:
* - sets up the $board_info array for current board information.
* - if cache is enabled, the $board_info array is stored in cache.
* - redirects to appropriate post if only message id is requested.
* - is only used when inside a topic or board.
* - determines the local moderators for the board.
* - adds group id 3 if the user is a local moderator for the board they are in.
* - prevents access if user is not in proper group nor a local moderator of the board.
*/
function loadBoard()
{
global $txt, $scripturl, $context, $modSettings;
global $board_info, $board, $topic, $user_info;
$db = database();
// Assume they are not a moderator.
$user_info['is_mod'] = false;
$context['user']['is_mod'] = &$user_info['is_mod'];
// Start the linktree off empty..
$context['linktree'] = array();
// Have they by chance specified a message id but nothing else?
if (empty($_REQUEST['action']) && empty($topic) && empty($board) && !empty($_REQUEST['msg']))
{
// Make sure the message id is really an int.
$_REQUEST['msg'] = (int) $_REQUEST['msg'];
// Looking through the message table can be slow, so try using the cache first.
if (($topic = cache_get_data('msg_topic-' . $_REQUEST['msg'], 120)) === NULL)
{
require_once(SUBSDIR . '/Messages.subs.php');
$topic = associatedTopic($_REQUEST['msg']);
// So did it find anything?
if ($topic !== false)
{
$topic = $topic;
// Save save save.
cache_put_data('msg_topic-' . $_REQUEST['msg'], $topic, 120);
}
}
// Remember redirection is the key to avoiding fallout from your bosses.
if (!empty($topic))
redirectexit('topic=' . $topic . '.msg' . $_REQUEST['msg'] . '#msg' . $_REQUEST['msg']);
else
{
loadPermissions();
loadTheme();
fatal_lang_error('topic_gone', false);
}
}
// Load this board only if it is specified.
if (empty($board) && empty($topic))
{
$board_info = array('moderators' => array());
return;
}
if (!empty($modSettings['cache_enable']) && (empty($topic) || $modSettings['cache_enable'] >= 3))
{
// @todo SLOW?
if (!empty($topic))
$temp = cache_get_data('topic_board-' . $topic, 120);
else
$temp = cache_get_data('board-' . $board, 120);
if (!empty($temp))
{
$board_info = $temp;
$board = $board_info['id'];
}
}
if (empty($temp))
{
$request = $db->query('', '
SELECT
c.id_cat, b.name AS bname, b.description, b.num_topics, b.member_groups, b.deny_member_groups,
b.id_parent, c.name AS cname, IFNULL(mem.id_member, 0) AS id_moderator,
mem.real_name' . (!empty($topic) ? ', b.id_board' : '') . ', b.child_level,
b.id_theme, b.override_theme, b.count_posts, b.id_profile, b.redirect,
b.unapproved_topics, b.unapproved_posts' . (!empty($topic) ? ', t.approved, t.id_member_started' : '') . '
FROM {db_prefix}boards AS b' . (!empty($topic) ? '
INNER JOIN {db_prefix}topics AS t ON (t.id_topic = {int:current_topic})' : '') . '
LEFT JOIN {db_prefix}categories AS c ON (c.id_cat = b.id_cat)
LEFT JOIN {db_prefix}moderators AS mods ON (mods.id_board = {raw:board_link})
LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = mods.id_member)
WHERE b.id_board = {raw:board_link}',
array(
'current_topic' => $topic,
'board_link' => empty($topic) ? $db->quote('{int:current_board}', array('current_board' => $board)) : 't.id_board',
)
);
// If there aren't any, skip.
if ($db->num_rows($request) > 0)
{
$row = $db->fetch_assoc($request);
// Set the current board.
if (!empty($row['id_board']))
$board = $row['id_board'];
// Basic operating information. (globals... :/)
$board_info = array(
'id' => $board,
'moderators' => array(),
'cat' => array(
'id' => $row['id_cat'],
'name' => $row['cname']
),
'name' => $row['bname'],
'description' => $row['description'],
'num_topics' => $row['num_topics'],
'unapproved_topics' => $row['unapproved_topics'],
'unapproved_posts' => $row['unapproved_posts'],
'unapproved_user_topics' => 0,
'parent_boards' => getBoardParents($row['id_parent']),
'parent' => $row['id_parent'],
'child_level' => $row['child_level'],
'theme' => $row['id_theme'],
'override_theme' => !empty($row['override_theme']),
'profile' => $row['id_profile'],
'redirect' => $row['redirect'],
'posts_count' => empty($row['count_posts']),
'cur_topic_approved' => empty($topic) || $row['approved'],
'cur_topic_starter' => empty($topic) ? 0 : $row['id_member_started'],
);
// Load the membergroups allowed, and check permissions.
$board_info['groups'] = $row['member_groups'] == '' ? array() : explode(',', $row['member_groups']);
$board_info['deny_groups'] = $row['deny_member_groups'] == '' ? array() : explode(',', $row['deny_member_groups']);
do
{
if (!empty($row['id_moderator']))
$board_info['moderators'][$row['id_moderator']] = array(
'id' => $row['id_moderator'],
'name' => $row['real_name'],
'href' => $scripturl . '?action=profile;u=' . $row['id_moderator'],
'link' => '<a href="' . $scripturl . '?action=profile;u=' . $row['id_moderator'] . '">' . $row['real_name'] . '</a>'
);
}
while ($row = $db->fetch_assoc($request));
// If the board only contains unapproved posts and the user isn't an approver then they can't see any topics.
// If that is the case do an additional check to see if they have any topics waiting to be approved.
if ($board_info['num_topics'] == 0 && $modSettings['postmod_active'] && !allowedTo('approve_posts'))
{
// Free the previous result
$db->free_result($request);
// @todo why is this using id_topic?
// @todo Can this get cached?
$request = $db->query('', '
SELECT COUNT(id_topic)
FROM {db_prefix}topics
WHERE id_member_started={int:id_member}
AND approved = {int:unapproved}
AND id_board = {int:board}',
array(
'id_member' => $user_info['id'],
'unapproved' => 0,
'board' => $board,
)
);
list ($board_info['unapproved_user_topics']) = $db->fetch_row($request);
}
if (!empty($modSettings['cache_enable']) && (empty($topic) || $modSettings['cache_enable'] >= 3))
{
// @todo SLOW?
if (!empty($topic))
cache_put_data('topic_board-' . $topic, $board_info, 120);
cache_put_data('board-' . $board, $board_info, 120);
}
}
else
{
// Otherwise the topic is invalid, there are no moderators, etc.
$board_info = array(
'moderators' => array(),
'error' => 'exist'
);
$topic = null;
$board = 0;
}
$db->free_result($request);
}
if (!empty($topic))
$_GET['board'] = (int) $board;
if (!empty($board))
{
// Now check if the user is a moderator.
$user_info['is_mod'] = isset($board_info['moderators'][$user_info['id']]);
if (count(array_intersect($user_info['groups'], $board_info['groups'])) == 0 && !$user_info['is_admin'])
$board_info['error'] = 'access';
if (!empty($modSettings['deny_boards_access']) && count(array_intersect($user_info['groups'], $board_info['deny_groups'])) != 0 && !$user_info['is_admin'])
$board_info['error'] = 'access';
// Build up the linktree.
$context['linktree'] = array_merge(
$context['linktree'],
array(array(
'url' => $scripturl . '#c' . $board_info['cat']['id'],
'name' => $board_info['cat']['name']
)),
array_reverse($board_info['parent_boards']),
array(array(
'url' => $scripturl . '?board=' . $board . '.0',
'name' => $board_info['name']
))
);
}
// Set the template contextual information.
$context['user']['is_mod'] = &$user_info['is_mod'];
$context['current_topic'] = $topic;
$context['current_board'] = $board;
// Hacker... you can't see this topic, I'll tell you that. (but moderators can!)
if (!empty($board_info['error']) && (!empty($modSettings['deny_boards_access']) || $board_info['error'] != 'access' || !$user_info['is_mod']))
{
// The permissions and theme need loading, just to make sure everything goes smoothly.
loadPermissions();
loadTheme();
$_GET['board'] = '';
$_GET['topic'] = '';
// The linktree should not give the game away mate!
$context['linktree'] = array(
array(
'url' => $scripturl,
'name' => $context['forum_name_html_safe']
)
);
// If it's a prefetching agent or we're requesting an attachment.
if ((isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') || (!empty($_REQUEST['action']) && $_REQUEST['action'] === 'dlattach'))
{
ob_end_clean();
header('HTTP/1.1 403 Forbidden');
die;
}
elseif ($user_info['is_guest'])
{
loadLanguage('Errors');
is_not_guest($txt['topic_gone']);
}
else
fatal_lang_error('topic_gone', false);
}
if ($user_info['is_mod'])
$user_info['groups'][] = 3;
}
/**
* Load this user's permissions.
*
*/
function loadPermissions()
{
global $user_info, $board, $board_info, $modSettings;
$db = database();
if ($user_info['is_admin'])
{
banPermissions();
return;
}
if (!empty($modSettings['cache_enable']))
{
$cache_groups = $user_info['groups'];
asort($cache_groups);
$cache_groups = implode(',', $cache_groups);
// If it's a spider then cache it different.
if ($user_info['possibly_robot'])
$cache_groups .= '-spider';
if ($modSettings['cache_enable'] >= 2 && !empty($board) && ($temp = cache_get_data('permissions:' . $cache_groups . ':' . $board, 240)) != null && time() - 240 > $modSettings['settings_updated'])
{
list ($user_info['permissions']) = $temp;
banPermissions();
return;
}
elseif (($temp = cache_get_data('permissions:' . $cache_groups, 240)) != null && time() - 240 > $modSettings['settings_updated'])
list ($user_info['permissions'], $removals) = $temp;
}
// If it is detected as a robot, and we are restricting permissions as a special group - then implement this.
$spider_restrict = $user_info['possibly_robot'] && !empty($modSettings['spider_group']) ? ' OR (id_group = {int:spider_group} AND add_deny = 0)' : '';
if (empty($user_info['permissions']))
{
// Get the general permissions.
$request = $db->query('', '
SELECT permission, add_deny
FROM {db_prefix}permissions
WHERE id_group IN ({array_int:member_groups})
' . $spider_restrict,
array(
'member_groups' => $user_info['groups'],
'spider_group' => !empty($modSettings['spider_group']) ? $modSettings['spider_group'] : 0,
)
);
$removals = array();
while ($row = $db->fetch_assoc($request))
{
if (empty($row['add_deny']))
$removals[] = $row['permission'];
else
$user_info['permissions'][] = $row['permission'];
}
$db->free_result($request);
if (isset($cache_groups))
cache_put_data('permissions:' . $cache_groups, array($user_info['permissions'], $removals), 240);
}
// Get the board permissions.
if (!empty($board))
{
// Make sure the board (if any) has been loaded by loadBoard().
if (!isset($board_info['profile']))
fatal_lang_error('no_board');
$request = $db->query('', '
SELECT permission, add_deny
FROM {db_prefix}board_permissions
WHERE (id_group IN ({array_int:member_groups})
' . $spider_restrict . ')
AND id_profile = {int:id_profile}',
array(
'member_groups' => $user_info['groups'],
'id_profile' => $board_info['profile'],
'spider_group' => !empty($modSettings['spider_group']) ? $modSettings['spider_group'] : 0,
)
);
while ($row = $db->fetch_assoc($request))
{
if (empty($row['add_deny']))
$removals[] = $row['permission'];
else
$user_info['permissions'][] = $row['permission'];
}
$db->free_result($request);
}
// Remove all the permissions they shouldn't have ;).
if (!empty($modSettings['permission_enable_deny']))
$user_info['permissions'] = array_diff($user_info['permissions'], $removals);
if (isset($cache_groups) && !empty($board) && $modSettings['cache_enable'] >= 2)
cache_put_data('permissions:' . $cache_groups . ':' . $board, array($user_info['permissions'], null), 240);
// Banned? Watch, don't touch..
banPermissions();
// Load the mod cache so we can know what additional boards they should see, but no sense in doing it for guests
if (!$user_info['is_guest'])
{
if (!isset($_SESSION['mc']) || $_SESSION['mc']['time'] <= $modSettings['settings_updated'])
{
require_once(SUBSDIR . '/Auth.subs.php');
rebuildModCache();
}
else
$user_info['mod_cache'] = $_SESSION['mc'];
}
}
/**
* Loads an array of users' data by ID or member_name.
*
* @param mixed $users An array of users by id or name
* @param bool $is_name = false $users is by name or by id
* @param string $set = 'normal' What kind of data to load (normal, profile, minimal)
* @return array|bool The ids of the members loaded or false
*/
function loadMemberData($users, $is_name = false, $set = 'normal')
{
global $user_profile, $modSettings, $board_info, $context;
$db = database();
// Can't just look for no users :P.
if (empty($users))
return false;
// Pass the set value
$context['loadMemberContext_set'] = $set;
// Make sure it's an array.
$users = !is_array($users) ? array($users) : array_unique($users);
$loaded_ids = array();
if (!$is_name && !empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 3)
{
$users = array_values($users);
for ($i = 0, $n = count($users); $i < $n; $i++)
{
$data = cache_get_data('member_data-' . $set . '-' . $users[$i], 240);
if ($data == null)
continue;
$loaded_ids[] = $data['id_member'];
$user_profile[$data['id_member']] = $data;
unset($users[$i]);
}
}
// Used by default
$select_columns = '
IFNULL(lo.log_time, 0) AS is_online, IFNULL(a.id_attach, 0) AS id_attach, a.filename, a.attachment_type,
mem.signature, mem.personal_text, mem.location, mem.gender, mem.avatar, mem.id_member, mem.member_name,
mem.real_name, mem.email_address, mem.hide_email, mem.date_registered, mem.website_title, mem.website_url,
mem.birthdate, mem.member_ip, mem.member_ip2, mem.posts, mem.last_login, mem.likes_given, mem.likes_received,
mem.karma_good, mem.id_post_group, mem.karma_bad, mem.lngfile, mem.id_group, mem.time_offset, mem.show_online,
mg.online_color AS member_group_color, IFNULL(mg.group_name, {string:blank_string}) AS member_group,
pg.online_color AS post_group_color, IFNULL(pg.group_name, {string:blank_string}) AS post_group,
mem.is_activated, mem.warning, ' . (!empty($modSettings['titlesEnable']) ? 'mem.usertitle, ' : '') . '
CASE WHEN mem.id_group = 0 OR mg.icons = {string:blank_string} THEN pg.icons ELSE mg.icons END AS icons';
$select_tables = '
LEFT JOIN {db_prefix}log_online AS lo ON (lo.id_member = mem.id_member)
LEFT JOIN {db_prefix}attachments AS a ON (a.id_member = mem.id_member)
LEFT JOIN {db_prefix}membergroups AS pg ON (pg.id_group = mem.id_post_group)
LEFT JOIN {db_prefix}membergroups AS mg ON (mg.id_group = mem.id_group)';
// We add or replace according to the set
switch ($set)
{
case 'normal':
$select_columns .= ', mem.buddy_list';
break;
case 'profile':
$select_columns .= ', mem.openid_uri, mem.id_theme, mem.pm_ignore_list, mem.pm_email_notify, mem.pm_receive_from,
mem.time_format, mem.secret_question, mem.additional_groups, mem.smiley_set,
mem.total_time_logged_in, mem.notify_announcements, mem.notify_regularity, mem.notify_send_body,
mem.notify_types, lo.url, mem.ignore_boards, mem.password_salt, mem.pm_prefs, mem.buddy_list';
break;
case 'minimal':
$select_columns = '
mem.id_member, mem.member_name, mem.real_name, mem.email_address, mem.hide_email, mem.date_registered,
mem.posts, mem.last_login, mem.member_ip, mem.member_ip2, mem.lngfile, mem.id_group';
$select_tables = '';
break;
default:
trigger_error('loadMemberData(): Invalid member data set \'' . $set . '\'', E_USER_WARNING);
}
// Allow mods to easily add to the selected member data
call_integration_hook('integrate_load_member_data', array(&$select_columns, &$select_tables, $set));
if (!empty($users))
{
// Load the member's data.
$request = $db->query('', '
SELECT' . $select_columns . '
FROM {db_prefix}members AS mem' . $select_tables . '
WHERE mem.' . ($is_name ? 'member_name' : 'id_member') . (count($users) == 1 ? ' = {' . ($is_name ? 'string' : 'int') . ':users}' : ' IN ({' . ($is_name ? 'array_string' : 'array_int') . ':users})'),
array(
'blank_string' => '',
'users' => count($users) == 1 ? current($users) : $users,
)
);
$new_loaded_ids = array();
while ($row = $db->fetch_assoc($request))
{
$new_loaded_ids[] = $row['id_member'];
$loaded_ids[] = $row['id_member'];
$row['options'] = array();
$user_profile[$row['id_member']] = $row;
}
$db->free_result($request);
}
if (!empty($new_loaded_ids) && $set !== 'minimal')
{
$request = $db->query('', '
SELECT *
FROM {db_prefix}themes
WHERE id_member' . (count($new_loaded_ids) == 1 ? ' = {int:loaded_ids}' : ' IN ({array_int:loaded_ids})'),
array(
'loaded_ids' => count($new_loaded_ids) == 1 ? $new_loaded_ids[0] : $new_loaded_ids,
)
);
while ($row = $db->fetch_assoc($request))
$user_profile[$row['id_member']]['options'][$row['variable']] = $row['value'];
$db->free_result($request);
}
if (!empty($new_loaded_ids) && !empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 3)
{
for ($i = 0, $n = count($new_loaded_ids); $i < $n; $i++)
cache_put_data('member_data-' . $set . '-' . $new_loaded_ids[$i], $user_profile[$new_loaded_ids[$i]], 240);
}
// Are we loading any moderators? If so, fix their group data...
if (!empty($loaded_ids) && !empty($board_info['moderators']) && $set === 'normal' && count($temp_mods = array_intersect($loaded_ids, array_keys($board_info['moderators']))) !== 0)
{
if (($group_info = cache_get_data('moderator_group_info', 480)) == null)
{
require_once(SUBSDIR . '/Membergroups.subs.php');
$group_info = membergroupById(3, true);
cache_put_data('moderator_group_info', $group_info, 480);
}
foreach ($temp_mods as $id)
{
// By popular demand, don't show admins or global moderators as moderators.
if ($user_profile[$id]['id_group'] != 1 && $user_profile[$id]['id_group'] != 2)
$user_profile[$id]['member_group'] = $group_info['group_name'];
// If the Moderator group has no color or icons, but their group does... don't overwrite.
if (!empty($group_info['icons']))
$user_profile[$id]['icons'] = $group_info['icons'];
if (!empty($group_info['online_color']))
$user_profile[$id]['member_group_color'] = $group_info['online_color'];
}
}
return empty($loaded_ids) ? false : $loaded_ids;
}
/**
* Loads the user's basic values... meant for template/theme usage.
*
* @param int $user
* @param bool $display_custom_fields = false
* @return boolean
*/
function loadMemberContext($user, $display_custom_fields = false)
{
global $memberContext, $user_profile, $txt, $scripturl, $user_info;
global $context, $modSettings, $settings;
static $dataLoaded = array();
// If this person's data is already loaded, skip it.
if (isset($dataLoaded[$user]))
return true;
// We can't load guests or members not loaded by loadMemberData()!
if ($user == 0)
return false;
if (!isset($user_profile[$user]))
{
trigger_error('loadMemberContext(): member id ' . $user . ' not previously loaded by loadMemberData()', E_USER_WARNING);
return false;
}
// Well, it's loaded now anyhow.
$dataLoaded[$user] = true;
$profile = $user_profile[$user];
// Censor everything.
censorText($profile['signature']);
censorText($profile['personal_text']);
censorText($profile['location']);
// Set things up to be used before hand.
$gendertxt = $profile['gender'] == 2 ? $txt['female'] : ($profile['gender'] == 1 ? $txt['male'] : '');
$profile['signature'] = str_replace(array("\n", "\r"), array('<br />', ''), $profile['signature']);
$profile['signature'] = parse_bbc($profile['signature'], true, 'sig' . $profile['id_member']);
$profile['is_online'] = (!empty($profile['show_online']) || allowedTo('moderate_forum')) && $profile['is_online'] > 0;
$profile['icons'] = empty($profile['icons']) ? array('', '') : explode('#', $profile['icons']);
// Setup the buddy status here (One whole in_array call saved :P)
$profile['buddy'] = in_array($profile['id_member'], $user_info['buddies']);
$buddy_list = !empty($profile['buddy_list']) ? explode(',', $profile['buddy_list']) : array();
// If we're always html resizing, assume it's too large.
if ($modSettings['avatar_action_too_large'] == 'option_html_resize' || $modSettings['avatar_action_too_large'] == 'option_js_resize')
{
$avatar_width = !empty($modSettings['avatar_max_width_external']) ? ' width:' . $modSettings['avatar_max_width_external'] . 'px;' : '';
$avatar_height = !empty($modSettings['avatar_max_height_external']) ? ' height:' . $modSettings['avatar_max_height_external'] . 'px;' : '';
}
else
{
$avatar_width = '';
$avatar_height = '';
}
// These minimal values are always loaded