forked from Wedge/wedge
/
Load.php
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Load.php
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<?php
/**
* This file carries many useful functions for loading various general data from the database, often required on every page.
*
* Wedge (http://wedge.org)
* Copyright © 2010 René-Gilles Deberdt, wedge.org
* Portions are © 2011 Simple Machines.
* License: http://wedge.org/license/
*/
if (!defined('WEDGE'))
die('Hacking attempt...');
/**
* Loads the forum-wide settings into $settings as an array.
*
* - Ensure the database is using the same character set as the application thinks it is.
* - Attempt to load the settings from cache, failing that from the database, with some fallback/sanity values for a few common settings.
* - Save the value in cache for next time.
* - Fill up the list of known actions.
* - Set the timezone (mandatory in PHP)
* - Check the load average settings if available.
* - Check whether post moderation is enabled.
* - Run any functions specified in the pre_load hook.
*/
function loadSettings()
{
global $settings, $context, $action_list, $action_no_log, $my_plugins;
// This is where it all began.
$context = array(
'pretty' => array('db_count' => 0),
'action' => '',
'subaction' => '',
'app_error_count' => 0,
);
// Try to load settings from the cache first; they'll never get cached if the setting is off.
if (($settings = cache_get_data('settings', 'forever')) === null)
{
$request = wesql::query('
SELECT variable, value
FROM {db_prefix}settings'
);
$settings = array();
if (!$request)
show_db_error();
while ($row = wesql::fetch_row($request))
$settings[$row[0]] = $row[1];
wesql::free_result($request);
if (empty($settings['language']))
$settings['language'] = 'english';
// Do a few things to protect against missing settings or settings with invalid values...
if (empty($settings['defaultMaxTopics']) || $settings['defaultMaxTopics'] <= 0 || $settings['defaultMaxTopics'] > 999)
$settings['defaultMaxTopics'] = 20;
if (empty($settings['defaultMaxMessages']) || $settings['defaultMaxMessages'] <= 0 || $settings['defaultMaxMessages'] > 999)
$settings['defaultMaxMessages'] = 15;
if (empty($settings['defaultMaxMembers']) || $settings['defaultMaxMembers'] <= 0 || $settings['defaultMaxMembers'] > 999)
$settings['defaultMaxMembers'] = 30;
$settings['js_lang'] = empty($settings['js_lang']) ? array() : unserialize($settings['js_lang']);
$settings['registered_hooks'] = empty($settings['registered_hooks']) ? array() : unserialize($settings['registered_hooks']);
$settings['hooks'] = $settings['registered_hooks'];
$settings['pretty_filters'] = unserialize($settings['pretty_filters']);
if (!empty($settings['cache_enable']))
cache_put_data('settings', $settings, 'forever');
}
/*
I am the Gatekeeper. Are you the Keymaster?
Here's the monstrous $action array - $action => array($file, [[$function], $plugin_id]).
If the function name is the same as the loadSource file name, e.g. Admin.php, to run Admin(), you can declare it as a string.
Only add $plugin_id if it's for a plugin, otherwise just have (one or) two items in the list.
Add custom actions to to the $action_list array this way:
'my-action' => array('MyFile.php', 'MyFunction'),
Then, the URL index.php?action=my-action will load call MyFile.php and call MyFunction().
*/
$action_list = array(
'activate' => 'Activate',
'admin' => 'Admin',
'ajax' => 'Ajax',
'announce' => 'Announce',
'boards' => 'Boards',
'buddy' => 'Buddy',
'collapse' => 'Collapse',
'coppa' => 'CoppaForm',
'credits' => 'Credits',
'deletemsg' => array('RemoveTopic', 'DeleteMessage'),
'display' => 'Display',
'dlattach' => 'Dlattach',
'emailuser' => 'Mailer',
'feed' => 'Feed',
'groups' => 'Groups',
'help' => 'Help',
'like' => 'Like',
'lock' => 'Lock',
'login' => 'Login',
'login2' => 'Login2',
'logout' => 'Logout',
'markasread' => array('Subs-Boards', 'MarkRead'),
'media' => array('media/Aeva-Gallery', 'aeva_initGallery'),
'mergeposts' => array('Merge', 'MergePosts'),
'mergetopics' => array('Merge', 'MergeTopics'),
'mlist' => 'Memberlist',
'moderate' => 'ModerationCenter',
'movetopic' => 'MoveTopic',
'movetopic2' => array('MoveTopic', 'MoveTopic2'),
'notify' => 'Notify',
'notifyboard' => array('Notify', 'BoardNotify'),
'notification' => array('Notifications', 'weNotif::action'),
'pin' => 'Pin',
'pm' => 'PersonalMessage',
'poll' => 'Poll',
'post' => 'Post',
'post2' => 'Post2',
'printpage' => 'PrintPage',
'profile' => array('Profile', 'ModifyProfile'),
'quickedit' => 'QuickEdit',
'quickmod' => array('QuickMod', 'QuickModeration'),
'quickmod2' => array('QuickMod', 'QuickInTopicModeration'),
'quotefast' => 'QuoteFast',
'recent' => 'Recent',
'register' => 'Register',
'register2' => array('Register', 'Register2'),
'reminder' => array('Reminder', 'RemindMe'),
'removetopic2' => array('RemoveTopic', 'RemoveTopic2'),
'report' => 'Report',
'restoretopic' => array('RemoveTopic', 'RestoreTopic'),
'search' => 'Search',
'search2' => 'Search2',
'sendtopic' => 'Mailer',
'skin' => array('Themes', 'PickTheme'),
'splittopics' => array('Split', 'SplitTopics'),
'stats' => 'Stats',
'suggest' => 'Suggest',
'theme' => 'Themes',
'thoughts' => 'Thoughts',
'trackip' => array('Profile-View', 'trackIP'),
'uncache' => array('Subs-Cache', 'uncache'),
'unread' => 'Unread',
'unreadreplies' => 'UnreadReplies',
'verification' => 'VerificationCode',
'viewquery' => 'ViewQuery',
'viewremote' => 'ViewRemote',
'who' => 'Who',
);
if (empty($settings['pm_enabled']))
unset($action_list['pm']);
// If an action should not influence the who's online list, please add it to the $action_no_log global from your own action.
$action_no_log = array('ajax', 'dlattach', 'feed', 'like', 'notification', 'verification', 'viewquery', 'viewremote');
// Deal with loading plugins.
$context['enabled_plugins'] = array();
if (!empty($settings['enabled_plugins']))
{
// Convert an old Wedge variable.
loadSource('Subs-CachePHP');
updateSettingsFile(array('my_plugins' => $my_plugins = (string) $settings['enabled_plugins']));
wesql::query('DELETE FROM {db_prefix}settings WHERE variable = {literal:enabled_plugins}');
}
if (!empty($my_plugins))
{
// Step through the list we think we have enabled.
$plugins = explode(',', $my_plugins);
$hook_stack = array();
foreach ($plugins as $plugin)
{
if (!empty($settings['plugin_' . $plugin]) && file_exists(ROOT_DIR . '/plugins/' . $plugin . '/plugin-info.xml'))
{
$plugin_details = @unserialize($settings['plugin_' . $plugin]);
$context['enabled_plugins'][$plugin_details['id']] = $plugin;
$context['plugins_dir'][$plugin_details['id']] = ROOT_DIR . '/plugins/' . $plugin;
$context['plugins_url'][$plugin_details['id']] = ROOT . '/plugins/' . $plugin;
if (isset($plugin_details['actions']))
foreach ($plugin_details['actions'] as $action)
{
if (strpos($action['function'], '::') !== false)
$action['function'] = explode('::', $action['function']);
$action_list[$action['action']] = array($action['filename'], $action['function'], $plugin_details['id']);
if (!empty($action['nolog']))
$action_no_log[] = $action['action'];
}
unset($plugin_details['id'], $plugin_details['provides'], $plugin_details['actions']);
foreach ($plugin_details as $hook => $functions)
foreach ($functions as $function)
{
$priority = (int) substr(strrchr($function, '|'), 1);
$hook_stack[$hook][$priority][] = strtr($function, array('$plugindir/' => ''));
}
}
else
$reset_plugins = true;
}
if (isset($reset_plugins))
{
loadSource('Subs-CachePHP');
updateSettingsFile(array('my_plugins' => implode(',', $context['enabled_plugins'])));
}
// Having got all the hooks, figure out the priority ordering and commit to the master list.
foreach ($hook_stack as $hook => $hooks_by_priority)
{
krsort($hooks_by_priority);
if (!isset($settings['hooks'][$hook]))
$settings['hooks'][$hook] = array();
foreach ($hooks_by_priority as $priority => $hooks)
$settings['hooks'][$hook] = array_merge($settings['hooks'][$hook], $hooks);
}
}
// UTF8-aware string functions.
loadSource('Class-String');
westr::getInstance();
// Change the random generator seed, from time to time.
if (empty($settings['rand_seed']) || mt_rand(1, 250) == 42)
updateSettings(array('rand_seed' => mt_rand()));
// Setting the timezone is a requirement. At least use what the host has, to prevent errors.
date_default_timezone_set(isset($settings['default_timezone']) ? $settings['default_timezone'] : @date_default_timezone_get());
// Check the load averages?
if (!empty($settings['loadavg_enable']))
{
if (($settings['load_average'] = cache_get_data('loadavg', 90)) === null)
{
$settings['load_average'] = @file_get_contents('/proc/loadavg');
if (!empty($settings['load_average']) && preg_match('~^([^ ]+?) ([^ ]+?) ([^ ]+)~', $settings['load_average'], $matches) != 0)
$settings['load_average'] = (float) $matches[1];
elseif (can_shell_exec() && ($settings['load_average'] = `uptime`) != null && preg_match('~load average[s]?: (\d+\.\d+), (\d+\.\d+), (\d+\.\d+)~i', $settings['load_average'], $matches) != 0)
$settings['load_average'] = (float) $matches[1];
else
unset($settings['load_average']);
if (!empty($settings['load_average']))
cache_put_data('loadavg', $settings['load_average'], 90);
}
if (!empty($settings['loadavg_forum']) && !empty($settings['load_average']) && $settings['load_average'] >= $settings['loadavg_forum'])
show_db_error(true);
}
// Is post moderation alive and well?
$settings['postmod_active'] = !empty($settings['postmod_active']) || !empty($settings['postmod_rules']);
if (!empty($settings['imported_from']) && !isset($settings['imported_cleaned']))
importing_cleanup();
// Call pre-load hook functions.
call_hook('pre_load');
// Sanitize and normalize URL variables.
cleanRequest();
if (WEDGE == 'SSI')
return;
// Before we get carried away, are we doing a scheduled task? If so save CPU cycles by jumping out!
if (isset($_GET['scheduled']))
{
loadSource('ScheduledTasks');
AutoTask();
}
elseif (isset($_GET['imperative']))
{
loadSource('Subs-Scheduled');
ImperativeTask();
}
if (!headers_sent())
{
// Check if compressed output is enabled, supported, and not already being done.
if (!empty($settings['enableCompressedOutput']))
{
// If zlib is being used, turn off output compression.
if (ini_get('zlib.output_compression') >= 1 || ini_get('output_handler') == 'ob_gzhandler')
$settings['enableCompressedOutput'] = 0;
else
{
ob_end_clean();
ob_start('ob_gzhandler');
}
}
// While we're here, clean some outgoing headers, and
// protect against XSS and inclusion in external frames.
header('Server: ');
header('X-Powered-By: ');
header('X-XSS-Protection: 1');
header('X-Frame-Options: SAMEORIGIN');
header('X-Content-Type-Options: nosniff');
}
}
function can_shell_exec()
{
static $result = null;
if ($result !== null)
return $result;
$disable_functions = explode(',', ini_get('disable_functions') . ',' . ini_get('suhosin.executor.func.blacklist'));
return $result = (is_callable('shell_exec') && !ini_get('safe_mode') && !in_array('shell_exec', $disable_functions));
}
/**
* Validate whether we are dealing with a board, and whether the current user has access to that board.
*
* - Initialize the link tree (and later, populating it).
* - If only an individual msg is specified in the URL, identify the topic it belongs to, and redirect to that topic normally. (Assuming it exists; if not throw a fatal error that topic does not exist)
* - If no board or topic is applicable, return (we're not in a board, and there won't be board moderators)
* - See if we have checked this board or board+topic lately, and if so, grab from cache.
* - If we don't have this, load the board information into $board_info, including category id and name, board name and other details of this board
* - See if there are board moderators, and whether the current user is amongst them (which means possibly upgrading access if they did not have so before, as well as adding group id 3 to their groups)
* - If the user cannot see the topic (and isn't a local moderator), issue a fatal error.
*/
function loadBoard()
{
global $context, $settings, $board_info, $board, $topic, $user_settings;
// Start the linktree off empty..
$context['linktree'] = array();
// Have they by chance specified a message id but nothing else?
if (!$context['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)
{
$request = wesql::query('
SELECT id_topic
FROM {db_prefix}messages
WHERE id_msg = {int:id_msg}
LIMIT 1',
array(
'id_msg' => $_REQUEST['msg'],
)
);
// So did it find anything?
if (wesql::num_rows($request))
{
list ($topic) = wesql::fetch_row($request);
wesql::free_result($request);
// 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' . $_REQUEST['msg']);
else
rejectTopic();
}
// Load this board only if it is specified.
if (empty($board) && empty($topic))
{
$board_info = array(
'moderators' => array(),
'skin' => '',
);
return;
}
// Is this a XML feed requesting a topic?
elseif (empty($board) && !empty($topic) && $context['action'] === 'feed')
return;
if (!empty($settings['cache_enable']) && (empty($topic) || $settings['cache_enable'] >= 3))
{
// !!! SLOW?
if (!empty($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))
{
$request = wesql::query('
SELECT
c.id_cat, b.name AS bname, b.url, b.id_owner, b.description, b.num_topics, b.member_groups,
b.num_posts, b.id_parent, c.name AS cname, IFNULL(mem.id_member, 0) AS id_moderator,
mem.real_name' . (!empty($topic) ? ', b.id_board' : '') . ', b.child_level, b.skin, b.skin_mobile,
b.override_skin, b.count_posts, b.id_profile, b.redirect, b.language, bm.permission = \'deny\' AS banned,
bm.permission = {literal:access} AS allowed, mco.real_name AS owner_name, mco.buddy_list AS contacts, b.board_type, b.sort_method,
b.sort_override, b.unapproved_topics, b.unapproved_posts' . (!empty($topic) ? ', t.approved, t.privacy, t.id_member_started' : '') . '
FROM {db_prefix}boards AS b' . (!empty($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)
LEFT JOIN {db_prefix}members AS mco ON (mco.id_member = b.id_owner)
LEFT JOIN {db_prefix}board_members AS bm ON b.id_board = bm.id_board AND b.id_owner = {int:id_member}
WHERE b.id_board = {raw:board_link}',
array(
'current_topic' => $topic,
'board_link' => empty($topic) ? wesql::quote('{int:current_board}', array('current_board' => $board)) : 't.id_board',
'id_member' => MID,
)
);
// If there aren't any, skip.
if (wesql::num_rows($request) > 0)
{
$row = wesql::fetch_assoc($request);
// Set the current board.
if (!empty($row['id_board']))
$board = $row['id_board'];
// Basic operating information. (Globals... :-/)
$board_info = array(
'id' => $board,
'owner_id' => $row['id_owner'],
'owner_name' => $row['owner_name'],
'moderators' => array(),
'cat' => array(
'id' => $row['id_cat'],
'name' => $row['cname']
),
'name' => $row['bname'],
'description' => $row['description'],
'url' => $row['url'],
'num_posts' => $row['num_posts'],
'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'],
'skin' => $row['skin'],
'skin_mobile' => $row['skin_mobile'],
'override_skin' => !empty($row['override_skin']),
'profile' => $row['id_profile'],
'redirect' => $row['redirect'],
'posts_count' => empty($row['count_posts']),
'cur_topic_approved' => empty($topic) ? 1 : $row['approved'],
'cur_topic_privacy' => empty($topic) ? PRIVACY_DEFAULT : $row['privacy'],
'cur_topic_starter' => empty($topic) ? 0 : $row['id_member_started'],
'allowed_member' => $row['allowed'],
'banned_member' => $row['banned'],
'contacts' => $row['contacts'],
'language' => $row['language'],
'type' => $row['board_type'],
'sort_method' => $row['sort_method'],
'sort_override' => $row['sort_override'],
);
// Load privacy settings.
// !!! Are we still meant to be using this now we have query_see_topic..? It's going to be inaccurate!
// !!! @todo: update this code, with the new privacy system.
if ($row['member_groups'] === '0')
$board_info['privacy'] = 'members';
elseif ($row['member_groups'] === '-1,0')
$board_info['privacy'] = 'everyone';
elseif ($row['member_groups'] === 'contacts')
$board_info['privacy'] = 'contacts';
elseif ($row['member_groups'] === '')
{
$board_info['privacy'] = 'author';
$row['member_groups'] = '';
}
else
$board_info['privacy'] = 'everyone';
if (!empty($row['id_owner']))
$board_info['moderators'] = array(
$row['id_owner'] => array(
'id' => $row['id_owner'],
'name' => $row['owner_name'],
'href' => '<URL>?action=profile;u=' . $row['id_owner'],
'link' => '<a href="<URL>?action=profile;u=' . $row['id_owner'] . '">' . $row['owner_name'] . '</a>'
)
);
do
{
if (!empty($row['id_moderator']) && $row['id_moderator'] != $row['id_owner'])
$board_info['moderators'][$row['id_moderator']] = array(
'id' => $row['id_moderator'],
'name' => $row['real_name'],
'href' => '<URL>?action=profile;u=' . $row['id_moderator'],
'link' => '<a href="<URL>?action=profile;u=' . $row['id_moderator'] . '">' . $row['real_name'] . '</a>'
);
}
while ($row = wesql::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 && $settings['postmod_active'] && !allowedTo('approve_posts'))
{
wesql::free_result($request); // Free the previous result.
$request = wesql::query('
SELECT COUNT(id_topic)
FROM {db_prefix}topics
WHERE id_member_started = {int:id_member}
AND approved = {int:is_unapproved}
AND id_board = {int:board}',
array(
'id_member' => MID,
'is_unapproved' => 0,
'board' => $board,
)
);
list ($board_info['unapproved_user_topics']) = wesql::fetch_row($request);
}
if (!empty($settings['cache_enable']) && (empty($topic) || $settings['cache_enable'] >= 3))
{
// !!! SLOW?
if (!empty($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(),
'skin' => '',
'error' => 'exist',
);
$topic = null;
$board = 0;
}
wesql::free_result($request);
}
if (isset($board_info['skin_mobile']) && we::is('mobile'))
$board_info['skin'] = $board_info['skin_mobile'];
if (!empty($topic))
$_GET['board'] = (int) $board;
if (!empty($board))
{
// Now tell the system class where we are, and whether we're a moderator.
we::$cache = array();
we::$is['mod'] |= isset($board_info['moderators'][MID]);
we::$is['b' . $board] = true;
we::$is['c' . $board_info['cat']['id']] = true;
if ($board_info['banned_member'] && !$board_info['allowed_member'])
$board_info['error'] = 'access';
if (!we::$is_admin && !in_array($board_info['id'], we::$user['qsb_boards']))
{
if (!we::$is['mod'] && (!empty($board_info['owner_id']) && MID != $board_info['owner_id']))
{
switch ($board_info['privacy'])
{
case 'contacts':
if (!in_array(MID, explode(',', $board_info['contacts'])))
$board_info['error'] = 'access';
break;
case 'members':
if (we::$is_guest)
$board_info['error'] = 'access';
break;
case 'author':
$board_info['error'] = 'access'; // We've already established that the user is not the owner
break;
case 'everyone':
$board_info['error'] = 'access'; // The fact we're here means there are some groups denying/not granting access which must be adhered to
break;
}
}
else
$board_info['error'] = 'access'; // You're not permitted here, not an admin or mod and there's no owner rights to allow you in either.
}
// Build up the linktree.
$context['linktree'] = array_merge(
$context['linktree'],
array(array(
'url' => '<URL>?category=' . $board_info['cat']['id'],
'name' => $board_info['cat']['name']
)),
array_reverse($board_info['parent_boards']),
array(array(
'url' => '<URL>?board=' . $board . '.0',
'name' => $board_info['name']
))
);
// Does this board have its own language setting? If so, does the user have their
// own personal language set? (User preference beats board, which beats forum default)
if (!empty($board_info['language']) && empty($user_settings['lngfile']))
{
we::$user['language'] = $board_info['language'];
$user_settings['lngfile'] = $board_info['language'];
}
}
// Set the template contextual information.
$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']) && ($board_info['error'] != 'access' || !we::$is['mod']))
rejectTopic();
if (we::$is['mod'])
we::$user['groups'][] = 3;
}
function rejectTopic()
{
global $context, $txt;
// 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! However, it WILL be
// available to admins etc. for Who's Online, so they can see what's going on.
$context['linktree'] = array();
add_linktree($context['forum_name_html_safe'], '<URL>');
// If it's a prefetching agent or we're requesting an attachment.
preventPrefetch($context['action'] === 'dlattach');
if (we::$is_guest)
{
loadLanguage('Errors');
is_not_guest($txt['topic_gone']);
}
else
fatal_lang_error('topic_gone', false);
}
/**
* Load the current user's permissions, to be stored in we::$user['permissions']
*
* - If the user is an admin, simply validate that they have not been banned then return.
* - Attempt to load from cache (level 2+ caching only); if matched, apply ban restrictions and return.
* - See if the user is possibly a spider, extend the user's "permissions" appropriately.
* - If we have not been able to establish permissions thus far (because caching failed us), query the general permissions table for our groups.
* - Then apply those permissions, both allow and denied.
* - If inside a board, identify the board profile, and load the permissions from that, following the same process.
* - If on caching level 2 or up, cache, then apply banned user permissions if banned.
* - If the user is not a guest, identify what other boards they may have access to through the moderator cache.
*/
function loadPermissions()
{
global $board, $board_info, $settings;
if (we::$is_admin)
{
banPermissions();
we::permissions();
return;
}
if (!empty($settings['cache_enable']))
{
$cache_groups = we::$user['groups'];
asort($cache_groups);
$cache_groups = implode(',', $cache_groups);
// If it's a spider then cache it different.
if (we::$user['possibly_robot'])
$cache_groups .= '-spider';
if ($settings['cache_enable'] >= 2 && !empty($board) && ($temp = cache_get_data('permissions:' . $cache_groups . ':' . $board, 240)) !== null && time() - 240 > $settings['settings_updated'])
{
list (we::$user['permissions']) = $temp;
banPermissions();
we::permissions();
return;
}
elseif (($temp = cache_get_data('permissions:' . $cache_groups, 240)) !== null && time() - 240 > $settings['settings_updated'])
list (we::$user['permissions'], $removals) = $temp;
}
// If it is detected as a robot, and we are restricting permissions as a special group - then implement this.
$spider_restrict = we::$user['possibly_robot'] && !empty($settings['spider_mode']) && !empty($settings['spider_group']) ? ' OR (id_group = {int:spider_group} AND add_deny = 0)' : '';
if (empty(we::$user['permissions']))
{
// Get the general permissions.
$request = wesql::query('
SELECT permission, add_deny
FROM {db_prefix}permissions
WHERE id_group IN ({array_int:member_groups})
' . $spider_restrict,
array(
'member_groups' => we::$user['groups'],
'spider_group' => !empty($settings['spider_group']) ? $settings['spider_group'] : 0,
)
);
$removals = array();
while ($row = wesql::fetch_assoc($request))
{
if (empty($row['add_deny']))
$removals[] = $row['permission'];
else
we::$user['permissions'][] = $row['permission'];
}
wesql::free_result($request);
if (isset($cache_groups))
cache_put_data('permissions:' . $cache_groups, array(we::$user['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 = wesql::query('
SELECT permission, add_deny
FROM {db_prefix}board_permissions
WHERE (id_group IN ({array_int:member_groups})
' . $spider_restrict . ')
AND id_profile = {int:id_profile}',
array(
'member_groups' => we::$user['groups'],
'id_profile' => $board_info['profile'],
'spider_group' => !empty($settings['spider_mode']) && !empty($settings['spider_group']) ? $settings['spider_group'] : 0,
)
);
while ($row = wesql::fetch_assoc($request))
{
if (empty($row['add_deny']))
$removals[] = $row['permission'];
else
we::$user['permissions'][] = $row['permission'];
}
wesql::free_result($request);
if (!empty($board_info['owner_id']) && $board_info['owner_id'] == MID)
we::$user['permissions'][] = 'moderate_board';
}
// Remove all the permissions they shouldn't have ;)
we::$user['permissions'] = array_diff(array_flip(array_flip(we::$user['permissions'])), empty($removals) ? array() : $removals);
if (isset($cache_groups) && !empty($board) && $settings['cache_enable'] >= 2)
cache_put_data('permissions:' . $cache_groups . ':' . $board, array(we::$user['permissions'], null), 240);
// Banned? Watch, don't touch...
banPermissions();
// Tell the system class what permissions we have.
we::permissions();
// Load the mod cache so we can know what additional boards they should see, but no sense in doing it for guests.
if (we::$is_member)
{
if (!isset($_SESSION['mc']) || $_SESSION['mc']['time'] <= $settings['settings_updated'])
{
loadSource('Subs-Auth');
rebuildModCache();
}
else
we::$user['mod_cache'] = $_SESSION['mc'];
}
}
/**
* Loads user data, either by id or member_name, and can load one or many users' data together.
*
* User data, where successful, is loaded into the global $user_profiles array, keyed by user id. The exact data set is dependent on $set.
*
* @param mixed $users This can be either a single value or an array, representing a single user or multiple users.
* @param bool $is_name If this parameter is true, treat the value(s) in $users as denoting user names, otherwise they are numeric user ids.
* @param string $set Complexity of data to load, from 'minimal', 'normal', 'profile', each successively increasing in complexity.
* @return mixed Returns either an array of users whose data was matched, or false if no matches were made.
*/
function loadMemberData($users, $is_name = false, $set = 'normal')
{
global $user_profile, $settings, $board_info;
static $infraction_levels = null;
// Can't just look for no users. :P
if (empty($users))
return false;
if ($infraction_levels === null)
{
$infraction_levels = array();
$levels = !empty($settings['infraction_levels']) ? @unserialize($settings['infraction_levels']) : array();
foreach ($levels as $infraction => $details)
if (!empty($details['enabled']))
$infraction_levels[$infraction] = $details['points'];
}
// Make sure it's an array.
$users = !is_array($users) ? array($users) : array_flip(array_flip($users));
$loaded_ids = array();
if (!$is_name && !empty($settings['cache_enable']) && $settings['cache_enable'] >= 3)
{
$users = array_values($users);
for ($i = 0, $n = count($users); $i < $n; $i++)
{
if (($data = cache_get_data('member_data-' . $set . '-' . $users[$i], 240)) === null)
continue;
$loaded_ids[] = $data['id_member'];
$user_profile[$data['id_member']] = $data;
unset($users[$i]);
}
}
$select_columns = '
IFNULL(lo.log_time, 0) AS is_online,
IFNULL(a.id_attach, 0) AS id_attach, a.filename, a.attachment_type, a.transparency, a.id_folder,
mem.id_member, mem.member_name, mem.real_name, mem.signature, mem.personal_text, mem.location, mem.gender,
mem.avatar, mem.email_address, mem.hide_email, mem.website_title, mem.website_url, mem.birthdate,
mem.posts, mem.id_group, mem.id_post_group, mem.show_online, mem.warning, mem.is_activated, mem.data,
IFNULL(mg.group_name, {string:blank}) AS member_group,
IFNULL(pg.group_name, {string:blank}) AS post_group,'
. (!empty($settings['titlesEnable']) ? ' mem.usertitle,' : '');
$select_tables = '
LEFT JOIN {db_prefix}log_online AS lo ON (lo.id_member = mem.id_member)
LEFT JOIN {db_prefix}attachments AS a ON (a.id_member = mem.id_member)
LEFT JOIN {db_prefix}membergroups AS pg ON (pg.id_group = mem.id_post_group)
LEFT JOIN {db_prefix}membergroups AS mg ON (mg.id_group = mem.id_group)';
if ($set === 'normal')
{
$select_columns .= '
mem.last_login, mem.member_ip, mem.member_ip2, mem.lngfile,
mem.time_offset, mem.date_registered, mem.buddy_list,
mem.media_items, mem.media_comments';
}
elseif ($set === 'profile')
{
$select_columns .= '
mem.last_login, mem.member_ip, mem.member_ip2, mem.lngfile,
mem.time_offset, mem.date_registered, mem.buddy_list,
mem.media_items, mem.media_comments,
mem.additional_groups,
mem.pm_ignore_list, mem.pm_email_notify, mem.pm_receive_from,
mem.time_format, mem.timezone, mem.smiley_set, mem.total_time_logged_in,
mem.ignore_boards, mem.notify_announcements, mem.notify_regularity, mem.notify_send_body,
mem.notify_types, lo.url, mem.password_salt, mem.pm_prefs, mem.data';
$get_badges = true;
}
elseif ($set === 'userbox')
{
$select_columns .= '
mem.additional_groups';
$get_badges = true;
}
elseif ($set === '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 = '';
}
else
trigger_error('loadMemberData(): Invalid member data set \'' . $set . '\'', E_USER_WARNING);
if (isset($get_badges))
{
// Load cached membergroup badges (or rank images) and when to show them.
if (($mba = cache_get_data('member-badges', 5000)) === null)
{
$mba = array();
$request = wesql::query('
SELECT g.id_group, g.stars, g.show_when, g.display_order
FROM {db_prefix}membergroups AS g
WHERE g.show_when != {int:never}
ORDER BY g.display_order',
array(
'never' => 0,
)
);
while ($row = wesql::fetch_assoc($request))
if (!empty($row['stars']))
$mba[$row['id_group']] = array($row['show_when'], $row['stars'], $row['display_order']);
wesql::free_result($request);
cache_put_data('member-badges', $mba, 5000);
}
}
if (!empty($users))
{
// Load the member's data.
$request = wesql::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 ({' . ($is_name ? 'array_string' : 'array_int') . ':users})'),
array(
'blank' => '',
'users' => count($users) == 1 ? current($users) : $users,
)
);
$new_loaded_ids = array();
while ($row = wesql::fetch_assoc($request))
{
$new_loaded_ids[] = $row['id_member'];
$loaded_ids[] = $row['id_member'];
$row['options'] = array();
$row['set'] = $set;
if (!empty($row['member_ip']))
{
$row['member_ip'] = format_ip($row['member_ip']);
$row['member_ip2'] = format_ip($row['member_ip2']);
}
if (!empty($settings['signature_minposts']) && ((int) $row['posts'] < (int) $settings['signature_minposts']))
{
// Hide normally (e.g. topic view) except if user is an admin
if (($set === 'normal' || $set === 'userbox') && $row['id_group'] != 1)
$row['signature'] = '';
// Hide in profile unless it's the user's own profile and they have permission, or they have permission to modify anyone's.
elseif ($set === 'profile' && !(($row['id_member'] == MID && allowedTo('profile_signature_own')) || allowedTo('profile_signature_any')))
$row['signature'] = '';
}
// Maybe the user has some sanctions already?
if (!empty($row['data']))
{
$row['data'] = @unserialize($row['data']);
$row['sanctions'] = !empty($row['data']['sanctions']) ? $row['data']['sanctions'] : array();
}
else
$row['data'] = array();
// Maybe they've just been a generically bad individual?
// If they have, this overrides any other granting of it and makes it indefinitely long.
if (!empty($infraction_levels) && !empty($row['warning']))
foreach ($infraction_levels as $infraction => $points)
if ($row['warning'] >= $points)
$row['sanctions'][$infraction] = 1;
// OK, quick clean up.
if (!empty($row['sanctions']))
foreach ($row['sanctions'] as $infraction => $expiry)
if ($expiry != 1 && $expiry < time())
unset($row['sanctions'][$infraction]);
// No signature sanction?
if (!empty($row['sanctions']['no_sig']))
{
// It won't be shown in posts, but it will in the profile if the person is viewing their own, or someone with appropriate power is viewing their profile - so it can be edited etc.
if ($set === 'normal' || $set === 'userbox' || ($set === 'profile' && !(($row['id_member'] == MID && allowedTo('profile_signature_own')) || allowedTo('profile_signature_any'))))
$row['signature'] = '';
}
// This user is banned. We might need to fudge their group.
if (!empty($settings['ban_group']) && !empty($row['is_activated']) && ($row['is_activated'] >= 20 || isset($row['sanctions']['hard_ban'])))
{
$row['additional_groups'] = !empty($row['additional_groups']) ? $row['id_group'] . ',' . $row['additional_groups'] : $row['id_group'];
$row['id_group'] = $settings['ban_group'];
}
$user_profile[$row['id_member']] = $row;
}
wesql::free_result($request);
}
// Load last post data. Can't restrict to $loaded_ids, in case a previous user was loaded through a non-profile set...
if (!empty($loaded_ids) && $set == 'profile')
{
$row = wesql::query_all('
SELECT m.id_member, m.poster_time, m.id_msg, m.id_topic, m.subject
FROM {db_prefix}messages AS m
LEFT JOIN {db_prefix}topics AS t ON t.id_topic = m.id_topic