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lib-common.php
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lib-common.php
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<?php
/* Reminder: always indent with 4 spaces (no tabs). */
// +---------------------------------------------------------------------------+
// | Geeklog 2.2 |
// +---------------------------------------------------------------------------+
// | lib-common.php |
// | |
// | Geeklog common library. |
// +---------------------------------------------------------------------------+
// | Copyright (C) 2000-2019 by the following authors: |
// | |
// | Authors: Tony Bibbs - tony AT tonybibbs DOT com |
// | Mark Limburg - mlimburg AT users DOT sourceforge DOT net |
// | Jason Whittenburg - jwhitten AT securitygeeks DOT com |
// | Dirk Haun - dirk AT haun-online DOT de |
// | Vincent Furia - vinny01 AT users DOT sourceforge DOT net |
// +---------------------------------------------------------------------------+
// | |
// | This program is free software; you can redistribute it and/or |
// | modify it under the terms of the GNU General Public License |
// | as published by the Free Software Foundation; either version 2 |
// | of the License, or (at your option) any later version. |
// | |
// | This program is distributed in the hope that it will be useful, |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
// | GNU General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software Foundation, |
// | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
// | |
// +---------------------------------------------------------------------------+
use Geeklog\Autoload;
use Geeklog\Cache;
use Geeklog\Input;
use Geeklog\Mail;
use Geeklog\Resource;
use Geeklog\Session;
// Prevent PHP from reporting uninitialized variables
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_CORE_ERROR | E_COMPILE_ERROR | E_USER_ERROR | E_RECOVERABLE_ERROR);
/**
* This is the common library for Geeklog. Through our code, you will see
* functions with the COM_ prefix (e.g. COM_createHTMLDocument()). Any such functions
* can be found in this file and called by plugins.
* Note: functions with the _ prefix should only be called by Core and not any plugins.
* --- You don't need to modify anything in this file! ---
* WARNING: put any custom hacks in lib-custom.php and not in here. This file is
* modified frequently by the Geeklog development team. If you put your hacks in
* lib-custom.php you will find upgrading much easier.
*/
/**
* Prevent getting any surprise values. But we should really stop
* using $_REQUEST altogether.
*/
$_REQUEST = array_merge($_GET, $_POST);
/**
* Configuration Include:
* You do NOT need to modify anything here any more!
*/
require_once __DIR__ . '/siteconfig.php';
if (COM_isDeveloperMode() &&
isset($_CONF['developer_mode_php'], $_CONF['developer_mode_php']['error_reporting'])) {
error_reporting((int) $_CONF['developer_mode_php']['error_reporting']);
}
/**
* Here, we shall establish an error handler. This will mean that whenever a
* php level error is encountered, our own code handles it. This will hopefully
* go someway towards preventing nasties like path exposures from ever being
* possible. That is, unless someone has overridden our error handler with one
* with a path exposure issue...
* Must make sure that the function hasn't been disabled before calling it.
*/
if (is_callable('set_error_handler')) {
/* Tell the error handler to use the default error reporting options.
* You may like to change this to use it in more/less cases, if so,
* just use the syntax used in the call to error_reporting() above.
*/
$defaultErrorHandler = set_error_handler('COM_handleError', error_reporting());
}
if (is_callable('set_exception_handler')) {
set_exception_handler('COM_handleException');
}
/**
* Turn this on to get various debug messages from the code in this library
*
* @global bool $_COM_VERBOSE
*/
$_COM_VERBOSE = COM_isEnableDeveloperModeLog('common');
COM_checkInstalled();
// Register autoloader
require_once $_CONF['path_system'] . 'classes/Autoload.php';
Autoload::initialize();
// Initialize system classes
Input::init();
// Load configuration
$config = config::get_instance();
$config->set_configfile($_CONF['path'] . 'db-config.php');
$config->load_baseconfig();
$config->initConfig();
$_CONF = $config->get_config('Core');
// Get features that has ft_name like 'config%'
$_CONF_FT = $config->_get_config_features();
// Load Cache class
Cache::init(new Cache\FileSystem($_CONF['path'] . 'data/cache/'));
// Load in Geeklog Variables Table
/**
* @global $_VARS array
*/
$_VARS = array();
$result = DB_query("SELECT * FROM {$_TABLES['vars']}");
while ($row = DB_fetchArray($result)) {
$_VARS[$row['name']] = $row['value'];
}
// Before we do anything else, check to ensure site is enabled
if (isset($_CONF['site_enabled']) && !$_CONF['site_enabled']) {
if (empty($_CONF['site_disabled_msg'])) {
header("HTTP/1.1 503 Service Unavailable");
header("Status: 503 Service Unavailable");
header('Content-Type: text/plain; charset=' . COM_getCharset());
echo $_CONF['site_name'] . ' is temporarily down. Please check back soon.' . LB;
} else {
// if the msg starts with http: assume it's a URL we should redirect to
if (preg_match("/^(https?):/", $_CONF['site_disabled_msg'])) {
COM_redirect($_CONF['site_disabled_msg']);
} else {
header("HTTP/1.1 503 Service Unavailable");
header("Status: 503 Service Unavailable");
header('Content-Type: text/html; charset=' . COM_getCharset());
echo $_CONF['site_disabled_msg'] . LB;
}
}
exit;
}
// this file can't be used on its own - redirect to index.php
if (stripos($_SERVER['PHP_SELF'], basename(__FILE__)) !== false) {
COM_redirect($_CONF['site_url'] . '/index.php');
}
// +---------------------------------------------------------------------------+
// | Library Includes: You shouldn't have to touch anything below here |
// +---------------------------------------------------------------------------+
// Set the web server's timezone
TimeZoneConfig::setSystemTimeZone();
// Include multibyte functions
require_once $_CONF['path_system'] . 'lib-mbyte.php';
/**
* Include plugin class.
* This is a poorly implemented class that was not very well thought out.
* Still very necessary
*
* @global $_PLUGINS array of the names of active plugins
*/
require_once $_CONF['path_system'] . 'lib-plugins.php';
/**
* Include page time -- used to time how fast each page was created
*
* @global $_PAGE_TIMER timerobject
*/
$_PAGE_TIMER = new timerobject();
$_PAGE_TIMER->startTimer();
/**
* This provides optional URL rewriting functionality.
*
* @global $_URL Url
*/
$_URL = new Url($_CONF['url_rewrite'], $_CONF['url_routing']);
/**
* Include Device Detect class
*
* @global $_DEVICE Device
*/
$_DEVICE = new Device();
// This is the security library used for application security
require_once $_CONF['path_system'] . 'lib-security.php';
// This is the syndication library used to offer (RSS) feeds.
require_once $_CONF['path_system'] . 'lib-syndication.php';
// This is the topic library used to manage topics.
require_once $_CONF['path_system'] . 'lib-topic.php';
// This is the block library used to manage blocks.
require_once $_CONF['path_system'] . 'lib-block.php';
// This is the likes library used to manage and display the likes and dislikes.
require_once $_CONF['path_system'].'lib-likes.php';
/**
* These variables were taken out of the configuration and placed here since they
* are necessary to change with the themes, not whole sites. They should now be
* overridden by setting them to a different value than here in the theme's
* function.php or in lib-custom.php. Therefore they are NOT TO BE CHANGED HERE.
*/
$_CONF['left_blocks_in_footer'] = 0; // use left blocks in header
$_CONF['right_blocks_in_footer'] = 1; // use right blocks in footer
$_CONF['theme_oauth_icons'] = 0; // 0 - Use Geeklogs OAuth icons. 1 - Use theme OAuth icons
/**
* This is the custom library.
* It is the sandbox for every Geeklog Admin to play in.
* The lib-custom.php as shipped will never contain required code,
* so it's safe to always use your own copy.
* This should hold all custom hacks to make upgrading easier.
*/
if (file_exists($_CONF['path_system'] . 'lib-custom.php')) {
require_once $_CONF['path_system'] . 'lib-custom.php';
}
// Session management library
require_once $_CONF['path_system'] . 'lib-sessions.php';
SESS_sessionCheck(); // Load user data
TimeZoneConfig::setUserTimeZone();
if (COM_isAnonUser()) {
$_USER['advanced_editor'] = $_CONF['advanced_editor'];
}
// Initiate global topic variable
// This variable contains the current topic id
// It can be set by anything that uses topics like index.php (topics), article, directory, staticpages, other potential plugins.
// Retrieved usually via TOPIC_getTopic by the page (last topic is stored as a session var which TOPIC_getTopic uses)
// Was retrieved here at one point but url_rewrite caused issues as lib-common doesn't know the difference between url rewritten topic urls, article urls, staticpage urls, etc...
$topic = '';
// Set theme
$useTheme = '';
if (isset($_POST['usetheme'])) {
$useTheme = COM_sanitizeFilename($_POST['usetheme'], true);
}
if (!empty($useTheme) && is_dir($_CONF['path_themes'] . $useTheme)) {
$_CONF['theme'] = $useTheme;
$_CONF['path_layout'] = $_CONF['path_themes'] . $_CONF['theme'] . '/';
$_CONF['layout_url'] = $_CONF['site_url'] . '/layout/' . $_CONF['theme'];
} elseif ($_CONF['allow_user_themes'] == 1) {
if (isset($_COOKIE[$_CONF['cookie_theme']]) && empty($_USER['theme'])) {
$theme = COM_sanitizeFilename($_COOKIE[$_CONF['cookie_theme']], true);
if (is_dir($_CONF['path_themes'] . $theme)) {
$_USER['theme'] = $theme;
}
}
if (!empty($_USER['theme'])) {
if (is_dir($_CONF['path_themes'] . $_USER['theme'])) {
$_CONF['theme'] = $_USER['theme'];
$_CONF['path_layout'] = $_CONF['path_themes'] . $_CONF['theme'] . '/';
$_CONF['layout_url'] = $_CONF['site_url'] . '/layout/' . $_CONF['theme'];
} else {
$_USER['theme'] = $_CONF['theme'];
}
}
}
// Fix a wrong theme name, since "professional" and "professional_css" themes are deprecated as of Geeklog 2.1.2
if (($_CONF['theme'] === 'professional') || ($_CONF['theme'] === 'professional_css')) {
$_CONF['theme'] = $_USER['theme'] = 'denim';
$_CONF['path_layout'] = $_CONF['path_themes'] . $_CONF['theme'] . '/';
$_CONF['layout_url'] = $_CONF['site_url'] . '/layout/' . $_CONF['theme'];
if (!headers_sent()) {
@setcookie(
$_CONF['cookie_theme'], 'denim', time() + 31536000, $_CONF['cookie_path'],
$_CONF['cookiedomain'], $_CONF['cookiesecure']
);
}
}
// Include theme functions file which may/may not do anything
if (file_exists($_CONF['path_layout'] . 'functions.php')) {
require_once $_CONF['path_layout'] . 'functions.php';
}
// Get the configuration values from the theme
$_CONF['theme_default'] = ''; // Default is none
$_CONF['path_layout_default'] = ''; // Default is none
$_CONF['supported_version_theme'] = '1.8.1'; // if the themes supported version of the theme engine not found assume lowest version
$_CONF['theme_etag'] = false;
$_CONF['theme_plugins'] = ''; // Default is none - CANNOT be a child theme
$_CONF['theme_options'] = array(); // Default is empty array
$func = "theme_config_" . $_CONF['theme'];
if (function_exists($func)) {
$theme_config = $func();
$_CONF['doctype'] = $theme_config['doctype'];
$_IMAGE_TYPE = $theme_config['image_type'];
if (isset($theme_config['theme_default'])) {
$_CONF['theme_default'] = $theme_config['theme_default'];
$_CONF['path_layout_default'] = $_CONF['path_themes'] . $_CONF['theme_default'] . '/';
}
$_CONF['supported_version_theme'] = (!isset($theme_config['supported_version_theme']))
? $_CONF['supported_version_theme'] : $theme_config['supported_version_theme'];
$_CONF['theme_etag'] = (!isset($theme_config['etag']))
? $_CONF['theme_etag'] : $theme_config['etag'];
if ($_CONF['theme_etag'] && !file_exists($_CONF['path_layout'] . 'style.css.php')) {
// See if style.css.php file exists that is required
$_CONF['theme_etag'] = false;
}
if (isset($theme_config['theme_plugins'])) {
// EXPERIMENTAL for supported_version_theme v2.2.0 and higher (See Geeklog Core theme functions.php and theme_plugins for further explanation or https://github.com/Geeklog-Core/geeklog/issues/767)
$_CONF['theme_plugins'] = $theme_config['theme_plugins'];
}
if (isset($theme_config['options']) && is_array($theme_config['options'])) {
$_CONF['theme_options'] = $theme_config['options'];
}
}
/**
* This provides the ability to set css and javascript.
*
* @global $_SCRIPTS Geeklog\Resource
*/
$_SCRIPTS = new Resource($_CONF);
/**
* themes can specify the default image type
* fall back to 'gif' if they don't
*
* @global $_IMAGE_TYPE string
*/
if (empty($_IMAGE_TYPE)) {
$_IMAGE_TYPE = 'gif';
}
// Ensure XHTML constant is defined to avoid problems elsewhere
if (!defined('XHTML')) {
switch ($_CONF['doctype']) {
case 'xhtml10transitional':
case 'xhtml10strict':
case 'xhtml5':
define('XHTML', ' /');
break;
default:
define('XHTML', '');
break;
}
}
// Set template class default template variables option
/**
* @global $TEMPLATE_OPTIONS array
*/
$TEMPLATE_OPTIONS = array(
'path_cache' => $_CONF['path_data'] . 'layout_cache/', // location of template cache
'path_prefixes' => array( // used to strip directories off file names. Order is important here.
$_CONF['path_themes'], // this is not path_layout. When stripping directories, you want files in different themes to end up in different directories.
$_CONF['path'],
'/' // this entry must always exist and must always be last
),
'incl_phpself_header' => true, // set this to true if your template cache exists within your web server's docroot.
'cache_by_language' => true, // create cache directories for each language. Takes extra space but moves all $LANG variable text directly into the cached file
'cache_for_mobile' => $_CONF['cache_mobile'], // create cache directories for mobile devices. Non mobile devices uses regular directory. If disabled mobile uses regular cache files. Takes extra space
'default_vars' => array( // list of vars found in all templates.
'xhtml' => XHTML,
'image_type' => $_IMAGE_TYPE,
'site_url' => $_CONF['site_url'],
'site_admin_url' => $_CONF['site_admin_url'],
'layout_url' => $_CONF['layout_url'], // Can be set by lib-common on theme change
'anonymous_user' => COM_isAnonUser(),
'device_mobile' => $_DEVICE->is_mobile(),
'front_page' => COM_onFrontpage(),
'current_url' => COM_getCurrentURL()
),
'hook' => array('set_root' => 'CTL_setTemplateRoot'), // Function found in lib-template and is used to add the ability for child themes. CTL_setTemplateRoot will be depreciated as of Geeklog 3.0.0.
);
Autoload::load('template');
// Template library contains helper functions for template class
require_once $_CONF['path_system'] . 'lib-template.php';
// Set language
$_CONF['language_site_default'] = $_CONF['language']; // Store original site default language before it may get changed depending on other settings
if (isset($_COOKIE[$_CONF['cookie_language']]) && empty($_USER['language'])) {
$language = COM_sanitizeFilename($_COOKIE[$_CONF['cookie_language']]);
if (is_file($_CONF['path_language'] . $language . '.php') &&
($_CONF['allow_user_language'] == 1)
) {
$_USER['language'] = $language;
$_CONF['language'] = $language;
}
} elseif (!empty($_USER['language'])) {
if (is_file($_CONF['path_language'] . $_USER['language'] . '.php') &&
($_CONF['allow_user_language'] == 1)
) {
$_CONF['language'] = $_USER['language'];
}
} elseif (!empty($_CONF['languages']) && !empty($_CONF['language_files'])) {
$_CONF['language'] = COM_getLanguage();
}
// Include a language file
require_once $_CONF['path_language'] . $_CONF['language'] . '.php';
if (empty($LANG_DIRECTION)) {
// default to left-to-right
$LANG_DIRECTION = 'ltr';
}
COM_switchLocaleSettings();
if (setlocale(LC_ALL, $_CONF['locale']) === false) {
setlocale(LC_TIME, $_CONF['locale']);
}
// Override language items (since v2.1.2)
Language::init();
$language_overrides = array(
'LANG01', 'LANG03', 'LANG04', 'LANG_MYACCOUNT', 'LANG05', 'LANG08', 'LANG09',
'LANG10', 'LANG11', 'LANG12', 'LANG_LOGVIEW', 'LANG_ENVCHECK', 'LANG20',
'LANG21', 'LANG24', 'LANG27', 'LANG28', 'LANG29', 'LANG31', 'LANG32', 'LANG33',
'MESSAGE', 'LANG_ACCESS', 'LANG_DB_BACKUP', 'LANG_BUTTONS', 'LANG_404',
'LANG_LOGIN', 'LANG_TRB', 'LANG_DIR', 'LANG_SECTEST', 'LANG_WHATSNEW', 'LANG_MONTH',
'LANG_WEEK', 'LANG_ADMIN', 'LANG_commentcodes', 'LANG_commentmodes',
'LANG_cookiecodes', 'LANG_dateformats', 'LANG_featurecodes', 'LANG_frontpagecodes',
'LANG_postmodes', 'LANG_sortcodes', 'LANG_trackbackcodes', 'LANG_CONFIG',
'LANG_VALIDATION');
$language_overrides = array_merge($language_overrides, PLG_getLanguageOverrides());
Language::override($language_overrides);
/**
* Global array of groups current user belongs to
*
* @global $_GROUPS array
*/
$_GROUPS = COM_isAnonUser() ? SEC_getUserGroups(1) : SEC_getUserGroups($_USER['uid']);
/**
* Global array of current user permissions [read,edit]
*
* @global $_RIGHTS array
*/
$_RIGHTS = explode(',', SEC_getUserPermissions());
// Include scripts on behalf of the theme
$func = 'theme_css_' . $_CONF['theme'];
if (function_exists($func)) {
foreach ($func() as $info) {
$file = (!empty($info['file'])) ? $info['file'] : '';
$name = (!empty($info['name'])) ? $info['name'] : md5(!empty($file) ? $file : strval(time()));
$constant = (!empty($info['constant'])) ? $info['constant'] : true;
$attributes = (!empty($info['attributes'])) ? $info['attributes'] : array();
$priority = (!empty($info['priority'])) ? $info['priority'] : 100;
$_SCRIPTS->setCSSFile($name, $file, $constant, $attributes, $priority, 'theme');
}
}
$func = 'theme_js_libs_' . $_CONF['theme'];
if (function_exists($func)) {
foreach ($func() as $info) {
$footer = true;
if (isset($info['footer']) && !$info['footer']) {
$footer = false;
}
$_SCRIPTS->setJavaScriptLibrary($info['library'], $footer);
}
}
$func = 'theme_js_files_' . $_CONF['theme'];
if (function_exists($func)) {
foreach ($func() as $info) {
$footer = true;
if (isset($info['footer']) && !$info['footer']) {
$footer = false;
}
$priority = (!empty($info['priority'])) ? $info['priority'] : 100;
$_SCRIPTS->setJavaScriptFile(md5($info['file']), $info['file'], $footer, $priority);
}
}
$func = 'theme_js_' . $_CONF['theme'];
if (function_exists($func)) {
foreach ($func() as $info) {
$wrap = true;
if (isset($info['wrap']) && !$info['wrap']) {
$wrap = false;
}
$footer = true;
if (isset($info['footer']) && !$info['footer']) {
$footer = false;
}
$_SCRIPTS->setJavaScript($info['code'], $wrap, $footer);
}
}
$func = 'theme_init_' . $_CONF['theme'];
if (function_exists($func)) {
$func();
}
unset($theme_config, $func);
// Forcibly enable Resource cache if current theme is compatible with Modern Curve theme
if ($_SCRIPTS->isCompatibleWithModernCurveTheme()) {
$_CONF['cache_resource'] = true;
}
// Disable Resource cache (combined and minified CSS and JavaScript files)
if (isset($_CONF['cache_resource']) && !$_CONF['cache_resource']) {
Cache::disable();
};
// Clear out any expired sessions
DB_lockTable($_TABLES['sessions']);
DB_query("UPDATE {$_TABLES['sessions']} SET whos_online = 0 WHERE start_time < " . (time() - $_CONF['whosonline_threshold']));
DB_unlockTable($_TABLES['sessions']);
/**
* Build global array of Topics current user has access to
*
* @global $_TOPICS array
*/
// Figure out if we need to update topic tree or retrieve it from the cache
// For anonymous users topic tree data can be shared
$cacheInstance = 'topic_tree__' . CACHE_security_hash();
$serialized_topic_tree = CACHE_check_instance($cacheInstance, true, true); // Not language or mobile cache specific (as this is ALL topic information)
// See if Topic Tree cache exists
if (empty($serialized_topic_tree)) {
$_TOPICS = TOPIC_buildTree(TOPIC_ROOT, true);
// Need this check since this variable is not set correctly when Geeklog is being install
if (isset($GLOBALS['TEMPLATE_OPTIONS']) && is_array($TEMPLATE_OPTIONS) && isset($TEMPLATE_OPTIONS['path_cache'])) {
// Save updated topic tree and date
CACHE_create_instance($cacheInstance, serialize($_TOPICS), true, true); // Not language or mobile cache specific
}
} else {
$_TOPICS = unserialize($serialized_topic_tree);
}
// Figure out if we need to update article feeds. Check last article date published in feed
$sql = "SELECT date FROM {$_TABLES['stories']} "
. "WHERE draft_flag = 0 AND date <= NOW() AND perm_anon > 0 "
. "ORDER BY date DESC LIMIT 1";
$result = DB_query($sql);
$A = DB_fetchArray($result);
if ($_VARS['last_article_publish'] != $A['date']) {
//Set new latest article published
// Below similar to what is run in STORY_updateLastArticlePublished
DB_query("UPDATE {$_TABLES['vars']} SET value='{$A['date']}' WHERE name='last_article_publish'");
// We need to see if there are currently two featured articles (because of future article).
// Can only have one but you can have one current featured article
// and one for the future...this check will set the latest one as featured
// solely
COM_featuredCheck();
// Geeklog now allows for articles to be published in the future. Because of
// this, we need to check to see if we need to rebuild the RDF file in the case
// that any such articles have now been published. Need to do this for comments
// as well since article can have comments
COM_rdfUpToDateCheck('article');
COM_rdfUpToDateCheck('comment');
// If what's new block is cached, clear it since new article(s) are now online
if ($_CONF['whatsnew_cache_time'] > 0) {
$cacheInstance = 'whatsnew__'; // remove all what's new instances
CACHE_remove_instance($cacheInstance);
}
}
/**
* This provides the ability to generate structure data based on types from schema.org to
*/
Autoload::load('structureddata');
$_STRUCT_DATA = new StructuredData();
// +---------------------------------------------------------------------------+
// | HTML WIDGETS |
// +---------------------------------------------------------------------------+
/**
* Return the file to use for a block template.
* This returns the template needed to build the HTML for a block. This function
* allows designers to give a block it's own custom look and feel. If no
* templates for the block are specified, the default blockheader.html and
* blockfooter.html will be used.
*
* @param string $blockName corresponds to name field in block table
* @param string $which can be either 'header' or 'footer' for corresponding template
* @param string $position can be 'left', 'right' or blank. If set, will be used to find a side specific
* override template.
* @param string $plugin name of plugin with blocks location
* @see function COM_startBlock
* @see function COM_endBlock
* @see function COM_showBlocks
* @see function COM_showBlock
* @return string template name
*/
function COM_getBlockTemplate($blockName, $which, $position = '', $plugin = '')
{
global $_BLOCK_TEMPLATE, $_COM_VERBOSE, $_CONF;
if ($_COM_VERBOSE) {
COM_errorLog("_BLOCK_TEMPLATE[$blockName] = " . $_BLOCK_TEMPLATE[$blockName], 1);
}
$template = ($which === 'header') ? 'blockheader.thtml' : 'blockfooter.thtml';
if (!empty($_BLOCK_TEMPLATE[$blockName])) {
$i = ($which === 'header') ? 0 : 1;
$templates = explode(',', $_BLOCK_TEMPLATE[$blockName]);
if (count($templates) === 2 && !empty($templates[$i])) {
$template = $templates[$i];
}
}
// If we have a position specific request, and the template is not already
// position specific then look to see if there is a position specific
// override.
$templateLC = strtolower($template);
if (!empty($position) && (strpos($templateLC, $position) === false)) {
// Trim .thtml from the end.
$positionSpecific = substr($template, 0, strlen($template) - 6);
$positionSpecific .= '-' . $position . '.thtml';
$templatefound = false;
if (!empty($plugin)) {
$plugin_template_paths = CTL_plugin_templatePath($plugin);
foreach($plugin_template_paths as $plugin_template_path) {
if (file_exists($plugin_template_path . '/' . $positionSpecific)) {
$template = $positionSpecific;
$templatefound = true; // If found don't need to search theme or theme default if exist
break;
}
}
}
if (!$templatefound && file_exists($_CONF['path_layout'] . $positionSpecific)) {
$template = $positionSpecific;
$templatefound = true; // If found don't need to search theme default if exist
}
// See if default theme if so check there
if (!$templatefound && !empty($_CONF['theme_default'])) {
if (file_exists($_CONF['path_layout_default'] . $positionSpecific)) {
$template = $positionSpecific;
}
}
}
if ($_COM_VERBOSE) {
COM_errorLog("Block template for the $which of $blockName is: $template", 1);
}
return $template;
}
/**
* Gets all installed themes
* Returns a list of all the directory names in $_CONF['path_themes'], i.e.
* a list of all the theme names.
*
* @param boolean $all if true, return all themes even if users aren't allowed to change their default themes
* @return array All installed themes
*/
function COM_getThemes($all = false)
{
global $_CONF;
$index = 1;
$themes = array();
// If users aren't allowed to change their theme then only return the default theme
if (($_CONF['allow_user_themes'] == 0) && !$all) {
$themes[$index] = $_CONF['theme'];
} else {
$fd = opendir($_CONF['path_themes']);
while (($dir = @readdir($fd)) !== false) {
if (is_dir($_CONF['path_themes'] . $dir) && ($dir !== '.') && ($dir !== '..') &&
($dir !== 'CVS') && (substr($dir, 0, 1) !== '.')
) {
clearstatcache();
$themes[$index] = $dir;
$index++;
}
}
}
return $themes;
}
/**
* Create the menu, i.e. replace {menu_elements} in the site header with the
* actual menu entries.
*
* @param Template $header reference to the header template
* @param array $plugin_menu array of plugin menu entries, if any
*/
function COM_renderMenu($header, $plugin_menu)
{
global $_CONF, $LANG01, $topic;
if (empty($_CONF['menu_elements'])) {
$_CONF['menu_elements'] = array( // default set of links
'contribute', 'search', 'stats', 'directory', 'plugins',
);
}
$anon = COM_isAnonUser();
$menuCounter = 0;
$allowedCounter = 0;
$counter = 0;
$custom_entries = array();
$num_plugins = count($plugin_menu);
if (($num_plugins === 0) && in_array('plugins', $_CONF['menu_elements'])) {
$key = array_search('plugins', $_CONF['menu_elements']);
unset($_CONF['menu_elements'][$key]);
}
if (in_array('custom', $_CONF['menu_elements'])) {
if (function_exists('CUSTOM_menuEntries')) {
$custom_entries = CUSTOM_menuEntries();
}
if (count($custom_entries) === 0) {
$key = array_search('custom', $_CONF['menu_elements']);
unset($_CONF['menu_elements'][$key]);
}
}
$num_elements = count($_CONF['menu_elements']);
foreach ($_CONF['menu_elements'] as $item) {
$counter++;
$allowed = true;
$last_entry = ($counter == $num_elements);
switch ($item) {
case 'contribute':
$url = $_CONF['site_url'] . '/submit.php?type=story';
$header->set_var('current_topic', '');
$label = $LANG01[71];
if ($anon && ($_CONF['loginrequired'] ||
$_CONF['submitloginrequired'])
) {
$allowed = false;
}
break;
case 'custom':
if (function_exists('CUSTOM_renderMenu')) {
CUSTOM_renderMenu($header, $custom_entries, $menuCounter);
} else {
$custom_count = 0;
$custom_size = count($custom_entries);
foreach ($custom_entries as $entry) {
$custom_count++;
if (empty($entry['url']) || empty($entry['label'])) {
continue;
}
$header->set_var('menuitem_url', $entry['url']);
$header->set_var('menuitem_text', $entry['label']);
if ($last_entry && ($custom_count == $custom_size)) {
$header->parse('menu_elements', 'menuitem_last',
true);
} else {
$header->parse('menu_elements', 'menuitem', true);
}
$menuCounter++;
}
}
$url = '';
$label = '';
break;
case 'directory':
$url = $_CONF['site_url'] . '/directory.php';
if (!empty($topic)) {
$url = COM_buildURL($url . '?topic=' . urlencode($topic));
}
$label = $LANG01[117];
if ($anon && ($_CONF['loginrequired'] || $_CONF['directoryloginrequired'])) {
$allowed = false;
}
break;
case 'home':
$url = $_CONF['site_url'] . '/';
$label = $LANG01[90];
break;
case 'plugins':
for ($i = 1; $i <= $num_plugins; $i++) {
$header->set_var('menuitem_url', current($plugin_menu));
$header->set_var('menuitem_text', key($plugin_menu));
if ($last_entry && ($i == $num_plugins)) {
$header->parse('menu_elements', 'menuitem_last',
true);
} else {
$header->parse('menu_elements', 'menuitem', true);
}
$menuCounter++;
next($plugin_menu);
}
$url = '';
$label = '';
break;
case 'login':
if ($anon) {
$url = $_CONF['site_url'] . '/users.php';
$label = $LANG01[58];
} else {
$url = $_CONF['site_url'] . '/users.php?mode=logout';
$label = $LANG01[35];
}
break;
case 'prefs':
if ($anon) {
$url = '';
$label = '';
} else {
$url = $_CONF['site_url'] . '/usersettings.php';
$label = $LANG01[48];
}
break;
case 'search':
$url = $_CONF['site_url'] . '/search.php';
$label = $LANG01[75];
if ($anon && ($_CONF['loginrequired'] || $_CONF['searchloginrequired'])) {
$allowed = false;
}
break;
case 'stats':
$url = $_CONF['site_url'] . '/stats.php';
$label = $LANG01[76];
if ($anon &&
($_CONF['loginrequired'] || $_CONF['statsloginrequired'])
) {
$allowed = false;
}
break;
default: // unknown entry
$url = '';
$label = '';
break;
}
if (!empty($url) && !empty($label)) {
$header->set_var('menuitem_url', $url);
$header->set_var('menuitem_text', $label);
if ($last_entry) {
$header->parse('menu_elements', 'menuitem_last', true);
} else {
$header->parse('menu_elements', 'menuitem', true);
}
$menuCounter++;
if ($allowed) {
if ($last_entry) {
$header->parse('allowed_menu_elements', 'menuitem_last',
true);
} else {
$header->parse('allowed_menu_elements', 'menuitem', true);
}
$allowedCounter++;
}
}
}
if ($menuCounter == 0) {
$header->parse('menu_elements', 'menuitem_none', true);
}
if ($allowedCounter == 0) {
$header->parse('allowed_menu_elements', 'menuitem_none', true);
}
}
/**
* Create and return the HTML document
*
* @param string $content Main content for the page
* @param array $information An array defining variables to be used when creating the output
* string 'what' If 'none' then no left blocks are returned, if 'menu'
* (default) then right blocks are returned string 'pagetitle' Optional content for
* the page's <title> string 'breadcrumbs' Optional content for the page's breadcrumb
* string 'headercode' Optional code to go into the page's <head> boolean
* 'rightblock' Whether or not to show blocks on right hand side default is no (-1)
* array 'custom' An array defining custom function to be used to format
* Rightblocks
* @return string Formatted HTML document
*/
function COM_createHTMLDocument(&$content = '', $information = array())
{
global $_CONF, $_VARS, $_TABLES, $_USER, $LANG01, $LANG_BUTTONS, $LANG_DIRECTION,
$_IMAGE_TYPE, $topic, $_COM_VERBOSE, $_SCRIPTS, $_STRUCT_DATA, $_PAGE_TIMER;
// Retrieve required variables from information array
$what = isset($information['what']) ? $information['what'] : 'menu';
$pageTitle = isset($information['pagetitle']) ? $information['pagetitle'] : '';
$headerCode = isset($information['headercode']) ? $information['headercode'] : '';
$breadcrumbs = isset($information['breadcrumbs']) ? $information['breadcrumbs'] : '';
$rightBlock = isset($information['rightblock']) ? $information['rightblock'] : -1;
$custom = isset($information['custom']) ? $information['custom'] : '';
$relLinks = array();
// If the theme does not support the CSS layout then call the legacy functions (Geeklog 1.8.1 and older).
if ($_CONF['supported_version_theme'] === '1.8.1') {
die('COM_siteHeader and COM_siteFooter are removed. Please use COM_createHTMLDocument instead.');
}
// If the theme implemented this for us then call their version instead.
$function = $_CONF['theme'] . '_createHTMLDocument';
if (function_exists($function)) {
return $function($content, $information);
}
// If we reach here then either we have the default theme OR
// the current theme only needs the default variable substitutions
switch ($_CONF['doctype']) {
case 'html401transitional':
$docType = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">';
break;
case 'html401strict':
$docType = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">';
break;
case 'xhtml10transitional':
$docType = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
break;
case 'xhtml10strict':
$docType = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
break;
case 'html5':
case 'xhtml5':
$docType = '<!DOCTYPE html>';
break;
default: // fallback: HTML 4.01 Transitional w/o system identifier
$docType = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">';
break;
}
// send out the charset header
header('Content-Type: text/html; charset=' . COM_getCharset());
header('X-XSS-Protection: 1; mode=block');
header('X-Content-Type-Options: nosniff');
if (!empty($_CONF['frame_options'])) {
header('X-FRAME-OPTIONS: ' . $_CONF['frame_options']);
}
$header = COM_newTemplate(CTL_core_templatePath($_CONF['path_layout']));
$header->set_file(array(
'header' => 'header.thtml',
'menunavigation' => 'menunavigation.thtml',
'leftblocks' => 'leftblocks.thtml',
'rightblocks' => 'rightblocks.thtml',
));
$blocks = array('menuitem', 'menuitem_last', 'menuitem_none');
foreach ($blocks as $block) {
$header->set_block('menunavigation', $block);
}
$header->parse('menu_elements', 'menunavigation', true);
$header->set_var('doctype', $docType . LB);
COM_setLangIdAndAttribute($header);
$langId = $header->get_var('lang_id');