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<?php////////////////////////////////////////////////////////////////////////////////// //// Copyright (C) 2006 Phorum Development Team //// http://www.phorum.org //// //// This program is free software. You can redistribute it and/or modify //// it under the terms of either the current Phorum License (viewable at //// phorum.org) or the Phorum License that was distributed with this file //// //// 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. //// //// You should have received a copy of the Phorum License //// along with this program. //////////////////////////////////////////////////////////////////////////////////// Check that this file is not loaded directly.if ( basename( __FILE__ ) == basename( $_SERVER["PHP_SELF"] ) ) exit();// all other constants in ./include/constants.phpdefine( "PHORUM", "5.1.10" );// our internal version in format of year-month-day-serialdefine( "PHORUMINTERNAL", "2005120400" );define( "DEBUG", 0 );include_once( "./include/constants.php" );// setup the PHORUM var$PHORUM = array();// temp member to hold arrays and such in templates$PHORUM["TMP"] = array();// The data member is the data the templates can access$PHORUM["DATA"] = array();$PHORUM["DATA"]["GET_VARS"] = array();$PHORUM["DATA"]["POST_VARS"] = "";// get the forum id if set with a postif ( isset( $_REQUEST["forum_id"] ) && is_numeric( $_REQUEST["forum_id"] ) ) {$PHORUM["forum_id"] = $_REQUEST["forum_id"];}// strip the slashes off of POST data if magic_quotes is onif ( get_magic_quotes_gpc() && count( $_REQUEST ) ) {foreach( $_POST as $key => $value ) {if ( !is_array( $value ) )$_POST[$key] = stripslashes( $value );else$_POST[$key] = phorum_recursive_stripslashes( $value );}foreach( $_GET as $key => $value ) {if ( !is_array( $value ) )$_GET[$key] = stripslashes( $value );else$_GET[$key] = phorum_recursive_stripslashes( $value );}}// look for and parse the QUERY_STRING// this only applies to urls that we create.// scrips using urls from forms (search) should use $_GET or $_POSTif ( !defined( "PHORUM_ADMIN" ) ) {if ( isset( $_SERVER["QUERY_STRING"] ) || isset( $PHORUM["CUSTOM_QUERY_STRING"] ) ) {$Q_STR = empty( $GLOBALS["PHORUM_CUSTOM_QUERY_STRING"] ) ? $_SERVER["QUERY_STRING"]: $GLOBALS["PHORUM_CUSTOM_QUERY_STRING"];// ignore stuff past a #if ( strstr( $Q_STR, "#" ) ) list( $Q_STR, $other ) = explode( "#", $Q_STR );// explode it on comma$PHORUM["args"] = explode( ",", $Q_STR );// check for any assigned valuesif ( strstr( $Q_STR, "=" ) ) {foreach( $PHORUM["args"] as $key => $arg ) {// if an arg has an = create an element in args// with left part as key and right part as valueif ( strstr( $arg, "=" ) ) {list( $var, $value ) = explode( "=", $arg );$PHORUM["args"][$var] = urldecode( $value );// get rid of the numbered arg, it is useless.unset( $PHORUM["args"][$key] );}}}// set forum_id if not set already byif ( empty( $PHORUM["forum_id"] ) && isset( $PHORUM["args"][0] ) ) {$PHORUM["forum_id"] = ( int )$PHORUM["args"][0];}}}// set the forum_id to 0 if not set by now.if ( empty( $PHORUM["forum_id"] ) ) $PHORUM["forum_id"] = 0;// Get the database settings.if ( empty( $GLOBALS["PHORUM_ALT_DBCONFIG"] ) || $GLOBALS["PHORUM_ALT_DBCONFIG"]==$_REQUEST["PHORUM_ALT_DBCONFIG"] || !defined("PHORUM_WRAPPER") ) {// Backup display_errors setting.$orig = ini_get("display_errors");ini_set("display_errors", 0);// Load configuration.if (! include_once( "./include/db/config.php" )) {print '<html><head><title>Phorum error</title></head><body>';print '<h2>Phorum database configuration error</h2>';// No database configuration found.if (!file_exists("./include/db/config.php")) { ?>Phorum has been installed on this server, but the configuration<br/>for the database connection has not yet been made. Please read<br/><a href="docs/install.txt">docs/install.txt</a> for installation instructions. <?php} else {$fp = fopen("./include/db/config.php", "r");// Unable to read the configuration file.if (!$fp) { ?>A database configuration file was found in ./include/db/config.php,<br/>but Phorum was unable to read it. Please check the file permissions<br/>for this file. <?php// Unknown error.} else {fclose($fp); ?>A database configuration file was found in ./include/dbconfig.php,<br/>but it could not be loaded. It possibly contains one or more errors.<br/>Please check your configuration file. <?php}}print '</body></html>';exit(1);}// Restore original display_errors setting.ini_set("display_errors", $orig);} else {$PHORUM["DBCONFIG"] = $GLOBALS["PHORUM_ALT_DBCONFIG"];}// Load the database layer.include_once( "./include/db/{$PHORUM['DBCONFIG']['type']}.php" );if(!phorum_db_check_connection()){if(isset($PHORUM["DBCONFIG"]["down_page"])){header("Location: ".$PHORUM["DBCONFIG"]["down_page"]);exit();} else {echo "The database connection failed. Please check your database configuration in include/db/config.php. If the configuration is okay, check if the database server is running.";exit();}}// get the Phorum settingsphorum_db_load_settings();// a hook for rewriting vars at the beginning of common.php,//right after loading the settings from the databasephorum_hook( "common_pre", "" );include_once( "./include/cache.php" );// stick some stuff from the settings into the DATA member$PHORUM["DATA"]["TITLE"] = ( isset( $PHORUM["title"] ) ) ? $PHORUM["title"] : "";$PHORUM["DATA"]["HTML_TITLE"] = ( !empty( $PHORUM["html_title"] ) ) ? $PHORUM["html_title"] : $PHORUM["DATA"]["TITLE"];$PHORUM["DATA"]["HEAD_TAGS"] = ( isset( $PHORUM["head_tags"] ) ) ? $PHORUM["head_tags"] : "";$PHORUM["DATA"]["FORUM_ID"] = $PHORUM["forum_id"];////////////////////////////////////////////////////////////// only do this stuff if we are not in the adminif ( !defined( "PHORUM_ADMIN" ) ) {// if the Phorum is disabled, display a message.if(isset($PHORUM["status"]) && $PHORUM["status"]=="disabled"){if(!empty($PHORUM["disabled_url"])){header("Location: ".$PHORUM["disabled_url"]);exit();} else {echo "This Phorum is currently disabled. Please contact the web site owner at ".$PHORUM['system_email_from_address']." for more information.\n";exit();}}// checking for upgrade or new installif ( !isset( $PHORUM['internal_version'] ) ) {echo "<html><head><title>Phorum error</title></head><body>No Phorum settings were found. Either this is a brand new installation of Phorum or there is an error with your database server. If this is a new install, please <a href=\"admin.php\">go to the admin page</a> to complete the installation. If not, check your database server.</body></html>";exit();} elseif ( $PHORUM['internal_version'] < PHORUMINTERNAL ) {echo "<html><head><title>Error</title></head><body>Looks like you have installed a new version. Go to the admin to complete the upgrade!</body></html>";exit();}// load the forum's settingsif ( !empty( $PHORUM["forum_id"] ) ) {$forum_settings = phorum_db_get_forums( $PHORUM["forum_id"] );if ( empty( $forum_settings[$PHORUM["forum_id"]] ) ) {phorum_hook( "common_no_forum", "" );phorum_redirect_by_url( phorum_get_url( PHORUM_INDEX_URL ) );exit();}$PHORUM = array_merge( $PHORUM, $forum_settings[$PHORUM["forum_id"]] );} else {// some defaults we might need if no forum is set (i.e. on the index-page)$PHORUM['vroot']=0;$PHORUM['parent_id']=0;$PHORUM['active']=1;$PHORUM['folder_flag']=1;}// stick some stuff from the settings into the DATA member$PHORUM["DATA"]["NAME"] = ( isset( $PHORUM["name"] ) ) ? $PHORUM["name"] : "";$PHORUM["DATA"]["DESCRIPTION"] = ( isset( $PHORUM["description"] ) ) ? $PHORUM["description"] : "";$PHORUM["DATA"]["ENABLE_PM"] = ( isset( $PHORUM["enable_pm"] ) ) ? $PHORUM["enable_pm"] : "";if ( !empty( $PHORUM["DATA"]["HTML_TITLE"] ) && !empty( $PHORUM["DATA"]["NAME"] ) ) {$PHORUM["DATA"]["HTML_TITLE"] .= PHORUM_SEPARATOR;}$PHORUM["DATA"]["HTML_TITLE"] .= $PHORUM["DATA"]["NAME"];// check the user sessioninclude_once( "./include/users.php" );if ( phorum_user_check_session() ) {$PHORUM["DATA"]["LOGGEDIN"] = true;if(!$PHORUM["tight_security"] || phorum_user_check_session( PHORUM_SESSION_SHORT_TERM )){$PHORUM["DATA"]["FULLY_LOGGEDIN"] = true;} else {$PHORUM["DATA"]["FULLY_LOGGEDIN"] = false;}// Let the templates know whether we have new private messages.$PHORUM["DATA"]["NEW_PRIVATE_MESSAGES"] = 0;if ( $PHORUM["enable_pm"] && isset($PHORUM["user"]["new_private_messages"]) ) {$PHORUM["DATA"]["NEW_PRIVATE_MESSAGES"] = $PHORUM["user"]["new_private_messages"];}$PHORUM["DATA"]["notice_messages"] = false;$PHORUM["DATA"]["notice_users"] = false;$PHORUM["DATA"]["notice_groups"] = false;// if moderator notifications are on and the person is a mod, lets find out if anything is newif ( $PHORUM["enable_moderator_notifications"] ) {$forummodlist = phorum_user_access_list( PHORUM_USER_ALLOW_MODERATE_MESSAGES );if ( count( $forummodlist ) > 0 ) {$PHORUM["DATA"]["notice_messages"] = ( count( phorum_db_get_unapproved_list( $forummodlist, true ) ) > 0 );$PHORUM["DATA"]["notice_messages_url"] = phorum_get_url( PHORUM_CONTROLCENTER_URL, "panel=" . PHORUM_CC_UNAPPROVED );}if ( phorum_user_access_allowed( PHORUM_USER_ALLOW_MODERATE_USERS ) ) {$PHORUM["DATA"]["notice_users"] = ( count( phorum_db_user_get_unapproved() ) > 0 );$PHORUM["DATA"]["notice_users_url"] = phorum_get_url( PHORUM_CONTROLCENTER_URL, "panel=" . PHORUM_CC_USERS );}if ( phorum_user_allow_moderate_group() ) {$groups = phorum_user_get_moderator_groups();if ( count( $groups ) > 0 ) {$PHORUM["DATA"]["notice_groups"] = count( phorum_db_get_group_members( array_keys( $groups ), PHORUM_USER_GROUP_UNAPPROVED ) );$PHORUM["DATA"]["notice_groups_url"] = phorum_get_url( PHORUM_CONTROLCENTER_URL, "panel=" . PHORUM_CC_GROUP_MODERATION );}}}$PHORUM["DATA"]["notice_all"] = ( $PHORUM["enable_pm"] && phorum_page!="pm" && $PHORUM["DATA"]["NEW_PRIVATE_MESSAGES"] ) || $PHORUM["DATA"]["notice_messages"] || $PHORUM["DATA"]["notice_users"] || $PHORUM["DATA"]["notice_groups"];// if the user has overridden thread settings, change it here.if ( !isset( $PHORUM['display_fixed'] ) || !$PHORUM['display_fixed'] ) {if ( $PHORUM["user"]["threaded_list"] == PHORUM_THREADED_ON ) {$PHORUM["threaded_list"] = true;} elseif ( $PHORUM["user"]["threaded_list"] == PHORUM_THREADED_OFF ) {$PHORUM["threaded_list"] = false;}if ( $PHORUM["user"]["threaded_read"] == PHORUM_THREADED_ON ) {$PHORUM["threaded_read"] = true;} elseif ( $PHORUM["user"]["threaded_read"] == PHORUM_THREADED_OFF ) {$PHORUM["threaded_read"] = false;}}}// set up the blank user if not logged inif ( empty( $PHORUM["user"] ) ) {$PHORUM["user"] = array( "user_id" => 0, "username" => "", "admin" => false, "newinfo" => array() );$PHORUM["DATA"]["LOGGEDIN"] = false;}// a hook for rewriting vars in common.php after loading the userphorum_hook( "common_post_user", "" );// set up the template// check for a template being passed on the url// only use valid template namesif ( !empty( $PHORUM["args"]["template"] ) ) {$template = basename( $PHORUM["args"]["template"] );if ($template != '..') {$PHORUM["template"] = $template;}}// user output buffering so we don't get header errors// not loaded if we are running an external or scheduled scriptif (! defined('PHORUM_SCRIPT')) {ob_start();include_once( phorum_get_template( "settings" ) );ob_end_clean();}// get the language fileif ( ( !isset( $PHORUM['display_fixed'] ) || !$PHORUM['display_fixed'] ) && isset( $PHORUM['user']['user_language'] ) && !empty($PHORUM['user']['user_language']) )$PHORUM['language'] = $PHORUM['user']['user_language'];if ( !isset( $PHORUM["language"] ) || empty( $PHORUM["language"] ) || !file_exists( "./include/lang/$PHORUM[language].php" ) )$PHORUM["language"] = $PHORUM["default_language"];if ( file_exists( "./include/lang/$PHORUM[language].php" ) ) {include_once( "./include/lang/$PHORUM[language].php" );}// load languages for localized modulesif ( isset( $PHORUM["hooks"]["lang"] ) && is_array($PHORUM["hooks"]["lang"]) ) {foreach( $PHORUM["hooks"]["lang"]["mods"] as $mod ) {// load mods for this hookif ( file_exists( "./mods/$mod/lang/$PHORUM[language].php" ) ) {include_once "./mods/$mod/lang/$PHORUM[language].php";}elseif ( file_exists( "./mods/$mod/lang/english.php" ) ) {include_once "./mods/$mod/lang/english.php";}}}// HTML titles can't contain HTML code, so we strip HTML tags// and HTML escape the title.$PHORUM["DATA"]["HTML_TITLE"] = htmlentities(strip_tags($PHORUM["DATA"]["HTML_TITLE"]), ENT_COMPAT, $PHORUM["DATA"]["CHARSET"]);// if the Phorum is disabled, display a message.if(isset($PHORUM["status"]) && $PHORUM["status"]=="admin-only" && !$PHORUM["user"]["admin"]){// set all our URL'sphorum_build_common_urls();$PHORUM["DATA"]["MESSAGE"]=$PHORUM["DATA"]["LANG"]["AdminOnlyMessage"];include phorum_get_template("header");phorum_hook("after_header");include phorum_get_template("message");phorum_hook("before_footer");include phorum_get_template("footer");exit();}// a hook for rewriting vars at the end of common.phpphorum_hook( "common", "" );$PHORUM['DATA']['USERINFO'] = $PHORUM['user'];$PHORUM['DATA']['PHORUM_PAGE'] = phorum_page;$PHORUM['DATA']['USERTRACK'] = $PHORUM['track_user_activity'];}//////////////////////////////////////////////////////////// functions/*** A common function to check that a user is logged in*/function phorum_require_login(){$PHORUM = $GLOBALS['PHORUM'];if ( !$PHORUM["user"]["user_id"] ) {$url = phorum_get_url( PHORUM_LOGIN_URL, "redir=" . urlencode( $PHORUM["http_path"] . "/" . basename( $_SERVER["PHP_SELF"] ) . "?" . $_SERVER["QUERY_STRING"] ) );phorum_redirect_by_url( $url );exit();}}/*** A common function for checking the read-permissions for a forum-page* returns false if access is not allowed and an error page-was output*/function phorum_check_read_common(){$PHORUM = $GLOBALS['PHORUM'];$retval = true;if ( $PHORUM["forum_id"] > 0 && !$PHORUM["folder_flag"] && !phorum_user_access_allowed( PHORUM_USER_ALLOW_READ ) ) {if ( $PHORUM["DATA"]["LOGGEDIN"] ) {// if they are logged in and not allowed, they don't have rights$PHORUM["DATA"]["MESSAGE"] = $PHORUM["DATA"]["LANG"]["NoRead"];} else {// check if they could read if logged in.// if so, let them know to log in.if ( ( empty( $PHORUM["DATA"]["POST"]["parentid"] ) && $PHORUM["reg_perms"] &PHORUM_USER_ALLOW_READ ) ) {$PHORUM["DATA"]["MESSAGE"] = $PHORUM["DATA"]["LANG"]["PleaseLoginRead"];} else {$PHORUM["DATA"]["MESSAGE"] = $PHORUM["DATA"]["LANG"]["NoRead"];}}phorum_build_common_urls();include phorum_get_template( "header" );phorum_hook( "after_header" );include phorum_get_template( "message" );phorum_hook( "before_footer" );include phorum_get_template( "footer" );$retval = false;}return $retval;}// used for all url creation.function phorum_get_url(){$PHORUM = $GLOBALS["PHORUM"];$args = "";$url = "";$suffix = "";$add_forum_id = false;$add_get_vars = true;$argv = func_get_args();$type = array_shift( $argv );switch ( $type ) {case PHORUM_LIST_URL:$page = "list";if ( empty( $argv ) ) $add_forum_id = true;break;case PHORUM_READ_URL:$page = "read";$add_forum_id = true;if ( !empty( $argv[1] ) && is_numeric( $argv[1] ) ) $suffix = "#msg-$argv[1]";break;case PHORUM_FOREIGN_READ_URL:$page = "read";if ( !empty( $argv[2] ) && is_numeric( $argv[2] ) ) $suffix = "#msg-$argv[2]";break;case PHORUM_REPLY_URL:if(isset($PHORUM["reply_on_read_page"]) && $PHORUM["reply_on_read_page"]){$page = "read";$suffix = "#REPLY";} else {$page = "posting";// For reply on a separate page, we call posting.php on its own.// In that case argv[0] is the editor mode we want to use// (reply in this case). Currently, the thread id is in argv[0],// but we don't need that one for posting.php. So we simply// replace argv[0] with the correct argument.$argv[0] = "reply";}$add_forum_id = true;break;case PHORUM_POSTING_URL:$page = "posting";$add_forum_id = true;break;case PHORUM_REDIRECT_URL:$page = "redirect";$add_forum_id = false;break;case PHORUM_SEARCH_URL:$page = "search";$add_forum_id = true;break;case PHORUM_SEARCH_ACTION_URL:$page = "search";$add_get_vars = true;break;case PHORUM_DOWN_URL:$page = "down";$add_forum_id = true;break;case PHORUM_VIOLATION_URL:$page = "violation";$add_forum_id = true;break;case PHORUM_INDEX_URL:$page = "index";break;case PHORUM_LOGIN_URL:$page = "login";$add_forum_id = true;break;case PHORUM_LOGIN_ACTION_URL:$page = "login";break;case PHORUM_REGISTER_URL:$page = "register";$add_forum_id = true;break;case PHORUM_REGISTER_ACTION_URL:$page = "register";break;case PHORUM_PROFILE_URL:$page = "profile";$add_forum_id = true;break;case PHORUM_SUBSCRIBE_URL:$page = "subscribe";$add_forum_id = true;break;case PHORUM_MODERATION_URL:$page = "moderation";$add_forum_id = true;break;case PHORUM_MODERATION_ACTION_URL:$page = "moderation";$add_get_vars = false;break;case PHORUM_PREPOST_URL:$page = "control";$argv[] = "panel=messages";$add_forum_id = true;break;case PHORUM_CONTROLCENTER_URL:$page = "control";$add_forum_id = true;break;case PHORUM_CONTROLCENTER_ACTION_URL:$page = "control";break;case PHORUM_PM_URL:$page = "pm";$add_forum_id = true;break;case PHORUM_PM_ACTION_URL:$page = "pm";break;case PHORUM_FILE_URL:$page = "file";$add_forum_id = true;break;case PHORUM_FOLLOW_URL:$page = "follow";$add_forum_id = true;break;case PHORUM_FOLLOW_ACTION_URL:$page = "follow";$add_forum_id = false;break;case PHORUM_REPORT_URL:$page = "report";$add_forum_id = true;break;case PHORUM_RSS_URL:switch(phorum_page){case "list":$add_forum_id = true;break;case "read":$add_forum_id = true;array_push($argv, $PHORUM["args"]["1"]);break;}$page = "rss";break;// this is for adding own generic urlscase PHORUM_CUSTOM_URL:$page = array_shift($argv); // first arg is our page$add_forum_id_tmp=array_shift($argv); // second determining if we should add the forum_id$add_forum_id = $add_forum_id_tmp?true:false;break;case PHORUM_BASE_URL:// only to flag phorum_custom_get_url() that base url is requested$page = '';break;default:trigger_error( "Unhandled page type.", E_USER_WARNING );break;}// build the query string$query_items = array();if ( $add_forum_id ) {$query_items[] = ( int )$PHORUM["forum_id"];}if ( count( $argv ) > 0 ) {$query_items = array_merge( $query_items, $argv );}if ( !empty( $PHORUM["DATA"]["GET_VARS"] ) && $add_get_vars ) {$query_items = array_merge( $query_items, $PHORUM["DATA"]["GET_VARS"] );}// build the urlif ( !function_exists( "phorum_custom_get_url" ) ) {if ($type == PHORUM_BASE_URL) return $PHORUM["http_path"] . '/';$url = "$PHORUM[http_path]/$page." . PHORUM_FILE_EXTENSION;if ( count( $query_items ) ) $url .= "?" . implode( ",", $query_items );if ( !empty( $suffix ) ) $url .= $suffix;} else {$url = phorum_custom_get_url( $page, $query_items, $suffix );}return $url;}// retrieve the appropriate template file namefunction phorum_get_template( $page, $is_include = false ){$PHORUM = $GLOBALS["PHORUM"];if ( ( !isset( $PHORUM['display_fixed'] ) || !$PHORUM['display_fixed'] ) && isset( $PHORUM['user']['user_template'] ) && !empty($PHORUM['user']['user_template'])) {$PHORUM['template'] = $PHORUM['user']['user_template'];}// If no user template is set or if the template folder cannot be found,// fallback to the default template.if (empty($PHORUM["template"]) || !file_exists("./templates/{$PHORUM['template']}")) {$PHORUM["template"] = $PHORUM["default_template"];}$tpl = "./templates/$PHORUM[template]/$page";// check for straight PHP fileif ( file_exists( "$tpl.php" ) ) {$phpfile = "$tpl.php";} else {// not there, look for a template$tplfile = "$tpl.tpl";$safetemplate = str_replace("-", "_", $PHORUM["template"]);$safepage = str_replace("-", "_", $page);$phpfile = "$PHORUM[cache]/tpl-$safetemplate-$safepage-" .($is_include ? "include" : "toplevel") . "-" .md5( dirname( __FILE__ ) ) . ".php";if ( $is_include || !file_exists( $phpfile ) ) {include_once "./include/templates.php";phorum_import_template( $tplfile, $phpfile );}}return $phpfile;}// creates URLs used on most pagesfunction phorum_build_common_urls(){$PHORUM=$GLOBALS['PHORUM'];// those links are only needed in forums, not in foldersif(isset($PHORUM['folder_flag']) && !$PHORUM['folder_flag']) {$GLOBALS["PHORUM"]["DATA"]["URL"]["TOP"] = phorum_get_url( PHORUM_LIST_URL );$GLOBALS["PHORUM"]["DATA"]["URL"]["MARKREAD"] = phorum_get_url( PHORUM_LIST_URL, "markread=1" );$GLOBALS["PHORUM"]["DATA"]["URL"]["POST"] = phorum_get_url( PHORUM_POSTING_URL );$GLOBALS["PHORUM"]["DATA"]["URL"]["SUBSCRIBE"] = phorum_get_url( PHORUM_SUBSCRIBE_URL );}// those are general urls, needed nearly everywhere$GLOBALS["PHORUM"]["DATA"]["URL"]["SEARCH"] = phorum_get_url( PHORUM_SEARCH_URL );// RSS-Url only makes sense on a couple of pagesif(isset($PHORUM['use_rss']) && $PHORUM['use_rss']&& (phorum_page=="index" || phorum_page=="list" || phorum_page=="read")){$GLOBALS["PHORUM"]["DATA"]["URL"]["RSS"] = phorum_get_url( PHORUM_RSS_URL );}$index_id=-1;// in a folderif( $PHORUM['folder_flag'] && phorum_page != 'index'&& ($PHORUM['forum_id'] == 0 || $PHORUM['vroot'] == $PHORUM['forum_id'])) {// folder where we usually don't show the index-link but on// additional pages like search and login its shown$index_id=$PHORUM['forum_id'];} elseif( ( $PHORUM['folder_flag'] &&($PHORUM['forum_id'] != 0 && $PHORUM['vroot'] != $PHORUM['forum_id'])) ||(!$PHORUM['folder_flag'] && $PHORUM['active'])) {// either a folder where the link should be shown (not vroot or root)// or an active forum where the link should be shownif(isset($PHORUM["use_new_folder_style"]) && $PHORUM["use_new_folder_style"] ) {// go to root or vroot$index_id=$PHORUM["vroot"]; // vroot is either 0 (root) or another id} else {// go to parent$index_id=$PHORUM["parent_id"]; // parent_id is always set now}}if($index_id > -1) {// check if its the full root, avoid adding an id in this case (SE-optimized ;))if (!empty($index_id))$GLOBALS["PHORUM"]["DATA"]["URL"]["INDEX"] = phorum_get_url( PHORUM_INDEX_URL, $index_id );else$GLOBALS["PHORUM"]["DATA"]["URL"]["INDEX"] = phorum_get_url( PHORUM_INDEX_URL );}// these urls depend on the login-status of a userif ( $GLOBALS["PHORUM"]["DATA"]["LOGGEDIN"] ) {$GLOBALS["PHORUM"]["DATA"]["URL"]["LOGINOUT"] = phorum_get_url( PHORUM_LOGIN_URL, "logout=1" );$GLOBALS["PHORUM"]["DATA"]["URL"]["REGISTERPROFILE"] = phorum_get_url( PHORUM_CONTROLCENTER_URL );$GLOBALS["PHORUM"]["DATA"]["URL"]["PM"] = phorum_get_url( PHORUM_PM_URL );} else {$GLOBALS["PHORUM"]["DATA"]["URL"]["LOGINOUT"] = phorum_get_url( PHORUM_LOGIN_URL );$GLOBALS["PHORUM"]["DATA"]["URL"]["REGISTERPROFILE"] = phorum_get_url( PHORUM_REGISTER_URL );}}// calls phorum mod functionsfunction phorum_hook( $hook, $arg = "" ){$PHORUM = $GLOBALS["PHORUM"];if ( isset( $PHORUM["hooks"][$hook] ) && is_array($PHORUM["hooks"][$hook])) {foreach( $PHORUM["hooks"][$hook]["mods"] as $mod ) {// load mods for this hookif ( file_exists( "./mods/$mod/$mod.php" ) ) {include_once "./mods/$mod/$mod.php";} elseif ( file_exists( "./mods/$mod.php" ) ) {include_once "./mods/$mod.php";}}foreach( $PHORUM["hooks"][$hook]["funcs"] as $func ) {// call functions for this hookif ( function_exists( $func ) ) {$arg = call_user_func( $func, $arg );}}}return $arg;}// HTML encodes a stringfunction phorum_html_encode( $string ){$ret_string = "";$len = strlen( $string );for( $x = 0;$x < $len;$x++ ) {$ord = ord( $string[$x] );$ret_string .= "&#$ord;";}return $ret_string;}// removes slashes from all array-entriesfunction phorum_recursive_stripslashes( $array ){if ( !is_array( $array ) ) {return $array;} else {foreach( $array as $key => $value ) {if ( !is_array( $value ) )$array[$key] = stripslashes( $value );else$array[$key] = phorum_recursive_stripslashes( $value );}}return $array;}// returns the available templates as an arrayfunction phorum_get_template_info(){$tpls = array();$d = dir( "./templates" );while ( false !== ( $entry = $d->read() ) ) {if ( $entry != "." && $entry != ".." && file_exists( "./templates/$entry/info.php" ) ) {include "./templates/$entry/info.php";if ( !isset( $template_hide ) || empty( $template_hide ) || defined( "PHORUM_ADMIN" ) ) {$tpls[$entry] = "$name $version";} else {unset( $template_hide );}}}return $tpls;}// returns the available languages as an arrayfunction phorum_get_language_info(){$langs = array();$d = dir( "./include/lang" );while ( false !== ( $entry = $d->read() ) ) {if ( substr( $entry, -4 ) == ".php" && is_file( "./include/lang/$entry" ) ) {@include "./include/lang/$entry";if ( !isset( $language_hide ) || empty( $language_hide ) || defined( "PHORUM_ADMIN" ) ) {$langs[str_replace( ".php", "", $entry )] = $language;} else {unset( $language_hide );}}}return $langs;}function phorum_redirect_by_url( $redir_url ){if ( stristr( $_SERVER['SERVER_SOFTWARE'], "Microsoft-IIS" ) ) {// the ugly IIS-hack to avoid crashing IISprint "<html><head>\n<title>Redirecting ...</title>\n";print "<meta http-equiv=\"refresh\" content=\"0; URL=$redir_url\">";print "</head>\n";print "<body><a href=\"$redir_url\">Redirecting ...</a></body>\n";print "</html>";} else {// our standard-wayheader( "Location: $redir_url" );}exit(0);}// might remove these, might not. Need it for debugging.function print_var( $var ){echo "<xmp>";print_r( $var );echo "</xmp>";}?>