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<?php
/**
* $Id: index.php,v 1.17.2.24.2.13 2007/04/24 20:35:43 matteo Exp $
*
* This is the main public frontend page of phpMyFAQ. It detects the browser's
* language, gets all cookie, post and get informations and includes the
* templates we need and set all internal variables to the template variables.
* That's all.
*
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @author Lars Tiedemann <larstiedemann@yahoo.de>
* @since 2001-02-12
* @copyright: (c) 2001-2007 phpMyFAQ Team
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*/
require_once('inc/functions.php');
require_once('inc/init.php');
define('IS_VALID_PHPMYFAQ', null);
PMF_Init::cleanRequest();
// Just for security reasons - thanks to Johannes for the hint
$_SERVER['PHP_SELF'] = strtr(rawurlencode($_SERVER['PHP_SELF']),array( "%2F"=>"/", "%257E"=>"%7E"));
$_SERVER['HTTP_USER_AGENT'] = urlencode($_SERVER['HTTP_USER_AGENT']);
// check if config.php and data.php exist -> if not, redirect to installer
if (!file_exists('inc/config.php') || !file_exists('inc/data.php')) {
header('Location: http://'.$_SERVER['SERVER_NAME'].dirname($_SERVER['PHP_SELF'])."/install/installer.php");
exit();
}
// connect to the database server, define the prefix and connect
require_once("inc/data.php");
require_once("inc/db.php");
define("SQLPREFIX", $DB["prefix"]);
$db = db::db_select($DB["type"]);
$db->connect($DB["server"], $DB["user"], $DB["password"], $DB["db"]);
// get configuration, constants, main functions, template parser, category class, IDNA class
require_once("inc/config.php");
require_once("inc/constants.php");
require_once("inc/parser.php");
require_once("inc/category.php");
require_once('inc/captcha.php');
require_once("inc/idna_convert.class.php");
$IDN = new idna_convert;
// connect to LDAP server, when LDAP support is enabled
if (isset($PMF_CONF["ldap_support"]) && $PMF_CONF["ldap_support"] == true && file_exists('inc/dataldap.php')) {
require_once('inc/dataldap.php');
require_once('inc/ldap.php');
$ldap = new LDAP($PMF_LDAP['ldap_server'], $PMF_LDAP['ldap_port'], $PMF_LDAP['ldap_base'], $PMF_LDAP['ldap_user'], $PMF_LDAP['ldap_password']);
} else {
$ldap = null;
}
// Get language (default: English)
$pmf = new PMF_Init();
$LANGCODE = $pmf->setLanguage((isset($PMF_CONF['detection']) ? true : false), $PMF_CONF['language']);
// Preload English strings
require_once ('lang/language_en.php');
if (PMF_Init::isASupportedLanguage($LANGCODE)) {
// Overwrite English strings with the ones we have in the current language
require_once('lang/language_'.$LANGCODE.'.php');
} else {
$LANGCODE = 'en';
}
// use mbstring extension if available
$valid_mb_strings = array('ja', 'en');
if (function_exists('mb_language') && in_array($PMF_LANG['metaLanguage'], $valid_mb_strings)) {
mb_language($PMF_LANG['metaLanguage']);
mb_internal_encoding($PMF_LANG['metaCharset']);
}
// found a session ID in _GET or _COOKIE?
if ((!isset($_GET['sid'])) && (!isset($_COOKIE['pmf_sid']))) {
// Create a per-site unique SID
Tracking('new_session', 0);
setcookie('pmf_sid', $sid, time() + 3600);
} else {
if (isset($_COOKIE['pmf_sid']) && is_numeric($_COOKIE['pmf_sid'])) {
CheckSID((int)$_COOKIE['pmf_sid'], $_SERVER['REMOTE_ADDR']);
} else {
CheckSID((int)$_GET['sid'], $_SERVER['REMOTE_ADDR']);
}
}
// is user tracking activated?
if (isset($PMF_CONF["tracking"])) {
if (isset($sid)) {
if (!isset($_COOKIE['pmf_sid'])) {
$sids = 'sid='.(int)$sid.'&lang='.$LANGCODE.'&';
} else {
$sids = '';
}
} elseif (isset($_GET['sid']) || isset($_COOKIE['pmf_sid'])) {
if (!isset($_COOKIE['pmf_sid'])) {
$sids = 'sid='.(int)$_GET['sid'].'&lang='.$LANGCODE.'&';
} else {
$sids = '';
}
}
} else {
if (!setcookie('pmf_lang', $LANGCODE, time()+3600)) {
$sids = 'lang='.$LANGCODE.'&';
} else {
$sids = '';
}
}
// found a article language?
if (isset($_POST["artlang"]) && PMF_Init::isASupportedLanguage($_POST["artlang"]) ) {
$lang = $_POST["artlang"];
} else {
$lang = $LANGCODE;
}
// found a record ID?
if (isset($_REQUEST['id']) && is_numeric($_REQUEST['id']) === true) {
$id = $_REQUEST['id'];
$title = ' - '.stripslashes(getThema($id, $lang));
$keywords = ' '.stripslashes(getKeywords($id, $lang));
} else {
$id = '';
$title = ' - ';
$keywords = '';
}
// found a solution ID?
if (isset($_REQUEST['solution_id']) && is_numeric($_REQUEST['solution_id']) === true) {
$solution_id = $_REQUEST['solution_id'];
$title = ' - ';
$keywords = '';
$a = getIdFromSolutionId($solution_id);
if (is_array($a)) {
$id = $a['id'];
$lang = $a['lang'];
}
}
// found a category?
if (isset($_GET["cat"])) {
$cat = $_GET["cat"];
} else {
$cat = 0;
}
$tree = new Category($LANGCODE);
$cat_from_id = -1;
if (is_numeric($id) && $id > 0) {
$cat_from_id = $tree->getCategoryIdFromArticle($id);
}
if ($cat_from_id != -1 && $cat == 0) {
$cat = $cat_from_id;
}
$tree->transform(0);
$tree->collapseAll();
if ($cat != 0) {
$tree->expandTo($cat);
}
if (isset($cat) && $cat != 0 && $id == '' && isset($tree->categoryName[$cat])) {
$title = ' - '.$tree->categoryName[$cat]['name'];
}
// found an action request?
if (isset($_REQUEST["action"]) && is_string($_REQUEST["action"]) && !preg_match("=/=", $_REQUEST["action"]) && isset($allowedVariables[$_REQUEST["action"]])) {
$action = trim($_REQUEST["action"]);
} else {
$action = "main";
}
/* select the template for the requested page */
if ($action != "main") {
$inc_tpl = "template/".$action.".tpl";
$inc_php = $action.".php";
$writeLangAdress = $_SERVER['PHP_SELF']."?".str_replace("&", "&",$_SERVER["QUERY_STRING"]);
} else {
if (isset($solution_id) && is_numeric($solution_id)) {
// show the record with the solution ID
$inc_tpl = 'template/artikel.tpl';
$inc_php = 'artikel.php';
} else {
$inc_tpl = "template/main.tpl";
$inc_php = "main.php";
}
$writeLangAdress = $_SERVER['PHP_SELF']."?".$sids;
}
// load templates
$tpl = new phpmyfaqTemplate (array(
"index" => 'template/index.tpl',
"writeContent" => $inc_tpl));
$main_template_vars = array(
"title" => PMF_htmlentities($PMF_CONF["title"], ENT_QUOTES, $PMF_LANG['metaCharset']).$title,
"header" => PMF_htmlentities($PMF_CONF["title"], ENT_QUOTES, $PMF_LANG['metaCharset']),
"metaDescription" => PMF_htmlentities($PMF_CONF["metaDescription"], ENT_QUOTES, $PMF_LANG['metaCharset']),
"metaKeywords" => PMF_htmlentities($PMF_CONF["metaKeywords"].$keywords, ENT_QUOTES, $PMF_LANG['metaCharset']),
"metaPublisher" => PMF_htmlentities($PMF_CONF["metaPublisher"], ENT_QUOTES, $PMF_LANG['metaCharset']),
"metaLanguage" => $PMF_LANG["metaLanguage"],
"metaCharset" => $PMF_LANG["metaCharset"],
"dir" => $PMF_LANG["dir"],
"msgCategory" => $PMF_LANG["msgCategory"],
"showCategories" => $tree->printCategories($cat),
"searchBox" => $PMF_LANG["msgSearch"],
"languageBox" => $PMF_LANG["msgLangaugeSubmit"],
"writeLangAdress" => $writeLangAdress,
"switchLanguages" => selectLanguages($LANGCODE),
"userOnline" => userOnline().$PMF_LANG["msgUserOnline"],
'writeTopTenHeader' => $PMF_LANG['msgTopTen'],
'writeTopTenRow' => generateTopTen($LANGCODE),
'writeNewestHeader' => $PMF_LANG['msgLatestArticles'],
'writeNewestRow' => generateFiveNewest($LANGCODE),
'copyright' => 'powered by <a href="http://www.phpmyfaq.de" target="_blank">phpMyFAQ</a> '.$PMF_CONF["version"]);
if (isset($PMF_CONF["mod_rewrite"]) && $PMF_CONF["mod_rewrite"] == "TRUE") {
$links_template_vars = array(
"faqHome" => $_SERVER['PHP_SELF'],
"msgSearch" => '<a href="search.html">'.$PMF_LANG['msgAdvancedSearch'].'</a>',
"msgAddContent" => '<a href="addcontent.html">'.$PMF_LANG["msgAddContent"].'</a>',
"msgQuestion" => '<a href="ask.html">'.$PMF_LANG["msgQuestion"].'</a>',
"msgOpenQuestions" => '<a href="open.html">'.$PMF_LANG["msgOpenQuestions"].'</a>',
"msgHelp" => '<a href="help.html">'.$PMF_LANG["msgHelp"].'</a>',
"msgContact" => '<a href="contact.html">'.$PMF_LANG["msgContact"].'</a>',
"backToHome" => '<a href="index.html">'.$PMF_LANG["msgHome"].'</a>',
"allCategories" => '<a href="showcat.html">'.$PMF_LANG["msgShowAllCategories"].'</a>',
"writeSendAdress" => 'search.html',
'showSitemap' => '<a href="sitemap-A_'.$lang.'.html">'.$PMF_LANG['msgSitemap'].'</a>');
} else {
$links_template_vars = array(
"faqHome" => $_SERVER['PHP_SELF'],
"msgSearch" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=search">'.$PMF_LANG['msgAdvancedSearch'].'</a>',
"msgAddContent" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=add">'.$PMF_LANG["msgAddContent"].'</a>',
"msgQuestion" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=ask">'.$PMF_LANG["msgQuestion"].'</a>',
"msgOpenQuestions" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=open">'.$PMF_LANG["msgOpenQuestions"].'</a>',
"msgHelp" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=help">'.$PMF_LANG["msgHelp"].'</a>',
"msgContact" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=contact">'.$PMF_LANG["msgContact"].'</a>',
"allCategories" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=show">'.$PMF_LANG["msgShowAllCategories"].'</a>',
"backToHome" => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'">'.$PMF_LANG["msgHome"].'</a>',
"writeSendAdress" => $_SERVER['PHP_SELF']."?".$sids."action=search",
'showSitemap' => '<a href="'.$_SERVER['PHP_SELF'].'?'.$sids.'action=sitemap">'.$PMF_LANG['msgSitemap'].'</a>');
}
if (DEBUG) {
$debug_template_vars = array('debugMessages' => '<p>DEBUG INFORMATION:<br />'.$db->sqllog().'</p>');
} else {
// send headers and print template
@header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
@header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
@header("Cache-Control: no-store, no-cache, must-revalidate");
@header("Cache-Control: post-check=0, pre-check=0", false);
@header("Pragma: no-cache");
@header("Content-type: text/html; charset=".$PMF_LANG['metaCharset']);
@header("Vary: Negotiate,Accept");
$debug_template_vars = array('debugMessages' => '');
}
// get main template, set main variables
$tpl->processTemplate ("index", array_merge($main_template_vars, $links_template_vars, $debug_template_vars));
// include requested PHP file
require_once($inc_php);
if ('xml' != $action) {
$tpl->printTemplate();
}
// disconnect from database
$db->dbclose();
?>
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