<?php
/*
+----------------------------------------------------------------------+
|	Ultimate SEO URLs For Zen Cart, version 2.212                      |
+----------------------------------------------------------------------+
|                                                                      |
|	Derrived from Ultimate SEO URLs v2.1 for osCommerce by Chemo       |
|                                                                      |
|	Portions Copyright 2011-2012, Andrew Ballanger                     |
|                                                                      |
|	Portions Copyright 2005, Joshua Dechant                            |
|                                                                      |
|	Portions Copyright 2005, Bobby Easland                             |
|                                                                      |
|	Portions Copyright 2003 The zen-cart developers                    |
|                                                                      |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the GPL license,       |
| that is bundled with this package in the file LICENSE, and is        |
| available through the world-wide-web at the following url:           |
| http://www.zen-cart.com/license/2_0.txt.                             |
| If you did not receive a copy of the zen-cart license and are unable |
| to obtain it through the world-wide-web, please send a note to       |
| license@zen-cart.com so we can mail you a copy immediately.          |
+----------------------------------------------------------------------+
*/
class SEO_URL {
public $canonical;
protected $cache;
protected $languages_id;
protected $base_url;
protected $base_url_ssl;
protected $reg_anchors;
protected $cache_query;
protected $cache_file;
protected $data;
protected $need_redirect;
protected $is_seopage;
protected $uri;
protected $real_uri;
protected $uri_parsed;
protected $redirect_url;
protected static $unicodeEnabled;
private $filter_pcre;
private $filter_char;
function __construct($languages_id='') {
global $session_started;
if ($languages_id == '') $languages_id = $_SESSION['languages_id'];
$this->languages_id = (int)$languages_id;
$this->data = array();
$this->base_url = HTTP_SERVER;
$this->base_url_ssl = HTTPS_SERVER;
$this->cache = array();
$this->reg_anchors = array(
'products_id' => '-p-',
'cPath' => '-c-',
'manufacturers_id' => '-m-',
'pID' => '-pi-',
'products_id_review' => '-pr-',
'products_id_review_info' => '-pri-',
'id' => '-ezp-',
// zhjhqk bof
'news_article_id' => '-a-',
'news_comments_article_id' => '-a-',
'news_dates' => '/',
'news_archive_dates' => '/archive/',
'news_rss_feed' => '/rss',
// zhjhqk eof
);
if(null === self::$unicodeEnabled) {
self::$unicodeEnabled = (@preg_match('/\pL/u', 'a')) ? true : false;
}
$this->filter_pcre = defined('SEO_URLS_FILTER_PCRE') ? $this->expand(SEO_URLS_FILTER_PCRE, true) : 'false';
$this->filter_char = defined('SEO_URLS_FILTER_CHARS') ? $this->expand(SEO_URLS_FILTER_PCRE) : 'false';
if(defined('SEO_USE_CACHE_GLOBAL') && SEO_USE_CACHE_GLOBAL == 'true'){
$this->cache_file = 'seo_urls_v2_';
$this->cache_gc(); // Cleanup Cache
// Generate enabled caches
if(SEO_USE_CACHE_PRODUCTS == 'true') $this->generate_products_cache();
if(SEO_USE_CACHE_CATEGORIES == 'true') $this->generate_categories_cache();
if(SEO_USE_CACHE_MANUFACTURERS == 'true') $this->generate_manufacturers_cache();
if(SEO_USE_CACHE_EZ_PAGES == 'true') $this->generate_ezpages_cache();
}
$this->check_canonical();
if(defined('SEO_USE_REDIRECT') && SEO_USE_REDIRECT == 'true') {
$this->check_redirect();
}
}
/**
* Generates the link to the requested page suitable for use in an href
* paramater.
*
* @param string $page the name of the page
* @param string $parameters any paramaters for the page
* @param string $connection 'NONSSL' or 'SSL' the type of connection to use
* @param bool $add_session_id true if a session id be added to the url, false otherwise
* @param bool $search_engine_safe true if we should use search engine safe urls, false otherwise
* @param bool $static true if this is a static page (no paramaters)
* @param bool $use_dir_ws_catalog true if we should use the DIR_WS_CATALOG / DIR_WS_HTTPS_CATALOG from the configuration
* @return NULL|string|unknown
*/
function href_link($page = '', $parameters = '', $connection = 'NONSSL', $add_session_id = true, $search_engine_safe = true, $static = false, $use_dir_ws_catalog = true) {
// Do not rewrite when disabled
if(!defined('SEO_ENABLED') || SEO_ENABLED == 'false') {
return null;
}
// Much of the code in Zen Cart creates the dynamic link by itself before
// passing the code to zen_href_link and then just claims the link is
// static and passes no params. Much of the code also has the bad habit
// of claiming a link is "static" when it is not. So we ignore the value
// of "static" and start by checking if the page starts with index.php?
if(strstr($page, 'index.php?') !== false) {
// If we find the main_page parse the URL
$result = array();
if(preg_match('/[?&]main_page=([^&]*)/', $page, $result) === 1) {
$temp = parse_url($page);
// Adjust the page and parameters to be correct. This mainly
// fixes the handling of EZ-Pages (but may fix additional pages).
$page = $result[1];
$temp['query'] = preg_replace('/main_page=' . $result[1] . '/', '', $temp['query']);
$parameters = $temp['query'] . ($parameters != '' ? '&' . $parameters : '');
}
}
// Remove the end from the page if it is present
$pos = strrpos($page, SEO_URL_END);
if($pos !== false) {
$page = substr($page, 0, $pos);
}
unset($pos);
// Do not rewrite if page is not in the list of pages to rewrite
$sefu = explode(',', str_replace(' ', '', SEO_URLS_ONLY_IN));
if(zen_not_null(SEO_URLS_ONLY_IN) && !in_array($page, $sefu)) {
return null;
}
// don't rewrite the paypal IPN notify url
if($page == 'ipn_main_handler.php') {
return null;
}
if($connection == 'NONSSL') {
$link = $this->base_url;
}
else if($connection == 'SSL') {
if(ENABLE_SSL == 'true') {
$link = $this->base_url_ssl ;
}
else {
$link = $this->base_url;
}
}
if($use_dir_ws_catalog) {
if($connection == 'SSL' && ENABLE_SSL == 'true') {
$link .= DIR_WS_HTTPS_CATALOG;
}
else {
$link .= DIR_WS_CATALOG;
}
}
// We start with no separator, so define one.
$separator = '?';
if (zen_not_null($parameters)) {
$link .= $this->parse_parameters($page, $parameters, $separator);
} else {
$link .= ($page != FILENAME_DEFAULT ? $page . SEO_URL_END : '');
}
$link = $this->add_sid($link, $add_session_id, $connection, $separator);
return htmlspecialchars($link, ENT_QUOTES, CHARSET, false);
}
/**
* Adds the sid to the end of the URL if needed. If a page cache has been
* enabled and no customer is logged in the sid is replaced with '<zinsid>'.
*
* @param string $link current URL.
* @param bool $add_session_id true if a session id be added to the url, false otherwise
* @param string $connection 'NONSSL' or 'SSL' the type of connection to use
* @param string $separator the separator to use between the link and this paramater (if added)
* @return unknown
*/
function add_sid($link, $add_session_id, $connection, $separator) {
global $request_type, $http_domain, $https_domain, $session_started;
if(($add_session_id == true) && ($session_started) && (SESSION_FORCE_COOKIE_USE == 'False')) {
if(defined('SID') && zen_not_null(SID)) {
$_sid = SID;
}
else if((($request_type == 'NONSSL') && ($connection == 'SSL') && (ENABLE_SSL == 'true')) || (($request_type == 'SSL') && ($connection == 'NONSSL'))) {
if($http_domain != $https_domain) {
$_sid = zen_session_name() . '=' . zen_session_id();
}
}
}
switch(true){
case (!isset($_SESSION['customer_id']) && defined('ENABLE_PAGE_CACHE') && ENABLE_PAGE_CACHE == 'true' && class_exists('page_cache')):
$return = $link . $separator . '<zensid>';
break;
case (zen_not_null($_sid)):
$return = $link . $separator . $_sid;
break;
default:
$return = $link;
break;
}
return $return;
}
/**
* Parses the paramaters for a page to generate a valid url for the page.
*
* @param string $page the name of the page
* @param string $params any paramaters for the page
* @param string $separator the separator to use between the link and this paramater (if needed)
* @return Ambigous <string, unknown>
*/
function parse_parameters($page, $params, &$separator) {
$p = @explode('&', $params);
sort($p); // We need cPath to always appear before id's
$container = array();
foreach ($p as $index => $valuepair){
$p2 = @explode('=', $valuepair);
switch ($p2[0]){
//zhjhqk bof
case 'article_id':
switch(true) {
case ($page == FILENAME_NEWS_ARTICLE):
$url = $this->make_url($page, 'news/' . $this->get_news_article_name($p2[1]), 'news_article_id', $p2[1], '.html', $separator);
break;
case ($page == FILENAME_NEWS_COMMENTS):
$url = $this->make_url($page, 'news/' . $this->get_news_article_name($p2[1]), 'news_comments_article_id', $p2[1], '-comments.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
}
break;
case 'date':
switch(true) {
case ($page == FILENAME_NEWS_ARCHIVE):
$url = $this->make_url($page, FILENAME_NEWS_INDEX, 'news_archive_dates', $p2[1], '.html', $separator);
break;
case ($page == FILENAME_NEWS_INDEX):
$url = $this->make_url($page, FILENAME_NEWS_INDEX, 'news_dates', $p2[1], '.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
}
break;
//zhjhqk eof
case 'tag_name':
switch(true) {
case ($page == FILENAME_TAGS_ITEM):
$url = $this->make_url($page, 'tags/' .str_replace(' ','-',$p2[1]), '', '', '.html', $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
}
break;
case 'products_id':
// Make sure if uprid is passed it is converted to the correct pid
$p2[1] = zen_get_prid($p2[1]);
// If a cPath was present we need to determine the immediate parent cid
$cID = null;
if(array_key_exists('cPath', $container)) {
$cID = strrpos($container['cPath'], '_');
if($cID !== false)
{
$cID = substr($container['cPath'], $cID+1);
}
else {
$cID = $container['cPath'];
}
if(SEO_URL_CATEGORY_DIR != 'off' || SEO_URL_CPATH != 'auto') {
unset($container['cPath']);
}
}
switch(true) {
case ($page == FILENAME_PRODUCT_REVIEWS):
$url = $this->make_url($page, $this->get_product_name($p2[1], $cID), 'products_id_review', $p2[1], SEO_URL_END, $separator);
break;
case ($page == FILENAME_PRODUCT_REVIEWS_INFO):
$url = $this->make_url($page, $this->get_product_name($p2[1], $cID), 'products_id_review_info', $p2[1], SEO_URL_END, $separator);
break;
case ($page == FILENAME_DEFAULT):
$container[$p2[0]] = $p2[1];
break;
case ($page == FILENAME_PRODUCT_INFO):
default:
$url = $this->make_url($page, $this->get_product_name($p2[1], $cID), $p2[0], $p2[1], SEO_URL_END, $separator);
break;
} # end switch
break;
case 'cPath':
switch(true){
case ($page == FILENAME_DEFAULT):
// Change $p2[1] to the actual category id
$tmp = strrpos($p2[1], '_');
if($tmp !== false)
{
$p2[1] = substr($p2[1], $tmp+1);
}
$category = $this->get_category_name($p2[1]);
if(SEO_URL_CATEGORY_DIR == 'off') {
$url = $this->make_url($page, $category, $p2[0], $p2[1], SEO_URL_END, $separator);
}
else {
$url = $this->make_url($page, $category, $p2[0], $p2[1], '/', $separator);
}
unset($category);
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
case 'manufacturers_id':
switch(true){
case ($page == FILENAME_DEFAULT && !$this->is_cPath_string($params) && !$this->is_product_string($params)):
$url = $this->make_url($page, $this->get_manufacturer_name($p2[1]), $p2[0], $p2[1], SEO_URL_END, $separator);
break;
case ($page == FILENAME_PRODUCT_INFO):
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
case 'pID':
switch(true){
case ($page == FILENAME_POPUP_IMAGE):
$url = $this->make_url($page, $this->get_product_name($p2[1]), $p2[0], $p2[1], SEO_URL_END, $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
case 'id':	// EZ-Pages
switch(true){
case ($page == FILENAME_EZPAGES):
$url = $this->make_url($page, $this->get_ezpages_name($p2[1]), $p2[0], $p2[1], SEO_URL_END, $separator);
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
break;
default:
$container[$p2[0]] = $p2[1];
break;
} # end switch
} # end foreach $p
$url = isset($url) ? $url : $page . SEO_URL_END;
if(sizeof($container) > 0) {
if($imploded_params = $this->implode_assoc($container)) {
$url .= $separator . zen_output_string($imploded_params);
$separator = '&';
}
}
return $url;
}
//zhjhqk bof
function get_news_article_name($article_id) {
global $db;
switch(true){
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('NEWS_ARTICLE_NAME_' . $article_id)):
$return = constant('NEWS_ARTICLE_NAME_' . $article_id);
$this->cache['NEWS_ARTICLES'][$article_id] = $return;
break;
case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['NEWS_ARTICLES'][$article_id])):
$return = $this->cache['NEWS_ARTICLES'][$article_id];
break;
default:
$sql = "SELECT news_article_name
FROM " . TABLE_NEWS_ARTICLES_TEXT . "
WHERE article_id = " . (int)$article_id . "
AND language_id = " . (int)$this->languages_id . "
LIMIT 1";
$result = $db->Execute($sql);
$news_article_name = $this->filter($result->fields['news_article_name']);
$this->cache['NEWS_ARTICLES'][$article_id] = $news_article_name;
$return = $news_article_name;
break;
}
return $return;
}
//zhjhqk eof
/**
* Generates the url for the given page and paramaters.
*
* @param string $page the page for the link
* @param string $link the name to use for the url
* @param string $anchor_type the last paramater parsed type (products_id, cPath, etc.)
* @param string $id the last paramater parsed id (or cPath)
* @param string $extension Default =
* @param string $separator NOTE: passed by reference
* @return string the final generated url
*/
function make_url($page, $link, $anchor_type, $id, $extension = SEO_URL_END, &$separator){
// In the future there may be additional methods here in the switch
switch (SEO_REWRITE_TYPE){
case 'rewrite':
return $link . $this->reg_anchors[$anchor_type] . $id . $extension;
break;
default:
break;
}
}
/**
* Function to get the product name. Use evaluated cache, per page cache,
* or database query in that order of precedent.
*
* @param integer $pID
* @return string product name
*/
function get_product_name($pID, $cID = null) {
global $db;
// Handle generating the product name
switch(true) {
case (SEO_USE_CACHE_GLOBAL == 'true' && defined('PRODUCT_NAME_' . $pID)):
$return = constant('PRODUCT_NAME_' . $pID);
$this->cache['PRODUCTS'][$pID] = $return;
break;
case (SEO_USE_CACHE_GLOBAL == 'true' && isset($this->cache['PRODUCTS'][$pID])):
$return = $this->cache['PRODUCTS'][$pID];
break;
default:
if(SEO_URL_FORMAT == 'parent') {
$sql = 'SELECT pd.products_name AS pName, ptc.categories_id AS c_id, p.master_categories_id AS master_id ' .
'FROM `' . TABLE_PRODUCTS_DESCRIPTION . '` AS pd ' .
'LEFT JOIN `' . TABLE_PRODUCTS . '` AS p ' .
'ON pd.products_id=p.products_id ' .
'LEFT JOIN `' . TABLE_PRODUCTS_TO_CATEGORIES . '` AS ptc ' .
'ON pd.products_id=ptc.products_id ' .
'WHERE pd.products_id=\'' . (int)$pID . '\' ' .
($cID !== null ? 'AND ptc.categories_id = \'' . (int)$cID . '\'' : '' ) .
'AND language_id=\'' . (int)$this->languages_id . '\' LIMIT 1';
}
else {
$sql = 'SELECT pd.products_name as pName ' .
'FROM ' . TABLE_PRODUCTS_DESCRIPTION . ' pd ' .
'WHERE products_id=\'' . (int)$pID . '\' ' .
'AND language_id=\'' . (int)$this->languages_id . '\' LIMIT 1';
}
$result = $db->Execute($sql, false, true, 43200);
$pName = $this->filter($result->fields['pName']);
if(SEO_URL_FORMAT == 'parent' && SEO_URL_CATEGORY_DIR == 'off') {
$pName = $this->get_category_name($cID !== null ? $cID : (int)$result->fields['master_id'], 'original') . '_' . $pName;
}
$this->cache['PRODUCTS'][$pID] = $pName;
$return = $this->cache['PRODUCTS'][$pID];
break;
}
// Add the category
if(SEO_URL_CATEGORY_DIR != 'off') {
$sql = 'SELECT ptc.categories_id AS c_id, p.master_categories_id AS master_id ' .
'FROM `' . TABLE_PRODUCTS . '` AS p ' .
'LEFT JOIN `' . TABLE_PRODUCTS_TO_CATEGORIES . '` AS ptc ' .
'ON p.products_id=ptc.products_id ' .
'WHERE p.products_id=\'' . (int)$pID . '\' ' .
($cID !== null ? 'AND ptc.categories_id = \'' . (int)$cID . '\'' : '' ) .
'LIMIT 1';
$result = $db->Execute($sql, false, true, 43200);
$category = '';
$canonical = null;
if(!$result->EOF) {
$cID = ($cID !== null ? $cID : (int)$result->fields['master_id']);
$category = $this->get_category_name($cID) .
$this->reg_anchors['cPath'] . $cID . '/';
}
$return = $category . $return;
}
return $return;
}
/**
* Function to get the product canonical. Use evaluated cache, per page cache,
* or database query in that order of precedent.
*
* @param integer $pID
* @return string product canonical
*/
function get_product_canonical($pID) {
global $db;
$retval = null;
// Only need to add the canonicals if different paths exist
if(SEO_URL_CATEGORY_DIR != 'off') {
$sql = 'SELECT ptc.categories_id AS c_id, p.master_categories_id AS master_id ' .
'FROM `' . TABLE_PRODUCTS . '` AS p ' .
'LEFT JOIN `' . TABLE_PRODUCTS_TO_CATEGORIES . '` AS ptc ' .
'ON p.products_id=ptc.products_id ' .
'WHERE p.products_id=\'' . (int)$pID . '\' LIMIT 1';
$result = $db->Execute($sql, false, true, 43200);
if(!$result->EOF) {
$cID = (int)$result->fields['c_id'];
$masterID = (int)$result->fields['master_id'];
// Master category and product category do not match. This
// product will need a canonical.
if($cID != $masterID) {
$retval = $this->get_category_name($masterID) .
$this->reg_anchors['cPath'] . $masterID . '/';
// Get the product name
switch(true) {
case (SEO_USE_CACHE_GLOBAL == 'true' && defined('PRODUCT_NAME_' . $pID)):
$retval .= constant('PRODUCT_NAME_' . $pID);
break;
case (SEO_USE_CACHE_GLOBAL == 'true' && isset($this->cache['PRODUCTS'][$pID])):
$retval .= $this->cache['PRODUCTS'][$pID];
break;
default:
if(SEO_URL_FORMAT == 'parent') {
$sql = 'SELECT pd.products_name AS pName, ptc.categories_id AS c_id, p.master_categories_id AS master_id ' .
'FROM `' . TABLE_PRODUCTS_DESCRIPTION . '` AS pd ' .
'LEFT JOIN `' . TABLE_PRODUCTS . '` AS p ' .
'ON pd.products_id=p.products_id ' .
'LEFT JOIN `' . TABLE_PRODUCTS_TO_CATEGORIES . '` AS ptc ' .
'ON pd.products_id=ptc.products_id ' .
'WHERE pd.products_id=\'' . (int)$pID . '\' ' .
'AND language_id=\'' . (int)$this->languages_id . '\' LIMIT 1';
}
else {
$sql = 'SELECT pd.products_name as pName ' .
'FROM ' . TABLE_PRODUCTS_DESCRIPTION . ' pd ' .
'WHERE products_id=\'' . (int)$pID . '\' ' .
'AND language_id=\'' . (int)$this->languages_id . '\' LIMIT 1';
}
$result = $db->Execute($sql, false, true, 43200);
$pName = $this->filter($result->fields['pName']);
if(SEO_URL_FORMAT == 'parent' && SEO_URL_CATEGORY_DIR == 'off') {
$cID = (int)$result->fields['c_id'];
$pName = $this->get_category_name($cID, 'original') . '-' . $pName;
}
$retval .= $pName;
unset($pname);
break;
}
}
}
unset($sql, $result);
}
return $retval;
}
/**
* Function to get the category name. Use evaluated cache, per page cache,
* or database query in that order of precedent
* @param integer $cID NOTE: passed by reference
* @return string category name
*/
function get_category_name(&$cID, $format = SEO_URL_FORMAT){
global $db;
$full_cPath = $this->get_full_cPath($cID, $single_cID); // full cPath needed for uniformity
switch(true){
case (SEO_USE_CACHE_GLOBAL == 'true' && defined('CATEGORY_NAME_' . $full_cPath) && $format == SEO_URL_FORMAT):
$return = constant('CATEGORY_NAME_' . $full_cPath);
$this->cache['CATEGORIES'][$full_cPath] = $return;
break;
case (SEO_USE_CACHE_GLOBAL == 'true' && isset($this->cache['CATEGORIES'][$full_cPath]) && $format == SEO_URL_FORMAT):
$return = $this->cache['CATEGORIES'][$full_cPath];
break;
default:
$cName = '';
if(SEO_URL_CATEGORY_DIR == 'full') {
$path = array();
$this->get_parent_categories_path($path, $single_cID);
if(sizeof($path) > 0) {
$cName = implode('/', $path);
$cut = strrpos($cName, $this->reg_anchors['cPath']);
if($cut !== false) $cName = substr($cName, 0, $cut);
unset($cut);
}
unset($path);
}
else if($format == 'parent') {
$sql = 'SELECT `c`.`categories_id`, `c`.`parent_id`, `cd`.`categories_name` AS `cName`, `cd2`.`categories_name` AS `pName` ' .
'FROM `' . TABLE_CATEGORIES_DESCRIPTION . '` AS `cd`, `' . TABLE_CATEGORIES . '` AS `c` ' .
'LEFT JOIN `' . TABLE_CATEGORIES_DESCRIPTION . '` AS `cd2` ' .
'ON `c`.`parent_id`=`cd2`.`categories_id` AND `cd2`.`language_id`=\'' . (int)$this->languages_id . '\' ' .
'WHERE `c`.`categories_id`=\'' . (int)$single_cID . '\' ' .
'AND `cd`.`categories_id`=\'' . (int)$single_cID . '\' ' .
'AND `cd`.`language_id`=\'' . (int)$this->languages_id . '\' ' .
'LIMIT 1';
$result = $db->Execute($sql, false, true, 43200);
if(!$result->EOF) {
$cName = zen_not_null($result->fields['pName']) ? $this->filter($result->fields['pName'] . ' ' . $result->fields['cName']) : $this->filter($result->fields['cName']);
}
}
else {
$sql = 'SELECT `categories_name` AS `cName` ' .
'FROM `' . TABLE_CATEGORIES_DESCRIPTION . '` ' .
'WHERE `categories_id`=\'' . (int)$single_cID . '\' ' .
'AND `language_id`=\'' . (int)$this->languages_id . '\' ' .
'LIMIT 1';
$result = $db->Execute($sql, false, true, 43200);
if(!$result->EOF) $cName = $this->filter($result->fields['cName']);
}
$this->cache['CATEGORIES'][$full_cPath] = $cName;
$return = $cName;
break;
}
$cID = $full_cPath;
return $return;
}
/**
* Function to get the manufacturer name. Use evaluated cache, per page cache, or database query in that order of precedent.
* @author Bobby Easland
* @version 1.1
* @param integer $mID
* @return string
*/
function get_manufacturer_name($mID) {
global $db;
switch(true){
case (SEO_USE_CACHE_GLOBAL == 'true' && defined('MANUFACTURER_NAME_' . $mID)):
$return = constant('MANUFACTURER_NAME_' . $mID);
$this->cache['MANUFACTURERS'][$mID] = $return;
break;
case (SEO_USE_CACHE_GLOBAL == 'true' && isset($this->cache['MANUFACTURERS'][$mID])):
$return = $this->cache['MANUFACTURERS'][$mID];
break;
default:
$sql = "SELECT manufacturers_name as mName
FROM ".TABLE_MANUFACTURERS."
WHERE manufacturers_id='".(int)$mID."'
LIMIT 1";
$result = $db->Execute($sql, false, true, 43200);
$mName = $this->filter($result->fields['mName']);
$this->cache['MANUFACTURERS'][$mID] = $mName;
$return = $mName;
break;
} # end switch
return $return;
} # end function
/**
* Function to get the EZ-Pages name. Use evaluated cache, per page cache, or database query in that order of precedent.
* @author Bobby Easland, Ronald Crawford
* @version 1.0
* @param integer $mID
* @return string
*/
function get_ezpages_name($ezpID) {
global $db;
switch(true){
case (SEO_USE_CACHE_GLOBAL == 'true' && defined('EZPAGES_NAME_' . $ezpID)):
$return = constant('EZPAGES_NAME_' . $ezpID);
$this->cache['EZPAGES'][$ezpID] = $return;
break;
case (SEO_USE_CACHE_GLOBAL == 'true' && isset($this->cache['EZPAGES'][$ezpID])):
$return = $this->cache['EZPAGES'][$ezpID];
break;
default:
if(defined('TABLE_EZPAGES_TEXT')) {
$sql = 'SELECT et.pages_title AS ezpName ' .
'FROM `' . TABLE_EZPAGES . '` AS e, `' . TABLE_EZPAGES_TEXT . '` AS et ' .
'WHERE e.pages_id=\''.(int)$ezpID.'\' ' .
'AND e.pages_id = et.pages_id ' .
'AND et.languages_id = \'' . (int)$_SESSION['languages_id'] . '\' ' .
'LIMIT 1';
}
else {
$sql = 'SELECT pages_title AS ezpName ' .
'FROM `' . TABLE_EZPAGES . '` ' .
'WHERE pages_id=\''.(int)$ezpID.'\' ' .
'LIMIT 1';
}
$result = $db->Execute($sql, false, true, 43200);
$ezpName = $this->filter($result->fields['ezpName']);
$this->cache['EZPAGES'][$ezpID] = $ezpName;
$return = $ezpName;
break;
} # end switch
return $return;
} # end function
/**
* Function to retrieve full cPath from category ID
* @author Bobby Easland
* @version 1.1
* @param mixed $cID Could contain cPath or single category_id
* @param integer $original Single category_id passed back by reference
* @return string Full cPath string
*/
function get_full_cPath($cID, &$original){
if ( is_numeric(strpos($cID, '_')) ){
$temp = @explode('_', $cID);
$original = $temp[sizeof($temp)-1];
return $cID;
} else {
$c = array();
$this->get_parent_categories_id($c, $cID);
$c = array_reverse($c);
$c[] = $cID;
$original = $cID;
$cID = sizeof($c) > 1 ? implode('_', $c) : $cID;
return $cID;
}
} # end function
/**
* Recursion function to retrieve parent categories from category ID
* @author Bobby Easland
* @version 1.0
* @param mixed $categories Passed by reference
* @param integer $categories_id
*/
function get_parent_categories_id(&$categories, $categories_id) {
global $db;
$sql = "SELECT parent_id FROM " . TABLE_CATEGORIES . " WHERE categories_id = " . (int)$categories_id;
$parent_categories = $db->Execute($sql);
while (!$parent_categories->EOF) {
if ($parent_categories->fields['parent_id'] == 0) return true;
$categories[sizeof($categories)] = $parent_categories->fields['parent_id'];
if ($parent_categories->fields['parent_id'] != $categories_id) {
$this->get_parent_categories_id($categories, $parent_categories->fields['parent_id']);
}
$parent_categories->MoveNext();
}
}
/**
* Recursion function to retrieve parent categories from category ID.
*
* @author Andrew Ballanger
* @version 1.0
* @param mixed $path Passed by reference
* @param integer $categories_id
*/
function get_parent_categories_path(&$path, $categories_id, &$cPath = array()) {
global $db;
$sql = 'SELECT c.parent_id AS p_id, cd.categories_name AS name ' .
'FROM `' . TABLE_CATEGORIES . '` AS c ' .
'LEFT JOIN `' . TABLE_CATEGORIES_DESCRIPTION . '` AS cd ' .
'ON c.categories_id=cd.categories_id ' .
'AND cd.language_id=\'' . (int)$this->languages_id . '\'' .
'WHERE c.categories_id=\'' . (int)$categories_id . '\'';
$parent = $db->Execute($sql, false, true, 43200);
if(!$parent->EOF) {
// Recurse if the parent id is not empty or equal the passed categories id
if ($parent->fields['p_id'] != 0 && $parent->fields['p_id'] != $categories_id) {
$this->get_parent_categories_path($path, $parent->fields['p_id'], $cPath);
}
// Add category id to cPath and name to path
$cPath[sizeof($cPath)] = $categories_id;
$path[sizeof($path)] = $this->filter($parent->fields['name']) . '-c-' .
(sizeof($cPath) > 1 ? implode('_', $cPath) : $categories_id);
}
}
function is_attribute_string($params){
if (preg_match('/products_id=([0-9]+):([a-zA-z0-9]{32})/', $params)) {
return true;
}
return false;
}
function is_product_string($params) {
if (preg_match('/products_id=/i', $params)) {
return true;
}
return false;
}
function is_cPath_string($params) {
if (preg_match('/cPath=/i', $params)) {
return true;
}
return false;
}
/**
* Function to filter a string and remove punctuation and white space.
*
* @param string $string input text
* @return string filtered text
*/
function filter($string){
$retval = $string;
// First filter using PCRE Rules
if(is_array($this->filter_pcre))
{
$retval = preg_replace(
array_keys($this->filter_pcre),
array_values($this->filter_pcre),
$retval
);
}
// Next run Character Conversion Sets over the string
if(is_array($this->filter_char)) $retval = strtr($retval, $this->filter_char);
// Next run character filters over the string
$pattern = '';
// Remove Special Characters from the strings
switch(SEO_URLS_REMOVE_CHARS) {
case 'non-alphanumerical':
// Remove all non alphanumeric characters
if(!self::$unicodeEnabled) {
// POSIX named classes are not supported by preg_replace
$pattern = '/[^a-zA-Z0-9\s]/';
} else {
// Each language's alphabet.
$pattern = '/[^\p{L}\p{N}\s]/u';
}
break;
case 'punctuation':
// Remove all punctuation
if(!self::$unicodeEnabled) {
// POSIX named classes are not supported by preg_replace
$pattern = '/[!"#$%&\'()*+,.\/:;<=>?@[\\\]^_`{|}~]/';
} else {
// Each language's punctuation.
$pattern = '/[\p{P}\p{S}]/u';
}
break;
default:
}
$retval = preg_replace($pattern, '', strtolower($retval));
// Replace any remaining whitespace with a -
$retval = preg_replace('/\s/', '-', $retval);
return $this->short_name($retval); // return the short filtered name
} # end function
/**
* Function to expand the SEO_CONVERT_SET group
* @author Bobby Easland
* @version 1.0
* @param string $set
* @return mixed
*/
// START SEO_URLS_FILTER_PCRE PATCH
function expand($set, $pcre = false){
// END SEO_URLS_FILTER_PCRE PATCH
if ( zen_not_null($set) ){
if ( $data = @explode(',', $set) ){
foreach ( $data as $index => $valuepair){
$p = @explode('=>', $valuepair);
// START SEO_URLS_FILTER_PCRE PATCH
if($pcre) $p[0] = '/' . $p[0] . '/';
// END SEO_URLS_FILTER_PCRE PATCH
$container[trim($p[0])] = trim($p[1]);
}
return $container;
} else {
return 'false';
}
} else {
return 'false';
}
} # end function
/**
* Function to return the short word filtered string
* @author Bobby Easland
* @version 1.0
* @param string $str
* @param integer $limit
* @return string Short word filtered
*/
function short_name($str, $limit=3){
if(defined('SEO_URLS_FILTER_SHORT_WORDS')) $limit = (int)SEO_URLS_FILTER_SHORT_WORDS;
$foo = @explode('-', $str);
foreach($foo as $index => $value){
switch (true){
case ( strlen($value) <= $limit ):
continue;
default:
$container[] = $value;
break;
}
} # end foreach
$container = ( sizeof($container) > 1 ? implode('-', $container) : $str );
return $container;
}
/**
* Function to implode an associative array
* @author Bobby Easland
* @version 1.0
* @param array $array Associative data array
* @param string $inner_glue
* @param string $outer_glue
* @return string
*/
function implode_assoc($array, $inner_glue='=', $outer_glue='&') {
$output = array();
foreach( $array as $key => $item ){
if ( zen_not_null($key) && zen_not_null($item) ){
$output[] = $key . $inner_glue . $item;
}
} # end foreach
return @implode($outer_glue, $output);
}
/**
* Function to translate a string
* @author Bobby Easland
* @version 1.0
* @param string $data String to be translated
* @param array $parse Array of tarnslation variables
* @return string
*/
function parse_input_field_data($data, $parse) {
return strtr(trim($data), $parse);
}
/**
* Function to generate EZ-Pages cache entries
*/
function generate_ezpages_cache() {
global $db;
$this->is_cached($this->cache_file . 'ezpages', $is_cached, $is_expired);
if (!$is_cached || $is_expired) {
if(defined('TABLE_EZPAGES_TEXT')) {
$sql = 'SELECT e.pages_id AS id, et.pages_title AS name ' .
'FROM `' . TABLE_EZPAGES . '` AS e, `' . TABLE_EZPAGES_TEXT . '` AS et ' .
'WHERE e.pages_id = et.pages_id ' .
'AND et.languages_id = \'' . (int)$_SESSION['languages_id'] . '\'';
}
else {
$sql = 'SELECT pages_id AS id, pages_title AS name ' .
'FROM `' . TABLE_EZPAGES . '` ';
}
$ezpages = $db->Execute($sql, false, true, 43200);
$ezpages_cache = '';
while (!$ezpages->EOF) {
$define = 'define(\'EZPAGES_NAME_' . $ezpages->fields['id'] . '\', \'' . $this->filter($ezpages->fields['name']) . '\');';
$ezpages_cache .= $define . "\n";
eval("$define");
$ezpages->MoveNext();
}
$this->save_cache($this->cache_file . 'ezpages', $ezpages_cache, 'EVAL', 1 , 1);
unset($ezpages_cache);
} else {
$this->get_cache($this->cache_file . 'ezpages');
}
} # end function
/**
* Function to generate products cache entries
*/
function generate_products_cache() {
global $db;
$this->is_cached($this->cache_file . 'products', $is_cached, $is_expired);
if(!$is_cached || $is_expired) {
if(SEO_URL_FORMAT == 'parent') {
$sql = 'SELECT p.products_id as id, ptc.categories_id as c_id, p.master_categories_id AS master_id, pd.products_name as name ' .
'FROM ' . TABLE_PRODUCTS  . ' AS p ' .
'LEFT JOIN ' . TABLE_PRODUCTS_DESCRIPTION . ' AS pd ' .
'ON p.products_id=pd.products_id ' .
'LEFT JOIN ' . TABLE_PRODUCTS_TO_CATEGORIES . ' AS ptc ' .
'ON p.products_id=ptc.products_id ' .
'WHERE p.products_status=\'1\' ' .
'AND pd.language_id=\'' . (int)$this->languages_id . '\'';
}
else {
$sql = 'SELECT p.products_id as id, pd.products_name as name ' .
'FROM ' . TABLE_PRODUCTS  . ' AS p ' .
'LEFT JOIN ' . TABLE_PRODUCTS_DESCRIPTION . ' AS pd ' .
'ON p.products_id=pd.products_id ' .
'WHERE p.products_status=\'1\' ' .
'AND pd.language_id=\'' . (int)$this->languages_id . '\'';
}
$product = $db->Execute($sql, false, true, 43200);
$prod_cache = '';
while (!$product->EOF) {
$pName = $this->filter($product->fields['name']);
if(SEO_URL_FORMAT == 'parent' && SEO_URL_CATEGORY_DIR == 'off') {
$cID = (int)$product->fields['c_id'];
$pName = $this->get_category_name($cID, 'original') . '-' . $pName;
}
$define = 'define(\'PRODUCT_NAME_' . $product->fields['id'] . '\', \'' . $pName . '\');';
$prod_cache .= $define . "\n";
eval("$define");
$product->MoveNext();
}
$this->save_cache($this->cache_file . 'products', $prod_cache, 'EVAL', 1 , 1);
unset($cID, $masterID, $pName, $define, $sql, $product, $prod_cache);
}
else
{
$this->get_cache($this->cache_file . 'products');
}
} # end function
/**
* Function to generate manufacturers cache entries
* @author Bobby Easland
* @version 1.0
*/
function generate_manufacturers_cache() {
global $db;
$this->is_cached($this->cache_file . 'manufacturers', $is_cached, $is_expired);
if ( !$is_cached || $is_expired ) { // it's not cached so create it
$sql = "SELECT m.manufacturers_id as id, m.manufacturers_name as name
FROM ".TABLE_MANUFACTURERS." m
LEFT JOIN ".TABLE_MANUFACTURERS_INFO." md
ON m.manufacturers_id=md.manufacturers_id
AND md.languages_id='".(int)$this->languages_id."'";
$manufacturers = $db->Execute($sql, false, true, 43200);
$man_cache = '';
while (!$manufacturers->EOF) {
$define = 'define(\'MANUFACTURER_NAME_' . $manufacturer->fields['id'] . '\', \'' . $this->filter($manufacturer->fields['name']) . '\');';
$man_cache .= $define . "\n";
eval("$define");
$manufacturers->MoveNext();
}
$this->save_cache($this->cache_file . 'manufacturers', $man_cache, 'EVAL', 1 , 1);
unset($man_cache);
} else {
$this->get_cache($this->cache_file . 'manufacturers');
}
} # end function
/**
* Function to generate categories cache entries
*/
function generate_categories_cache() {
global $db;
$this->is_cached($this->cache_file . 'categories', $is_cached, $is_expired);
if(!$is_cached || $is_expired) { // it's not cached so create it
if(SEO_URL_FORMAT == 'parent' || SEO_URL_CATEGORY_DIR == 'short') {
$sql = 'SELECT c.categories_id as id, c.parent_id, cd.categories_name as cName, cd2.categories_name as pName ' .
'FROM `' . TABLE_CATEGORIES . '` AS c ' .
'LEFT JOIN `' . TABLE_CATEGORIES_DESCRIPTION . '` AS cd2 ' .
'ON c.parent_id=cd2.categories_id AND cd2.language_id=\'' . (int)$this->languages_id . '\'' .
', `' . TABLE_CATEGORIES_DESCRIPTION . '` AS cd ' .
'WHERE c.categories_id=cd.categories_id ' .
'AND cd.language_id=\'' . (int)$this->languages_id . '\'';
}
else {
$sql = 'SELECT categories_id as id, categories_name as cName ' .
'FROM `' . TABLE_CATEGORIES_DESCRIPTION . '` ' .
'WHERE language_id=\'' . (int)$this->languages_id . '\'';
}
$category = $db->Execute($sql, false, true, 43200);
$cat_cache = '';
while (!$category->EOF) {
$cName = '';
$cPath = $this->get_full_cPath($category->fields['categories_id'], $single_cID);
if(SEO_URL_CATEGORY_DIR == 'full') {
$path = array();
$this->get_parent_categories_path($path, $single_cID);
if(sizeof($path) > 0) {
$cName = implode('/', $path);
$cut = strrpos($cName, $this->reg_anchors['cPath']);
if($cut !== false) $cName = substr($cName, 0, $cut);
unset($cut);
}
unset($path);
}
else if (SEO_URL_FORMAT == 'parent') {
$cName = zen_not_null($category->fields['pName']) ? $this->filter($category->fields['pName'] . ' ' . $category->fields['cName']) : $this->filter($category->fields['cName']);
}
else {
$cName = $this->filter($category->fields['cName']);
}
$define = 'define(\'CATEGORY_NAME_' . $cPath . '\', \'' . $cName . '\');';
$cat_cache .= $define . "\n";
eval("$define");
$category->MoveNext();
}
$this->save_cache($this->cache_file . 'categories', $cat_cache, 'EVAL', 1 , 1);
unset($cat_cache);
} else {
$this->get_cache($this->cache_file . 'categories');
}
} # end function
/**
* Function to save the cache to database
* @author Bobby Easland
* @version 1.0
* @param string $name Cache name
* @param mixed $value Can be array, string, PHP code, or just about anything
* @param string $method RETURN, ARRAY, EVAL
* @param integer $gzip Enables compression
* @param integer $global Sets whether cache record is global is scope
* @param string $expires Sets the expiration
*/
function save_cache($name, $value, $method='RETURN', $gzip=1, $global=0, $expires = '30 days'){
global $queryCache;
$expires = date('Y-m-d H:i:s', strtotime('+' . $expires));
if ($method == 'ARRAY') $value = serialize($value);
$value = ( $gzip === 1 ? base64_encode(gzdeflate($value, 1)) : addslashes($value) );
$sql_data_array = array(
'cache_id' => md5($name),
'cache_language_id' => (int)$this->languages_id,
'cache_name' => $name,
'cache_data' => $value,
'cache_global' => (int)$global,
'cache_gzip' => (int)$gzip,
'cache_method' => $method,
'cache_date' => date("Y-m-d H:i:s"),
'cache_expires' => $expires
);
$this->is_cached($name, $is_cached, $is_expired);
$cache_check = ( $is_cached ? 'true' : 'false' );
switch ( $cache_check ) {
case 'true':
zen_db_perform(TABLE_SEO_CACHE, $sql_data_array, 'update', "cache_id='".md5($name)."'");
break;
case 'false':
zen_db_perform(TABLE_SEO_CACHE, $sql_data_array, 'insert');
break;
default:
break;
} # end switch ($cache check)
// Fix for query_cache
$query = "SELECT cache_expires FROM " . TABLE_SEO_CACHE . " WHERE cache_id='".md5($name)."' AND cache_language_id='".(int)$this->languages_id."' LIMIT 1";
if(isset($queryCache) && $queryCache->inCache($query))
$queryCache->removeFromCache($query);
# unset the variables...clean as we go
unset($value, $expires, $sql_data_array, $query);
}# end function save_cache()
/**
* Function to get cache entry
* @author Bobby Easland
* @version 1.0
* @param string $name
* @param boolean $local_memory
* @return mixed
*/
function get_cache($name = 'GLOBAL', $local_memory = false){
global $db;
$select_list = 'cache_id, cache_language_id, cache_name, cache_data, cache_global, cache_gzip, cache_method, cache_date, cache_expires';
$global = ( $name == 'GLOBAL' ? true : false ); // was GLOBAL passed or is using the default?
switch($name){
case 'GLOBAL':
$cache = $db->Execute("SELECT ".$select_list." FROM " . TABLE_SEO_CACHE . " WHERE cache_language_id='".(int)$this->languages_id."' AND cache_global='1'");
break;
default:
$cache = $db->Execute("SELECT ".$select_list." FROM " . TABLE_SEO_CACHE . " WHERE cache_id='".md5($name)."' AND cache_language_id='".(int)$this->languages_id."'");
break;
}
$num_rows = $cache->RecordCount();
if ($num_rows){
$container = array();
while(!$cache->EOF){
$cache_name = $cache->fields['cache_name'];
if ( $cache->fields['cache_expires'] > date("Y-m-d H:i:s") ) {
$cache_data = ( $cache->fields['cache_gzip'] == 1 ? gzinflate(base64_decode($cache->fields['cache_data'])) : stripslashes($cache->fields['cache_data']) );
switch($cache->fields['cache_method']){
case 'EVAL': // must be PHP code
eval("$cache_data");
break;
case 'ARRAY':
$cache_data = unserialize($cache_data);
case 'RETURN':
default:
break;
} # end switch ($cache['cache_method'])
if ($global) $container['GLOBAL'][$cache_name] = $cache_data;
else $container[$cache_name] = $cache_data; // not global
} else { // cache is expired
if ($global) $container['GLOBAL'][$cache_name] = false;
else $container[$cache_name] = false;
}# end if ( $cache['cache_expires'] > date("Y-m-d H:i:s") )
if ( $this->keep_in_memory || $local_memory ) {
if ($global) $this->data['GLOBAL'][$cache_name] = $container['GLOBAL'][$cache_name];
else $this->data[$cache_name] = $container[$cache_name];
}
$cache->MoveNext();
} # end while ($cache = $this->DB->FetchArray($this->cache_query))
unset($cache_data);
switch (true) {
case ($num_rows == 1):
if ($global){
if ($container['GLOBAL'][$cache_name] == false || !isset($container['GLOBAL'][$cache_name])) return false;
else return $container['GLOBAL'][$cache_name];
} else { // not global
if ($container[$cache_name] == false || !isset($container[$cache_name])) return false;
else return $container[$cache_name];
} # end if ($global)
case ($num_rows > 1):
default:
return $container;
break;
}# end switch (true)
} else {
return false;
}# end if ( $num_rows )
} # end function get_cache()
/**
* Function to get cache from memory
* @author Bobby Easland
* @version 1.0
* @param string $name
* @param string $method
* @return mixed
*/
function get_cache_memory($name, $method = 'RETURN'){
$data = ( isset($this->data['GLOBAL'][$name]) ? $this->data['GLOBAL'][$name] : $this->data[$name] );
if ( isset($data) && !empty($data) && $data != false ){
switch($method){
case 'EVAL': // data must be PHP
eval("$data");
return true;
break;
case 'ARRAY':
case 'RETURN':
default:
return $data;
break;
} # end switch ($method)
} else {
return false;
} # end if (isset($data) && !empty($data) && $data != false)
} # end function get_cache_memory()
/**
* Function to perform basic garbage collection for database cache system
* @author Bobby Easland
* @version 1.0
*/
function cache_gc() {
global $db;
$db->Execute("DELETE FROM " . TABLE_SEO_CACHE . " WHERE cache_expires <= '" . date("Y-m-d H:i:s") . "'");
}
/**
* Function to check if the cache is in the database and expired
* @author Bobby Easland
* @version 1.0
* @param string $name
* @param boolean $is_cached NOTE: passed by reference
* @param boolean $is_expired NOTE: passed by reference
*/
function is_cached($name, &$is_cached, &$is_expired){ // NOTE: $is_cached and $is_expired is passed by reference !!
global $db;
$this->cache_query = $db->Execute("SELECT cache_expires FROM " . TABLE_SEO_CACHE . " WHERE cache_id='".md5($name)."' AND cache_language_id='".(int)$this->languages_id."' LIMIT 1");
$is_cached = ( $this->cache_query->RecordCount() > 0 ? true : false );
if ($is_cached){
$is_expired = ( $this->cache_query->fields['cache_expires'] <= date("Y-m-d H:i:s") ? true : false );
unset($check);
}
}# end function is_cached()
function check_canonical() {
global $db, $request_type;
$this->uri = ltrim($_SERVER['REQUEST_URI']);
$this->real_uri = ltrim( basename($_SERVER['SCRIPT_NAME']) . '?' . $_SERVER['QUERY_STRING'], '/' );
$this->uri_parsed = parse_url($this->uri);
$this->canonical = null;
$this->check_seo_page();
if($this->is_seopage && array_key_exists('products_id', $_GET)) {
// Retrieve the product type handler from the database
$type = $db->Execute(
'SELECT `pt`.`type_handler` ' .
'FROM `'. TABLE_PRODUCTS .'` AS `p` ' .
'LEFT JOIN `'. TABLE_PRODUCT_TYPES .'` AS `pt` ON `pt`.`type_id` = `p`.`products_type` ' .
'WHERE `p`. `products_id` = \'' . (int)$_GET['products_id'] . '\' LIMIT 1'
);
if(!$type->EOF) {
// Validate this was a request to the product page
$product_page = $type->fields['type_handler'] . '_info';
if($_GET['main_page'] == $product_page) {
// Only add the canonical if one is found
$this->canonical = $this->get_product_canonical((int)$_GET['products_id']);
if($this->canonical !== null) {
$separator = '?';
$this->canonical = $this->make_url(
$product_page,
$this->canonical,
'products_id', (int)$_GET['products_id'],
SEO_URL_END,
$separator
);
$this->canonical = ($request_type == 'SSL' ? HTTPS_SERVER . DIR_WS_HTTPS_CATALOG : HTTP_SERVER . DIR_WS_CATALOG) . htmlspecialchars($this->canonical, ENT_QUOTES, CHARSET, false);
unset($separator);
}
}
}
unset($type, $product_page, $separator);
}
}
function check_redirect() {
if($this->is_seopage) {
$this->need_redirect();
// This does not need to run if we are not on a seo_page
if($this->need_redirect) {
$this->do_redirect();
}
}
}
function need_redirect() {
$this->need_redirect = false;
// If we are in the admin we should never redirect
// We should also avoid redirects with post content
if(IS_ADMIN_FLAG != 'true' && count($_POST) <= 0) {
// First see if we need to redirect because the URL contains main_page=
$this->need_redirect = (preg_match('/[?&]main_page=([^&]*)/', $this->uri) === 1 ? true : false);
// Retrieve the generated URL for this request
$params = array();
foreach($_GET as $key => $value) {
if($key == 'main_page') continue;
// Fix the case sensitivity, shopping cart sometimes breaks this
if($key == 'cpath') $key = 'cPath';
$params[] = $key . '=' . $value;
}
$params = (sizeof($params) > 0 ? implode('&', $params) : '');
$my_url = $this->href_link($_GET['main_page'], $params, 'NONSSL', false, true, false, true);
if($my_url === null) $my_url = original_zen_href_link($_GET['main_page'], $params, 'NONSSL', false);
$this->redirect_url = parse_url($my_url);
unset($my_url);
// See if the path's match
if($this->uri_parsed['path'] != $this->redirect_url['path'] && rawurldecode($this->uri_parsed['path']) != $this->redirect_url['path']) {
if($this->canonical !== null) {
$canonical = parse_url($this->canonical);
if($this->uri_parsed['path'] != $canonical['path']) {
$this->need_redirect = true;
}
}
else {
$this->need_redirect = true;
}
}
// See if the parameters match. We do not care about order.
else {
$params = asort(explode('&', $this->uri_parsed['query']));
$old_params = asort(explode('&', $this->uri_parsed['query']));
if(count($params) != count($old_params)) {
$this->need_redirect = true;
}
else {
for($i=0,$n=count($params);$i<$n;$i++) {
if($params[$i] != $old_params[$i]) {
$this->need_redirect = true;
break;
}
}
}
unset($params, $old_params);
}
$this->redirect_url = $this->redirect_url['path'] . (array_key_exists('query', $this->redirect_url) ? '?' . $this->redirect_url['query'] : '');
}
}
function check_seo_page() {
$this->is_seopage = false;
if(defined('SEO_ENABLED') && SEO_ENABLED == 'true') {
$sefu = explode(',', str_replace(' ', '', SEO_URLS_ONLY_IN));
if(!zen_not_null(SEO_URLS_ONLY_IN) || in_array($_GET['main_page'], $sefu)) {
$this->is_seopage = true;
}
}
}
function do_redirect() {
// Cleanup URL for redirection (this is actually needed)
$this->redirect_url = str_replace('&amp;', '&', $this->redirect_url);
switch(SEO_USE_REDIRECT){
case 'true':
header('HTTP/1.1 301 Moved Permanently');
header('Location: ' . $this->redirect_url);
break;
default:
}
}
}