ConLite/conlite/includes/functions.pathresolver.php

405 Zeilen
14 KiB
PHP

<?php
/**
* Project:
* Contenido Content Management System
*
* Description:
* Path resolving functions
*
* Requirements:
* @con_php_req 5.0
*
*
* @package Contenido Backend includes
* @version 1.1.9
* @author Timo A. Hummel
* @copyright four for business AG <www.4fb.de>
* @license http://www.contenido.org/license/LIZENZ.txt
* @link http://www.4fb.de
* @link http://www.contenido.org
* @since file available since contenido release <= 4.6
*
* {@internal
* created unknown
* modified 2006-12-14, init array $results in fct prResolvePathViaURLNames, prResolvePathViaCategoryNames, return type is now integer
* modified 2008-06-26, Frederic Schneider, add security fix
* modified 2008-08-11, Bilal Arslan, Change prResolvePathViaCategoryNames function for take current path language id!
* modified 2008-11-11, Andreas Lindner, Change prResolvePathViaCategoryNames, suppress change of current language if an url path
* is found in current and at least one more language
* modified 2009-10-23, Murat Purc, removed deprecated function (PHP 5.3 ready) and formatting
*
* $Id: functions.pathresolver.php 306 2014-03-13 23:03:26Z oldperl $:
* }}
*
*/
if(!defined('CON_FRAMEWORK')) {
die('Illegal call');
}
/**
* prResolvePathViaURLNames: Resolves a path using some fuzzy logic.
*
* Warning: If you use this function, try to pass a "good" path. This
* function doesn't guarantee that the matches are logically
* best-matches.
*
* This function operates on the category aliases. It compares the given path with the urlpaths generated by function
* prCreateURLNameLocationString() based on category aliases.
*
* @param $path string Path to resolve
* @return integer Closest matching category ID (idcat)
*/
function prResolvePathViaURLNames($path) {
$handle = startTiming("prResolvePathViaURLNames", array ($path));
global $cfg, $lang, $client;
/* Initialize variables */
$db = new DB_ConLite;
$categories = array();
$results = array();
/* Pre-process path */
$path = strtolower(str_replace(" ", "", $path));
if ($cfg["pathresolve_heapcache"] == true) {
$pathresolve_tablename = $cfg["sql"]["sqlprefix"]."_pathresolve_cache";
$sql = "SHOW TABLES LIKE '".Contenido_Security::escapeDB($pathresolve_tablename, $db)."'";
$db->query($sql);
if (!$db->next_record()) {
/**
* @TODO: Externalize table creation
*
* Important: This is really a hack! Don't use pathresolve_heapcache if you are
* not sure what it does.
*/
$sql = 'CREATE TABLE `'.Contenido_Security::escapeDB($pathresolve_tablename, $db).'` (
`idpathresolvecache` INT( 10 ) NOT NULL PRIMARY KEY ,
`path` VARCHAR( 255 ) NOT NULL ,
`idcat` INT( 10 ) NOT NULL ,
`idlang` INT( 10 ) NOT NULL ,
`lastcached` INT(10) NOT NULL
) TYPE = HEAP;';
$db->query($sql);
}
$sql = "SELECT idpathresolvecache, idcat, lastcached FROM %s WHERE path LIKE '%s' AND idlang='%s' ORDER BY lastcached DESC LIMIT 1";
$db->query(sprintf($sql, Contenido_Security::escapeDB($pathresolve_tablename, $db), Contenido_Security::escapeDB($path, $db), Contenido_Security::toInteger($lang)));
if ($db->next_record()) {
if (isset ($cfg["pathresolve_heapcache_time"])) {
$iCacheTime = $cfg["pathresolve_heapcache_time"];
} else {
$iCacheTime = 60 * 60 * 24;
}
$tmp_idcat = $db->f("idcat");
if ($db->f("lastcached") + $iCacheTime < time()) {
$sql = "DELETE FROM %s WHERE idpathresolvecache = '%s'";
$db->query(sprintf($sql, Contenido_Security::escapeDB($pathresolve_tablename, $db), Contenido_Security::toInteger($db->f("idpathresolvecache"))));
} else {
return $db->f("idcat");
}
}
}
/* Fetch all category names, build path strings */
// change the where statement for get all languages
$sql = "SELECT * FROM ".$cfg["tab"]["cat_tree"]." AS A, ".$cfg["tab"]["cat"]." AS B, ".$cfg["tab"]["cat_lang"]." AS C WHERE A.idcat=B.idcat AND B.idcat=C.idcat AND C.idlang='".Contenido_Security::toInteger($lang)."'
AND C.visible = 1 AND B.idclient='".Contenido_Security::toInteger($client)."' ORDER BY A.idtree";
$db->query($sql);
$catpath = array ();
while ($db->next_record()) {
$cat_str = "";
prCreateURLNameLocationString($db->f("idcat"), "/", $cat_str, false, "", 0, 0, true, true);
/* Store path */
$catpath[$db->f("idcat")] = $cat_str;
$catnames[$db->f("idcat")] = $db->f("name");
$catlevels[$db->f("idcat")] = $db->f("level");
}
/* Compare strings using the similar_text algorythm */
$percent = 0;
foreach ($catpath as $key => $value) {
$value = strtolower(str_replace(" ", "", $value));
similar_text($value, $path, $percent);
$firstpath = strpos($value, "/");
if ($firstpath !== 0) {
$xpath = substr($value, $firstpath);
$ypath = substr($path, 0, strlen($path) - 1);
if ($xpath == $ypath) {
$results[$key] = 100;
} else {
$results[$key] = $percent;
}
} else {
$results[$key] = $percent;
}
}
arsort($results, SORT_NUMERIC);
reset($results);
endAndLogTiming($handle);
if ($cfg["pathresolve_heapcache"] == true) {
$nid = $db->nextid($pathresolve_tablename);
$sql = "INSERT INTO %s SET idpathresolvecache='%s', path='%s', idcat='%s', idlang='%s', lastcached=%s";
$db->query(sprintf($sql, Contenido_Security::toInteger($pathresolve_tablename), Contenido_Security::toInteger($nid), Contenido_Security::escapeDB($path, $db), Contenido_Security::toInteger(key($results)), Contenido_Security::toInteger($lang), time()));
}
return (int) key($results);
}
/**
* prResolvePathViaCategoryNames: Resolves a path using some fuzzy logic.
*
* Warning: If you use this function, try to pass a "good" path. This
* function doesn't guarantee that the matches are logically
* best-matches.
*
* This function operates on the actual category names.
*
* @param $path string Path to resolve
* @return integer Closest matching category ID (idcat)
*/
function prResolvePathViaCategoryNames($path, &$iLangCheck) {
$handle = startTiming("prResolvePathViaCategoryNames", array ($path));
global $cfg, $lang, $client;
/* Initialize variables */
$db = new DB_ConLite;
$categories = array ();
$results = array();
$iLangCheckOrg = $iLangCheck;
/* Added since 2008-08 from Bilal Arslan */
// To take only path body
if (preg_match('/^\/(.*)\/$/', $path, $aResults)) {
$aResult = explode("/", $aResults[1]);
} elseif (preg_match('/^\/(.*)$/', $path, $aResults)) {
$aResult = explode("/", $aResults[1]);
} else {
$aResults[1] = $path;
}
$aResults[1] = strtolower(preg_replace('/-/', ' ', $aResults[1]));
// Init to Compare, save path in array
$aPathsToCompare = explode("/", $aResults[1]);
$iCountPath = count($aPathsToCompare);
// init lang id
$iLangCheck=0;
/* Pre-process path */
$path = strtolower(str_replace(" ", "", $path));
/* Fetch all category names, build path strings */
// change the where statement for get all languages
$sql = "SELECT * FROM ".$cfg["tab"]["cat_tree"]." AS A, ".$cfg["tab"]["cat"]." AS B, ".$cfg["tab"]["cat_lang"]." AS C WHERE A.idcat=B.idcat AND B.idcat=C.idcat
AND C.visible = 1 AND B.idclient='".Contenido_Security::toInteger($client)."' ORDER BY A.idtree";
$db->query($sql);
$catpath = array ();
$arrLangMatches = array();
while ($db->next_record()) {
$cat_str = "";
$aTemp = "";
$iFor = 0;
$bLang = false;
// $level is changeless 0!!!
conCreateLocationString($db->f("idcat"), "/", $cat_str, false, '', 0, $db->f("idlang"));
/* Store path */
$catpath[$db->f("idcat")] = $cat_str;
$catnames[$db->f("idcat")] = $db->f("name");
$catlevels[$db->f("idcat")] = $db->f("level");
// Init variables for take a language id
$aTemp = strtolower($cat_str);
$aDBToCompare = explode("/", $aTemp);
$iCountDB = count($aDBToCompare);
$iCountDBFor = $iCountDB - 1;
// take min. count of two arrays
($iCountDB > $iCountPath) ? $iFor = $iCountPath : $iFor = $iCountDB;
$iCountM = $iFor-1;
for ($i=0; $i<$iFor; $i++) {
if ($aPathsToCompare[$iCountM] == $aDBToCompare[$iCountDBFor]) {
$bLang = true;
} else {
$bLang = false;
}
$iCountM--;
$iCountDBFor--;
// compare, only if current element is lastone and we are in true path
if($i == $iFor-1 && $bLang) {
$iLangCheck = $db->f("idlang");
$arrLangMatches[] = $iLangCheck;
}
}
}
#Suppress wrongly language change if url name can be found in current language
if ($iLangCheckOrg == 0) {
if (in_array($lang, $arrLangMatches)) {
$iLangCheck = $lang;
}
}
/* Compare strings using the similar_text algorythm */
$percent = 0;
foreach ($catpath as $key => $value) {
$value = strtolower(str_replace(" ", "", $value));
similar_text($value, $path, $percent);
$results[$key] = $percent;
}
foreach ($catnames as $key => $value) {
$value = strtolower(str_replace(" ", "", $value));
similar_text($value, $path, $percent);
/* Apply weight */
$percent = $percent * $catlevels[$key];
if ($results[$key] > $percent) {
$results[$key] = $percent;
}
}
arsort($results, SORT_NUMERIC);
reset($results);
endAndLogTiming($handle);
return (int) key($results);
}
/**
* Recursive function to create an URL name location string
*
* @param int $idcat ID of the starting category
* @param string $seperator Seperation string
* @param string $cat_str Category location string (by reference)
* @param boolean $makeLink create location string with links
* @param string $linkClass stylesheet class for the links
* @param integer first navigation level location string should be printed out (first level = 0!!)
*
* @return string location string
*
* @author Jan Lengowski <jan.lengowski@4fb.de>
* @author Marco Jahn <marco.jahn@4fb.de>
*
* @copyright four for business AG <www.4fb.de>
*/
function prCreateURLNameLocationString($idcat, $seperator, & $cat_str, $makeLink = false, $linkClass = "",
$firstTreeElementToUse = 0, $uselang = 0, $final = true, $usecache = false) {
global $cfg, $client, $cfgClient, $lang, $sess, $_URLlocationStringCache;
if ($final == true) {
$cat_str = "";
}
if ($idcat == 0) {
$cat_str = "Lost and Found";
return;
}
if ($uselang == 0) {
$uselang = $lang;
}
if ($final == true && $usecache == true) {
if (!is_array($_URLlocationStringCache)) {
if (file_exists($cfgClient[$client]["path"]["frontend"]."cache/locationstring-url-cache-$uselang.txt")) {
$_URLlocationStringCache = unserialize(file_get_contents($cfgClient[$client]["path"]["frontend"]."cache/locationstring-url-cache-$uselang.txt"));
} else {
$_URLlocationStringCache = array ();
}
}
if (array_key_exists($idcat, $_URLlocationStringCache)) {
if ($_URLlocationStringCache[$idcat]["expires"] > time()) {
$cat_str = $_URLlocationStringCache[$idcat]["name"];
return;
}
}
}
$db = new DB_ConLite;
$sql = "SELECT
a.urlname AS urlname,
a.name AS name,
a.idcat AS idcat,
b.parentid AS parentid,
c.level as level
FROM
".$cfg["tab"]["cat_lang"]." AS a,
".$cfg["tab"]["cat"]." AS b,
".$cfg["tab"]["cat_tree"]." AS c
WHERE
a.idlang = '".Contenido_Security::toInteger($uselang)."' AND
b.idclient = '".Contenido_Security::toInteger($client)."' AND
b.idcat = '".Contenido_Security::toInteger($idcat)."' AND
a.idcat = b.idcat AND
c.idcat = b.idcat";
$db->query($sql);
$db->next_record();
if ($db->f("level") >= $firstTreeElementToUse) {
$name = $db->f("urlname");
if (trim($name) == "") {
$name = $db->f("name");
}
$parentid = $db->f("parentid");
//create link
if ($makeLink == true) {
$linkUrl = $sess->url("front_content.php?idcat=$idcat");
$name = '<a href="'.$linkUrl.'" class="'.$linkClass.'">'.$name.'</a>';
}
$tmp_cat_str = $name.$seperator.$cat_str;
$cat_str = $tmp_cat_str;
}
if ($parentid != 0) {
prCreateURLNameLocationString($parentid, $seperator, $cat_str, $makeLink, $linkClass, $firstTreeElementToUse, $uselang, false, $usecache);
} else {
$sep_length = strlen($seperator);
$str_length = strlen($cat_str);
$tmp_length = $str_length - $sep_length;
$cat_str = substr($cat_str, 0, $tmp_length);
}
if ($final == true && $usecache == true) {
$_URLlocationStringCache[$idcat]["name"] = $cat_str;
$_URLlocationStringCache[$idcat]["expires"] = time() + 3600;
if (is_writable($cfgClient[$client]["path"]["frontend"]."cache/") || (strtolower(substr(PHP_OS, 0, 3)) == "win")) {
file_put_contents($cfgClient[$client]["path"]["frontend"]."cache/locationstring-url-cache-$uselang.txt", serialize($_URLlocationStringCache));
}
}
}
?>