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class.rexsearch.inc.php
2361 lines (2001 loc) · 65.8 KB
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class.rexsearch.inc.php
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<?php
/**
* Class rexsearch
*
* This class is still being tested.
* Please report errors at http://forum.redaxo.de.
*
* @author Robert Rupf
* @package rexsearch
*/
/**
*
*/
define('A587_ART_EXCLUDED',0);
define('A587_ART_IDNOTFOUND',1);
define('A587_ART_GENERATED',2);
define('A587_ART_REDIRECT',3);
define('A587_FILE_NOEXIST',0);
define('A587_FILE_XPDFERR_OPENSRC',1);
define('A587_FILE_XPDFERR_OPENDEST',2);
define('A587_FILE_XPDFERR_PERM',3);
define('A587_FILE_XPDFERR_OTHER',4);
define('A587_FILE_FORBIDDEN_EXTENSION',5);
define('A587_FILE_GENERATED',6);
define('A587_FILE_EMPTY',7);
define('A587_SIMILARWORDS_NONE',0);
define('A587_SIMILARWORDS_SOUNDEX',1);
define('A587_SIMILARWORDS_METAPHONE',2);
define('A587_SIMILARWORDS_COLOGNEPHONE',4);
define('A587_SIMILARWORDS_ALL',7);
/**
* @package rexsearch
*/
class RexSearch
{
var $searchArticles = false;
var $blacklist = array();
var $blacklisted = array();
var $cache = true;
var $cachedArray = array();
/**
* @ignore
*/
var $ci = true; // case insensitive?
var $clang = false;
var $documentRoot;
var $dontIndexRedirects = true;
var $ellipsis;
var $ep_outputfilter = false;
var $excludeIDs = array();
var $fileExtensions = array();
var $groupBy = true;
var $hashMe = '';
var $highlightType = 'surroundtext';
var $includeColumns = array();
var $includeDirectories = array();
var $includePath;
var $generatedPath;
var $indexUnknownFileExtensions = false;
var $indexMediapool = false;
var $indexMissingFileExtensions = false;
var $indexOffline = false;
var $indexViaHTTP = false;
var $indexWithTemplate = false;
var $languages;
var $limit = array(0,10);
var $logicalMode = ' AND ';
var $maxHighlightedTextChars = 100;
var $maxTeaserChars = 200;
var $mediaFolder;
var $order = array('RELEVANCE587' => 'DESC');
var $redaxo = false;
var $searchArray = array();
var $searchEntities = false;
var $searchInIDs = array();
var $searchMode = 'like';
var $searchString = '';
var $significantCharacterCount = 3;
var $similarwords = false;
var $similarwordsMode = 0;
var $similarwordsPermanent = false;
var $stopwords = array();
var $surroundTags = array('<strong>','</strong>');
var $tablePrefix;
var $textMode = 'plain';
var $whitelist = array();
var $where = '';
#function __construct($_clang = false, $_loadSettings = true)
function RexSearch($_clang = false, $_loadSettings = true, $_useStopwords = true)
{
global $REX,$I18N;
if($_loadSettings)
{
foreach($REX['ADDON']['settings']['rexsearch'] as $key => $value)
{
switch($key)
{
case 'logicalmode':
$this->setLogicalMode($value);
break;
case 'textmode':
$this->setTextMode($value);
break;
case 'searchmode':
$this->setSearchMode($value);
break;
case 'surroundtags':
$this->setSurroundTags($value);
break;
case 'limit':
$this->setLimit($value);
break;
case 'ci':
$this->setCI($value);
break;
case 'blacklist':
$this->setBlacklist(is_array($value)?$value:array());
break;
case 'exclude_article_ids':
$this->setExcludeIDs($value);
break;
case 'exclude_category_ids':
if(is_array($value))
{
$ids = array();
foreach($value as $catID)
{
foreach(a587_getArticles(array($catID)) as $id => $name)
$ids[] = $id;
$this->setExcludeIDs($ids);
}
}
break;
case 'include':
$this->setIncludeColumns($value);
break;
case 'maxteaserchars':
$this->setMaxTeaserChars($value);
break;
case 'maxhighlightchars':
$this->setMaxHighlightedTextChars($value);
break;
case 'highlight':
$this->setHighlightType($value);
break;
case 'indexmode':
$this->indexViaHTTP = intval($value) == 0;
$this->indexWithTemplate = intval($value) == 2;
break;
case 'indexoffline':
$this->indexOffline = $value == '1';
break;
case 'similarwordsmode':
$this->similarwordsMode = intval($value);
$this->similarwords = !!intval($value);
break;
case 'similarwords_permanent':
$this->similarwordsPermanent = !!intval($value);
break;
case 'fileextensions':
$this->fileExtensions = $value;
break;
case 'indexfolders':
$this->includeDirectories = $value;
break;
case 'indexmediapool':
$this->indexMediapool = !!intval($value);
break;
case 'ep_outputfilter':
$this->ep_outputfilter = !!intval($value);
break;
}
}
}
$this->setClang($_clang);
$this->languages = $REX['CLANG'];
$this->tablePrefix = $REX['TABLE_PREFIX'];
$this->includePath = $REX['INCLUDE_PATH'];
$this->generatedPath = $REX['GENERATED_PATH'];
$this->documentRoot = realpath($_SERVER['DOCUMENT_ROOT']);
$this->mediaFolder = $REX['MEDIAFOLDER'];
$locale = 'de_de';
$langfile = new i18n($locale, $REX['INCLUDE_PATH'].'/addons/rexsearch/lang/');
$this->ellipsis = $langfile->Msg('a587_ellipsis');
// german stopwords
if($_useStopwords)
{
include $this->includePath.'/addons/rexsearch/lang/stopwords.inc.php';
$this->stopwords = $german_stopwords;
}
}
/**
* A function for retrieving the K?lner Phonetik value of a string
*
* As described at http://de.wikipedia.org/wiki/K?lner_Phonetik
* Based on Hans Joachim Postel: Die K?lner Phonetik.
* Ein Verfahren zur Identifizierung von Personennamen auf der
* Grundlage der Gestaltanalyse.
* in: IBM-Nachrichten, 19. Jahrgang, 1969, S. 925-931
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* @package phonetics
* @version 1.0
* @link http://www.einfachmarke.de
* @license GPL 3.0 <http://www.gnu.org/licenses/>
* @copyright 2008 by einfachmarke.de
* @author Nicolas Zimmer <nicolas dot zimmer at einfachmarke.de>
*/
function cologne_phone($_word)
{
/**
* @param string $_word string to be analyzed
* @return string $value represents the K?lner Phonetik value
* @access public
*/
//prepare for processing
$_word = strtolower($_word);
$substitution = array(
'?'=>'a',
'?'=>'o',
'?'=>'u',
'?'=>'ss',
'ph'=>'f'
);
foreach($substitution as $letter => $substitution)
$_word = str_replace($letter, $substitution, $_word);
$len = strlen($_word);
//Rule for exeptions
$exceptionsLeading = array(
4=>array('ca','ch','ck','cl','co','cq','cu','cx'),
8=>array('dc','ds','dz','tc','ts','tz')
);
$exceptionsFollowing = array('sc','zc','cx','kx','qx');
//Table for coding
$codingTable = array(
0 => array('a','e','i','j','o','u','y'),
1 => array('b','p'),
2 => array('d','t'),
3 => array('f','v','w'),
4 => array('c','g','k','q'),
48 => array('x'),
5 => array('l'),
6 => array('m','n'),
7 => array('r'),
8 => array('c','s','z')
);
for($i=0; $i < $len; $i++)
{
$value[$i] = '';
//Exceptions
if($i==0 AND $len > 1 AND $_word[$i].$_word[$i+1] == 'cr')
$value[$i] = 4;
if($i < ($len - 1))
{
foreach($exceptionsLeading as $code=>$letters)
{
if(in_array($_word[$i].$_word[$i+1],$letters))
$value[$i] = $code;
}
}
if($i AND in_array($_word[$i-1].$_word[$i], $exceptionsFollowing))
$value[$i] = 8;
//Normal encoding
if($value[$i] == '')
{
foreach($codingTable as $code => $letters)
{
if(in_array($_word[$i], $letters))
$value[$i] = $code;
}
}
}
//delete double values
$len=count($value);
for($i=1;$i<$len;$i++)
{
if($value[$i] == $value[$i-1])
$value[$i] = '';
}
//delete vocals
for ($i=1;$i>$len;$i++)
{
//omitting first characer code and h
if($value[$i] == 0)
$value[$i] = '';
}
$value = array_filter($value);
$value = implode('', $value);
return $value;
}
function doSearchArticles($_bool = false)
{
$this->searchArticles = $_bool;
$this->hashMe .= $_bool;
}
function doGroupBy($_bool = true)
{
$this->groupBy = $_bool;
$this->hashMe .= $_bool;
}
/**
*
*/
function setSearchInIDs($_searchInIDs, $_reset = false)
{
if($_reset)
$this->searchInIDs = array();
if(array_key_exists('articles',$_searchInIDs))
{
if(!array_key_exists('articles',$this->searchInIDs))
$this->searchInIDs['articles'] = array();
foreach($_searchInIDs['articles'] as $id)
{
if($id = intval($id))
{
$this->searchInIDs['articles'][] = $id;
$this->hashMe .= 'a'.$id;
}
}
}
if(array_key_exists('categories',$_searchInIDs))
{
if(!array_key_exists('categories',$this->searchInIDs))
$this->searchInIDs['categories'] = array();
foreach($_searchInIDs['categories'] as $id)
{
if($id = intval($id))
{
$this->searchInIDs['categories'][] = $id;
$this->hashMe .= 'c'.$id;
}
}
}
if(array_key_exists('filecategories',$_searchInIDs))
{
if(!array_key_exists('filecategories',$this->searchInIDs))
$this->searchInIDs['filecategories'] = array();
foreach($_searchInIDs['filecategories'] as $id)
{
if($id = intval($id))
{
$this->searchInIDs['filecategories'][] = $id;
$this->hashMe .= 'f'.$id;
}
}
}
if(array_key_exists('db_columns',$_searchInIDs))
{
if(!array_key_exists('db_columns',$this->searchInIDs))
$this->searchInIDs['db_columns'] = array();
foreach($_searchInIDs['db_columns'] as $table => $columnArray)
{
$this->hashMe .= $table;
$tmp = array();
foreach($columnArray as $column)
{
$tmp[] = $column;
$this->hashMe .= $column;
}
if(!array_key_exists($table,$this->searchInIDs['db_columns']))
$this->searchInIDs['db_columns'][$table] = $tmp;
else
$this->searchInIDs['db_columns'][$table] = array_merge($this->searchInIDs['db_columns'][$table],$tmp);
}
}
}
/**
* If utf8-encoding is used, the parameter will be appended with an "u".
* Since there is only UTF-8 supported, it always appends the "u".
*
* @param string $_regex
* @return string
*/
function encodeRegex($_regex)
{
return $_regex.'u';
}
/**
* Simulates the frontend by setting $REX['REDAXO'] to false.
* The original state is saved in $this->redaxo.
*/
function beginFrontendMode()
{
global $REX;
$this->redaxo = $REX['REDAXO'];
$REX['REDAXO'] = false;
}
/**
* Ends the frontend-mode by setting $REX['REDAXO'] to the original state.
*/
function endFrontendMode()
{
global $REX;
$REX['REDAXO'] = $this->redaxo;
}
/**
* Sets the maximum count of letters the teaser of a searched through text may have.
*
* @param int $_count
*/
function setMaxTeaserChars($_count)
{
$this->maxTeaserChars = intval($_count);
$this->hashMe .= $_count;
}
/**
* Sets the maximum count of letters around an found search term in the highlighted text.
* @param int $_count
*/
function setMaxHighlightedTextChars($_count)
{
$this->maxHighlightedTextChars = intval($_count);
$this->hashMe .= $_count;
}
/**
* Generates the full index at once.
*/
function generateIndex()
{
// delete old index
$delete = new rex_sql();
$delete->setTable($this->tablePrefix.'587_searchindex');
$delete->delete();
$delete2 = new rex_sql();
$delete2->setTable($this->tablePrefix.'587_searchcacheindex_ids');
$delete2->delete();
$delete3 = new rex_sql();
$delete3->setTable($this->tablePrefix.'587_searchcache');
$delete3->delete();
// index articles
$art_sql = new rex_sql();
$art_sql->setTable($this->tablePrefix.'article');
if($art_sql->select('id,clang'))
{
foreach($art_sql->getArray() as $art)
{
$this->indexArticle($art['id'], $art['clang']);
}
}
// index columns
foreach($this->includeColumns as $table => $columnArray)
{
foreach($columnArray as $column)
{
$this->indexColumn($table, $column);
}
}
// index mediapool
if($this->indexMediapool)
{
$mediaSQL = new rex_sql();
$mediaSQL->setTable($this->tablePrefix.'file');
if($mediaSQL->select('file_id, category_id, filename'))
{
foreach($mediaSQL->getArray() as $file)
{
$this->indexFile(str_replace('\\','/',substr($this->mediaFolder, strlen($this->documentRoot))).'/'.$file['filename'], false, false, $file['file_id'], $file['category_id']);
}
}
}
// index files
foreach($this->includeDirectories as $dir)
{
foreach(a587_getFiles($dir, $this->fileExtensions) as $filename)
{
$this->indexFile($filename);
}
}
}
/**
* Indexes a certain article.
*
* @param int $_id
* @param mixed $_clang
*
* @return int
*/
function indexArticle($_id,$_clang = false)
{
global $REX;
if($_clang === false)
$langs = $this->languages;
else
$langs = array(intval($_clang) => $this->languages[intval($_clang)]);
$return = array();
$keywords = array();
foreach($langs as $langID => $v)
{
if(in_array($_id, $this->excludeIDs))
{
$return[$v] = A587_ART_EXCLUDED;
continue;
}
$REX['CUR_CLANG'] = $langID;
$delete = new rex_sql();
$where = sprintf("ftable = '%s' AND fid = %d AND clang = %d", $delete->escape($this->tablePrefix.'article'), $_id, $langID);
// delete from cache
$select = new rex_sql();
$select->setTable($this->tablePrefix.'587_searchindex');
$select->setWhere($where);
$select->select('id');
$indexIds = array();
foreach($select->getArray() as $result)
$indexIds[] = $result['id'];
$this->deleteCache($indexIds);
// delete old
$delete->setTable($this->tablePrefix.'587_searchindex');
$delete->setWhere($where);
$delete->delete();
// index article
$article = OOArticle::getArticleById(intval($_id), $langID);
if(is_object($article) AND ($article->isOnline() OR $this->indexOffline))
{
$this->beginFrontendMode();
if(ini_get('allow_url_fopen') AND $this->indexViaHTTP)
{
$articleText = @file_get_contents('http://'.$_SERVER['HTTP_HOST'].substr($_SERVER['PHP_SELF'],0,strpos($_SERVER['PHP_SELF'],'/redaxo/')+1).rex_geturl($_id, $langID, '', '&'));
}
elseif ($_id != 0 AND $this->dontIndexRedirects)
{
$rex_article = new rex_article(intval($_id), $langID);
$article_content_file = $this->generatedPath.'/articles/'.$_id.'.'.$langID.'.content';
if(!file_exists($article_content_file))
{
include_once ($this->includePath."/functions/function_rex_generate.inc.php");
$generated = rex_generateArticleContent($_id, $langID);
if($generated !== true)
{
$return[$v] = A587_ART_IDNOTFOUND;
continue;
}
}
if(file_exists($article_content_file) AND preg_match($this->encodeRegex('~(header\s*\(\s*["\']\s*Location\s*:)|(rex_redirect\s*\()~is'), rex_get_file_contents($article_content_file)))
{
$return[$v] = A587_ART_REDIRECT;
continue;
}
if($this->indexWithTemplate)
$articleText = $rex_article->getArticleTemplate();
else
$articleText = $rex_article->getArticle();
if($this->ep_outputfilter)
{
$tmp = array(
'artid' => $REX['ARTICLE_ID'],
'clang' => $REX['CUR_CLANG']
);
$REX['ARTICLE_ID'] = $_id;
$REX['CUR_CLANG'] = $langID;
$articleText = rex_register_extension_point('OUTPUT_FILTER', $articleText, array('environment' => 'frontend','sendcharset' => false));
$REX['ARTICLE_ID'] = $tmp['artid'];
$REX['CUR_CLANG'] = $tmp['clang'];
}
}
$insert = new rex_sql();
$articleData = array();
$articleData['texttype'] = 'article';
$articleData['ftable'] = $this->tablePrefix.'article';
$articleData['fcolumn'] = NULL;
$articleData['clang'] = $article->getClang();
$articleData['fid'] = intval($_id);
$articleData['catid'] = $article->getCategoryId();
$articleData['unchangedtext'] = $insert->escape($articleText);
$articleData['plaintext'] = $insert->escape($plaintext = $this->getPlaintext($articleText));
if(array_key_exists($REX['TABLE_PREFIX'].'article', $this->includeColumns))
{
$additionalValues = array();
$select->flush();
$select->setTable($REX['TABLE_PREFIX'].'article');
$select->setWhere('id = '.$_id.' AND clang = '.$langID);
$select->select('`'.implode('`,`', $this->includeColumns[$REX['TABLE_PREFIX'].'article']).'`');
foreach($this->includeColumns[$REX['TABLE_PREFIX'].'article'] as $col)
{
$additionalValues[$col] = $select->getValue($col);
}
$articleData['values'] = $insert->escape(serialize($additionalValues));
}
foreach(preg_split($this->encodeRegex('~[[:punct:][:space:]]+~ism'), $plaintext) as $keyword)
{
if($this->significantCharacterCount <= mb_strlen($keyword,'UTF-8'))
$keywords[] = array('search'=>$keyword,'clang'=>$langID);
}
$articleData['teaser'] = $insert->escape($this->getTeaserText($plaintext));
$insert->setTable($this->tablePrefix.'587_searchindex');
$insert->setValues($articleData);
$insert->insert();
$this->endFrontendMode();
$return[$langID] = A587_ART_GENERATED;
}
}
$this->storeKeywords($keywords, false);
return $return;
}
/**
* Indexes a certain column.
* Returns the number of the indexed rows or false.
*
* @param string $_table
* @param mixed $_column
* @param mixed $_idcol
* @param mixed $_id
* @param mixed $_start
* @param mixed $_count
*
* @return mixed
*/
function indexColumn($_table, $_column, $_idcol = false, $_id = false, $_start = false, $_count = false, $_where = false)
{
$delete = new rex_sql();
$where = sprintf(" `ftable` = '%s' AND `fcolumn` = '%s' AND `texttype` = 'db_column'",$delete->escape($_table),$delete->escape($_column));
//if(is_string($_idcol) AND ($_id !== false))
//$where .= sprintf(' AND fid = %d',$_id);
// delete from cache
$select = new rex_sql();
$select->setTable($this->tablePrefix.'587_searchindex');
$select->setWhere($where);
$indexIds = array();
if($select->select('id'))
{
foreach($select->getArray() as $result)
$indexIds[] = $result['id'];
$this->deleteCache($indexIds);
}
// delete old data
if($_start === 0)
{
$delete->setTable($this->tablePrefix.'587_searchindex');
$delete->setWhere($where);
$delete->delete();
}
$sql = new rex_sql();
// get primary key column(s)
$primaryKeys = array();
foreach($sql->getArray("SHOW COLUMNS FROM `".$_table."` WHERE `KEY` = 'PRI'") as $col)
$primaryKeys[] = $col['Field'];
// index column
$sql->flush();
$sql->setTable($_table);
$where = '1 ';
if(is_string($_idcol) AND $_id)
$where .= sprintf(' AND (%s = %d)', $_idcol, $_id);
if(!empty($_where) AND is_string($_where))
$where .= ' AND ('.$_where.')';
if(is_numeric($_start) AND is_numeric($_count))
$where .= ' LIMIT '.$_start.','.$_count;
$sql->setWhere($where);
$count = false;
if($sql->select('*'))
{
$this->beginFrontendMode();
$count = 0;
$keywords = array();
foreach($sql->getArray() as $value)
{
if(!empty($value[$_column]) AND ($this->indexOffline OR $this->tablePrefix.'article' != $_table OR $value['status'] == '1') AND ($this->tablePrefix.'article' != $_table OR !in_array($value['id'],$this->excludeIDs)))
{
$insert = new rex_sql();
$indexData = array();
$indexData['texttype'] = 'db_column';
$indexData['ftable'] = $_table;
$indexData['fcolumn'] = $_column;
if(array_key_exists('clang',$value))
$indexData['clang'] = $value['clang'];
else
$indexData['clang'] = NULL;
$indexData['fid'] = NULL;
if(is_string($_idcol) AND array_key_exists($_idcol,$value))
{
$indexData['fid'] = $value[$_idcol];
}
elseif($_table == $this->tablePrefix.'article')
{
$indexData['fid'] = $value['id'];
}
elseif(count($primaryKeys) == 1)
{
$indexData['fid'] = $value[$primaryKeys[0]];
}
elseif(count($primaryKeys))
{
$fids = array();
foreach($primaryKeys as $pk)
$fids[$pk] = $value[$pk];
$indexData['fid'] = json_encode($fids);
}
if(is_null($indexData['fid']))
$indexData['fid'] = $this->getMinFID();
if(array_key_exists('re_id',$value))
{
$indexData['catid'] = $value['re_id'];
if($_table == $this->tablePrefix.'article')
$indexData['catid'] = intval($value['startpage']) ? $value['id'] : $value['re_id'];
}
elseif(array_key_exists('category_id',$value))
$indexData['catid'] = $value['category_id'];
else
$indexData['catid'] = NULL;
$additionalValues = array();
foreach($this->includeColumns[$_table] as $col)
{
$additionalValues[$col] = $value[$col];
}
$indexData['values'] = $insert->escape(serialize($additionalValues));
$indexData['unchangedtext'] = $insert->escape((string) $value[$_column]);
$indexData['plaintext'] = $insert->escape($plaintext = $this->getPlaintext($value[$_column]));
foreach(preg_split($this->encodeRegex('~[[:punct:][:space:]]+~ism'), $plaintext) as $keyword)
{
if($this->significantCharacterCount <= mb_strlen($keyword,'UTF-8'))
$keywords[] = array('search'=>$keyword,'clang'=>is_null($indexData['clang'])?false:$indexData['clang']);
}
$indexData['teaser'] = '';
if($this->tablePrefix.'article' == $_table)
{
$rex_article = new rex_article(intval($value['id']), intval($value['clang']));
$teaser = true;
$article_content_file = $this->generatedPath.'/articles/'.intval($value['id']).'.'.intval($value['clang']).'.content';
if(!file_exists($article_content_file))
{
include_once ($this->includePath."/functions/function_rex_generate.inc.php");
$generated = rex_generateArticleContent(intval($value['id']), intval($value['clang']));
if($generated !== true)
{
$teaser = false;
continue;
}
}
if(file_exists($article_content_file) AND preg_match($this->encodeRegex('~(header\s*\(\s*["\']\s*Location\s*:)|(rex_redirect\s*\()~is'), rex_get_file_contents($article_content_file)))
{
$teaser = false;
}
$indexData['teaser'] = $teaser ? $insert->escape($this->getTeaserText($this->getPlaintext($rex_article->getArticle()))) : '';
}
$insert->setTable($this->tablePrefix.'587_searchindex');
$insert->setValues($indexData);
$insert->insert();
$count++;
}
}
$this->storeKeywords($keywords, false);
$this->endFrontendMode();
}
else
{
return false;
}
return $count;
}
/**
* Indexes a certain file.
* Returns A587_FILE_GENERATED or an error code.
*
* @param string $_filename
* @param mixed $_clang
* @param mixed $_doPlaintext
* @param mixed $_articleData
*
* @return mixed
*/
function indexFile($_filename, $_doPlaintext = false, $_clang = false, $_fid = false, $_catid = false)
{
// extract file-extension
$filenameArray = explode('.', $_filename);
$fileext = $filenameArray[count($filenameArray) - 1];
// check file-extension
if((!in_array($fileext, $this->fileExtensions) AND !empty($this->fileExtensions)) AND !$this->indexUnknownFileExtensions AND !$this->indexMissingFileExtensions)
return A587_FILE_FORBIDDEN_EXTENSION;
// delete cache
$delete = new rex_sql();
$where = sprintf(" `filename` = '%s' AND `texttype` = 'file'", $delete->escape($_filename));
if(is_int($_clang))
$where .= sprintf(' AND clang = %d',$_clang);
if(is_int($_fid))
$where .= sprintf(' AND fid = %d',$_fid);
elseif(is_array($_fid))
$where .= sprintf(" AND fid = '%s'",$delete->escape(json_encode($_fid)));
if(is_int($_catid))
$where .= sprintf(' AND catid = %d',$_catid);
// delete from cache
$select = new rex_sql();
$select->setTable($this->tablePrefix.'587_searchindex');
$select->setWhere($where);
$indexIds = array();
if($select->select('id'))
{
foreach($select->getArray() as $result)
$indexIds[] = $result['id'];
$this->deleteCache($indexIds);
}
// delete old data
$delete->setTable($this->tablePrefix.'587_searchindex');
$delete->setWhere($where);
$delete->delete();
// index file
$text = '';
$plaintext = '';
switch($fileext)
{
// pdf-files
case 'pdf':
// try XPDF
$return = 0;
$xpdf = false;
$error = false;
if(function_exists('exec'))
{
$tempFile = tempnam($this->generatedPath.'/files/', 'rexsearch');
$encoding = 'UTF-8';
exec('pdftotext '.escapeshellarg($this->documentRoot.'/'.$_filename).' '.escapeshellarg($tempFile).' -enc '.$encoding, $dummy, $return);
if($return > 0)
{
if($return == 1)
$error = A587_FILE_XPDFERR_OPENSRC;
if($return == 2)
$error = A587_FILE_XPDFERR_OPENDEST;
if($return == 3)
$error = A587_FILE_XPDFERR_PERM;
if($return == 99)
$error = A587_FILE_XPDFERR_OTHER;
}
else
{
if(false === $text = @file_get_contents($tempFile))
$error = A587_FILE_NOEXIST;
else
$xpdf = true;
}
unlink($tempFile);
}
if(!$xpdf)
{
// if xpdf returned an error, try pdf2txt via php
if(false === $pdfContent = @file_get_contents($this->documentRoot.'/'.$_filename))
$error = A587_FILE_NOEXIST;
else
{
require_once 'class.pdf2txt.inc.php';
$text = pdf2txt::directConvert($pdfContent);
$error = false;
}
}
if($error !== false)
return $error;
elseif(trim($text) == '')
return A587_FILE_EMPTY;
$plaintext = $this->getPlaintext($text);
break;
// html- or php-file
case 'htm':
case 'html':
case 'php':
if(false === $text = @file_get_contents($this->documentRoot.'/'.$_filename))
return A587_FILE_NOEXIST;
$plaintext = $this->getPlaintext($text);
// other filetype
default:
if(false === $text = @file_get_contents($this->documentRoot.'/'.$_filename))
return A587_FILE_NOEXIST;