Файл: admin/sources/classes/search/engines/sphinx.php
Строк: 352
<?php
/**
* <pre>
* Invision Power Services
* IP.Board v3.3.3
* Global Search
* Last Updated: $Date: 2012-05-29 07:07:32 -0400 (Tue, 29 May 2012) $
* </pre>
*
* @author $Author: mmecham $
* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
* @license http://www.invisionpower.com/company/standards.php#license
* @package IP.Board
* @subpackage Core
* @link http://www.invisionpower.com
* @version $Rev: 10805 $
*/
if ( ! defined( 'IN_IPB' ) )
{
print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded all the relevant files.";
exit();
}
class search_engine
{
/**
* Date range restriction start
*
* @access protected
* @var integer
*/
protected $search_begin_timestamp = 0;
/**
* Date range restriction end
*
* @access protected
* @var integer
*/
protected $search_end_timestamp = 0;
/**
* Array of conditions for this search
*
* @access protected
* @var array
*/
protected $whereConditions = array();
/**
* Sphinx client object
*
* @access public
* @var object
*/
public $sphinxClient;
/**
* Setup registry objects
*
* @access public
* @param object ipsRegistry $registry
* @return @e void
*/
public function __construct( ipsRegistry $registry )
{
/* Make object */
$this->registry = $registry;
$this->DB = $this->registry->DB();
$this->settings =& $this->registry->fetchSettings();
$this->request =& $this->registry->fetchRequest();
$this->lang = $this->registry->getClass('class_localization');
$this->member = $this->registry->member();
$this->memberData =& $this->registry->member()->fetchMemberData();
$this->cache = $this->registry->cache();
$this->caches =& $this->registry->cache()->fetchCaches();
/* Do we have the sphinxes? */
if( ! is_file( 'sphinxapi.php' ) )
{
$registry->output->showError( 'sphinx_api_missing', 10182 );
}
/* Load Sphinx */
require_once( DOC_IPS_ROOT_PATH . 'sphinxapi.php' );/*noLibHook*/
$this->sphinxClient = new SphinxClient();
$this->sphinxClient->SetServer( $this->settings['search_sphinx_server'], intval( $this->settings['search_sphinx_port'] ) );
$this->sphinxClient->SetMatchMode( SPH_MATCH_EXTENDED );
$this->sphinxClient->SetLimits( 0, 1000 );
}
/**
* Perform a search.
* Returns an array of a total count (total number of matches)
* and an array of IDs matching the required number based on pagination. The ids returned would be based on the filters and type of search
*
* So if we had 1000 replies, and we are on page 2 of 25 per page, we'd return 25 items offset by 25
*
* @access public
* @return array
*/
public function search()
{
/* Per app class handles this */
throw new Exception("NO_SEARCH_AVAILABLE");
}
/**
* Perform the viewNewContent search
* Generic version
* Populates $this->_count and $this->_results
*
* @access public
* @return nothin'
*/
public function viewNewContent()
{
$app = IPSSearchRegistry::get('in.search_app');
$seconds = IPSSearchRegistry::get('in.period_in_seconds');
IPSSearchRegistry::set('in.search_sort_by' , 'date' );
IPSSearchRegistry::set('in.search_sort_order', 'desc' );
/* Set time stamp */
$this->setDateRange( intval( time() - $seconds ), time() );
/* Force title search only */
IPSSearchRegistry::set('opt.searchTitleOnly', true);
return $this->search();
}
/**
* Perform the search
* Populates $this->_count and $this->_results
*
* @access public
* @return nothin'
*/
public function viewUserContent( $member )
{
$app = IPSSearchRegistry::get('in.search_app');
IPSSearchRegistry::set('in.search_sort_by' , 'date' );
IPSSearchRegistry::set('in.search_sort_order', 'desc' );
IPSSearchRegistry::set('opt.searchTitleOnly', IPSSearchRegistry::get('in.view_by_title') );
IPSSearchRegistry::set('opt.noPostPreview' , IPSSearchRegistry::get('in.view_by_title') );
/* Set the member_id */
$this->setCondition( 'member_id', '=', $member['member_id'] );
/* Cut by date for efficiency? */
if ( $this->settings['search_ucontent_days'] )
{
$begin = ( $member['last_post'] ? $member['last_post'] : time() ) - 86400 * intval( $this->settings['search_ucontent_days'] );
$this->setDateRange( $begin, time() );
}
return $this->search();
}
/**
* Can handle boolean searching
*
* @access public
* @return boolean
*/
public function isBoolean()
{
return TRUE;
}
/**
* Formats search term for SQL
*
* @access private
* @param string Raw IPB santized form input
* @return array array( 'search_term' => Safe string to use in SQL, 'removed' => array of removed search terms )
*/
public function formatSearchTerm( $search_term )
{
$isBoolean = $this->isBoolean();
$andor = isset( $this->request['andor_type'] ) ? $this->request['andor_type'] : $this->settings['s_andor_type'];
$removedTerms = array();
/* Fix up some sanitized HTML */
$search_term = str_replace( "&" , '&' , IPSText::parseCleanValue( rawurldecode( $search_term ) ) );
$search_term = str_replace( """ , '"' , $search_term );
$search_term = IPSText::mbstrtolower( $search_term );
/* Check for disallowed search terms */
while( preg_match_all( '/(?:^|s+)(img|quote|code|html|javascript|a href|color|span|div|border|style)(?:s+|$)/', $search_term, $removed_search_terms ) )
{
$removedTerms[] = $removed_search_terms[0][0];
$search_term = preg_replace( '/(^|s+)(?:img|quote|code|html|javascript|a href|color|span|div|border|style)(s+|$)/', str_replace( " ", " ", "$1$2" ), $search_term );
}
/* remove < min char words */
if ( substr_count( $search_term, '"' ) != 2 )
{
$_words = explode( ' ', $search_term );
$search_term = '';
foreach( $_words as $_w )
{
if ( IPSText::mbstrlen( $_w ) >= $this->settings['min_search_word'] )
{
$search_term .= $_w . ' ';
}
else
{
$removedTerms[] = $_w;
}
}
}
/* Remove some formatting */
//$search_term = str_replace( array( '|', '\', '/' ), '', $search_term );
// | is an OR operator for sphinx - don't want to block globally
if ( $search_term )
{
$search_term = str_replace( array( '\', '/' ), '', trim( $search_term ) );
/* Sphinx chars are not allowed */
$search_term = str_replace( array( '.', ')', '(', '!', '@', '[', ']', '~', '^' ), '', $search_term );
$search_term = preg_replace('#(?!s)-#', '1‐', $search_term );
if ( $andor == 'and' AND ! ( substr_count( $search_term, '"' ) == 2 ) )
{
$search_term = '+' . preg_replace( '/s+(?!-|~)/', " +", $search_term );
}
}
return array( 'search_term' => $search_term, 'removed' => $removedTerms );
}
/**
* Restrict the date range that the search is performed on
*
* @access public
* @param int $begin Start timestamp
* @param int [$end] End timestamp
* @return @e void
*/
public function setDateRange( $begin, $end=0 )
{
$begin = ( $begin < 1000000000 ) ? 1000000000 : $begin;
$this->search_begin_timestamp = $begin;
$this->search_end_timestamp = $end;
}
/**
* Remap standard columns (Apps can override )
*
* @access public
* @param string $column sql table column for this condition
* @return string column
* @return @e void
*/
public function remapColumn( $column )
{
return $column;
}
/**
* mySQL function for adding special search conditions
*
* @access public
* @param string $column sql table column for this condition
* @param string $operator Operation to perform for this condition, ex: =, <>, IN, NOT IN
* @param mixed $value Value to check with
* @param string $comp Comparison type
* @return @e void
*/
public function setCondition( $column, $operator, $value, $comp='AND' )
{
/* This is restricted by the indexes searched */
if( $column == 'app' )
{
return;
}
$column = $this->remapColumn( $column );
if( !$column )
{
return;
}
/* Build the condition based on operator */
switch( strtoupper( $operator ) )
{
case 'IN':
$this->sphinxClient->setFilter( $column, explode( ',', $value ) );
break;
case 'NOT IN':
$this->sphinxClient->setFilter( $column, explode( ',', $value ), TRUE );
break;
case '=':
$this->sphinxClient->setFilter( $column, array( $value ) );
break;
case '!=':
case '<>':
$this->sphinxClient->setFilter( $column, array( $value ), TRUE );
break;
default:
echo "<b>Unhandled sphinx search operator: {$operator}</b><br />";
break;
}
}
/**
* Allows you to specify multiple conditions that are chained together
*
* @access public
* @param array $conditions Array of conditions, each element has 3 keys: column, operator, value, see the setCondition function for information on each
* @param string $inner_comp Comparison operator to use inside the chain
* @param string $outer_comp Comparison operator to use outside the chain
* @return @e void
*/
public function setMultiConditions( $conditions, $inner_comp='OR', $outer_comp='AND' )
{
/* Loop through the conditions to build the statement */
return;
}
/**
* Checks and logs any errors
*
* @access public
* @return @e void
*/
public function logSphinxWarnings()
{
$error = $this->sphinxClient->GetLastError();
$warning = $this->sphinxClient->GetLastWarning();
if ( $error )
{
IPSDebug::addLogMessage( "Sphinx Error: $error", 'sphinx_error_' . date('m_d_y'), $error, TRUE );
}
if ( $warning )
{
IPSDebug::addLogMessage( "Sphinx Warning: $warning", 'sphinx_warning_' . date('m_d_y'), $warning, TRUE );
}
}
}