Your IP : 172.28.240.42
<?php
/*
+--------------------------------------------------------------------------
| Invision Power Services Kernel [DB Abstraction]
| Invision Power Board
| =============================================
| by Matthew Mecham
| (c) 2001 - 2006 Invision Power Services, Inc.
| Nullified by Terabyte
| =============================================
|
+---------------------------------------------------------------------------
| THIS IS NOT FREE / OPEN SOURCE SOFTWARE
+---------------------------------------------------------------------------
|
| > MySQLi Driver Module
| > Module written by Brandon Farber
| > Date started: Monday 28th February 2005 16:46
|
| > Module Version Number: 2.1.0
+--------------------------------------------------------------------------
*/
/**
* IPS Kernel Pages: Database Object Driver
*
* @package IPS_KERNEL
* @subpackage DatabaseAbstraction
* @author Brandon Farber
* @copyright Invision Power Services, Inc.
* @version 2.1
*/
/**
* Handle base class definitions
*
*/
if ( ! defined('KERNEL_PATH') )
{
define( 'KERNEL_PATH', dirname(__FILE__) . '/' );
}
if ( ! class_exists( 'db_main' ) )
{
require_once( KERNEL_PATH.'class_db.php' );
}
/**
* Allow < 4.3.0 PHP client access
*
*/
if ( ! defined('IPS_MAIN_DB_CLASS_LEGACY') )
{
define('IPS_MAIN_DB_CLASS_LEGACY', ( PHP_VERSION < '4.3.0' ) ? TRUE : FALSE );
}
/**
* DB Class: Driver Methods
*
* Base class for database abstraction
*
* @package IPS_KERNEL
* @subpackage DatabaseAbstraction
* @author Brandon Farber
* @version 2.1
*/
class db_driver_mysql extends db_main
{
var $connect_failed = 0;
/*-------------------------------------------------------------------------*/
// Set up required vars
/*-------------------------------------------------------------------------*/
function db_driver_mysql()
{
if( !defined('MYSQLI_USED') )
{
// Stewart instantiates 2 drivers for conversions
define( 'MYSQLI_USED', 1 );
}
//--------------------------
// Set up any required connect
// vars here:
// Will be populated by obj
// caller
//--------------------------
$this->connect_vars['mysql_tbl_type'] = "";
}
/*-------------------------------------------------------------------------*/
// Connect to the database
/*-------------------------------------------------------------------------*/
function connect()
{
//-----------------------------------------
// Done SQL prefix yet?
//-----------------------------------------
$this->_set_prefix();
//-----------------------------------------
// Load query file
//-----------------------------------------
$this->_load_cache_file();
//-----------------------------------------
// Connect
//-----------------------------------------
$this->connection_id = @mysqli_connect( $this->obj['sql_host'] ,
$this->obj['sql_user'] ,
$this->obj['sql_pass']
);
if ( ! $this->connection_id )
{
$this->connect_failed = 1;
$this->fatal_error();
return FALSE;
}
if ( ! mysqli_select_db( $this->connection_id, $this->obj['sql_database'] ) )
{
$this->fatal_error();
return FALSE;
}
mysqli_autocommit( $this->connection_id, TRUE );
return TRUE;
}
function sql_can_subquery()
{
$this->sql_get_version();
if ( $this->mysql_version >= 41000 )
{
return TRUE;
}
else
{
return FALSE;
}
}
/*-------------------------------------------------------------------------*/
// Quick function: DO UPDATE
/*-------------------------------------------------------------------------*/
function do_update( $tbl, $arr, $where="", $shutdown=FALSE )
{
//-----------------------------------------
// Form query
//-----------------------------------------
$dba = $this->compile_db_update_string( $arr );
$query = "UPDATE ".$this->obj['sql_tbl_prefix']."$tbl SET $dba";
if ( $where )
{
$query .= " WHERE ".$where;
}
//-----------------------------------------
// Shut down query?
//-----------------------------------------
$this->no_prefix_convert = 1;
if ( $shutdown )
{
if ( ! $this->obj['use_shutdown'] )
{
$this->is_shutdown = 1;
$return = $this->query( $query );
$this->no_prefix_convert = 0;
$this->is_shutdown = 1;
return $return;
}
else
{
$this->obj['shutdown_queries'][] = $query;
$this->no_prefix_convert = 0;
$this->cur_query = "";
}
}
else
{
$return = $this->query( $query );
$this->no_prefix_convert = 0;
return $return;
}
}
/*-------------------------------------------------------------------------*/
// Quick function: DO INSERT
/*-------------------------------------------------------------------------*/
function do_insert( $tbl, $arr, $shutdown=FALSE )
{
//-----------------------------------------
// Form query
//-----------------------------------------
$dba = $this->compile_db_insert_string( $arr );
$query = "INSERT INTO ".$this->obj['sql_tbl_prefix']."$tbl ({$dba['FIELD_NAMES']}) VALUES({$dba['FIELD_VALUES']})";
//-----------------------------------------
// Shut down query?
//-----------------------------------------
$this->no_prefix_convert = 1;
if ( $shutdown )
{
if ( ! $this->obj['use_shutdown'] )
{
$this->is_shutdown = 1;
$return = $this->query( $query );
$this->no_prefix_convert = 0;
$this->is_shutdown = 1;
return $return;
}
else
{
$this->obj['shutdown_queries'][] = $query;
$this->no_prefix_convert = 0;
$this->cur_query = "";
}
}
else
{
$return = $this->query( $query );
$this->no_prefix_convert = 0;
return $return;
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: UPDATE
/*-------------------------------------------------------------------------*/
function simple_update( $tbl, $set, $where='', $low_pro='' )
{
if ( $low_pro )
{
$low_pro = ' LOW_PRIORITY ';
}
$this->cur_query .= "UPDATE ". $low_pro . $this->obj['sql_tbl_prefix']."$tbl SET $set";
if ( $where )
{
$this->cur_query .= " WHERE $where";
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: DELETE
/*-------------------------------------------------------------------------*/
function simple_delete( $tbl, $where='' )
{
if( !$where )
{
$this->cur_query .= "TRUNCATE TABLE ".$this->obj['sql_tbl_prefix']."$tbl";
}
else
{
$this->cur_query .= "DELETE FROM ".$this->obj['sql_tbl_prefix']."$tbl WHERE $where";
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: ORDER
/*-------------------------------------------------------------------------*/
function simple_order( $a )
{
if ( $a )
{
$this->cur_query .= ' ORDER BY '.$a;
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: GROUP
/*-------------------------------------------------------------------------*/
function simple_group( $a )
{
if ( $a )
{
$this->cur_query .= ' GROUP BY '.$a;
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: LIMIT WITH CHECK
/*-------------------------------------------------------------------------*/
function simple_limit_with_check( $offset, $limit="" )
{
//-----------------------------------------
// INIT
//-----------------------------------------
$offset = intval( $offset );
$offset = ( $offset < 0 ) ? 0 : $offset;
$limit = intval( $limit );
#$limit = ( $limit < 0 ) ? 0 : $limit;
if ( ! preg_match( "#LIMIT\s+?\d+,#i", $this->cur_query ) )
{
$this->simple_limit( $offset, $limit );
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: LIMIT
/*-------------------------------------------------------------------------*/
function simple_limit( $offset, $limit="" )
{
//-----------------------------------------
// INIT
//-----------------------------------------
$offset = intval( $offset );
$offset = ( $offset < 0 ) ? 0 : $offset;
$limit = intval( $limit );
#$limit = ( $limit < 0 ) ? 0 : $limit;
if ( $limit )
{
$this->cur_query .= ' LIMIT '.$offset.','.$limit;
}
else
{
$this->cur_query .= ' LIMIT '.$offset;
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: SELECT
/*-------------------------------------------------------------------------*/
function simple_select( $get, $table, $where="" )
{
$this->cur_query .= "SELECT $get FROM ".$this->obj['sql_tbl_prefix']."$table";
if ( $where != "" )
{
$this->cur_query .= " WHERE ".$where;
}
}
/*-------------------------------------------------------------------------*/
// SIMPLE: SELECT WITH JOIN
/*-------------------------------------------------------------------------*/
function simple_select_with_join( $get, $table, $where="", $add_join=array() )
{
//-----------------------------------------
// OK, here we go...
//-----------------------------------------
$select_array = array();
$from_array = array();
$joinleft_array = array();
$where_array = array();
$final_from = array();
$select_array[] = $get;
$from_array[] = $table;
if ( $where )
{
$where_array[] = $where;
}
//-----------------------------------------
// Loop through JOINs and sort info
//-----------------------------------------
if ( is_array( $add_join ) and count( $add_join ) )
{
foreach( $add_join as $join )
{
# Push join's select to stack
if ( isset($join['select']) AND $join['select'] )
{
$select_array[] = $join['select'];
}
if ( $join['type'] == 'inner' )
{
# Join is inline
$from_array[] = $join['from'];
if ( $join['where'] )
{
$where_array[] = $join['where'];
}
}
else if ( $join['type'] == 'left' )
{
# Join is left
$tmp = " LEFT JOIN ";
foreach( $join['from'] as $tbl => $alias )
{
$tmp .= $this->obj['sql_tbl_prefix'].$tbl.' '.$alias;
}
if ( $join['where'] )
{
$tmp .= " ON ( ".$join['where']." ) ";
}
$joinleft_array[] = $tmp;
unset( $tmp );
}
else
{
# Not using any other type of join
}
}
}
//-----------------------------------------
// Build it..
//-----------------------------------------
foreach( $from_array as $i )
{
foreach( $i as $tbl => $alias )
{
$final_from[] = $this->obj['sql_tbl_prefix'].$tbl.' '.$alias;
}
}
$get = implode( "," , $select_array );
$table = implode( "," , $final_from );
$where = implode( " AND " , $where_array );
$join = implode( "\n" , $joinleft_array );
$this->cur_query .= "SELECT $get FROM $table";
if ( $join )
{
$this->cur_query .= " ".$join." ";
}
if ( $where != "" )
{
$this->cur_query .= " WHERE ".$where;
}
}
/*-------------------------------------------------------------------------*/
// Process a manual query
/*-------------------------------------------------------------------------*/
function query($the_query, $bypass=0)
{
//-----------------------------------------
// Change the table prefix if needed
//-----------------------------------------
if ( $this->no_prefix_convert )
{
$bypass = 1;
}
if ( ! $bypass )
{
if ( $this->obj['sql_tbl_prefix'] != "ibf_" and ! $this->prefix_changed )
{
$the_query = preg_replace("/\sibf_(\S+?)([\s\.,]|$)/", " ".$this->obj['sql_tbl_prefix']."\\1\\2", $the_query);
}
}
//-----------------------------------------
// Debug?
//-----------------------------------------
if ( $this->obj['debug'] OR ( $this->obj['use_debug_log'] AND $this->obj['debug_log'] ) )
{
global $Debug;
$Debug->startTimer();
}
//-----------------------------------------
// Stop sub selects? (UNION)
//-----------------------------------------
if ( ! IPS_DB_ALLOW_SUB_SELECTS )
{
# On the spot allowance?
if ( ! $this->allow_sub_select )
{
$_tmp = strtolower( $this->remove_all_quotes($the_query) );
if ( preg_match( "#(?:/\*|\*/)#i", $_tmp ) )
{
$this->fatal_error( "You are not allowed to use comments in your SQL query.\nAdd \$this->ipsclass->DB->allow_sub_select=1; before any query construct to allow them" );
return false;
}
if ( preg_match( "#[^_a-zA-Z]union[^_a-zA-Z]#s", $_tmp ) )
{
$this->fatal_error( "UNION query joins are not allowed.\nAdd \$this->ipsclass->DB->allow_sub_select=1; before any query construct to allow them" );
return false;
}
else if ( preg_match_all( "#[^_a-zA-Z](select)[^_a-zA-Z]#s", $_tmp, $matches ) )
{
if ( count( $matches ) > 1 )
{
$this->fatal_error( "SUB SELECT query joins are not allowed.\nAdd \$this->ipsclass->DB->allow_sub_select=1; before any query construct to allow them" );
return false;
}
}
}
}
//-----------------------------------------
// Run the query
//-----------------------------------------
$this->query_id = mysqli_query($this->connection_id, $the_query );
//-----------------------------------------
// Reset array...
//-----------------------------------------
$this->force_data_type = array();
$this->allow_sub_select = 0;
if (! $this->query_id )
{
$this->fatal_error("mySQL query error: $the_query");
}
//-----------------------------------------
// Debug?
//-----------------------------------------
if ( $this->obj['use_debug_log'] AND $this->obj['debug_log'] )
{
$endtime = $Debug->endTimer();
if ( preg_match( "/^(?:\()?select/i", $the_query ) )
{
$eid = mysqli_query($this->connection_id, "EXPLAIN $the_query");
while( $array = mysqli_fetch_array($eid) )
{
$_data .= "\n+------------------------------------------------------------------------------+";
$_data .= "\n|Table: ". $array['table'];
$_data .= "\n|Type: ". $array['type'];
$_data .= "\n|Possible Keys: ". $array['possible_keys'];
$_data .= "\n|Key: ". $array['key'];
$_data .= "\n|Key Len: ". $array['key_len'];
$_data .= "\n|Ref: ". $array['ref'];
$_data .= "\n|Rows: ". $array['rows'];
$_data .= "\n|Extra: ". $array['extra'];
$_data .= "\n+------------------------------------------------------------------------------+";
}
$this->write_debug_log( $the_query, $_data, $endtime );
}
else
{
$this->write_debug_log( $the_query, $_data, $endtime );
}
}
else if ($this->obj['debug'])
{
$endtime = $Debug->endTimer();
$shutdown = $this->is_shutdown ? 'SHUTDOWN QUERY: ' : '';
if ( preg_match( "/^(?:\()?select/i", $the_query ) )
{
$eid = mysqli_query( $this->connection_id, "EXPLAIN $the_query" );
$this->debug_html .= "<table width='95%' border='1' cellpadding='6' cellspacing='0' bgcolor='#FFE8F3' align='center'>
<tr>
<td colspan='8' style='font-size:14px' bgcolor='#FFC5Cb'><b>{$shutdown}Select Query</b></td>
</tr>
<tr>
<td colspan='8' style='font-family:courier, monaco, arial;font-size:14px;color:black'>$the_query</td>
</tr>
<tr bgcolor='#FFC5Cb'>
<td><b>table</b></td><td><b>type</b></td><td><b>possible_keys</b></td>
<td><b>key</b></td><td><b>key_len</b></td><td><b>ref</b></td>
<td><b>rows</b></td><td><b>Extra</b></td>
</tr>\n";
while( $array = mysqli_fetch_array($eid) )
{
$type_col = '#FFFFFF';
if ($array['type'] == 'ref' or $array['type'] == 'eq_ref' or $array['type'] == 'const')
{
$type_col = '#D8FFD4';
}
else if ($array['type'] == 'ALL')
{
$type_col = '#FFEEBA';
}
$this->debug_html .= "<tr bgcolor='#FFFFFF'>
<td>$array[table] </td>
<td bgcolor='$type_col'>$array[type] </td>
<td>$array[possible_keys] </td>
<td>$array[key] </td>
<td>$array[key_len] </td>
<td>$array[ref] </td>
<td>$array[rows] </td>
<td>$array[Extra] </td>
</tr>\n";
}
$this->sql_time += $endtime;
if ($endtime > 0.1)
{
$endtime = "<span style='color:red'><b>$endtime</b></span>";
}
$this->debug_html .= "<tr>
<td colspan='8' bgcolor='#FFD6DC' style='font-size:14px'><b>MySQL time</b>: $endtime</b></td>
</tr>
</table>\n<br />\n";
}
else
{
$this->debug_html .= "<table width='95%' border='1' cellpadding='6' cellspacing='0' bgcolor='#FEFEFE' align='center'>
<tr>
<td style='font-size:14px' bgcolor='#EFEFEF'><b>{$shutdown}Non Select Query</b></td>
</tr>
<tr>
<td style='font-family:courier, monaco, arial;font-size:14px'>$the_query</td>
</tr>
<tr>
<td style='font-size:14px' bgcolor='#EFEFEF'><b>MySQL time</b>: $endtime</span></td>
</tr>
</table><br />\n\n";
}
}
$this->query_count++;
$this->obj['cached_queries'][] = $the_query;
return $this->query_id;
}
/*-------------------------------------------------------------------------*/
// Fetch a row based on the last query
/*-------------------------------------------------------------------------*/
function fetch_row($query_id = "")
{
if ( !$query_id )
{
$query_id = $this->query_id;
}
$this->record_row = mysqli_fetch_array($query_id, MYSQLI_ASSOC);
return $this->record_row;
}
/*-------------------------------------------------------------------------*/
// DROP TABLE
/*-------------------------------------------------------------------------*/
function sql_drop_table( $table )
{
$this->query( "DROP TABLE if exists ".$this->obj['sql_tbl_prefix']."{$table}" );
}
/*-------------------------------------------------------------------------*/
// DROP FIELD
/*-------------------------------------------------------------------------*/
function sql_drop_field( $table, $field )
{
$this->query( "ALTER TABLE ".$this->obj['sql_tbl_prefix']."{$table} DROP $field" );
}
/*-------------------------------------------------------------------------*/
// ADD FIELD
/*-------------------------------------------------------------------------*/
function sql_add_field( $table, $field_name, $field_type, $field_default="''" )
{
$this->query( "ALTER TABLE ".$this->obj['sql_tbl_prefix']."{$table} ADD $field_name $field_type default {$field_default}" );
}
/*-------------------------------------------------------------------------*/
// CHANGE FIELD
/*-------------------------------------------------------------------------*/
function sql_change_field( $table, $original_field, $field_name, $field_type, $field_default="''" )
{
$this->query( "ALTER TABLE ".$this->obj['sql_tbl_prefix']."{$table} CHANGE $original_field $field_name $field_type default {$field_default}" );
}
/*-------------------------------------------------------------------------*/
// OPTIMIZE TABLE
/*-------------------------------------------------------------------------*/
function sql_optimize_table( $table )
{
$this->query( "OPTIMIZE TABLE ".$this->obj['sql_tbl_prefix']."{$table}" );
}
/*-------------------------------------------------------------------------*/
// ADD FULLTEXT INDEX
/*-------------------------------------------------------------------------*/
function sql_add_fulltext_index( $table, $field )
{
$this->query( "alter table ".$this->obj['sql_tbl_prefix']."{$table} ADD FULLTEXT({$field})" );
}
/*-------------------------------------------------------------------------*/
// GET TABLE SCHEMATIC
/*-------------------------------------------------------------------------*/
function sql_get_table_schematic( $table )
{
$qid = $this->query( "SHOW CREATE TABLE ".$this->obj['sql_tbl_prefix']."{$table}" );
if( $qid )
{
return $this->fetch_row($qid);
}
}
/*-------------------------------------------------------------------------*/
// IS ALREADY TABLE FULLTEXT?
/*-------------------------------------------------------------------------*/
function sql_is_currently_fulltext( $table )
{
$result = $this->sql_get_table_schematic( $table );
if ( preg_match( "/FULLTEXT KEY/i", $result['Create Table'] ) )
{
return TRUE;
}
else
{
return FALSE;
}
}
/*-------------------------------------------------------------------------*/
// Return the version number of the SQL server
// Should return 'true' version string (ie: 3.23.0)
// And formatted string (ie: 3230 )
/*-------------------------------------------------------------------------*/
function sql_get_version()
{
if ( ! $this->mysql_version and ! $this->true_version )
{
$version = mysqli_get_server_info($this->connection_id);
$this->true_version = $version;
$tmp = explode( '.', preg_replace( "#[^\d\.]#", "\\1", $version ) );
$this->mysql_version = sprintf('%d%02d%02d', $tmp[0], $tmp[1], $tmp[2] );
}
}
/*-------------------------------------------------------------------------*/
// sql_can_fulltext
// returns whether SQL engine has fulltext abilities
// returns TRUE or FALSE
/*-------------------------------------------------------------------------*/
function sql_can_fulltext()
{
$this->sql_get_version();
if ( $this->mysql_version >= 32323 AND strtolower($this->connect_vars['mysql_tbl_type']) == 'myisam' )
{
return TRUE;
}
else
{
return FALSE;
}
}
/*-------------------------------------------------------------------------*/
// sql_can_fulltext_boolean
// returns whether SQL engine has boolean fulltext abilities
// (+word -word, etc)
// returns TRUE or FALSE
/*-------------------------------------------------------------------------*/
function sql_can_fulltext_boolean()
{
$this->sql_get_version();
if ( $this->mysql_version >= 40010 AND strtolower($this->connect_vars['mysql_tbl_type']) == 'myisam' )
{
return TRUE;
}
else
{
return FALSE;
}
}
/*-------------------------------------------------------------------------*/
// Fetch the number of rows affected by the last query
/*-------------------------------------------------------------------------*/
function get_affected_rows()
{
return mysqli_affected_rows($this->connection_id);
}
/*-------------------------------------------------------------------------*/
// Fetch the number of rows in a result set
/*-------------------------------------------------------------------------*/
function get_num_rows( $query_id="" )
{
if ( ! $query_id )
{
$query_id = $this->query_id;
}
return mysqli_num_rows( $query_id );
}
/*-------------------------------------------------------------------------*/
// Fetch the last insert id from an sql autoincrement
/*-------------------------------------------------------------------------*/
function get_insert_id()
{
return mysqli_insert_id($this->connection_id);
}
/*-------------------------------------------------------------------------*/
// Free the result set from mySQLs memory
/*-------------------------------------------------------------------------*/
function free_result( $query_id="" )
{
if ( ! $query_id )
{
$query_id = $this->query_id;
}
@mysqli_free_result( $query_id );
}
/*-------------------------------------------------------------------------*/
// Shut down the database
/*-------------------------------------------------------------------------*/
function close_db()
{
if ( $this->connection_id )
{
return @mysqli_close( $this->connection_id );
}
}
/*-------------------------------------------------------------------------*/
// Return an array of tables
/*-------------------------------------------------------------------------*/
function get_table_names()
{
$tbl = $this->query( "SHOW TABLES FROM `{$this->obj['sql_database']}`" );
while( $result = mysqli_fetch_row($tbl) )
{
$tables[] = $result[0];
}
mysqli_free_result($tbl);
return $tables;
}
/*-------------------------------------------------------------------------*/
// Check if table exists
/*-------------------------------------------------------------------------*/
function table_exists( $table )
{
$table_names = $this->get_table_names();
$return = 0;
if ( in_array( SQL_PREFIX.$table, $table_names ) )
{
$return = 1;
}
unset($table_names);
return $return;
}
/*-------------------------------------------------------------------------*/
// Return an array of fields
/*-------------------------------------------------------------------------*/
function get_result_fields($query_id="")
{
$Fields = array();
if ( !$query_id )
{
$query_id = $this->query_id;
}
while ($field = mysqli_fetch_field($query_id))
{
$Fields[] = $field;
}
return $Fields;
}
/*-------------------------------------------------------------------------*/
// INTERNAL: Get error number
/*-------------------------------------------------------------------------*/
function _get_error_number()
{
if( $this->connect_failed )
{
return mysqli_connect_errno( );
}
else
{
return mysqli_errno( $this->connection_id );
}
}
/*-------------------------------------------------------------------------*/
// INTERNAL: Get error number
/*-------------------------------------------------------------------------*/
function _get_error_string()
{
if( $this->connect_failed )
{
return mysqli_connect_error( );
}
else
{
return mysqli_error( $this->connection_id );
}
}
/*-------------------------------------------------------------------------*/
// Use different escape method for different SQL engines
/*-------------------------------------------------------------------------*/
function add_slashes( $t )
{
return mysqli_real_escape_string( $this->connection_id, $t );
}
/*-------------------------------------------------------------------------*/
// Use different escape method for different SQL engines
/*-------------------------------------------------------------------------*/
function remove_slashes( $t )
{
# Not required for MySQL because we use the mysql_real_escape_string
/*if ( get_magic_quotes_gpc() )
{
$t = stripslashes($t);
}*/
return $t;
}
} // end class
?>