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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* holds the PMA_List_Database class
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* the list base class
*/
require_once './libraries/List.class.php';
require_once './libraries/check_user_privileges.lib.php';
/**
* handles database lists
*
* <code>
* $PMA_List_Database = new PMA_List_Database($userlink);
* </code>
*
* @todo this object should be attached to the PMA_Server object
*
* @package PhpMyAdmin
* @since phpMyAdmin 2.9.10
*/
class PMA_List_Database extends PMA_List
{
/**
* @var mixed database link resource|object to be used
* @access protected
*/
protected $db_link = null;
/**
* @var mixed user database link resource|object
* @access protected
*/
protected $db_link_user = null;
/**
* Constructor
*
* @param mixed $db_link_user user database link resource|object
*/
public function __construct($db_link_user = null)
{
$this->db_link = $db_link_user;
$this->db_link_user = $db_link_user;
parent::__construct();
$this->build();
}
/**
* checks if the configuration wants to hide some databases
*
* @return void
*/
protected function checkHideDatabase()
{
if (empty($GLOBALS['cfg']['Server']['hide_db'])) {
return;
}
foreach ($this->getArrayCopy() as $key => $db) {
if (preg_match('/' . $GLOBALS['cfg']['Server']['hide_db'] . '/', $db)) {
$this->offsetUnset($key);
}
}
}
/**
* retrieves database list from server
*
* @param string $like_db_name usually a db_name containing wildcards
*
* @return array
*/
protected function retrieve($like_db_name = null)
{
$database_list = array();
$command = "";
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$command .= "SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`";
if (null !== $like_db_name) {
$command .= " WHERE `SCHEMA_NAME` LIKE '" . $like_db_name . "'";
}
} else {
if ($GLOBALS['dbs_to_test'] === false || null !== $like_db_name) {
$command .= "SHOW DATABASES";
if (null !== $like_db_name) {
$command .= " LIKE '" . $like_db_name . "'";
}
} else {
foreach ($GLOBALS['dbs_to_test'] as $db) {
$database_list = array_merge(
$database_list, $this->retrieve($db)
);
}
}
}
if ($command) {
$database_list = $GLOBALS['dbi']->fetchResult(
$command, null, null, $this->db_link
);
}
if ($GLOBALS['cfg']['NaturalOrder']) {
natsort($database_list);
} else {
// need to sort anyway, otherwise information_schema
// goes at the top
sort($database_list);
}
return $database_list;
}
/**
* builds up the list
*
* @return void
*/
public function build()
{
if (! $this->checkOnlyDatabase()) {
$items = $this->retrieve();
$this->exchangeArray($items);
}
$this->checkHideDatabase();
}
/**
* checks the only_db configuration
*
* @return boolean false if there is no only_db, otherwise true
*/
protected function checkOnlyDatabase()
{
if (is_string($GLOBALS['cfg']['Server']['only_db'])
&& /*overload*/mb_strlen($GLOBALS['cfg']['Server']['only_db'])
) {
$GLOBALS['cfg']['Server']['only_db'] = array(
$GLOBALS['cfg']['Server']['only_db']
);
}
if (! is_array($GLOBALS['cfg']['Server']['only_db'])) {
return false;
}
$items = array();
foreach ($GLOBALS['cfg']['Server']['only_db'] as $each_only_db) {
// check if the db name contains wildcard,
// thus containing not escaped _ or %
if (! preg_match('/(^|[^\\\\])(_|%)/', $each_only_db)) {
// ... not contains wildcard
$items[] = PMA_Util::unescapeMysqlWildcards($each_only_db);
continue;
}
$items = array_merge($items, $this->retrieve($each_only_db));
}
$this->exchangeArray($items);
return true;
}
/**
* returns default item
*
* @return string default item
*/
public function getDefault()
{
if (/*overload*/mb_strlen($GLOBALS['db'])) {
return $GLOBALS['db'];
}
return $this->getEmpty();
}
}
?>
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