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<?php
/**
* Functionality for the navigation tree
*/
declare(strict_types=1);
namespace PhpMyAdmin\Navigation\Nodes;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Url;
use PhpMyAdmin\Util;
use function __;
use function in_array;
use function intval;
use function substr;
/**
* Represents a database node in the navigation tree
*/
class NodeDatabase extends Node
{
/**
* The number of hidden items in this database
*
* @var int
*/
protected $hiddenCount = 0;
/**
* Initialises the class
*
* @param string $name An identifier for the new node
* @param int $type Type of node, may be one of CONTAINER or OBJECT
* @param bool $isGroup Whether this object has been created
* while grouping nodes
*/
public function __construct($name, $type = Node::OBJECT, $isGroup = false)
{
parent::__construct($name, $type, $isGroup);
$this->icon = ['image' => 's_db', 'title' => __('Database operations')];
$this->links = [
'text' => [
'route' => Util::getUrlForOption($GLOBALS['cfg']['DefaultTabDatabase'], 'database'),
'params' => ['db' => null],
],
'icon' => ['route' => '/database/operations', 'params' => ['db' => null]],
'title' => __('Structure'),
];
$this->classes = 'database';
$this->urlParamName = 'db';
}
/**
* Returns the number of children of type $type present inside this container
* This method is overridden by the PhpMyAdmin\Navigation\Nodes\NodeDatabase
* and PhpMyAdmin\Navigation\Nodes\NodeTable classes
*
* @param string $type The type of item we are looking for
* ('tables', 'views', etc)
* @param string $searchClause A string used to filter the results of
* the query
* @param bool $singleItem Whether to get presence of a single known
* item or false in none
*
* @return int
*/
public function getPresence($type = '', $searchClause = '', $singleItem = false)
{
$retval = 0;
switch ($type) {
case 'tables':
$retval = $this->getTableCount($searchClause, $singleItem);
break;
case 'views':
$retval = $this->getViewCount($searchClause, $singleItem);
break;
case 'procedures':
$retval = $this->getProcedureCount($searchClause, $singleItem);
break;
case 'functions':
$retval = $this->getFunctionCount($searchClause, $singleItem);
break;
case 'events':
$retval = $this->getEventCount($searchClause, $singleItem);
break;
default:
break;
}
return $retval;
}
/**
* Returns the number of tables or views present inside this database
*
* @param string $which tables|views
* @param string $searchClause A string used to filter the results of
* the query
* @param bool $singleItem Whether to get presence of a single known
* item or false in none
*
* @return int
*/
private function getTableOrViewCount($which, $searchClause, $singleItem)
{
global $dbi;
$db = $this->realName;
if ($which === 'tables') {
$condition = 'IN';
} else {
$condition = 'NOT IN';
}
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$db = $dbi->escapeString($db);
$query = 'SELECT COUNT(*) ';
$query .= 'FROM `INFORMATION_SCHEMA`.`TABLES` ';
$query .= "WHERE `TABLE_SCHEMA`='" . $db . "' ";
$query .= 'AND `TABLE_TYPE` ' . $condition . "('BASE TABLE', 'SYSTEM VERSIONED') ";
if (! empty($searchClause)) {
$query .= 'AND ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'TABLE_NAME');
}
$retval = (int) $dbi->fetchValue($query);
} else {
$query = 'SHOW FULL TABLES FROM ';
$query .= Util::backquote($db);
$query .= ' WHERE `Table_type` ' . $condition . "('BASE TABLE', 'SYSTEM VERSIONED') ";
if (! empty($searchClause)) {
$query .= 'AND ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'Tables_in_' . $db);
}
$retval = $dbi->queryAndGetNumRows($query);
}
return $retval;
}
/**
* Returns the number of tables present inside this database
*
* @param string $searchClause A string used to filter the results of
* the query
* @param bool $singleItem Whether to get presence of a single known
* item or false in none
*
* @return int
*/
private function getTableCount($searchClause, $singleItem)
{
return $this->getTableOrViewCount('tables', $searchClause, $singleItem);
}
/**
* Returns the number of views present inside this database
*
* @param string $searchClause A string used to filter the results of
* the query
* @param bool $singleItem Whether to get presence of a single known
* item or false in none
*
* @return int
*/
private function getViewCount($searchClause, $singleItem)
{
return $this->getTableOrViewCount('views', $searchClause, $singleItem);
}
/**
* Returns the number of procedures present inside this database
*
* @param string $searchClause A string used to filter the results of
* the query
* @param bool $singleItem Whether to get presence of a single known
* item or false in none
*
* @return int
*/
private function getProcedureCount($searchClause, $singleItem)
{
global $dbi;
$db = $this->realName;
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$db = $dbi->escapeString($db);
$query = 'SELECT COUNT(*) ';
$query .= 'FROM `INFORMATION_SCHEMA`.`ROUTINES` ';
$query .= 'WHERE `ROUTINE_SCHEMA` '
. Util::getCollateForIS() . "='" . $db . "'";
$query .= "AND `ROUTINE_TYPE`='PROCEDURE' ";
if (! empty($searchClause)) {
$query .= 'AND ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'ROUTINE_NAME');
}
$retval = (int) $dbi->fetchValue($query);
} else {
$db = $dbi->escapeString($db);
$query = "SHOW PROCEDURE STATUS WHERE `Db`='" . $db . "' ";
if (! empty($searchClause)) {
$query .= 'AND ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'Name');
}
$retval = $dbi->queryAndGetNumRows($query);
}
return $retval;
}
/**
* Returns the number of functions present inside this database
*
* @param string $searchClause A string used to filter the results of
* the query
* @param bool $singleItem Whether to get presence of a single known
* item or false in none
*
* @return int
*/
private function getFunctionCount($searchClause, $singleItem)
{
global $dbi;
$db = $this->realName;
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$db = $dbi->escapeString($db);
$query = 'SELECT COUNT(*) ';
$query .= 'FROM `INFORMATION_SCHEMA`.`ROUTINES` ';
$query .= 'WHERE `ROUTINE_SCHEMA` '
. Util::getCollateForIS() . "='" . $db . "' ";
$query .= "AND `ROUTINE_TYPE`='FUNCTION' ";
if (! empty($searchClause)) {
$query .= 'AND ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'ROUTINE_NAME');
}
$retval = (int) $dbi->fetchValue($query);
} else {
$db = $dbi->escapeString($db);
$query = "SHOW FUNCTION STATUS WHERE `Db`='" . $db . "' ";
if (! empty($searchClause)) {
$query .= 'AND ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'Name');
}
$retval = $dbi->queryAndGetNumRows($query);
}
return $retval;
}
/**
* Returns the number of events present inside this database
*
* @param string $searchClause A string used to filter the results of
* the query
* @param bool $singleItem Whether to get presence of a single known
* item or false in none
*
* @return int
*/
private function getEventCount($searchClause, $singleItem)
{
global $dbi;
$db = $this->realName;
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$db = $dbi->escapeString($db);
$query = 'SELECT COUNT(*) ';
$query .= 'FROM `INFORMATION_SCHEMA`.`EVENTS` ';
$query .= 'WHERE `EVENT_SCHEMA` '
. Util::getCollateForIS() . "='" . $db . "' ";
if (! empty($searchClause)) {
$query .= 'AND ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'EVENT_NAME');
}
$retval = (int) $dbi->fetchValue($query);
} else {
$db = Util::backquote($db);
$query = 'SHOW EVENTS FROM ' . $db . ' ';
if (! empty($searchClause)) {
$query .= 'WHERE ' . $this->getWhereClauseForSearch($searchClause, $singleItem, 'Name');
}
$retval = $dbi->queryAndGetNumRows($query);
}
return $retval;
}
/**
* Returns the WHERE clause for searching inside a database
*
* @param string $searchClause A string used to filter the results of the query
* @param bool $singleItem Whether to get presence of a single known item
* @param string $columnName Name of the column in the result set to match
*
* @return string WHERE clause for searching
*/
private function getWhereClauseForSearch(
$searchClause,
$singleItem,
$columnName
) {
global $dbi;
$query = '';
if ($singleItem) {
$query .= Util::backquote($columnName) . ' = ';
$query .= "'" . $dbi->escapeString($searchClause) . "'";
} else {
$query .= Util::backquote($columnName) . ' LIKE ';
$query .= "'%" . $dbi->escapeString($searchClause)
. "%'";
}
return $query;
}
/**
* Returns the names of children of type $type present inside this container
* This method is overridden by the PhpMyAdmin\Navigation\Nodes\NodeDatabase
* and PhpMyAdmin\Navigation\Nodes\NodeTable classes
*
* @param string $type The type of item we are looking for
* ('tables', 'views', etc)
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
public function getData($type, $pos, $searchClause = '')
{
$pos = (int) $pos;
$retval = [];
switch ($type) {
case 'tables':
$retval = $this->getTables($pos, $searchClause);
break;
case 'views':
$retval = $this->getViews($pos, $searchClause);
break;
case 'procedures':
$retval = $this->getProcedures($pos, $searchClause);
break;
case 'functions':
$retval = $this->getFunctions($pos, $searchClause);
break;
case 'events':
$retval = $this->getEvents($pos, $searchClause);
break;
default:
break;
}
// Remove hidden items so that they are not displayed in navigation tree
$relationParameters = $this->relation->getRelationParameters();
if ($relationParameters->navigationItemsHidingFeature !== null) {
$hiddenItems = $this->getHiddenItems(substr($type, 0, -1));
foreach ($retval as $key => $item) {
if (! in_array($item, $hiddenItems)) {
continue;
}
unset($retval[$key]);
}
}
return $retval;
}
/**
* Return list of hidden items of given type
*
* @param string $type The type of items we are looking for
* ('table', 'function', 'group', etc.)
*
* @return array Array containing hidden items of given type
*/
public function getHiddenItems($type)
{
global $dbi;
$db = $this->realName;
$relationParameters = $this->relation->getRelationParameters();
if ($relationParameters->navigationItemsHidingFeature === null || $relationParameters->user === null) {
return [];
}
$navTable = Util::backquote($relationParameters->navigationItemsHidingFeature->database)
. '.' . Util::backquote($relationParameters->navigationItemsHidingFeature->navigationHiding);
$sqlQuery = 'SELECT `item_name` FROM ' . $navTable
. " WHERE `username`='" . $relationParameters->user . "'"
. " AND `item_type`='" . $type
. "' AND `db_name`='" . $dbi->escapeString($db)
. "'";
$result = $dbi->tryQueryAsControlUser($sqlQuery);
if ($result) {
return $result->fetchAllColumn();
}
return [];
}
/**
* Returns the list of tables or views inside this database
*
* @param string $which tables|views
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
private function getTablesOrViews($which, int $pos, $searchClause)
{
global $dbi;
if ($which === 'tables') {
$condition = 'IN';
} else {
$condition = 'NOT IN';
}
$maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
$retval = [];
$db = $this->realName;
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$escdDb = $dbi->escapeString($db);
$query = 'SELECT `TABLE_NAME` AS `name` ';
$query .= 'FROM `INFORMATION_SCHEMA`.`TABLES` ';
$query .= "WHERE `TABLE_SCHEMA`='" . $escdDb . "' ";
$query .= 'AND `TABLE_TYPE` ' . $condition . "('BASE TABLE', 'SYSTEM VERSIONED') ";
if (! empty($searchClause)) {
$query .= "AND `TABLE_NAME` LIKE '%";
$query .= $dbi->escapeString($searchClause);
$query .= "%'";
}
$query .= 'ORDER BY `TABLE_NAME` ASC ';
$query .= 'LIMIT ' . $pos . ', ' . $maxItems;
$retval = $dbi->fetchResult($query);
} else {
$query = ' SHOW FULL TABLES FROM ';
$query .= Util::backquote($db);
$query .= ' WHERE `Table_type` ' . $condition . "('BASE TABLE', 'SYSTEM VERSIONED') ";
if (! empty($searchClause)) {
$query .= 'AND ' . Util::backquote('Tables_in_' . $db);
$query .= " LIKE '%" . $dbi->escapeString($searchClause);
$query .= "%'";
}
$handle = $dbi->tryQuery($query);
if ($handle !== false) {
$count = 0;
if ($handle->seek($pos)) {
while ($arr = $handle->fetchRow()) {
if ($count >= $maxItems) {
break;
}
$retval[] = $arr[0];
$count++;
}
}
}
}
return $retval;
}
/**
* Returns the list of tables inside this database
*
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
private function getTables(int $pos, $searchClause)
{
return $this->getTablesOrViews('tables', $pos, $searchClause);
}
/**
* Returns the list of views inside this database
*
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
private function getViews(int $pos, $searchClause)
{
return $this->getTablesOrViews('views', $pos, $searchClause);
}
/**
* Returns the list of procedures or functions inside this database
*
* @param string $routineType PROCEDURE|FUNCTION
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
private function getRoutines($routineType, $pos, $searchClause)
{
global $dbi;
$maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
$retval = [];
$db = $this->realName;
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$escdDb = $dbi->escapeString($db);
$query = 'SELECT `ROUTINE_NAME` AS `name` ';
$query .= 'FROM `INFORMATION_SCHEMA`.`ROUTINES` ';
$query .= 'WHERE `ROUTINE_SCHEMA` '
. Util::getCollateForIS() . "='" . $escdDb . "'";
$query .= "AND `ROUTINE_TYPE`='" . $routineType . "' ";
if (! empty($searchClause)) {
$query .= "AND `ROUTINE_NAME` LIKE '%";
$query .= $dbi->escapeString($searchClause);
$query .= "%'";
}
$query .= 'ORDER BY `ROUTINE_NAME` ASC ';
$query .= 'LIMIT ' . intval($pos) . ', ' . $maxItems;
$retval = $dbi->fetchResult($query);
} else {
$escdDb = $dbi->escapeString($db);
$query = 'SHOW ' . $routineType . " STATUS WHERE `Db`='" . $escdDb . "' ";
if (! empty($searchClause)) {
$query .= "AND `Name` LIKE '%";
$query .= $dbi->escapeString($searchClause);
$query .= "%'";
}
$handle = $dbi->tryQuery($query);
if ($handle !== false) {
$count = 0;
if ($handle->seek($pos)) {
while ($arr = $handle->fetchAssoc()) {
if ($count >= $maxItems) {
break;
}
$retval[] = $arr['Name'];
$count++;
}
}
}
}
return $retval;
}
/**
* Returns the list of procedures inside this database
*
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
private function getProcedures($pos, $searchClause)
{
return $this->getRoutines('PROCEDURE', $pos, $searchClause);
}
/**
* Returns the list of functions inside this database
*
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
private function getFunctions($pos, $searchClause)
{
return $this->getRoutines('FUNCTION', $pos, $searchClause);
}
/**
* Returns the list of events inside this database
*
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
private function getEvents($pos, $searchClause)
{
global $dbi;
$maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
$retval = [];
$db = $this->realName;
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
$escdDb = $dbi->escapeString($db);
$query = 'SELECT `EVENT_NAME` AS `name` ';
$query .= 'FROM `INFORMATION_SCHEMA`.`EVENTS` ';
$query .= 'WHERE `EVENT_SCHEMA` '
. Util::getCollateForIS() . "='" . $escdDb . "' ";
if (! empty($searchClause)) {
$query .= "AND `EVENT_NAME` LIKE '%";
$query .= $dbi->escapeString($searchClause);
$query .= "%'";
}
$query .= 'ORDER BY `EVENT_NAME` ASC ';
$query .= 'LIMIT ' . intval($pos) . ', ' . $maxItems;
$retval = $dbi->fetchResult($query);
} else {
$escdDb = Util::backquote($db);
$query = 'SHOW EVENTS FROM ' . $escdDb . ' ';
if (! empty($searchClause)) {
$query .= "WHERE `Name` LIKE '%";
$query .= $dbi->escapeString($searchClause);
$query .= "%'";
}
$handle = $dbi->tryQuery($query);
if ($handle !== false) {
$count = 0;
if ($handle->seek($pos)) {
while ($arr = $handle->fetchAssoc()) {
if ($count >= $maxItems) {
break;
}
$retval[] = $arr['Name'];
$count++;
}
}
}
}
return $retval;
}
/**
* Returns HTML for control buttons displayed infront of a node
*
* @return string HTML for control buttons
*/
public function getHtmlForControlButtons(): string
{
$ret = '';
$relationParameters = $this->relation->getRelationParameters();
if ($relationParameters->navigationItemsHidingFeature !== null) {
if ($this->hiddenCount > 0) {
$params = [
'showUnhideDialog' => true,
'dbName' => $this->realName,
];
$ret = '<span class="dbItemControls">'
. '<a href="' . Url::getFromRoute('/navigation') . '" data-post="'
. Url::getCommon($params, '', false) . '"'
. ' class="showUnhide ajax">'
. Generator::getImage(
'show',
__('Show hidden items')
)
. '</a></span>';
}
}
return $ret;
}
/**
* Sets the number of hidden items in this database
*
* @param int $count hidden item count
*/
public function setHiddenCount($count): void
{
$this->hiddenCount = $count;
}
/**
* Returns the number of hidden items in this database
*
* @return int hidden item count
*/
public function getHiddenCount()
{
return $this->hiddenCount;
}
}