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2321 lines
72 KiB
2321 lines
72 KiB
2 years ago
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<?php
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/**
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* Main interface for database interactions
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\ConfigStorage\Relation;
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use PhpMyAdmin\Database\DatabaseList;
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use PhpMyAdmin\Dbal\DatabaseName;
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use PhpMyAdmin\Dbal\DbalInterface;
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use PhpMyAdmin\Dbal\DbiExtension;
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use PhpMyAdmin\Dbal\DbiMysqli;
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use PhpMyAdmin\Dbal\ResultInterface;
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use PhpMyAdmin\Dbal\Warning;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Query\Cache;
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use PhpMyAdmin\Query\Compatibility;
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use PhpMyAdmin\Query\Generator as QueryGenerator;
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use PhpMyAdmin\Query\Utilities;
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use PhpMyAdmin\SqlParser\Context;
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use PhpMyAdmin\Utils\SessionCache;
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use function __;
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use function array_column;
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use function array_diff;
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use function array_keys;
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use function array_map;
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use function array_merge;
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use function array_multisort;
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use function array_reverse;
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use function array_shift;
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use function array_slice;
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use function basename;
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use function closelog;
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use function count;
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use function defined;
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use function explode;
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use function implode;
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use function in_array;
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use function is_array;
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use function is_int;
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use function is_string;
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use function mb_strtolower;
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use function microtime;
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use function openlog;
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use function reset;
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use function sprintf;
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use function str_contains;
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use function str_starts_with;
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use function stripos;
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use function strlen;
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use function strtolower;
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use function strtoupper;
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use function strtr;
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use function substr;
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use function syslog;
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use function trigger_error;
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use function uasort;
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use function uksort;
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use function usort;
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use const E_USER_WARNING;
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use const LOG_INFO;
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use const LOG_NDELAY;
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use const LOG_PID;
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use const LOG_USER;
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use const SORT_ASC;
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use const SORT_DESC;
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/**
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* Main interface for database interactions
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*/
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class DatabaseInterface implements DbalInterface
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{
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/**
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* Force STORE_RESULT method, ignored by classic MySQL.
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*/
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public const QUERY_BUFFERED = 0;
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/**
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* Do not read all rows immediately.
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*/
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public const QUERY_UNBUFFERED = 2;
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/**
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* Get session variable.
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*/
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public const GETVAR_SESSION = 1;
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/**
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* Get global variable.
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*/
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public const GETVAR_GLOBAL = 2;
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/**
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* User connection.
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*/
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public const CONNECT_USER = 0x100;
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/**
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* Control user connection.
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*/
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public const CONNECT_CONTROL = 0x101;
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/**
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* Auxiliary connection.
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*
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* Used for example for replication setup.
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*/
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public const CONNECT_AUXILIARY = 0x102;
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/** @var DbiExtension */
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private $extension;
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/**
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* Opened database links
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*
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* @var array
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*/
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private $links;
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/** @var array Current user and host cache */
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private $currentUser;
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/** @var string|null lower_case_table_names value cache */
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private $lowerCaseTableNames = null;
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/** @var bool Whether connection is MariaDB */
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private $isMariaDb = false;
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/** @var bool Whether connection is Percona */
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private $isPercona = false;
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/** @var int Server version as number */
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private $versionInt = 55000;
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/** @var string Server version */
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private $versionString = '5.50.0';
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/** @var string Server version comment */
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private $versionComment = '';
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/** @var Types MySQL types data */
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public $types;
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/** @var Cache */
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private $cache;
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/** @var float */
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public $lastQueryExecutionTime = 0;
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/**
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* @param DbiExtension $ext Object to be used for database queries
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*/
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public function __construct(DbiExtension $ext)
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{
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$this->extension = $ext;
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$this->links = [];
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if (defined('TESTSUITE')) {
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$this->links[self::CONNECT_USER] = 1;
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$this->links[self::CONNECT_CONTROL] = 2;
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}
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$this->currentUser = [];
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$this->cache = new Cache();
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$this->types = new Types($this);
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}
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/**
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* runs a query
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*
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* @param string $query SQL query to execute
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* @param mixed $link optional database link to use
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* @param int $options optional query options
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* @param bool $cache_affected_rows whether to cache affected rows
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*/
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public function query(
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string $query,
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$link = self::CONNECT_USER,
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int $options = self::QUERY_BUFFERED,
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bool $cache_affected_rows = true
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): ResultInterface {
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$result = $this->tryQuery($query, $link, $options, $cache_affected_rows);
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if (! $result) {
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// The following statement will exit
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Generator::mysqlDie($this->getError($link), $query);
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exit;
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}
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return $result;
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}
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public function getCache(): Cache
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{
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return $this->cache;
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}
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/**
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* runs a query and returns the result
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*
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* @param string $query query to run
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* @param mixed $link link type
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* @param int $options if DatabaseInterface::QUERY_UNBUFFERED
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* is provided, it will instruct the extension
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* to use unbuffered mode
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* @param bool $cache_affected_rows whether to cache affected row
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*
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* @return ResultInterface|false
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*/
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public function tryQuery(
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string $query,
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$link = self::CONNECT_USER,
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int $options = self::QUERY_BUFFERED,
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bool $cache_affected_rows = true
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) {
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$debug = isset($GLOBALS['cfg']['DBG']) && $GLOBALS['cfg']['DBG']['sql'];
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if (! isset($this->links[$link])) {
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return false;
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}
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$time = microtime(true);
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$result = $this->extension->realQuery($query, $this->links[$link], $options);
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if ($cache_affected_rows) {
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$GLOBALS['cached_affected_rows'] = $this->affectedRows($link, false);
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}
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$this->lastQueryExecutionTime = microtime(true) - $time;
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if ($debug) {
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$errorMessage = $this->getError($link);
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Utilities::debugLogQueryIntoSession(
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$query,
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$errorMessage !== '' ? $errorMessage : null,
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$result,
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$this->lastQueryExecutionTime
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);
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if ($GLOBALS['cfg']['DBG']['sqllog']) {
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$warningsCount = 0;
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if (isset($this->links[$link]->warning_count)) {
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$warningsCount = $this->links[$link]->warning_count;
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}
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openlog('phpMyAdmin', LOG_NDELAY | LOG_PID, LOG_USER);
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syslog(
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LOG_INFO,
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sprintf(
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'SQL[%s?route=%s]: %0.3f(W:%d,C:%s,L:0x%02X) > %s',
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basename($_SERVER['SCRIPT_NAME']),
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Routing::getCurrentRoute(),
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$this->lastQueryExecutionTime,
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$warningsCount,
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$cache_affected_rows ? 'y' : 'n',
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$link,
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$query
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)
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);
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closelog();
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}
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}
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if ($result !== false && Tracker::isActive()) {
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Tracker::handleQuery($query);
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}
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return $result;
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}
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/**
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* Send multiple SQL queries to the database server and execute the first one
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*
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* @param string $multiQuery multi query statement to execute
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* @param int $linkIndex index of the opened database link
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*/
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public function tryMultiQuery(
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string $multiQuery = '',
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$linkIndex = self::CONNECT_USER
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): bool {
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if (! isset($this->links[$linkIndex])) {
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return false;
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}
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return $this->extension->realMultiQuery($this->links[$linkIndex], $multiQuery);
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}
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/**
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* Executes a query as controluser.
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* The result is always buffered and never cached
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|
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*
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* @param string $sql the query to execute
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|
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*
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* @return ResultInterface the result set
|
||
|
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*/
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public function queryAsControlUser(string $sql): ResultInterface
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{
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// Avoid caching of the number of rows affected; for example, this function
|
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|
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// is called for tracking purposes but we want to display the correct number
|
||
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// of rows affected by the original query, not by the query generated for
|
||
|
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// tracking.
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return $this->query($sql, self::CONNECT_CONTROL, self::QUERY_BUFFERED, false);
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|
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}
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|
|
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||
|
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/**
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||
|
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* Executes a query as controluser.
|
||
|
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* The result is always buffered and never cached
|
||
|
|
*
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||
|
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* @param string $sql the query to execute
|
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|
|
*
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||
|
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* @return ResultInterface|false the result set, or false if the query failed
|
||
|
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*/
|
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public function tryQueryAsControlUser(string $sql)
|
||
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{
|
||
|
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// Avoid caching of the number of rows affected; for example, this function
|
||
|
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// is called for tracking purposes but we want to display the correct number
|
||
|
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// of rows affected by the original query, not by the query generated for
|
||
|
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// tracking.
|
||
|
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return $this->tryQuery($sql, self::CONNECT_CONTROL, self::QUERY_BUFFERED, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns array with table names for given db
|
||
|
|
*
|
||
|
|
* @param string $database name of database
|
||
|
|
* @param mixed $link mysql link resource|object
|
||
|
|
*
|
||
|
|
* @return array tables names
|
||
|
|
*/
|
||
|
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public function getTables(string $database, $link = self::CONNECT_USER): array
|
||
|
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{
|
||
|
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if ($database === '') {
|
||
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return [];
|
||
|
|
}
|
||
|
|
|
||
|
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$tables = $this->fetchResult(
|
||
|
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'SHOW TABLES FROM ' . Util::backquote($database) . ';',
|
||
|
|
null,
|
||
|
|
0,
|
||
|
|
$link
|
||
|
|
);
|
||
|
|
if ($GLOBALS['cfg']['NaturalOrder']) {
|
||
|
|
usort($tables, 'strnatcasecmp');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $tables;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns array of all tables in given db or dbs
|
||
|
|
* this function expects unquoted names:
|
||
|
|
* RIGHT: my_database
|
||
|
|
* WRONG: `my_database`
|
||
|
|
* WRONG: my\_database
|
||
|
|
* if $tbl_is_group is true, $table is used as filter for table names
|
||
|
|
*
|
||
|
|
* <code>
|
||
|
|
* $dbi->getTablesFull('my_database');
|
||
|
|
* $dbi->getTablesFull('my_database', 'my_table'));
|
||
|
|
* $dbi->getTablesFull('my_database', 'my_tables_', true));
|
||
|
|
* </code>
|
||
|
|
*
|
||
|
|
* @param string $database database
|
||
|
|
* @param string|array $table table name(s)
|
||
|
|
* @param bool $tbl_is_group $table is a table group
|
||
|
|
* @param int $limit_offset zero-based offset for the count
|
||
|
|
* @param bool|int $limit_count number of tables to return
|
||
|
|
* @param string $sort_by table attribute to sort by
|
||
|
|
* @param string $sort_order direction to sort (ASC or DESC)
|
||
|
|
* @param string|null $table_type whether table or view
|
||
|
|
* @param mixed $link link type
|
||
|
|
*
|
||
|
|
* @return array list of tables in given db(s)
|
||
|
|
*
|
||
|
|
* @todo move into Table
|
||
|
|
*/
|
||
|
|
public function getTablesFull(
|
||
|
|
string $database,
|
||
|
|
$table = '',
|
||
|
|
bool $tbl_is_group = false,
|
||
|
|
int $limit_offset = 0,
|
||
|
|
$limit_count = false,
|
||
|
|
string $sort_by = 'Name',
|
||
|
|
string $sort_order = 'ASC',
|
||
|
|
?string $table_type = null,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
if ($limit_count === true) {
|
||
|
|
$limit_count = $GLOBALS['cfg']['MaxTableList'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$tables = [];
|
||
|
|
|
||
|
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
$sql_where_table = QueryGenerator::getTableCondition(
|
||
|
|
is_array($table) ? array_map(
|
||
|
|
[
|
||
|
|
$this,
|
||
|
|
'escapeString',
|
||
|
|
],
|
||
|
|
$table
|
||
|
|
) : $this->escapeString($table),
|
||
|
|
$tbl_is_group,
|
||
|
|
$table_type
|
||
|
|
);
|
||
|
|
|
||
|
|
// for PMA bc:
|
||
|
|
// `SCHEMA_FIELD_NAME` AS `SHOW_TABLE_STATUS_FIELD_NAME`
|
||
|
|
//
|
||
|
|
// on non-Windows servers,
|
||
|
|
// added BINARY in the WHERE clause to force a case sensitive
|
||
|
|
// comparison (if we are looking for the db Aa we don't want
|
||
|
|
// to find the db aa)
|
||
|
|
|
||
|
|
$sql = QueryGenerator::getSqlForTablesFull([$this->escapeString($database)], $sql_where_table);
|
||
|
|
|
||
|
|
// Sort the tables
|
||
|
|
$sql .= ' ORDER BY ' . $sort_by . ' ' . $sort_order;
|
||
|
|
|
||
|
|
if ($limit_count) {
|
||
|
|
$sql .= ' LIMIT ' . $limit_count . ' OFFSET ' . $limit_offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
$tables = $this->fetchResult(
|
||
|
|
$sql,
|
||
|
|
[
|
||
|
|
'TABLE_SCHEMA',
|
||
|
|
'TABLE_NAME',
|
||
|
|
],
|
||
|
|
null,
|
||
|
|
$link
|
||
|
|
);
|
||
|
|
|
||
|
|
// here, we check for Mroonga engine and compute the good data_length and index_length
|
||
|
|
// in the StructureController only we need to sum the two values as the other engines
|
||
|
|
foreach ($tables as $one_database_name => $one_database_tables) {
|
||
|
|
foreach ($one_database_tables as $one_table_name => $one_table_data) {
|
||
|
|
if ($one_table_data['Engine'] !== 'Mroonga') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! StorageEngine::hasMroongaEngine()) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
[
|
||
|
|
$tables[$one_database_name][$one_table_name]['Data_length'],
|
||
|
|
$tables[$one_database_name][$one_table_name]['Index_length'],
|
||
|
|
] = StorageEngine::getMroongaLengths($one_database_name, $one_table_name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($sort_by === 'Name' && $GLOBALS['cfg']['NaturalOrder']) {
|
||
|
|
// here, the array's first key is by schema name
|
||
|
|
foreach ($tables as $one_database_name => $one_database_tables) {
|
||
|
|
uksort($one_database_tables, 'strnatcasecmp');
|
||
|
|
|
||
|
|
if ($sort_order === 'DESC') {
|
||
|
|
$one_database_tables = array_reverse($one_database_tables);
|
||
|
|
}
|
||
|
|
|
||
|
|
$tables[$one_database_name] = $one_database_tables;
|
||
|
|
}
|
||
|
|
} elseif ($sort_by === 'Data_length') {
|
||
|
|
// Size = Data_length + Index_length
|
||
|
|
foreach ($tables as $one_database_name => $one_database_tables) {
|
||
|
|
uasort(
|
||
|
|
$one_database_tables,
|
||
|
|
/**
|
||
|
|
* @param array $a
|
||
|
|
* @param array $b
|
||
|
|
*/
|
||
|
|
static function ($a, $b) {
|
||
|
|
$aLength = $a['Data_length'] + $a['Index_length'];
|
||
|
|
$bLength = $b['Data_length'] + $b['Index_length'];
|
||
|
|
|
||
|
|
return $aLength <=> $bLength;
|
||
|
|
}
|
||
|
|
);
|
||
|
|
|
||
|
|
if ($sort_order === 'DESC') {
|
||
|
|
$one_database_tables = array_reverse($one_database_tables);
|
||
|
|
}
|
||
|
|
|
||
|
|
$tables[$one_database_name] = $one_database_tables;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If permissions are wrong on even one database directory,
|
||
|
|
// information_schema does not return any table info for any database
|
||
|
|
// this is why we fall back to SHOW TABLE STATUS even for MySQL >= 50002
|
||
|
|
if ($tables === []) {
|
||
|
|
$sql = 'SHOW TABLE STATUS FROM ' . Util::backquote($database);
|
||
|
|
if ($table || ($tbl_is_group === true) || $table_type) {
|
||
|
|
$sql .= ' WHERE';
|
||
|
|
$needAnd = false;
|
||
|
|
if ($table || ($tbl_is_group === true)) {
|
||
|
|
if (is_array($table)) {
|
||
|
|
$sql .= ' `Name` IN (\''
|
||
|
|
. implode(
|
||
|
|
'\', \'',
|
||
|
|
array_map(
|
||
|
|
[
|
||
|
|
$this,
|
||
|
|
'escapeString',
|
||
|
|
],
|
||
|
|
$table,
|
||
|
|
$link
|
||
|
|
)
|
||
|
|
) . '\')';
|
||
|
|
} else {
|
||
|
|
$sql .= " `Name` LIKE '"
|
||
|
|
. $this->escapeMysqlLikeString($table, $link)
|
||
|
|
. "%'";
|
||
|
|
}
|
||
|
|
|
||
|
|
$needAnd = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($table_type) {
|
||
|
|
if ($needAnd) {
|
||
|
|
$sql .= ' AND';
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($table_type === 'view') {
|
||
|
|
$sql .= " `Comment` = 'VIEW'";
|
||
|
|
} elseif ($table_type === 'table') {
|
||
|
|
$sql .= " `Comment` != 'VIEW'";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$each_tables = $this->fetchResult($sql, 'Name', null, $link);
|
||
|
|
|
||
|
|
// here, we check for Mroonga engine and compute the good data_length and index_length
|
||
|
|
// in the StructureController only we need to sum the two values as the other engines
|
||
|
|
foreach ($each_tables as $table_name => $table_data) {
|
||
|
|
if ($table_data['Engine'] !== 'Mroonga') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! StorageEngine::hasMroongaEngine()) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
[
|
||
|
|
$each_tables[$table_name]['Data_length'],
|
||
|
|
$each_tables[$table_name]['Index_length'],
|
||
|
|
] = StorageEngine::getMroongaLengths($database, $table_name);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sort naturally if the config allows it and we're sorting
|
||
|
|
// the Name column.
|
||
|
|
if ($sort_by === 'Name' && $GLOBALS['cfg']['NaturalOrder']) {
|
||
|
|
uksort($each_tables, 'strnatcasecmp');
|
||
|
|
|
||
|
|
if ($sort_order === 'DESC') {
|
||
|
|
$each_tables = array_reverse($each_tables);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// Prepare to sort by creating array of the selected sort
|
||
|
|
// value to pass to array_multisort
|
||
|
|
|
||
|
|
// Size = Data_length + Index_length
|
||
|
|
$sortValues = [];
|
||
|
|
if ($sort_by === 'Data_length') {
|
||
|
|
foreach ($each_tables as $table_name => $table_data) {
|
||
|
|
$sortValues[$table_name] = strtolower(
|
||
|
|
(string) ($table_data['Data_length']
|
||
|
|
+ $table_data['Index_length'])
|
||
|
|
);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
foreach ($each_tables as $table_name => $table_data) {
|
||
|
|
$sortValues[$table_name] = strtolower($table_data[$sort_by] ?? '');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($sortValues) {
|
||
|
|
if ($sort_order === 'DESC') {
|
||
|
|
array_multisort($sortValues, SORT_DESC, $each_tables);
|
||
|
|
} else {
|
||
|
|
array_multisort($sortValues, SORT_ASC, $each_tables);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// cleanup the temporary sort array
|
||
|
|
unset($sortValues);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($limit_count) {
|
||
|
|
$each_tables = array_slice($each_tables, $limit_offset, $limit_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
$tables[$database] = Compatibility::getISCompatForGetTablesFull($each_tables, $database);
|
||
|
|
}
|
||
|
|
|
||
|
|
// cache table data
|
||
|
|
// so Table does not require to issue SHOW TABLE STATUS again
|
||
|
|
$this->cache->cacheTableData($tables, $table);
|
||
|
|
|
||
|
|
if (isset($tables[$database])) {
|
||
|
|
return $tables[$database];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($tables[mb_strtolower($database)])) {
|
||
|
|
// on windows with lower_case_table_names = 1
|
||
|
|
// MySQL returns
|
||
|
|
// with SHOW DATABASES or information_schema.SCHEMATA: `Test`
|
||
|
|
// but information_schema.TABLES gives `test`
|
||
|
|
// see https://github.com/phpmyadmin/phpmyadmin/issues/8402
|
||
|
|
return $tables[mb_strtolower($database)];
|
||
|
|
}
|
||
|
|
|
||
|
|
return $tables;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get VIEWs in a particular database
|
||
|
|
*
|
||
|
|
* @param string $db Database name to look in
|
||
|
|
*
|
||
|
|
* @return Table[] Set of VIEWs inside the database
|
||
|
|
*/
|
||
|
|
public function getVirtualTables(string $db): array
|
||
|
|
{
|
||
|
|
$tables_full = array_keys($this->getTablesFull($db));
|
||
|
|
$views = [];
|
||
|
|
|
||
|
|
foreach ($tables_full as $table) {
|
||
|
|
$table = $this->getTable($db, (string) $table);
|
||
|
|
if (! $table->isView()) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$views[] = $table;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $views;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns array with databases containing extended infos about them
|
||
|
|
*
|
||
|
|
* @param string|null $database database
|
||
|
|
* @param bool $force_stats retrieve stats also for MySQL < 5
|
||
|
|
* @param int $link link type
|
||
|
|
* @param string $sort_by column to order by
|
||
|
|
* @param string $sort_order ASC or DESC
|
||
|
|
* @param int $limit_offset starting offset for LIMIT
|
||
|
|
* @param bool|int $limit_count row count for LIMIT or true
|
||
|
|
* for $GLOBALS['cfg']['MaxDbList']
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*
|
||
|
|
* @todo move into ListDatabase?
|
||
|
|
*/
|
||
|
|
public function getDatabasesFull(
|
||
|
|
?string $database = null,
|
||
|
|
bool $force_stats = false,
|
||
|
|
$link = self::CONNECT_USER,
|
||
|
|
string $sort_by = 'SCHEMA_NAME',
|
||
|
|
string $sort_order = 'ASC',
|
||
|
|
int $limit_offset = 0,
|
||
|
|
$limit_count = false
|
||
|
|
): array {
|
||
|
|
$sort_order = strtoupper($sort_order);
|
||
|
|
|
||
|
|
if ($limit_count === true) {
|
||
|
|
$limit_count = $GLOBALS['cfg']['MaxDbList'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$apply_limit_and_order_manual = true;
|
||
|
|
|
||
|
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
/**
|
||
|
|
* if $GLOBALS['cfg']['NaturalOrder'] is enabled, we cannot use LIMIT
|
||
|
|
* cause MySQL does not support natural ordering,
|
||
|
|
* we have to do it afterward
|
||
|
|
*/
|
||
|
|
$limit = '';
|
||
|
|
if (! $GLOBALS['cfg']['NaturalOrder']) {
|
||
|
|
if ($limit_count) {
|
||
|
|
$limit = ' LIMIT ' . $limit_count . ' OFFSET ' . $limit_offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
$apply_limit_and_order_manual = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// get table information from information_schema
|
||
|
|
$sqlWhereSchema = '';
|
||
|
|
if ($database !== null) {
|
||
|
|
$sqlWhereSchema = 'WHERE `SCHEMA_NAME` LIKE \''
|
||
|
|
. $this->escapeString($database, $link) . '\'';
|
||
|
|
}
|
||
|
|
|
||
|
|
$sql = QueryGenerator::getInformationSchemaDatabasesFullRequest(
|
||
|
|
$force_stats,
|
||
|
|
$sqlWhereSchema,
|
||
|
|
$sort_by,
|
||
|
|
$sort_order,
|
||
|
|
$limit
|
||
|
|
);
|
||
|
|
|
||
|
|
$databases = $this->fetchResult($sql, 'SCHEMA_NAME', null, $link);
|
||
|
|
|
||
|
|
$mysql_error = $this->getError($link);
|
||
|
|
if (! count($databases) && isset($GLOBALS['errno'])) {
|
||
|
|
Generator::mysqlDie($mysql_error, $sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
// display only databases also in official database list
|
||
|
|
// f.e. to apply hide_db and only_db
|
||
|
|
$drops = array_diff(
|
||
|
|
array_keys($databases),
|
||
|
|
(array) $GLOBALS['dblist']->databases
|
||
|
|
);
|
||
|
|
foreach ($drops as $drop) {
|
||
|
|
unset($databases[$drop]);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$databases = [];
|
||
|
|
foreach ($GLOBALS['dblist']->databases as $database_name) {
|
||
|
|
// Compatibility with INFORMATION_SCHEMA output
|
||
|
|
$databases[$database_name]['SCHEMA_NAME'] = $database_name;
|
||
|
|
|
||
|
|
$databases[$database_name]['DEFAULT_COLLATION_NAME'] = $this->getDbCollation($database_name);
|
||
|
|
|
||
|
|
if (! $force_stats) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// get additional info about tables
|
||
|
|
$databases[$database_name]['SCHEMA_TABLES'] = 0;
|
||
|
|
$databases[$database_name]['SCHEMA_TABLE_ROWS'] = 0;
|
||
|
|
$databases[$database_name]['SCHEMA_DATA_LENGTH'] = 0;
|
||
|
|
$databases[$database_name]['SCHEMA_MAX_DATA_LENGTH'] = 0;
|
||
|
|
$databases[$database_name]['SCHEMA_INDEX_LENGTH'] = 0;
|
||
|
|
$databases[$database_name]['SCHEMA_LENGTH'] = 0;
|
||
|
|
$databases[$database_name]['SCHEMA_DATA_FREE'] = 0;
|
||
|
|
|
||
|
|
$res = $this->query(
|
||
|
|
'SHOW TABLE STATUS FROM '
|
||
|
|
. Util::backquote($database_name) . ';'
|
||
|
|
);
|
||
|
|
|
||
|
|
while ($row = $res->fetchAssoc()) {
|
||
|
|
$databases[$database_name]['SCHEMA_TABLES']++;
|
||
|
|
$databases[$database_name]['SCHEMA_TABLE_ROWS'] += $row['Rows'];
|
||
|
|
$databases[$database_name]['SCHEMA_DATA_LENGTH'] += $row['Data_length'];
|
||
|
|
$databases[$database_name]['SCHEMA_MAX_DATA_LENGTH'] += $row['Max_data_length'];
|
||
|
|
$databases[$database_name]['SCHEMA_INDEX_LENGTH'] += $row['Index_length'];
|
||
|
|
|
||
|
|
// for InnoDB, this does not contain the number of
|
||
|
|
// overhead bytes but the total free space
|
||
|
|
if ($row['Engine'] !== 'InnoDB') {
|
||
|
|
$databases[$database_name]['SCHEMA_DATA_FREE'] += $row['Data_free'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$databases[$database_name]['SCHEMA_LENGTH'] += $row['Data_length'] + $row['Index_length'];
|
||
|
|
}
|
||
|
|
|
||
|
|
unset($res);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* apply limit and order manually now
|
||
|
|
* (caused by older MySQL < 5 or $GLOBALS['cfg']['NaturalOrder'])
|
||
|
|
*/
|
||
|
|
if ($apply_limit_and_order_manual) {
|
||
|
|
usort(
|
||
|
|
$databases,
|
||
|
|
static function ($a, $b) use ($sort_by, $sort_order) {
|
||
|
|
return Utilities::usortComparisonCallback($a, $b, $sort_by, $sort_order);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* now apply limit
|
||
|
|
*/
|
||
|
|
if ($limit_count) {
|
||
|
|
$databases = array_slice($databases, $limit_offset, $limit_count);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $databases;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns detailed array with all columns for sql
|
||
|
|
*
|
||
|
|
* @param string $sql_query target SQL query to get columns
|
||
|
|
* @param array $view_columns alias for columns
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
* @psalm-return list<array<string, mixed>>
|
||
|
|
*/
|
||
|
|
public function getColumnMapFromSql(string $sql_query, array $view_columns = []): array
|
||
|
|
{
|
||
|
|
$result = $this->tryQuery($sql_query);
|
||
|
|
|
||
|
|
if ($result === false) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
$meta = $this->getFieldsMeta($result);
|
||
|
|
|
||
|
|
$column_map = [];
|
||
|
|
$nbColumns = count($view_columns);
|
||
|
|
|
||
|
|
foreach ($meta as $i => $field) {
|
||
|
|
$map = [
|
||
|
|
'table_name' => $field->table,
|
||
|
|
'refering_column' => $field->name,
|
||
|
|
];
|
||
|
|
|
||
|
|
if ($nbColumns >= $i) {
|
||
|
|
$map['real_column'] = $view_columns[$i];
|
||
|
|
}
|
||
|
|
|
||
|
|
$column_map[] = $map;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $column_map;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns detailed array with all columns for given table in database,
|
||
|
|
* or all tables/databases
|
||
|
|
*
|
||
|
|
* @param string|null $database name of database
|
||
|
|
* @param string|null $table name of table to retrieve columns from
|
||
|
|
* @param string|null $column name of specific column
|
||
|
|
* @param mixed $link mysql link resource
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getColumnsFull(
|
||
|
|
?string $database = null,
|
||
|
|
?string $table = null,
|
||
|
|
?string $column = null,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
[$sql, $arrayKeys] = QueryGenerator::getInformationSchemaColumnsFullRequest(
|
||
|
|
$database !== null ? $this->escapeString($database, $link) : null,
|
||
|
|
$table !== null ? $this->escapeString($table, $link) : null,
|
||
|
|
$column !== null ? $this->escapeString($column, $link) : null
|
||
|
|
);
|
||
|
|
|
||
|
|
return $this->fetchResult($sql, $arrayKeys, null, $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
$columns = [];
|
||
|
|
if ($database === null) {
|
||
|
|
foreach ($GLOBALS['dblist']->databases as $database) {
|
||
|
|
$columns[$database] = $this->getColumnsFull($database, null, null, $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $columns;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($table === null) {
|
||
|
|
$tables = $this->getTables($database);
|
||
|
|
foreach ($tables as $table) {
|
||
|
|
$columns[$table] = $this->getColumnsFull($database, $table, null, $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $columns;
|
||
|
|
}
|
||
|
|
|
||
|
|
$sql = 'SHOW FULL COLUMNS FROM '
|
||
|
|
. Util::backquote($database) . '.' . Util::backquote($table);
|
||
|
|
if ($column !== null) {
|
||
|
|
$sql .= " LIKE '" . $this->escapeString($column, $link) . "'";
|
||
|
|
}
|
||
|
|
|
||
|
|
$columns = $this->fetchResult($sql, 'Field', null, $link);
|
||
|
|
|
||
|
|
$columns = Compatibility::getISCompatForGetColumnsFull($columns, $database, $table);
|
||
|
|
|
||
|
|
if ($column !== null) {
|
||
|
|
return reset($columns);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $columns;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns description of a $column in given table
|
||
|
|
*
|
||
|
|
* @param string $database name of database
|
||
|
|
* @param string $table name of table to retrieve columns from
|
||
|
|
* @param string $column name of column
|
||
|
|
* @param bool $full whether to return full info or only column names
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return array flat array description
|
||
|
|
*/
|
||
|
|
public function getColumn(
|
||
|
|
string $database,
|
||
|
|
string $table,
|
||
|
|
string $column,
|
||
|
|
bool $full = false,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
$sql = QueryGenerator::getColumnsSql(
|
||
|
|
$database,
|
||
|
|
$table,
|
||
|
|
$this->escapeMysqlLikeString($column),
|
||
|
|
$full
|
||
|
|
);
|
||
|
|
/** @var array<string, array> $fields */
|
||
|
|
$fields = $this->fetchResult($sql, 'Field', null, $link);
|
||
|
|
|
||
|
|
$columns = $this->attachIndexInfoToColumns($database, $table, $fields);
|
||
|
|
|
||
|
|
return array_shift($columns) ?? [];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns descriptions of columns in given table
|
||
|
|
*
|
||
|
|
* @param string $database name of database
|
||
|
|
* @param string $table name of table to retrieve columns from
|
||
|
|
* @param bool $full whether to return full info or only column names
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return array<string, array> array indexed by column names
|
||
|
|
*/
|
||
|
|
public function getColumns(
|
||
|
|
string $database,
|
||
|
|
string $table,
|
||
|
|
bool $full = false,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
$sql = QueryGenerator::getColumnsSql(
|
||
|
|
$database,
|
||
|
|
$table,
|
||
|
|
null,
|
||
|
|
$full
|
||
|
|
);
|
||
|
|
/** @var array<string, array> $fields */
|
||
|
|
$fields = $this->fetchResult($sql, 'Field', null, $link);
|
||
|
|
|
||
|
|
return $this->attachIndexInfoToColumns($database, $table, $fields);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Attach index information to the column definition
|
||
|
|
*
|
||
|
|
* @param string $database name of database
|
||
|
|
* @param string $table name of table to retrieve columns from
|
||
|
|
* @param array<string, array> $fields column array indexed by their names
|
||
|
|
*
|
||
|
|
* @return array<string, array> Column defintions with index information
|
||
|
|
*/
|
||
|
|
private function attachIndexInfoToColumns(
|
||
|
|
string $database,
|
||
|
|
string $table,
|
||
|
|
array $fields
|
||
|
|
): array {
|
||
|
|
if (! $fields) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if column is a part of multiple-column index and set its 'Key'.
|
||
|
|
$indexes = Index::getFromTable($table, $database);
|
||
|
|
foreach ($fields as $field => $field_data) {
|
||
|
|
if (! empty($field_data['Key'])) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($indexes as $index) {
|
||
|
|
if (! $index->hasColumn($field)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$index_columns = $index->getColumns();
|
||
|
|
if ($index_columns[$field]->getSeqInIndex() <= 1) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($index->isUnique()) {
|
||
|
|
$fields[$field]['Key'] = 'UNI';
|
||
|
|
} else {
|
||
|
|
$fields[$field]['Key'] = 'MUL';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $fields;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns all column names in given table
|
||
|
|
*
|
||
|
|
* @param string $database name of database
|
||
|
|
* @param string $table name of table to retrieve columns from
|
||
|
|
* @param mixed $link mysql link resource
|
||
|
|
*
|
||
|
|
* @return string[]
|
||
|
|
*/
|
||
|
|
public function getColumnNames(
|
||
|
|
string $database,
|
||
|
|
string $table,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
$sql = QueryGenerator::getColumnsSql($database, $table);
|
||
|
|
|
||
|
|
// We only need the 'Field' column which contains the table's column names
|
||
|
|
return $this->fetchResult($sql, null, 'Field', $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns indexes of a table
|
||
|
|
*
|
||
|
|
* @param string $database name of database
|
||
|
|
* @param string $table name of the table whose indexes are to be retrieved
|
||
|
|
* @param mixed $link mysql link resource
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getTableIndexes(
|
||
|
|
string $database,
|
||
|
|
string $table,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
$sql = QueryGenerator::getTableIndexesSql($database, $table);
|
||
|
|
|
||
|
|
return $this->fetchResult($sql, null, null, $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns value of given mysql server variable
|
||
|
|
*
|
||
|
|
* @param string $var mysql server variable name
|
||
|
|
* @param int $type DatabaseInterface::GETVAR_SESSION |
|
||
|
|
* DatabaseInterface::GETVAR_GLOBAL
|
||
|
|
* @param int $link mysql link resource|object
|
||
|
|
*
|
||
|
|
* @return false|string|null value for mysql server variable
|
||
|
|
*/
|
||
|
|
public function getVariable(
|
||
|
|
string $var,
|
||
|
|
int $type = self::GETVAR_SESSION,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
) {
|
||
|
|
switch ($type) {
|
||
|
|
case self::GETVAR_SESSION:
|
||
|
|
$modifier = ' SESSION';
|
||
|
|
break;
|
||
|
|
case self::GETVAR_GLOBAL:
|
||
|
|
$modifier = ' GLOBAL';
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
$modifier = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->fetchValue('SHOW' . $modifier . ' VARIABLES LIKE \'' . $var . '\';', 1, $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets new value for a variable if it is different from the current value
|
||
|
|
*
|
||
|
|
* @param string $var variable name
|
||
|
|
* @param string $value value to set
|
||
|
|
* @param int $link mysql link resource|object
|
||
|
|
*/
|
||
|
|
public function setVariable(
|
||
|
|
string $var,
|
||
|
|
string $value,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): bool {
|
||
|
|
$current_value = $this->getVariable($var, self::GETVAR_SESSION, $link);
|
||
|
|
if ($current_value == $value) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return (bool) $this->query('SET ' . $var . ' = ' . $value . ';', $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Function called just after a connection to the MySQL database server has
|
||
|
|
* been established. It sets the connection collation, and determines the
|
||
|
|
* version of MySQL which is running.
|
||
|
|
*/
|
||
|
|
public function postConnect(): void
|
||
|
|
{
|
||
|
|
$version = $this->fetchSingleRow('SELECT @@version, @@version_comment');
|
||
|
|
|
||
|
|
if (is_array($version)) {
|
||
|
|
$this->versionString = $version['@@version'] ?? '';
|
||
|
|
$this->versionInt = Utilities::versionToInt($this->versionString);
|
||
|
|
$this->versionComment = $version['@@version_comment'] ?? '';
|
||
|
|
if (stripos($this->versionString, 'mariadb') !== false) {
|
||
|
|
$this->isMariaDb = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stripos($this->versionComment, 'percona') !== false) {
|
||
|
|
$this->isPercona = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->versionInt > 50503) {
|
||
|
|
$default_charset = 'utf8mb4';
|
||
|
|
$default_collation = 'utf8mb4_general_ci';
|
||
|
|
} else {
|
||
|
|
$default_charset = 'utf8';
|
||
|
|
$default_collation = 'utf8_general_ci';
|
||
|
|
}
|
||
|
|
|
||
|
|
$GLOBALS['collation_connection'] = $default_collation;
|
||
|
|
$GLOBALS['charset_connection'] = $default_charset;
|
||
|
|
$this->query(sprintf('SET NAMES \'%s\' COLLATE \'%s\';', $default_charset, $default_collation));
|
||
|
|
|
||
|
|
/* Locale for messages */
|
||
|
|
$locale = LanguageManager::getInstance()->getCurrentLanguage()->getMySQLLocale();
|
||
|
|
if ($locale) {
|
||
|
|
$this->query("SET lc_messages = '" . $locale . "';");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set timezone for the session, if required.
|
||
|
|
if ($GLOBALS['cfg']['Server']['SessionTimeZone'] != '') {
|
||
|
|
$sql_query_tz = 'SET ' . Util::backquote('time_zone') . ' = '
|
||
|
|
. '\''
|
||
|
|
. $this->escapeString($GLOBALS['cfg']['Server']['SessionTimeZone'])
|
||
|
|
. '\'';
|
||
|
|
|
||
|
|
if (! $this->tryQuery($sql_query_tz)) {
|
||
|
|
$error_message_tz = sprintf(
|
||
|
|
__(
|
||
|
|
'Unable to use timezone "%1$s" for server %2$d. '
|
||
|
|
. 'Please check your configuration setting for '
|
||
|
|
. '[em]$cfg[\'Servers\'][%3$d][\'SessionTimeZone\'][/em]. '
|
||
|
|
. 'phpMyAdmin is currently using the default time zone '
|
||
|
|
. 'of the database server.'
|
||
|
|
),
|
||
|
|
$GLOBALS['cfg']['Server']['SessionTimeZone'],
|
||
|
|
$GLOBALS['server'],
|
||
|
|
$GLOBALS['server']
|
||
|
|
);
|
||
|
|
|
||
|
|
trigger_error($error_message_tz, E_USER_WARNING);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Loads closest context to this version. */
|
||
|
|
Context::loadClosest(($this->isMariaDb ? 'MariaDb' : 'MySql') . $this->versionInt);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* the DatabaseList class as a stub for the ListDatabase class
|
||
|
|
*/
|
||
|
|
$GLOBALS['dblist'] = new DatabaseList();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets collation connection for user link
|
||
|
|
*
|
||
|
|
* @param string $collation collation to set
|
||
|
|
*/
|
||
|
|
public function setCollation(string $collation): void
|
||
|
|
{
|
||
|
|
$charset = $GLOBALS['charset_connection'];
|
||
|
|
/* Automatically adjust collation if not supported by server */
|
||
|
|
if ($charset === 'utf8' && str_starts_with($collation, 'utf8mb4_')) {
|
||
|
|
$collation = 'utf8_' . substr($collation, 8);
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = $this->tryQuery(
|
||
|
|
"SET collation_connection = '"
|
||
|
|
. $this->escapeString($collation)
|
||
|
|
. "';"
|
||
|
|
);
|
||
|
|
|
||
|
|
if ($result === false) {
|
||
|
|
trigger_error(
|
||
|
|
__('Failed to set configured collation connection!'),
|
||
|
|
E_USER_WARNING
|
||
|
|
);
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$GLOBALS['collation_connection'] = $collation;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Function called just after a connection to the MySQL database server has
|
||
|
|
* been established. It sets the connection collation, and determines the
|
||
|
|
* version of MySQL which is running.
|
||
|
|
*/
|
||
|
|
public function postConnectControl(Relation $relation): void
|
||
|
|
{
|
||
|
|
// If Zero configuration mode enabled, check PMA tables in current db.
|
||
|
|
if ($GLOBALS['cfg']['ZeroConf'] != true) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* the DatabaseList class as a stub for the ListDatabase class
|
||
|
|
*/
|
||
|
|
$GLOBALS['dblist'] = new DatabaseList();
|
||
|
|
|
||
|
|
$relation->initRelationParamsCache();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns a single value from the given result or query,
|
||
|
|
* if the query or the result has more than one row or field
|
||
|
|
* the first field of the first row is returned
|
||
|
|
*
|
||
|
|
* <code>
|
||
|
|
* $sql = 'SELECT `name` FROM `user` WHERE `id` = 123';
|
||
|
|
* $user_name = $dbi->fetchValue($sql);
|
||
|
|
* // produces
|
||
|
|
* // $user_name = 'John Doe'
|
||
|
|
* </code>
|
||
|
|
*
|
||
|
|
* @param string $query The query to execute
|
||
|
|
* @param int|string $field field to fetch the value from,
|
||
|
|
* starting at 0, with 0 being default
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return string|false|null value of first field in first row from result or false if not found
|
||
|
|
*/
|
||
|
|
public function fetchValue(
|
||
|
|
string $query,
|
||
|
|
$field = 0,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
) {
|
||
|
|
$result = $this->tryQuery($query, $link, self::QUERY_BUFFERED, false);
|
||
|
|
if ($result === false) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result->fetchValue($field);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns only the first row from the result or null if result is empty.
|
||
|
|
*
|
||
|
|
* <code>
|
||
|
|
* $sql = 'SELECT * FROM `user` WHERE `id` = 123';
|
||
|
|
* $user = $dbi->fetchSingleRow($sql);
|
||
|
|
* // produces
|
||
|
|
* // $user = array('id' => 123, 'name' => 'John Doe')
|
||
|
|
* </code>
|
||
|
|
*
|
||
|
|
* @param string $query The query to execute
|
||
|
|
* @param string $type NUM|ASSOC|BOTH returned array should either numeric
|
||
|
|
* associative or both
|
||
|
|
* @param int $link link type
|
||
|
|
* @psalm-param DatabaseInterface::FETCH_NUM|DatabaseInterface::FETCH_ASSOC $type
|
||
|
|
*/
|
||
|
|
public function fetchSingleRow(
|
||
|
|
string $query,
|
||
|
|
string $type = DbalInterface::FETCH_ASSOC,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): ?array {
|
||
|
|
$result = $this->tryQuery($query, $link, self::QUERY_BUFFERED, false);
|
||
|
|
if ($result === false) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->fetchByMode($result, $type) ?: null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns row or element of a row
|
||
|
|
*
|
||
|
|
* @param array|string $row Row to process
|
||
|
|
* @param string|int|null $value Which column to return
|
||
|
|
*
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
private function fetchValueOrValueByIndex($row, $value)
|
||
|
|
{
|
||
|
|
return $value === null ? $row : $row[$value];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns array of rows with numeric or associative keys
|
||
|
|
*
|
||
|
|
* @param ResultInterface $result result set identifier
|
||
|
|
* @param string $mode either self::FETCH_NUM, self::FETCH_ASSOC or self::FETCH_BOTH
|
||
|
|
* @psalm-param self::FETCH_NUM|self::FETCH_ASSOC $mode
|
||
|
|
*/
|
||
|
|
private function fetchByMode(ResultInterface $result, string $mode): array
|
||
|
|
{
|
||
|
|
if ($mode === self::FETCH_NUM) {
|
||
|
|
return $result->fetchRow();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result->fetchAssoc();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns all rows in the resultset in one array
|
||
|
|
*
|
||
|
|
* <code>
|
||
|
|
* $sql = 'SELECT * FROM `user`';
|
||
|
|
* $users = $dbi->fetchResult($sql);
|
||
|
|
* // produces
|
||
|
|
* // $users[] = array('id' => 123, 'name' => 'John Doe')
|
||
|
|
*
|
||
|
|
* $sql = 'SELECT `id`, `name` FROM `user`';
|
||
|
|
* $users = $dbi->fetchResult($sql, 'id');
|
||
|
|
* // produces
|
||
|
|
* // $users['123'] = array('id' => 123, 'name' => 'John Doe')
|
||
|
|
*
|
||
|
|
* $sql = 'SELECT `id`, `name` FROM `user`';
|
||
|
|
* $users = $dbi->fetchResult($sql, 0);
|
||
|
|
* // produces
|
||
|
|
* // $users['123'] = array(0 => 123, 1 => 'John Doe')
|
||
|
|
*
|
||
|
|
* $sql = 'SELECT `id`, `name` FROM `user`';
|
||
|
|
* $users = $dbi->fetchResult($sql, 'id', 'name');
|
||
|
|
* // or
|
||
|
|
* $users = $dbi->fetchResult($sql, 0, 1);
|
||
|
|
* // produces
|
||
|
|
* // $users['123'] = 'John Doe'
|
||
|
|
*
|
||
|
|
* $sql = 'SELECT `name` FROM `user`';
|
||
|
|
* $users = $dbi->fetchResult($sql);
|
||
|
|
* // produces
|
||
|
|
* // $users[] = 'John Doe'
|
||
|
|
*
|
||
|
|
* $sql = 'SELECT `group`, `name` FROM `user`'
|
||
|
|
* $users = $dbi->fetchResult($sql, array('group', null), 'name');
|
||
|
|
* // produces
|
||
|
|
* // $users['admin'][] = 'John Doe'
|
||
|
|
*
|
||
|
|
* $sql = 'SELECT `group`, `name` FROM `user`'
|
||
|
|
* $users = $dbi->fetchResult($sql, array('group', 'name'), 'id');
|
||
|
|
* // produces
|
||
|
|
* // $users['admin']['John Doe'] = '123'
|
||
|
|
* </code>
|
||
|
|
*
|
||
|
|
* @param string $query query to execute
|
||
|
|
* @param string|int|array|null $key field-name or offset
|
||
|
|
* used as key for array
|
||
|
|
* or array of those
|
||
|
|
* @param string|int|null $value value-name or offset
|
||
|
|
* used as value for array
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return array resultrows or values indexed by $key
|
||
|
|
*/
|
||
|
|
public function fetchResult(
|
||
|
|
string $query,
|
||
|
|
$key = null,
|
||
|
|
$value = null,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
$resultrows = [];
|
||
|
|
|
||
|
|
$result = $this->tryQuery($query, $link, self::QUERY_BUFFERED, false);
|
||
|
|
|
||
|
|
// return empty array if result is empty or false
|
||
|
|
if ($result === false) {
|
||
|
|
return $resultrows;
|
||
|
|
}
|
||
|
|
|
||
|
|
$fetch_function = self::FETCH_ASSOC;
|
||
|
|
|
||
|
|
if ($key === null) {
|
||
|
|
// no nested array if only one field is in result
|
||
|
|
if ($result->numFields() === 1) {
|
||
|
|
$value = 0;
|
||
|
|
$fetch_function = self::FETCH_NUM;
|
||
|
|
}
|
||
|
|
|
||
|
|
while ($row = $this->fetchByMode($result, $fetch_function)) {
|
||
|
|
$resultrows[] = $this->fetchValueOrValueByIndex($row, $value);
|
||
|
|
}
|
||
|
|
} elseif (is_array($key)) {
|
||
|
|
while ($row = $this->fetchByMode($result, $fetch_function)) {
|
||
|
|
$result_target =& $resultrows;
|
||
|
|
foreach ($key as $key_index) {
|
||
|
|
if ($key_index === null) {
|
||
|
|
$result_target =& $result_target[];
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! isset($result_target[$row[$key_index]])) {
|
||
|
|
$result_target[$row[$key_index]] = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
$result_target =& $result_target[$row[$key_index]];
|
||
|
|
}
|
||
|
|
|
||
|
|
$result_target = $this->fetchValueOrValueByIndex($row, $value);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// if $key is an integer use non associative mysql fetch function
|
||
|
|
if (is_int($key)) {
|
||
|
|
$fetch_function = self::FETCH_NUM;
|
||
|
|
}
|
||
|
|
|
||
|
|
while ($row = $this->fetchByMode($result, $fetch_function)) {
|
||
|
|
$resultrows[$row[$key]] = $this->fetchValueOrValueByIndex($row, $value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $resultrows;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get supported SQL compatibility modes
|
||
|
|
*
|
||
|
|
* @return array supported SQL compatibility modes
|
||
|
|
*/
|
||
|
|
public function getCompatibilities(): array
|
||
|
|
{
|
||
|
|
return [
|
||
|
|
'NONE',
|
||
|
|
'ANSI',
|
||
|
|
'DB2',
|
||
|
|
'MAXDB',
|
||
|
|
'MYSQL323',
|
||
|
|
'MYSQL40',
|
||
|
|
'MSSQL',
|
||
|
|
'ORACLE',
|
||
|
|
// removed; in MySQL 5.0.33, this produces exports that
|
||
|
|
// can't be read by POSTGRESQL (see our bug #1596328)
|
||
|
|
// 'POSTGRESQL',
|
||
|
|
'TRADITIONAL',
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns warnings for last query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return Warning[] warnings
|
||
|
|
*/
|
||
|
|
public function getWarnings($link = self::CONNECT_USER): array
|
||
|
|
{
|
||
|
|
$result = $this->tryQuery('SHOW WARNINGS', $link, 0, false);
|
||
|
|
if ($result === false) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
$warnings = [];
|
||
|
|
while ($row = $result->fetchAssoc()) {
|
||
|
|
$warnings[] = Warning::fromArray($row);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $warnings;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns an array of PROCEDURE or FUNCTION names for a db
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $which PROCEDURE | FUNCTION
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return array the procedure names or function names
|
||
|
|
*/
|
||
|
|
public function getProceduresOrFunctions(
|
||
|
|
string $db,
|
||
|
|
string $which,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): array {
|
||
|
|
$shows = $this->fetchResult('SHOW ' . $which . ' STATUS;', null, null, $link);
|
||
|
|
$result = [];
|
||
|
|
foreach ($shows as $one_show) {
|
||
|
|
if ($one_show['Db'] != $db || $one_show['Type'] != $which) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$result[] = $one_show['Name'];
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the definition of a specific PROCEDURE, FUNCTION, EVENT or VIEW
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $which PROCEDURE | FUNCTION | EVENT | VIEW
|
||
|
|
* @param string $name the procedure|function|event|view name
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return string|null the definition
|
||
|
|
*/
|
||
|
|
public function getDefinition(
|
||
|
|
string $db,
|
||
|
|
string $which,
|
||
|
|
string $name,
|
||
|
|
$link = self::CONNECT_USER
|
||
|
|
): ?string {
|
||
|
|
$returned_field = [
|
||
|
|
'PROCEDURE' => 'Create Procedure',
|
||
|
|
'FUNCTION' => 'Create Function',
|
||
|
|
'EVENT' => 'Create Event',
|
||
|
|
'VIEW' => 'Create View',
|
||
|
|
];
|
||
|
|
$query = 'SHOW CREATE ' . $which . ' '
|
||
|
|
. Util::backquote($db) . '.'
|
||
|
|
. Util::backquote($name);
|
||
|
|
$result = $this->fetchValue($query, $returned_field[$which], $link);
|
||
|
|
|
||
|
|
return is_string($result) ? $result : null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns details about the PROCEDUREs or FUNCTIONs for a specific database
|
||
|
|
* or details about a specific routine
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string|null $which PROCEDURE | FUNCTION or null for both
|
||
|
|
* @param string $name name of the routine (to fetch a specific routine)
|
||
|
|
*
|
||
|
|
* @return array information about PROCEDUREs or FUNCTIONs
|
||
|
|
*/
|
||
|
|
public function getRoutines(
|
||
|
|
string $db,
|
||
|
|
?string $which = null,
|
||
|
|
string $name = ''
|
||
|
|
): array {
|
||
|
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
$query = QueryGenerator::getInformationSchemaRoutinesRequest(
|
||
|
|
$this->escapeString($db),
|
||
|
|
isset($which) && in_array($which, ['FUNCTION', 'PROCEDURE']) ? $which : null,
|
||
|
|
empty($name) ? null : $this->escapeString($name)
|
||
|
|
);
|
||
|
|
$routines = $this->fetchResult($query);
|
||
|
|
} else {
|
||
|
|
$routines = [];
|
||
|
|
|
||
|
|
if ($which === 'FUNCTION' || $which == null) {
|
||
|
|
$query = 'SHOW FUNCTION STATUS'
|
||
|
|
. " WHERE `Db` = '" . $this->escapeString($db) . "'";
|
||
|
|
if ($name) {
|
||
|
|
$query .= " AND `Name` = '"
|
||
|
|
. $this->escapeString($name) . "'";
|
||
|
|
}
|
||
|
|
|
||
|
|
$routines = $this->fetchResult($query);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($which === 'PROCEDURE' || $which == null) {
|
||
|
|
$query = 'SHOW PROCEDURE STATUS'
|
||
|
|
. " WHERE `Db` = '" . $this->escapeString($db) . "'";
|
||
|
|
if ($name) {
|
||
|
|
$query .= " AND `Name` = '"
|
||
|
|
. $this->escapeString($name) . "'";
|
||
|
|
}
|
||
|
|
|
||
|
|
$routines = array_merge($routines, $this->fetchResult($query));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$ret = [];
|
||
|
|
foreach ($routines as $routine) {
|
||
|
|
$ret[] = [
|
||
|
|
'db' => $routine['Db'],
|
||
|
|
'name' => $routine['Name'],
|
||
|
|
'type' => $routine['Type'],
|
||
|
|
'definer' => $routine['Definer'],
|
||
|
|
'returns' => $routine['DTD_IDENTIFIER'] ?? '',
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sort results by name
|
||
|
|
$name = array_column($ret, 'name');
|
||
|
|
array_multisort($name, SORT_ASC, $ret);
|
||
|
|
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns details about the EVENTs for a specific database
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $name event name
|
||
|
|
*
|
||
|
|
* @return array information about EVENTs
|
||
|
|
*/
|
||
|
|
public function getEvents(string $db, string $name = ''): array
|
||
|
|
{
|
||
|
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
$query = QueryGenerator::getInformationSchemaEventsRequest(
|
||
|
|
$this->escapeString($db),
|
||
|
|
empty($name) ? null : $this->escapeString($name)
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
$query = 'SHOW EVENTS FROM ' . Util::backquote($db);
|
||
|
|
if ($name) {
|
||
|
|
$query .= " WHERE `Name` = '"
|
||
|
|
. $this->escapeString($name) . "'";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = [];
|
||
|
|
$events = $this->fetchResult($query);
|
||
|
|
|
||
|
|
foreach ($events as $event) {
|
||
|
|
$result[] = [
|
||
|
|
'name' => $event['Name'],
|
||
|
|
'type' => $event['Type'],
|
||
|
|
'status' => $event['Status'],
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sort results by name
|
||
|
|
$name = array_column($result, 'name');
|
||
|
|
array_multisort($name, SORT_ASC, $result);
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns details about the TRIGGERs for a specific table or database
|
||
|
|
*
|
||
|
|
* @param string $db db name
|
||
|
|
* @param string $table table name
|
||
|
|
* @param string $delimiter the delimiter to use (may be empty)
|
||
|
|
*
|
||
|
|
* @return array information about triggers (may be empty)
|
||
|
|
*/
|
||
|
|
public function getTriggers(string $db, string $table = '', string $delimiter = '//'): array
|
||
|
|
{
|
||
|
|
$result = [];
|
||
|
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
$query = QueryGenerator::getInformationSchemaTriggersRequest(
|
||
|
|
$this->escapeString($db),
|
||
|
|
empty($table) ? null : $this->escapeString($table)
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
$query = 'SHOW TRIGGERS FROM ' . Util::backquote($db);
|
||
|
|
if ($table) {
|
||
|
|
$query .= " LIKE '" . $this->escapeString($table) . "';";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$triggers = $this->fetchResult($query);
|
||
|
|
|
||
|
|
foreach ($triggers as $trigger) {
|
||
|
|
if ($GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
$trigger['TRIGGER_NAME'] = $trigger['Trigger'];
|
||
|
|
$trigger['ACTION_TIMING'] = $trigger['Timing'];
|
||
|
|
$trigger['EVENT_MANIPULATION'] = $trigger['Event'];
|
||
|
|
$trigger['EVENT_OBJECT_TABLE'] = $trigger['Table'];
|
||
|
|
$trigger['ACTION_STATEMENT'] = $trigger['Statement'];
|
||
|
|
$trigger['DEFINER'] = $trigger['Definer'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$one_result = [];
|
||
|
|
$one_result['name'] = $trigger['TRIGGER_NAME'];
|
||
|
|
$one_result['table'] = $trigger['EVENT_OBJECT_TABLE'];
|
||
|
|
$one_result['action_timing'] = $trigger['ACTION_TIMING'];
|
||
|
|
$one_result['event_manipulation'] = $trigger['EVENT_MANIPULATION'];
|
||
|
|
$one_result['definition'] = $trigger['ACTION_STATEMENT'];
|
||
|
|
$one_result['definer'] = $trigger['DEFINER'];
|
||
|
|
|
||
|
|
// do not prepend the schema name; this way, importing the
|
||
|
|
// definition into another schema will work
|
||
|
|
$one_result['full_trigger_name'] = Util::backquote($trigger['TRIGGER_NAME']);
|
||
|
|
$one_result['drop'] = 'DROP TRIGGER IF EXISTS '
|
||
|
|
. $one_result['full_trigger_name'];
|
||
|
|
$one_result['create'] = 'CREATE TRIGGER '
|
||
|
|
. $one_result['full_trigger_name'] . ' '
|
||
|
|
. $trigger['ACTION_TIMING'] . ' '
|
||
|
|
. $trigger['EVENT_MANIPULATION']
|
||
|
|
. ' ON ' . Util::backquote($trigger['EVENT_OBJECT_TABLE'])
|
||
|
|
. "\n" . ' FOR EACH ROW '
|
||
|
|
. $trigger['ACTION_STATEMENT'] . "\n" . $delimiter . "\n";
|
||
|
|
|
||
|
|
$result[] = $one_result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sort results by name
|
||
|
|
$name = array_column($result, 'name');
|
||
|
|
array_multisort($name, SORT_ASC, $result);
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* gets the current user with host
|
||
|
|
*
|
||
|
|
* @return string the current user i.e. user@host
|
||
|
|
*/
|
||
|
|
public function getCurrentUser(): string
|
||
|
|
{
|
||
|
|
if (SessionCache::has('mysql_cur_user')) {
|
||
|
|
return SessionCache::get('mysql_cur_user');
|
||
|
|
}
|
||
|
|
|
||
|
|
$user = $this->fetchValue('SELECT CURRENT_USER();');
|
||
|
|
if ($user !== false) {
|
||
|
|
SessionCache::set('mysql_cur_user', $user);
|
||
|
|
|
||
|
|
return $user;
|
||
|
|
}
|
||
|
|
|
||
|
|
return '@';
|
||
|
|
}
|
||
|
|
|
||
|
|
public function isSuperUser(): bool
|
||
|
|
{
|
||
|
|
if (SessionCache::has('is_superuser')) {
|
||
|
|
return (bool) SessionCache::get('is_superuser');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $this->isConnected()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = $this->tryQuery('SELECT 1 FROM mysql.user LIMIT 1');
|
||
|
|
$isSuperUser = false;
|
||
|
|
|
||
|
|
if ($result) {
|
||
|
|
$isSuperUser = (bool) $result->numRows();
|
||
|
|
}
|
||
|
|
|
||
|
|
SessionCache::set('is_superuser', $isSuperUser);
|
||
|
|
|
||
|
|
return $isSuperUser;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function isGrantUser(): bool
|
||
|
|
{
|
||
|
|
global $cfg;
|
||
|
|
|
||
|
|
if (SessionCache::has('is_grantuser')) {
|
||
|
|
return (bool) SessionCache::get('is_grantuser');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $this->isConnected()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$hasGrantPrivilege = false;
|
||
|
|
|
||
|
|
if ($cfg['Server']['DisableIS']) {
|
||
|
|
$grants = $this->getCurrentUserGrants();
|
||
|
|
|
||
|
|
foreach ($grants as $grant) {
|
||
|
|
if (str_contains($grant, 'WITH GRANT OPTION')) {
|
||
|
|
$hasGrantPrivilege = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
SessionCache::set('is_grantuser', $hasGrantPrivilege);
|
||
|
|
|
||
|
|
return $hasGrantPrivilege;
|
||
|
|
}
|
||
|
|
|
||
|
|
[$user, $host] = $this->getCurrentUserAndHost();
|
||
|
|
$query = QueryGenerator::getInformationSchemaDataForGranteeRequest($user, $host);
|
||
|
|
$result = $this->tryQuery($query);
|
||
|
|
|
||
|
|
if ($result) {
|
||
|
|
$hasGrantPrivilege = (bool) $result->numRows();
|
||
|
|
}
|
||
|
|
|
||
|
|
SessionCache::set('is_grantuser', $hasGrantPrivilege);
|
||
|
|
|
||
|
|
return $hasGrantPrivilege;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function isCreateUser(): bool
|
||
|
|
{
|
||
|
|
global $cfg;
|
||
|
|
|
||
|
|
if (SessionCache::has('is_createuser')) {
|
||
|
|
return (bool) SessionCache::get('is_createuser');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $this->isConnected()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$hasCreatePrivilege = false;
|
||
|
|
|
||
|
|
if ($cfg['Server']['DisableIS']) {
|
||
|
|
$grants = $this->getCurrentUserGrants();
|
||
|
|
|
||
|
|
foreach ($grants as $grant) {
|
||
|
|
if (str_contains($grant, 'ALL PRIVILEGES ON *.*') || str_contains($grant, 'CREATE USER')) {
|
||
|
|
$hasCreatePrivilege = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
SessionCache::set('is_createuser', $hasCreatePrivilege);
|
||
|
|
|
||
|
|
return $hasCreatePrivilege;
|
||
|
|
}
|
||
|
|
|
||
|
|
[$user, $host] = $this->getCurrentUserAndHost();
|
||
|
|
$query = QueryGenerator::getInformationSchemaDataForCreateRequest($user, $host);
|
||
|
|
$result = $this->tryQuery($query);
|
||
|
|
|
||
|
|
if ($result) {
|
||
|
|
$hasCreatePrivilege = (bool) $result->numRows();
|
||
|
|
}
|
||
|
|
|
||
|
|
SessionCache::set('is_createuser', $hasCreatePrivilege);
|
||
|
|
|
||
|
|
return $hasCreatePrivilege;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function isConnected(): bool
|
||
|
|
{
|
||
|
|
return isset($this->links[self::CONNECT_USER]);
|
||
|
|
}
|
||
|
|
|
||
|
|
private function getCurrentUserGrants(): array
|
||
|
|
{
|
||
|
|
return $this->fetchResult('SHOW GRANTS FOR CURRENT_USER();');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the current user and host
|
||
|
|
*
|
||
|
|
* @return array array of username and hostname
|
||
|
|
*/
|
||
|
|
public function getCurrentUserAndHost(): array
|
||
|
|
{
|
||
|
|
if (count($this->currentUser) === 0) {
|
||
|
|
$user = $this->getCurrentUser();
|
||
|
|
$this->currentUser = explode('@', $user);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->currentUser;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns value for lower_case_table_names variable
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function getLowerCaseNames()
|
||
|
|
{
|
||
|
|
if ($this->lowerCaseTableNames === null) {
|
||
|
|
$this->lowerCaseTableNames = $this->fetchValue('SELECT @@lower_case_table_names') ?: '';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->lowerCaseTableNames;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* connects to the database server
|
||
|
|
*
|
||
|
|
* @param int $mode Connection mode on of CONNECT_USER, CONNECT_CONTROL
|
||
|
|
* or CONNECT_AUXILIARY.
|
||
|
|
* @param array|null $server Server information like host/port/socket/persistent
|
||
|
|
* @param int|null $target How to store connection link, defaults to $mode
|
||
|
|
*
|
||
|
|
* @return mixed false on error or a connection object on success
|
||
|
|
*/
|
||
|
|
public function connect(int $mode, ?array $server = null, ?int $target = null)
|
||
|
|
{
|
||
|
|
[$user, $password, $server] = Config::getConnectionParams($mode, $server);
|
||
|
|
|
||
|
|
if ($target === null) {
|
||
|
|
$target = $mode;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($user === null || $password === null) {
|
||
|
|
trigger_error(
|
||
|
|
__('Missing connection parameters!'),
|
||
|
|
E_USER_WARNING
|
||
|
|
);
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Do not show location and backtrace for connection errors
|
||
|
|
$GLOBALS['errorHandler']->setHideLocation(true);
|
||
|
|
$result = $this->extension->connect($user, $password, $server);
|
||
|
|
$GLOBALS['errorHandler']->setHideLocation(false);
|
||
|
|
|
||
|
|
if ($result) {
|
||
|
|
$this->links[$target] = $result;
|
||
|
|
/* Run post connect for user connections */
|
||
|
|
if ($target == self::CONNECT_USER) {
|
||
|
|
$this->postConnect();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($mode == self::CONNECT_CONTROL) {
|
||
|
|
trigger_error(
|
||
|
|
__(
|
||
|
|
'Connection for controluser as defined in your configuration failed.'
|
||
|
|
),
|
||
|
|
E_USER_WARNING
|
||
|
|
);
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($mode == self::CONNECT_AUXILIARY) {
|
||
|
|
// Do not go back to main login if connection failed
|
||
|
|
// (currently used only in unit testing)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* selects given database
|
||
|
|
*
|
||
|
|
* @param string|DatabaseName $dbname database name to select
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function selectDb($dbname, $link = self::CONNECT_USER): bool
|
||
|
|
{
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->selectDb($dbname, $this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if there are any more query results from a multi query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function moreResults($link = self::CONNECT_USER): bool
|
||
|
|
{
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->moreResults($this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare next result from multi_query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function nextResult($link = self::CONNECT_USER): bool
|
||
|
|
{
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->nextResult($this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Store the result returned from multi query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return ResultInterface|false false when empty results / result set when not empty
|
||
|
|
*/
|
||
|
|
public function storeResult($link = self::CONNECT_USER)
|
||
|
|
{
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->storeResult($this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a string representing the type of connection used
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return string|bool type of connection used
|
||
|
|
*/
|
||
|
|
public function getHostInfo($link = self::CONNECT_USER)
|
||
|
|
{
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->getHostInfo($this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the version of the MySQL protocol used
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*
|
||
|
|
* @return int|bool version of the MySQL protocol used
|
||
|
|
*/
|
||
|
|
public function getProtoInfo($link = self::CONNECT_USER)
|
||
|
|
{
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->getProtoInfo($this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns a string that represents the client library version
|
||
|
|
*
|
||
|
|
* @return string MySQL client library version
|
||
|
|
*/
|
||
|
|
public function getClientInfo(): string
|
||
|
|
{
|
||
|
|
return $this->extension->getClientInfo();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns last error message or an empty string if no errors occurred.
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function getError($link = self::CONNECT_USER): string
|
||
|
|
{
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->getError($this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the number of rows returned by last query
|
||
|
|
* used with tryQuery as it accepts false
|
||
|
|
*
|
||
|
|
* @param string $query query to run
|
||
|
|
*
|
||
|
|
* @return string|int
|
||
|
|
* @psalm-return int|numeric-string
|
||
|
|
*/
|
||
|
|
public function queryAndGetNumRows(string $query)
|
||
|
|
{
|
||
|
|
$result = $this->tryQuery($query);
|
||
|
|
|
||
|
|
if (! $result) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result->numRows();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns last inserted auto_increment id for given $link
|
||
|
|
* or $GLOBALS['userlink']
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
*/
|
||
|
|
public function insertId($link = self::CONNECT_USER): int
|
||
|
|
{
|
||
|
|
// If the primary key is BIGINT we get an incorrect result
|
||
|
|
// (sometimes negative, sometimes positive)
|
||
|
|
// and in the present function we don't know if the PK is BIGINT
|
||
|
|
// so better play safe and use LAST_INSERT_ID()
|
||
|
|
//
|
||
|
|
// When no controluser is defined, using mysqli_insert_id($link)
|
||
|
|
// does not always return the last insert id due to a mixup with
|
||
|
|
// the tracking mechanism, but this works:
|
||
|
|
return (int) $this->fetchValue('SELECT LAST_INSERT_ID();', 0, $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the number of rows affected by last query
|
||
|
|
*
|
||
|
|
* @param int $link link type
|
||
|
|
* @param bool $get_from_cache whether to retrieve from cache
|
||
|
|
*
|
||
|
|
* @return int|string
|
||
|
|
* @psalm-return int|numeric-string
|
||
|
|
*/
|
||
|
|
public function affectedRows(
|
||
|
|
$link = self::CONNECT_USER,
|
||
|
|
bool $get_from_cache = true
|
||
|
|
) {
|
||
|
|
if (! isset($this->links[$link])) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($get_from_cache) {
|
||
|
|
return $GLOBALS['cached_affected_rows'];
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->affectedRows($this->links[$link]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns metainfo for fields in $result
|
||
|
|
*
|
||
|
|
* @param ResultInterface $result result set identifier
|
||
|
|
*
|
||
|
|
* @return FieldMetadata[] meta info for fields in $result
|
||
|
|
*/
|
||
|
|
public function getFieldsMeta(ResultInterface $result): array
|
||
|
|
{
|
||
|
|
$fields = $result->getFieldsMeta();
|
||
|
|
|
||
|
|
if ($this->getLowerCaseNames() === '2') {
|
||
|
|
/**
|
||
|
|
* Fixup orgtable for lower_case_table_names = 2
|
||
|
|
*
|
||
|
|
* In this setup MySQL server reports table name lower case
|
||
|
|
* but we still need to operate on original case to properly
|
||
|
|
* match existing strings
|
||
|
|
*/
|
||
|
|
foreach ($fields as $value) {
|
||
|
|
if (
|
||
|
|
strlen($value->orgtable) === 0 ||
|
||
|
|
mb_strtolower($value->orgtable) !== mb_strtolower($value->table)
|
||
|
|
) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$value->orgtable = $value->table;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $fields;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns properly escaped string for use in MySQL queries
|
||
|
|
*
|
||
|
|
* @param string $str string to be escaped
|
||
|
|
* @param mixed $link optional database link to use
|
||
|
|
*
|
||
|
|
* @return string a MySQL escaped string
|
||
|
|
*/
|
||
|
|
public function escapeString(string $str, $link = self::CONNECT_USER)
|
||
|
|
{
|
||
|
|
if ($this->extension === null || ! isset($this->links[$link])) {
|
||
|
|
return $str;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->extension->escapeString($this->links[$link], $str);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns properly escaped string for use in MySQL LIKE clauses
|
||
|
|
*
|
||
|
|
* @param string $str string to be escaped
|
||
|
|
* @param int $link optional database link to use
|
||
|
|
*
|
||
|
|
* @return string a MySQL escaped LIKE string
|
||
|
|
*/
|
||
|
|
public function escapeMysqlLikeString(string $str, int $link = self::CONNECT_USER)
|
||
|
|
{
|
||
|
|
return $this->escapeString(strtr($str, ['\\' => '\\\\', '_' => '\\_', '%' => '\\%']), $link);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if this database server is running on Amazon RDS.
|
||
|
|
*/
|
||
|
|
public function isAmazonRds(): bool
|
||
|
|
{
|
||
|
|
if (SessionCache::has('is_amazon_rds')) {
|
||
|
|
return (bool) SessionCache::get('is_amazon_rds');
|
||
|
|
}
|
||
|
|
|
||
|
|
$sql = 'SELECT @@basedir';
|
||
|
|
$result = (string) $this->fetchValue($sql);
|
||
|
|
$rds = str_starts_with($result, '/rdsdbbin/');
|
||
|
|
SessionCache::set('is_amazon_rds', $rds);
|
||
|
|
|
||
|
|
return $rds;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets SQL for killing a process.
|
||
|
|
*
|
||
|
|
* @param int $process Process ID
|
||
|
|
*/
|
||
|
|
public function getKillQuery(int $process): string
|
||
|
|
{
|
||
|
|
if ($this->isAmazonRds()) {
|
||
|
|
return 'CALL mysql.rds_kill(' . $process . ');';
|
||
|
|
}
|
||
|
|
|
||
|
|
return 'KILL ' . $process . ';';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the phpmyadmin database manager
|
||
|
|
*/
|
||
|
|
public function getSystemDatabase(): SystemDatabase
|
||
|
|
{
|
||
|
|
return new SystemDatabase($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a table with database name and table name
|
||
|
|
*
|
||
|
|
* @param string $db_name DB name
|
||
|
|
* @param string $table_name Table name
|
||
|
|
*/
|
||
|
|
public function getTable(string $db_name, string $table_name): Table
|
||
|
|
{
|
||
|
|
return new Table($table_name, $db_name, $this);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns collation of given db
|
||
|
|
*
|
||
|
|
* @param string $db name of db
|
||
|
|
*
|
||
|
|
* @return string collation of $db
|
||
|
|
*/
|
||
|
|
public function getDbCollation(string $db): string
|
||
|
|
{
|
||
|
|
if (Utilities::isSystemSchema($db)) {
|
||
|
|
// We don't have to check the collation of the virtual
|
||
|
|
// information_schema database: We know it!
|
||
|
|
return 'utf8_general_ci';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! $GLOBALS['cfg']['Server']['DisableIS']) {
|
||
|
|
// this is slow with thousands of databases
|
||
|
|
$sql = 'SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA'
|
||
|
|
. ' WHERE SCHEMA_NAME = \'' . $this->escapeString($db)
|
||
|
|
. '\' LIMIT 1';
|
||
|
|
|
||
|
|
return (string) $this->fetchValue($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->selectDb($db);
|
||
|
|
$return = (string) $this->fetchValue('SELECT @@collation_database');
|
||
|
|
if ($db !== $GLOBALS['db']) {
|
||
|
|
$this->selectDb($GLOBALS['db']);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns default server collation from show variables
|
||
|
|
*/
|
||
|
|
public function getServerCollation(): string
|
||
|
|
{
|
||
|
|
return (string) $this->fetchValue('SELECT @@collation_server');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server version as number
|
||
|
|
*
|
||
|
|
* @example 80011
|
||
|
|
*/
|
||
|
|
public function getVersion(): int
|
||
|
|
{
|
||
|
|
return $this->versionInt;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server version
|
||
|
|
*/
|
||
|
|
public function getVersionString(): string
|
||
|
|
{
|
||
|
|
return $this->versionString;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Server version comment
|
||
|
|
*/
|
||
|
|
public function getVersionComment(): string
|
||
|
|
{
|
||
|
|
return $this->versionComment;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Whether connection is MariaDB
|
||
|
|
*/
|
||
|
|
public function isMariaDB(): bool
|
||
|
|
{
|
||
|
|
return $this->isMariaDb;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Whether connection is PerconaDB
|
||
|
|
*/
|
||
|
|
public function isPercona(): bool
|
||
|
|
{
|
||
|
|
return $this->isPercona;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load correct database driver
|
||
|
|
*
|
||
|
|
* @param DbiExtension|null $extension Force the use of an alternative extension
|
||
|
|
*/
|
||
|
|
public static function load(?DbiExtension $extension = null): self
|
||
|
|
{
|
||
|
|
if ($extension !== null) {
|
||
|
|
return new self($extension);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (! Util::checkDbExtension('mysqli')) {
|
||
|
|
$docLink = sprintf(
|
||
|
|
__('See %sour documentation%s for more information.'),
|
||
|
|
'[doc@faqmysql]',
|
||
|
|
'[/doc]'
|
||
|
|
);
|
||
|
|
Core::warnMissingExtension('mysqli', true, $docLink);
|
||
|
|
}
|
||
|
|
|
||
|
|
return new self(new DbiMysqli());
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare an SQL statement for execution.
|
||
|
|
*
|
||
|
|
* @param string $query The query, as a string.
|
||
|
|
* @param int $link Link type.
|
||
|
|
*
|
||
|
|
* @return object|false A statement object or false.
|
||
|
|
*/
|
||
|
|
public function prepare(string $query, $link = self::CONNECT_USER)
|
||
|
|
{
|
||
|
|
return $this->extension->prepare($this->links[$link], $query);
|
||
|
|
}
|
||
|
|
}
|