Gecko [ 8.222.176.185 ]

Name	Size	Permission
Charsets	[ DIR ]	drwxrwxrwx
Command	[ DIR ]	drwxrwxrwx
Config	[ DIR ]	drwxrwxrwx
ConfigStorage	[ DIR ]	drwxrwxrwx
Controllers	[ DIR ]	drwxrwxrwx
Crypto	[ DIR ]	drwxrwxrwx
Database	[ DIR ]	drwxrwxrwx
Dbal	[ DIR ]	drwxrwxrwx
Display	[ DIR ]	drwxrwxrwx
Engines	[ DIR ]	drwxrwxrwx
Exceptions	[ DIR ]	drwxrwxrwx
Export	[ DIR ]	drwxrwxrwx
Gis	[ DIR ]	drwxrwxrwx
Html	[ DIR ]	drwxrwxrwx
Http	[ DIR ]	drwxrwxrwx
Image	[ DIR ]	drwxrwxrwx
Import	[ DIR ]	drwxrwxrwx
Navigation	[ DIR ]	drwxrwxrwx
Partitioning	[ DIR ]	drwxrwxrwx
Plugins	[ DIR ]	drwxrwxrwx
Properties	[ DIR ]	drwxrwxrwx
Providers	[ DIR ]	drwxrwxrwx
Query	[ DIR ]	drwxrwxrwx
Server	[ DIR ]	drwxrwxrwx
Setup	[ DIR ]	drwxrwxrwx
Table	[ DIR ]	drwxrwxrwx
Twig	[ DIR ]	drwxrwxrwx
Utils	[ DIR ]	drwxrwxrwx
WebAuthn	[ DIR ]	drwxrwxrwx
Advisor.php	12.32 KB	-rw-rw-rw-
Bookmark.php	9.19 KB	-rw-rw-rw-
BrowseForeigners.php	10.63 KB	-rw-rw-rw-
Cache.php	1.5 KB	-rw-rw-rw-
Charsets.php	6.82 KB	-rw-rw-rw-
CheckUserPrivileges.php	11.3 KB	-rw-rw-rw-
Common.php	19.4 KB	-rw-rw-rw-
Config.php	41.65 KB	-rw-rw-rw-
Console.php	3.25 KB	-rw-rw-rw-
Core.php	28.91 KB	-rw-rw-rw-
CreateAddField.php	15.83 KB	-rw-rw-rw-
DatabaseInterface.php	71.73 KB	-rw-rw-rw-
DbTableExists.php	2.86 KB	-rw-rw-rw-
Encoding.php	8.41 KB	-rw-rw-rw-
Error.php	13.63 KB	-rw-rw-rw-
ErrorHandler.php	18.63 KB	-rw-rw-rw-
ErrorReport.php	8.99 KB	-rw-rw-rw-
Export.php	45.7 KB	-rw-rw-rw-
FieldMetadata.php	11.11 KB	-rw-rw-rw-
File.php	19.75 KB	-rw-rw-rw-
FileListing.php	2.88 KB	-rw-rw-rw-
FlashMessages.php	1.22 KB	-rw-rw-rw-
Font.php	5.58 KB	-rw-rw-rw-
Footer.php	8.06 KB	-rw-rw-rw-
Git.php	18 KB	-rw-rw-rw-
Header.php	20 KB	-rw-rw-rw-
Import.php	48.72 KB	-rw-rw-rw-
Index.php	14.83 KB	-rw-rw-rw-
IndexColumn.php	4.75 KB	-rw-rw-rw-
InsertEdit.php	89.05 KB	-rw-rw-rw-
InternalRelations.php	17.31 KB	-rw-rw-rw-
IpAllowDeny.php	9.13 KB	-rw-rw-rw-
Language.php	4.47 KB	-rw-rw-rw-
LanguageManager.php	22.74 KB	-rw-rw-rw-
Linter.php	4.99 KB	-rw-rw-rw-
ListAbstract.php	1.67 KB	-rw-rw-rw-
ListDatabase.php	4.11 KB	-rw-rw-rw-
Logging.php	2.69 KB	-rw-rw-rw-
Menu.php	20.4 KB	-rw-rw-rw-
Message.php	18.68 KB	-rw-rw-rw-
Mime.php	918 B	-rw-rw-rw-
Normalization.php	41.53 KB	-rw-rw-rw-
OpenDocument.php	8.62 KB	-rw-rw-rw-
Operations.php	35.11 KB	-rw-rw-rw-
OutputBuffering.php	4.1 KB	-rw-rw-rw-
ParseAnalyze.php	2.34 KB	-rw-rw-rw-
Pdf.php	4.17 KB	-rw-rw-rw-
Plugins.php	21.83 KB	-rw-rw-rw-
Profiling.php	2.16 KB	-rw-rw-rw-
RecentFavoriteTable.php	11.44 KB	-rw-rw-rw-
Replication.php	4.81 KB	-rw-rw-rw-
ReplicationGui.php	21.24 KB	-rw-rw-rw-
ReplicationInfo.php	4.79 KB	-rw-rw-rw-
ResponseRenderer.php	13.5 KB	-rw-rw-rw-
Routing.php	6.55 KB	-rw-rw-rw-
Sanitize.php	11.98 KB	-rw-rw-rw-
SavedSearches.php	11.33 KB	-rw-rw-rw-
Scripts.php	3.74 KB	-rw-rw-rw-
Session.php	8.16 KB	-rw-rw-rw-
Sql.php	64.01 KB	-rw-rw-rw-
SqlQueryForm.php	6.74 KB	-rw-rw-rw-
StorageEngine.php	15.71 KB	-rw-rw-rw-
SystemDatabase.php	3.98 KB	-rw-rw-rw-
Table.php	90.33 KB	-rw-rw-rw-
Template.php	4.5 KB	-rw-rw-rw-
Theme.php	7.32 KB	-rw-rw-rw-
ThemeManager.php	7 KB	-rw-rw-rw-
Tracker.php	30.34 KB	-rw-rw-rw-
Tracking.php	36.11 KB	-rw-rw-rw-
Transformations.php	16.31 KB	-rw-rw-rw-
TwoFactor.php	7.49 KB	-rw-rw-rw-
Types.php	25.85 KB	-rw-rw-rw-
Url.php	10.61 KB	-rw-rw-rw-
UrlRedirector.php	1.74 KB	-rw-rw-rw-
UserPassword.php	6.86 KB	-rw-rw-rw-
UserPreferences.php	10.49 KB	-rw-rw-rw-
Util.php	86.45 KB	-rw-rw-rw-
Version.php	556 B	-rw-rw-rw-
VersionInformation.php	7.3 KB	-rw-rw-rw-
ZipExtension.php	10.33 KB	-rw-rw-rw-

Code Editor : Advisor.php

<?php

declare(strict_types=1);

namespace PhpMyAdmin;

use PhpMyAdmin\Server\SysInfo\SysInfo;
use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
use Throwable;

use function __;
use function array_merge;
use function htmlspecialchars;
use function implode;
use function preg_match;
use function preg_replace_callback;
use function round;
use function sprintf;
use function str_contains;
use function substr;
use function vsprintf;

/**
 * A simple rules engine, that executes the rules in the advisory_rules files.
 */
class Advisor
{
    private const GENERIC_RULES_FILE = 'libraries/advisory_rules_generic.php';
    private const BEFORE_MYSQL80003_RULES_FILE = 'libraries/advisory_rules_mysql_before80003.php';

/** @var DatabaseInterface */
    private $dbi;

/** @var array */
    private $variables;

/** @var array */
    private $globals;

/** @var array */
    private $rules;

/** @var array */
    private $runResult;

/** @var ExpressionLanguage */
    private $expression;

/**
     * @param DatabaseInterface  $dbi        DatabaseInterface object
     * @param ExpressionLanguage $expression ExpressionLanguage object
     */
    public function __construct(DatabaseInterface $dbi, ExpressionLanguage $expression)
    {
        $this->dbi = $dbi;
        $this->expression = $expression;
        /*
         * Register functions for ExpressionLanguage, we intentionally
         * do not implement support for compile as we do not use it.
         */
        $this->expression->register(
            'round',
            static function (): void {
            },
            /**
             * @param array $arguments
             * @param float $num
             */
            static function ($arguments, $num) {
                return round($num);
            }
        );
        $this->expression->register(
            'substr',
            static function (): void {
            },
            /**
             * @param array $arguments
             * @param string $string
             * @param int $start
             * @param int $length
             */
            static function ($arguments, $string, $start, $length) {
                return substr($string, $start, $length);
            }
        );
        $this->expression->register(
            'preg_match',
            static function (): void {
            },
            /**
             * @param array $arguments
             * @param string $pattern
             * @param string $subject
             */
            static function ($arguments, $pattern, $subject) {
                return preg_match($pattern, $subject);
            }
        );
        $this->expression->register(
            'ADVISOR_bytime',
            static function (): void {
            },
            /**
             * @param array $arguments
             * @param float $num
             * @param int $precision
             */
            static function ($arguments, $num, $precision) {
                return self::byTime($num, $precision);
            }
        );
        $this->expression->register(
            'ADVISOR_timespanFormat',
            static function (): void {
            },
            /**
             * @param array $arguments
             * @param string $seconds
             */
            static function ($arguments, $seconds) {
                return Util::timespanFormat((int) $seconds);
            }
        );
        $this->expression->register(
            'ADVISOR_formatByteDown',
            static function (): void {
            },
            /**
             * @param array $arguments
             * @param int $value
             * @param int $limes
             * @param int $comma
             */
            static function ($arguments, $value, $limes = 6, $comma = 0) {
                return implode(' ', (array) Util::formatByteDown($value, $limes, $comma));
            }
        );
        $this->expression->register(
            'fired',
            static function (): void {
            },
            /**
             * @param array $arguments
             * @param int $value
             */
            function ($arguments, $value) {
                if (! isset($this->runResult['fired'])) {
                    return 0;
                }

// Did matching rule fire?
                foreach ($this->runResult['fired'] as $rule) {
                    if ($rule['id'] == $value) {
                        return '1';
                    }
                }

return '0';
            }
        );
        /* Some global variables for advisor */
        $this->globals = [
            'PMA_MYSQL_INT_VERSION' => $this->dbi->getVersion(),
            'IS_MARIADB' => $this->dbi->isMariaDB(),
        ];
    }

private function setVariables(): void
    {
        $globalStatus = $this->dbi->fetchResult('SHOW GLOBAL STATUS', 0, 1);
        $globalVariables = $this->dbi->fetchResult('SHOW GLOBAL VARIABLES', 0, 1);

$sysInfo = SysInfo::get();
        $memory = $sysInfo->memory();
        $systemMemory = ['system_memory' => $memory['MemTotal'] ?? 0];

$this->variables = array_merge($globalStatus, $globalVariables, $systemMemory);
    }

/**
     * @param string|int $variable Variable to set
     * @param mixed      $value    Value to set
     */
    public function setVariable($variable, $value): void
    {
        $this->variables[$variable] = $value;
    }

private function setRules(): void
    {
        $isMariaDB = str_contains($this->variables['version'], 'MariaDB');
        $genericRules = include ROOT_PATH . self::GENERIC_RULES_FILE;

if (! $isMariaDB && $this->globals['PMA_MYSQL_INT_VERSION'] >= 80003) {
            $this->rules = $genericRules;

return;
        }

$extraRules = include ROOT_PATH . self::BEFORE_MYSQL80003_RULES_FILE;
        $this->rules = array_merge($genericRules, $extraRules);
    }

/**
     * @return array
     */
    public function getRunResult(): array
    {
        return $this->runResult;
    }

/**
     * @return array
     */
    public function run(): array
    {
        $this->setVariables();
        $this->setRules();
        $this->runRules();

return $this->runResult;
    }

/**
     * Stores current error in run results.
     *
     * @param string    $description description of an error.
     * @param Throwable $exception   exception raised
     */
    private function storeError(string $description, Throwable $exception): void
    {
        $this->runResult['errors'][] = $description . ' ' . sprintf(
            __('Error when evaluating: %s'),
            $exception->getMessage()
        );
    }

/**
     * Executes advisor rules
     */
    private function runRules(): void
    {
        $this->runResult = [
            'fired' => [],
            'notfired' => [],
            'unchecked' => [],
            'errors' => [],
        ];

foreach ($this->rules as $rule) {
            $this->variables['value'] = 0;
            $precondition = true;

if (isset($rule['precondition'])) {
                try {
                    $precondition = $this->evaluateRuleExpression($rule['precondition']);
                } catch (Throwable $e) {
                    $this->storeError(
                        sprintf(
                            __('Failed evaluating precondition for rule \'%s\'.'),
                            $rule['name']
                        ),
                        $e
                    );
                    continue;
                }
            }

if (! $precondition) {
                $this->addRule('unchecked', $rule);

continue;
            }

try {
                $value = $this->evaluateRuleExpression($rule['formula']);
            } catch (Throwable $e) {
                $this->storeError(
                    sprintf(
                        __('Failed calculating value for rule \'%s\'.'),
                        $rule['name']
                    ),
                    $e
                );
                continue;
            }

$this->variables['value'] = $value;

try {
                if ($this->evaluateRuleExpression($rule['test'])) {
                    $this->addRule('fired', $rule);
                } else {
                    $this->addRule('notfired', $rule);
                }
            } catch (Throwable $e) {
                $this->storeError(
                    sprintf(
                        __('Failed running test for rule \'%s\'.'),
                        $rule['name']
                    ),
                    $e
                );
            }
        }
    }

/**
     * Adds a rule to the result list
     *
     * @param string $type type of rule
     * @param array  $rule rule itself
     */
    public function addRule(string $type, array $rule): void
    {
        if ($type !== 'notfired' && $type !== 'fired') {
            $this->runResult[$type][] = $rule;

return;
        }

if (isset($rule['justification_formula'])) {
            try {
                $params = $this->evaluateRuleExpression('[' . $rule['justification_formula'] . ']');
            } catch (Throwable $e) {
                $this->storeError(
                    sprintf(__('Failed formatting string for rule \'%s\'.'), $rule['name']),
                    $e
                );

return;
            }

$rule['justification'] = vsprintf($rule['justification'], $params);
        }

// Replaces {server_variable} with 'server_variable'
        // linking to /server/variables
        $rule['recommendation'] = preg_replace_callback(
            '/\{([a-z_0-9]+)\}/Ui',
            function (array $matches) {
                return $this->replaceVariable($matches);
            },
            $rule['recommendation']
        );
        $rule['issue'] = preg_replace_callback(
            '/\{([a-z_0-9]+)\}/Ui',
            function (array $matches) {
                return $this->replaceVariable($matches);
            },
            $rule['issue']
        );

// Replaces external Links with Core::linkURL() generated links
        $rule['recommendation'] = preg_replace_callback(
            '#href=("|\')(https?://[^"\']+)\1#i',
            function (array $matches) {
                return $this->replaceLinkURL($matches);
            },
            $rule['recommendation']
        );

$this->runResult[$type][] = $rule;
    }

/**
     * Callback for wrapping links with Core::linkURL
     *
     * @param array $matches List of matched elements form preg_replace_callback
     *
     * @return string Replacement value
     */
    private function replaceLinkURL(array $matches): string
    {
        return 'href="' . Core::linkURL($matches[2]) . '" target="_blank" rel="noopener noreferrer"';
    }

/**
     * Callback for wrapping variable edit links
     *
     * @param array $matches List of matched elements form preg_replace_callback
     *
     * @return string Replacement value
     */
    private function replaceVariable(array $matches): string
    {
        return '<a href="' . Url::getFromRoute('/server/variables', ['filter' => $matches[1]])
                . '">' . htmlspecialchars($matches[1]) . '</a>';
    }

/**
     * Runs a code expression, replacing variable names with their respective values
     *
     * @return mixed result of evaluated expression
     */
    private function evaluateRuleExpression(string $expression)
    {
        return $this->expression->evaluate($expression, array_merge($this->variables, $this->globals));
    }

/**
     * Formats interval like 10 per hour
     *
     * @param float $num       number to format
     * @param int   $precision required precision
     *
     * @return string formatted string
     */
    public static function byTime(float $num, int $precision): string
    {
        if ($num >= 1) { // per second
            $per = __('per second');
        } elseif ($num * 60 >= 1) { // per minute
            $num *= 60;
            $per = __('per minute');
        } elseif ($num * 60 * 60 >= 1) { // per hour
            $num *= 60 * 60;
            $per = __('per hour');
        } else {
            $num *= 24 * 60 * 60;
            $per = __('per day');
        }

$num = round($num, $precision);

if ($num == 0) {
            $num = '<' . 10 ** (-$precision);
        }

return $num . ' ' . $per;
    }
}

${this.title}

Code Editor : Advisor.php