<?php
require_once('config.php');
function parseGrant($grant) {
if (preg_match("/GRANT (.*?) ON `(.*?)`\.`(.*?)`(?: \((.*?)\))?/", $grant, $matches)) {
$permissions = preg_replace("/\(.*?\)/", "", $matches[1]);
$database = htmlspecialchars($matches[2]);
$table = htmlspecialchars($matches[3]);
$columns = !empty($matches[4]) ? array_map('htmlspecialchars', array_map('trim', explode(',', $matches[4]))) : ["-"];
return [$permissions, $database, $table, $columns];
} elseif (preg_match("/GRANT (.*?) ON `(.*?)`\.\*/", $grant, $matches)) {
$permissions = preg_replace("/\(.*?\)/", "", $matches[1]);
$database = htmlspecialchars($matches[2]);
return [$permissions, $database, "Minden tábla", ["-"]];
}
return ["Ismeretlen", "-", "-", ["-"]];
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<?php if(!isset($_POST["user"])) {
?>
<form action="" method="POST">
<label>felhasználó neve: </label>
<input type="text" name="user">
<button type="submit">Felhasználó adatainak megjelenítése</button>
</form>
<?php } else {
$sql = "SHOW GRANTS FOR ".$_POST["user"].";";
$result = $conn->query($sql);
if ($result) {
echo "<table border='1'>";
echo "<tr><th>Felhasználó</th><th>Jogosultság</th><th>Adatbázis</th><th>Tábla</th><th>Oszlop</th></tr>";
while ($row = $result->fetch_array(MYSQLI_NUM)) {
foreach ($row as $grant) {
list($permissions, $database, $table, $columns) = parseGrant($grant);
echo "<tr>";
echo "<td>" . htmlspecialchars($_POST["user"]) . "</td>";
echo "<td>" . htmlspecialchars($permissions) . "</td>";
echo "<td>" . htmlspecialchars($database) . "</td>";
echo "<td>" . htmlspecialchars($table) . "</td>";
echo "<td>" . htmlspecialchars(implode(", ", $columns)) . "</td>";
echo "</tr>";
}
}
echo "</table>";
} else {
echo "Hiba a lekérdezésben: " . $conn->error;
}
$conn->close();
}
?>
</body>
</html>