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install.php
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<?php
function generateRandomString($length = 16) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
return $randomString;
}
// 生成16位的随机字符串
$random_name = generateRandomString();
// 加密随机字符串
$encrypted_name = md5($random_name);
// 拼接数据库文件路径
$db_file = $encrypted_name . '.db';
// 创建 SQLite 数据库
$db = new SQLite3($db_file);
// 创建 users 表格，如果不存在的话
$db->exec('CREATE TABLE IF NOT EXISTS users (username VARCHAR PRIMARY KEY, password VARCHAR)');
if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['submit'])) {
// 用户输入的用户名和密码
$username = $_POST['username'];
$password = $_POST['password'];
// 添加用户到数据库
$hashed_password = password_hash($password, PASSWORD_DEFAULT);
$stmt = $db->prepare('INSERT OR IGNORE INTO users (username, password) VALUES (:username, :password)');
$stmt->bindValue(':username', $username, SQLITE3_TEXT);
$stmt->bindValue(':password', $hashed_password, SQLITE3_TEXT);
$stmt->execute();
// 修改 index.php 文件中的数据库文件名
$index_file = 'index.php';
$index_content = file_get_contents($index_file);
$index_content = preg_replace("/(\$db\s*=\s*new\s*SQLite3\(')([^']+)('\);)/", "$1$db_file$3", $index_content);
file_put_contents($index_file, $index_content);
// 安装完成后，重命名当前文件
$new_file_name = 'installed_' . $encrypted_name . '.php';
rename(__FILE__, $new_file_name);
// 创建成功后重定向到登录页面
header("Location: index.php");
exit();
}
?>
<!DOCTYPE html>
<html>
<head>
<title>安装</title>
</head>
<body>
<h2>创建管理员账户</h2>
<form method="post">
<label for="username">用户名:</label>
<input type="text" id="username" name="username" required>
<br><br>
<label for="password">密码:</label>
<input type="password" id="password" name="password" required>
<br><br>
<button type="submit" name="submit">创建</button>
</form>
</body>
</html>