feat: 后端: 在建立 SSH 连接时应用代理配置
This commit is contained in:
@@ -23,7 +23,8 @@ interface ConnectionInfoBase {
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* 创建新连接 (POST /api/v1/connections)
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*/
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export const createConnection = async (req: Request, res: Response): Promise<void> => {
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const { name, host, port = 22, username, auth_method, password, private_key, passphrase } = req.body;
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// 新增 proxy_id
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const { name, host, port = 22, username, auth_method, password, private_key, passphrase, proxy_id } = req.body;
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const userId = req.session.userId; // 从会话获取用户 ID
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// 输入验证 (基础)
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@@ -67,13 +68,14 @@ export const createConnection = async (req: Request, res: Response): Promise<voi
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// 插入数据库
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const result = await new Promise<{ lastID: number }>((resolve, reject) => {
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const stmt = db.prepare(
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`INSERT INTO connections (name, host, port, username, auth_method, encrypted_password, encrypted_private_key, encrypted_passphrase, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`
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`INSERT INTO connections (name, host, port, username, auth_method, encrypted_password, encrypted_private_key, encrypted_passphrase, proxy_id, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)` // 添加 proxy_id
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);
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// 注意:这里没有存储 userId,因为 MVP 只有一个用户。如果未来支持多用户,需要添加 user_id 字段。
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stmt.run(
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name, host, port, username, auth_method,
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encryptedPassword, encryptedPrivateKey, encryptedPassphrase,
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proxy_id ?? null, // 如果未提供则设为 null
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now, now,
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function (this: Statement, err: Error | null) {
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if (err) {
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@@ -87,11 +89,13 @@ export const createConnection = async (req: Request, res: Response): Promise<voi
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});
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// 返回成功响应 (不包含敏感信息)
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// 返回成功响应 (包含 proxy_id)
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res.status(201).json({
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message: '连接创建成功。',
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connection: {
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id: result.lastID,
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name, host, port, username, auth_method,
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proxy_id: proxy_id ?? null, // 返回 proxy_id
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created_at: now, updated_at: now, last_connected_at: null
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}
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});
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@@ -111,12 +115,13 @@ export const getConnections = async (req: Request, res: Response): Promise<void>
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try {
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// 查询数据库,排除敏感字段 encrypted_password, encrypted_private_key, encrypted_passphrase
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// 注意:如果未来支持多用户,需要添加 WHERE user_id = ? 条件
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const connections = await new Promise<ConnectionInfoBase[]>((resolve, reject) => {
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// 新增:包含 proxy_id
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const connections = await new Promise<(ConnectionInfoBase & { proxy_id: number | null })[]>((resolve, reject) => {
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db.all(
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`SELECT id, name, host, port, username, auth_method, created_at, updated_at, last_connected_at
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`SELECT id, name, host, port, username, auth_method, proxy_id, created_at, updated_at, last_connected_at
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FROM connections
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ORDER BY name ASC`, // 按名称排序
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(err, rows: ConnectionInfoBase[]) => { // 使用更新后的接口
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ORDER BY name ASC`,
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(err, rows: (ConnectionInfoBase & { proxy_id: number | null })[]) => {
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if (err) {
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console.error('查询连接列表时出错:', err.message);
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return reject(new Error('获取连接列表失败'));
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@@ -149,13 +154,14 @@ export const getConnectionById = async (req: Request, res: Response): Promise<vo
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try {
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// 查询数据库,排除敏感字段
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// 注意:如果未来支持多用户,需要添加 AND user_id = ? 条件
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const connection = await new Promise<ConnectionInfoBase | null>((resolve, reject) => {
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// 新增:包含 proxy_id
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const connection = await new Promise<(ConnectionInfoBase & { proxy_id: number | null }) | null>((resolve, reject) => {
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db.get(
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`SELECT id, name, host, port, username, auth_method, created_at, updated_at, last_connected_at
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`SELECT id, name, host, port, username, auth_method, proxy_id, created_at, updated_at, last_connected_at
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FROM connections
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WHERE id = ?`,
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[connectionId],
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(err, row: ConnectionInfoBase) => { // 使用更新后的接口
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(err, row: (ConnectionInfoBase & { proxy_id: number | null })) => {
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if (err) {
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console.error(`查询连接 ${connectionId} 时出错:`, err.message);
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return reject(new Error('获取连接信息失败'));
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@@ -182,7 +188,8 @@ export const getConnectionById = async (req: Request, res: Response): Promise<vo
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*/
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export const updateConnection = async (req: Request, res: Response): Promise<void> => {
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const connectionId = parseInt(req.params.id, 10);
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const { name, host, port, username, auth_method, password, private_key, passphrase } = req.body;
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// 新增 proxy_id
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const { name, host, port, username, auth_method, password, private_key, passphrase, proxy_id } = req.body;
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const userId = req.session.userId;
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if (isNaN(connectionId)) {
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@@ -191,7 +198,8 @@ export const updateConnection = async (req: Request, res: Response): Promise<voi
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}
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// 输入验证 (与创建类似,但允许部分更新)
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if (!name && !host && port === undefined && !username && !auth_method && !password && !private_key && passphrase === undefined) {
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// 更新验证逻辑以包含 proxy_id
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if (!name && !host && port === undefined && !username && !auth_method && !password && !private_key && passphrase === undefined && proxy_id === undefined) {
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res.status(400).json({ message: '没有提供要更新的字段。' });
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return;
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}
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@@ -200,13 +208,37 @@ export const updateConnection = async (req: Request, res: Response): Promise<voi
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return;
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}
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// 如果提供了 auth_method,需要确保对应的凭证也提供了或已存在
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// (更复杂的验证逻辑可能需要先查询现有记录)
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// (更复杂的验证逻辑可能需要先查询现有记录) - 现在实现它
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try {
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// 1. 先查询当前的连接信息
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const currentConnection = await new Promise<(ConnectionInfoBase & { encrypted_password?: string | null, encrypted_private_key?: string | null, encrypted_passphrase?: string | null, proxy_id?: number | null }) | null>((resolve, reject) => {
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// 注意:需要查询加密字段以进行比较和保留
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db.get(
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`SELECT id, name, host, port, username, auth_method, encrypted_password, encrypted_private_key, encrypted_passphrase, proxy_id
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FROM connections
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WHERE id = ?`,
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[connectionId],
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(err, row: any) => { // 使用 any 避免类型冲突,或定义更完整的接口
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if (err) {
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console.error(`查询连接 ${connectionId} 时出错:`, err.message);
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return reject(new Error('获取连接信息失败'));
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}
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resolve(row || null);
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}
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);
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});
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if (!currentConnection) {
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res.status(404).json({ message: '连接未找到。' });
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return;
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}
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const fieldsToUpdate: { [key: string]: any } = {};
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const params: any[] = [];
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let newAuthMethod = auth_method || currentConnection.auth_method; // 确定最终的认证方式
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// 构建要更新的字段和参数
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// 构建要更新的非敏感字段和参数
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if (name !== undefined) { fieldsToUpdate.name = name; params.push(name); }
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if (host !== undefined) { fieldsToUpdate.host = host; params.push(host); }
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if (port !== undefined) {
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@@ -217,55 +249,69 @@ export const updateConnection = async (req: Request, res: Response): Promise<voi
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fieldsToUpdate.port = port; params.push(port);
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}
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if (username !== undefined) { fieldsToUpdate.username = username; params.push(username); }
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// 新增:处理 proxy_id 更新 (允许设为 null)
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if (proxy_id !== undefined) { fieldsToUpdate.proxy_id = proxy_id; params.push(proxy_id ?? null); }
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// 处理认证方式和凭证更新
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if (auth_method) {
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// --- 处理认证方式和凭证更新 (重构逻辑) ---
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if (auth_method && auth_method !== currentConnection.auth_method) {
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// --- Case 1: 认证方式已改变 ---
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fieldsToUpdate.auth_method = auth_method;
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params.push(auth_method);
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if (auth_method === 'password') {
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// 切换到密码认证
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if (!password) {
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res.status(400).json({ message: '更新为密码认证时需要提供 password。' });
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// 必须提供密码才能切换
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res.status(400).json({ message: '切换到密码认证时需要提供 password。' });
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return;
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}
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fieldsToUpdate.encrypted_password = encrypt(password);
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params.push(fieldsToUpdate.encrypted_password);
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fieldsToUpdate.encrypted_private_key = null; // 清除旧密钥
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// 清除旧的密钥信息
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fieldsToUpdate.encrypted_private_key = null;
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params.push(null);
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fieldsToUpdate.encrypted_passphrase = null; // 清除旧密码
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fieldsToUpdate.encrypted_passphrase = null;
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params.push(null);
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} else if (auth_method === 'key') {
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} else { // auth_method === 'key'
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// 切换到密钥认证
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if (!private_key) {
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res.status(400).json({ message: '更新为密钥认证时需要提供 private_key。' });
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// 必须提供私钥才能切换
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res.status(400).json({ message: '切换到密钥认证时需要提供 private_key。' });
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return;
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}
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fieldsToUpdate.encrypted_private_key = encrypt(private_key);
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params.push(fieldsToUpdate.encrypted_private_key);
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// 密码短语是可选的
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fieldsToUpdate.encrypted_passphrase = passphrase ? encrypt(passphrase) : null;
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params.push(fieldsToUpdate.encrypted_passphrase);
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fieldsToUpdate.encrypted_password = null; // 清除旧密码
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// 清除旧的密码信息
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fieldsToUpdate.encrypted_password = null;
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params.push(null);
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}
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} else {
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// 如果只更新凭证而不改变 auth_method (需要先查询当前 auth_method)
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// 为了简化,这里假设如果提供了 password/private_key,则 auth_method 也被提供了
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// 或者,可以先查询记录再决定如何更新
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if (password) {
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// 假设当前是 password 方式或要切换到 password
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fieldsToUpdate.encrypted_password = encrypt(password);
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params.push(fieldsToUpdate.encrypted_password);
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}
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if (private_key) {
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// 假设当前是 key 方式或要切换到 key
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fieldsToUpdate.encrypted_private_key = encrypt(private_key);
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params.push(fieldsToUpdate.encrypted_private_key);
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fieldsToUpdate.encrypted_passphrase = passphrase ? encrypt(passphrase) : null;
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params.push(fieldsToUpdate.encrypted_passphrase);
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} else if (passphrase !== undefined && auth_method === 'key') { // 仅更新 passphrase
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fieldsToUpdate.encrypted_passphrase = passphrase ? encrypt(passphrase) : null;
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params.push(fieldsToUpdate.encrypted_passphrase);
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// --- Case 2: 认证方式未改变 (或请求中未指定 auth_method) ---
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// 仅当提供了新的凭证时才更新
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if (currentConnection.auth_method === 'password') {
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if (password) { // 如果提供了新密码
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fieldsToUpdate.encrypted_password = encrypt(password);
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params.push(fieldsToUpdate.encrypted_password);
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}
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// 如果没提供新密码,则不更新密码字段,保留旧密码
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} else if (currentConnection.auth_method === 'key') {
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if (private_key) { // 如果提供了新私钥
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fieldsToUpdate.encrypted_private_key = encrypt(private_key);
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params.push(fieldsToUpdate.encrypted_private_key);
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// 如果提供了新私钥,则密码短语也必须一起更新(即使是清空)
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fieldsToUpdate.encrypted_passphrase = passphrase ? encrypt(passphrase) : null;
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params.push(fieldsToUpdate.encrypted_passphrase);
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} else if (passphrase !== undefined) { // 如果只提供了密码短语 (允许清空)
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fieldsToUpdate.encrypted_passphrase = passphrase ? encrypt(passphrase) : null;
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params.push(fieldsToUpdate.encrypted_passphrase);
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}
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// 如果私钥和密码短语都未提供,则不更新这两个字段,保留旧值
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}
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}
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// --- 凭证处理结束 ---
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const now = Math.floor(Date.now() / 1000);
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fieldsToUpdate.updated_at = now;
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@@ -304,10 +350,11 @@ export const updateConnection = async (req: Request, res: Response): Promise<voi
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// 获取更新后的信息(不含敏感数据)并返回
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const updatedConnection = await new Promise<ConnectionInfoBase | null>((resolve, reject) => {
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db.get(
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`SELECT id, name, host, port, username, auth_method, created_at, updated_at, last_connected_at
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// 新增:包含 proxy_id
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`SELECT id, name, host, port, username, auth_method, proxy_id, created_at, updated_at, last_connected_at
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FROM connections WHERE id = ?`,
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[connectionId],
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(err, row: ConnectionInfoBase) => err ? reject(err) : resolve(row || null)
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(err, row: ConnectionInfoBase & { proxy_id: number | null }) => err ? reject(err) : resolve(row || null)
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);
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});
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res.status(200).json({ message: '连接更新成功。', connection: updatedConnection });
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@@ -9,9 +9,10 @@ import bcrypt from 'bcrypt'; // 引入 bcrypt 用于哈希密码
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import { getDb } from './database';
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import { runMigrations } from './migrations';
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import authRouter from './auth/auth.routes'; // 导入认证路由
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import connectionsRouter from './connections/connections.routes'; // 导入连接路由
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import sftpRouter from './sftp/sftp.routes'; // 导入 SFTP 路由
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import { initializeWebSocket } from './websocket'; // 导入 WebSocket 初始化函数
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import connectionsRouter from './connections/connections.routes';
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import sftpRouter from './sftp/sftp.routes';
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import proxyRoutes from './proxies/proxies.routes'; // 导入代理路由
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import { initializeWebSocket } from './websocket';
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// 基础 Express 应用设置 (后续会扩展)
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const app = express();
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@@ -79,9 +80,10 @@ declare module 'express-session' {
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const port = process.env.PORT || 3001; // 示例端口,可配置
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// --- API 路由 ---
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app.use('/api/v1/auth', authRouter); // 挂载认证相关的路由
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app.use('/api/v1/connections', connectionsRouter); // 挂载连接相关的路由
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app.use('/api/v1/sftp', sftpRouter); // 挂载 SFTP 相关的路由
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app.use('/api/v1/auth', authRouter);
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app.use('/api/v1/connections', connectionsRouter);
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app.use('/api/v1/sftp', sftpRouter);
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app.use('/api/v1/proxies', proxyRoutes); // 挂载代理相关的路由
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// 状态检查接口
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app.get('/api/v1/status', (req: Request, res: Response) => {
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@@ -22,17 +22,32 @@ CREATE TABLE IF NOT EXISTS connections (
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username TEXT NOT NULL,
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auth_method TEXT NOT NULL CHECK(auth_method IN ('password', 'key')), -- 更新 CHECK 约束
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encrypted_password TEXT NULL,
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encrypted_private_key TEXT NULL, -- 取消注释
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encrypted_passphrase TEXT NULL, -- 取消注释
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-- proxy_id INTEGER NULL, -- 代理相关字段 (暂未实现)
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encrypted_private_key TEXT NULL,
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encrypted_passphrase TEXT NULL,
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proxy_id INTEGER NULL, -- 新增:关联的代理 ID
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created_at INTEGER NOT NULL,
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updated_at INTEGER NOT NULL,
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last_connected_at INTEGER NULL
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last_connected_at INTEGER NULL,
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FOREIGN KEY (proxy_id) REFERENCES proxies(id) ON DELETE SET NULL -- 设置外键约束,删除代理时将关联设为 NULL
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);
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`;
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// 新增:创建 proxies 表的 SQL
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const createProxiesTableSQL = `
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CREATE TABLE IF NOT EXISTS proxies (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL,
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type TEXT NOT NULL CHECK(type IN ('SOCKS5', 'HTTP')), -- 代理类型,目前支持 SOCKS5 和 HTTP
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host TEXT NOT NULL,
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port INTEGER NOT NULL,
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username TEXT NULL, -- 代理认证用户名 (可选)
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encrypted_password TEXT NULL, -- 加密存储的代理密码 (可选)
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created_at INTEGER NOT NULL,
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updated_at INTEGER NOT NULL
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);
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`;
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// 未来可能需要的其他表 (根据项目文档)
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// const createProxiesTableSQL = \`...\`; // 代理表
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// const createTagsTableSQL = \`...\`; // 标签表
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// const createConnectionTagsTableSQL = \`...\`; // 连接与标签的关联表
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// const createSettingsTableSQL = \`...\`; // 设置表
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@@ -122,9 +137,22 @@ export const runMigrations = async (db: Database): Promise<void> => {
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await addColumnIfNotExists(db, 'connections', 'auth_method', "TEXT NOT NULL DEFAULT 'password'"); // Add default for existing rows
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await addColumnIfNotExists(db, 'connections', 'encrypted_private_key', 'TEXT NULL');
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await addColumnIfNotExists(db, 'connections', 'encrypted_passphrase', 'TEXT NULL');
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// 新增:添加 proxy_id 列到 connections 表 (如果不存在)
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// 注意:直接添加带 FOREIGN KEY 的列在旧版 SQLite 中可能有限制,但现代版本通常支持。
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// 如果遇到问题,可能需要更复杂的迁移步骤(创建新表,复制数据,重命名)。
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// 这里我们先尝试直接添加。ON DELETE SET NULL 意味着如果代理被删除,关联的连接不会被删除,只是 proxy_id 变为空。
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await addColumnIfNotExists(db, 'connections', 'proxy_id', 'INTEGER NULL REFERENCES proxies(id) ON DELETE SET NULL');
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// 创建 proxies 表 (如果不存在)
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await new Promise<void>((resolve, reject) => {
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db.run(createProxiesTableSQL, (err) => {
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if (err) return reject(new Error(`创建 proxies 表时出错: ${err.message}`));
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||||
console.log('Proxies 表已检查/创建。');
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
|
||||
// Add other tables or columns here in the future
|
||||
// await addColumnIfNotExists(db, 'connections', 'proxy_id', 'INTEGER NULL');
|
||||
|
||||
console.log('数据库迁移检查完成。');
|
||||
|
||||
|
||||
@@ -0,0 +1,232 @@
|
||||
import { Request, Response } from 'express';
|
||||
import { getDb } from '../database';
|
||||
import { encrypt, decrypt } from '../utils/crypto'; // 引入加解密工具
|
||||
|
||||
// 定义代理信息接口 (用于类型提示)
|
||||
interface ProxyData {
|
||||
name: string;
|
||||
type: 'SOCKS5' | 'HTTP';
|
||||
host: string;
|
||||
port: number;
|
||||
username?: string | null;
|
||||
password?: string | null; // 接收原始密码
|
||||
}
|
||||
|
||||
// 获取所有代理配置 (不含密码)
|
||||
export const getAllProxies = async (req: Request, res: Response) => {
|
||||
const db = getDb();
|
||||
try {
|
||||
// 查询所有代理,排除 encrypted_password 字段
|
||||
const sql = `SELECT id, name, type, host, port, username, created_at, updated_at FROM proxies`;
|
||||
const proxies = await new Promise<any[]>((resolve, reject) => {
|
||||
db.all(sql, [], (err, rows) => {
|
||||
if (err) {
|
||||
return reject(err);
|
||||
}
|
||||
resolve(rows);
|
||||
});
|
||||
});
|
||||
res.status(200).json(proxies);
|
||||
} catch (error: any) {
|
||||
res.status(500).json({ message: '获取代理列表失败', error: error.message });
|
||||
}
|
||||
};
|
||||
|
||||
// 获取单个代理配置 (不含密码)
|
||||
export const getProxyById = async (req: Request, res: Response) => {
|
||||
const db = getDb();
|
||||
const { id } = req.params;
|
||||
try {
|
||||
// 查询单个代理,排除 encrypted_password 字段
|
||||
const sql = `SELECT id, name, type, host, port, username, created_at, updated_at FROM proxies WHERE id = ?`;
|
||||
const proxy = await new Promise<any>((resolve, reject) => {
|
||||
db.get(sql, [id], (err, row) => {
|
||||
if (err) {
|
||||
return reject(err);
|
||||
}
|
||||
resolve(row); // 如果找不到,row 会是 undefined
|
||||
});
|
||||
});
|
||||
|
||||
if (proxy) {
|
||||
res.status(200).json(proxy);
|
||||
} else {
|
||||
res.status(404).json({ message: `未找到 ID 为 ${id} 的代理` });
|
||||
}
|
||||
} catch (error: any) {
|
||||
res.status(500).json({ message: `获取代理 ${id} 失败`, error: error.message });
|
||||
}
|
||||
};
|
||||
|
||||
// 创建新的代理配置
|
||||
export const createProxy = async (req: Request, res: Response) => {
|
||||
const db = getDb();
|
||||
const { name, type, host, port, username, password }: ProxyData = req.body;
|
||||
const now = Math.floor(Date.now() / 1000); // 当前时间戳 (秒)
|
||||
|
||||
// 基本验证
|
||||
if (!name || !type || !host || !port) {
|
||||
return res.status(400).json({ message: '缺少必要的代理信息 (name, type, host, port)' });
|
||||
}
|
||||
if (type !== 'SOCKS5' && type !== 'HTTP') {
|
||||
return res.status(400).json({ message: '无效的代理类型,仅支持 SOCKS5 或 HTTP' });
|
||||
}
|
||||
|
||||
try {
|
||||
let encryptedPassword: string | null = null;
|
||||
if (password) {
|
||||
encryptedPassword = encrypt(password); // 加密密码
|
||||
}
|
||||
|
||||
const sql = `INSERT INTO proxies (name, type, host, port, username, encrypted_password, created_at, updated_at)
|
||||
VALUES (?, ?, ?, ?, ?, ?, ?, ?)`;
|
||||
const params = [name, type, host, port, username ?? null, encryptedPassword, now, now];
|
||||
|
||||
// 使用 Promise 包装 db.run 以便使用 async/await
|
||||
const result = await new Promise<{ id: number } | null>((resolve, reject) => {
|
||||
db.run(sql, params, function (err) { // 使用 function 获取 this.lastID
|
||||
if (err) {
|
||||
return reject(err);
|
||||
}
|
||||
// this.lastID 包含新插入行的 ID
|
||||
resolve({ id: this.lastID });
|
||||
});
|
||||
});
|
||||
|
||||
if (result) {
|
||||
// 返回成功消息和新创建的代理信息 (不含密码)
|
||||
res.status(201).json({
|
||||
message: '代理创建成功',
|
||||
proxy: {
|
||||
id: result.id,
|
||||
name,
|
||||
type,
|
||||
host,
|
||||
port,
|
||||
username: username ?? null,
|
||||
created_at: now,
|
||||
updated_at: now
|
||||
}
|
||||
});
|
||||
} else {
|
||||
// 这理论上不应该发生,除非 db.run 内部逻辑问题
|
||||
throw new Error('未能获取新创建代理的 ID');
|
||||
}
|
||||
|
||||
} catch (error: any) {
|
||||
if (error.message.includes('UNIQUE constraint failed')) {
|
||||
// 可以添加更具体的唯一约束错误处理,例如判断是哪个字段冲突
|
||||
return res.status(409).json({ message: '创建代理失败:可能存在同名字段冲突', error: error.message });
|
||||
}
|
||||
res.status(500).json({ message: '创建代理失败', error: error.message });
|
||||
}
|
||||
};
|
||||
|
||||
// 更新代理配置
|
||||
export const updateProxy = async (req: Request, res: Response) => {
|
||||
const db = getDb();
|
||||
const { id } = req.params;
|
||||
const { name, type, host, port, username, password }: Partial<ProxyData> = req.body;
|
||||
const now = Math.floor(Date.now() / 1000);
|
||||
|
||||
// 验证至少有一个字段被更新
|
||||
if (!name && !type && !host && port === undefined && username === undefined && password === undefined) {
|
||||
return res.status(400).json({ message: '没有提供任何要更新的字段' });
|
||||
}
|
||||
if (type && type !== 'SOCKS5' && type !== 'HTTP') {
|
||||
return res.status(400).json({ message: '无效的代理类型,仅支持 SOCKS5 或 HTTP' });
|
||||
}
|
||||
|
||||
try {
|
||||
let encryptedPasswordToUpdate: string | null | undefined = undefined; // undefined 表示不更新密码
|
||||
if (password !== undefined) { // 检查 password 字段是否存在于请求体中
|
||||
encryptedPasswordToUpdate = password ? encrypt(password) : null; // 如果提供了新密码则加密,如果提供空字符串或 null 则设为 null
|
||||
}
|
||||
|
||||
// 构建动态 SQL 更新语句
|
||||
const fieldsToUpdate: string[] = [];
|
||||
const params: any[] = [];
|
||||
|
||||
if (name !== undefined) { fieldsToUpdate.push('name = ?'); params.push(name); }
|
||||
if (type !== undefined) { fieldsToUpdate.push('type = ?'); params.push(type); }
|
||||
if (host !== undefined) { fieldsToUpdate.push('host = ?'); params.push(host); }
|
||||
if (port !== undefined) { fieldsToUpdate.push('port = ?'); params.push(port); }
|
||||
// username 可以设为 null
|
||||
if (username !== undefined) { fieldsToUpdate.push('username = ?'); params.push(username ?? null); }
|
||||
// 只有当 password 在请求体中明确提供了 (包括空字符串或 null),才更新密码字段
|
||||
if (encryptedPasswordToUpdate !== undefined) {
|
||||
fieldsToUpdate.push('encrypted_password = ?');
|
||||
params.push(encryptedPasswordToUpdate);
|
||||
}
|
||||
|
||||
// 总是更新 updated_at 时间戳
|
||||
fieldsToUpdate.push('updated_at = ?');
|
||||
params.push(now);
|
||||
|
||||
// 添加 WHERE 条件的参数
|
||||
params.push(id);
|
||||
|
||||
const sql = `UPDATE proxies SET ${fieldsToUpdate.join(', ')} WHERE id = ?`;
|
||||
|
||||
const result = await new Promise<{ changes: number }>((resolve, reject) => {
|
||||
db.run(sql, params, function (err) { // 使用 function 获取 this.changes
|
||||
if (err) {
|
||||
return reject(err);
|
||||
}
|
||||
// this.changes 包含受影响的行数
|
||||
resolve({ changes: this.changes });
|
||||
});
|
||||
});
|
||||
|
||||
if (result.changes > 0) {
|
||||
// 更新成功后,获取更新后的代理信息 (不含密码) 并返回
|
||||
const updatedProxy = await new Promise<any>((resolve, reject) => {
|
||||
db.get(`SELECT id, name, type, host, port, username, created_at, updated_at FROM proxies WHERE id = ?`, [id], (err, row) => {
|
||||
if (err) return reject(err);
|
||||
resolve(row);
|
||||
});
|
||||
});
|
||||
if (updatedProxy) {
|
||||
res.status(200).json({ message: '代理更新成功', proxy: updatedProxy });
|
||||
} else {
|
||||
// 理论上更新成功后应该能找到,除非并发删除了
|
||||
res.status(404).json({ message: `更新成功,但未能找到 ID 为 ${id} 的代理` });
|
||||
}
|
||||
} else {
|
||||
// 如果 changes 为 0,说明没有找到对应 ID 的代理
|
||||
res.status(404).json({ message: `未找到 ID 为 ${id} 的代理进行更新` });
|
||||
}
|
||||
|
||||
} catch (error: any) {
|
||||
if (error.message.includes('UNIQUE constraint failed')) {
|
||||
return res.status(409).json({ message: '更新代理失败:可能存在同名字段冲突', error: error.message });
|
||||
}
|
||||
res.status(500).json({ message: `更新代理 ${id} 失败`, error: error.message });
|
||||
}
|
||||
};
|
||||
|
||||
// 删除代理配置
|
||||
export const deleteProxy = async (req: Request, res: Response) => {
|
||||
const db = getDb();
|
||||
const { id } = req.params;
|
||||
try {
|
||||
const sql = `DELETE FROM proxies WHERE id = ?`;
|
||||
const result = await new Promise<{ changes: number }>((resolve, reject) => {
|
||||
db.run(sql, [id], function (err) { // 使用 function 获取 this.changes
|
||||
if (err) {
|
||||
return reject(err);
|
||||
}
|
||||
resolve({ changes: this.changes });
|
||||
});
|
||||
});
|
||||
|
||||
if (result.changes > 0) {
|
||||
res.status(200).json({ message: `代理 ${id} 删除成功` });
|
||||
} else {
|
||||
// 如果 changes 为 0,说明没有找到对应 ID 的代理
|
||||
res.status(404).json({ message: `未找到 ID 为 ${id} 的代理进行删除` });
|
||||
}
|
||||
} catch (error: any) {
|
||||
res.status(500).json({ message: `删除代理 ${id} 失败`, error: error.message });
|
||||
}
|
||||
};
|
||||
@@ -0,0 +1,24 @@
|
||||
import express, { RequestHandler } from 'express'; // 引入 RequestHandler
|
||||
import { isAuthenticated } from '../auth/auth.middleware';
|
||||
import {
|
||||
getAllProxies,
|
||||
getProxyById,
|
||||
createProxy,
|
||||
updateProxy,
|
||||
deleteProxy
|
||||
} from './proxies.controller'; // 引入控制器函数
|
||||
|
||||
const router = express.Router();
|
||||
|
||||
// 应用认证中间件到所有代理路由
|
||||
router.use(isAuthenticated);
|
||||
|
||||
// 定义代理 CRUD 路由
|
||||
// 显式类型断言以解决潜在的类型不匹配问题
|
||||
router.get('/', getAllProxies as RequestHandler);
|
||||
router.get('/:id', getProxyById as RequestHandler);
|
||||
router.post('/', createProxy as RequestHandler);
|
||||
router.put('/:id', updateProxy as RequestHandler); // 类型断言
|
||||
router.delete('/:id', deleteProxy as RequestHandler); // 类型断言
|
||||
|
||||
export default router;
|
||||
@@ -6,6 +6,8 @@ import { WriteStream } from 'fs'; // 需要 WriteStream 类型 (虽然 ssh2 的
|
||||
import { getDb } from './database'; // 引入数据库实例
|
||||
import { decrypt } from './utils/crypto'; // 引入解密函数
|
||||
import path from 'path'; // 需要 path
|
||||
import { HttpsProxyAgent } from 'https-proxy-agent'; // 引入 HTTP 代理支持
|
||||
import { SocksClient } from 'socks'; // 引入 SOCKS 代理支持
|
||||
|
||||
// 扩展 WebSocket 类型以包含会话和 SSH/SFTP 连接信息
|
||||
interface AuthenticatedWebSocket extends WebSocket {
|
||||
@@ -25,21 +27,32 @@ export const activeSshConnections = new Map<AuthenticatedWebSocket, { client: Cl
|
||||
// 注意:WriteStream 类型来自 'fs',但 ssh2 的流行为类似
|
||||
const activeUploads = new Map<string, WriteStream>();
|
||||
|
||||
// 数据库连接信息接口 (包含所有可能的凭证字段)
|
||||
// 数据库连接信息接口 (包含所有可能的凭证字段和 proxy_id)
|
||||
interface DbConnectionInfo {
|
||||
id: number;
|
||||
name: string;
|
||||
host: string;
|
||||
port: number;
|
||||
username: string;
|
||||
auth_method: 'password' | 'key'; // 支持密码或密钥
|
||||
auth_method: 'password' | 'key';
|
||||
encrypted_password?: string | null;
|
||||
encrypted_private_key?: string | null;
|
||||
encrypted_passphrase?: string | null;
|
||||
// proxy_id: number | null; // 待添加代理支持
|
||||
proxy_id?: number | null; // 关联的代理 ID
|
||||
// 其他字段...
|
||||
}
|
||||
|
||||
// 新增:数据库代理信息接口
|
||||
interface DbProxyInfo {
|
||||
id: number;
|
||||
name: string;
|
||||
type: 'SOCKS5' | 'HTTP';
|
||||
host: string;
|
||||
port: number;
|
||||
username?: string | null;
|
||||
encrypted_password?: string | null;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 清理指定 WebSocket 连接关联的 SSH 资源
|
||||
@@ -63,7 +76,7 @@ const cleanupSshConnection = (ws: AuthenticatedWebSocket) => {
|
||||
};
|
||||
|
||||
// --- 状态获取相关 ---
|
||||
const STATUS_POLL_INTERVAL = 5000; // 每 5 秒获取一次状态
|
||||
const STATUS_POLL_INTERVAL = 1000; // 每 5 秒获取一次状态
|
||||
|
||||
// Helper function to execute a command and return its stdout
|
||||
const executeSshCommand = (client: Client, command: string): Promise<string> => {
|
||||
@@ -494,15 +507,14 @@ export const initializeWebSocket = (server: http.Server, sessionParser: RequestH
|
||||
console.log(`WebSocket: 用户 ${ws.username} 请求连接到 ID: ${connectionId}`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: '正在获取连接信息...' }));
|
||||
|
||||
// 1. 从数据库获取连接信息 (包括所有凭证字段)
|
||||
// 1. 从数据库获取连接信息 (包括 proxy_id)
|
||||
const connInfo = await new Promise<DbConnectionInfo | null>((resolve, reject) => {
|
||||
// 注意:如果多用户,需要验证 connectionId 是否属于当前 userId
|
||||
db.get(
|
||||
`SELECT id, name, host, port, username, auth_method,
|
||||
`SELECT id, name, host, port, username, auth_method, proxy_id,
|
||||
encrypted_password, encrypted_private_key, encrypted_passphrase
|
||||
FROM connections WHERE id = ?`,
|
||||
FROM connections WHERE id = ?`, // 添加 proxy_id
|
||||
[connectionId],
|
||||
(err, row: DbConnectionInfo) => {
|
||||
(err, row: DbConnectionInfo) => { // 类型已更新
|
||||
if (err) {
|
||||
console.error(`查询连接 ${connectionId} 详细信息时出错:`, err);
|
||||
return reject(new Error('查询连接信息失败'));
|
||||
@@ -523,9 +535,35 @@ export const initializeWebSocket = (server: http.Server, sessionParser: RequestH
|
||||
// return;
|
||||
}
|
||||
|
||||
// 2. 获取代理信息 (如果 connInfo.proxy_id 存在)
|
||||
let proxyInfo: DbProxyInfo | null = null;
|
||||
if (connInfo.proxy_id) {
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: `正在获取代理 ${connInfo.proxy_id} 信息...` }));
|
||||
try {
|
||||
proxyInfo = await new Promise<DbProxyInfo | null>((resolve, reject) => {
|
||||
db.get(
|
||||
`SELECT id, name, type, host, port, username, encrypted_password FROM proxies WHERE id = ?`,
|
||||
[connInfo.proxy_id],
|
||||
(err, row: DbProxyInfo) => {
|
||||
if (err) return reject(new Error(`查询代理 ${connInfo.proxy_id} 失败: ${err.message}`));
|
||||
resolve(row ?? null);
|
||||
}
|
||||
);
|
||||
});
|
||||
if (!proxyInfo) {
|
||||
throw new Error(`未找到 ID 为 ${connInfo.proxy_id} 的代理配置。`);
|
||||
}
|
||||
console.log(`使用代理: ${proxyInfo.name} (${proxyInfo.type})`);
|
||||
} catch (proxyError: any) {
|
||||
console.error(`获取代理信息失败:`, proxyError);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `获取代理信息失败: ${proxyError.message}` }));
|
||||
return; // 获取代理失败则停止连接
|
||||
}
|
||||
}
|
||||
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: `正在连接到 ${connInfo.host}...` }));
|
||||
|
||||
// 2. 解密凭证并构建连接配置
|
||||
// 3. 解密凭证并构建连接配置
|
||||
let connectConfig: any = {
|
||||
host: connInfo.host,
|
||||
port: connInfo.port,
|
||||
@@ -558,97 +596,87 @@ export const initializeWebSocket = (server: http.Server, sessionParser: RequestH
|
||||
return;
|
||||
}
|
||||
|
||||
// 3. 建立 SSH 连接
|
||||
const sshClient = new Client();
|
||||
ws.sshClient = sshClient; // 关联 client
|
||||
// 4. 处理代理配置(如果存在)并建立连接
|
||||
const sshClient = new Client(); // 创建 SSH Client 实例
|
||||
|
||||
sshClient.on('ready', () => {
|
||||
console.log(`SSH: 用户 ${ws.username} 到 ${connInfo.host} 连接成功!`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: 'SSH 连接成功,正在打开 Shell...' }));
|
||||
|
||||
// 4. 请求 Shell 通道
|
||||
sshClient.shell((err, stream) => {
|
||||
if (err) {
|
||||
console.error(`SSH: 用户 ${ws.username} 打开 Shell 失败:`, err);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `打开 Shell 失败: ${err.message}` }));
|
||||
cleanupSshConnection(ws);
|
||||
return;
|
||||
if (proxyInfo) {
|
||||
console.log(`WebSocket: 检测到连接 ${connInfo.id} 使用代理 ${proxyInfo.id} (${proxyInfo.type})`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: `正在应用代理 ${proxyInfo.name}...` }));
|
||||
try {
|
||||
let proxyPassword = '';
|
||||
if (proxyInfo.encrypted_password) {
|
||||
proxyPassword = decrypt(proxyInfo.encrypted_password);
|
||||
}
|
||||
ws.sshShellStream = stream; // 关联 stream
|
||||
// 存储活动连接 (此时 sftp 可能还未就绪)
|
||||
activeSshConnections.set(ws, { client: sshClient, shell: stream });
|
||||
console.log(`SSH: 用户 ${ws.username} Shell 通道已打开。`);
|
||||
|
||||
// 尝试初始化 SFTP 会话
|
||||
sshClient.sftp((sftpErr, sftp) => {
|
||||
if (sftpErr) {
|
||||
console.error(`SFTP: 用户 ${ws.username} 初始化失败:`, sftpErr);
|
||||
// 即使 SFTP 失败,也保持 Shell 连接,但发送错误通知
|
||||
ws.send(JSON.stringify({ type: 'sftp:error', payload: `SFTP 初始化失败: ${sftpErr.message}` }));
|
||||
// 不再发送 ssh:connected,因为 SFTP 也是核心功能的一部分
|
||||
// ws.send(JSON.stringify({ type: 'ssh:connected' }));
|
||||
// 可以在这里发送一个包含错误的状态
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: 'Shell 已连接,但 SFTP 初始化失败。' }));
|
||||
return;
|
||||
if (proxyInfo.type === 'SOCKS5') {
|
||||
const socksOptions = {
|
||||
proxy: {
|
||||
host: proxyInfo.host,
|
||||
port: proxyInfo.port,
|
||||
type: 5 as 5, // SOCKS 版本 5
|
||||
userId: proxyInfo.username || undefined,
|
||||
password: proxyPassword || undefined,
|
||||
},
|
||||
command: 'connect' as 'connect',
|
||||
destination: {
|
||||
host: connInfo.host,
|
||||
port: connInfo.port,
|
||||
},
|
||||
timeout: connectConfig.readyTimeout ?? 20000, // 使用连接超时时间
|
||||
};
|
||||
console.log(`WebSocket: 正在通过 SOCKS5 代理 ${proxyInfo.host}:${proxyInfo.port} 连接到目标 ${connInfo.host}:${connInfo.port}...`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: `正在通过 SOCKS5 代理 ${proxyInfo.name} 连接...` }));
|
||||
|
||||
SocksClient.createConnection(socksOptions)
|
||||
.then(({ socket }) => {
|
||||
console.log(`WebSocket: SOCKS5 代理连接成功。正在建立 SSH 连接...`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: 'SOCKS5 代理连接成功,正在建立 SSH...' }));
|
||||
connectConfig.sock = socket; // 使用建立的 SOCKS socket
|
||||
connectSshClient(ws, sshClient, connectConfig, connInfo); // 通过代理连接 SSH
|
||||
})
|
||||
.catch(socksError => {
|
||||
console.error(`WebSocket: SOCKS5 代理连接失败:`, socksError);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `SOCKS5 代理连接失败: ${socksError.message}` }));
|
||||
cleanupSshConnection(ws);
|
||||
});
|
||||
// 注意:对于 SOCKS5,连接逻辑在 .then 回调中处理
|
||||
|
||||
} else if (proxyInfo.type === 'HTTP') {
|
||||
let proxyUrl = `http://`;
|
||||
if (proxyInfo.username) {
|
||||
proxyUrl += `${proxyInfo.username}`;
|
||||
if (proxyPassword) {
|
||||
proxyUrl += `:${proxyPassword}`;
|
||||
}
|
||||
proxyUrl += '@';
|
||||
}
|
||||
console.log(`SFTP: 用户 ${ws.username} 会话已初始化。`);
|
||||
// 将 SFTP 实例存入 Map
|
||||
const existingConn = activeSshConnections.get(ws);
|
||||
if (existingConn) {
|
||||
existingConn.sftp = sftp;
|
||||
// SFTP 就绪后,才真正通知前端连接完成
|
||||
ws.send(JSON.stringify({ type: 'ssh:connected' }));
|
||||
// 启动状态轮询
|
||||
startStatusPolling(ws, sshClient);
|
||||
} else {
|
||||
// This case should ideally not happen if the connection was set earlier
|
||||
console.error(`SFTP: 无法找到用户 ${ws.username} 的活动连接记录以存储 SFTP 或启动轮询。`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: '内部服务器错误:无法关联 SFTP 会话。' }));
|
||||
cleanupSshConnection(ws);
|
||||
}
|
||||
});
|
||||
|
||||
// 5. 数据转发:Shell -> WebSocket (发送 Base64 编码的数据)
|
||||
stream.on('data', (data: Buffer) => {
|
||||
// console.log('SSH Output Buffer Length:', data.length); // Debug log
|
||||
ws.send(JSON.stringify({
|
||||
type: 'ssh:output',
|
||||
payload: data.toString('base64'), // 将 Buffer 转为 Base64 字符串
|
||||
encoding: 'base64' // 明确告知前端编码方式
|
||||
}));
|
||||
});
|
||||
|
||||
// 6. 处理 Shell 关闭
|
||||
stream.on('close', () => {
|
||||
console.log(`SSH: 用户 ${ws.username} Shell 通道已关闭。`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:disconnected', payload: 'Shell 通道已关闭。' }));
|
||||
cleanupSshConnection(ws); // 清理资源
|
||||
});
|
||||
// Stderr 也使用 Base64 发送
|
||||
stream.stderr.on('data', (data: Buffer) => {
|
||||
console.error(`SSH Stderr (${ws.username}): ${data.toString('utf8').substring(0,100)}...`); // 日志中尝试 utf8 解码预览
|
||||
ws.send(JSON.stringify({
|
||||
type: 'ssh:output', // 同样使用 ssh:output 类型
|
||||
payload: data.toString('base64'),
|
||||
encoding: 'base64'
|
||||
}));
|
||||
});
|
||||
});
|
||||
}).on('error', (err) => {
|
||||
console.error(`SSH: 用户 ${ws.username} 连接错误:`, err);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `SSH 连接错误: ${err.message}` }));
|
||||
cleanupSshConnection(ws);
|
||||
}).on('close', () => {
|
||||
console.log(`SSH: 用户 ${ws.username} 连接已关闭。`);
|
||||
// 确保即使 shell 没关闭,也要通知前端并清理
|
||||
if (activeSshConnections.has(ws)) {
|
||||
ws.send(JSON.stringify({ type: 'ssh:disconnected', payload: 'SSH 连接已关闭。' }));
|
||||
proxyUrl += `${proxyInfo.host}:${proxyInfo.port}`;
|
||||
console.log(`WebSocket: 为连接 ${connInfo.id} 配置 HTTP 代理: ${proxyUrl.replace(/:[^:]*@/, ':***@')}`);
|
||||
connectConfig.agent = new HttpsProxyAgent(proxyUrl);
|
||||
console.log(`WebSocket: 已配置 HTTP 代理。正在建立 SSH 连接...`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: `正在通过 HTTP 代理 ${proxyInfo.name} 连接...` }));
|
||||
connectSshClient(ws, sshClient, connectConfig, connInfo); // 通过代理连接 SSH
|
||||
} else {
|
||||
console.error(`WebSocket: 未知的代理类型: ${proxyInfo.type}`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `未知的代理类型: ${proxyInfo.type}` }));
|
||||
cleanupSshConnection(ws);
|
||||
}
|
||||
} catch (proxyProcessError: any) {
|
||||
console.error(`处理代理 ${proxyInfo.id} 配置或凭证失败:`, proxyProcessError);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `无法处理代理配置: ${proxyProcessError.message}` }));
|
||||
cleanupSshConnection(ws);
|
||||
}
|
||||
}).connect(connectConfig); // 使用前面构建的 connectConfig 对象
|
||||
} else {
|
||||
// 5. 无代理,直接连接
|
||||
console.log(`WebSocket: 未配置代理。正在直接建立 SSH 连接...`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: `正在直接连接到 ${connInfo.host}...` }));
|
||||
connectSshClient(ws, sshClient, connectConfig, connInfo); // 直接连接 SSH
|
||||
}
|
||||
break;
|
||||
} // end case 'ssh:connect'
|
||||
|
||||
// --- 处理 SSH 输入 ---
|
||||
|
||||
// --- 处理 SSH 输入 ---
|
||||
case 'ssh:input': {
|
||||
const connection = activeSshConnections.get(ws);
|
||||
@@ -1146,3 +1174,101 @@ export const initializeWebSocket = (server: http.Server, sessionParser: RequestH
|
||||
console.log('WebSocket 服务器初始化完成。');
|
||||
return wss;
|
||||
};
|
||||
|
||||
// --- 辅助函数:建立 SSH 连接并处理事件 ---
|
||||
function connectSshClient(ws: AuthenticatedWebSocket, sshClient: Client, connectConfig: any, connInfo: DbConnectionInfo) {
|
||||
ws.sshClient = sshClient; // 关联 client
|
||||
|
||||
sshClient.on('ready', () => {
|
||||
console.log(`SSH: 用户 ${ws.username} 到 ${connInfo.host} 连接成功!`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: 'SSH 连接成功,正在打开 Shell...' }));
|
||||
|
||||
// 请求 Shell 通道
|
||||
sshClient.shell((err, stream) => {
|
||||
if (err) {
|
||||
console.error(`SSH: 用户 ${ws.username} 打开 Shell 失败:`, err);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `打开 Shell 失败: ${err.message}` }));
|
||||
cleanupSshConnection(ws);
|
||||
return;
|
||||
}
|
||||
ws.sshShellStream = stream; // 关联 stream
|
||||
// 存储活动连接 (此时 sftp 可能还未就绪)
|
||||
// 确保 client 和 shell 都存在才存储
|
||||
if (activeSshConnections.has(ws)) {
|
||||
// 如果已存在(例如 SOCKS 连接后),更新 shell
|
||||
const existing = activeSshConnections.get(ws)!;
|
||||
existing.shell = stream;
|
||||
} else {
|
||||
activeSshConnections.set(ws, { client: sshClient, shell: stream });
|
||||
}
|
||||
console.log(`SSH: 用户 ${ws.username} Shell 通道已打开。`);
|
||||
|
||||
// 尝试初始化 SFTP 会话
|
||||
sshClient.sftp((sftpErr, sftp) => {
|
||||
if (sftpErr) {
|
||||
console.error(`SFTP: 用户 ${ws.username} 初始化失败:`, sftpErr);
|
||||
ws.send(JSON.stringify({ type: 'sftp:error', payload: `SFTP 初始化失败: ${sftpErr.message}` }));
|
||||
ws.send(JSON.stringify({ type: 'ssh:status', payload: 'Shell 已连接,但 SFTP 初始化失败。' }));
|
||||
// SFTP 失败不应断开整个连接,但需要标记
|
||||
const existingConn = activeSshConnections.get(ws);
|
||||
if (existingConn) {
|
||||
// SFTP 失败,但 Shell 仍可用,启动状态轮询
|
||||
startStatusPolling(ws, sshClient);
|
||||
}
|
||||
return;
|
||||
}
|
||||
console.log(`SFTP: 用户 ${ws.username} 会话已初始化。`);
|
||||
const existingConn = activeSshConnections.get(ws);
|
||||
if (existingConn) {
|
||||
existingConn.sftp = sftp;
|
||||
ws.send(JSON.stringify({ type: 'ssh:connected' })); // SFTP 就绪后通知前端
|
||||
startStatusPolling(ws, sshClient); // 启动状态轮询
|
||||
} else {
|
||||
console.error(`SFTP: 无法找到用户 ${ws.username} 的活动连接记录以存储 SFTP 或启动轮询。`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: '内部服务器错误:无法关联 SFTP 会话。' }));
|
||||
cleanupSshConnection(ws);
|
||||
}
|
||||
});
|
||||
|
||||
// 数据转发:Shell -> WebSocket
|
||||
stream.on('data', (data: Buffer) => {
|
||||
ws.send(JSON.stringify({
|
||||
type: 'ssh:output',
|
||||
payload: data.toString('base64'),
|
||||
encoding: 'base64'
|
||||
}));
|
||||
});
|
||||
|
||||
// 处理 Shell 关闭
|
||||
stream.on('close', () => {
|
||||
console.log(`SSH: 用户 ${ws.username} Shell 通道已关闭。`);
|
||||
ws.send(JSON.stringify({ type: 'ssh:disconnected', payload: 'Shell 通道已关闭。' }));
|
||||
cleanupSshConnection(ws);
|
||||
});
|
||||
// Stderr 转发
|
||||
stream.stderr.on('data', (data: Buffer) => {
|
||||
console.error(`SSH Stderr (${ws.username}): ${data.toString('utf8').substring(0,100)}...`);
|
||||
ws.send(JSON.stringify({
|
||||
type: 'ssh:output',
|
||||
payload: data.toString('base64'),
|
||||
encoding: 'base64'
|
||||
}));
|
||||
});
|
||||
});
|
||||
}).on('error', (err) => {
|
||||
console.error(`SSH: 用户 ${ws.username} 连接错误:`, err);
|
||||
// 避免在 SOCKS 错误后重复发送错误
|
||||
if (!ws.CLOSED && !ws.CLOSING) { // 检查 WebSocket 状态
|
||||
ws.send(JSON.stringify({ type: 'ssh:error', payload: `SSH 连接错误: ${err.message}` }));
|
||||
}
|
||||
cleanupSshConnection(ws);
|
||||
}).on('close', () => {
|
||||
console.log(`SSH: 用户 ${ws.username} 连接已关闭。`);
|
||||
if (activeSshConnections.has(ws)) {
|
||||
if (!ws.CLOSED && !ws.CLOSING) {
|
||||
ws.send(JSON.stringify({ type: 'ssh:disconnected', payload: 'SSH 连接已关闭。' }));
|
||||
}
|
||||
cleanupSshConnection(ws);
|
||||
}
|
||||
}).connect(connectConfig);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user