feat: expand discovery with systemd services, LXC/VMs, SSH terminal, and filebrowser
- Add systemd service discovery to backend - Add Proxmox LXC/VM detection - Add hostType field to config for better host categorization - Fix SSH trust between hosts (ubuntu/grizzley -> truenas/proxmox) - Add SSH terminal support via xterm.js - Add filebrowser for browsing host filesystems - Update frontend types and components for new node types
This commit is contained in:
265
server/routes/files.ts
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265
server/routes/files.ts
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/**
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* Files API Endpoint
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*
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* GET /api/files/:host/:container - Get volume mounts for a container
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*/
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import { Router } from 'express';
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import { Client } from 'ssh2';
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import { readFileSync } from 'fs';
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import { homedir } from 'os';
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import { getHostConfigs } from '../config';
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const router = Router();
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interface SSHConnectionConfig {
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host: string;
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port?: number;
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username: string;
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privateKey?: Buffer;
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}
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interface VolumeMount {
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source: string;
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destination: string;
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mode: string;
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}
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interface FilesResponse {
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volumes: VolumeMount[];
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error?: string;
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}
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async function connectSSH(config: SSHConnectionConfig, timeout: number = 30000): Promise<Client> {
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return new Promise((resolve, reject) => {
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const conn = new Client();
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const timeoutId = setTimeout(() => {
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conn.end();
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reject(new Error('Connection timeout'));
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}, timeout);
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conn.on('ready', () => {
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clearTimeout(timeoutId);
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resolve(conn);
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});
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conn.on('error', (err) => {
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clearTimeout(timeoutId);
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reject(err);
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});
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conn.connect({
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host: config.host,
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port: config.port || 22,
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username: config.username,
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privateKey: config.privateKey,
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readyTimeout: timeout,
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});
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});
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}
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async function execSSH(conn: Client, command: string): Promise<string> {
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return new Promise((resolve, reject) => {
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conn.exec(command, (err, stream) => {
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if (err) {
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reject(err);
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return;
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}
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let output = '';
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stream.on('close', () => resolve(output));
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stream.on('data', (data: Buffer) => { output += data.toString(); });
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stream.stderr.on('data', (data: Buffer) => { output += data.toString(); });
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});
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});
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}
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async function getContainerVolumes(
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ip: string,
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containerName: string,
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sshUser: string,
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sshKeyPath?: string,
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sshPort?: number
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): Promise<FilesResponse> {
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try {
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// Load SSH key
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const keyPath = sshKeyPath || `${homedir()}/.ssh/id_ed25519`;
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let privateKey: Buffer | undefined;
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try {
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privateKey = readFileSync(keyPath);
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} catch {
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// If key file doesn't exist, try without it
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}
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const sshConfig: SSHConnectionConfig = {
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host: ip,
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port: sshPort || 22,
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username: sshUser,
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privateKey,
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};
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const conn = await connectSSH(sshConfig, 30000);
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// Run docker inspect to get mounts
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const command = `docker inspect ${containerName} --format '{{json .Mounts}}'`;
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const output = await execSSH(conn, command);
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conn.end();
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// Parse JSON output
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let mounts: any[] = [];
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try {
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mounts = JSON.parse(output.trim()) || [];
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} catch {
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// If parsing fails, return empty array
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return { volumes: [] };
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}
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// Transform to VolumeMount format
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const volumes: VolumeMount[] = mounts.map((mount: any) => ({
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source: mount.Source || mount.Source || '',
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destination: mount.Destination || mount.Destination || '',
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mode: mount.Mode || mount.Mode || 'rw',
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})).filter((v: VolumeMount) => v.source && v.destination);
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return { volumes };
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} catch (error: any) {
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return {
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volumes: [],
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error: error.message || 'Failed to get container volumes',
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};
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}
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}
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// GET /api/files/:host/:container - Get volume mounts for a container
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router.get('/files/:host/:container', async (req, res) => {
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try {
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const { host, container } = req.params;
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const hosts = getHostConfigs();
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const hostConfig = hosts.find(h => h.name.toLowerCase() === host.toLowerCase());
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if (!hostConfig) {
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const response: FilesResponse = {
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volumes: [],
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error: `Host '${host}' not found in configuration`,
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};
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return res.status(404).json(response);
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}
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const result = await getContainerVolumes(
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hostConfig.ip,
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container,
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hostConfig.sshUser,
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hostConfig.sshKeyPath,
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hostConfig.sshPort
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);
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res.json(result);
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} catch (error: unknown) {
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const errMsg = error instanceof Error ? error.message : 'Failed to get container volumes';
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const response: FilesResponse = {
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volumes: [],
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error: errMsg,
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};
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res.status(500).json(response);
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}
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});
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interface FileEntry {
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name: string;
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path: string;
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type: 'file' | 'directory' | 'symlink';
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size: number;
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modified: string;
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}
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interface BrowseResponse {
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path: string;
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files: FileEntry[];
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error?: string;
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}
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async function browseDirectory(
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ip: string,
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path: string,
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sshUser: string,
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sshKeyPath?: string,
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sshPort?: number
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): Promise<BrowseResponse> {
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try {
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const keyPath = sshKeyPath || `${homedir()}/.ssh/id_ed25519`;
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let privateKey: Buffer | undefined;
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try {
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privateKey = require('fs').readFileSync(keyPath);
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} catch {
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// ignore
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}
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const sshConfig: SSHConnectionConfig = {
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host: ip,
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port: sshPort || 22,
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username: sshUser,
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privateKey,
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};
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const conn = await connectSSH(sshConfig, 30000);
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const command = `ls -la --time-style=long-iso "${path}" 2>/dev/null | tail -n +2`;
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const output = await execSSH(conn, command);
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conn.end();
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const files: FileEntry[] = output.trim().split('\n').filter(Boolean).map(line => {
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const parts = line.split(/\s+/);
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const perms = parts[0];
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const size = parseInt(parts[4], 10) || 0;
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const modified = parts[5] + ' ' + parts[6];
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const name = parts.slice(8).join(' ');
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const type = perms.startsWith('d') ? 'directory' :
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perms.startsWith('l') ? 'symlink' : 'file';
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return {
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name,
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path: path === '/' ? `/${name}` : `${path}/${name}`,
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type,
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size,
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modified,
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};
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});
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return { path, files };
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} catch (error: unknown) {
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const errMsg = error instanceof Error ? error.message : 'Failed to browse directory';
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return { path, files: [], error: errMsg };
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}
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}
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router.get('/files/browse/:host', async (req, res) => {
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try {
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const { host } = req.params;
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const path = (req.query.path as string) || '/';
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const hosts = getHostConfigs();
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const hostConfig = hosts.find(h => h.name.toLowerCase() === host.toLowerCase());
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if (!hostConfig) {
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return res.status(404).json({ path, files: [], error: `Host '${host}' not found` });
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}
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const result = await browseDirectory(
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hostConfig.ip,
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path,
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hostConfig.sshUser,
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hostConfig.sshKeyPath,
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hostConfig.sshPort
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);
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res.json(result);
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} catch (error: unknown) {
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const errMsg = error instanceof Error ? error.message : 'Failed to browse directory';
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res.status(500).json({ path: req.query.path as string || '/', files: [], error: errMsg });
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}
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});
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export default router;
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