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from fastapi import FastAPI, WebSocket
from fastapi.responses import HTMLResponse
import subprocess
app = FastAPI()
# HTML template for the terminal interface
index_html = """
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Web Terminal</title>
<style>
/* Add CSS styles to customize the appearance of the terminal */
</style>
</head>
<body>
<div id="terminal"></div>
<script>
const terminal = document.getElementById("terminal");
const ws = new WebSocket("ws://" + window.location.host + "/terminal");
ws.onmessage = function(event) {
terminal.innerText += event.data + "\\n";
};
function sendCommand() {
const command = prompt("Enter command:");
ws.send(command);
}
</script>
</body>
</html>
"""
# Store active websocket connections
connections = []
@app.websocket("/terminal")
async def terminal(websocket: WebSocket):
await websocket.accept()
connections.append(websocket)
try:
while True:
data = await websocket.receive_text()
# Execute the command and send the result back to the client
result = await execute_command(data)
await websocket.send_text(result)
finally:
connections.remove(websocket)
async def execute_command(command: str) -> str:
try:
# Execute the command using subprocess
result = subprocess.check_output(command, shell=True, text=True)
except subprocess.CalledProcessError as e:
result = f"Error: {e.output}"
return result
@app.get("/")
async def index():
return HTMLResponse(content=index_html, status_code=200)
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