Upload files to "/"

api.py

@@ -0,0 +1,77 @@
+import os
+import random
+import threading
+import time
+from flask import Flask, render_template, request
+from flask_socketio import SocketIO, emit, join_room, leave_room, disconnect
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = 'your_secret_key'
+socketio = SocketIO(app, cors_allowed_origins="*")
+
+files = {}
+lock = threading.Lock()
+
+def generate_code():
+    return ''.join(random.choices('0123456789', k=6))
+
+def remove_file_after_timeout(code, uploader_sid, timeout=600):
+    start_time = time.time()
+    while time.time() - start_time < timeout:
+        with lock:
+            if code not in files or files[code].get('downloading'):
+                return
+        remaining_time = int(timeout - (time.time() - start_time))
+        socketio.emit('countdown', {'code': code, 'remaining_time': remaining_time}, room=uploader_sid)
+        time.sleep(1)
+    
+    with lock:
+        if code in files:
+            del files[code]
+            socketio.emit('file_expired', {'code': code}, room=uploader_sid)
+            print(f"File transfer for code {code} has expired and been removed.")
+
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+@socketio.on('upload_file')
+def handle_upload_file(data):
+    code = generate_code()
+    file = data['file']
+    uploader_sid = request.sid
+
+    with lock:
+        files[code] = {'file': file, 'uploader_sid': uploader_sid, 'downloading': False}
+
+    threading.Thread(target=remove_file_after_timeout, args=(code, uploader_sid)).start()
+    
+    emit('file_uploaded', {'code': code}, room=uploader_sid)
+
+@socketio.on('join')
+def on_join(data):
+    code = data['code']
+    join_room(code)
+    emit('joined_room', {'message': f'Joined room {code}'}, room=code)
+
+@socketio.on('download_request')
+def handle_download_request(data):
+    code = data['code']
+    with lock:
+        if code in files:
+            file_info = files[code]
+            file = file_info['file']
+            uploader_sid = file_info['uploader_sid']
+            file_info['downloading'] = True
+            emit('download_file', {'file': file}, room=code)
+            emit('download_started', {'message': f'Download started for code {code}'}, room=code)
+            emit('file_downloading', {'message': 'File is being downloaded'}, room=uploader_sid)
+        else:
+            emit('error', {'message': 'Invalid code or file does not exist'}, room=code)
+
+@socketio.on('disconnect')
+def on_disconnect():
+    leave_room(request.sid)
+
+if __name__ == '__main__':
+    socketio.run(app, host='0.0.0.0', port=5000, debug=True)