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"# Very Detailed Answer: Python Code for Temporary Token Verification Feature in Telegram Bot ## Question Summary The question asks for a Python code to generate a temporary token verification feature for a Telegram bot. The code should use the base64, uuid, and pyrogram modules. The temporary token should have an expiration time of 60 seconds. When a user sends the /start command, the bot should send a welcome message to the user. The code should include functions to handle the verification feature, such as check_verification, check_token, gen_token, and verify_user. The user IDs should be stored in a dictionary called user_data. The code should also use InlineKeyboardButton to create a "Verify" button. Additionally, the bot should perform the verification process when a user sends a media, photo, video, or document. ## Answer To implement the temporary token verification feature for your Telegram bot, you can use the following Python code: import base64 import uuid from pyrogram import Client, filters from pyrogram.types import InlineKeyboardMarkup, InlineKeyboardButton from datetime import datetime, timedelta # Create a dictionary to store user data user_data = {} # Generate a temporary token with an expiration time of 60 seconds def gen_token(): token = base64.urlsafe_b64encode(uuid.uuid4().bytes).decode('utf-8').rstrip('==') expiration_time = datetime.now() + timedelta(seconds=60) return token, expiration_time # Check if the token is valid and not expired def check_token(token): if token in user_data: expiration_time = user_data[token]['expiration_time'] if datetime.now() <= expiration_time: return True else: del user_data[token] return False # Check if the user is already verified or a new user def check_verification(user_id): for token in user_data: if user_data[token]['user_id'] == user_id: return True return False # Verify the user and remove the token from the dictionary def verify_user(token): user_id = user_data[token]['user_id'] del user_data[token] return user_id # Create a Pyrogram client app = Client("my_bot") # Handle the /start command @app.on_message(filters.command("start")) def start_command(client, message): user_id = message.from_user.id if not check_verification(user_id): token, expiration_time = gen_token() user_data[token] = {'user_id': user_id, 'expiration_time': expiration_time} verify_button = InlineKeyboardButton("Verify", callback_data=token) reply_markup = InlineKeyboardMarkup([[verify_button]]) client.send_message(chat_id=message.chat.id, text="Welcome! Please verify your account.", reply_markup=reply_markup) else: client.send_message(chat_id=message.chat.id, text="Welcome back!") # Handle the verification process when a user sends a media, photo, video, or document @app.on_message(filters.media) def handle_media(client, message): user_id = message.from_user.id if not check_verification(user_id): client.send_message(chat_id=message.chat.id, text="Please verify your account first.") else: # Process the media # ... # Run the bot app.run() In this code, we first import the necessary modules: base64, uuid, pyrogram, and datetime. We then create a dictionary called user_data to store user information. The gen_token function generates a temporary token using base64 and uuid modules. It also sets an expiration time for the token, which is 60 seconds from the current time. The check_token function checks if a token is valid and not expired. If the token is found in the user_data dictionary and the expiration time has not passed, it returns True. Otherwise, it removes the token from the dictionary and returns False. The check_verification function checks if a user is already verified or a new user. It iterates through the user_data dictionary and checks if the user ID matches any existing tokens. If a match is found,