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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,