async def welcome(_, message: Message):
global answers_dicc
""" Get cached answers from mongodb in case of bot's been restarted or crashed. """
answers_dicc = await get_captcha_cache()
"""Mute new member and send message with button"""
if not await is_captcha_on(message.chat.id):
return
for member in message.new_chat_members:
try:
if member.id in SUDOERS:
continue # ignore sudos
if await is_gbanned_user(member.id):
await message.chat.kick_member(member.id)
await message.reply_text(
f"{member.mention} was globally banned, and got removed," +
" if you think this is a false gban, you can appeal" +
" for this ban in support chat.")
continue
if member.is_bot:
continue # ignore bots
await message.chat.restrict_member(member.id, ChatPermissions())
text = (
f"{(member.mention())} Are you human?\n"
f"Solve this captcha in {WELCOME_DELAY_KICK_SEC} seconds and 4 attempts or you'll be kicked."
)
except ChatAdminRequired:
return
# Generate a captcha image, answers and some wrong answers
captcha = generate_captcha()
captcha_image = captcha[0]
captcha_answer = captcha[1]
wrong_answers = captcha[2] # This consists of 8 wrong answers
correct_button = InlineKeyboardButton(
f"{captcha_answer}",
callback_data=f"pressed_button {captcha_answer} {member.id}",
)
temp_keyboard_1 = [correct_button] # Button row 1
temp_keyboard_2 = [] # Botton row 2
temp_keyboard_3 = []
for i in range(2):
temp_keyboard_1.append(
InlineKeyboardButton(
f"{wrong_answers[i]}",
callback_data=
f"pressed_button {wrong_answers[i]} {member.id}",
))
for i in range(2, 5):
temp_keyboard_2.append(
InlineKeyboardButton(
f"{wrong_answers[i]}",
callback_data=
f"pressed_button {wrong_answers[i]} {member.id}",
))
for i in range(5, 8):
temp_keyboard_3.append(
InlineKeyboardButton(
f"{wrong_answers[i]}",
callback_data=
f"pressed_button {wrong_answers[i]} {member.id}",
))
shuffle(temp_keyboard_1)
keyboard = [temp_keyboard_1, temp_keyboard_2, temp_keyboard_3]
shuffle(keyboard)
verification_data = {
"chat_id": message.chat.id,
"user_id": member.id,
"answer": captcha_answer,
"keyboard": keyboard,
"attempts": 0,
}
keyboard = InlineKeyboardMarkup(keyboard)
# Append user info, correct answer and
answers_dicc.append(verification_data)
# keyboard for later use with callback query
button_message = await message.reply_photo(
photo=captcha_image,
caption=text,
reply_markup=keyboard,
quote=True,
)
os.remove(captcha_image)
""" Save captcha answers etc in mongodb in case bot gets crashed or restarted. """
await update_captcha_cache(answers_dicc)
asyncio.create_task(
kick_restricted_after_delay(WELCOME_DELAY_KICK_SEC, button_message,
member))
await asyncio.sleep(0.5)
async def welcome(_, message: Message):
global answers_dicc
"""Mute new member and send message with button"""
if not await is_captcha_on(message.chat.id):
return
for member in message.new_chat_members:
try:
if member.id in SUDOERS:
continue # ignore sudos
if await is_gbanned_user(member.id):
await message.chat.kick_member(member.id)
continue
if member.is_bot:
continue # ignore bots
await message.chat.restrict_member(member.id, ChatPermissions())
text = (
f"Welcome, {(member.mention())} Are you human?\n"
f"Solve this captcha in {WELCOME_DELAY_KICK_SEC} seconds or you'll be kicked."
)
except ChatAdminRequired:
break
# Generate a captcha image, answers and some wrong answers
captcha = generate_captcha()
captcha_image = captcha[0]
captcha_answer = captcha[1]
wrong_answers = captcha[2] # This consists of 7 wrong answers
correct_button = InlineKeyboardButton(
f"{captcha_answer}",
callback_data=f"pressed_button {captcha_answer} {member.id}")
temp_keyboard_1 = [correct_button] # Button row 1
temp_keyboard_2 = [] # Botton row 2
for i in range(3):
temp_keyboard_1.append(
InlineKeyboardButton(
f"{wrong_answers[i]}",
callback_data=
f"pressed_button {wrong_answers[i]} {member.id}"))
for i in range(3, 7):
temp_keyboard_2.append(
InlineKeyboardButton(
f"{wrong_answers[i]}",
callback_data=
f"pressed_button {wrong_answers[i]} {member.id}"))
shuffle(temp_keyboard_1)
keyboard = [temp_keyboard_1, temp_keyboard_2]
shuffle(keyboard)
verification_data = {
"user_id": member.id,
"answer": captcha_answer,
"keyboard": keyboard
}
keyboard = InlineKeyboardMarkup(keyboard)
# Append user info, correct answer and
answers_dicc.append(verification_data)
# keyboard for later use with callback query
button_message = await message.reply_photo(photo=captcha_image,
caption=text,
reply_markup=keyboard,
quote=True)
os.remove(captcha_image)
asyncio.create_task(
kick_restricted_after_delay(WELCOME_DELAY_KICK_SEC, button_message,
member))
await asyncio.sleep(0.5)
