Exemplo n.º 1
0
def check_and_ban(update, user_id, should_message=True):

    try:
        spmban = spamwtc.get_ban(int(user_id))
        if spmban:
            update.effective_chat.kick_member(user_id)
            if should_message:
                update.effective_message.reply_markdown(
                    "*This user is detected as potential Spambot by SpamWatch and have been removed!*\nVisit @SpamWatchSupport to Appeal!"
                )
                return
            else:
                return

    except:
        pass

    if sql.is_user_gbanned(user_id):
        update.effective_chat.kick_member(user_id)
        if should_message:
            usr = sql.get_gbanned_user(user_id)
            greason = usr.reason
            if not greason:
                greason = "No reason given"

            update.effective_message.reply_text(
                f"*Alert! this user was GBanned and have been removed!*\n*Reason*: {greason}",
                parse_mode=ParseMode.MARKDOWN)

            return
Exemplo n.º 2
0
def check_and_ban(update, user_id, should_message=True):

    try:
        spmban = spamwtc.get_ban(int(user_id))
        if spmban:
            update.effective_chat.kick_member(user_id)
            if should_message:
                update.effective_message.reply_text(
                    f"This person has been detected as spambot by @SpamWatch and has been removed!\nReason: <code>{spmban.reason}</code>",
                    parse_mode=ParseMode.HTML,
                )
                return
            else:
                return
    except Exception:
        pass

    if sql.is_user_gbanned(user_id):
        update.effective_chat.kick_member(user_id)
        if should_message:
            usr = sql.get_gbanned_user(user_id)
            greason = usr.reason
            if not greason:
                greason = "No reason given"

            update.effective_message.reply_text(
                f"*Alert! this user was GBanned and have been removed!*\n*Reason*: {greason}",
                parse_mode=ParseMode.MARKDOWN,
            )
            return
Exemplo n.º 3
0
def left_member(update, context):
    chat = update.effective_chat  # type: Optional[Chat]
    should_goodbye, cust_goodbye, goodbye_type = sql.get_gdbye_pref(chat.id)
    cust_goodbye = markdown_to_html(cust_goodbye)
    if should_goodbye:
        left_mem = update.effective_message.left_chat_member
        if left_mem:

            if is_user_gbanned(left_mem.id):
                return

            # Ignore bot being kicked
            if left_mem.id == context.bot.id:
                return

            # Give the owner a special goodbye
            if left_mem.id == OWNER_ID:
                update.effective_message.reply_text("RIP Master")
                return

            # if media goodbye, use appropriate function for it
            if goodbye_type != sql.Types.TEXT and goodbye_type != sql.Types.BUTTON_TEXT:
                ENUM_FUNC_MAP[goodbye_type](chat.id, cust_goodbye)
                return

            first_name = left_mem.first_name or "PersonWithNoName"  # edge case of empty name - occurs for some bugs.
            if cust_goodbye:
                if left_mem.last_name:
                    fullname = "{} {}".format(first_name, left_mem.last_name)
                else:
                    fullname = first_name
                count = chat.get_members_count()
                mention = mention_html(left_mem.id, first_name)
                if left_mem.username:
                    username = "******" + escape(left_mem.username)
                else:
                    username = mention

                valid_format = escape_invalid_curly_brackets(cust_goodbye, VALID_WELCOME_FORMATTERS)
                res = valid_format.format(first=escape(first_name),
                                          last=escape(left_mem.last_name or first_name),
                                          fullname=escape(fullname), username=username, mention=mention,
                                          count=count, chatname=escape(chat.title), id=left_mem.id)
                buttons = sql.get_gdbye_buttons(chat.id)
                keyb = build_keyboard(buttons)

            else:
                res = sql.DEFAULT_GOODBYE
                keyb = []

            keyboard = InlineKeyboardMarkup(keyb)

            send(update, res, keyboard, sql.DEFAULT_GOODBYE)
Exemplo n.º 4
0
def __user_info__(user_id):
    is_gbanned = sql.is_user_gbanned(user_id)

    text = "<b>Globally banned</b>: {}"

    if is_gbanned:
        text = text.format("Yes")
        user = sql.get_gbanned_user(user_id)
        if user.reason:
            text += "\nReason: {}".format(html.escape(user.reason))
    else:
        text = text.format("No")
    return text
Exemplo n.º 5
0
def __user_info__(user_id):
    is_gbanned = sql.is_user_gbanned(user_id)

    text = "<b>Globally banned</b>: {}"

    if is_gbanned:
        text = text.format("Yes")
        user = sql.get_gbanned_user(user_id)
        if user.reason:
            text += "\nReason: {}".format(html.escape(user.reason))
            text += "\n\nAppeal at @skyleebot if you think it's invalid."
    else:
        text = text.format("No")
    return text
Exemplo n.º 6
0
def check_and_ban(update, user_id, should_message=True):

    if sql.is_user_gbanned(user_id):
        update.effective_chat.kick_member(user_id)
        if should_message:
            usr = sql.get_gbanned_user(user_id)
            greason = usr.reason
            if not greason:
                greason = "No reason given"

            update.effective_message.reply_text(
                f"*Alert! this user was GBanned and have been removed!*\n*Reason*: {greason}",
                parse_mode=ParseMode.MARKDOWN,
            )
            return
Exemplo n.º 7
0
def __user_info__(user_id):
    is_gbanned = sql.is_user_gbanned(user_id)

    text = "<b>Globally banned</b>: {}"

    if int(user_id) in SUDO_USERS + SUPPORT_USERS:
        return ""
    if is_gbanned:
        text = text.format("Yes")
        user = sql.get_gbanned_user(user_id)
        if user.reason:
            text += "\nReason: {}".format(html.escape(user.reason))
            text += "\n\nAppeal at @MeikosupportChat if you think it's a Mistake !"
    else:
        text = text.format("No")
    return text
Exemplo n.º 8
0
def __user_info__(user_id):
    is_gbanned = sql.is_user_gbanned(user_id)

    text = "<b>Globally banned</b>: {}"

    if int(user_id) in SUDO_USERS + SUPPORT_USERS:
        return ""
    if is_gbanned:
        text = text.format("Yes")
        user = sql.get_gbanned_user(user_id)
        if user.reason:
            text += "\nReason: {}".format(html.escape(user.reason))
            text += "\n\nAppeal at @indoloaderwaitingarea if you think it's invalid."
    else:
        text = text.format("No")
    return text
Exemplo n.º 9
0
def new_member(update, context):
    chat = update.effective_chat
    user = update.effective_user
    msg = update.effective_message
    chat_name = chat.title or chat.first or chat.username
    should_welc, cust_welcome, welc_type = sql.get_welc_pref(chat.id)
    cust_welcome = markdown_to_html(cust_welcome)
    welc_mutes = sql.welcome_mutes(chat.id)
    user_id = user.id
    human_checks = sql.get_human_checks(user_id, chat.id)
    if should_welc:
        sent = None
        new_members = update.effective_message.new_chat_members
        for new_mem in new_members:

            reply = update.message.message_id
            cleanserv = sql.clean_service(chat.id)
            # Clean service welcome
            if cleanserv:
                try:
                    dispatcher.bot.delete_message(chat.id, update.message.message_id)
                except BadRequest:
                    pass
                reply = False

            # Ignore spamwatch banned users
            try:
                sw = spamwtc.get_ban(int(new_mem.id))
                if sw:
                    return
            except Exception:
                pass

            # Ignore gbanned users
            if is_user_gbanned(new_mem.id):
                return

            # Give the owner a special welcome
            if new_mem.id == OWNER_ID:
                update.effective_message.reply_text(
                    "Master is in the Group, let's get this party started!",
                    reply_to_message_id=reply,
                )
                continue

            # Make bot greet admins
            elif new_mem.id == context.bot.id:
                update.effective_message.reply_text(
                    "Hey {}, I'm {}! Thank you for adding me to {}"
                    " I Will Try My Best To Manage Your Group Efficiently".format(
                        user.first_name, context.bot.first_name, chat_name
                    ),
                    reply_to_message_id=reply,
                )

                context.bot.send_message(
                    MESSAGE_DUMP,
                    "Meiko have been added to <pre>{}</pre> with ID: \n<pre>{}</pre>".format(
                        chat.title, chat.id
                    ),
                    parse_mode=ParseMode.HTML,
                )
            else:
                # If welcome message is media, send with appropriate function
                if welc_type != sql.Types.TEXT and welc_type != sql.Types.BUTTON_TEXT:
                    sent = ENUM_FUNC_MAP[welc_type](chat.id, cust_welcome)
                    # print(bool(sent))
                    continue
                # else, move on
                first_name = (
                    new_mem.first_name or "PersonWithNoName"
                )  # edge case of empty name - occurs for some bugs.

                if cust_welcome:
                    if new_mem.last_name:
                        fullname = "{} {}".format(first_name, new_mem.last_name)
                    else:
                        fullname = first_name
                    count = chat.get_members_count()
                    mention = mention_html(new_mem.id, first_name)
                    if new_mem.username:
                        username = "******" + escape(new_mem.username)
                    else:
                        username = mention

                    valid_format = escape_invalid_curly_brackets(
                        cust_welcome, VALID_WELCOME_FORMATTERS
                    )
                    res = valid_format.format(
                        first=escape(first_name),
                        last=escape(new_mem.last_name or first_name),
                        fullname=escape(fullname),
                        username=username,
                        mention=mention,
                        count=count,
                        chatname=escape(chat.title),
                        id=new_mem.id,
                    )
                    buttons = sql.get_welc_buttons(chat.id)
                    keyb = build_keyboard(buttons)
                else:
                    res = sql.DEFAULT_WELCOME.format(first=first_name)
                    keyb = []

                keyboard = InlineKeyboardMarkup(keyb)

                sent = send(
                    update, res, keyboard, sql.DEFAULT_WELCOME.format(first=first_name)
                )  # type: Optional[Message]

                # User exception from mutes:
                if (
                    is_user_ban_protected(chat, new_mem.id, chat.get_member(new_mem.id))
                    or human_checks
                ):
                    continue
                # Join welcome: soft mute
                if welc_mutes == "soft":
                    context.bot.restrict_chat_member(
                        chat.id,
                        new_mem.id,
                        permissions=ChatPermissions(
                            can_send_messages=True,
                            can_send_media_messages=False,
                            can_send_other_messages=False,
                            can_invite_users=False,
                            can_pin_messages=False,
                            can_send_polls=False,
                            can_change_info=False,
                            can_add_web_page_previews=False,
                            until_date=(int(time.time() + 24 * 60 * 60)),
                        ),
                    )
                # Join welcome: strong mute
                if welc_mutes == "strong":
                    new_join_mem = "Hey {}!".format(
                        mention_html(user.id, new_mem.first_name)
                    )
                    msg.reply_text(
                        "{}\nClick the button below to start talking.".format(
                            new_join_mem
                        ),
                        reply_markup=InlineKeyboardMarkup(
                            [
                                [
                                    InlineKeyboardButton(
                                        text="Yus, I'm a human",
                                        callback_data="user_join_({})".format(
                                            new_mem.id
                                        ),
                                    )
                                ]
                            ]
                        ),
                        parse_mode=ParseMode.HTML,
                        reply_to_message_id=reply,
                    )
                    context.bot.restrict_chat_member(
                        chat.id,
                        new_mem.id,
                        permissions=ChatPermissions(
                            can_send_messages=False,
                            can_invite_users=False,
                            can_pin_messages=False,
                            can_send_polls=False,
                            can_change_info=False,
                            can_send_media_messages=False,
                            can_send_other_messages=False,
                            can_add_web_page_previews=False,
                        ),
                    )
        prev_welc = sql.get_clean_pref(chat.id)
        if prev_welc:
            try:
                context.bot.delete_message(chat.id, prev_welc)
            except BadRequest:
                pass

            if sent:
                sql.set_clean_welcome(chat.id, sent.message_id)
Exemplo n.º 10
0
def left_member(update, context):
    chat = update.effective_chat  # type: Optional[Chat]
    should_goodbye, cust_goodbye, goodbye_type = sql.get_gdbye_pref(chat.id)
    cust_goodbye = markdown_to_html(cust_goodbye)
    if should_goodbye:
        reply = update.message.message_id
        cleanserv = sql.clean_service(chat.id)
        # Clean service welcome
        if cleanserv:
            try:
                dispatcher.bot.delete_message(chat.id,
                                              update.message.message_id)
            except BadRequest:
                pass
            reply = False

        left_mem = update.effective_message.left_chat_member
        if left_mem:

            # Ignore gbanned users
            if is_user_gbanned(left_mem.id):
                return

            # Ignore spamwatch banned users
            try:
                sw = spamwtc.get_ban(int(left_mem.id))
                if sw:
                    return
            except:
                pass

            # Ignore bot being kicked
            if left_mem.id == context.bot.id:
                return

            # Give the owner a special goodbye
            if left_mem.id == OWNER_ID:
                update.effective_message.reply_text("RIP Master",
                                                    reply_to_message_id=reply)
                return

            # if media goodbye, use appropriate function for it
            if goodbye_type != sql.Types.TEXT and goodbye_type != sql.Types.BUTTON_TEXT:
                ENUM_FUNC_MAP[goodbye_type](chat.id, cust_goodbye)
                return

            first_name = left_mem.first_name or "PersonWithNoName"  # edge case of empty name - occurs for some bugs.
            if cust_goodbye:
                if cust_goodbye == sql.DEFAULT_GOODBYE:
                    cust_goodbye = random.choice(sql.RANDOM_BYE)
                if left_mem.last_name:
                    fullname = "{} {}".format(first_name, left_mem.last_name)
                else:
                    fullname = first_name
                count = chat.get_members_count()
                mention = mention_html(left_mem.id, first_name)
                if left_mem.username:
                    username = "******" + escape(left_mem.username)
                else:
                    username = mention

                valid_format = escape_invalid_curly_brackets(
                    cust_goodbye, VALID_WELCOME_FORMATTERS)
                res = valid_format.format(first=escape(first_name),
                                          last=escape(left_mem.last_name
                                                      or first_name),
                                          fullname=escape(fullname),
                                          username=username,
                                          mention=mention,
                                          count=count,
                                          chatname=escape(chat.title),
                                          id=left_mem.id)
                buttons = sql.get_gdbye_buttons(chat.id)
                keyb = build_keyboard(buttons)

            else:
                res = random.choice(sql.RANDOM_BYE)
                keyb = []

            keyboard = InlineKeyboardMarkup(keyb)

            send(update, res, keyboard, random.choice(sql.RANDOM_BYE))
Exemplo n.º 11
0
def jban(update, context):
    message = update.effective_message
    chat = update.effective_chat
    args = context.args
    user_id, reason = extract_user_and_text(message, args)

    if not user_id:
        message.reply_text("You don't seem to be referring to a user.")
        return

    if user_id == OWNER_ID:
        message.reply_text("Nice try -_- but I'm never gonna gban him.")
        return

    if int(user_id) in SUDO_USERS:
        message.reply_text(
            "I spy, with my little eye... a sudo user war! Why are you guys turning on each other?"
        )
        return

    if int(user_id) in SUPPORT_USERS:
        message.reply_text(
            "OOOH someone's trying to gban a support user! *grabs popcorn*")
        return

    if user_id == context.bot.id:
        message.reply_text(
            "-_- So funny, lets gban myself why don't I? Nice try.")
        return

    try:
        user_chat = context.bot.get_chat(user_id)
    except BadRequest as excp:
        message.reply_text(excp.message)
        return

    if user_chat.type != "private":
        message.reply_text("That's not a user!")
        return

    if user_chat.first_name == "":
        message.reply_text(
            "This is a deleted account! no point to gban them...")
        return

    if sql.is_user_gbanned(user_id):
        if not reason:
            message.reply_text(
                "This user is already gbanned; I'd change the reason, but you haven't given me one..."
            )
            return

        old_reason = sql.update_gban_reason(
            user_id, user_chat.username or user_chat.first_name, reason)
        user_id, new_reason = extract_user_and_text(message, args)

        if old_reason:
            banner = update.effective_user  # type: Optional[User]
            bannerid = banner.id
            bannername = banner.first_name
            new_reason = (
                f"{new_reason} // GBanned by {bannername} banner id: {bannerid}"
            )

            context.bot.sendMessage(
                MESSAGE_DUMP,
                "<b>Global Ban Reason Update</b>"
                "\n<b>Sudo Admin:</b> {}"
                "\n<b>User:</b> {}"
                "\n<b>ID:</b> <code>{}</code>"
                "\n<b>Previous Reason:</b> {}"
                "\n<b>New Reason:</b> {}".format(
                    mention_html(banner.id, banner.first_name),
                    mention_html(user_chat.id, user_chat.first_name
                                 or "Deleted Account"),
                    user_chat.id,
                    old_reason,
                    new_reason,
                ),
                parse_mode=ParseMode.HTML,
            )

            message.reply_text(
                "This user is already gbanned, for the following reason:\n"
                "<code>{}</code>\n"
                "I've gone and updated it with your new reason!".format(
                    html.escape(old_reason)),
                parse_mode=ParseMode.HTML,
            )

        else:
            message.reply_text(
                "This user is already gbanned, but had no reason set; I've gone and updated it!"
            )

        return

    message.reply_text(
        f"<b>Global Banned</b> {mention_html(user_chat.id, user_chat.first_name)}"
        f"\n<b>With ID</b>: <code>{user_chat.id}</code>"
        f"\n<b>Reason</b>: <code>{reason or 'No reason given'}</code>",
        parse_mode=ParseMode.HTML,
    )

    banner = update.effective_user
    bannerid = banner.id
    bannername = banner.first_name
    reason = f"{reason} // GBanned by {bannername} banner id: {bannerid}"

    context.bot.sendMessage(
        MESSAGE_DUMP,
        "<b>New Global Ban</b>"
        "\n#GBAN"
        "\n<b>Status:</b> <code>Enforcing</code>"
        "\n<b>Sudo Admin:</b> {}"
        "\n<b>User:</b> {}"
        "\n<b>ID:</b> <code>{}</code>"
        "\n<b>Reason:</b> {}".format(
            mention_html(banner.id, banner.first_name),
            mention_html(user_chat.id, user_chat.first_name),
            user_chat.id,
            reason or "No reason given",
        ),
        parse_mode=ParseMode.HTML,
    )

    try:
        context.bot.kick_chat_member(chat.id, user_chat.id)
    except BadRequest as excp:
        if excp.message in GBAN_ERRORS:
            pass

    sql.gban_user(user_id, user_chat.username or user_chat.first_name, reason)
Exemplo n.º 12
0
def unjban(update, context):
    message = update.effective_message
    args = context.args
    user_id = extract_user(message, args)
    if not user_id:
        message.reply_text("You don't seem to be referring to a user.")
        return

    user_chat = context.bot.get_chat(user_id)
    if user_chat.type != "private":
        message.reply_text("That's not a user!")
        return

    if not sql.is_user_gbanned(user_id):
        message.reply_text("This user is not gbanned!")
        return

    banner = update.effective_user  # type: Optional[User]

    message.reply_text("I'll give {} a second chance, globally.".format(
        user_chat.first_name))

    context.bot.sendMessage(
        MESSAGE_DUMP,
        "<b>Regression of Global Ban</b>"
        "\n#UNGBAN"
        "\n<b>Status:</b> <code>Ceased</code>"
        "\n<b>Sudo Admin:</b> {}"
        "\n<b>User:</b> {}"
        "\n<b>ID:</b> <code>{}</code>".format(
            mention_html(banner.id, banner.first_name),
            mention_html(user_chat.id, user_chat.first_name),
            user_chat.id,
        ),
        parse_mode=ParseMode.HTML,
    )

    chats = get_all_chats()
    for chat in chats:
        chat_id = chat.chat_id

        # Check if this group has disabled gbans
        if not sql.does_chat_gban(chat_id):
            continue

        try:
            member = context.bot.get_chat_member(chat_id, user_id)
            if member.status == "kicked":
                context.bot.unban_chat_member(chat_id, user_id)

        except BadRequest as excp:
            if excp.message in UNGBAN_ERRORS:
                pass
            else:
                message.reply_text("Could not un-gban due to: {}".format(
                    excp.message))
                context.bot.send_message(
                    OWNER_ID,
                    "Could not un-gban due to: {}".format(excp.message))
                return
        except TelegramError:
            pass

    sql.ungban_user(user_id)

    context.bot.sendMessage(
        MESSAGE_DUMP,
        "User {} has been successfully un-gbanned!".format(
            mention_html(user_chat.id, user_chat.first_name)),
        parse_mode=ParseMode.HTML,
    )
    message.reply_text("Person has been un-gbanned.")
Exemplo n.º 13
0
def new_member(update, context):
    chat = update.effective_chat  # type: Optional[Chat]
    user = update.effective_user  # type: Optional[User]
    msg = update.effective_message # type: Optional[Message]
    chat_name = chat.title or chat.first or chat.username # type: Optional:[chat name]
    should_welc, cust_welcome, welc_type = sql.get_welc_pref(chat.id)
    cust_welcome = markdown_to_html(cust_welcome)
    welc_mutes = sql.welcome_mutes(chat.id)
    user_id = user.id
    human_checks = sql.get_human_checks(user_id, chat.id)
    if should_welc:
        sent = None
        new_members = update.effective_message.new_chat_members
        for new_mem in new_members:

            if is_user_gbanned(new_mem.id):
                return

            # Give the owner a special welcome
            if new_mem.id == OWNER_ID:
                update.effective_message.reply_text("Master is in the houseeee, let's get this party started!")
                continue

            # Make bot greet admins
            elif new_mem.id == context.bot.id:
                update.effective_message.reply_text("Hey {}, I'm {}! Thank you for adding me to {}" 
                " and be sure to join our channel: @skyleeupdates to know more about updates and tricks!".format(user.first_name, context.bot.first_name, chat_name))

                context.bot.send_message(
                    MESSAGE_DUMP,
                    "skylee have been added to {} with ID: <pre>{}</pre>".format(
                        chat.title, chat.id),
                    parse_mode=ParseMode.HTML)
            else:
                # If welcome message is media, send with appropriate function
                if welc_type != sql.Types.TEXT and welc_type != sql.Types.BUTTON_TEXT:
                    ENUM_FUNC_MAP[welc_type](chat.id, cust_welcome)
                    return
                # else, move on
                first_name = new_mem.first_name or "PersonWithNoName"  # edge case of empty name - occurs for some bugs.

                if cust_welcome:
                    if new_mem.last_name:
                        fullname = "{} {}".format(first_name, new_mem.last_name)
                    else:
                        fullname = first_name
                    count = chat.get_members_count()
                    mention = mention_html(new_mem.id, first_name)
                    if new_mem.username:
                        username = "******" + escape(new_mem.username)
                    else:
                        username = mention

                    valid_format = escape_invalid_curly_brackets(cust_welcome, VALID_WELCOME_FORMATTERS)
                    res = valid_format.format(first=escape(first_name),
                                              last=escape(new_mem.last_name or first_name),
                                              fullname=escape(fullname), username=username, mention=mention,
                                              count=count, chatname=escape(chat.title), id=new_mem.id)
                    buttons = sql.get_welc_buttons(chat.id)
                    keyb = build_keyboard(buttons)
                else:
                    res = sql.DEFAULT_WELCOME.format(first=first_name)
                    keyb = []

                keyboard = InlineKeyboardMarkup(keyb)

                sent = send(update, res, keyboard,
                            sql.DEFAULT_WELCOME.format(first=first_name))  # type: Optional[Message]


                    #User exception from mutes:
                if is_user_ban_protected(chat, new_mem.id, chat.get_member(new_mem.id)) or human_checks:
                    continue
                #Join welcome: soft mute
                if welc_mutes == "soft":
                    context.bot.restrict_chat_member(chat.id, new_mem.id,
                     permissions=ChatPermissions(
                                             can_send_messages=True, 
                                             can_send_media_messages=False, 
                                             can_send_other_messages=False,
                                             can_invite_users=False,
                                             can_pin_messages=False,
                                             can_send_polls=False,
                                             can_change_info=False,
                                             can_add_web_page_previews=False, 
                                             until_date=(int(time.time() + 24 * 60 * 60))))
                #Join welcome: strong mute
                if welc_mutes == "strong":
                    new_join_mem = "Hey {}!".format(mention_html(user.id, new_mem.first_name))
                    msg.reply_text("{}\nClick the button below to start talking.".format(new_join_mem),
                         reply_markup=InlineKeyboardMarkup([[InlineKeyboardButton(text="Yus, I'm a human", 
                         callback_data="user_join_({})".format(new_mem.id))]]), parse_mode=ParseMode.HTML)
                    context.bot.restrict_chat_member(chat.id, new_mem.id, 
                    permissions=ChatPermissions(
                                             can_send_messages=False,
                                             can_invite_users=False,
                                             can_pin_messages=False,
                                             can_send_polls=False,
                                             can_change_info=False,
                                             can_send_media_messages=False, 
                                             can_send_other_messages=False, 
                                             can_add_web_page_previews=False))
        prev_welc = sql.get_clean_pref(chat.id)
        if prev_welc:
            try:
                context.bot.delete_message(chat.id, prev_welc)
            except BadRequest as excp:
                pass

            if sent:
                sql.set_clean_welcome(chat.id, sent.message_id)