auto_joiner.py

import json
import random
import re
import time
from datetime import datetime
from threading import Timer

from selenium import webdriver
from selenium.common import exceptions
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.keys import Keys
from webdriver_manager.chrome import ChromeDriverManager
from webdriver_manager.utils import ChromeType
from webdriver_manager.microsoft import EdgeChromiumDriverManager
from msedge.selenium_tools import Edge, EdgeOptions
from getpass import getpass

from discord import Webhook, RequestsWebhookAdapter, Embed, errors

browser: webdriver.Chrome = None
total_members = None
config = None
meetings = []
current_meeting = None
already_joined_ids = []
active_correlation_id = ""
hangup_thread: Timer = None
conversation_link = "https://teams.microsoft.com/_#/conversations/a"
mode = 3
uuid_regex = r"\b[0-9a-f]{8}\b-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-\b[0-9a-f]{12}\b"


class Team:
    def __init__(self, name, t_id, channels=None):
        self.name = name
        self.t_id = t_id
        if channels is None:
            self.get_channels()
        else:
            self.channels = channels

        self.check_blacklist()

    def __str__(self):
        channel_string = '\n\t'.join([str(channel) for channel in self.channels])

        return f"{self.name}\n\t{channel_string}"

    def get_elem(self):
        team_header = browser.find_element_by_css_selector(f"h3[id='{self.t_id}'")
        team_elem = team_header.find_element_by_xpath("..")
        return team_elem

    def expand_channels(self):
        try:
            self.get_elem().find_element_by_css_selector("div.channels")
        except exceptions.NoSuchElementException:
            try:
                self.get_elem().click()
                self.get_elem().find_element_by_css_selector("div.channels")
            except (exceptions.NoSuchElementException, exceptions.ElementNotInteractableException, exceptions.ElementClickInterceptedException):
                return None

    def get_channels(self):
        self.expand_channels()
        channels = self.get_elem().find_elements_by_css_selector(".channels > ul > ng-include > li")

        channel_names = [channel.get_attribute("data-tid") for channel in channels]
        channel_names = [channel_name[channel_name.find("channel-") + 8:channel_name.find("-li")] for channel_name in
                         channel_names if channel_name is not None]

        channels_ids = [channel.get_attribute("id").replace("channel-", "") for channel in channels]

        meeting_states = []
        for channel in channels:
            try:
                channel.find_element_by_css_selector("a > active-calls-counter")
                meeting_states.append(True)
            except exceptions.NoSuchElementException:
                meeting_states.append(False)

        self.channels = [Channel(channel_names[i], channels_ids[i], has_meeting=meeting_states[i]) for i in
                         range(len(channel_names))]

    def check_blacklist(self):
        blacklist = config['blacklist']
        blacklist_item = next((bl_team for bl_team in blacklist if bl_team['team_name'] == self.name), None)
        if blacklist_item is None:
            return

        if len(blacklist_item['channel_names']) == 0:
            for channel in self.channels:
                channel.blacklisted = True
        else:
            for channel in self.channels:
                if channel.name in blacklist_item['channel_names']:
                    channel.blacklisted = True


class Channel:
    def __init__(self, name, c_id, blacklisted=False, has_meeting=False):
        self.name = name
        self.c_id = c_id
        self.blacklisted = blacklisted
        self.has_meeting = has_meeting

    def __str__(self):
        return self.name + (" [BLACKLISTED]" if self.blacklisted else "") + (" [MEETING]" if self.has_meeting else "")


class Meeting:
    def __init__(self, m_id, time_started, title, calendar_meeting=False, channel_id=None):
        self.m_id = m_id
        self.time_started = time_started
        self.title = title
        self.calendar_meeting = calendar_meeting
        self.calendar_blacklisted = calendar_meeting and self.check_blacklist_calendar_meeting()
        self.channel_id = channel_id

    def check_blacklist_calendar_meeting(self):
        if "blacklist_meeting_re" in config and config['blacklist_meeting_re'] != "":

            regex = config['blacklist_meeting_re']
            return True if re.search(regex, self.title) else False

    def __str__(self):
        return f"\t{self.title} {self.time_started}" + (" [Calendar]" if self.calendar_meeting else " [Channel]") + (
            " [BLACKLISTED]" if self.calendar_blacklisted else "")


def load_config():
    global config
    with open('config.json', encoding='utf-8') as json_data_file:
        config = json.load(json_data_file)


def init_browser():
    global browser

    if "chrome_type" in config and config['chrome_type'] == "msedge":
        chrome_options = EdgeOptions()
        chrome_options.use_chromium = True

    else:
        chrome_options = webdriver.ChromeOptions()

    chrome_options.add_argument('--ignore-certificate-errors')
    chrome_options.add_argument('--ignore-ssl-errors')
    chrome_options.add_argument('--use-fake-ui-for-media-stream')
    chrome_options.add_experimental_option('prefs', {
        'credentials_enable_service': False,
        'profile.default_content_setting_values.media_stream_mic': 1,
        'profile.default_content_setting_values.media_stream_camera': 1,
        'profile.default_content_setting_values.geolocation': 1,
        'profile.default_content_setting_values.notifications': 1,
        'profile': {
            'password_manager_enabled': False
        }
    })
    chrome_options.add_argument('--no-sandbox')

    chrome_options.add_experimental_option('excludeSwitches', ['enable-automation'])

    if 'headless' in config and config['headless']:
        chrome_options.add_argument('--headless')
        print("Enabled headless mode")

    if 'mute_audio' in config and config['mute_audio']:
        chrome_options.add_argument("--mute-audio")

    if 'chrome_type' in config:
        if config['chrome_type'] == "chromium":
            browser = webdriver.Chrome(ChromeDriverManager(chrome_type=ChromeType.CHROMIUM).install(),
                                       options=chrome_options)
        elif config['chrome_type'] == "msedge":
            browser = Edge(EdgeChromiumDriverManager().install(), options=chrome_options)
        else:
            browser = webdriver.Chrome(ChromeDriverManager().install(), options=chrome_options)
    else:
        browser = webdriver.Chrome(ChromeDriverManager().install(), options=chrome_options)

    # make the window a minimum width to show the meetings menu
    window_size = browser.get_window_size()
    if window_size['width'] < 1200:
        print("Resized window width")
        browser.set_window_size(1200, window_size['height'])

    if window_size['height'] < 850:
        print("Resized window height")
        browser.set_window_size(window_size['width'], 850)


def discord_notification(title, description):
    if 'discord_webhook_url' not in config or config['discord_webhook_url'] == "":
        return

    discord_webhook_url = config['discord_webhook_url']
    webhook = Webhook.from_url(discord_webhook_url, adapter=RequestsWebhookAdapter())

    embed = Embed(title=f"{title}", description=f"{description}",colour=0x0011FF)
    embed.set_author(name="Ms-Teams-Auto-Joiner-Bot")
    embed.set_footer(text=f"\nTime: [{datetime.now():%Y:%m:%d-%H:%M:%S}]\nlogin-id: {config['email']}")

    try:
        webhook.send(embed=embed)
    except:
        print("Failed to send discord notification")


def wait_until_found(sel, timeout, print_error=True):
    try:
        element_present = EC.visibility_of_element_located((By.CSS_SELECTOR, sel))
        WebDriverWait(browser, timeout).until(element_present)

        return browser.find_element_by_css_selector(sel)
    except exceptions.TimeoutException:
        if print_error:
            print(f"Timeout waiting for element: {sel}")
            discord_notification("Timeout error", sel)
        return None


def switch_to_teams_tab():
    teams_button = wait_until_found("button.app-bar-link > ng-include > svg.icons-teams", 5)
    if teams_button is not None:
        teams_button.click()


def switch_to_calendar_tab():
    calendar_button = wait_until_found("button.app-bar-link > ng-include > svg.icons-calendar", 5)
    if calendar_button is not None:
        calendar_button.click()


def change_organisation(org_num):
    # Find and click the profile button
    profile_button = wait_until_found("button#personDropdown", 20)
    if profile_button is None:
        print("Something went wrong while changing the organisation")
        return

    profile_button.click()

    # Find and click the organisation with the right id
    change_org_button = wait_until_found(f"li.tenant-list-item[aria-posinset='{org_num+1}", 10)
    if change_org_button is None:
        print("Something went wrong while changing the organisation")
        return

    # if the user is already in the right organisation, return
    try:
        change_org_button.find_element_by_css_selector("button.active")
    except exceptions.NoSuchElementException:
        pass
    else:
        print("Organisation not changed (Already selected)")
        return

    change_org_button.click()
    time.sleep(5)


def prepare_page(include_calendar):
    try:
        browser.execute_script("document.getElementById('toast-container').remove()")
    except exceptions.JavascriptException:
        pass

    if include_calendar:
        switch_to_calendar_tab()

        view_switcher = wait_until_found(".ms-CommandBar-secondaryCommand > div > button[class*='__topBarContent']", 5)

        if view_switcher is not None:
            try:
                browser.execute_script("arguments[0].click();", view_switcher)
                time.sleep(2)
            except Exception as e:
                print(e)
                return

            day_button = wait_until_found(
                "li[role='presentation'].ms-ContextualMenu-item>button[aria-posinset='1']", 2, print_error=False)
            if day_button is None:
                browser.execute_script("arguments[0].click();", view_switcher)
                time.sleep(2)

            day_button = wait_until_found(
                "li[role='presentation'].ms-ContextualMenu-item>button[aria-posinset='1']", 2)
            if day_button is not None:
                try:
                    day_button.click()
                    time.sleep(2)
                except Exception as e:
                    print(e)
                    pass


def get_all_teams():
    team_elems = browser.find_elements_by_css_selector(
        "ul>li[role='treeitem']>div[sv-element]")

    team_names = [team_elem.get_attribute("data-tid") for team_elem in team_elems]
    team_names = [team_name[team_name.find('team-') + 5:team_name.rfind("-li")] for team_name in team_names]

    team_headers = [team_elem.find_element_by_css_selector("h3") for team_elem in team_elems]
    team_ids = [team_header.get_attribute("id") for team_header in team_headers]

    return [Team(team_names[i], team_ids[i]) for i in range(len(team_elems))]


def get_meetings(teams):
    global meetings

    for team in teams:
        for channel in team.channels:
            if channel.has_meeting and not channel.blacklisted:
                browser.execute_script(f'window.location = "{conversation_link}a?threadId={channel.c_id}&ctx=channel";')
                switch_to_teams_tab()

                meeting_elem = wait_until_found(".ts-calling-thread-header", 10)
                if meeting_elem is None:
                    continue
                meeting_elems = browser.find_elements_by_css_selector(".ts-calling-thread-header")
                for meeting_elem in meeting_elems:
                    meeting_id = meeting_elem.get_attribute("id")
                    time_started = int(meeting_id.replace("m", "")[:-3])

                    # already joined calendar meeting
                    correlation_id = meeting_elem.find_element_by_css_selector(
                        "calling-join-button > button").get_attribute("track-data")
                    if active_correlation_id != "" and correlation_id.find(active_correlation_id) != -1:
                        continue

                    meetings.append(
                        Meeting(meeting_id, time_started, f"{team.name} -> {channel.name}", channel_id=channel.c_id))


def get_calendar_meetings():
    global meetings

    if wait_until_found("div[class*='__cardHolder']", 20, False) is None:
        print("No calendar element found, switch to mode 2 to only check channel meetings")
        return

    join_buttons = browser.find_elements_by_css_selector("button[class*='__joinButton'], button[class*='__activeCall']")
    if len(join_buttons) == 0:
        return

    meeting_cards = []
    for join_button in join_buttons:
        meeting_card = join_button.find_element_by_xpath("../../..")
        meeting_cards.append(meeting_card)

    for meeting_card in meeting_cards:
        style_string = meeting_card.get_attribute("style")
        top_offset = float(style_string[style_string.find("top: ") + 5:style_string.find("rem;")])

        minutes_from_midnight = int(top_offset / .135)

        midnight = datetime.now().replace(hour=0, minute=0, second=0)
        midnight = int(datetime.timestamp(midnight))

        start_time = midnight + minutes_from_midnight * 60

        sec_meeting_card = meeting_card.find_element_by_css_selector("div")
        meeting_name = sec_meeting_card.get_attribute("title").replace("\n", " ")

        meeting_id = sec_meeting_card.get_attribute("id")

        meetings.append(Meeting(meeting_id, start_time, meeting_name, calendar_meeting=True))


def decide_meeting():
    global meetings

    newest_meetings = []

    meetings = [meeting for meeting in meetings if not meeting.calendar_blacklisted]
    if len(meetings) == 0:
        return

    meetings.sort(key=lambda x: x.time_started, reverse=True)
    newest_time = meetings[0].time_started

    for meeting in meetings:
        if meeting.time_started >= newest_time:
            newest_meetings.append(meeting)
        else:
            break

    if (current_meeting is None or newest_meetings[0].time_started > current_meeting.time_started) and (
            current_meeting is None or newest_meetings[0].m_id != current_meeting.m_id) and newest_meetings[
        0].m_id not in already_joined_ids:
        return newest_meetings[0]

    return


def join_meeting(meeting):
    global hangup_thread, current_meeting, already_joined_ids, active_correlation_id

    hangup()

    if meeting.calendar_meeting:
        switch_to_calendar_tab()
        join_btn = wait_until_found(f"div[id='{meeting.m_id}'] > div > button", 5)

    else:
        browser.execute_script(f'window.location = "{conversation_link}a?threadId={meeting.channel_id}&ctx=channel";')
        switch_to_teams_tab()

        join_btn = wait_until_found(f"div[id='{meeting.m_id}'] > calling-join-button > button", 5)

    if join_btn is None:
        return

    browser.execute_script("arguments[0].click()", join_btn)

    join_now_btn = wait_until_found("button[data-tid='prejoin-join-button']", 30)
    if join_now_btn is None:
        return

    uuid = re.search(uuid_regex, join_now_btn.get_attribute("track-data"))
    if uuid is not None:
        active_correlation_id = uuid.group(0)
    else:
        active_correlation_id = ""

    # turn camera off
    video_btn = browser.find_element_by_css_selector("toggle-button[data-tid='toggle-video']>div>button")
    video_is_on = video_btn.get_attribute("aria-pressed")
    if video_is_on == "true":
        video_btn.click()
        print("Video disabled")

    # turn mic off
    audio_btn = browser.find_element_by_css_selector("toggle-button[data-tid='toggle-mute']>div>button")
    audio_is_on = audio_btn.get_attribute("aria-pressed")
    if audio_is_on == "true":
        audio_btn.click()
        print("Microphone off")

    if 'random_delay' in config: 
        if isinstance(config['random_delay'], bool):
            print(f"Please update the random_delay in config.json file as per latest instructions in README")
            if config['random_delay']:
                delay = random.randrange(10, 31, 1)
            else:
                delay = 0
        else:
            delay = random.randrange(config['random_delay'][0], config['random_delay'][1] + 1 , 1)
        
        if delay > 0:
            print(f"Wating for {delay}s")
            time.sleep(delay)

    # find again to avoid stale element exception
    join_now_btn = wait_until_found("button[data-tid='prejoin-join-button']", 5)
    if join_now_btn is None:
        return
    join_now_btn.click()

    current_meeting = meeting
    already_joined_ids.append(meeting.m_id)

    if "join_message" in config and config["join_message"] != "":
        time.sleep(3)
        try:
            browser.execute_script("document.getElementById('chat-button').click()")
            text_input = wait_until_found('div[role="textbox"] > div', 5)

            js_change_text = """
              var elm = arguments[0], txt = arguments[1];
              elm.innerHTML = txt;
              """

            browser.execute_script(js_change_text, text_input, config["join_message"])

            time.sleep(3)
            send_button = wait_until_found("#send-message-button", 5)
            send_button.click()
            print(f'Sent message {config["join_message"]}')
            discord_notification("Sent message", {config["join_message"]})
        except (exceptions.JavascriptException, exceptions.ElementNotInteractableException):
            print("Failed to send join message")
            pass

    print(f"Joined meeting: {meeting.title}")
    discord_notification("Joined meeting", f"{meeting.title}")

    if 'auto_leave_after_min' in config and config['auto_leave_after_min'] > 0:
        hangup_thread = Timer(config['auto_leave_after_min'] * 60, hangup)
        hangup_thread.start()


def get_meeting_members():
    meeting_elems = browser.find_elements_by_css_selector(".one-call")
    for meeting_elem in meeting_elems:
        try:
            meeting_elem.click()
            break
        except:
            continue

    time.sleep(2)

    # open the meeting member side page
    try:
        browser.execute_script("document.getElementById('roster-button').click()")
    except exceptions.JavascriptException:
        print("Failed to open meeting member page")
        return None

    participants_elem = wait_until_found("calling-roster-section[section-key='participantsInCall'] .roster-list-title", 2, print_error=False)
    attendees_elem = wait_until_found("calling-roster-section[section-key='attendeesInMeeting'] .roster-list-title", 2, print_error=False)

    if participants_elem is None and attendees_elem is None:
        print("Failed to get meeting members")
        return None

    if participants_elem is not None:
        participants = [int(s) for s in participants_elem.get_attribute("aria-label").split() if s.isdigit()]
    else:
        participants = [0]

    if attendees_elem is not None:
        attendees = [int(s) for s in attendees_elem.get_attribute("aria-label").split() if s.isdigit()]
    else:
        attendees = [0]

    # close the meeting member side page, this only makes a difference if pause_search is true
    try:
        browser.execute_script("document.getElementById('roster-button').click()")
    except exceptions.JavascriptException:
        # if the roster button doesn't exist click the three dots button before
        try:
            browser.execute_script("document.getElementById('callingButtons-showMoreBtn').click()")
            time.sleep(1)
            browser.execute_script("document.getElementById('roster-button').click()")
        except exceptions.JavascriptException:
            print("Failed to close meeting member page, this might result in an error on next search")

    return sum(participants + attendees)


def hangup():
    global current_meeting, active_correlation_id
    if current_meeting is None:
        return

    try:
        switch_to_teams_tab()
        hangup_btn = browser.find_element_by_css_selector("button[data-tid='call-hangup']")
        hangup_btn.click()

        print(f"Left Meeting: {current_meeting.title}")
        discord_notification("Left Meeting", f"{current_meeting.title}")

        current_meeting = None

        if hangup_thread:
            hangup_thread.cancel()

        return True
    except exceptions.NoSuchElementException:
        return False


# Handles logic for leave number threshold and percent threshold. Return True for did hangup, or False for did not.
def handle_leave_threshold(current_meeting_members, total_meeting_members):
    print(f"Current members in meeting: {current_meeting_members}")
    print(f"Total members of the meeting: {total_meeting_members}")
    leave_number = config["leave_threshold_number"]
    leave_percentage = config["leave_threshold_percentage"]

    if leave_number is not None and leave_number != "" and int(leave_number) > 0:
        if (total_meeting_members - current_meeting_members) >= int(leave_number):
            print("Leave threshold (absolute) triggered")
            discord_notification("Left meeting, threshold triggered", f"{current_meeting.title}")
            hangup()
            return True

    if leave_percentage is not None and leave_percentage != "" and 0 < int(leave_percentage) <= 100:
        if (current_meeting_members / total_meeting_members) * 100 < int(leave_percentage):
            print("Leave threshold (percentage) triggered")
            discord_notification("Left meeting, threshold triggered", f"{current_meeting.title}")
            hangup()
            return True

    if 0 < current_meeting_members < 3:
        print("Last attendee in meeting")
        discord_notification("Left meeting, last member", f"{current_meeting.title}")
        hangup()
        return True

    return False


def main():
    global config, meetings, mode, conversation_link, total_members

    mode = 1
    if "meeting_mode" in config and 0 < config["meeting_mode"] < 4:
        mode = config["meeting_mode"]

    email = config['email']
    password = config['password']

    if email == "":
        email = input('Email: ')

    if password == "":
        password = getpass('Password: ')

    init_browser()

    browser.get("https://teams.microsoft.com")

    if email != "" and password != "":
        login_email = wait_until_found("input[type='email']", 30)
        if login_email is not None:
            login_email.send_keys(email)

        # find the element again to avoid StaleElementReferenceException
        login_email = wait_until_found("input[type='email']", 5)
        if login_email is not None:
            login_email.send_keys(Keys.ENTER)

        login_pwd = wait_until_found("input[type='password']", 10)
        if login_pwd is not None:
            login_pwd.send_keys(password)

        # find the element again to avoid StaleElementReferenceException
        login_pwd = wait_until_found("input[type='password']", 5)
        if login_pwd is not None:
            login_pwd.send_keys(Keys.ENTER)

        keep_logged_in = wait_until_found("input[id='idBtn_Back']", 5)
        if keep_logged_in is not None:
            keep_logged_in.click()
            discord_notification("Logged in successfully","  ")
        else:
            print("Login Unsuccessful, recheck entries in config.json")
            discord_notification("Login Unsuccessful"," recheck entries in config.json")

        use_web_instead = wait_until_found(".use-app-lnk", 5, print_error=False)
        if use_web_instead is not None:
            use_web_instead.click()

    # if additional organisations are setup in the config file
    if 'organisation_num' in config and config['organisation_num'] > 0:
        change_organisation(config['organisation_num'])

    print("Waiting for correct page...", end='')
    # try 3 times to check #teams-app-bar is detected or if the errors can be fixed
    for i in range(3):
        if wait_until_found("#teams-app-bar", 60) is None:
            # click the Try again button if teams load error
            try_again = wait_until_found("button.oops-button", 10)
            if try_again is not None:
                try_again.click()
            else:
                # if there is no Try again button to click then stop the program
                exit(1)
        else:
            # if the team-app-bar is detected then break the loop and go to the next step
            break

    print("\rFound page, do not click anything on the webpage from now on.")
    # wait a bit so the meetings are initialized
    time.sleep(5)

    if mode != 2:
        prepare_page(include_calendar=True)
    else:
        prepare_page(include_calendar=False)

    if mode != 3:
        switch_to_teams_tab()

        url = browser.current_url
        url = url[:url.find("conversations/") + 14]
        conversation_link = url

        teams = get_all_teams()

        if len(teams) == 0:
            print("No Teams found, is MS Teams in list mode? (switch to mode 3 if you only want calendar meetings)")
            discord_notification("No Teams found", "is MS Teams in list mode? (switch to mode 3 if you only want calendar meetings)")
            exit(1)

        print()
        for team in teams:
            print(team)

    check_interval = 10
    if "check_interval" in config and config['check_interval'] > 1:
        check_interval = config['check_interval']

    interval_count = 0
    while 1:
        timestamp = datetime.now()
        if "pause_search" in config and config['pause_search'] and current_meeting is not None:
            print(f"\n[{timestamp:%H:%M:%S}] Meeting search is paused because you are still in a meeting")
        else:
            print(f"\n[{timestamp:%H:%M:%S}] Looking for new meetings")

            if mode != 3:
                switch_to_teams_tab()
                teams = get_all_teams()

                if len(teams) == 0:
                    print("Nothing found, is Teams in list mode?")
                    discord_notification("No Teams found", "is MS Teams in list mode? (switch to mode 3 if you only want calendar meetings)")
                    exit(1)
                else:
                    get_meetings(teams)

            if mode != 2:
                switch_to_calendar_tab()
                get_calendar_meetings()

            if len(meetings) > 0:
                print("Found meetings: ")
                for meeting in meetings:
                    print(meeting)

                meeting_to_join = decide_meeting()
                if meeting_to_join is not None:
                    total_members = 0
                    join_meeting(meeting_to_join)

        meetings = []
        members_count = None
        if current_meeting is not None:
            members_count = get_meeting_members()
            if members_count and members_count > total_members:
                total_members = members_count

        if "leave_if_last" in config and config['leave_if_last'] and interval_count % 5 == 0 and interval_count > 0:
            if current_meeting is not None and members_count is not None and total_members is not None:
                if handle_leave_threshold(members_count, total_members):
                    total_members = None

        interval_count += 1

        time.sleep(check_interval)


if __name__ == "__main__":
    load_config()

    if 'run_at_time' in config and config['run_at_time'] != "":
        now = datetime.now()
        run_at = datetime.strptime(config['run_at_time'], "%H:%M").replace(year=now.year, month=now.month, day=now.day)

        if run_at.time() < now.time():
            run_at = datetime.strptime(config['run_at_time'], "%H:%M").replace(year=now.year, month=now.month,
                                                                               day=now.day + 1)

        start_delay = (run_at - now).total_seconds()

        print(f"Waiting until {run_at} ({int(start_delay)}s)")
        time.sleep(start_delay)

    try:
        main()
    finally:
        if browser is not None:
            browser.quit()

        if hangup_thread is not None:
            hangup_thread.cancel()

        discord_notification("Browser closed", "Thank you!")