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112 lines
4.1 KiB
Python
112 lines
4.1 KiB
Python
from typing import Any, Optional
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import pytz
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from django.conf import settings
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from django.contrib.auth.signals import user_logged_in, user_logged_out
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from django.dispatch import receiver
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from django.utils.timezone import get_current_timezone_name as timezone_get_current_timezone_name
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from django.utils.timezone import now as timezone_now
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from django.utils.translation import ugettext as _
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from confirmation.models import one_click_unsubscribe_link
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from zerver.lib.actions import do_set_zoom_token
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from zerver.lib.queue import queue_json_publish
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from zerver.lib.send_email import FromAddress
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from zerver.models import UserProfile
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JUST_CREATED_THRESHOLD = 60
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def get_device_browser(user_agent: str) -> Optional[str]:
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user_agent = user_agent.lower()
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if "zulip" in user_agent:
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return "Zulip"
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elif "edge" in user_agent:
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return "Edge"
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elif "opera" in user_agent or "opr/" in user_agent:
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return "Opera"
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elif ("chrome" in user_agent or "crios" in user_agent) and "chromium" not in user_agent:
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return "Chrome"
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elif "firefox" in user_agent and "seamonkey" not in user_agent and "chrome" not in user_agent:
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return "Firefox"
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elif "chromium" in user_agent:
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return "Chromium"
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elif "safari" in user_agent and "chrome" not in user_agent and "chromium" not in user_agent:
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return "Safari"
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elif "msie" in user_agent or "trident" in user_agent:
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return "Internet Explorer"
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else:
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return None
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def get_device_os(user_agent: str) -> Optional[str]:
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user_agent = user_agent.lower()
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if "windows" in user_agent:
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return "Windows"
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elif "macintosh" in user_agent:
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return "macOS"
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elif "linux" in user_agent and "android" not in user_agent:
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return "Linux"
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elif "android" in user_agent:
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return "Android"
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elif "ios" in user_agent:
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return "iOS"
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elif "like mac os x" in user_agent:
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return "iOS"
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elif " cros " in user_agent:
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return "ChromeOS"
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else:
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return None
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@receiver(user_logged_in, dispatch_uid="only_on_login")
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def email_on_new_login(sender: Any, user: UserProfile, request: Any, **kwargs: Any) -> None:
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if not user.enable_login_emails:
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return
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# We import here to minimize the dependencies of this module,
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# since it runs as part of `manage.py` initialization
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from zerver.context_processors import common_context
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if not settings.SEND_LOGIN_EMAILS:
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return
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if request:
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# If the user's account was just created, avoid sending an email.
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if (timezone_now() - user.date_joined).total_seconds() <= JUST_CREATED_THRESHOLD:
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return
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user_agent = request.META.get("HTTP_USER_AGENT", "").lower()
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context = common_context(user)
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context["user_email"] = user.delivery_email
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user_tz = user.timezone
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if user_tz == "":
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user_tz = timezone_get_current_timezone_name()
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local_time = timezone_now().astimezone(pytz.timezone(user_tz))
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if user.twenty_four_hour_time:
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hhmm_string = local_time.strftime("%H:%M")
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else:
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hhmm_string = local_time.strftime("%I:%M%p")
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context["login_time"] = local_time.strftime(f"%A, %B %d, %Y at {hhmm_string} %Z")
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context["device_ip"] = request.META.get("REMOTE_ADDR") or _("Unknown IP address")
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context["device_os"] = get_device_os(user_agent) or _("an unknown operating system")
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context["device_browser"] = get_device_browser(user_agent) or _("An unknown browser")
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context["unsubscribe_link"] = one_click_unsubscribe_link(user, "login")
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email_dict = {
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"template_prefix": "zerver/emails/notify_new_login",
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"to_user_ids": [user.id],
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"from_name": FromAddress.security_email_from_name(user_profile=user),
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"from_address": FromAddress.NOREPLY,
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"context": context,
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}
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queue_json_publish("email_senders", email_dict)
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@receiver(user_logged_out)
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def clear_zoom_token_on_logout(
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sender: object, *, user: Optional[UserProfile], **kwargs: object
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) -> None:
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if user is not None and user.zoom_token is not None:
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do_set_zoom_token(user, None)
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