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https://github.com/zulip/zulip.git
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75b39866c7
Show the timezone's name instead of the UTC offset, since it's easier to infer where does the login come from that way.
94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
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from typing import Any, Dict, Optional
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from django.conf import settings
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from django.contrib.auth.signals import user_logged_in
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from django.dispatch import receiver
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from django.template import loader
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from django.utils.timezone import \
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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_lazy as _
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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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from zerver.lib.timezone import get_timezone
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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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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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# 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.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(get_timezone(user_tz))
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context['login_time'] = local_time.strftime('%A, %B %d, %Y at %I:%M%p %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)
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context['device_browser'] = get_device_browser(user_agent)
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email_dict = {
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'template_prefix': 'zerver/emails/notify_new_login',
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'to_user_id': user.id,
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'from_name': 'Zulip Account Security',
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'from_address': FromAddress.NOREPLY,
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'context': context}
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queue_json_publish("email_senders", email_dict)
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