mirror of
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93 lines
3.3 KiB
Python
93 lines
3.3 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 zerver.lib.queue import queue_json_publish
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from zerver.lib.send_email import FromAddress, send_email
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from zerver.models import UserProfile
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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 getattr(user, "just_registered", False):
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return
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login_time = timezone_now().strftime('%A, %B %d, %Y at %I:%M%p ') + \
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timezone_get_current_timezone_name()
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user_agent = request.META.get('HTTP_USER_AGENT', "").lower()
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device_browser = get_device_browser(user_agent)
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device_os = get_device_os(user_agent)
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device_ip = request.META.get('REMOTE_ADDR') or "Uknown IP address"
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device_info = {"device_browser": device_browser,
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"device_os": device_os,
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"device_ip": device_ip,
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"login_time": login_time
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}
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context = common_context(user)
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context['device_info'] = device_info
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context['user_email'] = user.email
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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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