mirror of
https://github.com/zulip/zulip.git
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97 lines
3.6 KiB
Python
97 lines
3.6 KiB
Python
from __future__ import absolute_import
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from django.dispatch import receiver
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from django.contrib.auth.signals import user_logged_in
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from django.core.mail import send_mail
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from django.conf import settings
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from django.template import loader
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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 typing import Any, Dict, Optional
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from zerver.models import UserProfile
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def get_device_browser(user_agent):
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# type: (str) -> Optional[str]
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user_agent = user_agent.lower()
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if "chrome" 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 "opera" in user_agent:
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return "Opera"
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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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elif "edge" in user_agent:
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return "Edge"
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else:
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return None
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def get_device_os(user_agent):
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# type: (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 "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, user, request, **kwargs):
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# type: (Any, UserProfile, Any, 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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# Login emails are for returning users, not new registrations.
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# Determine if login request was from new registration.
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path = request.META.get('PATH_INFO', None)
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if path:
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if path == "/accounts/register/":
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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['zulip_support'] = settings.ZULIP_ADMINISTRATOR
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context['user'] = user
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text_template = 'zerver/emails/new_login/new_login_alert.txt'
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html_template = 'zerver/emails/new_login/new_login_alert.html'
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text_content = loader.render_to_string(text_template, context)
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html_content = loader.render_to_string(html_template, context)
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sender = settings.NOREPLY_EMAIL_ADDRESS
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recipients = [user.email]
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subject = loader.render_to_string('zerver/emails/new_login/new_login_alert.subject').strip()
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send_mail(subject, text_content, sender, recipients, html_message=html_content)
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