mirror of https://github.com/jumpserver/jumpserver
337 lines
10 KiB
Python
337 lines
10 KiB
Python
# ~*~ coding: utf-8 ~*~
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#
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from __future__ import unicode_literals
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import os
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import re
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import pyotp
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import base64
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import logging
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import ipaddress
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from django.http import Http404
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from django.conf import settings
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from django.contrib.auth.mixins import UserPassesTestMixin
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from django.contrib.auth import authenticate
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from django.utils.translation import ugettext as _
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from django.core.cache import cache
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from datetime import datetime
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from common.tasks import send_mail_async
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from common.utils import reverse, get_object_or_none, get_ip_city
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from .models import User
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logger = logging.getLogger('jumpserver')
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def construct_user_created_email_body(user):
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default_body = _("""
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<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
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<p style="text-indent:2em;">
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<span>
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Username: %(username)s.
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</span>
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<span>
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<a href="%(rest_password_url)s?token=%(rest_password_token)s">click here to set your password</a>
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</span>
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<span>
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This link is valid for 1 hour. After it expires, <a href="%(forget_password_url)s?email=%(email)s">request new one</a>
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</span>
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<span>
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<a href="%(login_url)s">Login direct</a>
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</span>
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</p>
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""") % {
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'username': user.username,
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'rest_password_url': reverse('users:reset-password', external=True),
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'rest_password_token': user.generate_reset_token(),
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'forget_password_url': reverse('users:forgot-password', external=True),
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'email': user.email,
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'login_url': reverse('authentication:login', external=True),
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}
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if settings.EMAIL_CUSTOM_USER_CREATED_BODY:
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custom_body = '<p style="text-indent:2em">' + settings.EMAIL_CUSTOM_USER_CREATED_BODY + '</p>'
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else:
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custom_body = ''
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body = custom_body + default_body
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return body
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def send_user_created_mail(user):
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recipient_list = [user.email]
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subject = _('Create account successfully')
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if settings.EMAIL_CUSTOM_USER_CREATED_SUBJECT:
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subject = settings.EMAIL_CUSTOM_USER_CREATED_SUBJECT
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honorific = '<p>' + _('Hello %(name)s') % {'name': user.name} + ':</p>'
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if settings.EMAIL_CUSTOM_USER_CREATED_HONORIFIC:
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honorific = '<p>' + settings.EMAIL_CUSTOM_USER_CREATED_HONORIFIC + ':</p>'
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body = construct_user_created_email_body(user)
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signature = '<p style="float:right">jumpserver</p>'
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if settings.EMAIL_CUSTOM_USER_CREATED_SIGNATURE:
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signature = '<p style="float:right">' + settings.EMAIL_CUSTOM_USER_CREATED_SIGNATURE + '</p>'
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message = honorific + body + signature
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if settings.DEBUG:
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try:
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print(message)
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except OSError:
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pass
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send_mail_async.delay(subject, message, recipient_list, html_message=message)
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def send_reset_password_mail(user):
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subject = _('Reset password')
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recipient_list = [user.email]
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message = _("""
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Hello %(name)s:
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</br>
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Please click the link below to reset your password, if not your request, concern your account security
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</br>
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<a href="%(rest_password_url)s?token=%(rest_password_token)s">Click here reset password</a>
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</br>
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This link is valid for 1 hour. After it expires, <a href="%(forget_password_url)s?email=%(email)s">request new one</a>
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</br>
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---
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</br>
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<a href="%(login_url)s">Login direct</a>
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</br>
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""") % {
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'name': user.name,
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'rest_password_url': reverse('users:reset-password', external=True),
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'rest_password_token': user.generate_reset_token(),
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'forget_password_url': reverse('users:forgot-password', external=True),
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'email': user.email,
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'login_url': reverse('authentication:login', external=True),
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}
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if settings.DEBUG:
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logger.debug(message)
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send_mail_async.delay(subject, message, recipient_list, html_message=message)
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def send_password_expiration_reminder_mail(user):
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subject = _('Security notice')
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recipient_list = [user.email]
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message = _("""
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Hello %(name)s:
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</br>
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Your password will expire in %(date_password_expired)s,
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</br>
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For your account security, please click on the link below to update your password in time
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</br>
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<a href="%(update_password_url)s">Click here update password</a>
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</br>
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If your password has expired, please click
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<a href="%(forget_password_url)s?email=%(email)s">Password expired</a>
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to apply for a password reset email.
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</br>
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---
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</br>
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<a href="%(login_url)s">Login direct</a>
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</br>
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""") % {
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'name': user.name,
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'date_password_expired': datetime.fromtimestamp(datetime.timestamp(
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user.date_password_expired)).strftime('%Y-%m-%d %H:%M'),
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'update_password_url': reverse('users:user-password-update', external=True),
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'forget_password_url': reverse('users:forgot-password', external=True),
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'email': user.email,
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'login_url': reverse('authentication:login', external=True),
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}
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if settings.DEBUG:
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logger.debug(message)
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send_mail_async.delay(subject, message, recipient_list, html_message=message)
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def send_reset_ssh_key_mail(user):
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subject = _('SSH Key Reset')
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recipient_list = [user.email]
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message = _("""
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Hello %(name)s:
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</br>
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Your ssh public key has been reset by site administrator.
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Please login and reset your ssh public key.
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</br>
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<a href="%(login_url)s">Login direct</a>
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</br>
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""") % {
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'name': user.name,
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'login_url': reverse('authentication:login', external=True),
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}
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if settings.DEBUG:
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logger.debug(message)
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send_mail_async.delay(subject, message, recipient_list, html_message=message)
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def check_user_valid(**kwargs):
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password = kwargs.pop('password', None)
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public_key = kwargs.pop('public_key', None)
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email = kwargs.pop('email', None)
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username = kwargs.pop('username', None)
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if username:
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user = get_object_or_none(User, username=username)
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elif email:
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user = get_object_or_none(User, email=email)
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else:
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user = None
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if user is None:
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return None, _('User not exist')
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elif not user.is_valid:
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return None, _('Disabled or expired')
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if password and authenticate(username=username, password=password):
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return user, ''
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if public_key and user.public_key:
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public_key_saved = user.public_key.split()
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if len(public_key_saved) == 1:
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if public_key == public_key_saved[0]:
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return user, ''
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elif len(public_key_saved) > 1:
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if public_key == public_key_saved[1]:
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return user, ''
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return None, _('Password or SSH public key invalid')
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def get_user_or_tmp_user(request):
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user = request.user
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tmp_user = get_tmp_user_from_cache(request)
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if user.is_authenticated:
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return user
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elif tmp_user:
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return tmp_user
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else:
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raise Http404("Not found this user")
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def get_tmp_user_from_cache(request):
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if not request.session.session_key:
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return None
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user = cache.get(request.session.session_key+'user')
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return user
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def set_tmp_user_to_cache(request, user):
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cache.set(request.session.session_key+'user', user, 600)
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def redirect_user_first_login_or_index(request, redirect_field_name):
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if request.user.is_first_login:
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return reverse('users:user-first-login')
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return request.POST.get(
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redirect_field_name,
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request.GET.get(redirect_field_name, reverse('index')))
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def generate_otp_uri(request, issuer="Jumpserver"):
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user = get_user_or_tmp_user(request)
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otp_secret_key = cache.get(request.session.session_key+'otp_key', '')
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if not otp_secret_key:
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otp_secret_key = base64.b32encode(os.urandom(10)).decode('utf-8')
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cache.set(request.session.session_key+'otp_key', otp_secret_key, 600)
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totp = pyotp.TOTP(otp_secret_key)
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otp_issuer_name = settings.OTP_ISSUER_NAME or issuer
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return totp.provisioning_uri(name=user.username, issuer_name=otp_issuer_name), otp_secret_key
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def check_otp_code(otp_secret_key, otp_code):
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if not otp_secret_key or not otp_code:
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return False
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totp = pyotp.TOTP(otp_secret_key)
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otp_valid_window = settings.OTP_VALID_WINDOW or 0
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return totp.verify(otp=otp_code, valid_window=otp_valid_window)
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def get_password_check_rules():
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check_rules = []
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for rule in settings.SECURITY_PASSWORD_RULES:
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key = "id_{}".format(rule.lower())
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value = getattr(settings, rule)
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if not value:
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continue
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check_rules.append({'key': key, 'value': int(value)})
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return check_rules
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def check_password_rules(password):
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pattern = r"^"
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if settings.SECURITY_PASSWORD_UPPER_CASE:
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pattern += '(?=.*[A-Z])'
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if settings.SECURITY_PASSWORD_LOWER_CASE:
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pattern += '(?=.*[a-z])'
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if settings.SECURITY_PASSWORD_NUMBER:
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pattern += '(?=.*\d)'
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if settings.SECURITY_PASSWORD_SPECIAL_CHAR:
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pattern += '(?=.*[`~!@#\$%\^&\*\(\)-=_\+\[\]\{\}\|;:\'\",\.<>\/\?])'
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pattern += '[a-zA-Z\d`~!@#\$%\^&\*\(\)-=_\+\[\]\{\}\|;:\'\",\.<>\/\?]'
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pattern += '.{' + str(settings.SECURITY_PASSWORD_MIN_LENGTH-1) + ',}$'
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match_obj = re.match(pattern, password)
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return bool(match_obj)
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key_prefix_limit = "_LOGIN_LIMIT_{}_{}"
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key_prefix_block = "_LOGIN_BLOCK_{}"
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# def increase_login_failed_count(key_limit, key_block):
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def increase_login_failed_count(username, ip):
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key_limit = key_prefix_limit.format(username, ip)
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count = cache.get(key_limit)
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count = count + 1 if count else 1
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limit_time = settings.SECURITY_LOGIN_LIMIT_TIME
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cache.set(key_limit, count, int(limit_time)*60)
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def clean_failed_count(username, ip):
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key_limit = key_prefix_limit.format(username, ip)
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key_block = key_prefix_block.format(username)
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cache.delete(key_limit)
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cache.delete(key_block)
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def is_block_login(username, ip):
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key_limit = key_prefix_limit.format(username, ip)
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key_block = key_prefix_block.format(username)
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count = cache.get(key_limit, 0)
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limit_count = settings.SECURITY_LOGIN_LIMIT_COUNT
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limit_time = settings.SECURITY_LOGIN_LIMIT_TIME
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if count >= limit_count:
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cache.set(key_block, 1, int(limit_time)*60)
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if count and count >= limit_count:
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return True
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def is_need_unblock(key_block):
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if not cache.get(key_block):
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return False
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return True
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def construct_user_email(username, email):
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if '@' not in email:
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if '@' in username:
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email = username
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else:
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email = '{}@{}'.format(username, settings.EMAIL_SUFFIX)
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return email
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