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335 lines
10 KiB
335 lines
10 KiB
# ~*~ 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 uuid
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import requests
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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, login as auth_login
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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 common.tasks import send_mail_async
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from common.utils import reverse, get_object_or_none
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from common.models import Setting
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from common.forms import SecuritySettingForm
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from .models import User, LoginLog
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logger = logging.getLogger('jumpserver')
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class AdminUserRequiredMixin(UserPassesTestMixin):
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def test_func(self):
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if not self.request.user.is_authenticated:
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return False
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elif not self.request.user.is_superuser:
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self.raise_exception = True
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return False
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return True
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def send_user_created_mail(user):
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subject = _('Create account successfully')
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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 account has been created successfully
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</br>
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Username: %(username)s
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</br>
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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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</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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'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('users:login', external=True),
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}
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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('users: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('users: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 refresh_token(token, user, expiration=settings.TOKEN_EXPIRATION or 3600):
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cache.set(token, user.id, expiration)
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def generate_token(request, user):
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expiration = settings.TOKEN_EXPIRATION or 3600
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remote_addr = request.META.get('REMOTE_ADDR', '')
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if not isinstance(remote_addr, bytes):
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remote_addr = remote_addr.encode("utf-8")
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remote_addr = base64.b16encode(remote_addr) # .replace(b'=', '')
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token = cache.get('%s_%s' % (user.id, remote_addr))
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if not token:
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token = uuid.uuid4().hex
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cache.set(token, user.id, expiration)
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cache.set('%s_%s' % (user.id, remote_addr), token, expiration)
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return token
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def validate_ip(ip):
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try:
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ipaddress.ip_address(ip)
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return True
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except ValueError:
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pass
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return False
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def get_login_ip(request):
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x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR', '').split(',')
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if x_forwarded_for and x_forwarded_for[0]:
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login_ip = x_forwarded_for[0]
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else:
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login_ip = request.META.get('REMOTE_ADDR', '')
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return login_ip
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def write_login_log(username, type='', ip='', user_agent=''):
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if not (ip and validate_ip(ip)):
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ip = ip[:15]
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city = "Unknown"
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else:
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city = get_ip_city(ip)
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LoginLog.objects.create(
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username=username, type=type,
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ip=ip, city=city, user_agent=user_agent
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)
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def get_ip_city(ip, timeout=10):
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# Taobao ip api: http://ip.taobao.com//service/getIpInfo.php?ip=8.8.8.8
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# Sina ip api: http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=8.8.8.8&format=json
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url = 'http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=%s&format=json' % ip
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try:
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r = requests.get(url, timeout=timeout)
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except:
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r = None
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city = 'Unknown'
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if r and r.status_code == 200:
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try:
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data = r.json()
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if not isinstance(data, int) and data['ret'] == 1:
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city = data['country'] + ' ' + data['city']
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except ValueError:
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pass
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return city
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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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return totp.provisioning_uri(name=user.username, issuer_name=issuer)
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def check_otp_code(otp_secret_key, otp_code):
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totp = pyotp.TOTP(otp_secret_key)
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return totp.verify(otp_code)
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def get_password_check_rules():
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check_rules = []
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min_length = settings.DEFAULT_PASSWORD_MIN_LENGTH
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min_name = 'SECURITY_PASSWORD_MIN_LENGTH'
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base_filed = SecuritySettingForm.base_fields
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password_setting = Setting.objects.filter(name__startswith='SECURITY_PASSWORD')
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if not password_setting:
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# 用户还没有设置过密码校验规则
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label = base_filed.get(min_name).label
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label += ' ' + str(min_length) + _('Bit')
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id = 'rule_' + min_name
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rules = {'id': id, 'label': label}
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check_rules.append(rules)
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for setting in password_setting:
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if setting.cleaned_value:
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id = 'rule_' + setting.name
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label = base_filed.get(setting.name).label
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if setting.name == min_name:
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label += str(setting.cleaned_value) + _('Bit')
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min_length = setting.cleaned_value
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rules = {'id': id, 'label': label}
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check_rules.append(rules)
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return check_rules, min_length
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def check_password_rules(password):
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min_field_name = 'SECURITY_PASSWORD_MIN_LENGTH'
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upper_field_name = 'SECURITY_PASSWORD_UPPER_CASE'
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lower_field_name = 'SECURITY_PASSWORD_LOWER_CASE'
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number_field_name = 'SECURITY_PASSWORD_NUMBER'
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special_field_name = 'SECURITY_PASSWORD_SPECIAL_CHAR'
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min_length_setting = Setting.objects.filter(name=min_field_name).first()
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min_length = min_length_setting.value if min_length_setting else settings.DEFAULT_PASSWORD_MIN_LENGTH
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password_setting = Setting.objects.filter(name__startswith='SECURITY_PASSWORD')
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if not password_setting:
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pattern = r"^.{" + str(min_length) + ",}$"
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else:
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pattern = r"^"
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for setting in password_setting:
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if setting.cleaned_value and setting.name == upper_field_name:
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pattern += '(?=.*[A-Z])'
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elif setting.cleaned_value and setting.name == lower_field_name:
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pattern += '(?=.*[a-z])'
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elif setting.cleaned_value and setting.name == number_field_name:
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pattern += '(?=.*\d)'
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elif setting.cleaned_value and setting.name == special_field_name:
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pattern += '(?=.*[`~!@#\$%\^&\*\(\)-=_\+\[\]\{\}\|;:\'",\.<>\/\?])'
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pattern += '[a-zA-Z\d`~!@#\$%\^&\*\(\)-=_\+\[\]\{\}\|;:\'",\.<>\/\?]'
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match_obj = re.match(pattern, password)
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return bool(match_obj)
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