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252 lines
7.9 KiB
252 lines
7.9 KiB
# ~*~ coding: utf-8 ~*~
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#
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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 time
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from django.conf import settings
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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, get_request_ip_or_data, get_request_user_agent
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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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<div>
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<p>Your account has been created successfully</p>
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<div>
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Username: %(username)s
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<br/>
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Password: <a href="%(rest_password_url)s?token=%(rest_password_token)s">
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click here to set your password</a>
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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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</div>
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<div>
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<p>---</p>
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<a href="%(login_url)s">Login direct</a>
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</div>
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</div>
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""") % {
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'username': user.username,
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'rest_password_url': reverse('authentication:reset-password', external=True),
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'rest_password_token': user.generate_reset_token(),
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'forget_password_url': reverse('authentication: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 get_user_or_pre_auth_user(request):
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user = request.user
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if user.is_authenticated:
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return user
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pre_auth_user_id = request.session.get('user_id')
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user = None
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if pre_auth_user_id:
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user = get_object_or_none(User, pk=pre_auth_user_id)
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return user
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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('authentication:user-first-login')
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url_in_post = request.POST.get(redirect_field_name)
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if url_in_post:
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return url_in_post
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url_in_get = request.GET.get(redirect_field_name, reverse('index'))
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return url_in_get
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def generate_otp_uri(username, otp_secret_key=None, issuer="JumpServer"):
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if otp_secret_key is None:
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otp_secret_key = base64.b32encode(os.urandom(10)).decode('utf-8')
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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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uri = totp.provisioning_uri(name=username, issuer_name=otp_issuer_name)
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return uri, 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(user):
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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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if user.is_org_admin and rule == 'SECURITY_PASSWORD_MIN_LENGTH':
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rule = 'SECURITY_ADMIN_USER_PASSWORD_MIN_LENGTH'
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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, is_org_admin=False):
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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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if is_org_admin:
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min_length = settings.SECURITY_ADMIN_USER_PASSWORD_MIN_LENGTH
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else:
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min_length = settings.SECURITY_PASSWORD_MIN_LENGTH
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pattern += '.{' + str(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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class BlockUtil:
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BLOCK_KEY_TMPL: str
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def __init__(self, username):
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self.block_key = self.BLOCK_KEY_TMPL.format(username)
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self.key_ttl = int(settings.SECURITY_LOGIN_LIMIT_TIME) * 60
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def block(self):
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cache.set(self.block_key, True, self.key_ttl)
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def is_block(self):
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return bool(cache.get(self.block_key))
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class BlockUtilBase:
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LIMIT_KEY_TMPL: str
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BLOCK_KEY_TMPL: str
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def __init__(self, username, ip):
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self.username = username
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self.ip = ip
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self.limit_key = self.LIMIT_KEY_TMPL.format(username, ip)
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self.block_key = self.BLOCK_KEY_TMPL.format(username)
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self.key_ttl = int(settings.SECURITY_LOGIN_LIMIT_TIME) * 60
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def get_remainder_times(self):
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times_up = settings.SECURITY_LOGIN_LIMIT_COUNT
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times_failed = self.get_failed_count()
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times_remainder = int(times_up) - int(times_failed)
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return times_remainder
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def incr_failed_count(self):
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limit_key = self.limit_key
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count = cache.get(limit_key, 0)
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count += 1
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cache.set(limit_key, count, self.key_ttl)
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limit_count = settings.SECURITY_LOGIN_LIMIT_COUNT
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if count >= limit_count:
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cache.set(self.block_key, True, self.key_ttl)
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def get_failed_count(self):
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count = cache.get(self.limit_key, 0)
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return count
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def clean_failed_count(self):
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cache.delete(self.limit_key)
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cache.delete(self.block_key)
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@classmethod
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def unblock_user(cls, username):
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key_limit = cls.LIMIT_KEY_TMPL.format(username, '*')
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key_block = cls.BLOCK_KEY_TMPL.format(username)
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# Redis 尽量不要用通配
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cache.delete_pattern(key_limit)
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cache.delete(key_block)
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@classmethod
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def is_user_block(cls, username):
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block_key = cls.BLOCK_KEY_TMPL.format(username)
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return bool(cache.get(block_key))
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def is_block(self):
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return bool(cache.get(self.block_key))
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class LoginBlockUtil(BlockUtilBase):
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LIMIT_KEY_TMPL = "_LOGIN_LIMIT_{}_{}"
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BLOCK_KEY_TMPL = "_LOGIN_BLOCK_{}"
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class MFABlockUtils(BlockUtilBase):
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LIMIT_KEY_TMPL = "_MFA_LIMIT_{}_{}"
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BLOCK_KEY_TMPL = "_MFA_BLOCK_{}"
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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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def get_current_org_members(exclude=()):
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from orgs.utils import current_org
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return current_org.get_members(exclude=exclude)
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def is_auth_time_valid(session, key):
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return True if session.get(key, 0) > time.time() else False
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def is_auth_password_time_valid(session):
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return is_auth_time_valid(session, 'auth_password_expired_at')
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def is_auth_otp_time_valid(session):
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return is_auth_time_valid(session, 'auth_opt_expired_at')
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