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302 lines
8.8 KiB
302 lines
8.8 KiB
# ~*~ coding: utf-8 ~*~
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#
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import base64
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import logging
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import os
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import re
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import time
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import pyotp
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from django.conf import settings
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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, ip, safe_next_url
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from .models import User
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logger = logging.getLogger('jumpserver.users')
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def send_user_created_mail(user):
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from .notifications import UserCreatedMsg
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recipient_list = [user.email]
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msg = UserCreatedMsg(user).html_msg
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subject = msg['subject']
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message = msg['message']
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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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url = request.POST.get(redirect_field_name)
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if not url:
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url = request.GET.get(redirect_field_name)
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url = safe_next_url(url, request=request)
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# 防止 next 地址为 None
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if not url or url.lower() in ['none']:
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url = reverse('index')
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return url
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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) -> int:
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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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return limit_count - count
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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 BlockGlobalIpUtilBase:
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LIMIT_KEY_TMPL: str
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BLOCK_KEY_TMPL: str
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def __init__(self, ip):
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self.ip = ip
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self.limit_key = self.LIMIT_KEY_TMPL.format(ip)
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self.block_key = self.BLOCK_KEY_TMPL.format(ip)
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self.key_ttl = int(settings.SECURITY_LOGIN_IP_LIMIT_TIME) * 60
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@property
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def ip_in_black_list(self):
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return ip.contains_ip(self.ip, settings.SECURITY_LOGIN_IP_BLACK_LIST)
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@property
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def ip_in_white_list(self):
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return ip.contains_ip(self.ip, settings.SECURITY_LOGIN_IP_WHITE_LIST)
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def set_block_if_need(self):
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if self.ip_in_white_list or self.ip_in_black_list:
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return
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count = cache.get(self.limit_key, 0)
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count += 1
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cache.set(self.limit_key, count, self.key_ttl)
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limit_count = settings.SECURITY_LOGIN_IP_LIMIT_COUNT
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if count < limit_count:
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return
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cache.set(self.block_key, True, self.key_ttl)
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def clean_block_if_need(self):
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cache.delete(self.limit_key)
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cache.delete(self.block_key)
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def is_block(self):
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if self.ip_in_white_list:
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return False
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if self.ip_in_black_list:
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return True
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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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class LoginIpBlockUtil(BlockGlobalIpUtilBase):
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LIMIT_KEY_TMPL = "_LOGIN_LIMIT_{}"
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BLOCK_KEY_TMPL = "_LOGIN_BLOCK_IP_{}"
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def validate_emails(emails):
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pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
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for e in emails:
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e = e or ''
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if re.match(pattern, e):
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return e
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def construct_user_email(username, email, email_suffix=''):
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default = f'{username}@{email_suffix or settings.EMAIL_SUFFIX}'
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emails = [email, username]
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email = validate_emails(emails)
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return email or default
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def flatten_dict(d, parent_key='', sep='.'):
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items = {}
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for k, v in d.items():
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new_key = f"{parent_key}{sep}{k}" if parent_key else k
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if isinstance(v, dict):
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items.update(flatten_dict(v, new_key, sep=sep))
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elif isinstance(v, list):
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for i, item in enumerate(v):
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if isinstance(item, dict):
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items.update(flatten_dict(item, f"{new_key}[{i}]", sep=sep))
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else:
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items[f"{new_key}[{i}]"] = item
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else:
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items[new_key] = v
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return items
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def map_attributes(default_profile, profile, attributes):
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detail = default_profile
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for local_name, remote_name in attributes.items():
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value = profile.get(remote_name)
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if value:
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detail[local_name] = value
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return detail
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def get_current_org_members():
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from orgs.utils import current_org
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return current_org.get_members()
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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_otp_expired_at')
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def is_confirm_time_valid(session, key):
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if not settings.SECURITY_VIEW_AUTH_NEED_MFA:
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return True
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mfa_verify_time = session.get(key, 0)
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if time.time() - mfa_verify_time < settings.SECURITY_MFA_VERIFY_TTL:
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return True
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return False
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def is_auth_confirm_time_valid(session):
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return is_confirm_time_valid(session, 'MFA_VERIFY_TIME')
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