feat: MFA 登录次数限制

apps/authentication/api/mfa.py

@@ -29,7 +29,7 @@ class MFAChallengeApi(AuthMixin, CreateAPIView):
             if not valid:
                 self.request.session['auth_mfa'] = ''
                 raise errors.MFAFailedError(
-                    username=user.username, request=self.request
+                    username=user.username, request=self.request, ip=self.get_request_ip()
                 )
             else:
                 self.request.session['auth_mfa'] = '1'

apps/authentication/errors.py

@@ -6,9 +6,7 @@ from django.conf import settings
 
 from common.exceptions import JMSException
 from .signals import post_auth_failed
-from users.utils import (
+from users.utils import LoginBlockUtil, MFABlockUtils
-    increase_login_failed_count, get_login_failed_count
-)
 
 reason_password_failed = 'password_failed'
 reason_password_decrypt_failed = 'password_decrypt_failed'
@@ -52,7 +50,15 @@ block_login_msg = _(
     "The account has been locked "
     "(please contact admin to unlock it or try again after {} minutes)"
 )
-mfa_failed_msg = _("MFA code invalid, or ntp sync server time")
+block_mfa_msg = _(
+    "The account has been locked "
+    "(please contact admin to unlock it or try again after {} minutes)"
+)
+mfa_failed_msg = _(
+    "MFA code invalid, or ntp sync server time, "
+    "You can also try {times_try} times "
+    "(The account will be temporarily locked for {block_time} minutes)"
+)
 
 mfa_required_msg = _("MFA required")
 mfa_unset_msg = _("MFA not set, please set it first")
@@ -80,7 +86,7 @@ class AuthFailedNeedBlockMixin:
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        increase_login_failed_count(self.username, self.ip)
+        LoginBlockUtil(self.username, self.ip).incr_failed_count()
 
 
 class AuthFailedError(Exception):
@@ -107,13 +113,12 @@ class AuthFailedError(Exception):
 class CredentialError(AuthFailedNeedLogMixin, AuthFailedNeedBlockMixin, AuthFailedError):
     def __init__(self, error, username, ip, request):
         super().__init__(error=error, username=username, ip=ip, request=request)
-        times_up = settings.SECURITY_LOGIN_LIMIT_COUNT
+        util = LoginBlockUtil(username, ip)
-        times_failed = get_login_failed_count(username, ip)
+        times_remainder = util.get_remainder_times()
-        times_try = int(times_up) - int(times_failed)
         block_time = settings.SECURITY_LOGIN_LIMIT_TIME
 
         default_msg = invalid_login_msg.format(
-            times_try=times_try, block_time=block_time
+            times_try=times_remainder, block_time=block_time
         )
         if error == reason_password_failed:
             self.msg = default_msg
@@ -123,12 +128,32 @@ class CredentialError(AuthFailedNeedLogMixin, AuthFailedNeedBlockMixin, AuthFail
 
 class MFAFailedError(AuthFailedNeedLogMixin, AuthFailedError):
     error = reason_mfa_failed
-    msg = mfa_failed_msg
+    msg: str
 
-    def __init__(self, username, request):
+    def __init__(self, username, request, ip):
+        util = MFABlockUtils(username, ip)
+        util.incr_failed_count()
+
+        times_remainder = util.get_remainder_times()
+        block_time = settings.SECURITY_LOGIN_LIMIT_TIME
+
+        if times_remainder:
+            self.msg = mfa_failed_msg.format(
+                times_try=times_remainder, block_time=block_time
+            )
+        else:
+            self.msg = block_mfa_msg.format(settings.SECURITY_LOGIN_LIMIT_TIME)
         super().__init__(username=username, request=request)
 
 
+class BlockMFAError(AuthFailedNeedLogMixin, AuthFailedError):
+    error = 'block_mfa'
+
+    def __init__(self, username, request, ip):
+        self.msg = block_mfa_msg.format(settings.SECURITY_LOGIN_LIMIT_TIME)
+        super().__init__(username=username, request=request, ip=ip)
+
+
 class MFAUnsetError(AuthFailedNeedLogMixin, AuthFailedError):
     error = reason_mfa_unset
     msg = mfa_unset_msg

apps/authentication/mixins.py

@@ -15,9 +15,7 @@ from django.shortcuts import reverse
 
 from common.utils import get_object_or_none, get_request_ip, get_logger, bulk_get
 from users.models import User
-from users.utils import (
+from users.utils import LoginBlockUtil, MFABlockUtils
-    is_block_login, clean_failed_count
-)
 from . import errors
 from .utils import rsa_decrypt
 from .signals import post_auth_success, post_auth_failed
@@ -117,7 +115,7 @@ class AuthMixin:
         else:
             username = self.request.POST.get("username")
         ip = self.get_request_ip()
-        if is_block_login(username, ip):
+        if LoginBlockUtil(username, ip).is_block():
             logger.warn('Ip was blocked' + ': ' + username + ':' + ip)
             exception = errors.BlockLoginError(username=username, ip=ip)
             if raise_exception:
@@ -197,7 +195,7 @@ class AuthMixin:
         self._check_password_require_reset_or_not(user)
         self._check_passwd_is_too_simple(user, password)
 
-        clean_failed_count(username, ip)
+        LoginBlockUtil(username, ip).clean_failed_count()
         request.session['auth_password'] = 1
         request.session['user_id'] = str(user.id)
         request.session['auto_login'] = auto_login
@@ -253,15 +251,34 @@ class AuthMixin:
             raise errors.MFAUnsetError(user, self.request, url)
         raise errors.MFARequiredError()
 
-    def check_user_mfa(self, code):
+    def mark_mfa_ok(self):
-        user = self.get_user_from_session()
-        ok = user.check_mfa(code)
-        if ok:
         self.request.session['auth_mfa'] = 1
         self.request.session['auth_mfa_time'] = time.time()
         self.request.session['auth_mfa_type'] = 'otp'
+
+    def check_mfa_is_block(self, username, ip, raise_exception=True):
+        if MFABlockUtils(username, ip).is_block():
+            logger.warn('Ip was blocked' + ': ' + username + ':' + ip)
+            exception = errors.BlockMFAError(username=username, request=self.request, ip=ip)
+            if raise_exception:
+                raise exception
+            else:
+                return exception
+
+    def check_user_mfa(self, code):
+        user = self.get_user_from_session()
+        ip = self.get_request_ip()
+        self.check_mfa_is_block(user.username, ip)
+        ok = user.check_mfa(code)
+        if ok:
+            self.mark_mfa_ok()
             return
-        raise errors.MFAFailedError(username=user.username, request=self.request)
+
+        raise errors.MFAFailedError(
+            username=user.username,
+            request=self.request,
+            ip=ip
+        )
 
     def get_ticket(self):
         from tickets.models import Ticket

apps/authentication/views/mfa.py

@@ -22,10 +22,12 @@ class UserLoginOtpView(mixins.AuthMixin, FormView):
         try:
             self.check_user_mfa(otp_code)
             return redirect_to_guard_view()
-        except errors.MFAFailedError as e:
+        except (errors.MFAFailedError, errors.BlockMFAError) as e:
             form.add_error('otp_code', e.msg)
             return super().form_invalid(form)
         except Exception as e:
             logger.error(e)
+            import traceback
+            traceback.print_exception()
             return redirect_to_guard_view()
 

apps/users/api/user.py

@@ -16,7 +16,7 @@ from common.mixins import CommonApiMixin
 from common.utils import get_logger
 from orgs.utils import current_org
 from orgs.models import ROLE as ORG_ROLE, OrganizationMember
-from users.utils import send_reset_mfa_mail
+from users.utils import send_reset_mfa_mail, LoginBlockUtil, MFABlockUtils
 from .. import serializers
 from ..serializers import UserSerializer, UserRetrieveSerializer, MiniUserSerializer, InviteSerializer
 from .mixins import UserQuerysetMixin
@@ -190,16 +190,12 @@ class UserChangePasswordApi(UserQuerysetMixin, generics.RetrieveUpdateAPIView):
 class UserUnblockPKApi(UserQuerysetMixin, generics.UpdateAPIView):
     permission_classes = (IsOrgAdmin,)
     serializer_class = serializers.UserSerializer
-    key_prefix_limit = "_LOGIN_LIMIT_{}_{}"
-    key_prefix_block = "_LOGIN_BLOCK_{}"
 
     def perform_update(self, serializer):
         user = self.get_object()
         username = user.username if user else ''
-        key_limit = self.key_prefix_limit.format(username, '*')
+        LoginBlockUtil.unblock_user(username)
-        key_block = self.key_prefix_block.format(username)
+        MFABlockUtils.unblock_user(username)
-        cache.delete_pattern(key_limit)
-        cache.delete(key_block)
 
 
 class UserResetOTPApi(UserQuerysetMixin, generics.RetrieveAPIView):

apps/users/models/user.py

@@ -669,10 +669,13 @@ class User(AuthMixin, TokenMixin, RoleMixin, MFAMixin, AbstractUser):
 
     @property
     def login_blocked(self):
-        key_prefix_block = "_LOGIN_BLOCK_{}"
+        from users.utils import LoginBlockUtil, MFABlockUtils
-        key_block = key_prefix_block.format(self.username)
+        if LoginBlockUtil.is_user_block(self.username):
-        blocked = bool(cache.get(key_block))
+            return True
-        return blocked
+        if MFABlockUtils.is_user_block(self.username):
+            return True
+
+        return False
 
     def delete(self, using=None, keep_parents=False):
         if self.pk == 1 or self.username == 'admin':

apps/users/utils.py

@@ -322,50 +322,80 @@ def check_password_rules(password):
     return bool(match_obj)
 
 
-key_prefix_limit = "_LOGIN_LIMIT_{}_{}"
+class BlockUtil:
-key_prefix_block = "_LOGIN_BLOCK_{}"
+    BLOCK_KEY_TMPL: str
+
+    def __init__(self, username):
+        self.block_key = self.BLOCK_KEY_TMPL.format(username)
+        self.key_ttl = int(settings.SECURITY_LOGIN_LIMIT_TIME) * 60
+
+    def block(self):
+        cache.set(self.block_key, True, self.key_ttl)
+
+    def is_block(self):
+        return bool(cache.get(self.block_key))
 
 
-# def increase_login_failed_count(key_limit, key_block):
+class BlockUtilBase:
-def increase_login_failed_count(username, ip):
+    LIMIT_KEY_TMPL: str
-    key_limit = key_prefix_limit.format(username, ip)
+    BLOCK_KEY_TMPL: str
-    count = cache.get(key_limit)
-    count = count + 1 if count else 1
 
-    limit_time = settings.SECURITY_LOGIN_LIMIT_TIME
+    def __init__(self, username, ip):
-    cache.set(key_limit, count, int(limit_time)*60)
+        self.username = username
+        self.ip = ip
+        self.limit_key = self.LIMIT_KEY_TMPL.format(username, ip)
+        self.block_key = self.BLOCK_KEY_TMPL.format(username)
+        self.key_ttl = int(settings.SECURITY_LOGIN_LIMIT_TIME) * 60
 
+    def get_remainder_times(self):
+        times_up = settings.SECURITY_LOGIN_LIMIT_COUNT
+        times_failed = self.get_failed_count()
+        times_remainder = int(times_up) - int(times_failed)
+        return times_remainder
 
-def get_login_failed_count(username, ip):
+    def incr_failed_count(self):
-    key_limit = key_prefix_limit.format(username, ip)
+        limit_key = self.limit_key
-    count = cache.get(key_limit, 0)
+        count = cache.get(limit_key, 0)
-    return count
+        count += 1
-
+        cache.set(limit_key, count, self.key_ttl)
-
-def clean_failed_count(username, ip):
-    key_limit = key_prefix_limit.format(username, ip)
-    key_block = key_prefix_block.format(username)
-    cache.delete(key_limit)
-    cache.delete(key_block)
-
-
-def is_block_login(username, ip):
-    count = get_login_failed_count(username, ip)
-    key_block = key_prefix_block.format(username)
 
         limit_count = settings.SECURITY_LOGIN_LIMIT_COUNT
-    limit_time = settings.SECURITY_LOGIN_LIMIT_TIME
-
         if count >= limit_count:
-        cache.set(key_block, 1, int(limit_time)*60)
+            cache.set(self.block_key, True, self.key_ttl)
-    if count and count >= limit_count:
+
-        return True
+    def get_failed_count(self):
+        count = cache.get(self.limit_key, 0)
+        return count
+
+    def clean_failed_count(self):
+        cache.delete(self.limit_key)
+        cache.delete(self.block_key)
+
+    @classmethod
+    def unblock_user(cls, username):
+        key_limit = cls.LIMIT_KEY_TMPL.format(username, '*')
+        key_block = cls.BLOCK_KEY_TMPL.format(username)
+        # Redis 尽量不要用通配
+        cache.delete_pattern(key_limit)
+        cache.delete(key_block)
+
+    @classmethod
+    def is_user_block(cls, username):
+        block_key = cls.BLOCK_KEY_TMPL.format(username)
+        return bool(cache.get(block_key))
+
+    def is_block(self):
+        return bool(cache.get(self.block_key))
 
 
-def is_need_unblock(key_block):
+class LoginBlockUtil(BlockUtilBase):
-    if not cache.get(key_block):
+    LIMIT_KEY_TMPL = "_LOGIN_LIMIT_{}_{}"
-        return False
+    BLOCK_KEY_TMPL = "_LOGIN_BLOCK_{}"
-    return True
+
+
+class MFABlockUtils(BlockUtilBase):
+    LIMIT_KEY_TMPL = "_MFA_LIMIT_{}_{}"
+    BLOCK_KEY_TMPL = "_MFA_BLOCK_{}"
 
 
 def construct_user_email(username, email):