Better Error Handling

CHANGELOG.md

@@ -0,0 +1,17 @@
+# Change Log
+
+## v 1.6.0
+  * Fixed some issues for django>= 2.0
+  * Added example app.
+
+## v.1.5.0
+  * Added id the key used to validate to the session dictionary as 'id'
+## v1.4.0
+  * Updated to FIDO == 0.7
+
+## v1.3.0
+  * Updated to FIDO2 == 0.6
+  * Windows Hello is now supported.
+
+## v1.2.0
+ * Added:  MFA_HIDE_DISABLE setting option to disable users from deactivating their keys.

README.md

@@ -53,6 +53,7 @@ Depends on
    MFA_RECHECK_MAX=30         # Maximum in seconds
    MFA_QUICKLOGIN=True        # Allow quick login for returning users by provide only their 2FA
    MFA_HIDE_DISABLE=('FIDO2',)     # Can the user disable his key (Added in 1.2.0).
+   MFA_OWNED_BY_ENTERPRISE = FALSE  # Who ownes security keys   
 
    TOKEN_ISSUER_NAME="PROJECT_NAME"      #TOTP Issuer name
 
@@ -68,8 +69,9 @@ Depends on
    * Trusted_Devices
    * Email
    
-   **Note**: Starting version 1.1, ~~FIDO_LOGIN_URL~~ isn't required for FIDO2 anymore.
-   
+   **Notes**:
+    * Starting version 1.1, ~~FIDO_LOGIN_URL~~ isn't required for FIDO2 anymore.
+    * Starting version 1.7.0, Key owners can be specified.
 1. Break your login function
 
    Usually your login function will check for username and password, log the user in if the username and password are correct and create the user session, to support mfa, this has to change

example/example/settings.py

@@ -127,8 +127,8 @@ LOGIN_URL="/auth/login"
 EMAIL_FROM='Test App'
 EMAIL_HOST="smtp.gmail.com"
 EMAIL_PORT=587
-EMAIL_HOST_USER="mkalioby@gmail.com"
-EMAIL_HOST_PASSWORD='wanted85'
+EMAIL_HOST_USER=""
+EMAIL_HOST_PASSWORD=''
 EMAIL_USE_TLS=True
 
 

mfa/CHANGELOG.md

@@ -1,13 +0,0 @@
-# Change Log
-
-## v.1.5.0
-* Added id the key used to validate to the session dictionary as 'id'
-## v1.4.0
-* Updated to FIDO == 0.7
-
-## v1.3.0
-  * Updated to FIDO2 == 0.6
-  * Windows Hello is now supported.
-
-## v1.2.0
- * Added:  MFA_HIDE_DISABLE setting option to disable users from deactivating their keys.

mfa/FIDO2.py

@@ -12,14 +12,15 @@ from django.conf import settings
 from .models import *
 from fido2.utils import websafe_decode,websafe_encode
 from fido2.ctap2 import AttestedCredentialData
-from .views import login
+from .views import login,reset_cookie
 import datetime
 from django.utils import timezone
 
 def recheck(request):
     context = csrf(request)
     context["mode"]="recheck"
-    return request("FIDO2/recheck.html", context)
+    request.session["mfa_recheck"]=True
+    return render(request,"FIDO2/recheck.html", context)
 
 
 def getServer():
@@ -52,13 +53,16 @@ def complete_reg(request):
         uk=User_Keys()
         uk.username = request.user.username
         uk.properties = {"device":encoded,"type":att_obj.fmt,}
+        uk.owned_by_enterprise=getattr(settings,"MFA_OWNED_BY_ENTERPRISE",False)
         uk.key_type = "FIDO2"
         uk.save()
         return HttpResponse(simplejson.dumps({'status': 'OK'}))
     except Exception as exp:
+        try:
             from raven.contrib.django.raven_compat.models import client
-        import traceback
             client.captureException()
+        except:
+            pass
         return HttpResponse(simplejson.dumps({'status': 'ERR',"message":"Error on server, please try again later"}))
 def start(request):
     context = csrf(request)
@@ -83,6 +87,7 @@ def authenticate_begin(request):
 
 @csrf_exempt
 def authenticate_complete(request):
+    try:
         credentials = []
         username=request.session.get("base_username",request.user.username)
         server=getServer()
@@ -92,7 +97,7 @@ def authenticate_complete(request):
         client_data = ClientData(data['clientDataJSON'])
         auth_data = AuthenticatorData(data['authenticatorData'])
         signature = data['signature']
-
+        try:
             cred = server.authenticate_complete(
                 request.session.pop('fido_state'),
                 credentials,
@@ -101,8 +106,27 @@ def authenticate_complete(request):
                 auth_data,
                 signature
             )
-    keys = User_Keys.objects.filter(username=username, key_type="FIDO2",enabled=1)
+        except ValueError:
+            return HttpResponse(simplejson.dumps({'status': "ERR", "message": "Wrong challenge received, make sure that this is your security and try again."}),
+                                content_type = "application/json")
+        except Exception as excep:
+            try:
+                from raven.contrib.django.raven_compat.models import client
+                client.captureException()
+            except:
+                pass
+            return HttpResponse(simplejson.dumps({'status': "ERR",
+                                                  "message": excep.message}),
+                                content_type = "application/json")
+
+        if request.session.get("mfa_recheck",False):
+            import time
+            request.session["mfa"]["rechecked_at"]=time.time()
+            return HttpResponse(simplejson.dumps({'status': "OK"}),
+                                content_type="application/json")
+        else:
             import random
+            keys = User_Keys.objects.filter(username=username, key_type="FIDO2", enabled=1)
             for k in keys:
                 if AttestedCredentialData(websafe_decode(k.properties["device"])).credential_id == cred.credential_id:
                     k.last_used = timezone.now()
@@ -112,6 +136,11 @@ def authenticate_complete(request):
                         mfa["next_check"] = int((datetime.datetime.now()+ datetime.timedelta(
                         seconds=random.randint(settings.MFA_RECHECK_MIN, settings.MFA_RECHECK_MAX))).strftime("%s"))
                     request.session["mfa"] = mfa
+                    if not request.user.is_authenticated():
                         res=login(request)
+                        if not "location" in res: return reset_cookie(request)
                         return HttpResponse(simplejson.dumps({'status':"OK","redirect":res["location"]}),content_type="application/json")
-    return HttpResponse(simplejson.dumps({'status': "err"}),content_type="application/json")
+                    return HttpResponse(simplejson.dumps({'status': "OK"}),
+                                        content_type = "application/json")
+    except Exception as exp:
+        return HttpResponse(simplejson.dumps({'status': "ERR","message":exp.message}),content_type="application/json")

mfa/U2F.py

@@ -12,6 +12,7 @@ from django.conf import settings
 from django.http import HttpResponse
 from .models import *
 from .views import login
+import datetime
 from django.utils import timezone
 
 def recheck(request):
@@ -26,6 +27,8 @@ def recheck(request):
 def process_recheck(request):
     x=validate(request,request.user.username)
     if x==True:
+        import time
+        request.session["mfa"]["rechecked_at"] = time.time()
         return HttpResponse(simplejson.dumps({"recheck":True}),content_type="application/json")
     return x
 
@@ -89,6 +92,7 @@ def bind(request):
     User_Keys.objects.filter(username=request.user.username,key_type="U2F").delete()
     uk = User_Keys()
     uk.username = request.user.username
+    uk.owned_by_enterprise = getattr(settings, "MFA_OWNED_BY_ENTERPRISE", False)
     uk.properties = {"device":simplejson.loads(device.json),"cert":cert_hash}
     uk.key_type = "U2F"
     uk.save()

mfa/__init__.py

@@ -1 +1 @@
-__version__="1.5.0"
+__version__="1.6.0"

mfa/migrations/0009_user_keys_owned_by_enterprise.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+from django.conf import settings
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mfa', '0008_user_keys_last_used'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user_keys',
+            name='owned_by_enterprise',
+            field=models.NullBooleanField(default=None),
+        ),
+        migrations.RunSQL("update mfa_user_keys set owned_by_enterprise = %s where key_type='FIDO2'"%(1 if getattr(settings,"MFA_OWNED_BY_ENTERPRISE",False) else 0 ))
+    ]

mfa/models.py

@@ -13,6 +13,8 @@ class User_Keys(models.Model):
     enabled=models.BooleanField(default=True)
     expires=models.DateTimeField(null=True,default=None,blank=True)
     last_used=models.DateTimeField(null=True,default=None,blank=True)
+    owned_by_enterprise=models.NullBooleanField(default=None,null=True,blank=True)
+
     def save(self, force_insert=False, force_update=False, using=None, update_fields=None):
         if self.key_type == "Trusted Device" and self.properties.get("signature","") == "":
             self.properties["signature"]= jwt.encode({"username": self.username, "key": self.properties["key"]}, settings.SECRET_KEY)

mfa/templates/FIDO2/Auth.html

@@ -1,6 +1,4 @@
 {% extends "mfa_auth_base.html" %}
 {% block content %}
-    <br/>
-<br/>
 {% include 'FIDO2/recheck.html' with mode='auth' %}
 {% endblock %}

mfa/templates/FIDO2/recheck.html

@@ -18,10 +18,11 @@
 
             {% endif %}
                 <p style="color: green">please press the button on your security key to prove it is you.</p>
+                <div id="msgdiv"></div>
                 {% if mode == "auth" %}
                     <form id="u2f_login" action="{% url 'fido2_complete_auth' %}" method="post" enctype="multipart/form-data">
                 {% elif mode == "recheck" %}
-                    <form id="u2f_login" action="{% url 'u2f_recheck' %}" method="post">
+                    <form id="u2f_login" action="{% url 'fido2_recheck' %}" method="post" enctype="multipart/form-data">
                 {% endif %}
               {% csrf_token %}
               <input type="hidden" name="response" id="response" value=""/>
@@ -71,6 +72,8 @@
       }).then(function (response) {if (response.ok) return res = response.json()}).then(function (res) {
           if (res.status=="OK")
           {
+              $("#msgdiv").addClass("alert alert-success").removeClass("alert-danger")
+             $("#msgdiv").html("Verified....please wait")
           {%  if mode == "auth" %}
           window.location.href=res.redirect;
           {% elif mode == "recheck" %}
@@ -78,10 +81,13 @@
           {% endif %}
           }
           else {
+              $("#msgdiv").addClass("alert alert-danger").removeClass("alert-success")
+                $("#msgdiv").html("Verification Failed as " + res.message + ", <a href='javascript:void(0)' onclick='authen())'> try again</a> or <a href='javascript:void(0)' onclick='history.back()'> Go Back</a>")
+
               {%  if mode == "auth" %}
-                alert("Error occured, please try again")
-                login()
+
               {% elif mode == "recheck" %}
+
                 mfa_failed_function();
               {% endif %}
           }

mfa/totp.py

@@ -24,6 +24,8 @@ def recheck(request):
     context["mode"]="recheck"
     if request.method == "POST":
         if verify_login(request,request.user.username, token=request.POST["otp"]):
+            import time
+            request.session["mfa"]["rechecked_at"] = time.time()
             return HttpResponse(simplejson.dumps({"recheck": True}), content_type="application/json")
         else:
             return HttpResponse(simplejson.dumps({"recheck": False}), content_type="application/json")

mfa/urls.py

@@ -27,10 +27,7 @@ urlpatterns = [
     url(r'fido2/complete_auth', FIDO2.authenticate_complete, name="fido2_complete_auth"),
     url(r'fido2/begin_reg', FIDO2.begin_registeration, name="fido2_begin_reg"),
     url(r'fido2/complete_reg', FIDO2.complete_reg, name="fido2_complete_reg"),
-    url(r'u2f/bind', U2F.bind, name="bind_u2f"),
-    url(r'u2f/auth', U2F.auth, name="u2f_auth"),
-    url(r'u2f/process_recheck', U2F.process_recheck, name="u2f_recheck"),
-    url(r'u2f/verify', U2F.verify, name="u2f_verify"),
+    url(r'fido2/recheck', FIDO2.recheck, name="fido2_recheck"),
 
 
     url(r'td/$', TrustedDevice.start, name="start_td"),

setup.py

@@ -4,7 +4,7 @@ from setuptools import find_packages, setup
 
 setup(
     name='django-mfa2',
-    version='1.5.0',
+    version='1.7.11',
     description='Allows user to add 2FA to their accounts',
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",