add failed page

oauth/templates/oauth/failed.html

@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+
+{% block title %}Login Failed{% endblock %}
+
+{% block content %}
+	<h2>Login Failed</h2>
+
+	{% if error %}
+		<h3>{{ error }}</h3>
+	{% endif %}
+{% endblock %}

oauth/views.py

@@ -4,7 +4,7 @@ import requests
 from django.conf import settings
 from django.contrib.auth import login
 from django.http.request import HttpRequest
-from django.shortcuts import redirect
+from django.shortcuts import redirect, render
 
 import users
 from users.models import CustomUser
@@ -26,7 +26,8 @@ def register(_):
 
 def register_callback(req: HttpRequest):
     if 'code' not in req.GET or 'error' in req.GET:
-        return login_fail('')
+        error = req.GET['error'] if 'error' in req.GET else None
+        return login_fail(req, error)
 
     try:
         access_token = get_access_token(req.GET['code'])
@@ -39,12 +40,11 @@ def register_callback(req: HttpRequest):
         return redirect('/')
     except OAuthException as e:
         logger.error(e)
-        return login_fail(str(e))
+        return login_fail(req, str(e))
 
 
-def login_fail(error: str):
-    # TODO: create login failed page
-    return redirect('/')
+def login_fail(request, error: str = None):
+    return render(request, "oauth/failed.html", {'error': error})
 
 
 def validate_user(zeus_id, username) -> CustomUser: