We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Errors around the signup url
**Description of the bug**
We are seeing error in the logs around generating the signup url

Steps to reproduce the bug:
I'm not sure how to reproduce the bug but the stacktrace indicates a signup_url

**Expected behavior**
No errors in the log

**Additional information**
```
[27/Mar/2024 00:14:33] ERROR [django.request:224] Internal Server Error: /
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "/usr/local/lib/python3.9/site-packages/django/core/handlers/base.py", line 171, in _get_response
    response = middleware_method(request, callback, callback_args, callback_kwargs)
  File "/usr/local/lib/python3.9/site-packages/mezzanine/pages/middleware.py", line 90, in process_view
    return view_func(request, *view_args, **view_kwargs)
  File "/hydroshare/theme/views.py", line 607, in home_router
    return render(request, "pages/homepage.html")
  File "/usr/local/lib/python3.9/site-packages/django/shortcuts.py", line 19, in render
    content = loader.render_to_string(template_name, context, request, using=using)
  File "/usr/local/lib/python3.9/site-packages/django/template/loader.py", line 62, in render_to_string
    return template.render(context, request)
  File "/usr/local/lib/python3.9/site-packages/django/template/backends/django.py", line 61, in render
    return self.template.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 170, in render
    return self._render(context)
  File "/usr/local/lib/python3.9/site-packages/django/test/utils.py", line 100, in instrumented_test_render
    return self.nodelist.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 938, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 905, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/loader_tags.py", line 150, in render
    return compiled_parent._render(context)
  File "/usr/local/lib/python3.9/site-packages/django/test/utils.py", line 100, in instrumented_test_render
    return self.nodelist.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 938, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 905, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/loader_tags.py", line 62, in render
    result = block.nodelist.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 938, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 905, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/loader_tags.py", line 62, in render
    result = block.nodelist.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 938, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 905, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/defaulttags.py", line 315, in render
    return nodelist.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 938, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 905, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 988, in render
    output = self.filter_expression.resolve(context)
  File "/usr/local/lib/python3.9/site-packages/django/template/base.py", line 698, in resolve
    new_obj = func(obj, *arg_vals)
  File "/hydroshare/hs_core/templatetags/hydroshare_tags.py", line 383, in signup_url
    return build_oidc_url(request).replace('/auth?', '/registrations?')
  File "/hydroshare/hs_core/authentication.py", line 43, in build_oidc_url
    return redirect.url
AttributeError: 'HttpResponseNotAllowed' object has no attribute 'url'
```


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `hs_core/authentication.py`
Content:
```
1 import requests
2 import base64
3 from mozilla_django_oidc.auth import OIDCAuthenticationBackend
4 from hs_core.hydroshare import create_account
5 from django.urls import reverse, resolve
6 from django.conf import settings
7 from django.utils.http import urlencode
8 from django.contrib.auth.models import User
9 from rest_framework.authentication import BaseAuthentication
10 from keycloak.keycloak_openid import KeycloakOpenID
11 
12 
13 class HydroShareOIDCAuthenticationBackend(OIDCAuthenticationBackend):
14     def create_user(self, claims):
15         subject_areas = claims.get('subject_areas', '').split(";")
16         return create_account(
17             email=claims.get('email', ''),
18             username=claims.get('preferred_username', self.get_username(claims)),
19             first_name=claims.get('given_name', ''),
20             last_name=claims.get('family_name', ''),
21             superuser=False,
22             active=claims.get('email_verified', True),
23             organization=claims.get('organization', ''),
24             user_type=claims.get('user_type', ''),
25             country=claims.get('country', ''),
26             state=claims.get('state', ''),
27             subject_areas=subject_areas)
28 
29 
30 def build_oidc_url(request):
31     """Builds a link to OIDC service
32     To be called from within a view function
33 
34     Args:
35         request: current request being processed by the view
36 
37     Returns:
38         string: redirect URL for oidc service
39     """
40     view, args, kwargs = resolve(reverse('oidc_authentication_init'))
41     kwargs["request"] = request
42     redirect = view(*args, **kwargs)
43     return redirect.url
44 
45 
46 def provider_logout(request):
47     """ Create the user's OIDC logout URL."""
48     # User must confirm logout request with the default logout URL
49     # and is not redirected.
50     logout_url = settings.OIDC_OP_LOGOUT_ENDPOINT
51     redirect_url = settings.LOGOUT_REDIRECT_URL
52 
53     # If we have the oidc_id_token, we can automatically redirect
54     # the user back to the application.
55     oidc_id_token = request.session.get('oidc_id_token', None)
56     if oidc_id_token:
57         data = {
58             "id_token_hint": oidc_id_token,
59             "post_logout_redirect_uri": request.build_absolute_uri(
60                 location=redirect_url
61             )
62         }
63         res = requests.post(logout_url, data)
64         if not res.ok:
65             logout_url = logout_url + "?" + urlencode(data)
66         else:
67             logout_url = redirect_url
68     return logout_url
69 
70 
71 KEYCLOAK = KeycloakOpenID(
72     server_url=settings.OIDC_KEYCLOAK_URL,
73     client_id=settings.OIDC_RP_CLIENT_ID,
74     realm_name=settings.OIDC_KEYCLOAK_REALM,
75     client_secret_key=settings.OIDC_RP_CLIENT_SECRET,
76 )
77 
78 
79 class BasicOIDCAuthentication(BaseAuthentication):
80 
81     def authenticate(self, request):
82         auth = request.headers.get('Authorization')
83         if not auth or 'Basic' not in auth:
84             return None
85         _, value, *_ = request.headers.get('Authorization').split()
86 
87         decoded_username, decoded_password = (
88             base64.b64decode(value).decode("utf-8").split(":")
89         )
90         # authenticate against keycloak
91         try:
92             KEYCLOAK.token(decoded_username, decoded_password)
93         except Exception:
94             return None
95 
96         user = User.objects.get(username=decoded_username)
97         return (user, None)
98
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/hs_core/authentication.py b/hs_core/authentication.py
--- a/hs_core/authentication.py
+++ b/hs_core/authentication.py
@@ -9,6 +9,9 @@
 from rest_framework.authentication import BaseAuthentication
 from keycloak.keycloak_openid import KeycloakOpenID
 
+import logging
+logger = logging.getLogger(__name__)
+
 
 class HydroShareOIDCAuthenticationBackend(OIDCAuthenticationBackend):
     def create_user(self, claims):
@@ -37,10 +40,22 @@
     Returns:
         string: redirect URL for oidc service
     """
-    view, args, kwargs = resolve(reverse('oidc_authentication_init'))
+    oidc_init = reverse('oidc_authentication_init')
+    view, args, kwargs = resolve(oidc_init)
     kwargs["request"] = request
-    redirect = view(*args, **kwargs)
-    return redirect.url
+    error = None
+    try:
+        redirect = view(*args, **kwargs)
+        if isinstance(redirect, Exception):
+            error = redirect
+        else:
+            return redirect.url
+    except Exception as e:
+        error = e
+
+    # If the OIDC URL could not be built, log the error and return the bare oidc_authentication_init url
+    logger.error(f"Error building OIDC URL: {error}")
+    return oidc_init
 
 
 def provider_logout(request):

{"golden_diff": "diff --git a/hs_core/authentication.py b/hs_core/authentication.py\n--- a/hs_core/authentication.py\n+++ b/hs_core/authentication.py\n@@ -9,6 +9,9 @@\n from rest_framework.authentication import BaseAuthentication\n from keycloak.keycloak_openid import KeycloakOpenID\n \n+import logging\n+logger = logging.getLogger(__name__)\n+\n \n class HydroShareOIDCAuthenticationBackend(OIDCAuthenticationBackend):\n     def create_user(self, claims):\n@@ -37,10 +40,22 @@\n     Returns:\n         string: redirect URL for oidc service\n     \"\"\"\n-    view, args, kwargs = resolve(reverse('oidc_authentication_init'))\n+    oidc_init = reverse('oidc_authentication_init')\n+    view, args, kwargs = resolve(oidc_init)\n     kwargs[\"request\"] = request\n-    redirect = view(*args, **kwargs)\n-    return redirect.url\n+    error = None\n+    try:\n+        redirect = view(*args, **kwargs)\n+        if isinstance(redirect, Exception):\n+            error = redirect\n+        else:\n+            return redirect.url\n+    except Exception as e:\n+        error = e\n+\n+    # If the OIDC URL could not be built, log the error and return the bare oidc_authentication_init url\n+    logger.error(f\"Error building OIDC URL: {error}\")\n+    return oidc_init\n \n \n def provider_logout(request):\n", "issue": "Errors around the signup url\n**Description of the bug**\r\nWe are seeing error in the logs around generating the signup url\r\n\r\nSteps to reproduce the bug:\r\nI'm not sure how to reproduce the bug but the stacktrace indicates a signup_url\r\n\r\n**Expected behavior**\r\nNo errors in the log\r\n\r\n**Additional information**\r\n```\r\n[27/Mar/2024 00:14:33] ERROR [django.request:224] Internal Server Error: /\r\nTraceback (most recent call last):\r\n  File \"/usr/local/lib/python3.9/site-packages/django/core/handlers/exception.py\", line 47, in inner\r\n    response = get_response(request)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/core/handlers/base.py\", line 171, in _get_response\r\n    response = middleware_method(request, callback, callback_args, callback_kwargs)\r\n  File \"/usr/local/lib/python3.9/site-packages/mezzanine/pages/middleware.py\", line 90, in process_view\r\n    return view_func(request, *view_args, **view_kwargs)\r\n  File \"/hydroshare/theme/views.py\", line 607, in home_router\r\n    return render(request, \"pages/homepage.html\")\r\n  File \"/usr/local/lib/python3.9/site-packages/django/shortcuts.py\", line 19, in render\r\n    content = loader.render_to_string(template_name, context, request, using=using)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/loader.py\", line 62, in render_to_string\r\n    return template.render(context, request)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/backends/django.py\", line 61, in render\r\n    return self.template.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 170, in render\r\n    return self._render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/test/utils.py\", line 100, in instrumented_test_render\r\n    return self.nodelist.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 938, in render\r\n    bit = node.render_annotated(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 905, in render_annotated\r\n    return self.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/loader_tags.py\", line 150, in render\r\n    return compiled_parent._render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/test/utils.py\", line 100, in instrumented_test_render\r\n    return self.nodelist.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 938, in render\r\n    bit = node.render_annotated(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 905, in render_annotated\r\n    return self.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/loader_tags.py\", line 62, in render\r\n    result = block.nodelist.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 938, in render\r\n    bit = node.render_annotated(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 905, in render_annotated\r\n    return self.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/loader_tags.py\", line 62, in render\r\n    result = block.nodelist.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 938, in render\r\n    bit = node.render_annotated(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 905, in render_annotated\r\n    return self.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/defaulttags.py\", line 315, in render\r\n    return nodelist.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 938, in render\r\n    bit = node.render_annotated(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 905, in render_annotated\r\n    return self.render(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 988, in render\r\n    output = self.filter_expression.resolve(context)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/template/base.py\", line 698, in resolve\r\n    new_obj = func(obj, *arg_vals)\r\n  File \"/hydroshare/hs_core/templatetags/hydroshare_tags.py\", line 383, in signup_url\r\n    return build_oidc_url(request).replace('/auth?', '/registrations?')\r\n  File \"/hydroshare/hs_core/authentication.py\", line 43, in build_oidc_url\r\n    return redirect.url\r\nAttributeError: 'HttpResponseNotAllowed' object has no attribute 'url'\r\n```\r\n\n", "before_files": [{"content": "import requests\nimport base64\nfrom mozilla_django_oidc.auth import OIDCAuthenticationBackend\nfrom hs_core.hydroshare import create_account\nfrom django.urls import reverse, resolve\nfrom django.conf import settings\nfrom django.utils.http import urlencode\nfrom django.contrib.auth.models import User\nfrom rest_framework.authentication import BaseAuthentication\nfrom keycloak.keycloak_openid import KeycloakOpenID\n\n\nclass HydroShareOIDCAuthenticationBackend(OIDCAuthenticationBackend):\n    def create_user(self, claims):\n        subject_areas = claims.get('subject_areas', '').split(\";\")\n        return create_account(\n            email=claims.get('email', ''),\n            username=claims.get('preferred_username', self.get_username(claims)),\n            first_name=claims.get('given_name', ''),\n            last_name=claims.get('family_name', ''),\n            superuser=False,\n            active=claims.get('email_verified', True),\n            organization=claims.get('organization', ''),\n            user_type=claims.get('user_type', ''),\n            country=claims.get('country', ''),\n            state=claims.get('state', ''),\n            subject_areas=subject_areas)\n\n\ndef build_oidc_url(request):\n    \"\"\"Builds a link to OIDC service\n    To be called from within a view function\n\n    Args:\n        request: current request being processed by the view\n\n    Returns:\n        string: redirect URL for oidc service\n    \"\"\"\n    view, args, kwargs = resolve(reverse('oidc_authentication_init'))\n    kwargs[\"request\"] = request\n    redirect = view(*args, **kwargs)\n    return redirect.url\n\n\ndef provider_logout(request):\n    \"\"\" Create the user's OIDC logout URL.\"\"\"\n    # User must confirm logout request with the default logout URL\n    # and is not redirected.\n    logout_url = settings.OIDC_OP_LOGOUT_ENDPOINT\n    redirect_url = settings.LOGOUT_REDIRECT_URL\n\n    # If we have the oidc_id_token, we can automatically redirect\n    # the user back to the application.\n    oidc_id_token = request.session.get('oidc_id_token', None)\n    if oidc_id_token:\n        data = {\n            \"id_token_hint\": oidc_id_token,\n            \"post_logout_redirect_uri\": request.build_absolute_uri(\n                location=redirect_url\n            )\n        }\n        res = requests.post(logout_url, data)\n        if not res.ok:\n            logout_url = logout_url + \"?\" + urlencode(data)\n        else:\n            logout_url = redirect_url\n    return logout_url\n\n\nKEYCLOAK = KeycloakOpenID(\n    server_url=settings.OIDC_KEYCLOAK_URL,\n    client_id=settings.OIDC_RP_CLIENT_ID,\n    realm_name=settings.OIDC_KEYCLOAK_REALM,\n    client_secret_key=settings.OIDC_RP_CLIENT_SECRET,\n)\n\n\nclass BasicOIDCAuthentication(BaseAuthentication):\n\n    def authenticate(self, request):\n        auth = request.headers.get('Authorization')\n        if not auth or 'Basic' not in auth:\n            return None\n        _, value, *_ = request.headers.get('Authorization').split()\n\n        decoded_username, decoded_password = (\n            base64.b64decode(value).decode(\"utf-8\").split(\":\")\n        )\n        # authenticate against keycloak\n        try:\n            KEYCLOAK.token(decoded_username, decoded_password)\n        except Exception:\n            return None\n\n        user = User.objects.get(username=decoded_username)\n        return (user, None)\n", "path": "hs_core/authentication.py"}], "after_files": [{"content": "import requests\nimport base64\nfrom mozilla_django_oidc.auth import OIDCAuthenticationBackend\nfrom hs_core.hydroshare import create_account\nfrom django.urls import reverse, resolve\nfrom django.conf import settings\nfrom django.utils.http import urlencode\nfrom django.contrib.auth.models import User\nfrom rest_framework.authentication import BaseAuthentication\nfrom keycloak.keycloak_openid import KeycloakOpenID\n\nimport logging\nlogger = logging.getLogger(__name__)\n\n\nclass HydroShareOIDCAuthenticationBackend(OIDCAuthenticationBackend):\n    def create_user(self, claims):\n        subject_areas = claims.get('subject_areas', '').split(\";\")\n        return create_account(\n            email=claims.get('email', ''),\n            username=claims.get('preferred_username', self.get_username(claims)),\n            first_name=claims.get('given_name', ''),\n            last_name=claims.get('family_name', ''),\n            superuser=False,\n            active=claims.get('email_verified', True),\n            organization=claims.get('organization', ''),\n            user_type=claims.get('user_type', ''),\n            country=claims.get('country', ''),\n            state=claims.get('state', ''),\n            subject_areas=subject_areas)\n\n\ndef build_oidc_url(request):\n    \"\"\"Builds a link to OIDC service\n    To be called from within a view function\n\n    Args:\n        request: current request being processed by the view\n\n    Returns:\n        string: redirect URL for oidc service\n    \"\"\"\n    oidc_init = reverse('oidc_authentication_init')\n    view, args, kwargs = resolve(oidc_init)\n    kwargs[\"request\"] = request\n    error = None\n    try:\n        redirect = view(*args, **kwargs)\n        if isinstance(redirect, Exception):\n            error = redirect\n        else:\n            return redirect.url\n    except Exception as e:\n        error = e\n\n    # If the OIDC URL could not be built, log the error and return the bare oidc_authentication_init url\n    logger.error(f\"Error building OIDC URL: {error}\")\n    return oidc_init\n\n\ndef provider_logout(request):\n    \"\"\" Create the user's OIDC logout URL.\"\"\"\n    # User must confirm logout request with the default logout URL\n    # and is not redirected.\n    logout_url = settings.OIDC_OP_LOGOUT_ENDPOINT\n    redirect_url = settings.LOGOUT_REDIRECT_URL\n\n    # If we have the oidc_id_token, we can automatically redirect\n    # the user back to the application.\n    oidc_id_token = request.session.get('oidc_id_token', None)\n    if oidc_id_token:\n        data = {\n            \"id_token_hint\": oidc_id_token,\n            \"post_logout_redirect_uri\": request.build_absolute_uri(\n                location=redirect_url\n            )\n        }\n        res = requests.post(logout_url, data)\n        if not res.ok:\n            logout_url = logout_url + \"?\" + urlencode(data)\n        else:\n            logout_url = redirect_url\n    return logout_url\n\n\nKEYCLOAK = KeycloakOpenID(\n    server_url=settings.OIDC_KEYCLOAK_URL,\n    client_id=settings.OIDC_RP_CLIENT_ID,\n    realm_name=settings.OIDC_KEYCLOAK_REALM,\n    client_secret_key=settings.OIDC_RP_CLIENT_SECRET,\n)\n\n\nclass BasicOIDCAuthentication(BaseAuthentication):\n\n    def authenticate(self, request):\n        auth = request.headers.get('Authorization')\n        if not auth or 'Basic' not in auth:\n            return None\n        _, value, *_ = request.headers.get('Authorization').split()\n\n        decoded_username, decoded_password = (\n            base64.b64decode(value).decode(\"utf-8\").split(\":\")\n        )\n        # authenticate against keycloak\n        try:\n            KEYCLOAK.token(decoded_username, decoded_password)\n        except Exception:\n            return None\n\n        user = User.objects.get(username=decoded_username)\n        return (user, None)\n", "path": "hs_core/authentication.py"}]}