From d77dcf62b4005a0f36ef2fa7ba6d3651d2ef38d7 Mon Sep 17 00:00:00 2001
From: Andrew Godwin
Date: Sat, 5 Nov 2022 14:17:27 -0600
Subject: Initial commit (users and statuses)

---
 users/views/identity.py | 132 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 users/views/identity.py

(limited to 'users/views/identity.py')

diff --git a/users/views/identity.py b/users/views/identity.py
new file mode 100644
index 0000000..63b7fb8
--- /dev/null
+++ b/users/views/identity.py
@@ -0,0 +1,132 @@
+from django import forms
+from django.conf import settings
+from django.contrib.auth.decorators import login_required
+from django.http import Http404, JsonResponse
+from django.shortcuts import redirect
+from django.utils.decorators import method_decorator
+from django.views.generic import FormView, TemplateView, View
+
+from core.forms import FormHelper
+from users.models import Identity
+from users.shortcuts import by_handle_or_404
+
+
+class ViewIdentity(TemplateView):
+
+    template_name = "identity/view.html"
+
+    def get_context_data(self, handle):
+        identity = by_handle_or_404(self.request, handle, local=False)
+        statuses = identity.statuses.all()[:100]
+        return {
+            "identity": identity,
+            "statuses": statuses,
+        }
+
+
+@method_decorator(login_required, name="dispatch")
+class SelectIdentity(TemplateView):
+
+    template_name = "identity/select.html"
+
+    def get_context_data(self):
+        return {
+            "identities": Identity.objects.filter(users__pk=self.request.user.pk),
+        }
+
+
+@method_decorator(login_required, name="dispatch")
+class CreateIdentity(FormView):
+
+    template_name = "identity/create.html"
+
+    class form_class(forms.Form):
+        handle = forms.CharField()
+        name = forms.CharField()
+
+        helper = FormHelper(submit_text="Create")
+
+        def clean_handle(self):
+            # Remove any leading @
+            value = self.cleaned_data["handle"].lstrip("@")
+            # Don't allow custom domains here quite yet
+            if "@" in value:
+                raise forms.ValidationError(
+                    "You are not allowed an @ sign in your handle"
+                )
+            # Ensure there is a domain on the end
+            if "@" not in value:
+                value += "@" + settings.DEFAULT_DOMAIN
+            # Check for existing users
+            if Identity.objects.filter(handle=value).exists():
+                raise forms.ValidationError("This handle is already taken")
+            return value
+
+    def form_valid(self, form):
+        new_identity = Identity.objects.create(
+            handle=form.cleaned_data["handle"],
+            name=form.cleaned_data["name"],
+            local=True,
+        )
+        new_identity.users.add(self.request.user)
+        new_identity.generate_keypair()
+        return redirect(new_identity.urls.view)
+
+
+class Actor(View):
+    """
+    Returns the AP Actor object
+    """
+
+    def get(self, request, handle):
+        identity = by_handle_or_404(self.request, handle)
+        return JsonResponse(
+            {
+                "@context": [
+                    "https://www.w3.org/ns/activitystreams",
+                    "https://w3id.org/security/v1",
+                ],
+                "id": f"https://{settings.DEFAULT_DOMAIN}{identity.urls.actor}",
+                "type": "Person",
+                "preferredUsername": "alice",
+                "inbox": f"https://{settings.DEFAULT_DOMAIN}{identity.urls.inbox}",
+                "publicKey": {
+                    "id": f"https://{settings.DEFAULT_DOMAIN}{identity.urls.actor}#main-key",
+                    "owner": f"https://{settings.DEFAULT_DOMAIN}{identity.urls.actor}",
+                    "publicKeyPem": identity.public_key,
+                },
+            }
+        )
+
+
+class Webfinger(View):
+    """
+    Services webfinger requests
+    """
+
+    def get(self, request):
+        resource = request.GET.get("resource")
+        if not resource.startswith("acct:"):
+            raise Http404("Not an account resource")
+        handle = resource[5:]
+        identity = by_handle_or_404(request, handle)
+        return JsonResponse(
+            {
+                "subject": f"acct:{identity.handle}",
+                "aliases": [
+                    f"https://{settings.DEFAULT_DOMAIN}/@{identity.short_handle}",
+                ],
+                "links": [
+                    {
+                        "rel": "http://webfinger.net/rel/profile-page",
+                        "type": "text/html",
+                        "href": f"https://{settings.DEFAULT_DOMAIN}{identity.urls.view}",
+                    },
+                    {
+                        "rel": "self",
+                        "type": "application/activity+json",
+                        "href": f"https://{settings.DEFAULT_DOMAIN}{identity.urls.actor}",
+                    },
+                ],
+            }
+        )
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