Add NIP-05 verification compatibility

wellknowns/views/__init__.py

@@ -1,4 +1,5 @@
 from .static import keybase
 from .host_meta import host_meta_xml, host_meta_json
 from .manifest import manifest
+from .nostr import nostr_json
 from .webfinger import webfinger

wellknowns/views/nostr.py

@@ -0,0 +1,27 @@
+from django.http import JsonResponse
+from users.models import User
+
+aliases = {"00dani": ("_", "dani")}
+unaliases = {alias: name for (name, aliases) in aliases.items() for alias in aliases}
+
+
+def nostr_json(request) -> JsonResponse:
+    users = User.objects.filter(nostr_key__isnull=False)
+
+    if "name" in request.GET:
+        name = request.GET["name"]
+        if name in unaliases:
+            name = unaliases[name]
+        users = users.filter(username=name)
+
+    names = {u.username: u.nostr_key for u in users}
+    for name in list(names.keys()):
+        for alias in aliases.get(name, []):
+            names[alias] = names[name]
+
+    relays = {u.nostr_key: u.nostr_relays for u in users if u.nostr_relays}
+
+    response = {"names": names}
+    if relays:
+        response["relays"] = relays
+    return JsonResponse(response)