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import string
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.decorators.csrf import csrf_exempt
from django.views.generic import FormView, TemplateView, View
from core.forms import FormHelper
from miniq.models import Task
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 = Identity.by_handle(handle=handle)
statuses = identity.statuses.all()[:100]
if identity.data_age > settings.IDENTITY_MAX_AGE:
Task.submit("identity_fetch", identity.handle)
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 ActivateIdentity(View):
def get(self, request, handle):
identity = by_handle_or_404(request, handle)
if not identity.users.filter(pk=request.user.pk).exists():
raise Http404()
request.session["identity_id"] = identity.id
# Get next URL, not allowing offsite links
next = request.GET.get("next") or "/"
if ":" in next:
next = "/"
return redirect("/")
@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("@")
# Validate it's all ascii characters
for character in value:
if character not in string.ascii_letters + string.digits + "_-":
raise forms.ValidationError(
"Only the letters a-z, numbers 0-9, dashes and underscores are allowed."
)
# 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": identity.short_handle,
"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,
},
}
)
@method_decorator(csrf_exempt, name="dispatch")
class Inbox(View):
"""
AP Inbox endpoint
"""
def post(self, request, handle):
# Validate the signature
signature = request.META.get("HTTP_SIGNATURE")
print(signature)
print(request.body)
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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