lemoncurry/wellknowns/views/host_meta.py

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from django.http import HttpResponse
from django.urls import reverse
from lemoncurry.utils import load_package_json, origin
from urllib.parse import urljoin
from xrd import XRD, Attribute, Element, Link
def add_links(request, dest):
base = origin(request)
package = load_package_json()
links = (
Link(rel='lrdd', template=urljoin(base, reverse('wellknowns:webfinger') + '?resource={uri}')),
Link(rel='license', href='https://creativecommons.org/licenses/by-sa/4.0/'),
Link(rel='code-repository', href=package['repository']),
)
dest.extend(links)
def host_meta(request):
h = XRD()
h.attributes.append(Attribute('xmlns:hm', 'http://host-meta.net/ns/1.0'))
h.elements.append(Element('hm:Host', request.META['HTTP_HOST']))
add_links(request, h.links)
return h
def host_meta_xml(request):
return HttpResponse(
host_meta(request).to_xml().toprettyxml(indent=' ', encoding='utf-8'),
content_type='application/xrd+xml',
)
def host_meta_json(request):
return HttpResponse(
host_meta(request).to_json(),
content_type='application/json'
)