from django.http import HttpResponse, JsonResponse 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) pkg = load_package_json() webfinger = reverse('wellknowns:webfinger') + '?resource={uri}' license = 'https://creativecommons.org/licenses/by-sa/4.0/' links = ( Link( href=urljoin(base, reverse('lemonauth:indie')), rel='authorization_endpoint' ), Link( template=urljoin(base, webfinger), type_='application/json', rel='lrdd', ), Link( href=urljoin(base, reverse('wellknowns:manifest')), rel='manifest', type_='application/json', ), Link( href=urljoin(base, reverse('entries:atom')), rel='alternate', type_='application/atom+xml', ), Link( href=urljoin(base, reverse('entries:rss')), rel='alternate', type_='application/rss+xml', ), Link(href=license, type_='text/html', rel='license'), Link(href=license+'rdf', type_='application/rdf+xml', rel='license'), Link(href=pkg['repository'], type_='text/html', rel='code-repository'), ) dest.extend(links) def host_meta(request): h = XRD(subject='https://' + request.site.domain) 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', ) # The XRD package doesn't actually generate correct JSON, so we have to do it # ourselves instead. def host_meta_json(request): meta = host_meta(request) links = [] for l in meta.links: link = { 'rel': l.rel, 'type': l.type, 'href': l.href, 'template': l.template, } for k in list(link.keys()): if not link[k]: del link[k] links.append(link) meta = {'links': links, 'subject': meta.subject} return JsonResponse(meta)