69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
from django.http import HttpResponse
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from django.urls import resolve, reverse, Resolver404
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from django.shortcuts import get_object_or_404
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from django.views.decorators.csrf import csrf_exempt
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from django.views.decorators.http import require_GET, require_POST
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from entries.models import Entry
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from lemoncurry.utils import bad_req
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from urllib.parse import urljoin, urlparse
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from .models import State, Webmention
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@csrf_exempt
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@require_POST
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def accept(request):
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if 'source' not in request.POST:
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return bad_req('missing source url')
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source_url = request.POST['source']
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if 'target' not in request.POST:
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return bad_req('missing target url')
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target_url = request.POST['target']
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source = urlparse(source_url)
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target = urlparse(target_url)
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if source.scheme not in ('http', 'https'):
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return bad_req('unsupported source scheme')
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if target.scheme not in ('http', 'https'):
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return bad_req('unsupported target scheme')
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if target.netloc != request.site.domain:
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return bad_req('target not on this site')
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origin = 'https://' + target.netloc
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try:
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match = resolve(target.path)
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except Resolver404:
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return bad_req('target not found')
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if match.view_name != 'entries:entry':
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return bad_req('target does not accept webmentions')
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try:
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entry = Entry.objects.get(pk=match.kwargs['id'])
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except Entry.DoesNotExist:
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return bad_req('target not found')
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try:
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mention = Webmention.objects.get(source=source_url, target=target_url)
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except Webmention.DoesNotExist:
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mention = Webmention()
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mention.source = source_url
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mention.target = target_url
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mention.entry = entry
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mention.state = State.PENDING
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mention.save()
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status = reverse('webmention:status', kwargs={'id': mention.id})
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res = HttpResponse(status=201)
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res['Location'] = urljoin(origin, status)
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return res
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@csrf_exempt
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@require_GET
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def status(request, id):
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mention = get_object_or_404(Webmention.objects, pk=id)
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return HttpResponse(mention.get_state_display())
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