def pingback_ping(self):
source = self.params[0]
target = self.params[1]
slug = target.split('/')[-2]
try:
entry = Entry.objects.get(slug=slug)
if not entry.allow_comments:
raise Entry.DoesNotExist
except Entry.DoesNotExist:
return XmlRpcDispatcher.fault(33, 'The specified URI cannot be used as target')
try:
Comment.objects.get(entry=entry, type__in=['P', 'T'], author_uri=source)
return XmlRpcDispatcher.fault(48, 'The pingback has already been registered')
except Comment.DoesNotExist:
pass
s = Spider(source)
if not s.backlinks(target):
if s.code == 200:
return XmlRpcDispatcher.fault(17, 'The source URI does not contain a link to the target URI')
return XmlRpcDispatcher.fault(16, 'The source URI does not exist')
Comment.objects.create(entry=entry, type='P',
author=hostname_from_uri(source, http=False),
author_uri=source, body='')
return XmlRpcDispatcher.pingback_reply('Pingback stored')
def trackback_view(request, entry_id):
title = request.POST.get('title')
excerpt = request.POST.get('excerpt', '')
url = request.POST.get('url')
blog_name = request.POST.get('blog_name')
if not url:
return HttpResponse('''<?xml version="1.0" encoding="utf-8"?>
<response>
<error>1</error>
<message>No URL specified</message>
</response>''', mimetype='text/xml')
if len(url) > 1024:
return HttpResponse('''<?xml version="1.0" encoding="utf-8"?>
<response>
<error>1</error>
<message>Entity Too Large</message>
</response>''', mimetype='text/xml')
if not is_absolute_link(url):
return HttpResponse('''<?xml version="1.0" encoding="utf-8"?>
<response>
<error>1</error>
<message>URL must match https?://.*</message>
</response>''', mimetype='text/xml')
entry = get_object_or_404(Entry, pk=entry_id)
if not entry.allow_comments:
return HttpResponse('''<?xml version="1.0" encoding="utf-8"?>
<response>
<error>1</error>
<message>Trackbacks are not allowed for this entry</message>
</response>''', mimetype='text/xml')
try:
Comment.objects.get(entry=entry, type__in=['T', 'P'], author_uri=url)
return HttpResponse('''<?xml version="1.0" encoding="utf-8"?>
<response>
<error>1</error>
<message>Trackback already registered</message>
</response>''', mimetype='text/xml')
except Comment.DoesNotExist:
pass
s = Spider(url)
if not s.backlinks(entry.get_absolute_url()):
return HttpResponse('''<?xml version="1.0" encoding="utf-8"?>
<response>
<error>1</error>
<message>URL doesn't link back</message>
</response>''', mimetype='text/xml')
if not blog_name:
blog_name = url.split('/')[2]
if title:
excerpt = '%s\n\n%s' % (title, excerpt)
Comment.objects.create(entry=entry, author=blog_name, author_uri=url, body=excerpt, type='T')
return HttpResponse('''<?xml version="1.0" encoding="utf-8"?>
<response>
<error>0</error>
</response>''')
