Add jumpservice implementation

web/jump/urls.py

@@ -0,0 +1,8 @@
+from django.conf.urls.defaults import *
+
+urlpatterns = patterns('web.jump.views',
+		(r'^error/', 'error'),
+		(r'^unknown/', 'unknown'),
+		(r'^(.+)', 'jumper'),
+
+)

web/jump/views.py

@@ -0,0 +1,25 @@
+from django.shortcuts import redirect
+from django.core.exceptions import ValidationError
+from django.http import HttpResponse
+
+from web.postkey.models import i2phost
+from web.lib.validation import validate_hostname
+
+def jumper(request, data):
+	"""Actually do jumps."""
+	try:
+		hostname = validate_hostname(data)
+	except ValidationError, e:
+		return redirect('error/')
+	try:
+		key = i2phost.objects.get(name=hostname, activated=True).b64hash
+	except i2phost.DoesNotExist:
+		return redirect('unknown/')
+	url = 'http://' + hostname + '/?i2paddresshelper=' + key
+	return redirect(url, permanent=True)
+
+def error(request):
+	return HttpResponse('You are trying to access an invalid hostname.')
+
+def unknown(request):
+	return HttpResponse('You are trying to access an unknown hostname.')

web/urls.py

@@ -6,6 +6,7 @@ admin.autodiscover()
 
 urlpatterns = patterns('',
 		(r'^postkey/', include('web.postkey.urls')),
+		(r'^jump/', include('web.jump.urls')),
     # Example:
     # (r'^web/', include('web.foo.urls')),