view with js based updater - thanks for 1v3ry for helping

nsupdate/main/templates/main/update.html

@@ -0,0 +1,53 @@
+{% extends "base.html" %}
+{% load bootstrap %}
+
+{% block content %}
+    <div class="jumbotron">
+        <h2>Browser-based Updater</h2>
+        <p>
+            Host {{ hostname }} (pw {{ secret }}) will get automatically updated as long as you keep this window open.
+        </p>
+        <noscript>
+            <p class="text-danger">
+                The browser based updater only works if javascript is enabled.
+            </p>
+        </noscript>
+        <h2>Updater Status</h2>
+        <dl>
+            <dt>Last response:</dt><dd><span id="response"></span></dd>
+        </dl>
+    </div>
+    <script type="text/javascript">
+    // Thanks to 1v3ry for helping with the js code!
+    var last_ip = '';
+
+    function checkIP() {
+        $.get("{% url 'myip' %}")
+        .done(function( data ) {
+            ip = data;
+            if(ip != last_ip) {
+                $.ajax({
+                    url: "{% url 'nic_update' %}",
+                    username: "{{ hostname }}",
+                    password: "{{ secret }}"
+                })
+                .done(function( data ) {
+                    $('#response').text(data);
+                    last_ip = ip;
+                })
+                .fail(function (data) {
+                    $('#response').text('update failed');
+                });
+            }
+        })
+        .fail(function( data ) {
+            $('#response').text('myip failed');
+        });
+        setTimeout('checkIP', 300000);  // repeat in N ms
+    }
+
+    $(document).ready(function() {
+        checkIP();
+    });
+    </script>
+{% endblock %}

nsupdate/main/urls.py

@@ -3,7 +3,7 @@ from django.views.generic import TemplateView
 
 from .views import (
     HomeView, OverviewView, HostView, DeleteHostView, AboutView, GenerateSecretView, GenerateNSSecretView,
-    RobotsTxtView, DomainOverviewView, DomainView, DeleteDomainView, StatusView,
+    RobotsTxtView, DomainOverviewView, DomainView, DeleteDomainView, StatusView, UpdateView,
     UpdaterHostConfigOverviewView, UpdaterHostConfigView, DeleteUpdaterHostConfigView)
 from ..api.views import (
     myip_view, DetectIpView, AjaxGetIps, NicUpdateView, AuthorizedNicUpdateView)
@@ -15,6 +15,7 @@ urlpatterns = patterns(
     url(r'^$', HomeView.as_view(), name="home"),
     url(r'^about/$', AboutView.as_view(), name="about"),
     url(r'^legal/$', TemplateView.as_view(template_name='main/legal.html'), name="legal"),
+    url(r'^update$', UpdateView.as_view(), name='update'),
     url(r'^overview/$', OverviewView.as_view(), name='overview'),
     url(r'^host/(?P<pk>\d+)/$', HostView.as_view(), name='host_view'),
     url(r'^domain/(?P<pk>\d+)/$', DomainView.as_view(), name='domain_view'),

nsupdate/main/views.py

@@ -139,6 +139,28 @@ class StatusView(TemplateView):
         return context
 
 
+from nsupdate.api.views import basic_challenge, basic_authenticate
+
+
+class UpdateView(TemplateView):
+    template_name = "main/update.html"
+
+    def get(self, request, *args, **kwargs):
+        auth = request.META.get('HTTP_AUTHORIZATION')
+        if auth is None:
+            return basic_challenge("authenticate to update DNS", 'badauth')
+        username, password = basic_authenticate(auth)
+        self.hostname = username
+        self.secret = password
+        return super(UpdateView, self).get(request, *args, **kwargs)
+
+    def get_context_data(self, *args, **kwargs):
+        context = super(UpdateView, self).get_context_data(*args, **kwargs)
+        context['hostname'] = self.hostname
+        context['secret'] = self.secret
+        return context
+
+
 class OverviewView(CreateView):
     model = Host
     template_name = "main/overview.html"