monkeysphere: Add Let's Encrypt certificates

Filter letsencrypt domains from snakeoil list.
Rename views for snakeoil and letsencrypt.

actions/monkeysphere

@@ -41,9 +41,14 @@ def parse_arguments():
     host_import_ssh_key.add_argument(
         'domain', help='Fully-qualified domain name')
 
-    host_import_https_key = subparsers.add_parser(
-        'host-import-https-key', help='Import host HTTPS key')
-    host_import_https_key.add_argument(
+    host_import_snakeoil_key = subparsers.add_parser(
+        'host-import-snakeoil-key', help='Import host snakeoil key')
+    host_import_snakeoil_key.add_argument(
+        'domain', help='Fully-qualified domain name')
+
+    host_import_letsencrypt_key = subparsers.add_parser(
+        'host-import-letsencrypt-key', help="Import Let's Encrypt key")
+    host_import_letsencrypt_key.add_argument(
         'domain', help='Fully-qualified domain name')
 
     host_publish_key = subparsers.add_parser(
@@ -96,13 +101,41 @@ def subcommand_host_import_ssh_key(arguments):
     print(output.decode())
 
 
-def subcommand_host_import_https_key(arguments):
-    """Import host HTTPS key."""
-    output = subprocess.check_output(
+def subcommand_host_import_snakeoil_key(arguments):
+    """Import host snakeoil key."""
+    proc = subprocess.Popen(
         ['monkeysphere-host', 'import-key',
          '/etc/ssl/private/ssl-cert-snakeoil.key',
-         'https://' + arguments.domain])
-    print(output.decode())
+         'https://' + arguments.domain],
+        stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+        env=dict(
+            os.environ,
+            MONKEYSPHERE_PROMPT='false'))
+    output, error = proc.communicate()
+    output, error = output.decode(), error.decode()
+    if proc.returncode != 0:
+        raise Exception(output, error)
+
+    print(output)
+
+
+def subcommand_host_import_letsencrypt_key(arguments):
+    """Import Let's Encrypt key."""
+    proc = subprocess.Popen(
+        ['monkeysphere-host', 'import-key',
+         os.path.join('/etc/letsencrypt/live',
+                      arguments.domain, 'privkey.pem'),
+         'https://' + arguments.domain],
+        stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+        env=dict(
+            os.environ,
+            MONKEYSPHERE_PROMPT='false'))
+    output, error = proc.communicate()
+    output, error = output.decode(), error.decode()
+    if proc.returncode != 0:
+        raise Exception(output, error)
+
+    print(output)
 
 
 def subcommand_host_publish_key(arguments):

plinth/modules/monkeysphere/templates/monkeysphere.html

@@ -127,7 +127,7 @@
           </tr>
         </thead>
         <tbody>
-          {% for domain in status.https_domains %}
+          {% for domain in status.snakeoil_domains %}
             <tr>
               <td>{{ domain.name }}</td>
               <td>
@@ -143,7 +143,59 @@
               <td>
                 {% if not domain.key %}
                   <form class="form" method="post"
-                        action="{% url 'monkeysphere:generate_https' domain.name %}">
+                        action="{% url 'monkeysphere:generate_snakeoil' domain.name %}">
+                    {% csrf_token %}
+
+                    <button type="submit" class="btn btn-primary btn-sm pull-right">
+                      {% trans "Generate OpenPGP Key" %}</button>
+                  </form>
+                {% elif not running %}
+                  <form class="form" method="post"
+                        action="{% url 'monkeysphere:publish' domain.key.pgp_fingerprint %}">
+                    {% csrf_token %}
+
+                    <button type="submit" class="btn btn-warning btn-sm pull-right">
+                      {% trans "Publish Key" %}</button>
+                  </form>
+                {% endif %}
+              </td>
+            </tr>
+          {% endfor %}
+        </tbody>
+      </table>
+    </div>
+  </div>
+
+  <h4>{% trans "Let's Encrypt Certificates" %}</h4>
+
+  <div class="row">
+    <div class="col-sm-8">
+      <table class="table table-bordered table-condensed table-striped">
+        <thead>
+          <tr>
+            <th>{% trans "Domain" %}</th>
+            <th>{% trans "OpenPGP Fingerprint" %}</th>
+            <th>{% trans "Actions" %}</th>
+          </tr>
+        </thead>
+        <tbody>
+          {% for domain in status.letsencrypt_domains %}
+            <tr>
+              <td>{{ domain.name }}</td>
+              <td>
+                {% if domain.key %}
+		  <a href="{% url 'monkeysphere:details' domain.key.pgp_fingerprint %}"
+		     title="Show details for key {{ domain.key.pgp_fingerprint }}">
+                    {{ domain.key.pgp_fingerprint }}
+		  </a>
+                {% else %}
+                  {% trans "Not Available" %}
+                {% endif %}
+              </td>
+              <td>
+                {% if not domain.key %}
+                  <form class="form" method="post"
+                        action="{% url 'monkeysphere:generate_letsencrypt' domain.name %}">
                     {% csrf_token %}
 
                     <button type="submit" class="btn btn-primary btn-sm pull-right">

plinth/modules/monkeysphere/urls.py

@@ -28,8 +28,10 @@ urlpatterns = [
     url(r'^sys/monkeysphere/$', views.index, name='index'),
     url(r'^sys/monkeysphere/(?P<domain>[^/]+)/generate/$',
         views.generate, name='generate'),
-    url(r'^sys/monkeysphere/(?P<domain>[^/]+)/generate_https/$',
-        views.generate_https, name='generate_https'),
+    url(r'^sys/monkeysphere/(?P<domain>[^/]+)/generate_snakeoil/$',
+        views.generate_snakeoil, name='generate_snakeoil'),
+    url(r'^sys/monkeysphere/(?P<domain>[^/]+)/generate_letsencrypt/$',
+        views.generate_letsencrypt, name='generate_letsencrypt'),
     url(r'^sys/monkeysphere/(?P<fingerprint>[0-9A-Fa-f]+)/details/$',
         views.details, name='details'),
     url(r'^sys/monkeysphere/(?P<fingerprint>[0-9A-Fa-f]+)/publish/$',

plinth/modules/monkeysphere/views.py

@@ -63,14 +63,30 @@ def generate(request, domain):
 
 
 @require_POST
-def generate_https(request, domain):
-    """Generate OpenPGP key for HTTPS service."""
+def generate_snakeoil(request, domain):
+    """Generate OpenPGP key for snakeoil certificate."""
     valid_domain = any((domain in domains
                         for domains in names.domains.values()))
     if valid_domain:
         try:
             actions.superuser_run(
-                'monkeysphere', ['host-import-https-key', domain])
+                'monkeysphere', ['host-import-snakeoil-key', domain])
+            messages.success(request, _('Generated OpenPGP key.'))
+        except actions.ActionError as exception:
+            messages.error(request, str(exception))
+
+    return redirect(reverse_lazy('monkeysphere:index'))
+
+
+@require_POST
+def generate_letsencrypt(request, domain):
+    """Generate OpenPGP key for Let's Encrypt certificate."""
+    valid_domain = any((domain in domains
+                        for domains in names.domains.values()))
+    if valid_domain:
+        try:
+            actions.superuser_run(
+                'monkeysphere', ['host-import-letsencrypt-key', domain])
             messages.success(request, _('Generated OpenPGP key.'))
         except actions.ActionError as exception:
             messages.error(request, str(exception))
@@ -129,15 +145,31 @@ def get_status():
                 'key': keys.get(domain),
             })
 
-    https_domains = []
+    # XXX: Currently, there's no way to tell if keys in monkeysphere are for
+    # snakeoil or letsencrypt certs. If snakeoil cert is imported for a domain,
+    # then later that domain is activated for letsencrypt, the snakeoil cert
+    # will be shown in the letsencrypt table.
+    output = actions.superuser_run('letsencrypt', ['get-status'])
+    letsencrypt_domains_all = json.loads(output)['domains']
+    letsencrypt_domains = []
+    snakeoil_domains = []
     for domains_of_a_type in names.domains.values():
         for domain in domains_of_a_type:
-            https_domains.append({
-                'name': domain,
-                'key': https_keys.get(domain),
-            })
+            if domain in letsencrypt_domains_all and \
+               letsencrypt_domains_all[domain]['certificate_available']:
+                letsencrypt_domains.append({
+                    'name': domain,
+                    'key': https_keys.get(domain),
+                })
+            else:
+                snakeoil_domains.append({
+                    'name': domain,
+                    'key': https_keys.get(domain),
+                })
 
-    return {'domains': domains, 'https_domains': https_domains}
+    return {'domains': domains,
+            'snakeoil_domains': snakeoil_domains,
+            'letsencrypt_domains': letsencrypt_domains}
 
 
 def get_key(fingerprint):