Implement received Webmention handling

Add the Flask application setup, database models and migrations,
authentication, and configuration for development and testing.

Implement asynchronous Webmention verification with Huey, including HTML
and plain-text source validation, retries, status tracking, and size
limits.

Add status, login, and paginated received-Webmention views together with
comprehensive tests for forms, views, and receiver tasks.

1 files changed, 44 insertions, 0 deletions

diff --git a/webmentions_ssg/templates/base.html b/webmentions_ssg/templates/base.html
new file mode 100644
index 0000000..237a437
--- /dev/null
+++ b/webmentions_ssg/templates/base.html
@@ -0,0 +1,44 @@
+{% from "bootstrap5/utils.html" import render_messages %}
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+  <head>
+    {% block head %}
+      <!-- Required meta tags -->
+      <meta charset="utf-8">
+      <meta name="viewport"
+            content="width=device-width, initial-scale=1, shrink-to-fit=no">
+      {% block styles %}
+        <!-- Bootstrap CSS -->
+        {{ bootstrap.load_css() }}
+      {% endblock %}
+      <title>{{ title }}</title>
+    {% endblock %}
+  </head>
+  <body>
+    <header>
+      <nav class="navbar bg-primary py-1">
+        <div class="container-fluid px3">
+          <a class="navbar-brand fs-6 mb-0" href="{{ url_for("root.index") }}">Webmentions</a>
+          {% if current_user.is_authenticated %}
+            <div class="navbar-nav flex-row gap-3">
+              <a class="nav-link{% if request.endpoint == 'root.received' %} active{% endif %}"
+                 href="{{ url_for("root.received") }}">Received</a>
+              <span class="nav-link disabled">Sent</span>
+              <a class="nav-link" href="{{ url_for("root.logout") }}">Logout</a>
+            </div>
+          {% endif %}
+        </div>
+      </div>
+    </nav>
+  </header>
+  <div class="mt-4">{{ render_messages(container=True) }}</div>
+  <div class="container py-4">
+    {% block content %}
+    {% endblock %}
+  </div>
+  {% block scripts %}
+    <!-- Optional JavaScript -->
+    {{ bootstrap.load_js() }}
+  {% endblock %}
+</body>
+</html>