Squashed commit of the following:

commit f02ac2b94326054a842a65ed5a2b851351c1d533
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Sat Sep 16 18:44:52 2017 +0100

    update changelog

commit 2e77668cae03246189d8ce931f9ab29d2531d522
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Sat Sep 16 18:44:45 2017 +0100

    Add a middleware for adding AS2.0 header links

commit 931ba1fe5dd2eacf32e4da3eefec081173dee8de
Author: Jonny Barnes <jonny@jonnybarnes.uk>
Date:   Sat Sep 16 18:44:16 2017 +0100

    remove references to AS2.0 links

app/Http/Controllers/NotesController.php

@@ -27,9 +27,8 @@ class NotesController extends Controller
             ->withCount(['webmentions As replies' => function ($query) {
                 $query->where('type', 'in-reply-to');
             }])->paginate(10);
-        $aslink = config('app.url');
 
-        return view('notes.index', compact('notes', 'aslink'));
+        return view('notes.index', compact('notes'));
     }
 
     /**
@@ -46,9 +45,7 @@ class NotesController extends Controller
             return (new ActivityStreamsService)->singleNoteResponse($note);
         }
 
-        $aslink = $note->longurl;
+        return view('notes.show', compact('note'));
-
-        return view('notes.show', compact('note', 'aslink'));
     }
 
     /**

app/Http/Kernel.php

@@ -38,6 +38,7 @@ class Kernel extends HttpKernel
             \App\Http\Middleware\LinkHeadersMiddleware::class,
             //\App\Http\Middleware\DevTokenMiddleware::class,
             \App\Http\Middleware\LocalhostSessionMiddleware::class,
+            \App\Http\Middleware\ActivityStreamLinks::class,
         ],
 
         'api' => [

app/Http/Middleware/ActivityStreamLinks.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+
+class ActivityStreamLinks
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $response = $next($request);
+        if ($request->path() === '/') {
+            $response->header('Link', '<' . config('app.url') . '>; rel="application/activity+json"', false);
+        }
+        if ($request->is('notes/*')) {
+            $response->header('Link', '<' . $request->url() . '>; rel="application/activity+json"', false);
+        }
+
+        return $response;
+    }
+}

changelog.md

@@ -2,6 +2,7 @@
 
 ## Version {next}
   - Order notes by latest (issue#70)
+  - AcitivtyStream support is now indicated with HTTP Link headers
 
 ## Version 0.8 (2017-09-16)
   - Improve embedding of tweets (issue#66)

resources/views/master.blade.php

@@ -12,8 +12,6 @@
   <link rel="alternate" type="application/rss+xml" title="Notes RSS Feed" href="/notes/feed.rss">
   <link rel="alternate" type="application/atom+xml" title="Notes Atom Feed" href="/notes/feed.atom">
   <link rel="alternate" type="application/json" title="Notes JSON Feed" href="/notes/feed.json">
-@isset($aslink)  <link rel="alternate" type="application/activity+json" href="{{ $aslink }}">
-@endisset
   <link rel="openid.server" href="https://indieauth.com/openid">
   <link rel="openid.delegate" href="{{ config('app.url') }}">
   <link rel="authorization_endpoint" href="https://indieauth.com/auth">