From b7537e7b06b5f2b772cb971ac8637a98e359135b Mon Sep 17 00:00:00 2001
From: Daniel Supernault <danielsupernault@gmail.com>
Date: Thu, 19 Apr 2018 19:17:15 -0600
Subject: [PATCH] Add Webfinger utility

---
 app/Util/Webfinger/Webfinger.php    | 122 ++++++++++++++++++++++++++++
 app/Util/Webfinger/WebfingerUrl.php |  19 +++++
 2 files changed, 141 insertions(+)
 create mode 100644 app/Util/Webfinger/Webfinger.php
 create mode 100644 app/Util/Webfinger/WebfingerUrl.php

diff --git a/app/Util/Webfinger/Webfinger.php b/app/Util/Webfinger/Webfinger.php
new file mode 100644
index 000000000..4de7010e4
--- /dev/null
+++ b/app/Util/Webfinger/Webfinger.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace App\Util\Webfinger;
+
+use App\User;
+use App\Util\Lexer\Nickname;
+
+class Webfinger {
+
+  public $user;
+  public $subject;
+  public $aliases;
+  public $links;
+
+  public function __construct($user)
+  {
+    $this->user = $user;
+    $this->subject = '';
+    $this->aliases = array();
+    $this->links = array();
+  }
+
+  public function setSubject()
+  {
+    $host = parse_url(config('app.url'), PHP_URL_HOST);
+    $username = $this->user->username;
+
+    $this->subject = 'acct:'.$username.'@'.$host;
+    return $this;
+  }
+
+  public function generateAliases()
+  {
+    $host = parse_url(config('app.url'), PHP_URL_HOST);
+    $username = $this->user->username;
+    $url = $this->user->url();
+
+    $this->aliases = [
+      'acct:'.$username.'@'.$host,
+      $url
+    ];
+    return $this;
+  }
+
+  public function generateLinks()
+  {
+    $user = $this->user;
+
+    $this->links = [
+      [
+        'rel' => 'http://webfinger.net/rel/profile-page',
+        'type' => 'text/html',
+        'href' => $user->url()
+      ],
+      [
+        'rel' => 'http://gmpg.org/xfn/11',
+        'type' => 'text/html',
+        'href' => $user->url()
+      ],
+      [
+        'rel' => 'describedby',
+        'type' => 'application\/rdf+xml',
+        'href' => $user->url('/foaf')
+      ],
+      [
+        'rel' => 'http://apinamespace.org/atom',
+        'type' => 'application/atomsvc+xml',
+        'href' => url('/api/statusnet/app/service/admin.xml')
+      ],
+      [
+        'rel' => 'http://apinamespace.org/twitter',
+        'href' => url('/api/')
+      ],
+      [
+        'rel' => 'http://specs.openid.net/auth/2.0/provider',
+        'href' => $user->url()
+      ],
+      [
+        'rel' => 'http://schemas.google.com/g/2010#updates-from',
+        'type' => 'application/atom+xml',
+        'href' => url("/api/statuses/user_timeline/{$user->id}.atom")
+      ],
+      [
+        'rel' => 'magic-public-key',
+        'href' => ''
+      ],
+      [
+        'rel' => 'salmon',
+        'href' => $user->url('/salmon')
+      ],
+      [
+        'rel' => 'http://salmon-protocol.org/ns/salmon-replies',
+        'href' => $user->url('/salmon')
+      ],
+      [
+        'rel' => 'http://salmon-protocol.org/ns/salmon-mention',
+        'href' => $user->url('/salmon')
+      ],
+      [
+        'rel' => 'http://ostatus.org/schema/1.0/subscribe',
+        'href' => url('/main/ostatussub?profile={uri}')
+      ]
+    ];
+    return $this;
+  }
+
+  public function generate()
+  {
+    $this->setSubject();
+    $this->generateAliases();
+    $this->generateLinks();
+
+    return [
+      'subject' => $this->subject,
+      'aliases' => $this->aliases,
+      'links'   => $this->links
+    ];
+  }
+
+
+
+}
\ No newline at end of file
diff --git a/app/Util/Webfinger/WebfingerUrl.php b/app/Util/Webfinger/WebfingerUrl.php
new file mode 100644
index 000000000..2eb21c3b8
--- /dev/null
+++ b/app/Util/Webfinger/WebfingerUrl.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Util\Webfinger;
+
+use App\User;
+use App\Util\Lexer\Nickname;
+
+class WebfingerUrl {
+
+  public static function generateWebfingerUrl($url)
+  {
+    $url = Nickname::normalizeProfileUrl($url);
+    $domain = $url['domain'];
+    $username = $url['username'];
+    $path = "https://{$domain}/.well-known/webfinger?resource={$username}@{$domain}";
+    return $path;
+  }
+
+}
\ No newline at end of file