1 files changed, 30 insertions, 0 deletions
diff --git a/lib/webfinger/host_meta_presenter.rb b/lib/webfinger/host_meta_presenter.rb
new file mode 100644
index 0000000..84ab7a9
--- /dev/null
+++ b/lib/webfinger/host_meta_presenter.rb
@@ -0,0 +1,30 @@
+require 'uri'
+
+class Webfinger::HostMetaPresenter
+  def initialize(request)
+    @request = request
+  end
+
+  def to_json(options = {})
+    {
+      subject: subject,
+      links: links
+    }.to_json(options)
+  end
+
+  def subject
+    url = URI.parse(@request.url)
+    url.path = ''
+    url.to_s
+  end
+
+  def links
+    { lrdd: { type: 'application/xrd+xml', template: webfinger_template } }
+  end
+
+  protected
+
+  def webfinger_template(path = 'webfinger', query_param='q')
+    "#{subject}/#{path}?#{query_param}={uri}"
+  end
+end