From 9d8deddb0a9df7d4d7d4b649ddf01b15570719e0 Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Sat, 7 Dec 2024 18:58:50 -0500
Subject: Moved webmentions to a single endpoint

---
 app/controllers/blogs_controller.rb       | 34 -----------------------------
 app/controllers/webmentions_controller.rb | 36 +++++++++++++++++++++++++++++++
 app/helpers/webmentions_helper.rb         |  2 ++
 app/views/blogs/show.html.haml            |  1 -
 app/views/layouts/application.html.haml   |  3 +--
 app/views/webmentions/.keep               |  0
 6 files changed, 39 insertions(+), 37 deletions(-)
 create mode 100644 app/controllers/webmentions_controller.rb
 create mode 100644 app/helpers/webmentions_helper.rb
 create mode 100644 app/views/webmentions/.keep

(limited to 'app')

diff --git a/app/controllers/blogs_controller.rb b/app/controllers/blogs_controller.rb
index 4bbbc28..033d6bb 100644
--- a/app/controllers/blogs_controller.rb
+++ b/app/controllers/blogs_controller.rb
@@ -1,9 +1,6 @@
-require 'microformats'
 require 'redcarpet/render_strip'
-require 'webmention'
 
 class BlogsController < ApplicationController
-  skip_before_action :verify_authenticity_token, only: [:webmention]
 
   def summary
     @blogs = Blog.where(published: true).order(published_at: :desc).paginate(page: params[:page], per_page: 10)
@@ -92,35 +89,4 @@ class BlogsController < ApplicationController
     end
   end
 
-  def webmention
-    @blog = Blog.find_by_slug(params[:slug])
-
-    raise ActiveRecord::RecordNotFound unless @blog
-    raise ActiveRecord::RecordNotFound unless @blog.published
-
-    permalink = url_for(@blog)
-
-    target = params[:target]
-    unless target == permalink
-      render json: { error: "Incorrect target for webmention endpoint (#{target} != #{permalink})." }
-      return
-    end
-
-    source = params[:source]
-    verification = Webmention.verify_webmention(source, target)
-    unless verification.verified?
-      render json: { error: "Webmention could not be verified." }
-      return
-    end
-
-    response = Webmention::Request.get(source)
-    parsed = Microformats.parse(response.body.to_s)
-
-    if parsed.entry.properties.to_hash.include?("like-of") and parsed.entry.like_of(:all).map(&:to_s).include? permalink
-      @blog.like!(parsed.entry.author.url, parsed.entry.author.name)
-    end
-
-    head :ok
-  end
-
 end
diff --git a/app/controllers/webmentions_controller.rb b/app/controllers/webmentions_controller.rb
new file mode 100644
index 0000000..d8aefc7
--- /dev/null
+++ b/app/controllers/webmentions_controller.rb
@@ -0,0 +1,36 @@
+require 'microformats'
+require 'webmention'
+
+class WebmentionsController < ApplicationController
+  skip_before_action :verify_authenticity_token
+
+  def create
+    source = params[:source]
+    target = params[:target]
+
+    verification = Webmention.verify_webmention(source, target)
+    unless verification.verified?
+      render json: { error: "Webmention could not be verified." }
+      return
+    end
+
+    target_parts = URI.parse(target).path.split("/").drop(1)
+
+    if target_parts[0] == "blog"
+      blog = Blog.find_by_slug(target_parts[1])
+
+      raise ActiveRecord::RecordNotFound unless blog
+      raise ActiveRecord::RecordNotFound unless blog.published
+
+      response = Webmention::Request.get(source)
+      parsed = Microformats.parse(response.body.to_s)
+
+      if parsed.entry.properties.to_hash.include?("like-of") and parsed.entry.like_of(:all).map(&:to_s).include? target
+        blog.like!(parsed.entry.author.url, parsed.entry.author.name)
+      end
+    end
+
+    head :ok
+  end
+  
+end
diff --git a/app/helpers/webmentions_helper.rb b/app/helpers/webmentions_helper.rb
new file mode 100644
index 0000000..4b22e43
--- /dev/null
+++ b/app/helpers/webmentions_helper.rb
@@ -0,0 +1,2 @@
+module WebmentionsHelper
+end
diff --git a/app/views/blogs/show.html.haml b/app/views/blogs/show.html.haml
index c849143..7558257 100644
--- a/app/views/blogs/show.html.haml
+++ b/app/views/blogs/show.html.haml
@@ -1,5 +1,4 @@
 - title @blog.title
-- content_for :webmention_endpoint, webmention_blog_url(@blog)
 - unless @prev.nil?
   .back-post= link_to "← #{@prev.title}", @prev
 - unless @next.nil?
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index d776b9c..b3928f2 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -7,8 +7,7 @@
     = javascript_include_tag 'application', 'data-turbolinks-track': 'reload'
     = display_meta_tags og: { site_name: "Four Island" }
     %link{rel: "me", href: "mailto:fefferburbia+thoughts@gmail.com"}
-    - if content_for?(:webmention_endpoint)
-      %link{rel: "webmention", href: yield(:webmention_endpoint)}
+    %link{rel: "webmention", href: webmentions_url}
   %body#main-body
     - if flash[:alert]
       %div#flash.flash-alert= flash[:alert]
diff --git a/app/views/webmentions/.keep b/app/views/webmentions/.keep
new file mode 100644
index 0000000..e69de29
-- 
cgit 1.4.1