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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
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