Rakismet

Added by maciej at October 09, 2009 12:04 Star_small_grayStar_small_grayStar_small_grayStar_small_grayStar_small_gray
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About

Rakismet is Akismet client for rack. Akismet is a web service which deals with spam. You have to obtain an API key and you can start using it.

Usage

You have to provide your API key, your site url, mapping hash which maps fields from your comment form to variables required by Akismet and predicate which indicates if a request should be checked by Akismet.

require 'rubygems'
require 'sinatra'

require File.join(File.dirname(__FILE__), '..', 'lib', 'rakismet.rb')


get '/' do
  %{<html><head><title>Rakismet</title></head><body>
  <form action="/posts" method="post">
    <label for="comment_author">author</author>
    <input type="text" name="author" id="comment_author" />
    <br />

    <label for="comment_email">email</label>
    <input type="text" name="email" id="comment_email" />
    <br />
    <label for="comment_url">url</author>
    <input type="text" name="url" id="comment_url" />
    <br />
    <label for="comment_content">content</author>
    <input type="text" name="content" id="content" />
    <br />

    <input type="submit" value="submit" />
  </form>
  </body></html>}
end

post '/posts' do
  if request.spam?
    "spammer!!"
  else
    "<html><head><title>Rakismet</title></head><body>OHAI!</body></html>"
  end
end

form_mapping = { "author" => :comment_author,
                 "email" => :comment_author_email,
                 "url" => :comment_author_url,
                 "content" => :comment_content }

predicate = lambda do |path, method, form_data|
  path =~ /posts/ && method == "POST"
end


use Rack::Rakismet, "yourkey", "http://yourblog.wordpress.com", form_mapping, predicate
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