Add plugin to set topic of #news to "istheinternetonfire.com" status.

plugins/internetonfire.rb

+#!/usr/bin/env ruby
+
+# Plugin that monitors istheinternetonfire.com
+class Internetonfire
+  require 'json'
+  require 'open-uri'
+
+  def initialize( status, config, output, irc, timer )
+    @status  = status
+    @config  = config
+    @output  = output
+    @irc     = irc
+    @timer   = timer
+
+    @url     = 'https://istheinternetonfire.com/status.json'
+    @timer   = 3600
+    @recent  = ''
+
+    @channel = '#news'
+    @prefix  = 'Tech news & security bulletins'
+
+    if( @status.threads && @config.threads)
+      @retr_thread = Thread.new{ check_state }
+    end
+  end
+
+  # Default action for this plugin
+  def main( nick, user, host, from, msg, arguments, con )
+  end
+
+  # Method to be called when the plugin is unloaded
+  def unload
+    if( @status.threads && @config.threads)
+      @retr_thread.exit
+    end
+    return true
+  end
+
+  private
+  def check_state
+    loop do
+      begin
+        response = open(@url).read
+
+        state = JSON.parse(response)['status']
+
+        # Check if changed since last time
+        if @recent == state
+          raise 'No update'
+        else
+          @recent = state
+          # Set topic
+          @irc.topic( @channel, "#{@prefix} | Is the internet on fire? #{state}" )
+        end
+
+      rescue Exception => e
+        # Silently fail
+        @output.debug( "Error while reading status: #{e.message}\n" )
+      end
+
+      # Wait for a bit before fetching again
+      sleep( @timer )
+    end
+  end
+end