block ips rake task

Rakefile

@@ -1,4 +1,4 @@
-require "rake/testtask"
+require 'rake/testtask'
 
 task :environment do
   require './environment.rb'
@@ -53,3 +53,29 @@ task :update_screenshots => [:environment] do
     ScreenshotWorker.perform_async s.username
   }
 end
+
+desc 'Update banned IPs list'
+task :update_blocked_ips => [:environment] do
+
+  uri = URI.parse('http://www.stopforumspam.com/downloads/listed_ip_90.zip')
+  blocked_ips_zip = Tempfile.new('blockedipszip', Dir.tmpdir, 'wb')
+  blocked_ips_zip.binmode
+
+  Net::HTTP.start(uri.host, uri.port) do |http|
+    resp = http.get(uri.path)
+    blocked_ips_zip.write(resp.body)
+    blocked_ips_zip.flush
+  end
+
+  Zip::File.open(blocked_ips_zip.path) do |zip_file|
+    ips = zip_file.glob('listed_ip_90.txt').first.get_input_stream.read
+    insert_hashes = []
+    ips.each_line {|ip| insert_hashes << {ip: ip.strip, created_at: Time.now}}
+    ips = nil
+
+    DB.transaction do
+      DB[:blocked_ips].delete
+      DB[:blocked_ips].multi_insert insert_hashes
+    end
+  end
+end

migrations/038_blocked_ips.rb

@@ -0,0 +1,12 @@
+Sequel.migration do
+  up {
+    DB.create_table! :blocked_ips do
+      String :ip, primary_key: true
+      DateTime :created_at
+    end
+  }
+
+  down {
+    DB.drop_table :blocked_ips
+  }
+end

migrations/039_add_banned_at.rb

@@ -0,0 +1,9 @@
+Sequel.migration do
+  up {
+    DB.add_column :sites, :banned_at, :timestamp
+  }
+
+  down {
+    DB.drop_column :sites, :banned_at
+  }
+end

models/blocked_ip.rb

@@ -0,0 +1,3 @@
+class BlockedIp < Sequel::Model
+
+end

models/site.rb

@@ -117,10 +117,14 @@ class Site < Sequel::Model
   end
 
   def self.banned_ip?(ip)
-    !Site.where(is_banned: true).
+    return true if Site.where(is_banned: true).
       where(ip: ip).
       where(['updated_at > ?', Time.now-BANNED_TIME]).
-    first.nil?
+      first
+
+    return true if BlockedIp[ip]
+
+    false
   end
 
   def is_following?(site)