From aa54ca3ea7b726d6e9c411ed41952ac8b483484c Mon Sep 17 00:00:00 2001
From: spag <spag@golwen.net>
Date: Wed, 20 Feb 2013 08:40:15 +0100
Subject: write firewall blacklist method

---
 app/models/intruder.rb | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'app')

diff --git a/app/models/intruder.rb b/app/models/intruder.rb
index 249fffc..97e3773 100644
--- a/app/models/intruder.rb
+++ b/app/models/intruder.rb
@@ -31,6 +31,41 @@ class Intruder < ActiveRecord::Base
     end
   end
 
+  def self.write_firewall_blacklist
+    firewall_blacklist_file = GsParameter.get('blacklist_file', 'perimeter', 'general')
+    entry_template = GsParameter.get('blacklist_file_entry', 'perimeter', 'general')
+    comment_template = GsParameter.get('blacklist_file_comment', 'perimeter', 'general')
+    File.open(firewall_blacklist_file, 'w') do |file|
+      Intruder.where(:list_type => 'blacklist').where('bans > 0').all.each do |entry|
+        if ! comment_template.blank?
+          file.write(self.expand_variables(comment_template, entry.to_hash) + "\n")
+        end
+        file.write(self.expand_variables(entry_template, entry.to_hash) + "\n")
+      end
+    end
+  end
+
+  def self.expand_variables(line, variables)
+    return line.gsub(/\{([a-z_]+)\}/) do |m| 
+      variables[$1.to_sym]
+    end
+  end
+
+  def to_hash
+    return {
+      :key => self.key, 
+      :points => self.points, 
+      :bans => self.bans, 
+      :received_port => self.contact_port, 
+      :received_ip => self.contact_ip,
+      :contact_count => self.contact_count, 
+      :user_agent => self.user_agent, 
+      :to_user => self.to_user, 
+      :comment => self.comment,
+      :date => DateTime.now.strftime('%Y-%m-%d %X')
+    }
+  end
+
   private
   def set_key_if_empty
     if self.key.blank?
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