transforms ips to hashes (#6)

* transforms ips to hashes

* updates version

* transforms forwarded_ip to hash only if it is present

* changes from SHA1 to SHA256

* don't set forwarded_ip anymore

Gemfile

@@ -5,3 +5,5 @@ gemspec
 gem "jquery-rails"
 
 gem "responders"
+
+gem 'test-unit', '~> 3.0'

gemfiles/rails_3.gemfile

@@ -4,7 +4,8 @@ source "https://rubygems.org/"
 
 gem "jquery-rails"
 gem "responders"
+gem "test-unit", "~> 3.0"
 gem "rails", "~> 3.2.21"
 gem "mongoid", "~> 3.1.6"
 
-gemspec :path => "../"
+gemspec path: "../"

gemfiles/rails_4.gemfile

@@ -4,7 +4,8 @@ source "https://rubygems.org/"
 
 gem "jquery-rails"
 gem "responders"
+gem "test-unit", "~> 3.0"
 gem "rails", "~> 4.0"
 gem "mongoid", "~> 4"
 
-gemspec :path => "../"
+gemspec path: "../"

lib/re_track/session_data.rb

@@ -29,15 +29,20 @@ def first_visited_at
       end
 
       def ip
-        @request.remote_ip
+        Digest::SHA256.hexdigest(@request.remote_ip + ip_secret)
       end
 
       def accept_language
         @request.env['HTTP_ACCEPT_LANGUAGE']
       end
 
       def forwarded_ip
-        @request.env['HTTP_X_FORWARDED_FOR'] || @request.env['HTTP_CLIENT_IP']
+        # we don't need this information anymore
+        nil
+      end
+
+      def ip_secret
+        ENV['ENCRYPT_IP_SECRET'] || ''
       end
 
     extend self

lib/re_track/version.rb

@@ -1,3 +1,3 @@
 module ReTrack
-  VERSION = '0.6.0'
+  VERSION = '0.7.4'
 end

spec/controllers/referer_tracking_spec.rb

@@ -75,15 +75,16 @@
       end
 
       it 'saves the ip in RefererTracking' do
-        @rt.ip.should == @ip
+        encrypted_ip = Digest::SHA256.hexdigest(@ip)
+        @rt.ip.should == encrypted_ip
       end
 
       it 'saves the accept_language in RefererTracking' do
         expect(@rt.accept_language).to eq @accept_language
       end
 
       it 'saves forwarded_ip in RefererTracking' do
-        expect(@rt.forwarded_ip).to eq @forwarded_ip
+        expect(@rt.forwarded_ip).to eq nil
       end
     end