fixes for ip block updater

Rakefile

@@ -53,7 +53,6 @@ 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
@@ -64,8 +63,9 @@ task :update_blocked_ips => [:environment] do
     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
+  Zip::Archive.open(blocked_ips_zip.path) do |ar|
+    ar.fopen('listed_ip_90.txt') do |f|
+      ips = f.read
       insert_hashes = []
       ips.each_line {|ip| insert_hashes << {ip: ip.strip, created_at: Time.now}}
       ips = nil
@@ -76,6 +76,7 @@ task :update_blocked_ips => [:environment] do
       end
     end
   end
+end
 
 desc 'Compile domain map for nginx'
 task :compile_domain_map => [:environment] do