Fix bug.

app/controllers/admin/plow_controller.rb

@@ -8,12 +8,12 @@ class Admin::PlowController < ApplicationController
   skip_before_action :verify_authenticity_token
 
   def index
-    reverse_proxy "unix://#{Rails.root}/tmp/plow.sock", path: '/' do |config|
+    reverse_proxy "unix://#{SocketFile}", path: '/' do |config|
     end
   end
   def show
     path = request.env['ORIGINAL_FULLPATH']#.gsub("/admin/plow", "")
-    reverse_proxy "unix://#{Rails.root}/tmp/plow.sock", path: path do |config|
+    reverse_proxy "unix://#{SocketFile}", path: path do |config|
     end
   end
   def setting
@@ -25,7 +25,7 @@ class Admin::PlowController < ApplicationController
   def save_setting
     @setting.update_attributes(params[:plow_setting].permit!)
     if File.exist?(SocketFile)
-      if @plow_pid
+      if @plow_pid != 0
         Process.kill(:INT, @plow_pid)
       end
       `rm #{SocketFile}`

app/models/site_cert.rb

@@ -1,4 +1,5 @@
 class SiteCert
+  require 'fileutils'
   include Mongoid::Document
   include Mongoid::Timestamps
   mount_uploader :cert_file, AssetUploader #Public key
@@ -35,13 +36,12 @@ class SiteCert
       org_cert_file_name = self.cert_file.file.file.to_s
       cert_file_name = org_cert_file_name.sub(/.cer$/, '.crt')
       if org_cert_file_name != cert_file_name
-        if File.open(org_cert_file_name, 'r').read().match(/\A\s*---/)
-          new_sf = CarrierWave::SanitizedFile.new(self.cert_file.file.move_to(cert_file_name))
+        if File.read(org_cert_file_name).match(/\A\s*---/)
+          FileUtils.cp(org_cert_file_name, cert_file_name)
         else
           `openssl x509 --inform DER -in #{org_cert_file_name} --out #{cert_file_name}`
-          new_sf = CarrierWave::SanitizedFile.new(cert_file_name)
         end
-        self.cert_file.cache!(new_sf)
+        self.cert_file.retrieve_from_store!(File.basename(cert_file_name))
       end
     	cert_file_md5 = `openssl x509 -noout -modulus -in #{cert_file_name} | openssl md5`
     	private_key_md5 = `openssl rsa -noout -modulus -in #{self.private_key.file.file} | openssl md5`