diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..a3b16d6
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,5 @@
+source 'http://rubygems.org'
+
+gem 'sinatra'
+gem 'sinatra-reloader'
+gem 'logger'
diff --git a/app.rb b/app.rb
new file mode 100644
index 0000000..3d6a1ad
--- /dev/null
+++ b/app.rb
@@ -0,0 +1,46 @@
+require 'sinatra'
+require 'sinatra/reloader'
+require 'logger'
+require 'timeout'
+require 'open3'
+require "cgi/escape"
+
+#logger = Logger.new(STDOUT)
+
+get '/' do
+ erb :index
+end
+
+post '/' do
+ if params[:codes]
+ codes=params[:codes].split("\n")
+ cmd="ruby -e '#{codes.join("\n")}'"
+ stdin=params[:stdin].split("\n")
+ stdout=Array.new
+ stderr=Array.new
+ Open3.popen3(cmd) do |i, o, e, w| #=>|stdin, stdout, stderr, wait_thr(status)|
+ begin
+ Timeout.timeout(5) do
+ i.write stdin.join("\n")
+ i.close
+ o.each do |line|
+ stdout.push(line.chomp!.to_s)
+ end
+ e.each do |line|
+ stderr.push(line.chomp!.to_s)
+ end
+ status=w.value
+ @stdout=CGI.escapeHTML(stdout.join("\n"))
+ @stderr=CGI.escapeHTML(stderr.join("\n"))
+ @status=CGI.escapeHTML(status.to_s)
+ end
+ rescue Timeout::Error => error
+ Process.kill("KILL", w.pid)
+ @stderr="Fatal error: Maximum execution time of 5 seconds exceeded\n#{error}"
+ end
+ end
+ @codes=CGI.escapeHTML(codes.join("\n"))
+ @stdin=CGI.escapeHTML(stdin.join("\n"))
+ end
+ erb :index
+end
diff --git a/views/index.erb b/views/index.erb
new file mode 100644
index 0000000..5eaaa9a
--- /dev/null
+++ b/views/index.erb
@@ -0,0 +1,28 @@
+
+
+
+
+
+ Sinatra Rubyブラウザエディタ
+
+
+
+
+
+
+
+
+↓実行結果
+
+↓ステータスコード
+<%= @status%>
+
+