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| require "rubygems" | |
| require "sinatra" | |
| require "base64" | |
| require "zlib" | |
| require "cgi" | |
| get '/' do | |
| content_type :html | |
| form = <<-EOS | |
| <html> | |
| <head><title>Decoder</title></head> | |
| <body> | |
| <form action='/decode' method='get'> | |
| <label>Paste encoded SAML here:</label><br/> | |
| <textarea rows='15' cols='60' name='q'></textarea><br/> | |
| <input type='submit'/> | |
| </form> | |
| </body> | |
| </html> | |
| EOS | |
| end | |
| get '/decode' do | |
| content_type :xml | |
| encoded = params[:q] | |
| encoded = unescape(encoded) if encoded =~ /%/ | |
| inflate(decode(encoded)) | |
| end | |
| private | |
| def decode(raw) | |
| Base64.decode64(raw) | |
| end | |
| def inflate(raw) | |
| zlib = Zlib::Inflate.new(-Zlib::MAX_WBITS) | |
| zlib.inflate(raw) | |
| end | |
| def unescape(raw) | |
| CGI::unescape(raw) | |
| end |
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