Class: Brochure::Failsafe

Inherits:
Object
  • Object
show all
Defined in:
lib/brochure/failsafe.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Failsafe

Returns a new instance of Failsafe.



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# File 'lib/brochure/failsafe.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/brochure/failsafe.rb', line 7

def call(env)
  @app.call(env)
rescue Exception => exception
  backtrace = ["#{exception.class.name}: #{exception}", *exception.backtrace].join("\n  ")
  env["rack.errors"].puts(backtrace)
  env["rack.errors"].flush

  body = "    <!DOCTYPE html>\n    <html><head><title>Internal Server Error</title></head>\n    <body><h1>500 Internal Server Error</h1></body></html>\n  HTML\n\n  [500,\n   { \"Content-Type\"   => \"text/html, charset=utf-8\",\n     \"Content-Length\" => Rack::Utils.bytesize(body).to_s },\n   [body]]\nend\n"