Class: ExceptionNo::Middleware

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

Instance Method Summary collapse

Constructor Details

#initialize(app, notifier, options = {}) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/exception_no.rb', line 71

def initialize(app, notifier, options = {})
  @app = app
  @notifier = notifier
  @sanitizer = options.fetch(:sanitizer, -> _ { _ })
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/exception_no.rb', line 77

def call(env)
  begin
    @app.call(env)
  rescue Exception => e
    @notifier.notify(e, extract_env(env))

    raise e
  end
end

#extract_env(env) ⇒ Object 



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# File 'lib/exception_no.rb', line 87

def extract_env(env)
  req = Rack::Request.new(env)

  parts = []

  parts << "#{req.request_method} #{req.url}"
  parts << "User-Agent: #{req.user_agent}" if req.user_agent
  parts << "Referrer: #{req.referrer}" if req.referrer
  parts << "IP: #{req.ip}" if req.ip
  parts << "Cookie: #{req.env["HTTP_COOKIE"]}" if req.cookies.size > 0

  if req.form_data?
    body = @sanitizer.call(req.POST).pretty_inspect
  else
    req.body.rewind

    body = req.body.read

    if body.empty?
      body = nil
    else
      body = @sanitizer.call(body)
    end
  end

  if body
    parts << "Body: \n\n#{body.gsub(/^/, "  ")}"
  end

  parts
end