2011-12-16 03:29:37 -05:00
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module ActionDispatch
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class PublicExceptions
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attr_accessor :public_path
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2012-06-12 12:24:56 -04:00
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def initialize(public_path)
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2011-12-16 03:29:37 -05:00
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@public_path = public_path
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end
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def call(env)
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2012-06-11 15:58:24 -04:00
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status = env["PATH_INFO"][1..-1]
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request = ActionDispatch::Request.new(env)
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content_type = request.formats.first
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2013-05-09 00:28:27 -04:00
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body = { :status => status, :error => Rack::Utils::HTTP_STATUS_CODES.fetch(status.to_i, Rack::Utils::HTTP_STATUS_CODES[500]) }
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2012-06-11 15:58:24 -04:00
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2012-06-14 20:58:05 -04:00
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render(status, content_type, body)
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2012-06-11 15:58:24 -04:00
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end
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private
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2012-06-14 20:58:05 -04:00
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def render(status, content_type, body)
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2013-05-09 00:28:27 -04:00
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format = "to_#{content_type.to_sym}" if content_type
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2012-06-12 12:24:56 -04:00
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if format && body.respond_to?(format)
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2012-06-14 20:28:37 -04:00
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render_format(status, content_type, body.public_send(format))
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2011-12-16 03:29:37 -05:00
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else
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2012-06-11 15:58:24 -04:00
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render_html(status)
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2011-12-16 03:29:37 -05:00
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end
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end
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2012-06-14 20:28:37 -04:00
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def render_format(status, content_type, body)
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[status, {'Content-Type' => "#{content_type}; charset=#{ActionDispatch::Response.default_charset}",
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2012-06-11 15:58:24 -04:00
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'Content-Length' => body.bytesize.to_s}, [body]]
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end
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def render_html(status)
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2014-05-20 21:25:20 -04:00
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path = "#{public_path}/#{status}.#{I18n.locale}.html"
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path = "#{public_path}/#{status}.html" unless (found = File.exist?(path))
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2011-12-16 03:29:37 -05:00
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2012-06-11 15:58:24 -04:00
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if found || File.exist?(path)
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2012-06-14 20:28:37 -04:00
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render_format(status, 'text/html', File.read(path))
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2012-06-11 15:58:24 -04:00
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else
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[404, { "X-Cascade" => "pass" }, []]
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end
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2011-12-16 03:29:37 -05:00
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end
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end
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2012-06-11 15:58:24 -04:00
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end
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