Sha256: 8bc00eeffb7bd3c077b7485dd121e734b4b3542bc90f24b6bc033065a459a340
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Size: 1.21 KB
Versions: 3
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Stored size: 1.21 KB
Contents
require 'rack' require 'logger' module Goldencobra class HandleInvalidPercentEncoding DEFAULT_CONTENT_TYPE = 'text/html' DEFAULT_CHARSET = 'utf-8' attr_reader :logger def initialize(app, stdout=STDOUT) @app = app @logger = defined?(Rails.logger) ? Rails.logger : Logger.new(stdout) end def call(env) begin # calling env.dup here prevents bad things from happening request = Rack::Request.new(env.dup) # calling request.params is sufficient to trigger the error # see https://github.com/rack/rack/issues/337#issuecomment-46453404 request.params @app.call(env) rescue ArgumentError => e raise unless e.message =~ /invalid %-encoding/ message = "BAD REQUEST: Returning 400 due to #{e.message} from request with env #{request.inspect}" logger.info message content_type = env['HTTP_ACCEPT'] || DEFAULT_CONTENT_TYPE status = 400 body = "Bad Request" return [ status, { 'Content-Type' => "#{content_type}; charset=#{DEFAULT_CHARSET}", 'Content-Length' => body.bytesize.to_s }, [body] ] end end end end
Version data entries
3 entries across 3 versions & 1 rubygems