Sha256: cb33d57ddbd8a5c7b35d41e01515e0bd81716f5b4027d4a3fa36ddc5a4e0ede5

Contents?: true

Size: 1.6 KB

Versions: 5

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Stored size: 1.6 KB

Contents

require 'active_support/core_ext/hash/conversions'
require 'action_dispatch/http/request'
require 'active_support/core_ext/hash/indifferent_access'

module ActionDispatch
  class ParamsParser
    class ParseError < StandardError
      attr_reader :original_exception

      def initialize(message, original_exception)
        super(message)
        @original_exception = original_exception
      end
    end

    DEFAULT_PARSERS = { Mime::JSON => :json }

    def initialize(app, parsers = {})
      @app, @parsers = app, DEFAULT_PARSERS.merge(parsers)
    end

    def call(env)
      if params = parse_formatted_parameters(env)
        env["action_dispatch.request.request_parameters"] = params
      end

      @app.call(env)
    end

    private
      def parse_formatted_parameters(env)
        request = Request.new(env)

        return false if request.content_length.zero?

        strategy = @parsers[request.content_mime_type]

        return false unless strategy

        case strategy
        when Proc
          strategy.call(request.raw_post)
        when :json
          data = ActiveSupport::JSON.decode(request.body)
          data = {:_json => data} unless data.is_a?(Hash)
          request.deep_munge(data).with_indifferent_access
        else
          false
        end
      rescue Exception => e # JSON or Ruby code block errors
        logger(env).debug "Error occurred while parsing request parameters.\nContents:\n\n#{request.raw_post}"

        raise ParseError.new(e.message, e)
      end

      def logger(env)
        env['action_dispatch.logger'] || ActiveSupport::Logger.new($stderr)
      end
  end
end

Version data entries

5 entries across 5 versions & 2 rubygems

Version Path
challah-1.0.0 vendor/bundle/gems/actionpack-4.0.0/lib/action_dispatch/middleware/params_parser.rb
actionpack-4.0.0 lib/action_dispatch/middleware/params_parser.rb
actionpack-4.0.0.rc2 lib/action_dispatch/middleware/params_parser.rb
actionpack-4.0.0.rc1 lib/action_dispatch/middleware/params_parser.rb
actionpack-4.0.0.beta1 lib/action_dispatch/middleware/params_parser.rb