Module: Goliath::Rack::Params::Parser

Included in:
Builder, Goliath::Rack::Params
Defined in:
lib/goliath/rack/params.rb

Instance Method Summary collapse

Instance Method Details

#retrieve_params(env) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/goliath/rack/params.rb', line 18

def retrieve_params(env)
  params = env['params'] || {}
  begin
    params.merge!(::Rack::Utils.parse_nested_query(env['QUERY_STRING']))
    if env['rack.input']
      post_params = ::Rack::Utils::Multipart.parse_multipart(env)
      unless post_params
        body = env['rack.input'].read
        env['rack.input'].rewind

        unless body.empty?
          post_params = case(env['CONTENT_TYPE'])
          when URL_ENCODED then
            ::Rack::Utils.parse_nested_query(body)
          when JSON_ENCODED then
            json = MultiJson.load(body)
            if json.is_a?(Hash)
              json
            else
              {'_json' => json}
            end
          else
            {}
          end
        else
          post_params = {}
        end
      end
      params.merge!(post_params)
    end
  rescue StandardError => e
    raise Goliath::Validation::BadRequestError, "Invalid parameters: #{e.class.to_s}"
  end
  params
end