class Rack::ParsePostedJSON

Constants

METHODS_WITH_BODY

Public Class Methods

new(app) click to toggle source
# File lib/rack-parse-posted-json.rb, line 5
def initialize(app)
  @app = app
end

Public Instance Methods

call(env) click to toggle source
# File lib/rack-parse-posted-json.rb, line 9
def call(env)
  begin
    if METHODS_WITH_BODY.include?(env['REQUEST_METHOD'])
      data = env['rack.input'].read
      data.force_encoding('utf-8')
      env['json'] = JSON.parse(data)
    end
  rescue JSON::ParserError => error
    body = {message: error.message}.to_json

    headers = {
      'Content-Type' => 'application/json',
      'Content-Length' => body.bytesize.to_s
    }

    return [400, headers, [body]]
  end

  @app.call(env)
end