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Contents
begin
require 'json'
rescue LoadError => e
require 'json/pure'
end
module Rack
# A Rack middleware for parsing POST/PUT body data when Content-Type is
# not one of the standard supported types, like <tt>application/json</tt>.
#
# TODO: Find a better name.
#
class PostBodyContentTypeParser
# Constants
#
CONTENT_TYPE = 'CONTENT_TYPE'.freeze
POST_BODY = 'rack.input'.freeze
FORM_INPUT = 'rack.request.form_input'.freeze
FORM_HASH = 'rack.request.form_hash'.freeze
# Supported Content-Types
#
APPLICATION_JSON = 'application/json'.freeze
def initialize(app)
@app = app
end
def call(env)
if Rack::Request.new(env).media_type == APPLICATION_JSON && (body = env[POST_BODY].read).length != 0
env[POST_BODY].rewind # somebody might try to read this stream
env.update(FORM_HASH => JSON.parse(body, :create_additions => false), FORM_INPUT => env[POST_BODY])
end
@app.call(env)
rescue JSON::ParserError
bad_request('failed to parse body as JSON')
end
def bad_request(body = 'Bad Request')
[ 400, { 'Content-Type' => 'text/plain', 'Content-Length' => body.size.to_s }, [body] ]
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems