lib/z-http/middleware/oauth.rb
require 'simple_oauth'
module ZMachine
module Middleware
class OAuth
include HttpEncoding
def initialize(opts = {})
@opts = opts.dup
# Allow both `oauth` gem and `simple_oauth` gem opts formats
@opts[:token] ||= @opts.delete(:access_token)
@opts[:token_secret] ||= @opts.delete(:access_token_secret)
end
def request(client, head, body)
request = client.req
uri = request.uri.join(encode_query(request.uri, request.query))
params = {}
# from https://github.com/oauth/oauth-ruby/blob/master/lib/oauth/request_proxy/em_http_request.rb
if ["POST", "PUT"].include?(request.method)
head["content-type"] ||= "application/x-www-form-urlencoded" if body.is_a? Hash
form_encoded = head["content-type"].to_s.downcase.start_with?("application/x-www-form-urlencoded")
if form_encoded
CGI.parse(client.normalize_body(body)).each do |k,v|
# Since `CGI.parse` always returns values as an array
params[k] = v.size == 1 ? v.first : v
end
end
end
head["Authorization"] = SimpleOAuth::Header.new(request.method, uri, params, @opts)
[head,body]
end
end
end
end