require 'time' require 'openssl' require 'Base64' require "net/http" require "uri" require 'json' module NCMB DOMAIN = 'mb.api.cloud.nifty.com' API_VERSION = '2013-09-01' @application_key = nil @client_key = nil @@client = nil class Client include NCMB attr_accessor :application_key, :client_key, :domain, :api_version def initialize(params = {}) @domain = NCMB::DOMAIN @api_version = NCMB::API_VERSION @application_key = params[:application_key] @client_key = params[:client_key] end def get(path, params) request :get, path, params end def post(path, params) request :post, path, params end def array2hash(ary) new_v = {} ary.each do |hash| if hash.is_a? Hash key = hash.keys[0] new_v[key] = hash[key] else new_v = [hash] end end new_v end def encode_query(queries = {}) results = {} queries.each do |k, v| v = array2hash(v) if v.is_a? Array if v.is_a? Hash results[k.to_s] = URI.escape(v.to_json.to_s, /[^-_.!~*'()a-zA-Z\d;\/?@&=+$,#]/) else results[k.to_s] = URI.escape(v.to_s, /[^-_.!~*'()a-zA-Z\d;\/?@&=+$,#]/) end end results end def hash2query(queries = {}) results = {} queries.each do |k, v| v = array2hash(v) if v.is_a? Array if v.is_a? Hash results[k.to_s] = v.to_json.to_s else results[k.to_s] = v.to_s end end results.collect do |key, value| "#{key}=#{value}" end end def generate_signature(method, path, now = nil, queries = {}) params_base = { "SignatureMethod" => "HmacSHA256", "SignatureVersion" => "2", "X-NCMB-Application-Key" => @application_key } params = method == :get ? params_base.merge(encode_query(queries)) : params_base now ||= Time.now.utc.iso8601 params = params.merge "X-NCMB-Timestamp" => now params = params.sort_by{|a, b| a.to_s}.to_h signature_base = [] signature_base << method.upcase signature_base << @domain signature_base << path signature_base << params.collect{|k,v| "#{k}=#{v}"}.join("&") signature = Base64.encode64(OpenSSL::HMAC.digest(OpenSSL::Digest.new('sha256'), @client_key, signature_base.join("\n"))).strip() end def request(method, path, queries = {}) now = Time.now.utc.iso8601 signature = generate_signature(method, path, now, queries) query = hash2query(queries).join("&") http = Net::HTTP.new(@domain, 443) http.use_ssl=true headers = { "X-NCMB-Application-Key" => @application_key, "X-NCMB-Signature" => signature, "X-NCMB-Timestamp" => now, "Content-Type" => 'application/json' } if method == :get path = path + URI.escape((query == '' ? "" : "?"+query), /[^-_.!~*'()a-zA-Z\d;\/?@&=+$,#]/) return JSON.parse(http.get(path, headers).body, symbolize_names: true) else return JSON.parse(http.post(path, queries.to_json, headers).body, symbolize_names: true) end end end def NCMB.initialize(params = {}) defaulted = { application_key: ENV["NCMB_APPLICATION_KEY"], client_key: ENV["NCMB_CLIENT_KEY"] } defaulted.merge!(params) @@client = Client.new(defaulted) end end