module WechatPayment::Sign
Constants
- SIGN_TYPE_HMAC_SHA256
- SIGN_TYPE_MD5
Public Class Methods
generate(params, sign_type = SIGN_TYPE_MD5)
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# File lib/wechat_payment/sign.rb, line 9 def self.generate(params, sign_type = SIGN_TYPE_MD5) key = params.delete(:key) new_key = params["key"] #after key = params.delete("key") if params["key"] #after query = params.sort.map do |k, v| "#{k}=#{v}" if v.to_s != '' end.compact.join('&') string_sign_temp = "#{query}&key=#{key || new_key || WechatPayment.key}" #after if sign_type == SIGN_TYPE_MD5 Digest::MD5.hexdigest(string_sign_temp).upcase elsif sign_type == SIGN_TYPE_HMAC_SHA256 OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), key, string_sign_temp).upcase else warn("WxPay Warn: unknown sign_type : #{sign_type}") end end
verify?(params, options = {})
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# File lib/wechat_payment/sign.rb, line 30 def self.verify?(params, options = {}) params = params.dup params["appid"] = options[:appid] if options[:appid] params["mch_id"] = options[:mch_id] if options[:mch_id] params["key"] = options[:key] if options[:key] sign = params.delete('sign') || params.delete(:sign) generate(params, options[:sign_type] || SIGN_TYPE_MD5) == sign end