tesyyyyy, C# - rextester

tesyyyyy

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json;
namespace ServiceCard
{
    /// <summary>
    /// Khởi tạo biến chứa các giá trị gửi đi và nhận về
    /// </summary>
    public partial class cardObj
    {
        #region Khai báo dữ liệu chuyển lên service
        private string key; // loại thẻ
        private string code; // số thẻ
        private string serial; // mã thẻ
        private string request_id; // khởi tạo khi request lên service, đối tượng là duy nhất
        private string partnerID; // tên ID card24h cấp
        private string partnerKey; // password card24h cấp
        private string checksum; // đối tượng là duy nhất, dùng để check giao dịch khi có khiếu nại
        public string Key
        {
            get { return key; }
            set { key = value; }
        }
        public string Code
        {
            get { return code; }
            set { code = value; }
        }
        public string Serial
        {
            get { return serial; }
            set { serial = value; }
        }
        public string Request_id
        {
            get { return request_id; }
            set { request_id = value; }
        }
        public string PartnerID
        {
            get { return partnerID; }
            set { partnerID = value; }
        }
        public string PartnerKey
        {
            get { return partnerKey; }
            set { partnerKey = value; }
        }
        public string Checksum
        {
            get { return checksum; }
            set { checksum = value; }
        }
        #endregion

#region Khai báo dữ liệu trả về từ service
        private int status; // trạng thái trả về khi request lên service
        private string message;// Nội dung trả về từ service
        private int amount; // số tiền nạp thành công
        private string transid; // mã giao dịch bên card24h

public int Status
        {
            get { return status; }
            set { status = value; }
        }

public string Message
        {
            get { return message; }
            set { message = value; }
        }
        public int Amount
        {
            get { return amount; }
            set { amount = value; }
        }
        public string Transid
        {
            get { return transid; }
            set { transid = value; }
        }

#endregion

}

/// <summary>
    /// hảm xử lý get và post card từ service
    /// </summary>
    public class processCard
    {
        public cardObj PostCardToService(cardObj ca)
        {
            ca.Request_id = DateTime.Now.ToString("yyyyMMddHHmmssfff");
            ca.Checksum = GetMD5(ca.PartnerID + ca.Key + ca.Serial + ca.Request_id);
            ASCIIEncoding enCoding = new ASCIIEncoding();
            string postData = detectData(ca, "post");
            string URL = "http://doicard.vn/card_charging_api.html";
            byte[] data = enCoding.GetBytes(postData);

WebRequest request = WebRequest.Create(URL);
            request.Method = "POST";
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = data.Length;

Stream stream = request.GetRequestStream();
            stream.Write(data, 0, data.Length);
            stream.Close();

WebResponse response = request.GetResponse();
            stream = response.GetResponseStream();

using (StreamReader responseReader = new StreamReader(stream, Encoding.ASCII))
            {
                string sdata = responseReader.ReadToEnd();
                string res = Base64Decode(sdata);
                dynamic stuff = JsonConvert.DeserializeObject(res);
                cardObj ce = new cardObj();
                if (stuff.status != null)
                {
                    ce.Status = Convert.ToInt32(stuff.status.ToString());
                }
                if (stuff.message != null)
                {
                    ce.Message = stuff.message;
                }
                if (stuff.amount != null)
                {
                    ce.Amount = stuff.amount;
                }
                if (stuff.key != null)
                {
                    ce.Key = stuff.key;
                }
                if (stuff.serial != null)
                {
                    ce.Serial = stuff.serial;
                }
                if (stuff.code != null)
                {
                    ce.Code = stuff.code;
                }
                if (stuff.request_id != null)
                {
                    ce.Request_id = stuff.request_id;
                }
                if (stuff.transid != null)
                {
                    ce.Transid = stuff.transid;
                }
                return ce;

}
        }
        public cardObj GetListCardFromService(cardObj ca)
        {
            ASCIIEncoding enCoding = new ASCIIEncoding();
            string postdata = detectData(ca, "get");
            string URL = "http://doicard.vn/card_charging_api/get_card_keys.html";
            byte[] data = enCoding.GetBytes(postdata);

Stream stream = request.GetRequestStream();
            stream.Write(data, 0, data.Length);
            stream.Close();

WebResponse response = request.GetResponse();
            stream = response.GetResponseStream();

}
            
        }

public static string Base64Decode(string base64EncodedData)
        {
            var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
            return System.Text.Encoding.UTF8.GetString(base64EncodedBytes);
        }
        
        public static string GetMD5(string str)
        {
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();

byte[] bHash = md5.ComputeHash(Encoding.UTF8.GetBytes(str));

StringBuilder sbHash = new StringBuilder();

foreach (byte b in bHash)
            {
                sbHash.Append(String.Format("{0:x2}", b));
            }

return sbHash.ToString();
        }

public static string detectData(cardObj ca, string type)
        {
            string data = "";
            if (type == "get")
            {
                data = "PartnerID=" + ca.PartnerID + "&PartnerKey=" + ca.PartnerKey;
            }
            else if (type == "post")
            {
                data = "key=" + ca.Key + "&Code=" + ca.Code + "&serial=" + ca.Serial + "&request_id=" + ca.Request_id + "&PartnerID=" + ca.PartnerID + "&PartnerKey=" + ca.PartnerKey + "&checksum=" + ca.Checksum;
            }
            return data;
        }
        
    }
}


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