108 lines
3.7 KiB
C#
108 lines
3.7 KiB
C#
using System.Buffers.Text;
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using System.Dynamic;
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using System.Net.Http.Json;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.Json;
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using System.Text.Json.Nodes;
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using System.Text.Json.Serialization;
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using static System.Net.WebRequestMethods;
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namespace LiqPayIntegration
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{
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public class LiqPay
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{
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private readonly HttpClient _http;
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public const string API_URL = "https://www.liqpay.ua/api/request";
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public string PublicKey { get; private set; }
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public string PrivateKey { get; private set; }
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public string CallbackUrl { get; private set; }
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public LiqPay(string publicKey, string privateKey)
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{
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_http = new HttpClient();
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PublicKey = publicKey;
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PrivateKey = privateKey;
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}
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public LiqPay(string publicKey, string privateKey, string callbackUrl) : this (publicKey, privateKey)
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{
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CallbackUrl = callbackUrl;
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}
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public async ValueTask<PaymentResponse[]> PaymentArchive(DateTimeOffset from, DateTimeOffset to)
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{
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var json = JsonContent.Create(new
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{
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action = "reports",
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version = 3,
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public_key = PublicKey,
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date_from = from.ToUnixTimeMilliseconds(),
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date_to = to.ToUnixTimeMilliseconds(),
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//server_url = CallbackUrl
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/*date_from = (long)from.Subtract(new DateTime(1970, 1, 1)).TotalMilliseconds,
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date_to = (long)to.Subtract(new DateTime(1970, 1, 1)).TotalMilliseconds*/
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});
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var data = Convert.ToBase64String(await json.ReadAsByteArrayAsync());
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var signString = PrivateKey + data + PrivateKey;
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var signature = Convert.ToBase64String(SHA1.HashData(Encoding.UTF8.GetBytes(signString)));
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var requestContent = new FormUrlEncodedContent(new[] {
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new KeyValuePair<string, string>("data", data),
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new KeyValuePair<string, string>("signature", signature)
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});
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var response = await _http.PostAsync(API_URL, requestContent);
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var rawResponse = await response.Content.ReadAsStringAsync();
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var jsonResponse = JsonNode.Parse(rawResponse);
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if (jsonResponse["result"] == null)
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throw new NullReferenceException("jsonResponse[\"result\"]");
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var result = jsonResponse["result"].Deserialize<string>();
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if (result != "success")
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throw new Exception("result isn't success");
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var paymentResponses = jsonResponse["data"].Deserialize<PaymentResponse[]>();
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return paymentResponses;
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}
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public async ValueTask<(string data, string signature)> GetCheckout(double amount, string description, string order_id)
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{
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var json = JsonContent.Create(new
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{
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action = "pay",
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version = 3,
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public_key = PublicKey,
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amount = amount,
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currency = "UAH",
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description = description,
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order_id = order_id,
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server_url = CallbackUrl
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});
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var data = Convert.ToBase64String(await json.ReadAsByteArrayAsync());
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var signString = PrivateKey + data + PrivateKey;
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var signature = Convert.ToBase64String(SHA1.HashData(Encoding.UTF8.GetBytes(signString)));
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return (data, signature);
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}
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public string GetPaymentUrl(string data, string signature)
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{
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return "https://www.liqpay.ua/api/3/checkout?data=" + data + "&signature=" + signature;
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}
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public async ValueTask<string> GetPaymentUrl(double amount, string description, string order_id)
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{
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var vars = await GetCheckout(amount, description, order_id);
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return "https://www.liqpay.ua/api/3/checkout?data=" + vars.data + "&signature=" + vars.signature;
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}
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/*public async void ReceiptOfReceipt(string orderId, string email)
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{
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var json = JsonContent.Create(new
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{
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action = "reports",
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version = 3,
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public_key = PublicKey,
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date_from = (long)from.Subtract(new DateTime(1970, 1, 1)).TotalMilliseconds,
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date_to = (long)to.Subtract(new DateTime(1970, 1, 1)).TotalMilliseconds
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});
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}*/
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}
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} |