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Added payment gateway ledger service to payments feature

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This commit is contained in:
Khwezi Mngoma
2026-06-02 23:44:45 +02:00
parent 5ab2d29aac
commit 0ed04211bf
30 changed files with 3420 additions and 256 deletions
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LiteCharms.Features/Hasher/HashService.cs
+1 -43
View File
@@ -1,13 +1,9 @@
using LiteCharms.Features.Abstractions;
using LiteCharms.Features.Hasher.Configuration;
using LiteCharms.Features.Models;
namespace LiteCharms.Features.Hasher;
public sealed partial class HashService(IHashids hasher, IOptions<HasherSettings> options) : IService
public sealed partial class HashService(IHashids hasher) : IService
{
private readonly HasherSettings settings = options.Value;
[GeneratedRegex(@"\A\b[0-9a-fA-F]+\b\Z")]
private static partial Regex HexHashRegex { get; }
@@ -41,44 +37,6 @@ public sealed partial class HashService(IHashids hasher, IOptions<HasherSettings
return Result.Ok(Convert.ToHexString(bytes).ToLowerInvariant());
}
public Result<bool> VerifyPayfastWebhookSignature(PayfastWebhookPayload payload, string incomingSignature)
{
try
{
if (string.IsNullOrWhiteSpace(incomingSignature))
return Result.Fail<bool>("Validation failed: Missing signature string parameter.");
var parameters = new List<string>();
if (!string.IsNullOrWhiteSpace(payload.Amount))
parameters.Add($"amount={WebUtility.UrlEncode(payload.Amount)}");
if (!string.IsNullOrWhiteSpace(payload.ItemName))
parameters.Add($"item_name={WebUtility.UrlEncode(payload.ItemName)}");
if (!string.IsNullOrWhiteSpace(payload.MPaymentId))
parameters.Add($"m_payment_id={WebUtility.UrlEncode(payload.MPaymentId)}");
string signatureString = string.Join("&", parameters);
if (!string.IsNullOrWhiteSpace(settings.PayfastPassphrase))
signatureString += $"&passphrase={WebUtility.UrlEncode(settings.PayfastPassphrase)}";
var localHashResult = ToMd5Hash(signatureString);
if (!localHashResult.IsSuccess)
return Result.Fail<bool>(localHashResult.Errors);
bool isValid = string.Equals(localHashResult.Value, incomingSignature, StringComparison.OrdinalIgnoreCase);
return Result.Ok(isValid);
}
catch (Exception ex)
{
return Result.Fail<bool>(new Error("An error occurred during Payfast MD5 verification.").CausedBy(ex));
}
}
public Result<string> HashEncodeHex(string input) => string.IsNullOrWhiteSpace(input) || !HexHashRegex.IsMatch(input)
? Result.Fail<string>("Input must be a valid hexadecimal string.")
: Result.Ok(hasher.EncodeHex(input));