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Merge pull request 'Refactored PayfastService.GenerateSignature()' (#104) from payments into master

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Reviewed-on: #104
This commit was merged in pull request #104.
This commit is contained in:
Khwezi Mngoma
2026-06-12 23:27:21 +02:00
parent ef2428f8e3 7d2bc7f1f2
commit 2ed15b548f
1 changed files with 7 additions and 4 deletions
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LiteCharms.Features.MidrandBooks/Payments/PayfastService.cs
+7 -4
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@@ -157,9 +157,11 @@ public sealed partial class PayfastService(IDbContextFactory<MidrandBooksDbConte
string key = kvp.Key; string key = kvp.Key;
string encodedVal = Uri.EscapeDataString(kvp.Value.Trim()); // 1. Payfast requires spaces to be '+' signs. HttpUtility does this perfectly.
string encodedVal = HttpUtility.UrlEncode(kvp.Value.Trim());
string val = PercentEncodingRegex.Replace(encodedVal, m => m.Value.ToLowerInvariant()); // 2. Payfast requires all OTHER percent-encoded hex arrays to be UPPERCASE (e.g., %3A instead of %3a)
string val = Regex.Replace(encodedVal, "%[0-9A-Fa-f]{2}", m => m.Value.ToUpperInvariant());
pfOutput.Append($"{key}={val}&"); pfOutput.Append($"{key}={val}&");
} }
@@ -170,8 +172,9 @@ public sealed partial class PayfastService(IDbContextFactory<MidrandBooksDbConte
if (!string.IsNullOrWhiteSpace(passPhrase)) if (!string.IsNullOrWhiteSpace(passPhrase))
{ {
string encodedPassphrase = Uri.EscapeDataString(passPhrase.Trim()); // Apply the exact same encoding rule to your passphrase
string safePassphrase = PercentEncodingRegex.Replace(encodedPassphrase, m => m.Value.ToLowerInvariant()); string encodedPassphrase = HttpUtility.UrlEncode(passPhrase.Trim());
string safePassphrase = Regex.Replace(encodedPassphrase, "%[0-9A-Fa-f]{2}", m => m.Value.ToUpperInvariant());
getString += $"&passphrase={safePassphrase}"; getString += $"&passphrase={safePassphrase}";
} }