28 lines
1 KiB
C#
28 lines
1 KiB
C#
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using System.Buffers;
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using System.Buffers.Text;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace IdentityShroud.Core.Helpers;
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public class Base64UrlConverter : JsonConverter<byte[]>
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{
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public override byte[] Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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// GetValueSpan gives you the raw UTF-8 bytes of the JSON string value
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if (reader.HasValueSequence)
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{
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var valueSequence = reader.ValueSequence.ToArray();
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return Base64Url.DecodeFromUtf8(valueSequence);
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}
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return Base64Url.DecodeFromUtf8(reader.ValueSpan);
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}
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public override void Write(Utf8JsonWriter writer, byte[] value, JsonSerializerOptions options)
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{
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int encodedLength = Base64Url.GetEncodedLength(value.Length);
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Span<byte> buffer = encodedLength <= 256 ? stackalloc byte[encodedLength] : new byte[encodedLength];
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Base64Url.EncodeToUtf8(value, buffer);
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writer.WriteStringValue(buffer);
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}
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}
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