/// <summary>Returns a new instance of <see cref="Jwks"/>.</summary>
/// <param name="issuer">The issuer of the keys.</param>
/// <param name="json">a string that contains JSON Web Key parameters in JSON format.</param>
public static Jwks FromJson(string issuer, ReadOnlySpan <byte> json)
{
// a JWKS is :
// {
// "keys": [
// { jwk1 },
// { jwk2 },
// ...
// ]
// }
var jwks = new Jwks(issuer);
var reader = new Utf8JsonReader(json, true, default);
if (reader.Read() && reader.TokenType is JsonTokenType.StartObject && reader.Read())
{
while (reader.TokenType is JsonTokenType.PropertyName)
{
var propertyName = reader.ValueSpan;
if (propertyName.Length == 4)
{
ref byte propertyNameRef = ref MemoryMarshal.GetReference(propertyName);
if (IntegerMarshal.ReadUInt32(ref propertyNameRef) == keys /* keys */)
{
if (reader.Read() && reader.TokenType is JsonTokenType.StartArray)
{
while (reader.Read() && reader.TokenType is JsonTokenType.StartObject)
{
Jwk jwk = Jwk.FromJsonReader(ref reader);
jwks.Add(jwk);
}
if (!(reader.TokenType is JsonTokenType.EndArray) || !reader.Read())
{
ThrowHelper.ThrowInvalidOperationException_MalformedJwks();
}
}
continue;
}
}
reader.Read();
if (reader.TokenType >= JsonTokenType.String && reader.TokenType <= JsonTokenType.Null)
{
reader.Read();
}
else if (reader.TokenType == JsonTokenType.StartObject)
{
JsonParser.ConsumeJsonObject(ref reader);
}
else if (reader.TokenType == JsonTokenType.StartArray)
{
JsonParser.ConsumeJsonArray(ref reader);
}
else
{
ThrowHelper.ThrowInvalidOperationException_MalformedJwks();
}
}
}
/// <summary>
/// Returns a new instance of <see cref="Jwks"/>.
/// </summary>
/// <param name="json">a string that contains JSON Web Key parameters in JSON format.</param>
/// <returns><see cref="Jwks"/></returns>
public static Jwks FromJson(ReadOnlySpan <byte> json)
{
// a JWKS is :
// {
// "keys": [
// { jwk1 },
// { jwk2 },
// ...
// ]
// }
var jwks = new Jwks();
var reader = new Utf8JsonReader(json, true, default);
if (reader.Read() &&
reader.TokenType is JsonTokenType.StartObject &&
reader.Read() &&
reader.TokenType is JsonTokenType.PropertyName)
{
var propertyName = reader.ValueSpan /* reader.HasValueSequence ? reader.ValueSequence.ToArray() : reader.ValueSpan */;
if (propertyName.Length == 4)
{
ref byte propertyNameRef = ref MemoryMarshal.GetReference(propertyName);
if (IntegerMarshal.ReadUInt32(ref propertyNameRef) == keys /* keys */)
{
if (reader.Read() && reader.TokenType is JsonTokenType.StartArray)
{
while (reader.Read() && reader.TokenType is JsonTokenType.StartObject)
{
Jwk jwk = Jwk.FromJsonReader(ref reader);
jwks.Add(jwk);
}
if (!(reader.TokenType is JsonTokenType.EndArray) || !reader.Read())
{
ThrowHelper.ThrowInvalidOperationException_MalformedJwks();
}
}
}
}
}
