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Update JsonWebToken to enable extensibility #2582

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merged 4 commits into from
May 15, 2024
Merged

Update JsonWebToken to enable extensibility #2582

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6100ea7
Extract token reading code into a separate ReadPropertyValue.
pmaytak May 4, 2024
8c226a3
Rename. Use IDictionary.
pmaytak May 9, 2024
9bdab59
Merge remote-tracking branch 'origin/dev' into pmaytak/jwt-ext
pmaytak May 14, 2024
681845f
Add a test. Add JsonWebTokens InternalsVisibleTo for tests.
pmaytak May 14, 2024
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137 changes: 71 additions & 66 deletions src/Microsoft.IdentityModel.JsonWebTokens/Json/JsonWebToken.PayloadClaimSet.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ internal JsonClaimSet CreatePayloadClaimSet(byte[] bytes, int length)
}

internal JsonClaimSet CreatePayloadClaimSet(ReadOnlySpan<byte> byteSpan)
{
{
Utf8JsonReader reader = new(byteSpan);
if (!JsonSerializerPrimitives.IsReaderAtTokenType(ref reader, JsonTokenType.StartObject, true))
throw LogHelper.LogExceptionMessage(
Expand All @@ -37,71 +37,7 @@ internal JsonClaimSet CreatePayloadClaimSet(ReadOnlySpan<byte> byteSpan)
{
if (reader.TokenType == JsonTokenType.PropertyName)
{
if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Aud))
{
_audiences = [];
reader.Read();
if (reader.TokenType == JsonTokenType.StartArray)
{
JsonSerializerPrimitives.ReadStringsSkipNulls(ref reader, _audiences, JwtRegisteredClaimNames.Aud, ClassName);
claims[JwtRegisteredClaimNames.Aud] = _audiences;
}
else
{
if (reader.TokenType != JsonTokenType.Null)
{
_audiences.Add(JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Aud, ClassName));
claims[JwtRegisteredClaimNames.Aud] = _audiences[0];
}
else
{
claims[JwtRegisteredClaimNames.Aud] = _audiences;
}
}
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Azp))
{
_azp = JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Azp, ClassName, true);
claims[JwtRegisteredClaimNames.Azp] = _azp;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Exp))
{
_exp = JsonSerializerPrimitives.ReadLong(ref reader, JwtRegisteredClaimNames.Exp, ClassName, true);
_expDateTime = EpochTime.DateTime(_exp.Value);
claims[JwtRegisteredClaimNames.Exp] = _exp;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Iat))
{
_iat = JsonSerializerPrimitives.ReadLong(ref reader, JwtRegisteredClaimNames.Iat, ClassName, true);
_iatDateTime = EpochTime.DateTime(_iat.Value);
claims[JwtRegisteredClaimNames.Iat] = _iat;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Iss))
{
_iss = JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Iss, ClassName, true);
claims[JwtRegisteredClaimNames.Iss] = _iss;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Jti))
{
_jti = JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Jti, ClassName, true);
claims[JwtRegisteredClaimNames.Jti] = _jti;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Nbf))
{
_nbf = JsonSerializerPrimitives.ReadLong(ref reader, JwtRegisteredClaimNames.Nbf, ClassName, true);
_nbfDateTime = EpochTime.DateTime(_nbf.Value);
claims[JwtRegisteredClaimNames.Nbf] = _nbf;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Sub))
{
_sub = JsonSerializerPrimitives.ReadStringOrNumberAsString(ref reader, JwtRegisteredClaimNames.Sub, ClassName, true);
claims[JwtRegisteredClaimNames.Sub] = _sub;
}
else
{
string propertyName = reader.GetString();
claims[propertyName] = JsonSerializerPrimitives.ReadPropertyValueAsObject(ref reader, propertyName, JsonClaimSet.ClassName, true);
}
ReadPayloadValue(ref reader, claims);
}
// We read a JsonTokenType.StartObject above, exiting and positioning reader at next token.
else if (JsonSerializerPrimitives.IsReaderAtTokenType(ref reader, JsonTokenType.EndObject, false))
Expand All @@ -112,5 +48,74 @@ internal JsonClaimSet CreatePayloadClaimSet(ReadOnlySpan<byte> byteSpan)

return new JsonClaimSet(claims);
}

private protected virtual void ReadPayloadValue(ref Utf8JsonReader reader, IDictionary<string, object> claims)
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{
if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Aud))
{
_audiences = [];
reader.Read();
if (reader.TokenType == JsonTokenType.StartArray)
{
JsonSerializerPrimitives.ReadStringsSkipNulls(ref reader, _audiences, JwtRegisteredClaimNames.Aud, ClassName);
claims[JwtRegisteredClaimNames.Aud] = _audiences;
}
else
{
if (reader.TokenType != JsonTokenType.Null)
{
_audiences.Add(JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Aud, ClassName));
claims[JwtRegisteredClaimNames.Aud] = _audiences[0];
}
else
{
claims[JwtRegisteredClaimNames.Aud] = _audiences;
}
}
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Azp))
{
_azp = JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Azp, ClassName, true);
claims[JwtRegisteredClaimNames.Azp] = _azp;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Exp))
{
_exp = JsonSerializerPrimitives.ReadLong(ref reader, JwtRegisteredClaimNames.Exp, ClassName, true);
_expDateTime = EpochTime.DateTime(_exp.Value);
claims[JwtRegisteredClaimNames.Exp] = _exp;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Iat))
{
_iat = JsonSerializerPrimitives.ReadLong(ref reader, JwtRegisteredClaimNames.Iat, ClassName, true);
_iatDateTime = EpochTime.DateTime(_iat.Value);
claims[JwtRegisteredClaimNames.Iat] = _iat;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Iss))
{
_iss = JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Iss, ClassName, true);
claims[JwtRegisteredClaimNames.Iss] = _iss;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Jti))
{
_jti = JsonSerializerPrimitives.ReadString(ref reader, JwtRegisteredClaimNames.Jti, ClassName, true);
claims[JwtRegisteredClaimNames.Jti] = _jti;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Nbf))
{
_nbf = JsonSerializerPrimitives.ReadLong(ref reader, JwtRegisteredClaimNames.Nbf, ClassName, true);
_nbfDateTime = EpochTime.DateTime(_nbf.Value);
claims[JwtRegisteredClaimNames.Nbf] = _nbf;
}
else if (reader.ValueTextEquals(JwtPayloadUtf8Bytes.Sub))
{
_sub = JsonSerializerPrimitives.ReadStringOrNumberAsString(ref reader, JwtRegisteredClaimNames.Sub, ClassName, true);
claims[JwtRegisteredClaimNames.Sub] = _sub;
}
else
{
string propertyName = reader.GetString();
claims[propertyName] = JsonSerializerPrimitives.ReadPropertyValueAsObject(ref reader, propertyName, JsonClaimSet.ClassName, true);
}
}
}
}
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