public bool TryValidate(JwtHeaderDocument header, JwtPayloadDocument payload, [NotNullWhen(false)] out TokenValidationError?error)
{
if (header is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.header);
}
if (header.Alg.IsEmpty)
{
error = TokenValidationError.MissingHeader(JwtHeaderParameterNames.Alg.ToString());
return(false);
}
if (!header.Alg.ValueEquals(_algorithm))
{
error = TokenValidationError.InvalidHeader(JwtHeaderParameterNames.Alg.ToString());
return(false);
}
#if NET5_0_OR_GREATER
Unsafe.SkipInit(out error);
#else
error = default;
#endif
return(true);
}
/// <summary>Try to validate the token header, according to the <paramref name="header"/>.</summary>
/// <returns><c>true</c> if the <paramref name="header"/> is valid. <c>false</c> otherwise.</returns>
public bool TryValidateHeader(JwtHeaderDocument header, [NotNullWhen(false)] out TokenValidationError?error)
{
if (!IgnoreCriticalHeader)
{
if (!header.Crit.IsEmpty)
{
var handlers = CriticalHandlers;
foreach (var critHeader in header.Crit.EnumerateArray <string>())
{
var critHeaderName = critHeader.GetString() !;
if (!handlers.TryGetValue(critHeaderName, out var handler))
{
error = TokenValidationError.CriticalHeaderUnsupported(critHeaderName);
goto Error;
}
if (!handler.TryHandle(header, critHeaderName))
{
error = TokenValidationError.InvalidHeader(critHeaderName);
goto Error;
}
}
}
}
error = null;
return(true);
Error:
return(false);
}
public bool TryValidate(JwtHeaderDocument header, JwtPayloadDocument payload, [NotNullWhen(false)] out TokenValidationError?error)
{
if (header is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.header);
}
if (header.Alg.IsEmpty)
{
error = TokenValidationError.MissingHeader(JwtHeaderParameterNames.Alg.ToString());
return(false);
}
if (!header.Alg.ValueEquals(_algorithm))
{
error = TokenValidationError.InvalidHeader(JwtHeaderParameterNames.Alg.ToString());
return(false);
}
error = null;
return(true);
}