public static IHttp2Headers ToHttp2Headers(HttpHeaders inHeaders, bool validateHeaders)
{
if (inHeaders.IsEmpty)
{
return(EmptyHttp2Headers.Instance);
}
var output = new DefaultHttp2Headers(validateHeaders, inHeaders.Size);
ToHttp2Headers(inHeaders, output);
return(output);
}
/// <summary>
/// Converts the given HTTP/1.x headers into HTTP/2 headers.
/// The following headers are only used if they can not be found in from the <c>HOST</c> header or the
/// <c>Request-Line</c> as defined by <a href="https://tools.ietf.org/html/rfc7230">rfc7230</a>
/// <para><see cref="ExtensionHeaderNames.Scheme"/></para>
/// <see cref="ExtensionHeaderNames.Path"/> is ignored and instead extracted from the <c>Request-Line</c>.
/// </summary>
/// <param name="input"></param>
/// <param name="validateHeaders"></param>
/// <returns></returns>
public static IHttp2Headers ToHttp2Headers(IHttpMessage input, bool validateHeaders)
{
HttpHeaders inHeaders = input.Headers;
IHttp2Headers output = new DefaultHttp2Headers(validateHeaders, inHeaders.Size);
if (input is IHttpRequest request)
{
output.Method = request.Method.AsciiName;
// TODO java.net.URI isOriginForm isAsteriskForm
if (Uri.TryCreate(request.Uri, UriKind.Absolute, out var requestTargetUri) && !requestTargetUri.IsFile) // .NETCore 非Windows系统，会把 '/' 打头的相对 url 默认为 UnixFileUri
{
output.Path = ToHttp2Path(requestTargetUri);
SetHttp2Scheme(inHeaders, requestTargetUri, output);
_ = requestTargetUri.Authority;
// Attempt to take from HOST header before taking from the request-line
var host = inHeaders.GetAsString(HttpHeaderNames.Host);
SetHttp2Authority(string.IsNullOrEmpty(host) ? requestTargetUri.Authority : host, output);
}
else
{
output.Path = new AsciiString(request.Uri);
// Consume the Scheme extension header if present
if (inHeaders.TryGet(ExtensionHeaderNames.Scheme, out var cValue))
{
output.Scheme = AsciiString.Of(cValue);
}
if (output.Scheme is null)
{
ThrowHelper.ThrowArgumentException_SchemeMustBeSpecified();
}
var host = inHeaders.GetAsString(HttpHeaderNames.Host);
SetHttp2Authority(host, output);
}
}
else if (input is IHttpResponse response)
{
output.Status = response.Status.CodeAsText;
}
// Add the HTTP headers which have not been consumed above
ToHttp2Headers(inHeaders, output);
return(output);
}