128 lines
4.0 KiB
C#
128 lines
4.0 KiB
C#
using System.Net;
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namespace SimpleHttpServer;
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public class RequestContext : IDisposable {
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public HttpListenerContext ListenerContext { get; }
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private StreamReader? reqReader;
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public StreamReader ReqReader => reqReader ??= new(ListenerContext.Request.InputStream);
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private StreamWriter? respWriter;
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public StreamWriter RespWriter => respWriter ??= new(ListenerContext.Response.OutputStream) { NewLine = "\n" };
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public RequestContext(HttpListenerContext listenerContext) {
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ListenerContext = listenerContext;
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}
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public async Task WriteLineToRespAsync(string resp) => await RespWriter.WriteLineAsync(resp);
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public async Task WriteToRespAsync(string resp) => await RespWriter.WriteAsync(resp);
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public void SetStatusCode(int status) {
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ListenerContext.Response.StatusCode = status;
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ListenerContext.Response.StatusDescription = GetDescriptionFromStatusCode(status);
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}
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public void SetStatusCode(HttpStatusCode status) => SetStatusCode((int) status);
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public void SetStatusCodeAndDispose(int status) {
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using (this)
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SetStatusCode(status);
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}
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public void SetStatusCodeAndDispose(HttpStatusCode status) {
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using (this)
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SetStatusCode((int) status);
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}
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public void SetStatusCodeAndDispose(int status, string description) {
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using (this) {
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ListenerContext.Response.StatusCode = status;
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ListenerContext.Response.StatusDescription = description;
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}
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}
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public void SetStatusCodeAndDispose(HttpStatusCode status, string description) => SetStatusCodeAndDispose((int) status, description);
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void IDisposable.Dispose() {
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reqReader?.Dispose();
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respWriter?.Dispose();
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GC.SuppressFinalize(this);
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}
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// src: https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
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private static string GetDescriptionFromStatusCode(int status) => status switch {
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100 => "Continue",
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101 => "Switching Protocols",
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102 => "Processing",
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103 => "Early Hints",
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200 => "OK",
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201 => "Created",
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202 => "Accepted",
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203 => "Non-Authoritative Information",
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204 => "No Content",
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205 => "Reset Content",
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206 => "Partial Content",
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207 => "Multi-Status",
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208 => "Already Reported",
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226 => "IM Used",
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300 => "Multiple Choices",
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301 => "Moved Permanently",
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302 => "Found",
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303 => "See Other",
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304 => "Not Modified",
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305 => "Use Proxy",
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306 => "Switch Proxy",
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307 => "Temporary Redirect",
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308 => "Permanent Redirect",
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400 => "Bad Request",
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401 => "Unauthorized",
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402 => "Payment Required",
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403 => "Forbidden",
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404 => "Not Found",
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405 => "Method Not Allowed",
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406 => "Not Acceptable",
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407 => "Proxy Authentication Required",
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408 => "Request Timeout",
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409 => "Conflict",
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410 => "Gone",
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411 => "Length Required",
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412 => "Precondition Failed",
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413 => "Payload Too Large",
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414 => "URI Too Long",
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415 => "Unsupported Media Type",
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416 => "Range Not Satisfiable",
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417 => "Expectation Failed",
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421 => "Misdirected Request",
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422 => "Unprocessable Content",
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423 => "Locked",
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424 => "Failed Dependency",
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425 => "Too Early",
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426 => "Upgrade Required",
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428 => "Precondition Required",
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429 => "Too Many Requests",
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431 => "Request Header Fields Too Large",
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451 => "Unavailable For Legal Reasons",
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500 => "Internal Server Error",
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501 => "Not Implemented",
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502 => "Bad Gateway",
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503 => "Service Unavailable",
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504 => "Gateway Timeout",
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505 => "HTTP Version Not Supported",
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506 => "Variant Also Negotiates",
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507 => "Insufficient Storage",
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508 => "Loop Detected",
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510 => "Not Extended",
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511 => "Network Authentication Required",
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_ => "Unknown",
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};
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}
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