Move file

2024-07-19 03:28:56 +02:00
parent cdab5151be
commit fa79134d02
1 changed files with 1 additions and 1 deletions
@@ -0,0 +1,148 @@
+using System.Collections.ObjectModel;
+using System.Net;
+
+namespace SimpleHttpServer.Types;
+public class RequestContext : IDisposable {
+
+    public HttpListenerContext ListenerContext { get; }
+    public ReadOnlyDictionary<string, string> ParsedParameters { get; internal set; }
+
+    private TextReader? reqReader;
+    /// <summary>
+    /// THREADSAFE
+    /// </summary>
+    public TextReader ReqReader => reqReader ??= TextReader.Synchronized(new StreamReader(ListenerContext.Request.InputStream));
+
+    private TextWriter? respWriter;
+    /// <summary>
+    /// THREADSAFE
+    /// </summary>
+    public TextWriter RespWriter => respWriter ??= TextWriter.Synchronized(new StreamWriter(ListenerContext.Response.OutputStream) { NewLine = "\n" });
+
+    public RequestContext(HttpListenerContext listenerContext) {
+        ListenerContext = listenerContext;
+    }
+
+    public async Task WriteLineToRespAsync(string resp) => await RespWriter.WriteLineAsync(resp);
+    public async Task WriteToRespAsync(string resp) => await RespWriter.WriteAsync(resp);
+
+    public void SetStatusCode(int status) {
+        ListenerContext.Response.StatusCode = status;
+        ListenerContext.Response.StatusDescription = GetDescriptionFromStatusCode(status);
+    }
+
+    public void SetStatusCode(HttpStatusCode status) => SetStatusCode((int) status);
+
+    public async Task SetStatusCodeAndDisposeAsync(int status) {
+        using (this) {
+            SetStatusCode(status);
+            await WriteToRespAsync("\n\n");
+            await RespWriter.FlushAsync();
+        }
+    }
+
+    public async Task SetStatusCodeAndDisposeAsync(HttpStatusCode status) {
+        using (this) {
+            SetStatusCode((int) status);
+            await WriteToRespAsync("\n\n");
+            await RespWriter.FlushAsync();
+        }
+    }
+
+
+    public async Task SetStatusCodeAndDisposeAsync(int status, string description) {
+        using (this) {
+            ListenerContext.Response.StatusCode = status;
+            ListenerContext.Response.StatusDescription = description;
+            await WriteToRespAsync("\n\n");
+            await RespWriter.FlushAsync();
+        }
+    }
+    public async Task SetStatusCodeAndDisposeAsync(HttpStatusCode status, string description) => await SetStatusCodeAndDisposeAsync((int) status, description);
+
+
+    public async Task WriteRedirect302AndDisposeAsync(string url) {
+        ListenerContext.Response.AddHeader("Location", url);
+        await SetStatusCodeAndDisposeAsync(HttpStatusCode.Redirect);
+    }
+
+    public void Dispose() {
+        reqReader?.Dispose();
+        respWriter?.Dispose();
+        GC.SuppressFinalize(this);
+    }
+
+
+    // src: https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
+    private static string GetDescriptionFromStatusCode(int status) => status switch {
+        100 => "Continue",
+        101 => "Switching Protocols",
+        102 => "Processing",
+        103 => "Early Hints",
+
+        200 => "OK",
+        201 => "Created",
+        202 => "Accepted",
+        203 => "Non-Authoritative Information",
+        204 => "No Content",
+
+        205 => "Reset Content",
+        206 => "Partial Content",
+        207 => "Multi-Status",
+        208 => "Already Reported",
+        226 => "IM Used",
+
+        300 => "Multiple Choices",
+        301 => "Moved Permanently",
+        302 => "Found",
+        303 => "See Other",
+        304 => "Not Modified",
+        305 => "Use Proxy",
+        306 => "Switch Proxy",
+        307 => "Temporary Redirect",
+        308 => "Permanent Redirect",
+
+        400 => "Bad Request",
+        401 => "Unauthorized",
+        402 => "Payment Required",
+        403 => "Forbidden",
+        404 => "Not Found",
+        405 => "Method Not Allowed",
+        406 => "Not Acceptable",
+        407 => "Proxy Authentication Required",
+        408 => "Request Timeout",
+        409 => "Conflict",
+        410 => "Gone",
+        411 => "Length Required",
+        412 => "Precondition Failed",
+        413 => "Payload Too Large",
+        414 => "URI Too Long",
+        415 => "Unsupported Media Type",
+        416 => "Range Not Satisfiable",
+        417 => "Expectation Failed",
+        421 => "Misdirected Request",
+        422 => "Unprocessable Content",
+        423 => "Locked",
+        424 => "Failed Dependency",
+        425 => "Too Early",
+        426 => "Upgrade Required",
+        428 => "Precondition Required",
+        429 => "Too Many Requests",
+        431 => "Request Header Fields Too Large",
+        451 => "Unavailable For Legal Reasons",
+
+        500 => "Internal Server Error",
+        501 => "Not Implemented",
+        502 => "Bad Gateway",
+        503 => "Service Unavailable",
+        504 => "Gateway Timeout",
+        505 => "HTTP Version Not Supported",
+        506 => "Variant Also Negotiates",
+        507 => "Insufficient Storage",
+        508 => "Loop Detected",
+        510 => "Not Extended",
+        511 => "Network Authentication Required",
+
+        _ => "Unknown",
+    };
+}