Merge branch 'master' of gitea.azcona-becker.net:alcetech/web-framework-dotnet

src/lib/MBS.Web/WebApplication.cs

@@ -8,6 +8,8 @@ namespace MBS.Web;
 public abstract class WebApplication : Application
 {
 	protected abstract int DefaultPort { get; }
+	public int Port { get { return WebServer.EndPoint.Port; } }
+	public WebServer WebServer { get; private set; }
 	
 	public string VirtualBasePath { get; set; } = "/";
 
@@ -40,21 +42,40 @@ public abstract class WebApplication : Application
 		return new WebServer(new IPEndPoint(IPAddress.Any, DefaultPort));
 	}
 
+	private bool shuttingDown = false;
+    protected override void StopInternal(int exitCode = 0)
+    {
+		shuttingDown = true;
+		if (!SupportEmbeddedHosting)
+		{
+			// we do not want to System.Environment.Exit() here
+			// if we are hosted in another process (e.g. for tests)
+			base.StopInternal(exitCode);
+		}
+    }
+
+	public bool SupportEmbeddedHosting { get; set; } = false;
+
     protected override void OnStartup(EventArgs e)
     {
         base.OnStartup(e);
 
-		WebServer server = CreateWebServer();
+		WebServer = CreateWebServer();
 		Console.WriteLine("attempting to start server listening on port {0}", DefaultPort);
 		
-		OnServerCreated(new WebServerCreatedEventArgs(server));
+		OnServerCreated(new WebServerCreatedEventArgs(WebServer));
-		server.ProcessRequest += server_OnProcessRequest;
+		WebServer.ProcessRequest += server_OnProcessRequest;
-		server.Start();
+		WebServer.Start();
 
-		while (true)
+		if (!SupportEmbeddedHosting)
+		{
+			while (!shuttingDown)
 			{
 				Thread.Sleep(50);
 			}
+
+			WebServer.Stop();
+		}
     }
 
     public virtual string ExpandRelativePath(string path)

src/lib/MBS.Web/WebRequest.cs

@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using System.Data.SqlTypes;
 using System.Net;
+using System.Text;
 using MBS.Core;
 
 namespace MBS.Web;
@@ -21,8 +22,9 @@ public class WebRequest
 	public WebHeaderCollection Headers { get; }
 
 	public ReadOnlyDictionary<string, string> Form { get; }
+    public string Content { get; }
 
-	public WebRequest(string version, string method, string path, WebHeaderCollection headers, Dictionary<string, string> pathVariables, Dictionary<string, string> form)
+	public WebRequest(string version, string method, string path, WebHeaderCollection headers, Dictionary<string, string> pathVariables)
 	{
 		Version = version;
 		Method = method;
@@ -67,9 +69,40 @@ public class WebRequest
 		}
 		Headers = headers;
 		PathVariables = pathVariables;
+	}
+	public WebRequest(string version, string method, string path, WebHeaderCollection headers, Dictionary<string, string> pathVariables, string content) : this(version, method, path, headers, pathVariables)
+	{
+		Content = content;
+		Form = ReadOnlyDictionary<string, string>.Empty;
+	}
+    public WebRequest(string version, string method, string path, WebHeaderCollection headers, Dictionary<string, string> pathVariables, Dictionary<string, string> form) : this(version, method, path, headers, pathVariables)
+	{
+		Content = UrlAndFormEncode(form);
 		Form = new ReadOnlyDictionary<string, string>(form);
 	}
 
+	private string UrlAndFormEncode(string v)
+	{
+		v = v.UrlEncode();
+		return v;
+	}
+    private string UrlAndFormEncode(IEnumerable<KeyValuePair<string, string>> v)
+    {
+		StringBuilder sb = new StringBuilder();
+		int i = 0;
+		foreach (KeyValuePair<string, string> kvp in v)
+		{
+			sb.Append(UrlAndFormEncode(kvp.Key));
+			sb.Append('=');
+			sb.Append(UrlAndFormEncode(kvp.Value));
+			if (i < v.Count())
+			{
+				sb.Append('&');
+			}
+			i++;
+		}
+		return sb.ToString();
+    }
     private string UrlAndFormDecode(string v)
     {
 		v = v.Replace('+', ' '); // must be done first to not decode '%..' => ' '

src/lib/MBS.Web/WebServer.cs

@@ -1,4 +1,5 @@
-using System.Net;
+using System.Diagnostics;
+using System.Net;
 using System.Net.Security;
 using System.Net.Sockets;
 using System.Security.Authentication;
@@ -257,6 +258,11 @@ public class WebServer
 		Dictionary<string, string> form = new Dictionary<string, string>();
 
 		string contentLength = headers["Content-Length"];
+		string contentType = headers["Content-Type"];
+
+		// I never thought I'd ever actually use this!
+		Union<string, Dictionary<string, string>> content;
+
 		if (contentLength != "")
 		{
 			int contentLengthInt = Int32.Parse(contentLength);
@@ -265,17 +271,25 @@ public class WebServer
 			char[] buffer = new char[contentLengthInt];
 			sr.ReadBlock(buffer, 0, contentLengthInt);
 
-			string content = new string(buffer);
+			string contentString = new string(buffer);
-			Console.Error.WriteLine(content);
+			Console.Error.WriteLine(contentString);
 
-			if (!String.IsNullOrEmpty(content))
+			if (!String.IsNullOrEmpty(contentString))
 			{
-				string[] kvps = content.Split(new char[] { '&' });
+				if (contentType == "application/x-www-form-urlencoded")
+				{
+					string[] kvps = contentString.Split(new char[] { '&' });
 					foreach (string kvp in kvps)
 					{
 						string[] pv = kvp.Split(new char[] { '=' });
 						form[pv[0].UrlDecode()] = pv[1].UrlDecode().Replace('+', ' ');
 					}
+					content = form;
+				}
+				else
+				{
+					content = contentString;
+				}
 			}
 		}
 
@@ -379,6 +393,35 @@ public class WebServer
 		{
 			// Console.WriteLine("Client connected");
 
+			if (Debugger.IsAttached)
+			{
+				// do not catch generic exceptions when running under a debugger
+				try
+				{
+					HandleClient(client);
+				}
+				catch (System.Net.Sockets.SocketException ex)
+				{
+					Console.Error.WriteLine("caught SocketException; ignoring");
+					Console.Error.WriteLine(ex.Message);
+				}
+				catch (System.IO.IOException ex)
+				{
+					Console.Error.WriteLine("caught IOException; ignoring");
+					Console.Error.WriteLine(ex.Message);
+				}
+				/*
+				catch (Exception ex)
+				{
+					Console.Error.WriteLine("caught exception of type {0}", ex.GetType().FullName);
+					Console.Error.WriteLine(ex.Message);
+					Console.Error.WriteLine(ex.StackTrace);
+				}
+				*/
+			}
+			else
+			{
+				// also catch generic exceptions if we are not debugging
 				try
 				{
 					HandleClient(client);
@@ -399,7 +442,7 @@ public class WebServer
 					Console.Error.WriteLine(ex.Message);
 					Console.Error.WriteLine(ex.StackTrace);
 				}
-
+			}
 			client.Close();
 		}
 	}