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Ooui-tws-port
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Support published regex urls

This commit is contained in:
Frank A. Krueger 2020-03-08 17:26:41 -07:00
parent ce22521c7b
commit 6914ccbc86
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GPG Key ID: 0471C67474FFE664
2 changed files with 151 additions and 30 deletions
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148
Ooui/UI.cs
View File

@ -7,6 +7,7 @@ using System.Threading;
using System.Threading.Tasks;
using System.Net;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
namespace Ooui
{
@ -18,8 +19,8 @@ namespace Ooui
static CancellationTokenSource serverCts;
static readonly Dictionary<string, RequestHandler> publishedPaths =
new Dictionary<string, RequestHandler> ();
static readonly Dictionary<string, PublishedPath> publishedPaths =
new Dictionary<string, PublishedPath> ();
static readonly byte[] clientJsBytes;
static readonly string clientJsEtag;
@ -88,16 +89,34 @@ namespace Ooui
clientJsEtag = "\"" + Utilities.GetShaHash (clientJsBytes) + "\"";
}
class PublishedPath
{
public string Path { get; }
public Regex RegexPath { get; }
public RequestHandler Handler { get; }
public PublishedPath (string path, RequestHandler handler)
{
Path = path;
RegexPath = new Regex (path);
Handler = handler;
}
}
static void Publish (string path, RequestHandler handler)
{
//Console.WriteLine ($"PUBLISH {path} {handler}");
lock (publishedPaths) publishedPaths[path] = handler;
lock (publishedPaths) publishedPaths[path] = new PublishedPath (path, handler);
Start ();
}
public static void Publish (string path, Func<UIContext, Element> elementCtor, bool disposeElementWhenDone = true)
{
Publish (path, new ElementHandler (elementCtor, disposeElementWhenDone));
}
public static void Publish (string path, Func<Element> elementCtor, bool disposeElementWhenDone = true)
{
Publish (path, new ElementHandler (elementCtor, disposeElementWhenDone));
Publish (path, new ElementHandler (_ => elementCtor (), disposeElementWhenDone));
}
public static void Publish (string path, Element element, bool disposeElementWhenDone = true)
@ -134,14 +153,14 @@ namespace Ooui
public static bool TryGetFileContentAtPath (string path, out FileContent file)
{
RequestHandler handler;
PublishedPath pp;
lock (publishedPaths) {
if (!publishedPaths.TryGetValue (path, out handler)) {
if (!publishedPaths.TryGetValue (path, out pp)) {
file = null;
return false;
}
}
if (handler is DataHandler dh) {
if (pp.Handler is DataHandler dh) {
file = new FileContent {
Etag = dh.Etag,
Content = dh.Data,
@ -161,6 +180,11 @@ namespace Ooui
}
public static void PublishJson (string path, Func<object> ctor)
{
Publish (path, new JsonHandler (_ => ctor ()));
}
public static void PublishJson (string path, Func<UIContext, object> ctor)
{
Publish (path, new JsonHandler (ctor));
}
@ -301,11 +325,30 @@ namespace Ooui
}
else {
var found = false;
RequestHandler handler;
lock (publishedPaths) found = publishedPaths.TryGetValue (path, out handler);
PublishedPath pp;
var variables = new Dictionary<string, string> ();
lock (publishedPaths) found = publishedPaths.TryGetValue (path, out pp);
if (!found) {
// Try regex
List<PublishedPath> pps;
lock (publishedPaths) pps = publishedPaths.Values.ToList();
foreach (var p in pps) {
var m = p.RegexPath.Match (path);
if (m.Success) {
pp = p;
found = true;
for (var ig = 1; ig < m.Groups.Count; ig++) {
variables[p.RegexPath.GroupNameFromNumber(ig)] = m.Groups[ig].Value;
}
break;
}
}
}
if (found) {
try {
handler.Respond (listenerContext, token);
var context = UIContext.ForListenerContext (listenerContext, variables);
pp.Handler.Respond (listenerContext, context, token);
}
catch (Exception ex) {
Error ("Handler failed to respond", ex);
@ -327,24 +370,24 @@ namespace Ooui
abstract class RequestHandler
{
public abstract void Respond (HttpListenerContext listenerContext, CancellationToken token);
public abstract void Respond (HttpListenerContext listenerContext, UIContext context, CancellationToken token);
}
class ElementHandler : RequestHandler
{
readonly Lazy<Element> element;
readonly Func<UIContext, Element> ctor;
public bool DisposeElementWhenDone { get; }
public ElementHandler (Func<Element> ctor, bool disposeElementWhenDone)
public ElementHandler (Func<UIContext, Element> ctor, bool disposeElementWhenDone)
{
element = new Lazy<Element> (ctor);
this.ctor = ctor;
DisposeElementWhenDone = disposeElementWhenDone;
}
public Element GetElement () => element.Value;
public Element GetElement (UIContext context) => ctor (context);
public override void Respond (HttpListenerContext listenerContext, CancellationToken token)
public override void Respond (HttpListenerContext listenerContext, UIContext context, CancellationToken token)
{
var url = listenerContext.Request.Url;
var path = url.LocalPath;
@ -422,7 +465,7 @@ namespace Ooui
this.contentType = contentType;
}
public override void Respond (HttpListenerContext listenerContext, CancellationToken token)
public override void Respond (HttpListenerContext listenerContext, UIContext context, CancellationToken token)
{
var url = listenerContext.Request.Url;
var path = url.LocalPath;
@ -451,9 +494,9 @@ namespace Ooui
{
public const string ContentType = "application/json; charset=utf-8";
readonly Func<object> ctor;
readonly Func<UIContext, object> ctor;
public JsonHandler (Func<object> ctor)
public JsonHandler (Func<UIContext, object> ctor)
{
this.ctor = ctor;
}
@ -465,11 +508,11 @@ namespace Ooui
return e.GetBytes (r);
}
public override void Respond (HttpListenerContext listenerContext, CancellationToken token)
public override void Respond (HttpListenerContext listenerContext, UIContext context, CancellationToken token)
{
var response = listenerContext.Response;
var data = GetData (ctor ());
var data = GetData (ctor (context));
response.StatusCode = 200;
response.ContentType = ContentType;
@ -491,7 +534,7 @@ namespace Ooui
this.responder = responder;
}
public override void Respond (HttpListenerContext listenerContext, CancellationToken token)
public override void Respond (HttpListenerContext listenerContext, UIContext context, CancellationToken token)
{
responder (listenerContext, token);
}
@ -505,10 +548,25 @@ namespace Ooui
var url = listenerContext.Request.Url;
var path = url.LocalPath;
RequestHandler handler;
PublishedPath pp;
var found = false;
lock (publishedPaths) found = publishedPaths.TryGetValue (path, out handler);
var elementHandler = handler as ElementHandler;
var variables = new Dictionary<string, string> ();
lock (publishedPaths) found = publishedPaths.TryGetValue (path, out pp);
if (!found) {
List<PublishedPath> pps;
lock (publishedPaths) pps = publishedPaths.Values.ToList ();
foreach (var p in pps) {
var m = p.RegexPath.Match (path);
if (m.Success) {
pp = p;
found = true;
break;
}
}
}
var elementHandler = pp?.Handler as ElementHandler;
if (!found || elementHandler == null) {
listenerContext.Response.StatusCode = 404;
listenerContext.Response.Close ();
@ -518,7 +576,8 @@ namespace Ooui
Element element = null;
bool disposeElementWhenDone = true;
try {
element = elementHandler.GetElement ();
var context = UIContext.ForListenerContext (listenerContext, variables);
element = elementHandler.GetElement (context);
disposeElementWhenDone = elementHandler.DisposeElementWhenDone;
if (element == null)
@ -600,13 +659,14 @@ namespace Ooui
public static void StartWebAssemblySession (string sessionId, string elementPath, string initialSize)
{
Element element;
RequestHandler handler;
PublishedPath pp;
lock (publishedPaths) {
publishedPaths.TryGetValue (elementPath, out handler);
publishedPaths.TryGetValue (elementPath, out pp);
}
var disposeElementWhenDone = true;
if (handler is ElementHandler eh) {
element = eh.GetElement ();
if (pp.Handler is ElementHandler eh) {
var context = UIContext.ForWebAssemblySession (sessionId, elementPath);
element = eh.GetElement (context);
disposeElementWhenDone = eh.DisposeElementWhenDone;
}
else {
@ -687,4 +747,32 @@ namespace Ooui
}
}
}
public class UIContext
{
readonly Dictionary<string, string> variables = new Dictionary<string, string> ();
public Uri RequestUrl { get; }
public string this[string key] => variables.TryGetValue (key, out var v) ? v : "";
public UIContext (Uri requestUrl)
{
RequestUrl = requestUrl ?? throw new ArgumentNullException (nameof (requestUrl));
}
public static UIContext ForListenerContext (HttpListenerContext listenerContext, Dictionary<string, string> variables)
{
var c = new UIContext (listenerContext.Request.Url);
foreach (var kv in variables) {
c.variables.Add (kv.Key, kv.Value);
}
return c;
}
public static UIContext ForWebAssemblySession (string sessionId, string elementPath)
{
return new UIContext (new Uri ("/" + elementPath, UriKind.Relative));
}
}
}

33
Tests/UITests.cs
View File

@ -74,6 +74,39 @@ namespace Tests
}
}
static string DownloadUI (string url)
{
UI.WaitUntilStarted ();
var c = new System.Net.WebClient ();
var r = c.DownloadString (UI.GetUrl (url));
return r;
}
[TestMethod]
public void PublishElementPatternUrl ()
{
UI.Publish ("/pattern/(?<id>[a-z0-9]+)", x => {
Assert.AreEqual ("fhe48yf", x["id"]);
return new Paragraph (x["id"]);
});
var r = DownloadUI ("/pattern/fhe48yf");
Assert.IsTrue (r.Length > 200);
}
[TestMethod]
public void PublishJsonPatternUrl ()
{
bool gotRequest = false;
UI.PublishJson ("/pattern/(?<id>[a-z0-9]+)", x => {
gotRequest = true;
Assert.AreEqual ("nvirueh4", x["id"]);
return x["id"];
});
var r = DownloadUI ("/pattern/nvirueh4");
Assert.IsTrue (gotRequest);
Assert.AreEqual ("\"nvirueh4\"", r);
}
[TestMethod]
public void PublishEmptyFile ()
{