/// <summary>
/// Returns true, if file found in folder "Application.Server/Framework/Framework.Angular/browser".
/// </summary>
private async Task <bool> AngularBrowserFileAsync(HttpContext context, string path)
{
// Fallback Application.Server/Framework/Framework.Angular/browser
if (UtilServer.PathIsFileName(path))
{
// Serve fileName
string fileName = UtilServer.FolderNameContentRoot() + "Framework/Framework.Angular/browser" + path;
if (fileName.EndsWith(angularBrowserFileNameJsSuffix))
{
// Prevent for example two main.js. Angular js can not be overridden by Website
// Application.Website/LayoutDefault/dist/main.js
// Application.Server/Framework/Framework.Angular/browser/main.js
fileName = fileName.Substring(0, fileName.Length - angularBrowserFileNameJsSuffix.Length) + ".js";
}
if (File.Exists(fileName))
{
context.Response.ContentType = UtilServer.ContentType(fileName);
await context.Response.SendFileAsync(fileName);
return(true);
}
}
return(false);
}
public static void Configure(IApplicationBuilder applicationBuilder)
{
UtilServer.ApplicationBuilder = applicationBuilder;
var configServer = ConfigServer.Load();
if (UtilServer.IsIssServer == false)
{
// Running in Visual Studio environment.
if (configServer.IsServerSideRendering)
{
UtilServer.StartUniversalServer();
}
}
if (configServer.IsUseDeveloperExceptionPage)
{
applicationBuilder.UseDeveloperExceptionPage();
}
applicationBuilder.UseDefaultFiles(); // Used for index.html
applicationBuilder.UseStaticFiles(); // Enable access to files in folder wwwwroot.
applicationBuilder.UseSession();
if (configServer.IsUseHttpsRedirection)
{
// Enforce HTTPS in ASP.NET Core https://docs.microsoft.com/en-us/aspnet/core/security/enforcing-ssl?view=aspnetcore-5.0&tabs=visual-studio
applicationBuilder.UseHsts();
applicationBuilder.UseHttpsRedirection();
}
applicationBuilder.Run(new Request().RunAsync);
}
/// <summary>
/// Render first html GET request.
/// </summary>
private static async Task <string> WebsiteServerSideRenderingAsync(HttpContext context, AppSelector appSelector, AppJson appJson)
{
string url;
if (UtilServer.IsIssServer)
{
// Running on IIS Server.
url = context.Request.IsHttps ? "https://" : "http://";
url += context.Request.Host.ToUriComponent() + "/Framework/Framework.Angular/server/main.js"; // Url of server side rendering when running on IIS Server
}
else
{
// Running in Visual Studio.
url = "http://localhost:4000/"; // Url of server side rendering when running in Visual Studio
}
// Process AppJson
string jsonClient = await appSelector.ProcessAsync(context, appJson); // Process (For first server side rendering)
// Server side rendering POST.
string folderNameServer = appSelector.Website.FolderNameServerGet(appSelector.ConfigServer, "Application.Server/Framework/");
string serverSideRenderView = UtilFramework.FolderNameParse(folderNameServer, "/index.html");
serverSideRenderView = HttpUtility.UrlEncode(serverSideRenderView);
url += "?view=" + serverSideRenderView;
bool isServerSideRendering = ConfigServer.Load().IsServerSideRendering;
string indexHtml;
if (isServerSideRendering)
{
// index.html server side rendering
indexHtml = await UtilServer.WebPost(url, jsonClient); // Server side rendering POST. http://localhost:50919/Framework/Framework.Angular/server.js?view=Application.Website%2fDefault%2findex.html
}
else
{
// index.html serve directly
string fileName = UtilServer.FolderNameContentRoot() + UtilFramework.FolderNameParse(appSelector.Website.FolderNameServerGet(appSelector.ConfigServer, "Application.Server/"), "/index.html");
indexHtml = UtilFramework.FileLoad(fileName);
}
// Set jsonBrowser in index.html.
string scriptFind = "</app-root>"; //" <script>var jsonBrowser={}</script>"; // For example Html5Boilerplate build process renames var jsonBrowser to a.
string scriptReplace = "</app-root><script>var jsonBrowser = " + jsonClient + "</script>";
if (isServerSideRendering)
{
indexHtml = UtilFramework.Replace(indexHtml, scriptFind, scriptReplace);
}
// Add Angular scripts
scriptFind = "</body></html>";
scriptReplace = "<script src=\"runtime.js\" defer></script><script src=\"polyfills.js\" defer></script><script src=\"main.js\" defer></script>" +
"</body></html>";
indexHtml = UtilFramework.Replace(indexHtml, scriptFind, scriptReplace);
return(indexHtml);
}
/// <summary>
/// Every client request goes through here.
/// </summary>
public async Task RunAsync(HttpContext context)
{
// await Task.Delay(500); // Simulate slow network.
UtilStopwatch.RequestBind();
try
{
UtilStopwatch.TimeStart(name: "Request");
UtilServer.Cors();
// Request path
string path = context.Request.Path;
// Get current website request from "ConfigServer.json"
AppSelector appSelector = new AppSelector();
// POST app.json
if (!await Post(context, path, appSelector))
{
// GET index.html from "Application.Server/Framework/Application.Website/" (With server side rendering or serve index.html directly)
if (!await WebsiteServerSideRenderingAsync(context, path, appSelector, null))
{
// GET file from "Application.Server/Framework/Application.Website/"
if (!await WebsiteFileAsync(context, path, appSelector))
{
// GET Angular file from "Application.Server/Framework/Framework.Angular/browser"
if (!await AngularBrowserFileAsync(context, path))
{
// GET file from database or navigate to subpage.
if (!await FileDownloadAsync(context, path, appSelector))
{
context.Response.StatusCode = StatusCodes.Status404NotFound;
}
}
}
}
}
// Total time for one request.
UtilStopwatch.TimeStop(name: "Request");
// One log entry for one request.
UtilStopwatch.TimeLog();
}
finally
{
UtilStopwatch.RequestRelease();
}
}
/// <summary>
/// Browser GET request to download file.
/// </summary>
private static async Task <bool> FileDownloadAsync(HttpContext context, string path, byte[] data)
{
bool result = false;
if (data != null)
{
UtilFramework.Assert(data != null);
string fileName = UtilFramework.FolderNameParse(null, path);
context.Response.ContentType = UtilServer.ContentType(fileName);
await context.Response.Body.WriteAsync(data, 0, data.Length);
result = true;
}
return(result);
}
/// <summary>
/// Handle client web POST /app.json
/// </summary>
private static async Task <bool> Post(HttpContext context, string path, AppSelector appSelector)
{
bool result = false;
if (path == "/app.json")
{
string jsonClient = await appSelector.ProcessAsync(context, null); // Process (Client http post)
context.Response.ContentType = UtilServer.ContentType(path);
await context.Response.WriteAsync(jsonClient);
result = true;
}
return(result);
}
/// <summary>
/// Returns true, if file found in folder "Application.Server/Framework/Application.Website/"
/// </summary>
private async Task <bool> WebsiteFileAsync(HttpContext context, string path, AppSelector appSelector)
{
bool result = false;
if (UtilServer.NavigatePathIsFileName(path))
{
// Serve fileName
string fileName = UtilServer.FolderNameContentRoot() + UtilFramework.FolderNameParse(appSelector.Website.FolderNameServerGet(appSelector.ConfigServer, "Application.Server/"), path);
if (File.Exists(fileName))
{
context.Response.ContentType = UtilServer.ContentType(fileName);
await context.Response.SendFileAsync(fileName);
return(true);
}
}
return(result);
}
/// <summary>
/// Returns true, if file found in folder "Application.Server/Framework/Framework.Angular/browser".
/// </summary>
private async Task <bool> AngularBrowserFileAsync(HttpContext context, string path)
{
// Fallback Application.Server/Framework/Framework.Angular/browser
if (UtilServer.NavigatePathIsFileName(path))
{
// Serve fileName
string fileName = UtilServer.FolderNameContentRoot() + "Framework/Framework.Angular/browser" + path;
if (File.Exists(fileName))
{
context.Response.ContentType = UtilServer.ContentType(fileName);
await context.Response.SendFileAsync(fileName);
return(true);
}
}
return(false);
}
/// <summary>
/// Divert request to "Application.Server/Framework/Application.Website/"
/// </summary>
private static async Task <bool> WebsiteServerSideRenderingAsync(HttpContext context, string navigatePath, AppSelector appSelector, AppJson appJson)
{
bool result = false;
// FolderNameServer
string folderNameServer = appSelector.Website.FolderNameServerGet(appSelector.ConfigServer, "Application.Server/");
// FolderName
string folderName = UtilServer.FolderNameContentRoot() + folderNameServer;
if (!Directory.Exists(folderName))
{
throw new Exception(string.Format("Folder does not exis! Make sure cli build command did run. ({0})", folderName));
}
// Index.html
string pathIndexHtml = navigatePath;
if (!UtilServer.NavigatePathIsFileName(navigatePath))
{
pathIndexHtml += "index.html";
}
// FileName
string fileName = UtilFramework.FolderNameParse(folderName, pathIndexHtml);
if (File.Exists(fileName))
{
if (fileName.EndsWith(".html") && UtilFramework.StringNull(appSelector.AppTypeName) != null)
{
context.Response.ContentType = UtilServer.ContentType(fileName);
string htmlIndex = await WebsiteServerSideRenderingAsync(context, appSelector, appJson);
await context.Response.WriteAsync(htmlIndex);
result = true;
}
}
return(result);
}
public static void Configure(IApplicationBuilder applicationBuilder)
{
UtilServer.ApplicationBuilder = applicationBuilder;
if (UtilServer.IsIssServer == false)
{
if (ConfigServer.Load().IsServerSideRendering)
{
UtilServer.StartUniversalServer();
}
}
if (ConfigServer.Load().IsUseDeveloperExceptionPage)
{
applicationBuilder.UseDeveloperExceptionPage();
}
applicationBuilder.UseDefaultFiles(); // Used for index.html
applicationBuilder.UseStaticFiles(); // Enable access to files in folder wwwwroot.
applicationBuilder.UseSession();
applicationBuilder.Run(new Request().RunAsync);
}
