Embed Wordpress into Razor View

PeachPied.WordPress.AspNetCore/Internal/WpResponseCaching.cs

@@ -3,10 +3,15 @@
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Infrastructure;
+using Microsoft.AspNetCore.Routing;
 using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Primitives;
 using Microsoft.Net.Http.Headers;
@@ -20,6 +25,8 @@ internal class WpResponseCacheMiddleware
         readonly WpResponseCachePolicy _policy;
         readonly ILogger _logger;
         readonly IMemoryCache _cache;
+        readonly IHttpContextAccessor _contextAccessor;
+        readonly bool _enableRazor;
 
         class CacheKey : IEquatable<CacheKey>
         {
@@ -102,8 +109,8 @@ async Task<CachedPage> CaptureResponse(HttpContext context)
 
             byte[] bytes;
 
-            // gzip response
-            if (ShouldCompressResponse(context))
+            // gzip response, dont use on _enableRazor
+            if (ShouldCompressResponse(context) && !_enableRazor)
             {
                 context.Response.Headers.Append(HeaderNames.ContentEncoding, "gzip");
                 context.Response.Headers.Remove(HeaderNames.ContentMD5); // Reset the MD5 because the content changed.
@@ -126,10 +133,26 @@ async Task<CachedPage> CaptureResponse(HttpContext context)
             var cached = IsResponseCacheable(context) ? new CachedPage(context, bytes) : null;
 
             //
-            await responseStream.WriteAsync(bytes, 0, bytes.Length);
+            if (!_enableRazor)
+            {
+                await responseStream.WriteAsync(bytes, 0, bytes.Length);
+            }
+
             return cached;
         }
 
+        public bool ShouldUseRazor()
+        {
+            if (_enableRazor &&
+                !_contextAccessor.HttpContext.Request.Path.ToString().Contains("wp-content/") &&
+                !_contextAccessor.HttpContext.Request.Path.ToString().Contains("wp-includes/") &&
+                !_contextAccessor.HttpContext.Request.Path.ToString().Contains("wp-admin/"))
+            {
+                return true;
+            }
+            return false;
+        }
+
         static bool ShouldCompressResponse(HttpContext context)
         {
             if (context.Response.Headers.ContainsKey(HeaderNames.ContentRange))
@@ -176,8 +199,10 @@ async Task WriteResponse(HttpContext context, CachedPage page)
             await context.Response.Body.WriteAsync(page.Content, 0, page.Content.Length);
         }
 
-        public WpResponseCacheMiddleware(RequestDelegate next, IMemoryCache cache, WpResponseCachePolicy policy, ILoggerFactory loggerFactory)
+        public WpResponseCacheMiddleware(RequestDelegate next, IMemoryCache cache, bool enableRazor, IHttpContextAccessor contextAccessor, WpResponseCachePolicy policy, ILoggerFactory loggerFactory)
         {
+            _contextAccessor = contextAccessor;
+            _enableRazor = enableRazor;
             _next = next;
             _cache = cache;
             _policy = policy;
@@ -291,6 +316,20 @@ static bool IsResponseCacheable(HttpContext context)
             return true;
         }
 
+        private async Task GetViewResultTask(string viewName, string page)
+        {
+            var viewResult = new ViewResult()
+            {
+                ViewName = viewName
+            };
+
+            var executor = _contextAccessor.HttpContext.RequestServices.GetRequiredService<IActionResultExecutor<ViewResult>>();
+            var routeData = _contextAccessor.HttpContext.GetRouteData() ?? new Microsoft.AspNetCore.Routing.RouteData();
+            _contextAccessor.HttpContext.Items.Add("WordpressContent", page);
+            var actionContext = new ActionContext(_contextAccessor.HttpContext, new RouteData(), new Microsoft.AspNetCore.Mvc.Abstractions.ActionDescriptor());
+            await executor.ExecuteAsync(actionContext, viewResult);
+        }
+
         public async Task Invoke(HttpContext context)
         {
             if (AllowCacheLookup(context))
@@ -300,7 +339,15 @@ public async Task Invoke(HttpContext context)
                 if (_cache.TryGetValue(key, out CachedPage page) && _policy.LastPostUpdate < page.TimeStamp)
                 {
                     _logger.LogInformation("Response served from cache.");
-                    await WriteResponse(context, page);
+                    if (ShouldUseRazor())
+                    {
+                        await GetViewResultTask("~/Pages/Wordpress.cshtml", Encoding.UTF8.GetString(page.Content));
+                    }
+                    else
+                    {
+                        await WriteResponse(context, page);
+                    }
+
                     return;
                 }
 
@@ -320,12 +367,30 @@ public async Task Invoke(HttpContext context)
 
                         //     _cache.Set(key, page, serverCacheDuration.Value, tags);
                         // }
+                        if (_enableRazor)
+                        {
+                            if (!context.Request.Path.ToString().Contains("wp-content/") && !context.Request.Path.ToString().Contains("wp-includes/") && !context.Request.Path.ToString().Contains("wp-admin/"))
+                            {
+                                await GetViewResultTask("~/Pages/Wordpress.cshtml", Encoding.UTF8.GetString(page.Content));
+
+                            }
+                        }
                     }
 
                     return;
                 }
             }
 
+            if (ShouldUseRazor())
+            {
+                var page = await CaptureResponse(_contextAccessor.HttpContext);
+                if (page != null)
+                {
+                    await GetViewResultTask("~/Pages/Wordpress.cshtml", Encoding.UTF8.GetString(page.Content));
+                    return;
+                }
+            }
+
             // default
             await _next.Invoke(context);
             return;

PeachPied.WordPress.AspNetCore/RequestDelegateExtension.cs

@@ -289,7 +289,7 @@ private static IApplicationBuilder InstallWordPress(this IApplicationBuilder app
                 plugins.Add(cachepolicy);
 
                 // app.UseMiddleware<ResponseCachingMiddleware>(cachepolicy, cachekey);
-                app.UseMiddleware<WpResponseCacheMiddleware>(new MemoryCache(new MemoryCacheOptions { }), cachepolicy);
+                app.UseMiddleware<WpResponseCacheMiddleware>(new MemoryCache(new MemoryCacheOptions { }), cachepolicy, options.EnableRazor);
             }
 
             // if (options.LegacyPluginAssemblies != null)

PeachPied.WordPress.AspNetCore/ServiceCollectionExtensions.cs

@@ -21,6 +21,7 @@ public static IServiceCollection AddWordPress(this IServiceCollection services,
                 throw new ArgumentNullException(nameof(services));
             }
 
+            services.AddHttpContextAccessor();
             // 
             services.AddPhp(options =>
             {

PeachPied.WordPress.AspNetCore/WordPressConfig.cs

@@ -132,6 +132,11 @@ public class SaltData
         /// </summary>
         public bool EnableResponseCaching { get; set; } = true;
 
+        /// <summary>
+        /// Enable embedding Wordpress into a razor view - Requires existing Pages/Wordpress.cshtml
+        /// Disabled by default.
+        /// </summary>
+        public bool EnableRazor { get; set; } = false;
         /// <summary>
         /// Overrides <c>WP_DEBUG</c> constant.
         /// </summary>

WordpressRazor/Pages/Error.cshtml

@@ -0,0 +1,26 @@
+@page
+@model ErrorModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (Model.ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>

WordpressRazor/Pages/Error.cshtml.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace WordpressRazor.Pages
+{
+	[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+	[IgnoreAntiforgeryToken]
+	public class ErrorModel : PageModel
+	{
+		public string RequestId { get; set; }
+
+		public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+		private readonly ILogger<ErrorModel> _logger;
+
+		public ErrorModel(ILogger<ErrorModel> logger)
+		{
+			_logger = logger;
+		}
+
+		public void OnGet()
+		{
+			RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
+		}
+	}
+}

WordpressRazor/Pages/Index.cshtml

@@ -0,0 +1,10 @@
+@page
+@model IndexModel
+@{
+    ViewData["Title"] = "Home page";
+}
+
+<div class="text-center">
+    <h1 class="display-4">Welcome</h1>
+    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+</div>

WordpressRazor/Pages/Index.cshtml.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace WordpressRazor.Pages
+{
+	public class IndexModel : PageModel
+	{
+		private readonly ILogger<IndexModel> _logger;
+
+		public IndexModel(ILogger<IndexModel> logger)
+		{
+			_logger = logger;
+		}
+
+		public void OnGet()
+		{
+
+		}
+	}
+}

WordpressRazor/Pages/Privacy.cshtml

@@ -0,0 +1,8 @@
+@page
+@model PrivacyModel
+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>

WordpressRazor/Pages/Privacy.cshtml.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
+
+namespace WordpressRazor.Pages
+{
+	public class PrivacyModel : PageModel
+	{
+		private readonly ILogger<PrivacyModel> _logger;
+
+		public PrivacyModel(ILogger<PrivacyModel> logger)
+		{
+			_logger = logger;
+		}
+
+		public void OnGet()
+		{
+		}
+	}
+}

WordpressRazor/Pages/Shared/_Layout.cshtml

@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>@ViewData["Title"] - WordpressRazor</title>
+    <link rel="stylesheet" href="/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="/css/site.css" />
+</head>
+<body>
+    <header>
+        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+            <div class="container">
+                <a class="navbar-brand" href="/Index">WordpressRazor</a>
+                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
+                        aria-expanded="false" aria-label="Toggle navigation">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
+                    <ul class="navbar-nav flex-grow-1">
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" href="/Index">Home</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" href="/Privacy">Privacy</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" href="/wp">Wordpress</a>
+                        </li>
+                    </ul>
+                </div>
+            </div>
+        </nav>
+    </header>
+    <div class="container">
+        <main role="main" class="pb-3">
+            @RenderBody()
+        </main>
+    </div>
+
+    <footer class="border-top footer text-muted">
+        <div class="container">
+            &copy; 2023 - WordpressRazor - <a asp-area="" asp-page="/Privacy">Privacy</a>
+        </div>
+    </footer>
+
+    <script src="/lib/jquery/dist/jquery.min.js"></script>
+    <script src="/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="/js/site.js" asp-append-version="true"></script>
+
+    @await RenderSectionAsync("Scripts", required: false)
+</body>
+</html>

WordpressRazor/Pages/Shared/_ValidationScriptsPartial.cshtml

@@ -0,0 +1,2 @@
+<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
+<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>

WordpressRazor/Pages/Wordpress.cshtml

@@ -0,0 +1,6 @@
+@page "/wordpressInternal"
+@using System.IO
+@using Microsoft.AspNetCore.Http;
+@inject IHttpContextAccessor HttpContextAccessor;
+
+@Html.Raw(HttpContextAccessor.HttpContext.Items["WordpressContent"])

WordpressRazor/Pages/_ViewImports.cshtml

@@ -0,0 +1,2 @@
+@using WordpressRazor
+@namespace WordpressRazor.Pages

WordpressRazor/Pages/_ViewStart.cshtml

@@ -0,0 +1,3 @@
+@{
+    Layout = "_Layout";
+}