changes to support page level scripts, ability to detect prerendering

This commit is contained in:
sbwalker 2023-05-22 13:56:48 -04:00
parent e41d9008b3
commit ded326c822
7 changed files with 131 additions and 160 deletions

View File

@ -1,6 +1,8 @@
@using Microsoft.AspNetCore.Http
@inject IInstallationService InstallationService
@inject IJSRuntime JSRuntime
@inject SiteState SiteState
@inject IServiceProvider ServiceProvider
@if (_initialized)
{
@ -30,35 +32,47 @@
}
@code {
[Parameter]
public string AntiForgeryToken { get; set; }
[Parameter]
public string AntiForgeryToken { get; set; }
[Parameter]
public string Runtime { get; set; }
[Parameter]
public string Runtime { get; set; }
[Parameter]
public string RenderMode { get; set; }
[Parameter]
public string RenderMode { get; set; }
[Parameter]
public int VisitorId { get; set; }
[Parameter]
public int VisitorId { get; set; }
[Parameter]
public string RemoteIPAddress { get; set; }
[Parameter]
public string RemoteIPAddress { get; set; }
[Parameter]
public string AuthorizationToken { get; set; }
[Parameter]
public string AuthorizationToken { get; set; }
private bool _initialized = false;
private string _display = "display: none;";
private Installation _installation = new Installation { Success = false, Message = "" };
private bool _initialized = false;
private string _display = "display: none;";
private Installation _installation = new Installation { Success = false, Message = "" };
private PageState PageState { get; set; }
private PageState PageState { get; set; }
protected override async Task OnParametersSetAsync()
{
SiteState.RemoteIPAddress = RemoteIPAddress;
SiteState.AntiForgeryToken = AntiForgeryToken;
SiteState.AuthorizationToken = AuthorizationToken;
private IHttpContextAccessor accessor;
protected override async Task OnParametersSetAsync()
{
SiteState.RemoteIPAddress = RemoteIPAddress;
SiteState.AntiForgeryToken = AntiForgeryToken;
SiteState.AuthorizationToken = AuthorizationToken;
accessor = (IHttpContextAccessor)ServiceProvider.GetService(typeof(IHttpContextAccessor));
if (accessor != null)
{
SiteState.IsPrerendering = !accessor.HttpContext.Response.HasStarted;
}
else
{
SiteState.IsPrerendering = true;
}
_installation = await InstallationService.IsInstalled();
if (_installation.Alias != null)

View File

@ -278,6 +278,7 @@ namespace Oqtane.Modules
SiteState.Properties.PageTitle = title;
}
// note - only supports links and meta tags - not scripts
public void AddHeadContent(string content)
{
if (string.IsNullOrEmpty(SiteState.Properties.HeadContent))

View File

@ -6,9 +6,9 @@
@DynamicComponent
@code {
[CascadingParameter] PageState PageState { get; set; }
[CascadingParameter] PageState PageState { get; set; }
RenderFragment DynamicComponent { get; set; }
RenderFragment DynamicComponent { get; set; }
protected override void OnParametersSet()
{
@ -38,21 +38,21 @@
favicon = Utilities.FileUrl(PageState.Alias, PageState.Site.FaviconFileId.Value);
}
headcontent += $"<link id=\"app-favicon\" rel=\"shortcut icon\" type=\"image/x-icon\" href=\"{favicon}\" />\n";
// head content
if (!string.IsNullOrEmpty(PageState.Site.HeadContent))
{
headcontent += ProcessHeadContent(PageState.Site.HeadContent, "site") + "\n";
}
if (!string.IsNullOrEmpty(PageState.Page.HeadContent))
{
headcontent += ProcessHeadContent(PageState.Page.HeadContent, $"page{PageState.Page.PageId}") + "\n";
}
// stylesheets
foreach (Resource resource in PageState.Page.Resources.Where(item => item.ResourceType == ResourceType.Stylesheet))
{
var url = (resource.Url.Contains("://")) ? resource.Url : PageState.Alias.BaseUrl + resource.Url;
headcontent += CreateLink(url, resource.Integrity, resource.CrossOrigin) + "\n";
}
// head content
if (!string.IsNullOrEmpty(PageState.Site.HeadContent))
{
headcontent += PageState.Site.HeadContent + "\n";
}
if (!string.IsNullOrEmpty(PageState.Page.HeadContent))
{
headcontent += PageState.Page.HeadContent + "\n";
}
SiteState.Properties.HeadContent = headcontent;
DynamicComponent = builder =>
@ -65,87 +65,75 @@
protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (!string.IsNullOrEmpty(PageState.Page.HeadContent) && PageState.Page.HeadContent.Contains("<script"))
if (!firstRender)
{
// inject scripts into page
var interop = new Interop(JSRuntime);
var count = 0;
var index = PageState.Page.HeadContent.IndexOf("<script");
while (index >= 0)
if (!string.IsNullOrEmpty(PageState.Page.HeadContent) && PageState.Page.HeadContent.Contains("<script"))
{
var script = PageState.Page.HeadContent.Substring(index, PageState.Page.HeadContent.IndexOf("</script>", index) + 9 - index);
var attributes = script.Substring(0, script.IndexOf(">")).Replace("\"", "").Split(" ");
string id = "";
string src = "";
string integrity = "";
string crossorigin = "";
string type = "";
foreach (var attribute in attributes)
// inject scripts into page dynamically
var interop = new Interop(JSRuntime);
var scripts = new List<object>();
var count = 0;
var index = PageState.Page.HeadContent.IndexOf("<script");
while (index >= 0)
{
if (attribute.Contains("="))
var script = PageState.Page.HeadContent.Substring(index, PageState.Page.HeadContent.IndexOf("</script>", index) + 9 - index);
// get script attributes
var attributes = script.Substring(0, script.IndexOf(">")).Replace("\"", "").Split(" ");
string id = "";
string src = "";
string integrity = "";
string crossorigin = "";
string type = "";
foreach (var attribute in attributes)
{
var value = attribute.Split("=");
switch (value[0])
if (attribute.Contains("="))
{
case "id":
id = value[1];
break;
case "src":
src = value[1];
break;
case "integrity":
integrity = value[1];
break;
case "crossorigin":
crossorigin = value[1];
break;
case "type":
type = value[1];
break;
var value = attribute.Split("=");
switch (value[0])
{
case "id":
id = value[1];
break;
case "src":
src = value[1];
break;
case "integrity":
integrity = value[1];
break;
case "crossorigin":
crossorigin = value[1];
break;
case "type":
type = value[1];
break;
}
}
}
}
if (!string.IsNullOrEmpty(src))
{
src = (src.Contains("://")) ? src : PageState.Alias.BaseUrl + src;
await interop.IncludeScript(id, src, integrity, crossorigin, type, "", "head");
}
else
{
if (id == "")
// inject script
if (!string.IsNullOrEmpty(src))
{
count += 1;
id = $"page{PageState.Page.PageId}-script{count}";
src = (src.Contains("://")) ? src : PageState.Alias.BaseUrl + src;
scripts.Add(new { href = src, bundle = "", integrity = integrity, crossorigin = crossorigin, es6module = (type == "module"), location = "head" });
}
index = script.IndexOf(">") + 1;
await interop.IncludeScript(id, "", "", "", "", script.Substring(index, script.IndexOf("</script>") - index), "head");
else
{
// inline script must have an id attribute
if (id == "")
{
count += 1;
id = $"page{PageState.Page.PageId}-script{count}";
}
index = script.IndexOf(">") + 1;
await interop.IncludeScript(id, "", "", "", "", script.Substring(index, script.IndexOf("</script>") - index), "head");
}
index = PageState.Page.HeadContent.IndexOf("<script", index + 1);
}
index = PageState.Page.HeadContent.IndexOf("<script", index + 1);
}
}
}
private string ProcessHeadContent(string headcontent, string id)
{
// iterate scripts
if (!string.IsNullOrEmpty(headcontent))
{
var count = 0;
var index = headcontent.IndexOf("<script");
while (index >= 0)
{
var script = headcontent.Substring(index, headcontent.IndexOf("</script>", index) + 9 - index);
if (!script.Contains("src=") && !script.Contains("id="))
if (scripts.Any())
{
count += 1;
id += $"-script{count}";
headcontent = headcontent.Replace(script, script.Replace("<script", $"<script id=\"{id}\""));
index += id.Length;
await interop.IncludeScripts(scripts.ToArray());
}
index = headcontent.IndexOf("<script", index + 1);
}
}
return headcontent;
}
private string CreateLink(string url, string integrity, string crossorigin)

View File

@ -15,8 +15,8 @@
{
<link id="app-manifest" rel="manifest" />
}
@Html.Raw(Model.HeadResources)
<component type="typeof(Oqtane.Head)" render-mode="@((RenderMode)Enum.Parse(typeof(RenderMode), Model.RenderMode, true))" />
@Html.Raw(Model.HeadResources)
</head>
<body>
@if (string.IsNullOrEmpty(Model.Message))

View File

@ -19,7 +19,6 @@ using Microsoft.Extensions.Primitives;
using Oqtane.Enums;
using Oqtane.Security;
using Oqtane.Extensions;
using Oqtane.Themes;
namespace Oqtane.Pages
{
@ -130,10 +129,8 @@ namespace Oqtane.Pages
{
PWAScript = CreatePWAScript(alias, site, route);
}
if (!string.IsNullOrEmpty(site.HeadContent))
{
ProcessHeadContent(site.HeadContent, "site");
}
// site level scripts
HeadResources += ParseScripts(site.HeadContent);
// get jwt token for downstream APIs
if (User.Identity.IsAuthenticated)
@ -174,8 +171,6 @@ namespace Oqtane.Pages
}
}
ProcessHeadContent(page.HeadContent, $"page{page.PageId}");
// include global resources
var assemblies = AppDomain.CurrentDomain.GetOqtaneAssemblies();
foreach (Assembly assembly in assemblies)
@ -427,27 +422,20 @@ namespace Oqtane.Pages
}
}
private void ProcessHeadContent(string headcontent, string id)
private string ParseScripts(string headcontent)
{
// add scripts to page
// iterate scripts
var scripts = "";
if (!string.IsNullOrEmpty(headcontent))
{
var count = 0;
var index = headcontent.IndexOf("<script");
while (index >= 0)
{
var script = headcontent.Substring(index, headcontent.IndexOf("</script>", index) + 9 - index);
if (!script.Contains("src=") && !script.Contains("id="))
{
count += 1;
id += $"-script{count}";
script = script.Replace("<script", $"<script id=\"{id}\"");
index += id.Length;
}
HeadResources += script + Environment.NewLine;
scripts += headcontent.Substring(index, headcontent.IndexOf("</script>", index) + 9 - index);
index = headcontent.IndexOf("<script", index + 1);
}
}
return scripts;
}
private void ProcessResource(Resource resource, int count, Alias alias)

View File

@ -116,6 +116,10 @@ Oqtane.Interop = {
else {
script = document.getElementById(id);
}
if (script !== null) {
script.remove();
script = null;
}
if (script === null) {
script = document.createElement("script");
if (id !== "") {
@ -139,50 +143,22 @@ Oqtane.Interop = {
script.async = false;
this.addScript(script, location)
.then(() => {
console.log(src + ' loaded');
if (src !== "") {
console.log(src + ' loaded');
}
else {
console.log(id + ' loaded');
}
})
.catch(() => {
console.error(src + ' failed');
if (src !== "") {
console.error(src + ' failed');
}
else {
console.error(id + ' failed');
}
});
}
else {
if (script.id !== id) {
script.setAttribute('id', id);
}
if (type !== "") {
if (script.type !== type) {
script.setAttribute('type', type);
}
} else {
script.removeAttribute('type');
}
if (src !== "") {
if (script.src !== this.getAbsoluteUrl(src)) {
script.removeAttribute('integrity');
script.removeAttribute('crossorigin');
script.src = src;
}
if (integrity !== "") {
if (script.integrity !== integrity) {
script.setAttribute('integrity', integrity);
}
} else {
script.removeAttribute('integrity');
}
if (crossorigin !== "") {
if (script.crossOrigin !== crossorigin) {
script.setAttribute('crossorigin', crossorigin);
}
} else {
script.removeAttribute('crossorigin');
}
}
else {
if (script.innerHTML !== content) {
script.innerHTML = content;
}
}
}
},
addScript: function (script, location) {
if (location === 'head') {
@ -234,6 +210,10 @@ Oqtane.Interop = {
if (path === scripts[s].href && scripts[s].es6module === true) {
element.type = "module";
}
if (path === scripts[s].href && scripts[s].location === 'body') {
document.body.appendChild(element);
return false; // return false to bypass default DOM insertion mechanism
}
}
}
})

View File

@ -9,7 +9,7 @@ namespace Oqtane.Shared
public string AntiForgeryToken { get; set; } // passed from server for use in service calls on client
public string AuthorizationToken { get; set; } // passed from server for use in service calls on client
public string RemoteIPAddress { get; set; } // passed from server as cannot be reliably retrieved on client
public bool IsPrerendering{ get; set; }
private dynamic _properties;
public dynamic Properties => _properties ?? (_properties = new PropertyDictionary());