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Add version to svg's href files to prevent cache issues

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nicolas.dorier
2022-01-13 15:13:07 +09:00
parent 77be2fa9d5
commit 7b0558dc8e
1 changed files with 12 additions and 10 deletions
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22
BTCPayServer/TagHelpers.cs
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@@ -3,10 +3,15 @@ using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Text.Encodings.Web;
using System.Threading.Tasks;
using BTCPayServer.Configuration;
using BTCPayServer.Security;
using BTCPayServer.Services;
using Microsoft.AspNetCore.Mvc.Razor.TagHelpers;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.AspNetCore.Mvc.Routing;
using Microsoft.AspNetCore.Mvc.ViewFeatures;
using Microsoft.AspNetCore.Razor.TagHelpers;
using NBitcoin;
using NBitcoin.Crypto;
@@ -145,22 +150,19 @@ namespace BTCPayServer.TagHelpers
// Make sure that <svg><use href=/ are correctly working if rootpath is present
[HtmlTargetElement("use", Attributes = "href")]
public class SVGUse : TagHelper
public class SVGUse : UrlResolutionTagHelper
{
private string _RootPath;
private readonly IFileVersionProvider _fileVersionProvider;
public SVGUse(BTCPayServerOptions opts)
public SVGUse(IUrlHelperFactory urlHelperFactory, HtmlEncoder htmlEncoder, IFileVersionProvider fileVersionProvider):base(urlHelperFactory, htmlEncoder)
{
_RootPath = opts.RootPath;
_fileVersionProvider = fileVersionProvider;
}
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (string.IsNullOrEmpty(_RootPath) || _RootPath == "/")
return;
var attr = output.Attributes["href"];
if (!attr.Value.ToString().StartsWith("/", StringComparison.OrdinalIgnoreCase))
return;
output.Attributes.SetAttribute("href", $"{_RootPath}{attr.Value}");
var attr = output.Attributes["href"].Value.ToString();
attr = _fileVersionProvider.AddFileVersionToPath(ViewContext.HttpContext.Request.PathBase, attr);
output.Attributes.SetAttribute("href", attr);
}
}
}