83 lines
2.9 KiB
C#
83 lines
2.9 KiB
C#
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using System.IO;
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using System.Net;
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using System.Reflection;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Laservall.Solidworks.Server
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{
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internal static class StaticFileHandler
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{
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private const string ResourceName = "Laservall.Solidworks.Resources.index.html";
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public static async Task ServeIndex(HttpListenerContext context, string authToken, CancellationToken ct)
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{
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byte[] html = GetIndexHtml(authToken);
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if (html == null)
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{
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context.Response.StatusCode = 500;
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byte[] err = Encoding.UTF8.GetBytes("SPA resource not found");
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context.Response.ContentLength64 = err.Length;
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await context.Response.OutputStream.WriteAsync(err, 0, err.Length, ct);
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context.Response.Close();
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return;
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}
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context.Response.StatusCode = 200;
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context.Response.ContentType = "text/html; charset=utf-8";
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context.Response.ContentLength64 = html.Length;
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context.Response.Headers.Set("Cache-Control", "no-cache, no-store, must-revalidate");
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await context.Response.OutputStream.WriteAsync(html, 0, html.Length, ct);
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context.Response.Close();
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}
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private static byte[] GetIndexHtml(string authToken)
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{
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var assembly = Assembly.GetExecutingAssembly();
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using (var stream = assembly.GetManifestResourceStream(ResourceName))
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{
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if (stream == null)
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{
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return GetPlaceholderHtml();
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}
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using (var reader = new StreamReader(stream, Encoding.UTF8))
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{
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string html = reader.ReadToEnd();
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html = html.Replace("{AUTH_TOKEN}", authToken);
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return Encoding.UTF8.GetBytes(html);
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}
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}
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}
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private static byte[] GetPlaceholderHtml()
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{
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string html = @"<!DOCTYPE html>
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<html lang=""zh-CN"">
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<head>
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<meta charset=""utf-8"" />
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<title>BOM 物料清单</title>
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<style>
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body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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display: flex; align-items: center; justify-content: center;
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height: 100vh; margin: 0; background: #f5f5f5; color: #333; }
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.placeholder { text-align: center; }
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.placeholder h1 { font-size: 24px; margin-bottom: 8px; }
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.placeholder p { color: #999; }
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code { background: #e8e8e8; padding: 2px 6px; border-radius: 3px; font-size: 13px; }
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</style>
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</head>
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<body>
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<div class=""placeholder"">
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<h1>BOM 物料清单</h1>
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<p>SPA 尚未构建。请运行 <code>npm run build</code> 并嵌入到程序集资源中。</p>
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</div>
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</body>
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</html>";
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return Encoding.UTF8.GetBytes(html);
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}
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}
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}
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