Initial commit

2025-11-17 15:06:39 +01:00
parent 2015516eca
commit 4d2432a1c2
91 changed files with 5074894 additions and 2 deletions
--- a/server.js
+++ b/server.js
@@ -0,0 +1,166 @@
+import http                 from "http";
+
+import { readdir }          from "fs/promises";
+import { stat }             from "fs/promises";
+import { readFile }         from "fs/promises";
+import { join }             from "path";
+import { dirname }          from "path";
+import { fileURLToPath }    from "url";
+
+
+class App
+{
+
+
+	constructor( )
+	{
+
+		const selfPath       = fileURLToPath( import.meta.url );
+
+		this.rootPath        = dirname( selfPath );
+		this.httpServer      = null;
+
+	}
+
+
+	async start( )
+	{
+
+		this.httpServer      = http.createServer( this.handleRequest.bind( this ) );
+
+		this.httpServer.listen( 3000 );
+
+	}
+
+
+	async handleRequest( req, res )
+	{
+
+		const requestedPath  = decodeURI( req.url );
+		const fullPath       = join( this.rootPath, requestedPath );
+
+		const exists         = await this.checkFileExists( fullPath );
+
+		if ( !exists )
+		{
+
+			res.statusCode   = 404;
+			res.end( "Not Found" );
+			return;
+
+		}
+
+		const stats          = await stat( fullPath );
+
+		if ( stats.isDirectory( ) )
+		{
+
+			const indexPath   = join( fullPath, "index.html" );
+			const indexExists = await this.checkFileExists( indexPath );
+
+			if ( indexExists )
+			{
+
+				await this.sendFile( indexPath, res );
+				return;
+
+			}
+
+			await this.sendDirectoryListing( fullPath, requestedPath, res );
+			return;
+
+		}
+
+		await this.sendFile( fullPath, res );
+
+	}
+
+
+	async sendFile( path, res )
+	{
+
+		const contentType    = this.getContentType( path );
+		const fileData       = await readFile( path );
+
+		res.setHeader( "Content-Type", contentType );
+		res.statusCode       = 200;
+
+		res.end( fileData );
+
+	}
+
+
+	async sendDirectoryListing( dirPath, urlPath, res )
+	{
+
+		const entries        = await readdir( dirPath, { withFileTypes : true } );
+
+		let html             = "<html><body><h1>Index of " + urlPath + "</h1><ul>";
+
+		let i                = 0;
+
+		while ( i < entries.length )
+		{
+
+			const e           = entries[ i ].name;
+			const link        = urlPath.endsWith( "/" )
+				? urlPath + e
+				: urlPath + "/" + e;
+
+			html              = html + "<li><a href=\"" + link + "\">" + e + "</a></li>";
+
+			i = i + 1;
+
+		}
+
+		html                 = html + "</ul></body></html>";
+
+		res.setHeader( "Content-Type", "text/html" );
+		res.statusCode       = 200;
+
+		res.end( html );
+
+	}
+
+
+	async checkFileExists( path )
+	{
+
+		const exists          = await stat( path )
+			.then( function( ) { return true; } )
+			.catch( function( ) { return false; } );
+
+		return exists;
+
+	}
+
+
+	getContentType( path )
+	{
+
+		const lower          = path.toLowerCase( );
+
+		if ( lower.endsWith( ".html" ) ) return "text/html";
+		if ( lower.endsWith( ".css" ) )  return "text/css";
+		if ( lower.endsWith( ".js" ) )   return "text/javascript";
+		if ( lower.endsWith( ".json" ) ) return "application/json";
+		if ( lower.endsWith( ".wasm" ) ) return "application/wasm";
+		if ( lower.endsWith( ".png" ) )  return "image/png";
+		if ( lower.endsWith( ".jpg" ) )  return "image/jpeg";
+		if ( lower.endsWith( ".jpeg" ) ) return "image/jpeg";
+		if ( lower.endsWith( ".gif" ) )  return "image/gif";
+		if ( lower.endsWith( ".svg" ) )  return "image/svg+xml";
+		if ( lower.endsWith( ".wgsl" ) ) return "text/plain";
+		if ( lower.endsWith( ".txt" ) )  return "text/plain";
+
+		return "application/octet-stream";
+
+	}
+
+
+}
+
+
+const app                 = new App( );
+
+await app.start( );