Initial commit

1 files changed, 106 insertions, 0 deletions

diff --git a/src/server/HttpServer.hx b/src/server/HttpServer.hx
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+++ b/src/server/HttpServer.hx
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+package server;
+
+import js.node.Buffer;
+import haxe.io.Path;
+import js.node.Fs;
+import sys.io.File;
+import js.node.http.IncomingMessage;
+import js.node.http.ServerResponse;
+import js.Node.__dirname;
+import js.node.Path as JsPath;
+using StringTools;
+
+class HttpServer {
+
+	static final mimeTypes = [
+		"html" => "text/html",
+		"js" => "text/javascript",
+		"css" => "text/css",
+		"json" => "application/json",
+		"png" => "image/png",
+		"jpg" => "image/jpg",
+		"gif" => "image/gif",
+		"svg" => "image/svg+xml",
+		"ico" => "image/x-icon",
+		"wav" => "audio/wav",
+		"mp3" => "audio/mpeg",
+		"mp4" => "video/mp4",
+		"woff" => "application/font-woff",
+		"ttf" => "application/font-ttf",
+		"eot" => "application/vnd.ms-fontobject",
+		"otf" => "application/font-otf",
+		"wasm" => "application/wasm"
+	];
+
+	static var dir:String;
+
+	public static function init(directory:String):Void {
+		dir = directory;
+	}
+
+	public static function serveFiles(req:IncomingMessage, res:ServerResponse):Void {
+		var filePath = dir + req.url;
+		if (req.url == "/") filePath = '$dir/index.html';
+
+		final extension = Path.extension(filePath).toLowerCase();
+		final contentType = getMimeType(extension);
+
+		if (!isChildOf(dir, filePath)) {
+			res.statusCode = 500;
+			var rel = JsPath.relative(dir, filePath);
+			res.end('Error getting the file: No access to $rel.');
+			return;
+		}
+
+		// load client code from build folder
+		if (filePath == '$dir/client.js') {
+			filePath = '$__dirname/client.js';
+		}
+
+		Fs.readFile(filePath, function(err:Dynamic, data:Buffer) {
+			if (err != null) {
+				if (err.code == "ENOENT") {
+					res.statusCode = 404;
+					var rel = JsPath.relative(dir, filePath);
+					res.end('File $rel not found.');
+				} else {
+					res.statusCode = 500;
+					res.end('Error getting the file: $err.');
+				}
+				return;
+			}
+			res.setHeader("Content-Type", contentType);
+			if (extension == "html") {
+				// replace ${textId} to localized strings
+				data = cast localizeHtml(data.toString(), req.headers["accept-language"]);
+			}
+			res.end(data);
+		});
+	}
+
+	static final matchLang = ~/^[A-z]+/;
+
+	static function localizeHtml(data:String, lang:String):String {
+		if (lang != null && matchLang.match(lang)) {
+			lang = matchLang.matched(0);
+		} else lang = "en";
+		data = ~/\${([A-z_]+)}/g.map(data, (regExp) -> {
+			final key = regExp.matched(1);
+			return Lang.get(lang, key);
+		});
+		return data;
+	}
+
+	static function isChildOf(parent:String, child:String):Bool {
+		final path = JsPath;
+		final relative = path.relative(parent, child);
+		return relative.length > 0 && !relative.startsWith('..') && !path.isAbsolute(relative);
+	}
+
+	static function getMimeType(ext:String):String {
+		var contentType = mimeTypes[ext];
+		if (contentType == null) contentType = "application/octet-stream";
+		return contentType;
+	}
+
+}