fix for file with no name, only extension having missing extension after uploading

helpers/posting/markdown.js

@@ -27,7 +27,7 @@ module.exports = (text) => {
 
 	//links
 	text = text.replace(linkRegex, (match) => {
-		return `<a referrerpolicy='strict-origin' href='${match}'>${match}</a>`;
+		return `<a referrerpolicy='strict-origin' target='_blank' href='${match}'>${match}</a>`;
 	});
 
 	//bold

helpers/posting/quotes.js

@@ -108,7 +108,7 @@ module.exports = async (board, text, thread) => {
 			const quoteboard = quote[1];
 			const quotenum = +quote[2];
 			if (postThreadIdMap[quoteboard]) {
-				if (!isNaN(quotenum) && quoteNnum > 0 && postThreadIdMap[quoteboard][quotenum]) {
+				if (!isNaN(quotenum) && quotenum > 0 && postThreadIdMap[quoteboard][quotenum]) {
 					return `<a class='quote' href='/${quoteboard}/thread/${postThreadIdMap[quoteboard][quotenum].thread}.html#${quotenum}'>&gt;&gt;&gt;/${quoteboard}/${quotenum}</a>`;
 				} else {
 					return `<a class='quote' href='/${quoteboard}/index.html'>&gt;&gt;&gt;/${quoteboard}/</a>`;

models/forms/makepost.js

@@ -95,7 +95,7 @@ module.exports = async (req, res, next) => {
 		// then upload, thumb, get metadata, etc.
 		for (let i = 0; i < res.locals.numFiles; i++) {
 			const file = req.files.file[i];
-			const extension = path.extname(file.name);
+			let extension = path.extname(file.name) || file.name.substring(file.name.indexOf('.'));
 			const filename = file.sha256 + extension;
 
 			//get metadata