improve trimming bad inputs and fix code block markdown to be non-greedy and respect first line leading whitespace

helpers/paramconverter.js

@@ -24,7 +24,7 @@ module.exports = (req, res, next) => {
 	for (let i = 0; i < trimFields.length; i++) {
 		const field = trimFields[i];
 		if (req.body[field]) {
-			req.body[field] = req.body[field].trim();
+			req.body[field] = req.body[field].trimEnd();
 		}
 	}
 

helpers/posting/markdown.js

@@ -11,7 +11,7 @@ const Posts = require(__dirname+'/../../db/posts.js')
 	, linkRegex = /https?\:\/\/[^\s<>\[\]{}|\\^]+/g
 	, spoilerRegex = /\|\|(.+)\|\|/gm
 	, detectedRegex = /(\(\(\(.+\)\)\))/gm
-	, codeRegex = /^```\s([\s\S]+)\s```/gm;
+	, codeRegex = /```([\s\S]+?)```/gm;
 
 module.exports = (text) => {
 
@@ -67,7 +67,7 @@ module.exports = (text) => {
 
 	//code
 	text = text.replace(codeRegex, (match, code) => {
-        return `<span class='code'>${code.trim()}</span>`;
+        return `<span class='code'>${code.replace(/^\s*\n/, '')}</span>`;
     });
 
 	//detected