updated plugin to use markdown-it instead of remarkable, and updated …

…validateLink method to discard all data-uris, until a solution is developed upstream.

index.js

@@ -1,7 +1,7 @@
(function() {
	"use strict";

	var	Remarkable = require('remarkable'),
	var	MarkdownIt = require('markdown-it'),
		fs = require('fs'),
		path = require('path'),
		url = require('url'),
@@ -67,7 +67,18 @@
					_self.highlight = _self.config.highlight || true;
					delete _self.config.highlight;

					parser = new Remarkable(_self.config);
					parser = new MarkdownIt(_self.config);

					// Override the link validator from MarkdownIt, so you cannot link directly to a data-uri
					parser.validateLink = function(url) {
						var BAD_PROTOCOLS    = [ 'vbscript', 'javascript', 'file', 'data' ];
						var str = url.trim().toLowerCase();

						if (str.indexOf(':') >= 0 && BAD_PROTOCOLS.indexOf(str.split(':')[0]) >= 0) {
							return false;
						}
						return true;
					}
				});
			},

package.json

@@ -18,7 +18,7 @@
    "url": "https://github.com/julianlam/nodebb-plugin-markdown/issues"
  },
  "dependencies": {
    "remarkable": "^1.3.0"
    "markdown-it": "^4.0.3"
  },
  "nbbpm": {
    "compatibility": "^0.7.0"