open links to different domains in a new tab

Fixes #19

Signed-off-by: Robin Appelman <robin@icewind.nl>

1 files changed, 12 insertions, 0 deletions

diff --git a/js/editor.js b/js/editor.js
index cd88fce..b8e44eb 100644
--- a/js/editor.js
+++ b/js/editor.js
@@ -22,6 +22,7 @@ OCA.Files_Markdown.Preview.prototype.init = function () {
 		OCA.Files_Markdown.Preview.loadKaTeX()
 	).then(function () {
 		this.renderer = new marked.Renderer();
+		var linkRenderer = this.renderer.link.bind(this.renderer);
 		this.renderer.image = function (href, title, text) {
 			var out = '<img src="' + getUrl(href) + '" alt="' + text + '"';
 			if (title) {
@@ -30,6 +31,17 @@ OCA.Files_Markdown.Preview.prototype.init = function () {
 			out += this.options.xhtml ? '/>' : '>';
 			return out;
 		};
+		this.renderer.link = function(href, title, text) {
+			var rendered = linkRenderer(href, title, text);
+			var parser = document.createElement('a');
+			parser.href = href;
+			console.log(parser.hostname);
+			if (parser.hostname !== window.location.hostname) {
+				return rendered.replace("href=","target='_blank' rel='noopener' href=");
+			} else {
+				return rendered;
+			}
+		};
 
 		this.renderer.code = function (code, language) {
 			// Check whether the given language is valid for highlight.js.