Support for disabling Sanitization

src/render_tree.js

@@ -25,15 +25,15 @@ define(['./core', './markdown_helpers'], function(Markdown, MarkdownHelpers) {
     var content = [];
 
     if ( options.root ) {
-      content.push( render_tree( jsonml ) );
+      content.push( render_tree( jsonml, options ) );
     }
     else {
       jsonml.shift(); // get rid of the tag
       if ( jsonml.length && typeof jsonml[ 0 ] === "object" && !( jsonml[ 0 ] instanceof Array ) )
         jsonml.shift(); // get rid of the attributes
 
       while ( jsonml.length )
-        content.push( render_tree( jsonml.shift() ) );
+        content.push( render_tree( jsonml.shift(), options ) );
     }
 
     return content.join( "\n\n" );
@@ -83,7 +83,7 @@ define(['./core', './markdown_helpers'], function(Markdown, MarkdownHelpers) {
   Markdown.toHTML = function toHTML( source , dialect , options ) {
     var input = this.toHTMLTree( source , dialect , options );
 
-    return this.renderJsonML( input );
+    return this.renderJsonML( input, options );
   };
 
 
@@ -95,10 +95,15 @@ define(['./core', './markdown_helpers'], function(Markdown, MarkdownHelpers) {
                .replace( /'/g, "'" );
   }
 
-  function render_tree( jsonml ) {
+  function K(input) { return input; }
+
+  function render_tree( jsonml, options ) {
     // basic case
+
+    var sanitize = (options.sanitize !== false) ? escapeHTML : K;
+
     if ( typeof jsonml === "string" )
-      return escapeHTML( jsonml );
+      return sanitize( jsonml );
 
     var tag = jsonml.shift(),
         attributes = {},
@@ -108,11 +113,16 @@ define(['./core', './markdown_helpers'], function(Markdown, MarkdownHelpers) {
       attributes = jsonml.shift();
 
     while ( jsonml.length )
-      content.push( render_tree( jsonml.shift() ) );
+      content.push( render_tree( jsonml.shift(), options ) );
 
     var tag_attrs = "";
+    if (typeof attributes.src !== 'undefined') {
+      tag_attrs += ' src="' + sanitize( attributes.src ) + '"';
+      delete attributes.src;
+    }
+
     for ( var a in attributes )
-      tag_attrs += " " + a + '="' + escapeHTML( attributes[ a ] ) + '"';
+      tag_attrs += " " + a + '="' + sanitize( attributes[ a ] ) + '"';
 
     // be careful about adding whitespace here for inline elements
     if ( tag === "img" || tag === "br" || tag === "hr" )

test/features.t.js

@@ -1,4 +1,5 @@
-var markdown = require("../src/markdown");
+var markdown = require("../src/markdown"),
+    tap = require("tap");
 
 function test_dialect( dialect, features ) {
   var fs = require("fs"),
@@ -80,3 +81,10 @@ dialects.Maruku.push( "meta", "definition_lists", "tables" );
 for ( var d in dialects ) {
   test_dialect( d, dialects[ d ] );
 }
+
+
+tap.test("src attribute order", function(t) {
+  var tree = markdown.toHTML("![photo](/images/photo.jpg)");
+  t.equivalent( tree, '<p><img src="/images/photo.jpg" alt="photo"/></p>' );
+  t.end();
+});

test/html_renderer.t.js

@@ -0,0 +1,22 @@
+var markdown = require("../src/markdown"),
+    tap = require("tap");
+
+tap.test("src attribute order", function(t) {
+  var tree = markdown.toHTML("![photo](/images/photo.jpg)");
+  t.equivalent( tree, '<p><img src="/images/photo.jpg" alt="photo"/></p>' );
+  t.end();
+});
+
+tap.test("HTML Sanitizing", function(t) {
+	var input = "hello <world>";
+
+  t.equivalent( markdown.toHTML(input, 'Gruber'),
+                '<p>hello &lt;world&gt;</p>',
+                "escapes by default" );
+
+  t.equivalent( markdown.toHTML(input, 'Gruber', {sanitize: false}),
+                '<p>hello <world></p>',
+                "sanitization can be disabled" );
+
+  t.end();
+});