From 108ff8f4756db384b4607f42469eaee142c91aea Mon Sep 17 00:00:00 2001 From: Neil Jenkins Date: Fri, 5 Feb 2021 14:26:38 +1100 Subject: [PATCH] Use sanitizeToDOMFragment fn for undo/redo The content should be safe anyway as it will already have been sanitised, however mXSS attacks are still a slight risk so safer to always run it through the sanitiser. --- build/squire-raw.js | 14 +++++++++++--- build/squire.js | 2 +- source/Editor.js | 9 ++++++++- 3 files changed, 20 insertions(+), 5 deletions(-) diff --git a/build/squire-raw.js b/build/squire-raw.js index 0c762ef..6fb3f4f 100644 --- a/build/squire-raw.js +++ b/build/squire-raw.js @@ -1265,7 +1265,9 @@ var keys = { 37: 'left', 39: 'right', 46: 'delete', + 191: '/', 219: '[', + 220: '\\', 221: ']' }; @@ -3888,10 +3890,9 @@ var increaseBlockQuoteLevel = function ( frag ) { }; var decreaseBlockQuoteLevel = function ( frag ) { - var root = this._root; var blockquotes = frag.querySelectorAll( 'blockquote' ); Array.prototype.filter.call( blockquotes, function ( el ) { - return !getNearest( el.parentNode, root, 'BLOCKQUOTE' ); + return !getNearest( el.parentNode, frag, 'BLOCKQUOTE' ); }).forEach( function ( el ) { replaceWith( el, empty( el ) ); }); @@ -4172,7 +4173,14 @@ proto._getHTML = function () { proto._setHTML = function ( html ) { var root = this._root; var node = root; - node.innerHTML = html; + var sanitizeToDOMFragment = this._config.sanitizeToDOMFragment; + if ( typeof sanitizeToDOMFragment === 'function' ) { + var frag = sanitizeToDOMFragment( html, false, this ); + empty( node ); + node.appendChild( frag ); + } else { + node.innerHTML = html; + } do { fixCursor( node, root ); } while ( node = getNextBlock( node, root ) ); diff --git a/build/squire.js b/build/squire.js index 510df0c..c37d19b 100644 --- a/build/squire.js +++ b/build/squire.js @@ -1 +1 @@ -!function(e,t){"use strict";var n=1,o=3,i=9,r=11,a=1,s="​",d=e.defaultView,l=navigator.userAgent,c=(/Android/.test(l),/Mac OS X/.test(l)),h=/Windows 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this.forEachBlock(function(t){var n=t.className.split(/\s+/).filter(function(e){return!!e&&!/^align/.test(e)}).join(" ");e?(t.className=n+" align-"+e,t.style.textAlign=e):(t.className=n,t.style.textAlign="")},!0),this.focus()},Ve.setTextDirection=function(e){return this.forEachBlock(function(t){e?t.dir=e:t.removeAttribute("dir")},!0),this.focus()};var pt=function(e){for(var t,n=this._root,i=this._doc,o=i.createDocumentFragment(),r=w(e,n);t=r.nextNode();){var a,s,d=t.querySelectorAll("BR"),l=[],c=d.length;for(a=0;a-1;)r.appendChild(s.createTextNode(o.slice(0,a))),r.appendChild(s.createElement("BR")),o=o.slice(a+1);i.parentNode.insertBefore(r,i),i.data=o}X(t,d),$(t,j(t))}return e};Ve.code=function(){var e=this.getSelection();return e.collapsed||F(e.commonAncestorContainer)?this.modifyBlocks(pt,e):this.changeFormat({tag:"CODE",attributes:this._config.tagAttributes.code},null,e),this.focus()},Ve.removeCode=function(){var e=this.getSelection();return K(e.commonAncestorContainer,this._root,"PRE")?this.modifyBlocks(gt,e):this.changeFormat(null,{tag:"CODE"},e),this.focus()},Ve.toggleCode=function(){return this.hasFormat("PRE")||this.hasFormat("CODE")?this.removeCode():this.code(),this},Ve.removeAllFormatting=function(e){if(!e&&!(e=this.getSelection())||e.collapsed)return this;for(var t=this._root,n=e.commonAncestorContainer;n&&!I(n);)n=n.parentNode;if(n||(Ce(e,t),n=t),n.nodeType===i)return this;this.saveUndoState(e),he(e,n,n,t);for(var o,r,a=n.ownerDocument,s=e.startContainer,d=e.startOffset,l=e.endContainer,c=e.endOffset,h=a.createDocumentFragment(),f=a.createDocumentFragment(),u=J(l,c,n,t),p=J(s,d,n,t);p!==u;)o=p.nextSibling,h.appendChild(p),p=o;return function e(t,n,o){var r,a;for(r=n.firstChild;r;r=a){if(a=r.nextSibling,U(r)){if(r.nodeType===i||"BR"===r.nodeName||"IMG"===r.nodeName){o.appendChild(r);continue}}else if(I(r)){o.appendChild(t.createDefaultBlock([e(t,r,t._doc.createDocumentFragment())]));continue}e(t,r,o)}return 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