dompurify - npm Package Compare versions

Comparing version 0.8.9 to 0.9.0

dist/purify.min.js

@@ -1,2 +0,2 @@
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se=/^(?:(?:(?:f|ht)tps?|mailto|tel):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i;var fe=/^(?:\w+script|data):/i;var ce=/[\x00-\x20\xA0\u1680\u180E\u2000-\u2029\u205f\u3000]/g;var ue=function(e){var a,i,o,l,s,f,c,u;me("beforeSanitizeAttributes",e,null);f=e.attributes;if(!f){return}c={attrName:"",attrValue:"",keepAttr:true,allowedAttributes:O};u=f.length;while(u--){a=f[u];i=a.name;o=a.value.trim();l=i.toLowerCase();c.attrName=l;c.attrValue=o;c.keepAttr=true;me("uponSanitizeAttribute",e,c);o=c.attrValue;if(l==="name"&&e.nodeName==="IMG"&&f.id){s=f.id;f=Array.prototype.slice.apply(f);ee("id",e);ee(i,e);if(f.indexOf(s)>u){e.setAttribute("id",s.value)}}else if(e.nodeName==="INPUT"&&l==="type"&&o==="file"&&(O[l]||!L[l])){continue}else{if(i==="id"){e.setAttribute(i,"")}ee(i,e)}if(!c.keepAttr){continue}if(P&&(l==="id"||l==="name")&&(o in t||o in n||o in J)){continue}if(F){o=o.replace(H," ");o=o.replace(I," ")}if(C&&oe.test(l)){}else if(_&&le.test(l)){}else if(!O[l]||L[l]){continue}else if(X[l]){}else if(se.test(o.replace(ce,""))){}else if((l==="src"||l==="xlink:href")&&o.indexOf("data:")===0&&K[e.nodeName.toLowerCase()]){}else if(R&&!fe.test(o.replace(ce,""))){}else if(!o){}else{continue}try{e.setAttribute(i,o);r.removed.pop()}catch(d){}}me("afterSanitizeAttributes",e,null)};var de=function(e){var t;var r=re(e);me("beforeSanitizeShadowDOM",e,null);while(t=r.nextNode()){me("uponSanitizeShadowNode",t,null);if(ie(t)){continue}if(t.content instanceof i){de(t.content)}ue(t)}me("afterSanitizeShadowDOM",e,null)};var me=function(e,t,n){if(!k[e]){return}k[e].forEach(function(e){e.call(r,t,n,$)})};r.sanitize=function(e,n){var o,s,f,c,u,d;if(!e){e="<!-->"}if(typeof e!=="string"&&!ae(e)){if(typeof e.toString!=="function"){throw new TypeError("toString is not a function")}else{e=e.toString()}}if(!r.isSupported){if(typeof t.toStaticHTML==="object"||typeof t.toStaticHTML==="function"){if(typeof e==="string"){return t.toStaticHTML(e)}else if(ae(e)){return t.toStaticHTML(e.outerHTML)}}return e}if(!W){Q(n)}r.removed=[];if(e instanceof l){o=te("<!-->");s=o.ownerDocument.importNode(e,true);if(s.nodeType===1&&s.nodeName==="BODY"){o=s}else{o.appendChild(s)}}else{if(!B&&!j&&e.indexOf("<")===-1){return e}o=te(e);if(!o){return B?null:""}}if(q){Z(o.firstChild)}u=re(o);while(f=u.nextNode()){if(f.nodeType===3&&f===c){continue}if(ie(f)){continue}if(f.content instanceof i){de(f.content)}ue(f);c=f}if(B){if(G){d=A.call(o.ownerDocument);while(o.firstChild){d.appendChild(o.firstChild)}}else{d=o}if(U){d=x.call(a,d,true)}return d}return j?o.outerHTML:o.innerHTML};r.setConfig=function(e){Q(e);W=true};r.clearConfig=function(){$=null;W=false};r.addHook=function(e,t){if(typeof t!=="function"){return}k[e]=k[e]||[];k[e].push(t)};r.removeHook=function(e){if(k[e]){k[e].pop()}};r.removeHooks=function(e){if(k[e]){k[e]=[]}};r.removeAllHooks=function(){k={}};return r});
 //# sourceMappingURL=./dist/purify.min.js.map

package.json

@@ -44,3 +44,3 @@ {
   "description": "DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It's written in JavaScript and works in all modern browsers (Safari, Opera (15+), Internet Explorer (10+), Firefox and Chrome - as well as almost anything else using Blink or WebKit). DOMPurify is written by security people who have vast background in web attacks and XSS. Fear not.",
-  "version": "0.8.9",
+  "version": "0.9.0",
   "main": "src/purify.js",
@@ -47,0 +47,0 @@ "directories": {

README.md

@@ -169,2 +169,6 @@ # DOMPurify [![Bower version](https://badge.fury.io/bo/dompurify.svg)](http://badge.fury.io/bo/dompurify) · [![npm version](https://badge.fury.io/js/dompurify.svg)](http://badge.fury.io/js/dompurify) · [![Build Status](https://travis-ci.org/cure53/DOMPurify.svg)](https://travis-ci.org/cure53/DOMPurify) · [![Downloads](https://img.shields.io/npm/dm/dompurify.svg)](https://www.npmjs.com/package/dompurify)
 
+## Persistent Configuration
+
+Instead of repeatedly passing the same configuration to `DOMPurify.sanitize`, you can use the `DOMPurify.setConfig` method. Your configuration will persist until your next call to `DOMPurify.setConfig`, or until you invoke `DOMPurify.clearConfig` to reset it. Remember that there is only one active configuration, which means once it is set, all extra configuration parameters passed to `DOMPurify.sanitize` are ignored.
+
 ## Hooks
@@ -171,0 +175,0 @@

src/purify.js

@@ -24,3 +24,3 @@ ;(function(factory) {
      */
-    DOMPurify.version = '0.8.9';
+    DOMPurify.version = '0.9.0';
 
@@ -50,4 +50,7 @@ /**
     var DOMParser = window.DOMParser;
+    var XMLHttpRequest = window.XMLHttpRequest;
+    var encodeURI = window.encodeURI;
+    var useXHR = false;
     var useDOMParser = false; // See comment below
-
+    
     // As per issue #47, the web-components registry is inherited by a
@@ -243,2 +246,5 @@ // new document created via createHTMLDocument. As per the spec
 
+    /* Track whether config is already set on this instance of DOMPurify. */
+    var SET_CONFIG = false;
+
     /* Decide if all elements (e.g. style, script) must be children of
@@ -403,2 +409,14 @@ * document.body. By default, browsers might move them to document.head */
 
+        /* Use XHR if necessary because Safari 10.1 and newer are buggy */
+        if (useXHR) {
+            try {
+                dirty = encodeURI(dirty);
+            } catch (e) {}
+            var xhr = new XMLHttpRequest();
+            xhr.responseType = 'document';
+            xhr.open('GET', 'data:text/html;charset=utf-8,' + dirty, false);
+            xhr.send(null);
+            doc = xhr.response;
+        }
+
         /* Use DOMParser to workaround Firefox bug (see comment below) */
@@ -432,2 +450,7 @@ if (useDOMParser) {
     //
+    // Later, it was also noticed that even more assumed benign and inert ways
+    // of creating a document are now insecure thanks to Safari. So we work 
+    // around that with a feature test and use XHR to create the document in 
+    // case we really have to. That one seems safe for now.
+    //
     // However, Firefox uses a different parser for innerHTML rather than
@@ -441,3 +464,7 @@ // DOMParser (see https://bugzilla.mozilla.org/show_bug.cgi?id=1205631)
         (function () {
-            var doc = _initDocument('<svg><p><style><img src="</style><img src=x onerror=alert(1)//">');
+            var doc  = _initDocument('<svg><g onload="this.parentNode.remove()"></g></svg>');
+            if (!doc.querySelector('svg')) {
+                useXHR = true;
+            }
+            doc = _initDocument('<svg><p><style><img src="</style><img src=x onerror=alert(1)//">');
             if (doc.querySelector('svg img')) {
@@ -816,3 +843,5 @@ useDOMParser = true;
         /* Assign config vars */
-        _parseConfig(cfg);
+        if (!SET_CONFIG) {
+            _parseConfig(cfg);
+        }
 
@@ -909,2 +938,25 @@ /* Clean up removed elements */
     /**
+     * setConfig
+     * Public method to set the configuration once
+     *
+     * @param {Object} configuration object
+     * @return void
+     */
+    DOMPurify.setConfig = function(cfg) {
+        _parseConfig(cfg);
+        SET_CONFIG = true;
+    };
+
+    /**
+     * clearConfig
+     * Public method to remove the configuration
+     *
+     * @return void
+     */
+    DOMPurify.clearConfig = function() {
+        CONFIG = null;
+        SET_CONFIG = false;
+    };
+
+    /**
      * addHook
@@ -911,0 +963,0 @@ * Public method to add DOMPurify hooks

No alert changes

Improved metrics

Total package byte prevSize

96613

increased by3.25%

Lines of code

926

increased by5.59%

Number of lines in readme file

227

increased by1.79%

No dependency changes