Structure change (#4220)

* Structure change

* Remove duplicate folders from previous structure

* Cleanup websocket protocol

* Updating from based off PR

* Fixup - remove wrong files during conflict and get the websocket working

* renaming tsx to ts

Co-authored-by: Jeremy Letto <jeremy.letto@datasite.com>

webclient/src/websocket/utils/guid.util.tsx

@@ -0,0 +1,8 @@
+function s4() {
+  const s4 = Math.floor((1 + Math.random()) * 0x10000);
+  return s4.toString(16).substring(1);
+}
+
+export function guid() {
+  return s4() + s4() + "-" + s4() + "-" + s4() + "-" + s4() + "-" + s4() + s4() + s4();
+}

webclient/src/websocket/utils/index.tsx

@@ -0,0 +1,2 @@
+export * from "./guid.util";
+export * from "./sanitizeHtml.util";

webclient/src/websocket/utils/sanitizeHtml.util.tsx

@@ -0,0 +1,51 @@
+import $ from "jquery";
+
+export function sanitizeHtml(msg) {
+  const $div = $("<div>").html(msg);
+  const whitelist = {
+    tags: "br,a,img,center,b,font",
+    attrs: ["href","color"],
+    href: ["http://","https://","ftp://","//"]
+  };
+
+  // remove all tags, attributes, and href protocols except some
+  enforceTagWhitelist($div, whitelist.tags);
+  enforceAttrWhitelist($div, whitelist.attrs);
+  enforceHrefWhitelist($div, whitelist.href);
+
+  return $div.html();
+}
+
+function enforceTagWhitelist($el, tags) {
+  $el.find("*").not(tags).each(function() {
+    $(this).replaceWith(this.innerHTML);
+  });
+}
+
+function enforceAttrWhitelist($el, attrs) {
+  $el.find("*").each(function() {
+    var attributes = this.attributes;
+    var i = attributes.length;
+    while( i-- ) {
+      var attr = attributes[i];
+      if( $.inArray(attr.name,attrs) === -1 )
+        this.removeAttributeNode(attr);
+    }
+  });
+}
+
+function enforceHrefWhitelist($el, hrefs) {
+  $el.find("[href]").each(function() {
+    const $_el = $(this);
+    const  attributeValue = $_el.attr("href");
+
+    for (let protocol in hrefs) {
+        if (attributeValue.indexOf(hrefs[protocol]) === 0) {
+            $_el.attr("target", "_blank");
+            return;
+        }
+    }
+
+    $_el.removeAttr("href");        
+  });
+}