1 files changed, 101 insertions, 0 deletions
diff --git a/devtools/client/webconsole/new-console-output/components/grip-message-body.js b/devtools/client/webconsole/new-console-output/components/grip-message-body.js
new file mode 100644
index 000000000..9e353be0a
--- /dev/null
+++ b/devtools/client/webconsole/new-console-output/components/grip-message-body.js
@@ -0,0 +1,101 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// If this is being run from Mocha, then the browser loader hasn't set up
+// define. We need to do that before loading Rep.
+if (typeof define === "undefined") {
+  require("amd-loader");
+}
+
+// React
+const {
+  createFactory,
+  PropTypes
+} = require("devtools/client/shared/vendor/react");
+const { createFactories } = require("devtools/client/shared/components/reps/rep-utils");
+const { Rep } = createFactories(require("devtools/client/shared/components/reps/rep"));
+const StringRep = createFactories(require("devtools/client/shared/components/reps/string").StringRep).rep;
+const VariablesViewLink = createFactory(require("devtools/client/webconsole/new-console-output/components/variables-view-link"));
+const { Grip } = require("devtools/client/shared/components/reps/grip");
+
+GripMessageBody.displayName = "GripMessageBody";
+
+GripMessageBody.propTypes = {
+  grip: PropTypes.oneOfType([
+    PropTypes.string,
+    PropTypes.number,
+    PropTypes.object,
+  ]).isRequired,
+  serviceContainer: PropTypes.shape({
+    createElement: PropTypes.func.isRequired,
+  }),
+  userProvidedStyle: PropTypes.string,
+};
+
+function GripMessageBody(props) {
+  const { grip, userProvidedStyle, serviceContainer } = props;
+
+  let styleObject;
+  if (userProvidedStyle && userProvidedStyle !== "") {
+    styleObject = cleanupStyle(userProvidedStyle, serviceContainer.createElement);
+  }
+
+  return (
+    // @TODO once there is a longString rep, also turn off quotes for those.
+    typeof grip === "string"
+      ? StringRep({
+        object: grip,
+        useQuotes: false,
+        mode: props.mode,
+        style: styleObject
+      })
+      : Rep({
+        object: grip,
+        objectLink: VariablesViewLink,
+        defaultRep: Grip,
+        mode: props.mode,
+      })
+  );
+}
+
+function cleanupStyle(userProvidedStyle, createElement) {
+  // Regular expression that matches the allowed CSS property names.
+  const allowedStylesRegex = new RegExp(
+    "^(?:-moz-)?(?:background|border|box|clear|color|cursor|display|float|font|line|" +
+    "margin|padding|text|transition|outline|white-space|word|writing|" +
+    "(?:min-|max-)?width|(?:min-|max-)?height)"
+  );
+
+  // Regular expression that matches the forbidden CSS property values.
+  const forbiddenValuesRegexs = [
+    // url(), -moz-element()
+    /\b(?:url|(?:-moz-)?element)[\s('"]+/gi,
+
+    // various URL protocols
+    /['"(]*(?:chrome|resource|about|app|data|https?|ftp|file):+\/*/gi,
+  ];
+
+  // Use a dummy element to parse the style string.
+  let dummy = createElement("div");
+  dummy.style = userProvidedStyle;
+
+  // Return a style object as expected by React DOM components, e.g.
+  // {color: "red"}
+  // without forbidden properties and values.
+  return [...dummy.style]
+    .filter(name => {
+      return allowedStylesRegex.test(name)
+        && !forbiddenValuesRegexs.some(regex => regex.test(dummy.style[name]));
+    })
+    .reduce((object, name) => {
+      return Object.assign({
+        [name]: dummy.style[name]
+      }, object);
+    }, {});
+}
+
+module.exports = GripMessageBody;