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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* 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;
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