Source code
Revision control
Copy as Markdown
Other Tools
/* 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,
import { actionCreators as ac, actionTypes as at } from "common/Actions.mjs";
import React from "react";
export class SafeAnchor extends React.PureComponent {
constructor(props) {
super(props);
this.onClick = this.onClick.bind(this);
}
onClick(event) {
// Use dispatch instead of normal link click behavior to include referrer
if (this.props.dispatch) {
event.preventDefault();
const { altKey, button, ctrlKey, metaKey, shiftKey } = event;
this.props.dispatch(
ac.OnlyToMain({
type: at.OPEN_LINK,
data: {
event: { altKey, button, ctrlKey, metaKey, shiftKey },
referrer:
// Use the anchor's url, which could have been cleaned up
url: event.currentTarget.href,
},
})
);
}
// Propagate event if there's a handler
if (this.props.onLinkClick) {
this.props.onLinkClick(event);
}
}
safeURI(url) {
let protocol = null;
try {
protocol = new URL(url).protocol;
} catch (e) {
return "";
}
const isAllowed = ["http:", "https:"].includes(protocol);
if (!isAllowed) {
console.warn(`${url} is not allowed for anchor targets.`); // eslint-disable-line no-console
return "";
}
return url;
}
render() {
const { url, className, title } = this.props;
return (
<a
href={this.safeURI(url)}
title={title}
className={className}
onClick={this.onClick}
>
{this.props.children}
</a>
);
}
}