tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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AuditController.js (2214B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 const React = require("resource://devtools/client/shared/vendor/react.mjs");
      8 const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.mjs");
      9 
     10 class AuditController extends React.Component {
     11  static get propTypes() {
     12    return {
     13      accessibleFront: PropTypes.object.isRequired,
     14      children: PropTypes.any,
     15    };
     16  }
     17 
     18  constructor(props) {
     19    super(props);
     20 
     21    const {
     22      accessibleFront: { checks },
     23    } = props;
     24    this.state = {
     25      checks,
     26    };
     27 
     28    this.onAudited = this.onAudited.bind(this);
     29  }
     30 
     31  componentDidMount() {
     32    const { accessibleFront } = this.props;
     33    accessibleFront.on("audited", this.onAudited);
     34    this.maybeRequestAudit();
     35  }
     36 
     37  componentDidUpdate() {
     38    this.maybeRequestAudit();
     39  }
     40 
     41  componentWillUnmount() {
     42    const { accessibleFront } = this.props;
     43    accessibleFront.off("audited", this.onAudited);
     44  }
     45 
     46  onAudited() {
     47    const { accessibleFront } = this.props;
     48    if (accessibleFront.isDestroyed()) {
     49      // Accessible front is being removed, stop listening for 'audited' events.
     50      accessibleFront.off("audited", this.onAudited);
     51      return;
     52    }
     53 
     54    this.setState({ checks: accessibleFront.checks });
     55  }
     56 
     57  maybeRequestAudit() {
     58    const { accessibleFront } = this.props;
     59    if (accessibleFront.isDestroyed()) {
     60      // Accessible front is being removed, stop listening for 'audited' events.
     61      accessibleFront.off("audited", this.onAudited);
     62      return;
     63    }
     64 
     65    if (accessibleFront.checks) {
     66      return;
     67    }
     68 
     69    accessibleFront.audit().catch(error => {
     70      // If the actor was destroyed (due to a connection closed for instance) do
     71      // nothing, otherwise log a warning
     72      if (!accessibleFront.isDestroyed()) {
     73        console.warn(error);
     74      }
     75    });
     76  }
     77 
     78  render() {
     79    const { children } = this.props;
     80    const { checks } = this.state;
     81 
     82    return React.Children.only(React.cloneElement(children, { checks }));
     83  }
     84 }
     85 
     86 module.exports = AuditController;