☰

WebRTC IP Tracker

alerts whenever a WebRTC connection is made and shows its info in the js console

  1. // ==UserScript==
  2. // @name         WebRTC IP Tracker
  3. // @namespace    https://shitchell.com/
  4. // @version      0.2
  5. // @description  alerts whenever a WebRTC connection is made and shows its info in the js console
  6. // @author       Shaun Mitchel <shaun@shitchell.com>
  7. // @license      wtfpl
  8. // @match        *
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. var hasAlerted = false;
  13.  
  14. window.oRTCPeerConnection =
  15.     window.oRTCPeerConnection || window.RTCPeerConnection;
  16.  
  17. window.RTCPeerConnection = function (...args) {
  18.     const pc = new window.oRTCPeerConnection(...args);
  19.  
  20.     pc.oaddIceCandidate = pc.addIceCandidate;
  21.  
  22.     pc.addIceCandidate = function (iceCandidate, ...rest) {
  23.         const fields = iceCandidate.candidate.split(" ");
  24.  
  25.         console.log(iceCandidate.candidate);
  26.         const ip = fields[4];
  27.         if (fields[7] === "srflx") {
  28.             getLocation(ip);
  29.         }
  30.         return pc.oaddIceCandidate(iceCandidate, ...rest);
  31.     };
  32.     return pc;
  33. };
  34.  
  35. let getLocation = async (ip) => {
  36.     let url = `https://ipwhois.app/json/${ip}`;
  37.     console.log("...fetching", url);
  38.  
  39.     await fetch(url, {referrer: ""}).then((response) =>
  40.                                           response.json().then((json) => {
  41.         let header = `- ${ip} `.padEnd(20, "-");
  42.         let localTime = (new Date()).toLocaleString([], {timeZone: json.timezone})
  43.         let output = `
  44.           ${header}
  45.           Country:  ${json.country}
  46.           Region:   ${json.region}
  47.           City:     ${json.city}
  48.           Coords:   (${json.latitude}, ${json.longitude})
  49.           Timezone: ${json.timezone} (${json.timezone_gmt})
  50.           Time:     ${localTime}
  51.           ISP:      ${json.isp}
  52.           --------------------
  53.           `
  54.         console.log(output);
  55.         if (!hasAlerted) {
  56.             alert(`[WebRTC:${ip}] see console for details`);
  57.             hasAlerted = true;
  58.         }
  59.     })
  60.   );
  61. }