Userscript to add copy link next to search result ip on shodan

shodan-ip-copy.js

// ==UserScript==
// @name        Shodan quick copy IP
// @namespace   Violentmonkey Scripts
// @match       https://www.shodan.io/search
// @grant       none
// @version     1.0
// @author      Roman Hargrave <[email protected]>
// @description 6/26/2020, 3:32:30 PM
// ==/UserScript==
window.addEventListener("load", function() {
  (function(document, navigator, console) {
    function queryFirst(xpath, base) {
      return document.evaluate(xpath, base, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
    }

    function queryAll(xpath, base, callback) {
      const result = document.evaluate(xpath, base, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE);
      
      for(var index = 0; index < result.snapshotLength; ++index) {
        callback(result.snapshotItem(index));
      }
    }

    function extractComponents(resultElement) {
      const ipDiv    = queryFirst('./div[contains(@class, "ip")]', resultElement);
      const ipAnchor = queryFirst('./a[starts-with(@href, "/host/")]', ipDiv);

      return {
        div:     ipDiv,
        address: ipAnchor.innerText
      };
    }

    function appendCopyButton(ipDiv, address) {
      const button = document.createElement('a');

      button.addEventListener('click', function(event) {
        navigator.clipboard.writeText(address);
        event.preventDefault();
      });

      button.style = "font-size: 10pt;";
      button.innerText = "(copy)";

      ipDiv.append(button);
    }


    queryAll('//div[@class="search-result"]', document, function(searchResult) {
      const props = extractComponents(searchResult);
      appendCopyButton(props.div, props.address);
    });
    
  })(document, navigator, console)
});