Override the original function in ingress intel map to log the portal owner and get latest captured date of the portal

ingressTool.v3.user.js

// ==UserScript==
// @name         ingress tool
// @namespace    IngressTool
// @version      0.1
// @description  Log portals you own
// @author       Y.Y.
// @match        https://www.ingress.com/intel*
// @match        http://www.ingress.com/intel*
// @include        https://www.ingress.com/intel*
// @include        http://www.ingress.com/intel*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var baseURL = '';
    var qwert = setInterval(function() {
        if(typeof Ij == 'function') {
            window.Ij = function(a, b) {
                if(b && b.title && b.A == 'portal' && b.state == 2) {
                    var formData = new FormData(), xhr = new XMLHttpRequest();
                    formData.append('pd', JSON.stringify(b)), xhr.open('post', baseURL + 'portals/processPortal'), xhr.send(formData),
                    xhr.onload = function() {
                        if(location.href.indexOf('cw=1') != -1) {
                            window.close();
                        }
                        var date = (JSON.parse(xhr.response)).date;
                        var countDay = countDayDiff(date);
                        console.log('Date: ' + date + ' Count: ' + countDay);
                        showCount(date, countDay);
                    };
                }
                T(a.a, yj, {
                    H: b,
                    Fc: b.J && !IS_VERSION_MOBILE,
                    oc: b.o.join(", ")
                });
            };
            console.log('Injected.');
            clearInterval(qwert);
        }
    }, 1000);

    var countDayDiff = function(ori) {
        var date1 = new Date(ori);
        var date2 = new Date();
        var timeDiff = Math.abs(date2.getTime() - date1.getTime());
        var diffDays = Math.ceil(timeDiff / (1000 * 3600 * 24)); 
        return diffDays;
    };

    var showCount = function(date, count) {
        var node = document.createElement('div');
        node.innerHTML = '<div>Captured: ' + date + '</div><div>Days: ' + count + '</div>';
        document.getElementById('portal_metadata').appendChild(node);
    };
})();