126 lines
3.4 KiB
JavaScript
126 lines
3.4 KiB
JavaScript
/**
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* TLS Dashboard by Craine Runton
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* Source: https://github.com/cmrunton/tls-dashboard
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*
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* See /LICENSE for licensing details
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*/
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var https = require('https');
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const fs = require('fs');
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const config = require('./config');
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const monitored_hosts = require('./monitored_hosts');
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const run_date = new Date().toDateString();
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var output = {},
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iteration = 1,
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errors = 0;
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// Run the module
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monitored_hosts.forEach(get_cert_parameters)
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/**
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* Creates a connection to the host, and then reads the resulting peer certificate to extract the desired info
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*
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* @param {string} element The
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* @param {int} index
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* @param {array} array The
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*/
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function get_cert_parameters(element, index, array) {
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var options = {
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hostname: element,
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port: 443,
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method: 'GET'
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};
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var req = https.request(options, function(res) {
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var cert = res.connection.getPeerCertificate();
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var parsed = {
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'server': element,
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'subject': {
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'org': cert.subject.O,
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'common_name': cert.subject.CN,
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'sans': cert.subjectaltname
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},
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'issuer': {
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'org': cert.issuer.O,
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'common_name': cert.issuer.CN
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},
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'info': {
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'valid_from': parse_date(cert.valid_from),
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'valid_to': parse_date(cert.valid_to),
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'days_left': get_days_left(cert.valid_to)
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}
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}
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add_cert_details(parsed, iteration);
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check_iterations();
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});
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req.end();
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};
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/**
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* Parses the date string passed to it and returs a new date object
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*
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* @param {string} date_string The human readble date string that needs to be parsed
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*/
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function parse_date(date_string) {
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var date = new Date(Date.parse(date_string));
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return date;
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};
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/**
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* Takes a date string and returns the nuumber of days between now and the future date
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*
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* @param {string} date_string The human readble date string that needs to be parsed
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*/
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function get_days_left(date_string) {
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var now = Date.now();
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var then = new Date(Date.parse(date_string));
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var days_left = Math.round((then - now)/86400000);
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return days_left;
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};
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/**
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* Helper function to put the resolved/parsed cert info into the module output object
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*
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* @param {object} object Contains the parsed certificate info
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* @param {string} host The name of the host that the certificate info is taken from
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*/
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function add_cert_details(object, host) {
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output[host] = object;
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};
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/**
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* Checks the iteration count. If the forEach has iterated over all the hosts, then call the write_results function,
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* otherwise log the iteration to the console and increment the count
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*/
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function check_iterations() {
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if (iteration === monitored_hosts.length) {
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write_results();
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assert(true, iteration+' of '+host_list.length+' urls complete.');
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} else {
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iteration++;
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}
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};
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/**
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* Writes out the final object to a file, along with the run date to be used by the HTML page later
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*/
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function write_results() {
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fs.writeFile(config.output_file.path+config.output_file.name, 'var run_date = \''+run_date+'\'; \nvar cert_info = '+JSON.stringify(output, null, 2), function(err) {
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// If the write errored out, notify
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if (err) {
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console.log('Error writing file. \n');
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}
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})
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};
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/**
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* Test function and used to write out the final iteration in green
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*/
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function assert(value, desc) {
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if (value) {
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console.log("\033[32m "+desc+"\033[0m");
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} else {
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console.log("\033[31m "+desc+"\033[0m");
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}
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}; |