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Porkbun CDS record diff

Display diff of DNSSEC config and CDS records for Porkbun with buttons to fix diffs.

目前為 2024-08-31 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name        Porkbun CDS record diff
  3. // @namespace   teiken.dev
  4. // @description Display diff of DNSSEC config and CDS records for Porkbun with buttons to fix diffs.
  5. // @version     1.01
  6. // @match       https://porkbun.com/account/dnssec/*
  7. // @author      2024, Wilfried Teiken
  8. // @license     MIT
  9. // ==/UserScript==
  10.  
  11. var domain=window.location.pathname.split("/").pop();
  12. console.log("domain: "+domain);
  13.  
  14. const xhttp = new XMLHttpRequest();
  15. xhttp.onload = function() {
  16.   if (this.readyState == 4 && this.status == 200) {
  17.     var response = JSON.parse(this.responseText);
  18.     if (response.Status != 0) {
  19.       console.log("Error getting CDS: "+response.Status);
  20.       return;
  21.     }
  22.     if (!response.AD) {
  23.       console.log("CDS was not verified using DNSSEC");
  24.       return;
  25.     }
  26.  
  27.     // Answer is verified, which means an existing DS was used to sign the CDS and it can be trusted.
  28.  
  29.     // Extract the CDS entries
  30.     var cds = new Map();
  31.     for (i = 0; i < response.Answer.length; ++i) {
  32.       if (response.Answer[i].type == 59) {
  33.         var record = response.Answer[i].data.split(" ");
  34.         cds.set(record[0], record);
  35.       }
  36.     }
  37.  
  38.     // Determine which items are already existing
  39.     var existing = new Map();
  40.     var buttons = document.getElementsByTagName("button");
  41.     for (i = 0; i < buttons.length; ++i) {
  42.       if (buttons[i].hasAttributes() && buttons[i].hasAttribute("data-keytag")) {
  43.         existing.set(buttons[i].getAttribute("data-keytag"), buttons[i]);
  44.       }
  45.     }
  46.  
  47.     // Find the right element to insert the items at.
  48.     var insertPoint;
  49.     var titles = document.getElementsByClassName("lead");
  50.     for (i = 0; i < titles.length; ++i) {
  51.       if (titles[i].textContent == "Create DNSSEC Record") {
  52.         insertPoint = titles[i].parentNode;
  53.       }
  54.     }
  55.  
  56.     if (insertPoint) {
  57.       // Create an entry for every key found in the CDS set.
  58.       var newSection = document.createElement("div");
  59.       newSection.setAttribute("class", "alert alert-info");
  60.       newSection.setAttribute("style", "word-break: break-word;");
  61.  
  62.       var newHeader = document.createElement("p");
  63.       newHeader.setAttribute("class", "lead");
  64.       newHeader.appendChild(document.createTextNode("Target DNSSEC Configuration (based on CDS records)"));
  65.       newSection.appendChild(newHeader);
  66.  
  67.       for (const [key, value] of cds) {
  68.         var newItem = document.createElement("div");
  69.         newItem.appendChild(document.createElement("br"));
  70.         newItem.appendChild(document.createTextNode("keyTag: "+value[0]));
  71.         newItem.appendChild(document.createElement("br"));
  72.         newItem.appendChild(document.createTextNode("alg: "+value[1]));
  73.         newItem.appendChild(document.createElement("br"));
  74.         newItem.appendChild(document.createTextNode("digestType: "+value[2]));
  75.         newItem.appendChild(document.createElement("br"));
  76.         newItem.appendChild(document.createTextNode("digest: "+value[3]));
  77.         newItem.appendChild(document.createElement("br"));
  78.         if (existing.has(key)) {
  79.           newItem.appendChild(document.createTextNode("Status: Already in DS set"));
  80.           newItem.setAttribute("style", "background-color:#D8E2D2; margin:5pt;");
  81.         } else {
  82.           newItem.appendChild(document.createTextNode("Status: Should be added to DS set"));
  83.  
  84.           newItem.appendChild(document.createElement("br"));
  85.           var newButton = document.createElement("button");
  86.           newButton.textContent = "Add to DS set";
  87.           newButton.setAttribute("class", "btn btn-success");
  88.           newButton.onclick = () => {
  89.             document.getElementById("keyTag").value=value[0];
  90.             document.getElementById("alg").value=value[1];
  91.             document.getElementById("digestType").value=value[2];
  92.             document.getElementById("digest").value=value[3];
  93.             document.getElementById("dnssecCreateButton").click();
  94.           };
  95.           newItem.appendChild(newButton);
  96.           newItem.setAttribute("style", "background-color:#F9A2A2; margin:5pt;");
  97.         }
  98.  
  99.         newSection.appendChild(newItem);
  100.       }
  101.  
  102.       // Replicate the sections from the "current configuration" for all keys not in CDS.
  103.       for (const [key, button] of existing) {
  104.         if (!cds.has(key)) {
  105.           var newItem = document.createElement("div");
  106.           var toCopy = button;
  107.           for(i = 0; i < 9; ++i) {
  108.             if (toCopy.previousSibling) {
  109.               toCopy = toCopy.previousSibling;
  110.             }
  111.           }
  112.           while (toCopy != button) {
  113.             newItem.appendChild(toCopy.cloneNode());
  114.             toCopy = toCopy.nextSibling;
  115.           }
  116.           newItem.appendChild(document.createTextNode("Status: Should be removed from DS set"));
  117.  
  118.           newItem.appendChild(document.createElement("br"));
  119.           var newButton = button.cloneNode();
  120.           newButton.textContent = "DELETE from DS set";
  121.           newItem.appendChild(newButton);
  122.           newItem.setAttribute("style", "background-color:#F9A2A2; margin:5pt;");
  123.  
  124.           newSection.appendChild(newItem);
  125.         }
  126.       }
  127.       insertPoint.parentNode.insertBefore(newSection, insertPoint);
  128.     }
  129.   }
  130. }
  131. xhttp.open("GET", "https://dns.google/resolve?name="+domain+"&type=CDS", true);
  132. xhttp.send();