TC
/
Zoraxy
mirror of https://git.hkwtc.org/TC/ReverseProxy


			
				
					
						
						
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							<!DOCTYPE html>
<html>
  <head>
      <!-- Notes: This should be open in its original path-->
      <link rel="stylesheet" href="../script/semantic/semantic.min.css">
      <script src="../script/jquery-3.6.0.min.js"></script>
      <script src="../script/semantic/semantic.min.js"></script>
      <style>
        .disabled.table{
          opacity: 0.5;
          pointer-events: none;
          
        }

        .expiredDomain{
          color: rgb(238, 31, 31);
        }

        .validDomain{
          color: rgb(49, 192, 113);
        }
      </style>
  </head>
  <body>
  <br>
  <div class="ui container">
    <div class="ui header">
        <div class="content">
            Certificates Auto Renew Settings
            <div class="sub header">Fetch and renew your certificates with Automated Certificate Management Environment (ACME) protocol</div>
        </div>
    </div>
    <div class="ui basic segment">
      <p style="float: right; color: #21ba45; display:none;" id="enableToggleSucc"><i class="green checkmark icon"></i> Setting Updated</p>
      <div class="ui toggle checkbox">
        <input type="checkbox" id="enableCertAutoRenew">
        <label>Enable Certificate Auto Renew</label>
      </div>
      <br>
      <h3>ACME Email</h3>
      <p>Email is required by many CAs for renewing via ACME protocol</p>
      <div class="ui fluid action input">
        <input id="caRegisterEmail" type="text" placeholder="[email protected]">
        <button class="ui icon basic button" onclick="saveEmailToConfig(this);">
            <i class="blue save icon"></i>
        </button>
      </div>
      <small>If you don't want to share your private email address, you can also fill in an email address that point to a mailbox not exists on your domain.</small>
    </div>
    <div class="ui basic segment" style="background-color: #f7f7f7; border-radius: 1em;">
      <div class="ui accordion advanceSettings">
          <div class="title">
            <i class="dropdown icon"></i>
              Advance Renew Policy
          </div>
          <div class="content">
              <p>Renew all certificates with ACME supported CAs</p>
              <div class="ui toggle checkbox">
                <input type="checkbox" id="renewAllSupported" onchange="setAutoRenewIfCASupportMode(this.checked);">
                <label>Renew All Certs</label>
              </div><br>
              <button id="renewNowBtn" onclick="renewNow();" class="ui basic right floated button" style="margin-top: -2em;"><i class="yellow refresh icon"></i> Renew Now</button>
              <div class="ui horizontal divider"> OR </div>
              <p>Select the certificates to automatic renew in the list below</p>
              <table id="domainCertFileTable" class="ui very compact unstackable basic disabled table">
                <thead>
                  <tr>
                    <th>Domain Name</th>
                    <th>Match Rule</th>
                    <th>Auto-Renew</th>
                  </tr>
                </thead>
                <tbody id="domainTableBody"></tbody>
              </table>
              <small><i class="ui red info circle icon"></i> Domain in red are expired</small><br>
              <div class="ui yellow message">
                Certificate Renew only works on the certification authority (CA) supported by Zoraxy. Check Zoraxy wiki for more information on supported list of CAs.
              </div>
              <button class="ui basic right floated button" onclick="saveAutoRenewPolicy();"><i class="blue save icon"></i> Save Changes</button>
              <button id="renewSelectedButton" onclick="renewNow();" class="ui basic right floated disabled button"><i class="yellow refresh icon"></i> Renew Selected</button>
              <br><br>
          </div>
      </div>
  </div>
  <div class="ui divider"></div>
  <h3>Generate New Certificate</h3>
  <p>Enter a new / existing domain(s) to request new certificate(s)</p>
  <div class="ui form">
    <div class="field">
      <label>Domain(s)</label>
      <input id="domainsInput" type="text" placeholder="example.com" onkeyup="checkIfInputDomainIsMultiple();">
      <small>If you have more than one domain in a single certificate, enter the domains separated by commas (e.g. s1.dev.example.com,s2.dev.example.com)</small>
    </div>
    <div class="field multiDomainOnly" style="display:none;">
      <label>Matching Rule</label>
      <input id="filenameInput" type="text" placeholder="Enter filename (no file extension)">
      <small>Matching rule to let Zoraxy pick which certificate to use (Also be used as filename). Usually is the longest common suffix of the entered addresses. (e.g. dev.example.com)</small>
    </div>
    <div class="field multiDomainOnly" style="display:none;">
      <button class="ui basic fluid button" onclick="autoDetectMatchingRules();">Auto Detect Matching Rule</button>
    </div>
    <div class="field">
      <label>Certificate Authority (CA)</label>
      <div class="ui selection dropdown" id="ca">
        <input type="hidden" name="ca">
        <i class="dropdown icon"></i>
        <div class="default text">Let's Encrypt</div>
        <div class="menu">
          <div class="item" data-value="Let's Encrypt">Let's Encrypt</div>
          <div class="item" data-value="Buypass">Buypass</div>
          <div class="item" data-value="ZeroSSL">ZeroSSL</div>
          <div class="item" data-value="Custom ACME Server">Custom ACME Server</div>
          <!-- <div class="item" data-value="Google">Google</div> -->
        </div>
      </div>
    </div>
    <div class="field" id="dnsChallenge">
      <div class="ui checkbox">
        <input type="checkbox" id="useDnsChallenge" onchange="toggleDnsChallenge()">
        <label>Use a DNS Challenge<br>
      </div>
    </div>
    <div class="field dnsChallengeOnly" style="display:none;">
      <label>DNS Provider</label>
      <div class="ui search selection dropdown" id="dnsProvider">
        <input type="hidden" name="dnsProvider" value="">
        <i class="dropdown icon"></i>
        <div class="default text">Pick a DNS Provider</div>
        <div class="menu" id="dnsProviderList">
          <!-- Auto populate moved to acmedns module and initDNSProviderList() -->
        </div>
      </div>
    </div>
    <div class="field dnsChallengeOnly" style="display:none;">
      <div class="ui divider"></div>
      <p>DNS Credentials (Leave all fields empty to use previous settings)<br>
      <small><i class="yellow exclamation triangle icon"></i> Note that domain DNS credentials are stored separately. For each new subdomain, you will need to enter a new DNS credentials.</small></p>
      <div id="dnsProviderAPIFields">

      </div>
      <!-- 
        <label>Credentials File Content</label>
        <textarea id="dnsCredentials" placeholder=""></textarea>
        <small>For more information on the supported DNS Providers and their attirbutes look <a href="https://go-acme.github.io/lego/dns/" target="_blank">here</a>! </small>
        <div class="ui negative message">
          <i class="icon exclamation triangle"></i>
          These credentials will be stored as plaintext in the database and in environment variables!
        </div>
      -->
    </div>
    <div class="field" id="caInput" style="display:none;">
      <label>ACME Server URL</label>
      <input id="caURL" type="text" placeholder="https://example.com/acme/dictionary">
    </div>
    <div class="field" id="kidInput" style="display:none;">
      <label>EAB Credentials (KID) for current provider</label>
      <input id="eab_kid" type="text" placeholder="Leave this field blank to keep the current configuration">
    </div>
    <div class="field" id="hmacInput" style="display:none;">
      <label>EAB HMAC Key for current provider</label>
      <input id="eab_hmac" type="text" placeholder="Leave this field blank to keep the current configuration">
    </div>
    <div class="field" id="skipTLS" style="display:none;">
      <div class="ui checkbox">
        <input type="checkbox" id="skipTLSCheckbox">
        <label>Ignore TLS/SSL Verification Error<br><small>E.g. self-signed, expired certificate (Not Recommended)</small></label>
      </div>
    </div>
    <button id="obtainButton" class="ui basic button" type="submit"><i class="yellow refresh icon"></i> Get Certificate</button>
  </div>
  <div class="ui divider"></div>
  <small>First time setting up HTTPS?<br>Try out our <a href="../tools/https.html" target="_blank">wizard</a></small>
  <button class="ui basic button"  style="float: right;" onclick="parent.hideSideWrapper();"><i class="remove icon"></i> Cancel</button>
  <br><br><br><br>
  </div>

  <script>
    let expiredDomains = [];
    let enableTrigerOnChangeEvent = true;
    $(".accordion").accordion();
    $(".dropdown").dropdown();
    $(".checkbox").checkbox();

    function setAutoRenewIfCASupportMode(useAutoMode = true){
      if (useAutoMode){
        $("#domainCertFileTable").addClass("disabled");
        $("#renewNowBtn").removeClass("disabled");
        $("#renewSelectedButton").addClass("disabled");
      }else{
        $("#domainCertFileTable").removeClass("disabled");
        $("#renewNowBtn").addClass("disabled");
        $("#renewSelectedButton").removeClass("disabled");
      }
    }

    function initRenewerConfigFromFile(){
      //Set the renew switch state
      $.get("/api/acme/autoRenew/enable", function(data){
        if (data == true){
          $("#enableCertAutoRenew").parent().checkbox("set checked");
        }

        $("#enableCertAutoRenew").on("change", function(){
          if (!enableTrigerOnChangeEvent){
            return;
          }
          toggleAutoRenew();
        })
      });

      //Load the email from server side
      $.get("/api/acme/autoRenew/email", function(data){
        if (data != "" && data != undefined && data != null){
          $("#caRegisterEmail").val(data);
        }
      });

      //Load the domain selection options
      $.get("/api/acme/autoRenew/renewPolicy", function(data){
        if (data == true){
          $("#renewAllSupported").parent().checkbox("set checked");
        }else{
          $("#renewAllSupported").parent().checkbox("set unchecked");
        }
      });
    }
    initRenewerConfigFromFile();

    function saveEmailToConfig(btn){
      $.ajax({
        url: "/api/acme/autoRenew/email",
        data: {set: $("#caRegisterEmail").val()},
        success: function(data){
          if (data.error != undefined){
            parent.msgbox(data.error, false, 5000);

          }else{
            parent.msgbox("Email updated");
            $(btn).html(`<i class="green check icon"></i>`);
            $(btn).addClass("disabled");
            setTimeout(function(){
              $(btn).html(`<i class="blue save icon"></i>`);
              $(btn).removeClass("disabled");
            }, 3000);
          }
        }
      });
    }

    function toggleAutoRenew(){
      var enabled = $("#enableCertAutoRenew").parent().checkbox("is checked");
      $.post("/api/acme/autoRenew/enable?enable=" + enabled, function(data){
        if (data.error){
          parent.msgbox(data.error, false, 5000);
          if (enabled){
            enableTrigerOnChangeEvent = false;
            $("#enableCertAutoRenew").parent().checkbox("set unchecked");
            enableTrigerOnChangeEvent = true;
          }
          if (parent && parent.setACMEEnableStates){
            parent.setACMEEnableStates(!enabled);
          }
        }else{
          $("#enableToggleSucc").stop().finish().fadeIn("fast").delay(3000).fadeOut("fast");
          if (parent && parent.setACMEEnableStates){
            parent.setACMEEnableStates(enabled);
          }
        }
      });

      
      
    }

    //Render the domains table that exists in this zoraxy host
    function renderDomainTable(domainFileList) {
      // Get the table body element
      var tableBody = $('#domainTableBody');
      
      // Clear the table body
      tableBody.empty();
      
      // Iterate over the domain names
      var counter = 0;
      for (const [srcfile, domains] of Object.entries(domainFileList)) {

        // Create a table row
        var row = $('<tr>');
        
        // Create the domain name cell
        var domainClass = "validDomain";
        for (var i = 0; i < domains.length; i++){
          let thisDomain = domains[i];
          if (expiredDomains.includes(thisDomain)){
            domainClass = "expiredDomain";
          }
        }
       
        var domainCell = $('<td class="' + domainClass  +'">').html(domains.join("<br>"));
        row.append(domainCell);

        var srcFileCell = $('<td>').text(srcfile);
        row.append(srcFileCell);
        
        // Create the auto-renew checkbox cell
        let domainsEncoded = encodeURIComponent(JSON.stringify(domains));
        var checkboxCell = $(`<td domain="${domainsEncoded}" srcfile="${srcfile}">`);
        var checkbox = $(`<input name="${srcfile}">`).attr('type', 'checkbox');
        checkboxCell.append(checkbox);
        row.append(checkboxCell);
        
        // Add the row to the table body
        tableBody.append(row);

        counter++;
      }

      if (Object.keys(domainFileList).length == 0){
        //No certificate in this system
        tableBody.append(`<tr>
          <td colspan="3"><i class="ui green circle check icon"></i> No certificate in use</td>
        </tr>`);
      }
    }

    //Initiate domain table. If you needs to update the expired domain as well
    //call from initDomainFileList() instead
    function initDomainTable(){
      $.get("/api/cert/listdomains?compact=true", function(data){
        if (data.error != undefined){
          parent.msgbox(data.error, false);
        }else{
          renderDomainTable(data);
        }
        initAutoRenewPolicy();
      })
    }

    function initDomainFileList() {
      $.ajax({
        url: "/api/acme/listExpiredDomains",
        method: "GET",
        success: function(response) {
          // Render domain table
          expiredDomains = response.domain;
          initDomainTable();
          //renderDomainTable(response.domain);
        },
        error: function(error) {
          console.log("Failed to fetch expired domains:", error);
        }
      });
    }
    initDomainFileList();

    // Button click event handler for obtaining certificate
    $("#obtainButton").click(function() {
      $("#obtainButton").addClass("loading").addClass("disabled");
      updateCertificateEAB(function(succ){
        if (succ){
          //Continue to next step
          updateCertificateDNS(function(succ){
            if (succ){
              obtainCertificate(function(succ){
                $("#obtainButton").removeClass("loading").removeClass("disabled");
              });
            }else{
              $("#obtainButton").removeClass("loading").removeClass("disabled");
              console.log("update Certificate DNS process halted");
            }
          });
        }else{
          console.log("Update Certificate EAB process halted");
          $("#obtainButton").removeClass("loading").removeClass("disabled");
        }
      });
      
      
    });

    //On CA change in dropdown
    $("input[name=ca]").on('change', function() {
      if(this.value == "Custom ACME Server") {
        $("#caInput").show();
        $("#kidInput").show();
        $("#hmacInput").show();
        $("#skipTLS").show();
        $("#dnsChallenge").hide();
        $(".dnsChallengeOnly").hide();
      } else if (this.value == "ZeroSSL") {
        $("#kidInput").show();
        $("#hmacInput").show();
        $("#dnsChallenge").hide();
        $(".dnsChallengeOnly").hide();
        $("#skipTLS").hide();
      } else if (this.value == "Buypass") {
        $("#kidInput").show();
        $("#hmacInput").show();
        $("#dnsChallenge").hide();
        $(".dnsChallengeOnly").hide();
        $("#skipTLS").hide();
      }else {
        $("#caInput").hide();
        $("#skipTLS").hide();
        $("#kidInput").hide();
        $("#hmacInput").hide();
        $("#dnsChallenge").show();
        if ($("#useDnsChallenge")[0].checked){
          $(".dnsChallengeOnly").show();
        }
        
      }
    })

    //On DNS provider dropdown change
    $("input[name=dnsProvider]").on('change', function() {
      let newProviderName = $("#dnsProvider").find("input").val();
      $.get("/api/acme/dns/providers?name=" + newProviderName, function(data){
        console.log("Loaded required config", data);
        $("#dnsProviderAPIFields").html("");
        //Generate a form for this config
        let booleanFieldsHTML = "";
        for (const [key, datatype] of Object.entries(data)) {
          if (datatype == "int"){
            $("#dnsProviderAPIFields").append(`<div class="ui fluid labeled dnsConfigField input" key="${key}" style="margin-top: 0.2em;">
              <div class="ui basic blue label" style="font-weight: 300;">
                ${key}
              </div>
              <input type="number" value="300">
            </div>`);
          }else if (datatype == "bool"){
             booleanFieldsHTML += (`<div class="ui checkbox dnsConfigField" key="${key}" style="margin-top: 1em !important; padding-left: 0.4em;">
              <input type="checkbox">
              <label>${key}</label>
            </div>`);
          }else{
            //Default to string
            $("#dnsProviderAPIFields").append(`<div class="ui fluid labeled input dnsConfigField" key="${key}" style="margin-top: 0.2em;">
              <div class="ui basic label" style="font-weight: 300;">
                ${key}
              </div>
              <input type="text">
            </div>`);
          }
        }

        //Append the boolean fields at the bottom, if exists
        $("#dnsProviderAPIFields").append(booleanFieldsHTML);
        if (booleanFieldsHTML != ""){
          $(".dnsConfigField.checkbox").checkbox();
        }
      });
    });

    // Get filename form domains and input
    function getFilename() {
      var domains = $("#domainsInput").val();
      var filename = $("#filenameInput").val();
      if (filename.trim() == "" && !domains.includes(",")){
        //Zoraxy filename are the matching name for domains.
        //Use the same as domains
        filename = domains;
      }else if (filename != "" && !domains.includes(",")){
        //Invalid settings. Force the filename to be same as domain
        //if there are only 1 domain
        filename = domains;
      }else if (filename == "" && domains.includes(",")){
        parent.msgbox("Filename cannot be empty for certs containing multiple domains.", false, 5000);
        $("#obtainButton").removeClass("loading").removeClass("disabled");
        return;
      }

      //Filename cannot contain wildcards, and wildcards are possible with DNS challenges
      filename = filename.replace("*", "_");
      return filename;
    }
      

    // Update EAB values for autorenewal
    function updateCertificateEAB(callback=undefined) {
      var ca = $("#ca").dropdown("get value");
      var caURL = "";
      if (ca == "Custom ACME Server") {
        ca = "custom";
        caURL = $("#caURL").val();
      }else if(ca == "Buypass") {
        caURL = "https://api.buypass.com/acme/directory";
      }else if(ca == "ZeroSSL") {
        caURL = "https://acme.zerossl.com/v2/DV90";
      }

      if(caURL == "") {
        //Skip update
        if (callback != undefined){
          callback(true);
        }
        return;
      }

      var kid = $("#eab_kid").val();
      var hmac = $("#eab_hmac").val();
      
      if(kid == "" || hmac == "") {
        //Skip update
        if (callback != undefined){
          callback(true);
        }
        return;
      }

      console.log(caURL + " " + kid + " " + hmac);

      $.ajax({
        url: "/api/acme/autoRenew/setEAB",
        method: "GET",
        data: {
          acmeDirectoryURL: caURL,
          kid: kid,
          hmacEncoded: hmac,
        },
        success: function(response) {
          //$("#obtainButton").removeClass("loading").removeClass("disabled");
          if (response.error) {
            console.log("Error:", response.error);
            // Show error message
            parent.msgbox(response.error, false, 12000);
            if (callback != undefined){
              callback(false);
            }
          } else {
            console.log("Certificate EAB updated successfully");
            // Show success message
            parent.msgbox("Certificate EAB updated successfully");
            
            // Renew the parent certificate list
            parent.initManagedDomainCertificateList();
            if (callback != undefined){
              callback(true);
            }
          }
        },
        error: function(error) {
          //$("#obtainButton").removeClass("loading").removeClass("disabled");
          console.log("Failed to update EAB configuration:", error);
          parent.msgbox("Failed to update EAB configuration");
          if (callback != undefined){
              callback(false);
            }
        }
      });
    }

    //Read DNS credential from form and generate a key value structure that looks like
    // the old DNSCredential TextArea input
    
    function readDnsCredentials(){
      let dnsCredentials = {};
      $(".dnsConfigField").each(function(){
        let thisKey = $(this).attr("key");
        let value = "";
        if ($(this).hasClass("checkbox")){
          //Boolean option
          let checked = $(this).find("input")[0].checked;
          dnsCredentials[thisKey] = checked;
        }else{
          //String or int options
          let value = $(this).find("input").val().trim();
          dnsCredentials[thisKey] = value;
        }
      });
      
      return dnsCredentials;
    }

    // Update DNS values for autorenewal
    function updateCertificateDNS(callback=undefined) {
      var dns = $("#useDnsChallenge")[0].checked;
      var dnsProvider = "";
      var dnsCredentials = "";

      if (!dns) {
        if (callback != undefined){
          callback(true);
        }
        return;
      }

      //Check if all fields is empty. If yes, do not update the config
      let allFieldsEmpty = true;
      $(".dnsConfigField").each(function(){
        if ($(this).find("input").val().trim() != ""){
          allFieldsEmpty = false;
        }
      });
      if (allFieldsEmpty){
        //Do not update config on server side
        if (callback != undefined){
          callback(true);
        }
        return;
      }

      dnsProvider = $("#dnsProvider").dropdown("get value");

      //dnsCredentials = $("#dnsCredentials").val();
      dnsCredentials = readDnsCredentials();

      if(dnsProvider == "") {
        parent.msgbox("DNS Provider cannot be empty", false, 5000);
        $("#obtainButton").removeClass("loading").removeClass("disabled");
        if (callback != undefined){
          callback(false);
        }
        return;
      }

      var filename = getFilename();
      if (filename == '') {
        parent.msgbox("Domain to renew cannot be empty", false, 5000);
        if (callback != undefined){
          callback(false);
        }
        return;
      }

      $.ajax({
        url: "/api/acme/autoRenew/setDNS",
        method: "POST",
        data: {
          filename: filename,
          dnsProvider: dnsProvider,
          dnsCredentials: JSON.stringify(dnsCredentials),
        },
        success: function(response) {
          //$("#obtainButton").removeClass("loading").removeClass("disabled");
          if (response.error) {
            console.log("Error:", response.error);
            // Show error message
            parent.msgbox(response.error, false, 12000);
            if (callback != undefined){
              callback(false);
            }
          } else {
            console.log("Certificate DNS Credentials updated successfully");
            // Show success message
            parent.msgbox("Certificate DNS Credentials updated successfully");
            if (callback != undefined){
              callback(true);
            }
          }
        },
        error: function(error) {
          //$("#obtainButton").removeClass("loading").removeClass("disabled");
          console.log("Failed to update DNS configuration:", error);
          parent.msgbox("Failed to update DNS configuration");
          if (callback != undefined){
            callback(false);
          }
        }
      });
    }

    // Obtain certificate from API
    function obtainCertificate(callback=undefined) {
      var domains = $("#domainsInput").val();
      var filename = getFilename();
      if (filename == '') {
        if (callback != undefined){
          parent.msgbox("Domain to obtain certificate cannot be empty", false)
          callback(false);
        }
        return;
      }
      var email = $("#caRegisterEmail").val();
      if (email == ""){
        parent.msgbox("ACME renew email is not set", false)
        if (callback != undefined){callback(false);}
        return;
      }
    
      
      var ca = $("#ca").dropdown("get value");
      var caURL = "";
      if (ca == "Custom ACME Server") {
        ca = "custom";
        caURL = $("#caURL").val();
      }

      
      var dns = $("#useDnsChallenge")[0].checked;
      var skipTLSValue = $("#skipTLSCheckbox")[0].checked;

      $.ajax({
        url: "/api/acme/obtainCert",
        method: "GET",
        data: {
          domains: domains,
          filename: filename,
          email: email,
          ca: ca,
          caURL: caURL,
          skipTLS: skipTLSValue,
          dns: dns,
        },
        success: function(response) {
          $("#obtainButton").removeClass("loading").removeClass("disabled");
          if (response.error) {
            console.log("Error:", response.error);
            // Show error message
            parent.msgbox(response.error, false, 12000);
            if (callback != undefined){callback(false);}
          } else {
            console.log("Certificate renewed successfully");
            // Show success message
            parent.msgbox("Certificate renewed successfully");
            
            // Renew the parent certificate list
            parent.initManagedDomainCertificateList();

            if (callback != undefined){callback(true);}
          }
        },
        error: function(error) {
          $("#obtainButton").removeClass("loading").removeClass("disabled");
          console.log("Failed to renewed certificate:", error);
          if (callback != undefined){callback(false);}
        }
      });
    }

    function checkIfInputDomainIsMultiple(){
      var inputDomains = $("#domainsInput").val();
      if (inputDomains.includes(",")){
        $(".multiDomainOnly").show();
      }else{
        $(".multiDomainOnly").hide();
      }
    }

    function toggleDnsChallenge(){
      if ( $("#useDnsChallenge")[0].checked){
        $(".dnsChallengeOnly").show();
      }else{
        $(".dnsChallengeOnly").hide();
      }
    }

    //Grab the longest common suffix of all domains
    //not that smart technically
    function autoDetectMatchingRules(){
      var domainsString = $("#domainsInput").val();
      if (!domainsString.includes(",")){
        return domainsString;
      }

      let domains = domainsString.split(",");

      //Clean out any spacing between commas
      for (var i = 0; i < domains.length; i++){
        domains[i] = domains[i].trim();
      }

      function getLongestCommonSuffix(strings) {
        if (strings.length === 0) {
          return ''; // Return an empty string if the array is empty
        }

        var sortedStrings = strings.slice().sort(); // Create a sorted copy of the array

        var firstString = sortedStrings[0];
        var lastString = sortedStrings[sortedStrings.length - 1];

        var suffix = '';
        var minLength = Math.min(firstString.length, lastString.length);

        for (var i = 0; i < minLength; i++) {
          if (firstString[firstString.length - 1 - i] !== lastString[lastString.length - 1 - i]) {
            break; // Stop iterating if characters don't match
          }
          suffix = firstString[firstString.length - 1 - i] + suffix;
        }

        return suffix;
      }

      let longestSuffix = getLongestCommonSuffix(domains);

      //Check if the suffix is a valid domain
      if (longestSuffix.substr(0,1) == "."){
        //Trim off the first dot
        longestSuffix = longestSuffix.substr(1);
      }

      if (!longestSuffix.includes(".")){
        parent.msgbox("Auto Detect failed: Multiple Domains", false, 5000);
        return;
      }
      $("#filenameInput").val(longestSuffix);
    }

    //Handle the renew now btn click
    function renewNow(){
      $.get("/api/acme/autoRenew/renewNow", function(data){
        if (data.error != undefined){
          parent.msgbox(data.error, false, 6000);
        }else{
          parent.msgbox(data)
        }
      })
    }

    function initAutoRenewPolicy(){
      $.get("/api/acme/autoRenew/listDomains", function(data){
        if (data.error != undefined){
          parent.msgbox(data.error, false)
        }else{
          if (data[0] == "*"){
            //Auto select and renew is enabled
            $("#renewAllSupported").parent().checkbox("set checked");
          }else{
            //This is a list of domain files
            data.forEach(function(name) {
              $('#domainTableBody input[type="checkbox"][name="' + name + '"]').prop('checked', true);
            });
            $("#domainCertFileTable").removeClass("disabled");
            $("#renewNowBtn").addClass("disabled");
            $("#renewSelectedButton").removeClass("disabled");
          }
        }
      })
    }

    function saveAutoRenewPolicy(){
      let autoRenewAll = $("#renewAllSupported").parent().checkbox("is checked");
      if (autoRenewAll == true){
        $.ajax({
          url: "/api/acme/autoRenew/setDomains",
          data: {opr: "setAuto"},
          success: function(data){
            parent.msgbox("Renew policy rule updated")
          }
        });
      }else{
        let checkedNames = [];
        $('#domainTableBody input[type="checkbox"]:checked').each(function() {
          checkedNames.push($(this).attr('name'));
        });

        $.ajax({
          url: "/api/acme/autoRenew/setDomains",
          data: {opr: "setSelected", domains: JSON.stringify(checkedNames)},
          success: function(data){
            parent.msgbox("Renew policy rule updated")
          }
        });
      }
    }

    //Load the json map and create the dropdown for DNS provider names
    let dnsProviderNameMap = {};
    function initDNSProviderList(){
      $.get("dnsnames.json", function(namemap){
        dnsProviderNameMap = namemap;
        //Load a list of supported DNS provider from backend
        $("#dnsProviderList").html("");
        $.get("/api/acme/dns/providers", function(providerList){
          providerList.sort();
          providerList.forEach(providerid => {
            let providerName = providerid;
            if (dnsProviderNameMap[providerid] != undefined){
              providerName = dnsProviderNameMap[providerid];
            }
            $("#dnsProviderList").append(`<div class="item" data-value="${providerid}">${providerName}</div>`);
          });
          $("#dnsProvider").dropdown();
          setTimeout(function(){
            //The dropdown is large, it takes some time to load
            $("#dnsProvider").dropdown("set selected", "cloudflare");
          }, 300)
          
        });
      });
    }
    initDNSProviderList();
    

    //Clear up the input field when page load
    $("#filenameInput").val("");
  </script>
</body>
</html>