mirror of
https://github.com/pi-hole/web.git
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Added support for CNAME records add/remove
Signed-off-by: Matthias rank <development@m-rank.de>
This commit is contained in:
Matthias rank
@@ -0,0 +1,116 @@
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/* Pi-hole: A black hole for Internet advertisements
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* (c) 2017 Pi-hole, LLC (https://pi-hole.net)
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* Network-wide ad blocking via your own hardware.
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*
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* This file is copyright under the latest version of the EUPL.
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* Please see LICENSE file for your rights under this license. */
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var table;
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function showAlert(type, message) {
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var alertElement = null;
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var messageElement = null;
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switch (type) {
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case "info":
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alertElement = $("#alInfo");
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break;
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case "success":
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alertElement = $("#alSuccess");
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break;
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case "warning":
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alertElement = $("#alWarning");
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messageElement = $("#warn");
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break;
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case "error":
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alertElement = $("#alFailure");
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messageElement = $("#err");
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break;
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default:
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return;
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}
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if (messageElement !== null) messageElement.html(message);
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alertElement.fadeIn(200);
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alertElement.delay(8000).fadeOut(2000);
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}
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$(document).ready(function () {
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$("#btnAdd").on("click", addCustomCNAME);
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table = $("#customCNAMETable").DataTable({
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ajax: "scripts/pi-hole/php/customcname.php?action=get",
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columns: [{}, {}, { orderable: false, searchable: false }],
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columnDefs: [
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{
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targets: 2,
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render: function (data, type, row) {
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return (
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'<button class="btn btn-danger btn-xs deleteCustomCNAME" type="button" data-domain=\'' +
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row[0] +
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"' data-target='" +
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row[1] +
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"'>" +
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'<span class="far fa-trash-alt"></span>' +
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"</button>"
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);
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}
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}
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],
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drawCallback: function () {
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$(".deleteCustomCNAME").on("click", deleteCustomCNAME);
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}
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});
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// Disable autocorrect in the search box
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var input = document.querySelector("input[type=search]");
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input.setAttribute("autocomplete", "off");
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input.setAttribute("autocorrect", "off");
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input.setAttribute("autocapitalize", "off");
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input.setAttribute("spellcheck", false);
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});
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function addCustomCNAME() {
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var target = $("#target").val();
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var domain = $("#domain").val();
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showAlert("info");
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$.ajax({
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url: "scripts/pi-hole/php/customcname.php",
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method: "post",
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dataType: "json",
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data: { action: "add", target: target, domain: domain },
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success: function (response) {
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if (response.success) {
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showAlert("success");
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table.ajax.reload();
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} else showAlert("error", response.message);
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},
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error: function () {
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showAlert("error", "Error while adding this custom CNAME record");
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}
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});
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}
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function deleteCustomCNAME() {
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var target = $(this).attr("data-target");
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var domain = $(this).attr("data-domain");
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showAlert("info");
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$.ajax({
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url: "scripts/pi-hole/php/customcname.php",
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method: "post",
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dataType: "json",
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data: { action: "delete", domain: domain, target: target },
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success: function (response) {
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if (response.success) {
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showAlert("success");
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table.ajax.reload();
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} else showAlert("error", response.message);
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},
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error: function (jqXHR, exception) {
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showAlert("error", "Error while deleting this custom CNAME record");
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console.log(exception);
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}
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});
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}
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@@ -0,0 +1,141 @@
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<?php
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require_once "func.php";
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$customCNAMEFile = "/etc/dnsmasq.d/05-pihole-custom-cname.conf";
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switch ($_REQUEST['action'])
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{
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case 'get': echo json_encode(echoCustomCNAMEEntries()); break;
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case 'add': echo json_encode(addCustomCNAMEEntry()); break;
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case 'delete': echo json_encode(deleteCustomCNAMEEntry()); break;
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default:
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die("Wrong action");
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}
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function echoCustomCNAMEEntries()
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{
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$entries = getCustomCNAMEEntries();
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$data = [];
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foreach ($entries as $entry)
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$data[] = [ $entry->domain, $entry->target ];
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return [ "data" => $data ];
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}
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function getCustomCNAMEEntries()
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{
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global $customCNAMEFile;
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$entries = [];
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$handle = fopen($customCNAMEFile, "r");
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if ($handle)
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{
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while (($line = fgets($handle)) !== false) {
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$line = str_replace("cname=","", $line);
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$line = str_replace("\r","", $line);
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$line = str_replace("\n","", $line);
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$explodedLine = explode (",", $line);
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if (count($explodedLine) <= 1)
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continue;
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$data = new \stdClass();
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$data->domains = array_slice($explodedLine, 0, -1);
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$data->domain = implode(",", $data->domains);
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$data->target = $explodedLine[count($explodedLine)-1];
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$entries[] = $data;
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}
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fclose($handle);
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}
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return $entries;
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}
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function addCustomCNAMEEntry()
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{
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try
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{
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$target = !empty($_REQUEST['target']) ? $_REQUEST['target']: "";
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$domain = !empty($_REQUEST['domain']) ? $_REQUEST['domain']: "";
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if (empty($target))
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return errorJsonResponse("Target must be set");
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if (empty($domain))
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return errorJsonResponse("Domain must be set");
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// Check if each submitted domain is valid
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$domains = array_map('trim', explode(",", $domain));
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foreach ($domains as $d) {
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if (!is_valid_domain_name($d))
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return errorJsonResponse("Domain '$d' is not valid");
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}
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$existingEntries = getCustomCNAMEEntries();
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// Check if a record for one of the domains already exists
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foreach ($existingEntries as $entry)
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foreach ($domains as $d)
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if (in_array($d, $entry->domains))
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return errorJsonResponse("There is already a CNAME record for '$d'");
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exec("sudo pihole -a addcustomcname ".$domain." ".$target);
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return successJsonResponse();
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}
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catch (\Exception $ex)
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{
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return errorJsonResponse($ex->getMessage());
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}
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}
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function deleteCustomCNAMEEntry()
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{
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try
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{
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$target = !empty($_REQUEST['target']) ? $_REQUEST['target']: "";
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$domain = !empty($_REQUEST['domain']) ? $_REQUEST['domain']: "";
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if (empty($target))
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return errorJsonResponse("Target must be set");
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if (empty($domain))
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return errorJsonResponse("Domain must be set");
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$existingEntries = getCustomCNAMEEntries();
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$found = false;
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foreach ($existingEntries as $entry)
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if ($entry->domain == $domain)
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if ($entry->target == $target) {
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$found = true;
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break;
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}
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if (!$found)
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return errorJsonResponse("This domain/ip association does not exist");
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exec("sudo pihole -a removecustomcname ".$domain." ".$target);
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return successJsonResponse();
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}
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catch (\Exception $ex)
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{
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return errorJsonResponse($ex->getMessage());
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}
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}
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function successJsonResponse($message = "")
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{
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return [ "success" => true, "message" => $message ];
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}
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function errorJsonResponse($message = "")
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{
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return [ "success" => false, "message" => $message ];
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}
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?>
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@@ -608,10 +608,25 @@ if($auth) {
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</a>
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</li>
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<!-- Local DNS Records -->
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<li<?php if($scriptname === "dns_records.php"){ ?> class="active"<?php } ?>>
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<a href="dns_records.php">
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<i class="fa fa-address-book"></i> <span>Local DNS Records</span>
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</a>
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<li class="treeview <?php if(in_array($scriptname, array("dns_records.php", "cname_records.php"))){ ?>active<?php } ?>">
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<a href="#">
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<span class="pull-right-container">
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<i class="fa fa-angle-down pull-right" style="padding-right: 5px;"></i>
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</span>
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<i class="fa fa-address-book"></i> <span>Local DNS</span>
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</a>
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<ul class="treeview-menu">
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<li<?php if($scriptname === "dns_records.php"){ ?> class="active"<?php } ?>>
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<a href="dns_records.php">
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<i class="fa fa-address-book"></i> <span>DNS Records</span>
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</a>
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</li>
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<li<?php if($scriptname === "cname_records.php"){ ?> class="active"<?php } ?>>
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<a href="cname_records.php">
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<i class="fa fa-address-book"></i> <span>CNAME Records</span>
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</a>
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</li>
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</ul>
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</li>
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<!-- Logout -->
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<?php
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