Cloudflare Batch Edit

cloudflare_batch.php

<?php
// Form a list of all CF IP zones
// For each zone, grab all A records and TXT records matching $oldip
// For each matching record, update it to the new IP address

$authemail = "YOU@YOUREMAIL.COM";
$authkey   = "YOURCLOUDFLAREAPIKEY";

// Old IP address to find
$oldip     = "ooo.ooo.ooo.ooo";

// New IP address to replace the old one with
$newip     = "nnn.nnn.nnn.nnn";

// Function to fetch DNS records for a zone using pagination
function fetchDNSRecords($zoneid, $page, $per_page) {
    global $authemail, $authkey;
    $ch = curl_init("https://api.cloudflare.com/client/v4/zones/$zoneid/dns_records?page=$page&per_page=$per_page");
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'X-Auth-Email: ' . $authemail,
        'X-Auth-Key: ' . $authkey,
        'Content-Type: application/json'
    ));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $response = curl_exec($ch);
    curl_close($ch);
    $r = json_decode($response, true);
    return $r['result'];
}

// Function to update a DNS record
function updateDNSRecord($dns) {
    global $authemail, $authkey;
    $ch = curl_init("https://api.cloudflare.com/client/v4/zones/" . $dns['zone_id'] . "/dns_records/" . $dns['id']);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'X-Auth-Email: ' . $authemail,
        'X-Auth-Key: ' . $authkey,
        'Content-Type: application/json'
    ));
    $data_string = json_encode($dns);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT");
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $response = curl_exec($ch);
    curl_close($ch);
    $r = json_decode($response, true);
    return $r;
}

// Function to fetch zone data using pagination
function fetchZones($page, $per_page) {
    global $authemail, $authkey;
    $ch = curl_init("https://api.cloudflare.com/client/v4/zones?page=$page&per_page=$per_page&match=all");
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'X-Auth-Email: ' . $authemail,
        'X-Auth-Key: ' . $authkey,
        'Content-Type: application/json'
    ));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $response = curl_exec($ch);
    curl_close($ch);
    $r = json_decode($response, true);
    return $r['result'];
}

$page = 1; // Starting page for zones
$per_page = 50; // Number of zones per page

do {
    $zones = fetchZones($page, $per_page);

    foreach ($zones as $zone) {
        $zoneid   = $zone['id'];
        $zonename = $zone['name'];
        echo "Zone: $zonename, Zone ID: $zoneid\n";

        $dns_page = 1; // Starting page for DNS records
        do {
            $dns_records = fetchDNSRecords($zoneid, $dns_page, $per_page);

            foreach ($dns_records as $dns) {
                if (preg_match("/$oldip/", $dns['content'])) {
                    // OK! Change this DNS record.
                    $newcontent = preg_replace("/$oldip/", $newip, $dns['content']);
                    echo "  - DNS Record ID: {$dns['id']}, Type: {$dns['type']}, Name: {$dns['name']}\n";
                    echo "    Old Content: {$dns['content']}\n";
                    echo "    New Content: $newcontent\n";

                    // Swap the content then
                    $dns['content'] = $newcontent;
                    $result = updateDNSRecord($dns);
                    echo "    Update Result: ";
                    print_r($result);
                    echo "\n";
                }
            }

            $dns_page++; // Move to the next page of DNS records
        } while (count($dns_records) > 0); // Continue until no more DNS records found on the current page
        echo "\n";
    }

    $page++; // Move to the next page of zones
} while (count($zones) > 0); // Continue until no more zones found on the current page
?>