restore github

public/update.php

@@ -0,0 +1,120 @@
+<?php
+include '../dbconfig.php';
+require '../vendor/aws.phar';
+
+use Aws\Route53\Route53Client;
+use Aws\Exception\AwsException;
+
+// Clean up logs older than 30 days
+$cleanup_sql = "CALL CleanupOldLogs()";
+if ($cleanup_stmt = $link->prepare($cleanup_sql)) {
+    $cleanup_stmt->execute();
+    $cleanup_stmt->close();
+}
+
+// Extract the hostname and IP from the request
+$ddns_fqdn = $_GET['hostname'];
+$myip = $_GET['myip'];
+$ddns_password = $_SERVER['PHP_AUTH_PW'];
+
+// Validate the request
+if (empty($ddns_fqdn) || empty($myip) || empty($ddns_password)) {
+    die("badauth");
+}
+
+// Fetch the DDNS entry from the database
+$sql = "SELECT id, ddns_fqdn, ddns_password, last_ipv4, ttl FROM ddns_entries WHERE ddns_fqdn = ? AND ddns_password = ?";
+if ($stmt = $link->prepare($sql)) {
+    $stmt->bind_param("ss", $ddns_fqdn, $ddns_password);
+    $stmt->execute();
+    $stmt->store_result();
+
+    if ($stmt->num_rows == 1) {
+        $stmt->bind_result($id, $ddns_fqdn, $ddns_password, $last_ipv4, $ttl);
+        $stmt->fetch();
+
+        // Check if the IP has changed
+        if ($last_ipv4 !== $myip) {
+            // Fetch AWS credentials from the database
+            $aws_sql = "SELECT region, access_key_id, secret_access_key, hosted_zone_id FROM aws_credentials LIMIT 1";
+            if ($aws_stmt = $link->prepare($aws_sql)) {
+                $aws_stmt->execute();
+                $aws_stmt->store_result();
+                $aws_stmt->bind_result($region, $access_key_id, $secret_access_key, $hosted_zone_id);
+                $aws_stmt->fetch();
+                $aws_stmt->close();
+
+                // Initialize the Route53 client
+                $route53 = new Route53Client([
+                    'version'     => 'latest',
+                    'region'      => $region,
+                    'credentials' => [
+                        'key'    => $access_key_id,
+                        'secret' => $secret_access_key,
+                    ],
+                ]);
+
+                // Prepare the DNS record update
+                $changeBatch = [
+                    'Changes' => [
+                        [
+                            'Action' => 'UPSERT',
+                            'ResourceRecordSet' => [
+                                'Name' => $ddns_fqdn,
+                                'Type' => 'A',
+                                'TTL'  => $ttl,
+                                'ResourceRecords' => [
+                                    [
+                                        'Value' => $myip,
+                                    ],
+                                ],
+                            ],
+                        ],
+                    ],
+                ];
+
+                try {
+                    // Update the DNS record in Route53
+                    $result = $route53->changeResourceRecordSets([
+                        'HostedZoneId' => $hosted_zone_id,
+                        'ChangeBatch' => $changeBatch,
+                    ]);
+
+                    // Update the database with the new IP
+                    $update_sql = "UPDATE ddns_entries SET last_ipv4 = ?, last_update = NOW() WHERE id = ?";
+                    if ($update_stmt = $link->prepare($update_sql)) {
+                        $update_stmt->bind_param("si", $myip, $id);
+                        $update_stmt->execute();
+                        $update_stmt->close();
+                    }
+
+                    // Log the action
+                    $action = 'update';
+                    $ip_address = $_SERVER['REMOTE_ADDR'];
+                    $details = "Updated IP: $myip";
+                    $log_sql = "INSERT INTO ddns_logs (ddns_entry_id, action, ip_address, details) VALUES (?, ?, ?, ?)";
+                    if ($log_stmt = $link->prepare($log_sql)) {
+                        $log_stmt->bind_param("isss", $id, $action, $ip_address, $details);
+                        $log_stmt->execute();
+                        $log_stmt->close();
+                    }
+
+                    echo "good"; // Success
+                } catch (AwsException $e) {
+                    echo "dnserror"; // DNS update failed
+                }
+            } else {
+                echo "badauth"; // AWS credentials not found
+            }
+        } else {
+            echo "nochg"; // IP hasn't changed
+        }
+    } else {
+        echo "badauth"; // Invalid DDNS credentials
+    }
+    $stmt->close();
+} else {
+    echo "badauth"; // Database error
+}
+$link->close();
+?>