72 lines
1.4 KiB
PHP
72 lines
1.4 KiB
PHP
<?php
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/**
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* DNS MX Record Lookup API
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* Endpoint: /dns-tools-get-mx-record
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* Method: POST
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* Content-Type: application/json
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*/
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header('Content-Type: application/json; charset=utf-8');
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// Allow only POST
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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http_response_code(405);
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echo json_encode([
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'success' => false,
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'message' => 'Only POST method allowed'
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]);
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exit;
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}
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// Read JSON input
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$input = json_decode(file_get_contents('php://input'), true);
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$domain = $input['domain'] ?? '';
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// Domain validation
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function validateDomain(string $domain): bool
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{
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return (bool) preg_match(
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'/^(?!-)(?:[a-zA-Z0-9-]{1,63}\.)+[a-zA-Z]{2,}$/',
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$domain
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);
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}
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if (!$domain || !validateDomain($domain)) {
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http_response_code(400);
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echo json_encode([
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'success' => false,
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'message' => 'Invalid domain'
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]);
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exit;
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}
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// Fetch MX records
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$records = dns_get_record($domain, DNS_MX);
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$mxRecords = [];
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if ($records !== false) {
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foreach ($records as $record) {
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$mxRecords[] = [
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'host' => $record['target'] ?? '',
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'priority' => $record['pri'] ?? null
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];
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}
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}
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// Response
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if (empty($mxRecords)) {
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echo json_encode([
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'success' => false,
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'domain' => $domain,
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'message' => 'No MX records found',
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'records' => []
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]);
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exit;
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}
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echo json_encode([
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'success' => true,
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'domain' => $domain,
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'records' => $mxRecords
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]);
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