29 lines
1.0 KiB
PHP
29 lines
1.0 KiB
PHP
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<?php
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/** GET /api/geocode.php?zip=02763 — US ZIP centroid lookup for the manual campus search. */
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declare(strict_types=1);
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require_once __DIR__ . '/lib/bootstrap.php';
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require_once __DIR__ . '/lib/Validator.php';
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require_once __DIR__ . '/lib/RateLimit.php';
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require_once __DIR__ . '/lib/Geocode.php';
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Api::requireMethod('GET');
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$ip = Api::clientIp();
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$rl = RateLimit::hit(RateLimit::ipBucket('geocode', $ip), 40, 600);
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if (!$rl['allowed']) {
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Api::json(['ok' => false, 'error' => 'Too many searches. Please wait a moment.'], 429, ['Retry-After' => (string)$rl['retryAfter']]);
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}
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$zip = isset($_GET['zip']) ? preg_replace('/\D/', '', (string)$_GET['zip']) : '';
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$zip = substr((string)$zip, 0, 5);
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if (strlen($zip) !== 5) {
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Api::json(['ok' => false, 'error' => 'Enter a 5-digit ZIP code.'], 400);
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}
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$loc = Geocode::zip($zip);
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if (!$loc) {
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Api::json(['ok' => false, 'error' => "We couldn't find that ZIP. Try another or pick a campus below."], 200);
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}
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Api::json(['ok' => true, 'location' => $loc], 200, ['Cache-Control' => 'public, max-age=86400']);
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