CIPA Web Filter for Education

const API_URL = 'https://webfilteringdatabase.com/api/moderate.php';
const API_KEY = 'YOUR_API_KEY';

const BLOCKED_K12 = new Set([
    'Adult Content', 'Gambling', 'Violence',
    'Drugs', 'Weapons', 'VPN/Proxy', 'Malware'
]);

async function checkSchoolAccess(domain) {
    const res = await fetch(API_URL, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ api_key: API_KEY, query: domain })
    });
    const data = await res.json();

    const violations = (data.categories || [])
        .filter(c => BLOCKED_K12.has(c));
    if (violations.length) {
        return { action: 'BLOCK', reason: violations.join(', ') };
    }
    return { action: 'ALLOW', reason: data.primary_category };
}

['khanacademy.org', 'youtube.com', 'tiktok.com', 'gambling-site.xyz']
    .forEach(async d => {
        const r = await checkSchoolAccess(d);
        console.log(`${r.action}: ${d} — ${r.reason}`);
    });

# Check if a domain is safe for student access
curl -X POST "https://webfilteringdatabase.com/api/moderate.php" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_API_KEY",
    "query": "khanacademy.org"
  }'

# Response: {"primary_category":"Education", "risk_level":"low"}

# Check a video platform
curl -X POST "https://webfilteringdatabase.com/api/moderate.php" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_API_KEY",
    "query": "youtube.com"
  }'

# Response: {"primary_category":"Streaming Media", "risk_level":"low"}

# Check a social media domain
curl -X POST "https://webfilteringdatabase.com/api/moderate.php" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_API_KEY",
    "query": "tiktok.com"
  }'

# Response: {"primary_category":"Social Media", "risk_level":"low"}

# Check a gambling domain
curl -X POST "https://webfilteringdatabase.com/api/moderate.php" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_API_KEY",
    "query": "gambling-site.xyz"
  }'

# Response: {"primary_category":"Gambling", "risk_level":"high"}

<?php
$apiUrl = 'https://webfilteringdatabase.com/api/moderate.php';
$apiKey = 'YOUR_API_KEY';
$blockedK12 = ['Adult Content', 'Gambling', 'Violence', 'Drugs', 'Malware'];

function checkSchoolAccess($domain, $apiUrl, $apiKey, $blocked) {
    $ch = curl_init($apiUrl);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
        'api_key' => $apiKey,
        'query'   => $domain
    ]));
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $result = json_decode(curl_exec($ch), true);
    curl_close($ch);

    $violations = array_intersect($result['categories'] ?? [], $blocked);
    if (!empty($violations)) {
        return ['BLOCK', implode(', ', $violations)];
    }
    return ['ALLOW', $result['primary_category'] ?? 'Unknown'];
}

$domains = ['khanacademy.org', 'youtube.com', 'tiktok.com', 'gambling-site.xyz'];
foreach ($domains as $d) {
    [$action, $reason] = checkSchoolAccess($d, $apiUrl, $apiKey, $blockedK12);
    echo "$action: $d — $reason\n";
}
?>