hashbro
105 lines
2.6 KiB
PHP
105 lines
2.6 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Model;
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class PageVisit extends Model
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{
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public $timestamps = false;
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protected $fillable = [
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'channel_id',
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'client_uid',
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'session_id',
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'user_agent',
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'os',
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'os_version',
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'browser',
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'browser_version',
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'ip',
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'domain',
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'referer',
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'created_at',
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];
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protected function casts(): array
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{
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return [
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'created_at' => 'datetime',
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];
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}
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public static function normalizeDomain(?string $value): ?string
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{
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$value = trim((string) $value);
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if ($value === '') {
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return null;
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}
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$value = preg_replace('#^https?://#i', '', $value) ?? $value;
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$value = explode('/', $value, 2)[0];
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$value = strtolower(rtrim($value));
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if ($value === '' || ! str_contains($value, '.')) {
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return null;
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}
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return substr($value, 0, 255);
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}
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public const VISITOR_UID_LENGTH = 16;
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/**
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* Stable visitor id: same domain+ip always yields the same 16-hex value.
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*/
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public static function visitorUid(?string $domain, ?string $ip): string
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{
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$domainKey = self::normalizeDomain($domain) ?? strtolower(trim((string) $domain));
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$ipKey = self::normalizeIp($ip);
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return substr(hash('sha256', $domainKey."\0".$ipKey), 0, self::VISITOR_UID_LENGTH);
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}
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/**
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* Unwrap IPv4-mapped IPv6 (`::ffff:1.2.3.4` → `1.2.3.4`) and canonicalize.
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*/
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public static function normalizeIp(?string $ip): string
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{
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$ip = strtolower(trim((string) $ip));
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if ($ip === '') {
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return '';
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}
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if (str_starts_with($ip, '::ffff:')) {
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$mapped = substr($ip, 7);
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if (filter_var($mapped, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
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return $mapped;
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}
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}
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$packed = filter_var($ip, FILTER_VALIDATE_IP) ? inet_pton($ip) : false;
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if ($packed !== false) {
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$canon = inet_ntop($packed);
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if (is_string($canon) && $canon !== '') {
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return strtolower($canon);
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}
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}
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return $ip;
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}
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/**
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* @return list<string>
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*/
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public static function ipLookupKeys(?string $ip): array
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{
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$norm = self::normalizeIp($ip);
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if ($norm === '') {
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return [];
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}
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$keys = [$norm];
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if (filter_var($norm, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
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$keys[] = '::ffff:'.$norm;
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}
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return array_values(array_unique($keys));
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}
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}
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