hashbro
146 lines
4.5 KiB
PHP
146 lines
4.5 KiB
PHP
<?php
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namespace App\Support;
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/**
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* Lightweight UA → OS / browser fields for page-visit grouping.
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*/
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final class UserAgentParser
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{
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/**
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* @return array{os: string, os_version: string, browser: string, browser_version: string}
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*/
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public static function parse(?string $ua): array
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{
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$ua = trim((string) $ua);
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if ($ua === '') {
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return [
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'os' => 'Unknown',
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'os_version' => '',
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'browser' => 'Unknown',
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'browser_version' => '',
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];
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}
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[$os, $osVersion] = self::parseOs($ua);
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[$browser, $browserVersion] = self::parseBrowser($ua);
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// iOS 26+ Safari still reports "iPhone OS 18_7" for compatibility.
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// When Version/ is 26+ and the OS token is 18.7, use Version/ for both fields.
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$compatVersion = self::ios26CompatVersion($ua);
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if ($compatVersion !== null && self::isIos187CompatToken($os, $osVersion)) {
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$osVersion = $compatVersion;
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$browserVersion = $compatVersion;
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}
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return [
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'os' => $os,
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'os_version' => $osVersion,
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'browser' => $browser,
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'browser_version' => $browserVersion,
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];
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}
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private static function isIos187CompatToken(string $os, string $osVersion): bool
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{
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if (! in_array($os, ['iOS', 'iPadOS'], true)) {
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return false;
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}
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return $osVersion === '18.7' || str_starts_with($osVersion, '18.7.');
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}
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private static function ios26CompatVersion(string $ua): ?string
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{
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if (! preg_match('/Version\/(\d+(?:\.\d+){0,2})/i', $ua, $m)) {
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return null;
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}
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$major = (int) explode('.', $m[1])[0];
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if ($major < 26) {
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return null;
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}
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return $m[1];
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}
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/**
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* @return array{0: string, 1: string}
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*/
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private static function parseOs(string $ua): array
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{
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if (preg_match('/iPhone OS (\d+)[._](\d+)(?:[._](\d+))?/i', $ua, $m)
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|| preg_match('/CPU OS (\d+)[._](\d+)(?:[._](\d+))?.*like Mac OS X/i', $ua, $m)) {
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$ver = $m[1].'.'.$m[2].(isset($m[3]) && $m[3] !== '' ? '.'.$m[3] : '');
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return ['iOS', $ver];
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}
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if (preg_match('/iPad.*OS (\d+)[._](\d+)/i', $ua, $m)) {
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return ['iPadOS', $m[1].'.'.$m[2]];
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}
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if (preg_match('/Android (\d+(?:\.\d+){0,2})/i', $ua, $m)) {
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return ['Android', $m[1]];
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}
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if (preg_match('/Windows NT (\d+\.\d+)/i', $ua, $m)) {
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$map = [
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'10.0' => '10/11',
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'6.3' => '8.1',
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'6.2' => '8',
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'6.1' => '7',
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];
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return ['Windows', $map[$m[1]] ?? $m[1]];
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}
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if (preg_match('/Mac OS X (\d+)[._](\d+)(?:[._](\d+))?/i', $ua, $m)) {
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$ver = $m[1].'.'.$m[2].(isset($m[3]) && $m[3] !== '' ? '.'.$m[3] : '');
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return ['macOS', $ver];
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}
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if (preg_match('/Linux/i', $ua)) {
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return ['Linux', ''];
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}
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return ['Unknown', ''];
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}
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/**
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* @return array{0: string, 1: string}
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*/
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private static function parseBrowser(string $ua): array
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{
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// Order matters: more specific tokens first (iOS Chrome/Firefox/Edge before Safari).
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$rules = [
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['CriOS', 'Chrome'],
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['Chrome', 'Chrome'],
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['EdgiOS', 'Edge'],
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['Edg/', 'Edge'],
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['FxiOS', 'Firefox'],
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['Firefox', 'Firefox'],
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['OPT/', 'Opera'],
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['OPiOS', 'Opera'],
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['Opera', 'Opera'],
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['SamsungBrowser', 'Samsung'],
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['UCBrowser', 'UC'],
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['Version/', 'Safari'], // Safari reports Version/x before Safari/
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['Safari', 'Safari'],
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];
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foreach ($rules as [$token, $name]) {
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if ($token === 'Version/' && ! preg_match('/Safari/i', $ua)) {
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continue;
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}
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if ($token === 'Safari' && preg_match('/CriOS|FxiOS|EdgiOS|Chrome|Android/i', $ua)) {
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continue;
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}
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$pattern = $token === 'Version/' || str_ends_with($token, '/')
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? '/'.preg_quote(rtrim($token, '/'), '/').'\/(\d+(?:\.\d+){0,2})/i'
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: '/'.preg_quote($token, '/').'[\/\s]?(\d+(?:\.\d+){0,2})?/i';
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if (preg_match($pattern, $ua, $m)) {
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return [$name, $m[1] ?? ''];
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}
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}
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return ['Unknown', ''];
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}
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}
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