hashbro
76 lines
1.8 KiB
PHP
76 lines
1.8 KiB
PHP
<?php
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namespace App\Support;
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use Illuminate\Http\Request;
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/**
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* Cloudflare CF-IPCountry: ISO 3166-1 alpha-2, plus T1 (Tor) and XX (unknown).
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*/
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final class CfIpCountry
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{
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public static function fromRequest(Request $request): ?string
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{
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return self::normalize($request->headers->get('CF-IPCountry'));
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}
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public static function normalize(?string $raw): ?string
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{
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$code = strtoupper(trim((string) $raw));
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if ($code === 'T1') {
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return 'T1';
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}
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if (preg_match('/^[A-Z]{2}$/', $code) !== 1) {
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return null;
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}
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return $code;
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}
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public static function label(?string $code): string
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{
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$code = self::normalize($code);
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if ($code === null) {
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return '';
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}
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return self::names()[$code] ?? $code;
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}
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/** @return array<string, string> */
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public static function names(): array
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{
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return [
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'AE' => '阿联酋',
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'AU' => '澳大利亚',
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'BR' => '巴西',
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'CA' => '加拿大',
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'CN' => '中国',
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'DE' => '德国',
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'ES' => '西班牙',
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'FR' => '法国',
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'GB' => '英国',
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'HK' => '香港',
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'ID' => '印尼',
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'IN' => '印度',
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'IT' => '意大利',
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'JP' => '日本',
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'KR' => '韩国',
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'MO' => '澳门',
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'MY' => '马来西亚',
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'NL' => '荷兰',
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'PH' => '菲律宾',
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'RU' => '俄罗斯',
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'SA' => '沙特',
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'SG' => '新加坡',
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'TH' => '泰国',
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'TR' => '土耳其',
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'TW' => '台湾',
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'US' => '美国',
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'VN' => '越南',
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'T1' => 'Tor',
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'XX' => '未知',
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];
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}
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}
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