新增maxmind数据库本地判断国家，并且将优先级调整至最高

2026-06-14 15:29:29 +08:00
parent 72d388f642
commit eab59c1c18
17 changed files with 912 additions and 38 deletions
@@ -0,0 +1,42 @@
+<?php
+/**
+ * SHOW_SITE_COUNTRY 允许列表解析与比对
+ */
+class CountryAllowlist
+{
+    /**
+     * @param string $config 逗号分隔国家码，如 US,GB,CA
+     * @return string[]
+     */
+    public static function parse($config)
+    {
+        $config = strtoupper(trim((string) $config));
+        if ($config === '') {
+            return [];
+        }
+        $parts = preg_split('/\s*,\s*/', $config);
+        $out   = [];
+        foreach ($parts as $part) {
+            $part = trim($part);
+            if ($part !== '') {
+                $out[] = $part;
+            }
+        }
+        return array_values(array_unique($out));
+    }
+
+    /**
+     * @param string|null $countryCode
+     * @param string[]    $allowlist
+     */
+    public static function isAllowed($countryCode, array $allowlist)
+    {
+        if ($allowlist === []) {
+            return true;
+        }
+        if ($countryCode === null || $countryCode === '') {
+            return false;
+        }
+        return in_array(strtoupper($countryCode), $allowlist, true);
+    }
+}