33 lines
1.3 KiB
TypeScript
33 lines
1.3 KiB
TypeScript
/**
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* IP 归属地查询工具
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* 通过系统配置中的 IP 地理接口查询
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*/
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import { getSystemConfig } from '../admin/system-config.service';
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export async function lookupIpLocation(ip: string): Promise<string | null> {
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if (!ip || ip === '127.0.0.1' || ip === '::1' || ip.startsWith('192.168.') || ip.startsWith('10.')) {
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return null;
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}
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try {
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const apiId = getSystemConfig('ip_geo_api_id');
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const apiKey = getSystemConfig('ip_geo_api_key');
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if (!apiId || !apiKey) return null;
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const url = `https://cn.apihz.cn/api/ip/chaapi.php?id=${encodeURIComponent(apiId)}&key=${encodeURIComponent(apiKey)}&ip=${encodeURIComponent(ip)}&td=0`;
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const res = await fetch(url, { signal: AbortSignal.timeout(5000) });
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if (!res.ok) return null;
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const data = await res.json() as {
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code: number; sheng?: string; shi?: string; qu?: string;
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isp?: string; msg?: string; guo?: string;
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};
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if (data.code !== 200) return null;
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// Format: "四川 绵阳 江油 中国联通" — strip 省/市/区/州 suffixes for compact display
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const stripSuffix = (s: string | undefined) => s?.replace(/[省市州区]$/, '');
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const parts = [stripSuffix(data.sheng), stripSuffix(data.shi), stripSuffix(data.qu), data.isp].filter(Boolean);
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return parts.join(' ');
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} catch {
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return null;
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}
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}
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