tamakyi
3db3ce570a
已实现：HTTP/TCP/Banner 探测、90 天可用率、表格/卡片视图、 数据源过滤、UptimeRobot 双向兼容、服务端驱动的刷新节奏、 刷新接口滥用防护与信息泄露控制。
32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
const USER_AGENT = 'shiroko-monitor/0.2 (lightweight uptime panel)';
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export async function probeHttp(monitor) {
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const started = Date.now();
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const timeoutMs = (monitor.timeout ?? 10) * 1000;
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try {
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// redirect: manual —— 保留 3xx 原始状态码交给 expectStatus 判定，避免跟随重定向掩盖异常
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const res = await fetch(monitor.url, {
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method: monitor.method || 'GET',
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redirect: 'manual',
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signal: AbortSignal.timeout(timeoutMs),
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headers: { 'user-agent': USER_AGENT, accept: '*/*' },
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});
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const latency = Date.now() - started;
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const expect = monitor.expectStatus ?? [200];
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const ok = expect.includes(res.status);
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return {
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status: ok ? 'up' : 'down',
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latency,
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code: res.status,
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detail: ok ? `HTTP ${res.status}` : `HTTP ${res.status}（期望 ${expect.join('/')}）`,
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};
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} catch (err) {
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const latency = Date.now() - started;
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let detail;
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if (err.name === 'TimeoutError') detail = `请求超时（>${timeoutMs / 1000}s）`;
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else if (err.cause?.code) detail = err.cause.code;
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else detail = err.message;
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return { status: 'down', latency, code: 0, detail };
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}
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}
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