chore: 日志输出增加订阅的来源 User-Agent

backend/src/utils/user-agent.js

@@ -0,0 +1,47 @@
+export function getUserAgentFromHeaders(headers) {
+    const keys = Object.keys(headers);
+    let UA = '';
+    let ua = '';
+    for (let k of keys) {
+        if (/USER-AGENT/i.test(k)) {
+            UA = headers[k];
+            ua = UA.toLowerCase();
+            break;
+        }
+    }
+    return { UA, ua };
+}
+export function getPlatformFromUserAgent({ ua, UA }) {
+    if (UA.indexOf('Quantumult%20X') !== -1) {
+        return 'QX';
+    } else if (UA.indexOf('Surfboard') !== -1) {
+        return 'Surfboard';
+    } else if (UA.indexOf('Surge Mac') !== -1) {
+        return 'SurgeMac';
+    } else if (UA.indexOf('Surge') !== -1) {
+        return 'Surge';
+    } else if (UA.indexOf('Decar') !== -1 || UA.indexOf('Loon') !== -1) {
+        return 'Loon';
+    } else if (UA.indexOf('Shadowrocket') !== -1) {
+        return 'Shadowrocket';
+    } else if (UA.indexOf('Stash') !== -1) {
+        return 'Stash';
+    } else if (
+        ua === 'meta' ||
+        (ua.indexOf('clash') !== -1 && ua.indexOf('meta') !== -1)
+    ) {
+        return 'ClashMeta';
+    } else if (ua.indexOf('clash') !== -1) {
+        return 'Clash';
+    } else if (ua.indexOf('v2ray') !== -1) {
+        return 'V2Ray';
+    } else if (ua.indexOf('sing-box') !== -1) {
+        return 'sing-box';
+    } else {
+        return 'JSON';
+    }
+}
+export function getPlatformFromHeaders(headers) {
+    const { UA, ua } = getUserAgentFromHeaders(headers);
+    return getPlatformFromUserAgent({ ua, UA });
+}