NineAI 2.4.2

dist/common/utils/getClientIp.js

@@ -0,0 +1,43 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getClientIp = void 0;
+function getClientIp(request) {
+    let ipAddress = '';
+    const headerList = [
+        'X-Client-IP',
+        'X-Real-IP',
+        'X-Forwarded-For',
+        'CF-Connecting-IP',
+        'True-Client-IP',
+        'X-Cluster-Client-IP',
+        'Proxy-Client-IP',
+        'WL-Proxy-Client-IP',
+        'HTTP_CLIENT_IP',
+        'HTTP_X_FORWARDED_FOR',
+    ];
+    for (const header of headerList) {
+        const value = request.headers[header];
+        if (value && typeof value === 'string') {
+            const ips = value.split(',');
+            ipAddress = ips[0].trim();
+            break;
+        }
+    }
+    if (!ipAddress) {
+        ipAddress = request.connection.remoteAddress || '';
+    }
+    if (ipAddress && ipAddress.includes('::')) {
+        const isLocal = /^(::1|fe80(:1)?::1(%.*)?)$/i.test(ipAddress);
+        if (isLocal) {
+            ipAddress = '';
+        }
+        else if (ipAddress.includes('::ffff:')) {
+            ipAddress = ipAddress.split(':').pop() || '';
+        }
+    }
+    if (!ipAddress || !/\d+\.\d+\.\d+\.\d+/.test(ipAddress)) {
+        ipAddress = '';
+    }
+    return ipAddress;
+}
+exports.getClientIp = getClientIp;