Move anonymizeIp function to utils.js & add tests

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/utils.js b/lib/utils.js
index a53ea05b8..3033c1e94 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -85,3 +85,20 @@ function padRight(name, len) {
 }
 
 exports.padRight = padRight;
+
+// Removes last 3 octets for IPv6 and last octet for IPv4
+// There's probably a better way to do this
+function anonymizeIp(ip) {
+    if (ip.includes('localhost')) {
+        return ip;
+    }
+    else if (ip.includes(':')) {
+        // IPv6
+        return ip.replace(/:[\da-fA-F]{0,4}:[\da-fA-F]{0,4}:[\da-fA-F]{0,4}$/, ':0:0:0');
+    } else {
+        // IPv4
+        return ip.replace(/\.\d{1,3}$/, '.0');
+    }
+}
+
+exports.anonymizeIp = anonymizeIp;