Truncate emails in logs

index.js

@@ -2,7 +2,7 @@ import dotenv from 'dotenv'
 import Airtable from 'airtable'
 
 import loadCsv from './loadCsv'
-import { formatDate, isWithinPastNDays } from './util'
+import { formatDate, isWithinPastNDays, anonymizeEmail } from './util'
 
 dotenv.config()
 
@@ -14,6 +14,8 @@ const loopsCsvExportPath = 'dev_files/loops_export.csv'
 // process only the people who have lastEngagementAt in the past 365 days
 const onlyLastYear = true
 
+const truncateEmailsInLogs = true
+
 if (!airtableApiKey) {
   console.error('AIRTABLE_API_KEY must be set')
   process.exit(1)
@@ -89,7 +91,8 @@ let updateQueue = []
 let createQueue = []
 
 for (let row of loopsData) {
-  console.log(`  ${row.email}`)
+  let emailToLog = truncateEmailsInLogs ? anonymizeEmail(row.email) : row.email
+  console.log(`  ${emailToLog}`)
 
   if (row.userGroup != 'Hack Clubber') {
     console.log("    Skipping because not Hack Clubber")

util.js

@@ -16,4 +16,15 @@ export function isWithinPastNDays(date, n) {
   nDaysAgo.setDate(nDaysAgo.getDate() - n);  // Subtract n days from the current date
 
   return date >= nDaysAgo;
+}
+
+// zach@hackclub.com => zac*@hac*****.com
+export function anonymizeEmail(email) {
+  let [localPart, domain] = email.split('@');
+  let [baseDomain, tld] = domain.split('.');
+
+  localPart = localPart.length > 3 ? localPart.slice(0, 3) + '*'.repeat(localPart.length - 3) : localPart;
+  domain = baseDomain.length > 3 ? baseDomain.slice(0, 3) + '*'.repeat(baseDomain.length - 3) : baseDomain;
+
+  return `${localPart}@${domain}.${tld}`;
 }