From ce3248562bf9558de3844f4d15c6c9ef21cd15d2 Mon Sep 17 00:00:00 2001
From: Michael Zetterberg <michael.zetterberg@scandichotels.com>
Date: Tue, 27 Aug 2024 10:55:46 +0200
Subject: [PATCH] feat: mask date of birth

---
 server/routers/user/query.ts |  3 +++
 utils/maskValue.ts           | 12 ++++++++++--
 utils/maskvalue.test.ts      |  7 ++++++-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/server/routers/user/query.ts b/server/routers/user/query.ts
index bda5a8744..287ebee0b 100644
--- a/server/routers/user/query.ts
+++ b/server/routers/user/query.ts
@@ -331,6 +331,9 @@ export const userQueryRouter = router({
         user.address.zipCode = verifiedData.data.address?.zipCode
           ? maskValue.text(verifiedData.data.address.zipCode)
           : ""
+
+        user.dateOfBirth = maskValue.all(user.dateOfBirth)
+
         user.email = maskValue.email(user.email)
 
         user.phoneNumber = user.phoneNumber
diff --git a/utils/maskValue.ts b/utils/maskValue.ts
index 2f0f1bc75..7c3e0b50c 100644
--- a/utils/maskValue.ts
+++ b/utils/maskValue.ts
@@ -1,7 +1,11 @@
+function maskAll(str: string) {
+  return "*".repeat(str.length)
+}
+
 function maskAllButFirstChar(str: string) {
   const first = str[0]
   const rest = str.substring(1)
-  const restMasked = "*".repeat(rest.length)
+  const restMasked = maskAll(rest)
 
   return `${first}${restMasked}`
 }
@@ -9,7 +13,7 @@ function maskAllButFirstChar(str: string) {
 function maskAllButLastTwoChar(str: string) {
   const lastTwo = str.slice(-2)
   const rest = str.substring(0, str.length - 2)
-  const restMasked = "*".repeat(rest.length)
+  const restMasked = maskAll(rest)
 
   return `${restMasked}${lastTwo}`
 }
@@ -42,3 +46,7 @@ export function phone(str: string) {
 export function text(str: string) {
   return maskAllButFirstChar(str)
 }
+
+export function all(str: string) {
+  return maskAll(str)
+}
diff --git a/utils/maskvalue.test.ts b/utils/maskvalue.test.ts
index 28e55fa38..0b147286e 100644
--- a/utils/maskvalue.test.ts
+++ b/utils/maskvalue.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "@jest/globals"
 
-import { email, phone, text } from "./maskValue"
+import { all, email, phone, text } from "./maskValue"
 
 describe("Mask value", () => {
   test("masks e-mails properly", () => {
@@ -19,4 +19,9 @@ describe("Mask value", () => {
     expect(text("test")).toBe("t***")
     expect(text("test.with.dot")).toBe("t************")
   })
+
+  test("masks whole string properly", () => {
+    expect(all("test")).toBe("****")
+    expect(all("123jknasd@iajsd.c")).toBe("*****************")
+  })
 })