From c6ff74f166fe75d78f11ddda9010efa7cab4efbd Mon Sep 17 00:00:00 2001
From: Piyush Gupta <56182734+gupta-piyush19@users.noreply.github.com>
Date: Sat, 9 Mar 2024 12:17:37 +0530
Subject: [PATCH] fix: added sanitizeString util helper (#2209)

---
 packages/lib/response/util.ts | 5 +++--
 packages/lib/strings.ts       | 5 +++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/lib/response/util.ts b/packages/lib/response/util.ts
index 3c139d4f70..138b978253 100644
--- a/packages/lib/response/util.ts
+++ b/packages/lib/response/util.ts
@@ -18,6 +18,7 @@ import {
 } from "@formbricks/types/responses";
 import { TSurvey, TSurveyQuestionType } from "@formbricks/types/surveys";
 
+import { sanitizeString } from "../strings";
 import { getTodaysDateTimeFormatted } from "../time";
 import { evaluateCondition } from "../utils/evaluateLogic";
 
@@ -307,8 +308,8 @@ export const buildWhereClause = (filterCriteria?: TResponseFilterCriteria) => {
 };
 
 export const getResponsesFileName = (surveyName: string, extension: string) => {
-  // replacing / with : to avoid url issues
-  surveyName = surveyName.replaceAll("/", ":");
+  surveyName = sanitizeString(surveyName);
+
   const formattedDateString = getTodaysDateTimeFormatted("-");
   return `export-${surveyName.split(" ").join("-")}-${formattedDateString}.${extension}`.toLocaleLowerCase();
 };
diff --git a/packages/lib/strings.ts b/packages/lib/strings.ts
index a32eab2101..b9f35a70b5 100644
--- a/packages/lib/strings.ts
+++ b/packages/lib/strings.ts
@@ -24,3 +24,8 @@ export const truncateMiddle = (str: string, length: number) => {
   }
   return str;
 };
+
+// write a function that takes a string and removes all characters that could cause issues with the url and truncates it to the specified length
+export const sanitizeString = (str: string, delimiter: string = "_", length: number = 255) => {
+  return str.replace(/[^0-9a-zA-Z\-._]+/g, delimiter).substring(0, length);
+};