From 65b87ef0201408c9d952e875852185e371995ba1 Mon Sep 17 00:00:00 2001
From: Phil Dominguez <142051477+phildominguez-gsa@users.noreply.github.com>
Date: Tue, 20 Feb 2024 09:21:40 -0500
Subject: [PATCH] Accepting capitalized file extensions in the frontend (#3421)

* Accepting capitalized file extensions

* Lowercasing string for extension check
---
 backend/audit/templates/audit/upload-report.html            | 2 +-
 .../templates/report_submission/upload-page.html            | 2 +-
 backend/static/js/upload-page.js                            | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/backend/audit/templates/audit/upload-report.html b/backend/audit/templates/audit/upload-report.html
index 0b7c2c8dcf..0fa69d6bf9 100644
--- a/backend/audit/templates/audit/upload-report.html
+++ b/backend/audit/templates/audit/upload-report.html
@@ -78,7 +78,7 @@ <h4 class="usa-process-list__heading">{% if already_submitted %}Re-upload{% else
                                    id="upload_report"
                                    id_test="upload-report__file-input"
                                    name="upload_report"
-                                   accept=".pdf"
+                                   accept=".pdf,.PDF"
                                    aria-describedby="file_input_upload_report"
                                    required
                                    type="file" />
diff --git a/backend/report_submission/templates/report_submission/upload-page.html b/backend/report_submission/templates/report_submission/upload-page.html
index 77ef4da896..6dbaf0e241 100644
--- a/backend/report_submission/templates/report_submission/upload-page.html
+++ b/backend/report_submission/templates/report_submission/upload-page.html
@@ -40,7 +40,7 @@ <h4 class="usa-process-list__heading margin-top-4">Upload completed worksheet</h
                                type="file"
                                name="file-input-{{ view_id }}-xlsx"
                                aria-describedby="file-input-{{ view_id }}-xlsx"
-                               accept=".xlsx" />
+                               accept=".xlsx,.XLSX" />
                     </div>
 
                     {% if already_submitted %}
diff --git a/backend/static/js/upload-page.js b/backend/static/js/upload-page.js
index 4254f6faa9..1e0d164e21 100644
--- a/backend/static/js/upload-page.js
+++ b/backend/static/js/upload-page.js
@@ -10,7 +10,7 @@ const already_submitted = document.getElementById(`already-submitted`); // Boole
 const file_input = document.getElementById(`file-input-${view_id}-xlsx`); // <input type="file">
 const info_box = document.getElementById(`info_box`); // <div>
 
-/* 
+/*
   Function definitions
 */
 // Disable/enable "Continue" button
@@ -80,7 +80,7 @@ function display_error_table(data) {
     // <a class="usa-link" href="${row_array[3]["link"]}">Link</a>
   }
 
-  const validationTable = `<p>Error on validation. Check the following cells for errors, and re-upload. 
+  const validationTable = `<p>Error on validation. Check the following cells for errors, and re-upload.
   Common errors include incorrect data types or missing information.</p>
   <table class="usa-table usa-table--striped">
     <thead>
@@ -111,7 +111,7 @@ function attachFileUploadHandler() {
         UPLOAD_URLS[current_url.pathname.split('/')[2]];
       if (!report_submission_url) throw 'No upload URL available.';
       if (!e.target.files[0]) throw 'No file selected.';
-      if (e.target.files[0].name.split('.').pop() !== 'xlsx')
+      if (e.target.files[0].name.split('.').pop().toLowerCase() !== 'xlsx')
         throw 'File type not accepted.';
 
       var body = new FormData();