From d870ed44220224ff15fdfe0fb1d0f5d3890718fb Mon Sep 17 00:00:00 2001
From: amalej <alejandroalejandre15@gmail.com>
Date: Tue, 16 Dec 2025 06:55:50 +0800
Subject: [PATCH] fix getDownloadURL permission error when connected to
 emulator

---
 src/storage/index.ts | 9 ++++++++-
 src/storage/utils.ts | 4 +++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/storage/index.ts b/src/storage/index.ts
index 2638192690..797e4beea0 100644
--- a/src/storage/index.ts
+++ b/src/storage/index.ts
@@ -75,7 +75,14 @@ export async function getDownloadURL(file: File): Promise<string> {
   const endpoint =
     (process.env.STORAGE_EMULATOR_HOST ||
       'https://firebasestorage.googleapis.com') + '/v0';
-  const { downloadTokens } = await getFirebaseMetadata(endpoint, file);
+  const headers = process.env.STORAGE_EMULATOR_HOST
+    ? { Authorization: 'Bearer owner' }
+    : undefined;
+  const { downloadTokens } = await getFirebaseMetadata(
+    endpoint,
+    file,
+    headers
+  );
   if (!downloadTokens) {
     throw new FirebaseError({
       code: 'storage/no-download-token',
diff --git a/src/storage/utils.ts b/src/storage/utils.ts
index bb6711521b..7c885b49c9 100644
--- a/src/storage/utils.ts
+++ b/src/storage/utils.ts
@@ -19,7 +19,8 @@ export interface FirebaseMetadata {
 
 export function getFirebaseMetadata(
   endpoint: string,
-  file: File
+  file: File,
+  headers?: { [key: string]: string }
 ): Promise<FirebaseMetadata> {
   const uri = `${endpoint}/b/${file.bucket.name}/o/${encodeURIComponent(
     file.name
@@ -30,6 +31,7 @@ export function getFirebaseMetadata(
       {
         method: 'GET',
         uri,
+        headers,
       },
       (err, body) => {
         if (err) {