From fbfd20c9653df82f7e459c9e1f8f327f03452860 Mon Sep 17 00:00:00 2001
From: James Magahern <james@magahern.com>
Date: Sat, 22 Feb 2025 02:04:05 -0800
Subject: [PATCH] invidiousAPI: handle slashes

---
 src/InvidiousAPI.ts | 2 +-
 src/server.ts       | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/InvidiousAPI.ts b/src/InvidiousAPI.ts
index 074f3bb..70ea031 100644
--- a/src/InvidiousAPI.ts
+++ b/src/InvidiousAPI.ts
@@ -32,7 +32,7 @@ export const getInvidiousSearchURL = (query: string): string =>
   `${INVIDIOUS_API_ENDPOINT}/search?q=${encodeURIComponent(query)}`;
 
 export const getInvidiousThumbnailURL = (url: string): string =>
-  `${INVIDIOUS_BASE_URL}${url}`;
+  `${INVIDIOUS_BASE_URL}/${url}`;
 
 const preferredThumbnailAPIURL = (thumbnails: InvidiousVideoThumbnail[] | undefined): string => {
   if (!thumbnails || thumbnails.length === 0) {
diff --git a/src/server.ts b/src/server.ts
index 3e852ef..0163faa 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -118,7 +118,8 @@ apiRouter.get("/thumbnail", withErrorHandling(async (req, res) => {
     }
 
     try {
-        const response = await fetch(getInvidiousThumbnailURL(thumbnailUrl));
+        const thumbnailUrlWithoutLeadingSlash = thumbnailUrl.startsWith('/') ? thumbnailUrl.slice(1) : thumbnailUrl;
+        const response = await fetch(getInvidiousThumbnailURL(thumbnailUrlWithoutLeadingSlash));
         if (!response.ok) {
             throw new Error(`HTTP error! status: ${response.status}`);
         }