From 58d48a061ed2d31ba9d4cd74b684964f324f09b4 Mon Sep 17 00:00:00 2001
From: Kasper Seweryn <github@wvffle.net>
Date: Fri, 16 Jun 2023 17:55:05 +0000
Subject: [PATCH] fix(embed): fix crash when API returns relative URL

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2493>
---
 changes/changelog.d/2163.bugfix | 1 +
 front/public/embed.html         | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 changes/changelog.d/2163.bugfix

diff --git a/changes/changelog.d/2163.bugfix b/changes/changelog.d/2163.bugfix
new file mode 100644
index 000000000..aea770317
--- /dev/null
+++ b/changes/changelog.d/2163.bugfix
@@ -0,0 +1 @@
+Fixed embedded player crash when API returns relative listen URL. (#2163)
\ No newline at end of file
diff --git a/front/public/embed.html b/front/public/embed.html
index 6a3ee100f..2d13aee3b 100644
--- a/front/public/embed.html
+++ b/front/public/embed.html
@@ -73,7 +73,13 @@
       // NOTE: Add a transcoded MP3 src at the end for browsers
       //       that do not support other codecs to be able to play it :)
       if (sources.length > 0 && !sources.some(({ mimetype }) => mimetype === 'audio/mpeg')) {
-        const url = new URL(sources[0].listen_url)
+        const source = sources[0].listen_url
+        const url = new URL(source.test(/^https?:/) 
+          ? source 
+          : source[0] === '/'
+            ? `${baseUrl}${source}`
+            : `${baseUrl}/${source}`
+        )
         url.searchParams.set('to', 'mp3')
         sources.push({ mimetype: 'audio/mpeg', listen_url: url.toString() })
       }