From 88aea719ad3a7b43aa5f8efea5ef1aa19e281a6f Mon Sep 17 00:00:00 2001
From: patrickkfkan <patrickkfkan@gmail.com>
Date: Sat, 23 Jan 2021 00:38:15 +0800
Subject: [PATCH] parseAlbumInfo(): handle relative track urls

---
 lib/parser.js | 6 +++++-
 lib/utils.js  | 8 +++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/parser.js b/lib/parser.js
index 6502b18..f941248 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -181,10 +181,14 @@ function parseAlbumInfo(html, opts) {
                 return file;
             }
             basic.track.itemListElement.forEach( track => {
+                let trackUrl = track.item.url;
+                if (!utils.isAbsoluteUrl(trackUrl)) {
+                    trackUrl = utils.getUrl(trackUrl, album.url);
+                }
                 album.tracks.push({
                     position: track.position,
                     name: track.item.name,
-                    url: track.item.url,
+                    url: trackUrl,
                     duration: track.item.duration_secs,
                     streamUrl: _getStreamUrl(track.item.url)
                 });
diff --git a/lib/utils.js b/lib/utils.js
index 0ed0274..72e57d1 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -108,6 +108,11 @@ function stripMultipleWhitespaces(str) {
     return str.replace(/\s+/g, ' ');
 }
 
+function isAbsoluteUrl(url) {
+    const isAbsolute = new RegExp('^([a-z]+://|//)', 'i');
+    return isAbsolute.test(url);
+}
+
 module.exports = { 
     getUrl,
     getSiteUrl,
@@ -120,5 +125,6 @@ module.exports = {
     substrBefore,
     splitUrl,
     getSearchUrl,
-    stripMultipleWhitespaces
+    stripMultipleWhitespaces,
+    isAbsoluteUrl
 };
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