From 1a977f0f62373cc53ef248f9ba901bbe43a01eb6 Mon Sep 17 00:00:00 2001
From: ClosedPort22 <44864697+ClosedPort22@users.noreply.github.com>
Date: Thu, 23 Mar 2023 19:57:13 +0800
Subject: [PATCH] [downloader:http] handle exceptions in 'validate'

This isn't strictly necessary for 'exhentai.py', but it improves
efficiency when the adapter is reused
---
 gallery_dl/downloader/http.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gallery_dl/downloader/http.py b/gallery_dl/downloader/http.py
index 59cd0ac0..b3f381ec 100644
--- a/gallery_dl/downloader/http.py
+++ b/gallery_dl/downloader/http.py
@@ -182,7 +182,11 @@ class HttpDownloader(DownloaderBase):
             # check for invalid responses
             validate = kwdict.get("_http_validate")
             if validate and self.validate:
-                result = validate(response)
+                try:
+                    result = validate(response)
+                except Exception:
+                    self.release_conn(response)
+                    raise
                 if isinstance(result, str):
                     url = result
                     tries -= 1