Unable to add local file as a list

[hoshsadiq]

Prerequisites

Please answer the following questions for yourself before submitting an issue. YOU MAY DELETE THE PREREQUISITES SECTION.

• [x] I am running the latest version
• [x] I checked the documentation and found no answer
• [x] I checked to make sure that this issue has not already been filed

Issue Details

• Version of AdGuard Home server: 0.104.3
• How did you setup DNS configuration: IoT
• If it's a router or IoT, please write device model: Raspberry Pi 3 Model B
• Operating system and version: Raspbian GNU/Linux 10 (buster)

Expected Behavior

Create a block list in any location (in this case /tmp/block-my-hosts.txt) Add the file path through the UI using an absolute path It should be accepted

Actual Behavior

Error: control/filtering/add_url | Invalid URL or file path | 400

Additional Information

The issue seems to be here, however, looking at isValidUrl, it seems the only thing that can go wrong is when the file does not exist, but I've confirmed the it definitely does:

$ ls -la /tmp/block-my-hosts.txt
-rw-r--r-- 1 adguardhome adguardhome 0 Nov 28 09:49 /tmp/block-my-hosts.txt

[RiverKy]

Maybe you can try to run a web server like Nginx to serve the list file as a HTTP webpage.