Bug with UTF-8 encoding on labels and AutoTools

[phene]

Please complete the following tasks.

• Web browser cache cleared
• Link provided to install script if applicable
• Not using broken rtinst install script
• Web browser, ruTorrent, PHP and OS version provided

Tell us about your environment

Web Browser: Firefox 113.0.2 (64-bit) (also occurs in Chrome)
ruTorrent - v4.0-stable
PHP: PHP 8.1.7
OS: Ubuntu 22.10

Tell us how you installed ruTorrent

not relevent

Describe the bug

Re-using an existing label with UTF-8 characters causes the string to be re-encoded incorrectly. This combined with AutoTools causes the folder that the data is written into to change.

Steps to reproduce

1. Configure AutoTools to move files into a folder based on the label name
2. Add torrent and assign the label 엄마.
3. Observe that the file is saved into a folder called 엄마

 "엄마".bytes
 => [236, 151, 132, 235, 167, 136]

4. Add a new torrent and assign the existing 엄마 label to it.
5. Observe that the new file is saved into a folder called 엄마, with the following bytes.

"엄마".bytes
 => [225, 132, 139, 225, 133, 165, 225, 134, 183, 225, 132, 134, 225, 133, 161]

6. Observe that the formatting of the Korean characters is not correct.
   

Note: the oddly encoded string does not survive copy-paste into the browser, but does in and out of a terminal.

Expected behavior

I would expect the string for the label to stay the same in order to consistently put the content in the same folder.

Additional context

No response

[stickz]

Is this bug reproduceable on version 4.1.6? There were some changes made to labels in version 4.1.

As a side note, the latest v4.1.6 branch release is significantly more stable than v4.0. It's undesirable to still be using v4.0.

[phene]

I've reproduced this in 4.1.6.

[stickz]

It looks like the UTF-8 encoding is being lost. I will implement a new utility function to convert back to UTF-8. Target is v4.2.

    function url_encode($string){
        return rawurlencode(mb_convert_encoding($string, "UTF-8", "auto"));
    }
    
    function url_decode($string){
        return mb_convert_encoding(rawurldecode($string), "UTF-8", "auto"));
    }

[stickz]

I've reproduced this in 4.1.6.

Are you able to reproduce this bug in v4.2.2? The autotools plugin converts to UTF-8 now, when encoding and decoding URLs.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.