[Bug]: Problems viewing PDF attachments with non ASII characters in filename #739

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opened 2026-02-04 21:10:18 +03:00 by OVERLORD · 2 comments
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Originally created by @termlich on GitHub (Jun 19, 2025).

Where is the problem occurring?

I encountered the problem while using the application (Frontend)

What browsers are you seeing the problem on?

Chrome, Firefox, Safari

Current behavior

PDF attachments with non ASCII characters won't be displayed, i.a. "ü.pdf" or "ç.pdf". Although they could be uploaded. Tested with Safari, Chrome and Firefox on MacOS Sequoia.

Desired behavior

No response

Steps to reproduce

Take any PDF give it a name with non ASCII characters (I tested "ü.pdf" or "ç.pdf"), the attachments could be uploaded but you can't display them.

Other information

No response

Originally created by @termlich on GitHub (Jun 19, 2025). ### Where is the problem occurring? I encountered the problem while using the application (Frontend) ### What browsers are you seeing the problem on? Chrome, Firefox, Safari ### Current behavior PDF attachments with non ASCII characters won't be displayed, i.a. "ü.pdf" or "ç.pdf". Although they could be uploaded. Tested with Safari, Chrome and Firefox on MacOS Sequoia. ### Desired behavior _No response_ ### Steps to reproduce Take any PDF give it a name with non ASCII characters (I tested "ü.pdf" or "ç.pdf"), the attachments could be uploaded but you can't display them. ### Other information _No response_
Author
Owner

@meltyshev commented on GitHub (Jul 2, 2025):

Hi! Thanks for reporting this.

I tried to reproduce by uploading a PDF named "ü.pdf", and it loaded successfully on my end. It's possible there is a configuration or proxy server issue, or maybe I didn't fully understand the problem. Let me know if I missed something!

@meltyshev commented on GitHub (Jul 2, 2025): Hi! Thanks for reporting this. I tried to reproduce by uploading a PDF named "ü.pdf", and it loaded successfully on my end. It's possible there is a configuration or proxy server issue, or maybe I didn't fully understand the problem. Let me know if I missed something!
Author
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@termlich commented on GitHub (Jul 7, 2025):

Hi Maksim, thank you very, very much for taking care of #1219 as a bug.
In this issue you're probably right (it may be a problem of my nginx rev prox). I will check it soon and give you a feedback.

Thx Tilo

@termlich commented on GitHub (Jul 7, 2025): Hi Maksim, thank you very, very much for taking care of #1219 as a bug. In this issue you're probably right (it may be a problem of my nginx rev prox). I will check it soon and give you a feedback. Thx Tilo
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Reference: starred/planka#739