With PDF.js and some servers, it fails to fetch the PDF

[shlyakpavel]

Summary

When I open pdf.js demo in Ladybird, it fails to load the file https://mozilla.github.io/pdf.js/legacy/web/viewer.html

Operating system

macOS

Steps to reproduce

1. Open Ladybird
2. Navigate to https://mozilla.github.io/pdf.js/legacy/web/viewer.html
3. Observe

Expected behavior

It loads

Actual behavior

PDF file doesn't load

URL for a reduced test case

https://mozilla.github.io/pdf.js/legacy/web/viewer.html

HTML/SVG/etc. source for a reduced test case

N/A

Log output and (if possible) backtrace

2024-12-27 20:54:16.884 Ladybird[34125:4329662] +[IMKClient subclass]: chose IMKClient_Modern
2024-12-27 20:54:16.994 Ladybird[34125:4329662] +[IMKInputSession subclass]: chose IMKInputSession_Modern
371776.292 WebContent(34128): FIXME: Unimplemented Navigator.maxTouchPoints
371776.657 WebContent(34128): ResourceLoader: Failed load of: "https://mozilla.github.io/favicon.ico", Error: Load failed (status: 404 Not Found), Duration: 222ms
371777.148 WebContent(34128): Failed to post message: send: Broken pipe (errno=32)

Screenshots or screen recordings

Build flags or config settings

No response

Contribute a patch?

• I’ll contribute a patch for this myself.

[shlyakpavel]

A good thing to try is opening https://mozilla.github.io/pdf.js/legacy/web/viewer.html?file=//pdfobject.com/pdf/sample.pdf