File download doesn't work with basic authentication

[norabor]

Steps to reproduce

Webserver: Synology (Some apache version) Basic authentication is required (name/password) (means .htaccess is placed in web root) File download on iOS only downloads an html error page showing "401" and some error message, so I assume the saved authentication used while browsing my site is not used while downloading a file.

Expected behavior

File is downloaded as in safari

Actual behavior

File download on iOS only gives error pages showing "401" and some error message

Device & build information

• Device: iPad iOS 14.6.7,
• Build version: Firefox 36.0 (5732)
  1. Notes Attachments:

┆Issue is synchronized with this Jira Task

[Lekensteyn]

In #9119 and #11318 users were also reporting corrupted downloads (PDF files), most likely due to the lack of cookies when trying to download a linked file.

In this report, a download failed due to lack of credentials.

I have an additional case: when trying to download a file from a server with a self-signed certificate that was explicitly accepted, a download fails, presumably because it is running into a certificate validation error.

In all these cases, it appears that downloading does not respect the current session. This affects the following flows:

• Click a link in a directory index, e.g. to download a .zip file, and press the "Download Now" button.
• Long-press that link, select the "Download Link" option, and press the "Download Now" button.
• Long-press that link, select the "Share Link" option. This triggers a request attempt which fails with EOF on a Go net/http server secured with TLS. (Normally I would expect a "Save to Files" option here, but it is also missing. Potentially a separate issue.)

Reproduced in the latest Firefox 104.2 (17705) on an iPhone with iOS 16.0. Happens both in normal browsing mode, and private browsing mode.