1975429 - Error when displaying image in b64

Status: RESOLVED FIXED

(DevTools :: Netmonitor, defect)

Description

[Paul Adenot (:padenot)]

Attachment: Screenshot from 2025-07-03 14-23-05.png

STR:

• Open https://phabricator.services.mozilla.com/D255827 w/ the network panel open
• Click on one of the b64 requests

Expected:

• We can see the image

Actual:

• The image is broken, some b64 is displayed (see screenshot attached)

Comment 1

[Julian Descottes [:jdescottes]]

base64 channels are handled at https://searchfox.org/mozilla-central/rev/16abc60460bd25e02750da8842a1e914bc738afb/devtools/shared/network-observer/NetworkUtils.sys.mjs#736-794

Comment 2

[Julian Descottes [:jdescottes]]

btoa should not be done in this case, the text is already a base64 string. Need to add a quick test case.

Comment 3

[Julian Descottes [:jdescottes]]

Attachment: Bug 1975429 - [devtools] Fix netmonitor response panel for data URL images

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/451a949d0336
https://hg.mozilla.org/integration/autoland/rev/b2fcad738dc1
[devtools] Fix netmonitor response panel for data URL images r=devtools-reviewers,bomsy

Comment 5

[amarc]

https://hg.mozilla.org/mozilla-central/rev/b2fcad738dc1