[Bug]: range requests aren't working

[aeharding]

Requirements

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Summary

Pict-rs range requests aren't working. This is needed for video streaming.

Safari in particular fails to playback https://lt.harding.dev/pictrs/image/88aaf722-b9d5-4e72-88c4-63e5e9a1bc42.mp4 in a video element because the server doesn't support range requests.

Steps to Reproduce

1. Non-lemmy hosted file: curl -I -H "Range: bytes=0-1" https://pub-be81109990da4727bc7cd35aa531e6b2.r2.dev/safari-fails-to-playback.mp4
2. Observe 206 with correct reponse header Content-Range: bytes 0-1/5975596
3. Lemmy-pictrs-hosted file: curl -I -H "Range: bytes=0-1" https://lt.harding.dev/pictrs/image/88aaf722-b9d5-4e72-88c4-63e5e9a1bc42.mp4
4. Observe 200 with Content-Range not present

Technical Details

lt.harding.dev is running latest ansible config.

Version

0.19.8

Lemmy Instance URL

lt.harding.dev

[aeharding]

More info:

whatwg/html#7782 (comment)

https://git.asonix.dog/asonix/pict-rs/issues/78

https://bugs.webkit.org/show_bug.cgi?id=211323

[Nutomic]

Not sure what the problem is, Lemmy does forward the entire request including headers to pictrs, and returns all response headers. Can you check if the range request is working directly against pictrs? Also note that Lemmy doesnt support head requests.

sudo docker compose exec lemmy bash
curl -v -H "Range: bytes=0-1" http://pictrs:8080/image/original?alias=88aaf722-b9d5-4e72-88c4-63e5e9a1bc42.mp4 >/dev/null

[aeharding]

@Nutomic yes, here is the response:

aeharding@lt:/srv/lemmy/lt.harding.dev$ sudo docker compose exec lemmy bash
lemmy@lemmy:/$ curl -v -H "Range: bytes=0-1" http://pictrs:8080/image/original?alias=88aaf722-b9d5-4e72-88c4-63e5e9a1bc42.mp4 >/dev/null
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 172.18.0.5:8080...
* Connected to pictrs (172.18.0.5) port 8080 (#0)
> GET /image/original?alias=88aaf722-b9d5-4e72-88c4-63e5e9a1bc42.mp4 HTTP/1.1
> Host: pictrs:8080
> User-Agent: curl/7.88.1
> Accept: */*
> Range: bytes=0-1
>
< HTTP/1.1 206 Partial Content
< transfer-encoding: chunked
< cache-control: public, max-age=604800, immutable
< last-modified: Mon, 20 Jan 2025 23:31:03 GMT
< content-range: bytes 0-1/5975596
< content-type: video/mp4
< accept-ranges: bytes
< date: Mon, 27 Jan 2025 17:06:13 GMT
<
{ [12 bytes data]
100     2    0     2    0     0    234      0 --:--:-- --:--:-- --:--:--   250
* Connection #0 to host pictrs left intact