hazelnoot,

Hey does anyone know if Misskey strips metadata from uploaded images? (boosts appreciated)

o76923,
@o76923@kitty.social avatar

@hazelnoot

Firefish strips it unless you have "keep original" toggled on. I'm not positive but I don't think Drive has been changed much since the fork so it probably works the same.

phoenix_fairy,
@phoenix_fairy@thetransagenda.gay avatar

@hazelnoot give me 10min and I can upload and compare

phoenix_fairy,
@phoenix_fairy@thetransagenda.gay avatar

@hazelnoot wait nvm, I have sharkey 🤦‍♀️

hazelnoot,

@phoenix_fairy that's fine, Sharkey uses the same image upload code.

phoenix_fairy,
@phoenix_fairy@thetransagenda.gay avatar

@hazelnoot Yeah, as I saw your react come through I realized that was probably the case. Will try now

phoenix_fairy,
@phoenix_fairy@thetransagenda.gay avatar

@hazelnoot So when using exiftool to compare.
when "keep original image" is checked, metadata is left intact, including GPS cordinates.

When it's not checked(the default) so that the image is converted to webp, all the metadata appears to be stripped

phoenix_fairy,
@phoenix_fairy@thetransagenda.gay avatar

@hazelnoot

(og and jpeg being the output of exiftool from the file still on my desk and the file downloaded back down)

diff  ogmetadata jpgmetadata 
2,3c2,3
< File Name                       : 24-03-11 15-47-18 0105.jpg
< Directory                       : ..
---
> File Name                       : b9885aa5-e6d2-41ba-a833-11ef685eff27.jpg
> Directory                       : .
5,7c5,7
< File Modification Date/Time     : 2024:03:11 15:48:32-04:00
< File Access Date/Time           : 2024:03:12 21:36:30-04:00
< File Inode Change Date/Time     : 2024:03:12 21:36:30-04:00
---
> File Modification Date/Time     : 2024:03:12 21:37:59-04:00
> File Access Date/Time           : 2024:03:12 21:38:57-04:00

and```
$ exiftool 6ac90ed7-451b-4e8e-961e-5423d619c208.webp
ExifTool Version Number : 12.40
File Name : 6ac90ed7-451b-4e8e-961e-5423d619c208.webp
Directory : .
File Size : 469 KiB
File Modification Date/Time : 2024:03:12 21:38:08-04:00
File Access Date/Time : 2024:03:12 21:38:28-04:00
File Inode Change Date/Time : 2024:03:12 21:38:28-04:00
File Permissions : -rw-rw-r--
File Type : WEBP
File Type Extension : webp
MIME Type : image/webp
VP8 Version : 0 (bicubic reconstruction, normal loop)
Image Width : 2048
Horizontal Scale : 0
Image Height : 1536
Vertical Scale : 0
Image Size : 2048x1536
Megapixels : 3.1

hazelnoot,

@phoenix_fairy nice, thank you so much!

phoenix_fairy,
@phoenix_fairy@thetransagenda.gay avatar

@hazelnoot welcome!

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