How to hide the source?

Question

In contact with

https://vk.com/dev/wall.post
How to do something when posting on behalf of your group, the picture was posted on my behalf, and did not lead to the public page where did I get the picture from?

Answer 1

you need to download the photo yourself and upload it
through the api for uploading, start reading from here
https://vk.com/dev/upload_files
then
https://vk.com/dev/photos.getUploadServer