rebuild_secure_urls_image()

Re creates the signed url for the given image object.

Parameters:

• blob_name: path to the blob on the cloud providers's bucket

Description:

Re creates the signed url for the given image object.
This function is usually used in the context of an image url expiring<and needing to get a new url. The function will save the new url on the image.url_signed field and the thumbnail on image.url_signed_thumb

Returns:

string data of the downloaded blob