Send notifications via pushover

[Keitz]

I will send a jpeg file attachments with pushover. But I do not know how.
Can anybody help me ?

i have tried this : 
local data_str = 'token=****************&user=*******************&device=gsm&message=snapshot.jpeg&attachment=' .. image .. '&title=LogicMachine&sound=bike&priority=0'

local res, code, headers, status = ssl.https.request(pushover_url, data_str)
 
I receive a message with an icon of a image but no my image is not there.

this is info from pushover :
other HTTP headers]

Content-Type: multipart/form-data; boundary=--abcdefg



----abcdefg

Content-Disposition: form-data; name="user"



[ your Pushover user key ]

----abcdefg

Content-Disposition: form-data; name="token"



[ your Pushover API token ]

----abcdefg

Content-Disposition: form-data; name="message"



your message here

----abcdefg

Content-Disposition: form-data; name="attachment"; filename="your_image.jpg"

Content-Type: image/jpeg



[ raw binary data of image file here ]
----abcdefg--