On 6/21/2014 10:52 AM, Dung Nguyen wrote:
> hmm, seem something wrong... i had log the data and upload here :
>
> https://www.dropbox.com/sh/g5nqod16tic7gdb/AADb17Klw0vXFux7iX8HGlhGa
>
> if curl sent exactly the post field then maybe i did sent wrong format
> to flickr
>
>
> 2014-06-21 19:31 GMT+07:00 Daniel Stenberg <daniel_at_haxx.se
> <mailto:daniel_at_haxx.se>>:
>
> On Sat, 21 Jun 2014, Dung Nguyen wrote:
>
> i write a small application to upload to flickr i jz handle
> "multipart/form-data" post data my self and give to curl via
> CURLOPT_POSTFIELDS
>
> however when post flickr always return <err code="4"
> msg="Filesize was
> zero" />
>
>
> Then you probably didn't format the data the way the receiver
> expected it.
>

Have you read the upload api:
https://www.flickr.com/services/api/upload.api.html

Also you can try a web debugging proxy like fiddler so you can see what
is sent to flickr. For example I just tried a browser upload in Firefox
and here is what was sent:

POST https://up.flickr.com/services/upload/ HTTP/1.1
[Other headers]

-----------------------------3592247124213
Content-Disposition: form-data; name="batch_id"

23
-----------------------------3592247124213
Content-Disposition: form-data; name="async"

1
-----------------------------3592247124213
Content-Disposition: form-data; name="api_key"

[Key]
-----------------------------3592247124213
Content-Disposition: form-data; name="auth_hash"

[Hash]
-----------------------------3592247124213
Content-Disposition: form-data; name="chronic_rehab"

1
-----------------------------3592247124213
Content-Disposition: form-data; name="is_family"

0
-----------------------------3592247124213
Content-Disposition: form-data; name="is_friend"

0
-----------------------------3592247124213
Content-Disposition: form-data; name="is_public"

0
-----------------------------3592247124213
Content-Disposition: form-data; name="file_number"

1
-----------------------------3592247124213
Content-Disposition: form-data; name="photo"; filename="Filename.jpg"
Content-Type: image/jpeg

[JPEG data]
-----------------------------3592247124213
Content-Disposition: form-data; name="safety_level"

1
-----------------------------3592247124213
Content-Disposition: form-data; name="content_type"

1
-----------------------------3592247124213
Content-Disposition: form-data; name="hidden"

1
-----------------------------3592247124213--

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Received on 2014-06-21