Hi,
I was wondering if anybody has any pointers on what actually is
happening
under the hood in HTTP POST land, Are just the contents just
sent ?, or
encoded in some fashion. Or is just a
HTTP POST Header stuff
And then
Filename=<filename>&sendfile=<contents-of-file>
Just got my WWDC ticket so see you all there.
Thanks for any pointers
Mark.
------------------------------------------
Thanks for the pointers, Sorry I should have not been vague on my
api
reference but if I wanted to roll my own, as I had to revert to
writing my
own URL class to get around bugs in earlier OS releases using CF :-
(, I'm
hoping to throw this away in the next major release because mostly
everything which was an issue for us is now sorted
But in the meantime,
I've look at the rfc, and it wasn't 100% clear on what is needed
to do,
should I encode the file contents when I send it up, as was hoping
I could
just send the binary data, but I guess it won't be that straight
forward.
As the input tags just says
<input type='file' name='filename' id="filename" size='56'>
but I assume more than 56 bytes are actually uploaded though.
Thanks
Mark.
This is typically done with a POST or PUT HTTP request; the server
needs to be configured to handle the request, and the server
determines which kind of request is needed.
On the client side, you can either use NSURLRequest +
NSURLConnection
or CFHTTPMessage + CFHTTPStream to get the work done, depending on
which library you'd rather work with and what features you need.
The
NS classes require Objective-C and provide caching, automatic proxy
configuration, and authentication support. The CF pieces have no
Objective-C dependency and require some extra code to get proxies
and
authentication working. In either case, you just need to set the
request's method to POST (or PUT, depending on the server), and
then
supply the data to be uploaded. The uploaded data can be specified
either as data in memory or as a stream to be opened and read as
the
POST is transmitted.
Hope that helps,
REW
On Jun 26, 2006, at 10:04 AM, Mark Thomas wrote:
Hi,
Does anybody know, how you would go about uploading files to a
http server
programmatically. I understand via html page marking an input
field
as type
file, which is POST'ed via the action field.
I understand that all this does it load the file contents and
then
sets
this for the data of the field in the POST request - I think, does
this
sound right or am I missing something more basic here. Are there
also any
API's which do this as I see the basic ones, but nothing which is
file based
I think.
I need to do this as I need to upload a firmware file to router
which is
running a http server to receive the file and then apply it.
Thanks for any help and guidance.
Thanks
Mark.
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