Thiago, thanks for the tip. I did it by the first way by pre-authenticating before actually sending the file. For that I'm just requesting the headers through **head**. It works now as expected. Thanks again for the other useful info.
On Tue, Dec 1, 2015 at 11:39 AM, Thiago Macieira <[email protected]> wrote: > On Tuesday 01 December 2015 11:30:32 ashish dabhade wrote: > > To avoid that I also tested it by removing the authenticationRequired and > > passing username and password in the url as per basic auth specs. For eg. > > QUrl( "http://user:[email protected]/webdav/Media/somefile.mp4"; ). > > This too resulted the same behavior. > > QNetworkAccessManager needs to know which authentication method to use. It > can > only get that information after trying the server first. > > Try this: get, post or put something else in the same server, so you're > authenticated. I'm not sure if this works, but we can call this a missing > feature if it doesn't. > > > Also suppose the file is of large size say for eg. 300 Mb. wouldn't it be > > unnecessary to upload so much data twice ? > > It's a limitation of the HTTP protocol. QNAM can use the > > Expects: 100 > > header and the server MAY reply with an error message before the end of the > upload. But it's not a guarantee that it will, so QNAM has to try and > upload > everything. > > If you don't like this, try using a different protocol. > > > I tested the same scenario with the now deprecated **QHttp** class and to > > the surprise it uploaded the contents just once. > > If you don't try something first, QHttp will use Basic authentication, > which is > not secure (the password is sent in the clear). QNAM doesn't allow that: > you > need to get the authentication mechanisms first so that it will try the > most > secure option. > > > So if the above scenario is due to the design what would be the best way > to > > handle it ? For smaller files it is fine. I wanted to show the progress > bar > > for uploading which now fills up twice :) > > See above for two alternatives. > -- > Thiago Macieira - thiago.macieira (AT) intel.com > Software Architect - Intel Open Source Technology Center > > _______________________________________________ > Interest mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/interest >
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