[Interest] QNetworkProxy auth support with QNetworkAccessManager

[brian larochelle]

Hello,
I posted this question to qt project forums, but figured I would get better 
luck here.  If posting in both places is bad form, let me know, and I will no 
longer do so.

I'm using Qt 4.8.2 on embedded linux, I can reproduce with same version on 
desktop linux.

I am subclassing QNetworkAccessManager to create a base class for all my 
webservice communictions. 

Everything works as expected, until i try to add proxy server support. It 
works great without authentication, but a major problem comes up when I try to 
add support for authentication. I’ve verified the proxy server with auth using 
FireFox.

Attached is my code.  

Proxy support gets configured in NetworkAccessManager::configureProxy(), then 
the slot NetworkAccessManager::proxyAuthenticationRequired(…) gets called to 
provide authentication.

The proxyAuthenticationRequired slot just gets called repeatedly.
And i just the something like the following over and over.
****
NetworkAccessManager::proxyAuthenticationRequired — called
NetworkAccessManager::proxyAuthenticationRequired requesting realm: proxy
QNetworkAccessCache::addEntry: overriding active cache entry ‘auth:proxy-
http://user@10.255.170.140:3128#proxy’
QNetworkAccessCache::addEntry: overriding active cache entry ‘auth:proxy-
http://user@10.255.170.140:3128’
QNetworkAccessCache::addEntry: overriding active cache entry ‘auth:proxy-
http://10.255.170.140:3128’
***

I’ve found the below related issue, but they did not lead helpful results.
https://bugreports.qt-project.org/browse/QTBUG-16728
https://bugreports.qt-project.org/browse/QTBUG-14850

I’ve also tried applying patches from here:
https://bugreports.qt-project.org/browse/QTBUG-15472
recompiled everything, still see the same results.

I Appreciate and guidance.
Thanks

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