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HomeHomeUsing DNN Platf...Using DNN Platf...Using Modules a...Using Modules a...(DNN 7.4.0) OAuth 2.0 Facebook login issue(DNN 7.4.0) OAuth 2.0 Facebook login issue
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7/15/2015 7:00 AM
 
Nace  


Joined: 5/22/2015
Posts: 28

Hello!

We have some serious issues with Facebook Authentication Provider. Core version is 7.4.0. After authentication on Facebook side ends (user entered FB username & password) there comes a redirect back to DNN Portal.

 What is happening here is that we always receive the following error:

 

The default URL structure is: http://pagedomain/login/code/AQBZRcU1tRFTXC106X7O4dIuzFCXaM7GR0mYTOaXGRaMMralhmheKNo4FwXMhHe2dcUWZJRmwJV5Cq9JPG_ezZiank7p304e378SflfjrmBwdlgRTbgehjpDZ8ftkdXLMkcGC2CJTRjr7a6oWMIi33L5OSQoRSxOS03Rl_YvdTjlk9ZsdCCKPi4rsgl5OD-FiyxC0c1LHK_0N6_rmbgIeOTsuSEPOp8i9zYfm2zpeNF4YFuBhOLSiCFx6_VJmXx0b8D-c9372ffSkH4RouHuab_vs2Q-mp4XS8VPX8qksem9alAc0z-U5U9Inz6RqAGQI7Y/state/Facebook#_=_

 Query string (especially the data in "code" query string parameter) is huge. Is there a problem with IIS settings? MaxURLLength or sth like that? We've already checked out some solutions, but couldn't solve the problem.

 What is interesting is, that Google Authentication provider is working perfect (but it does not have such long URL verification string).

Problem occured after updating to 7.4.0 core version. Before everything worked perfectly so i assume that there are no problems on IIS configuration side.

 I've found source that confirms that error / issue but couldn't solve it.  -->  https://dnntracker.atlassian.net/brow...

 Thank you for you kind help!

 

 
 
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7/22/2015 2:19 AM
 
Nace  


Joined: 5/22/2015
Posts: 28
Hello! We haven't found a solution for this problemy yet. There were some settings / key in web.config we've modified but with a no success. What we will try is to modify register as written down here: https://social.msdn.microsoft.com/Forums/en-US/723e6bfd-cab7-417b-b487-67f1dcfa524f/uri-path-great-than-260-characters-yeilds-bad-request?forum=netfxnetcom Maybe any other advice / solution? Do you think upgrade to 7.4.1 could be useful? We're currently using 7.4.0.
 
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