asp.net web api2 - How to add parameters to redirect_uri in WebApi Oauth Owin authentication process? -


i'm creating webapi project oauth bearer token authenthication , external login providers (google, twitter, facebook etc.). started basic vs 2013 template , got work fine!

however, after user logs is, owin infrastructure creates redirect folllowing structure:

http://some.url/#access_token=<the access token>&token_type=bearer&expires_in=1209600

in server code want add additional parameter redirect because in registration process of app, new user needs first confirm , accept usage license before he/she registered user. therefore want add parameter "requiresconfirmation=true" redirect. however, i've no clue how this. tried setting authenticationresponsechallenge.properties.redirecturi of authenticationmanager doesn't seem have affect.

any suggestions appreciated!

it should relatively easy authorizationendpointresponse notification:

in custom oauthauthorizationserverprovider implementation, override authorizationendpointresponse extract parameter ambient response grant, created when call iowincontext.authentication.signin(properties, identity). can add custom requiresconfirmation parameter additionalresponseparameters: automatically added callback url (i.e in fragment when using implicit flow):

public override task authorizationendpointresponse(oauthauthorizationendpointresponsecontext context) {     var requiresconfirmation = bool.parse(context.owincontext.authentication.authenticationresponsegrant.properties.dictionary["requiresconfirmation"]);     if (requiresconfirmation) {         context.additionalresponseparameters.add("requiresconfirmation", true);     }      return task.fromresult<object>(null); }

in code calling signin, determine whether user registered or not , add requiresconfirmation authenticationproperties container:

var properties = new authenticationproperties(); properties.dictionary.add("requiresconfirmation", "true"/"false");  context.authentication.signin(properties, identity);

feel free ping me if need more details.


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