Error authenticating application using link

Question

I get the following error while trying to authenticate using LinkedIn. "Invalid redirect URI"

The link is valid and registered in my application inside the developer linked to the site.

What can cause this error?

  var auth = new OAuth2Authenticator
  (
     clientId: "MYID",
     scope: "r_basicprofile",
     authorizeUrl: new Uri("https://www.linkedin.com/uas/oauth2/authorization?response_type=code&client_id=MYID&redirect_uri=https://wicareerpathways.org/&state=987654321&scope=r_basicprofile"),              
     redirectUrl: new Uri("https://wicareerpathways.org/")
  );

Answer 1

Try the following:

var auth = new OAuth2Authenticator (
                clientId: "**",
                clientSecret:"**",
                scope: "r_fullprofile r_contactinfo",
                authorizeUrl: new Uri ("https://www.linkedin.com/uas/oauth2/authorization"),
                redirectUrl: new Uri ("http://www.***.co.nz/"),
                accessTokenUrl:new Uri("https://www.linkedin.com/uas/oauth2/accessToken")    
            );

See https://forums.xamarin.com/discussion/comment/49244/#Comment_49244

Answer 2

Try to encode the redirect_url parameter url in authorizeUrl ->

https://www.linkedin.com/uas/oauth2/authorization?response_type=code&client_id=MYID&redirect_uri=https%3A%2F%2Fwicareerpathways.org%2F&state=987654321&scope=r_basicprofile