User:Pemaksa/WikipediaAuth.js

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var WikipediaAuth;
  var SCOPE = 'https://en.wikipedia.org/w/api.php';
  function handleClientLoad() {
    // Load the API's client and auth2 modules.
    // Call the initClient function after the modules load.
     api.load('client:auth2', initClient);
  }

  function initClient() {
    // In practice, your app can retrieve one or more discovery documents.
    var discoveryUrl = 'https://en.wikipedia.org/w/rest.php/v1/page/Earth';

    // Initialize the api.client object, which app uses to make API requests.
    // Get API key and client ID from API Console.
    // 'scope' field specifies space-delimited list of access scopes.
     api.client.init({
        'apiKey': 'YOUR_API_KEY',
        'clientId': 'YOUR_CLIENT_ID',
        'discoveryDocs': [discoveryUrl],
        'scope': SCOPE
    }).then(function () {
      WikipediaAuth =  api.auth2.getAuthInstance();

      // Listen for sign-in state changes.
      WikipediaAuth.isSignedIn.listen(updateSigninStatus);

      // Handle initial sign-in state. (Determine if user is already signed in.)
      var user = WikipediaAuth.currentUser.get();
      setSigninStatus();

      // Call handleAuthClick function when user clicks on
      //      "Sign In/Authorize" button.
      $('#sign-in-or-out-button').click(function() {
        handleAuthClick();
      });
      $('#revoke-access-button').click(function() {
        revokeAccess();
      });
    });
  }

  function handleAuthClick() {
    if (WikipediaAuth.isSignedIn.get()) {
      // User is authorized and has clicked "Sign out" button.
      WikipediaAuth.signOut();
    } else {
      // User is not signed in. Start Wikipedia auth flow.
      WikipediaAuth.signIn();
    }
  }

  function revokeAccess() {
    WikipediaAuth.disconnect();
  }

  function setSigninStatus() {
    var user = WikipediaAuth.currentUser.get();
    var isAuthorized = user.hasGrantedScopes(SCOPE);
    if (isAuthorized) {
      $('#sign-in-or-out-button').html('Sign out');
      $('#revoke-access-button').css('display', 'inline-block');
      $('#auth-status').html('You are currently signed in and have granted ' +
          'access to this app.');
    } else {
      $('#sign-in-or-out-button').html('Sign In/Authorize');
      $('#revoke-access-button').css('display', 'none');
      $('#auth-status').html('You have not authorized this app or you are ' +
          'signed out.');
    }
  }

  function updateSigninStatus() {
    setSigninStatus();
}