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• swagger-oauth.js

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ui.com.vmware.xenon.swagger.SwaggerDescriptorService.lib.swagger-oauth.js Maven / Gradle / Ivy

var appName;
var popupMask;
var popupDialog;
var clientId;
var realm;
var redirect_uri;
var clientSecret;
var scopeSeparator;
var additionalQueryStringParams;

function handleLogin() {
  var scopes = [];

  var auths = window.swaggerUi.api.authSchemes || window.swaggerUi.api.securityDefinitions;
  if(auths) {
    var key;
    var defs = auths;
    for(key in defs) {
      var auth = defs[key];
      if(auth.type === 'oauth2' && auth.scopes) {
        var scope;
        if(Array.isArray(auth.scopes)) {
          // 1.2 support
          var i;
          for(i = 0; i < auth.scopes.length; i++) {
            scopes.push(auth.scopes[i]);
          }
        }
        else {
          // 2.0 support
          for(scope in auth.scopes) {
            scopes.push({scope: scope, description: auth.scopes[scope], OAuthSchemeKey: key});
          }
        }
      }
    }
  }

  if(window.swaggerUi.api
    && window.swaggerUi.api.info) {
    appName = window.swaggerUi.api.info.title;
  }

  $('.api-popup-dialog').remove(); 
  popupDialog = $(
    [
      '
',
      '
Select OAuth2.0 Scopes
',
      '
',
        '
Scopes are used to grant an application different levels of access to data on behalf of the end user. Each API may declare one or more scopes.',
          'Learn how to use',
        '
',
        '
' + appName + ' API requires the following scopes. Select which ones you want to grant to Swagger UI.
',
        '
',
        '
',
        '
',
        '
AuthorizeCancel
',
      '
',
      '
'].join(''));
  $(document.body).append(popupDialog);

  //TODO: only display applicable scopes (will need to pass them into handleLogin)
  popup = popupDialog.find('ul.api-popup-scopes').empty();
  for (i = 0; i < scopes.length; i ++) {
    scope = scopes[i];
    str = '
' + '' + scope.scope ;
    if (scope.description) {
      if ($.map(auths, function(n, i) { return i; }).length > 1) //if we have more than one scheme, display schemes
	    str += '
' + scope.description + ' ('+ scope.OAuthSchemeKey+')' +'';
	  else
	    str += '
' + scope.description + '';
    }
    str += '
';
    popup.append(str);
  }

  var $win = $(window),
    dw = $win.width(),
    dh = $win.height(),
    st = $win.scrollTop(),
    dlgWd = popupDialog.outerWidth(),
    dlgHt = popupDialog.outerHeight(),
    top = (dh -dlgHt)/2 + st,
    left = (dw - dlgWd)/2;

  popupDialog.css({
    top: (top < 0? 0 : top) + 'px',
    left: (left < 0? 0 : left) + 'px'
  });

  popupDialog.find('button.api-popup-cancel').click(function() {
    popupMask.hide();
    popupDialog.hide();
    popupDialog.empty();
    popupDialog = [];
  });

  $('button.api-popup-authbtn').unbind();
  popupDialog.find('button.api-popup-authbtn').click(function() {
    popupMask.hide();
    popupDialog.hide();

    var authSchemes = window.swaggerUi.api.authSchemes;
    var host = window.location;
    var pathname = location.pathname.substring(0, location.pathname.lastIndexOf("/"));
    var defaultRedirectUrl = host.protocol + '//' + host.host + pathname + '/o2c.html';
    var redirectUrl = window.oAuthRedirectUrl || defaultRedirectUrl;
    var url = null;
    var scopes = []
    var o = popup.find('input:checked'); 
    var OAuthSchemeKeys = [];
    var state;
    for(k =0; k < o.length; k++) {
      var scope = $(o[k]).attr('scope');
      if (scopes.indexOf(scope) === -1)
        scopes.push(scope);
      var OAuthSchemeKey = $(o[k]).attr('oauthtype');      
      if (OAuthSchemeKeys.indexOf(OAuthSchemeKey) === -1)
          OAuthSchemeKeys.push(OAuthSchemeKey);
    }
    
    //TODO: merge not replace if scheme is different from any existing 
    //(needs to be aware of schemes to do so correctly)
    window.enabledScopes=scopes;    
    
    for (var key in authSchemes) { 
      if (authSchemes.hasOwnProperty(key) && OAuthSchemeKeys.indexOf(key) != -1) { //only look at keys that match this scope.
        var flow = authSchemes[key].flow;

        if(authSchemes[key].type === 'oauth2' && flow && (flow === 'implicit' || flow === 'accessCode')) {
          var dets = authSchemes[key];
          url = dets.authorizationUrl + '?response_type=' + (flow === 'implicit' ? 'token' : 'code');
          window.swaggerUi.tokenName = dets.tokenName || 'access_token';
          window.swaggerUi.tokenUrl = (flow === 'accessCode' ? dets.tokenUrl : null);
          state = key;
        }
        else if(authSchemes[key].type === 'oauth2' && flow && (flow === 'application')) {
            var dets = authSchemes[key];
            window.swaggerUi.tokenName = dets.tokenName || 'access_token';
            clientCredentialsFlow(scopes, dets.tokenUrl, key);
            return;
        }        
        else if(authSchemes[key].grantTypes) {
          // 1.2 support
          var o = authSchemes[key].grantTypes;
          for(var t in o) {
            if(o.hasOwnProperty(t) && t === 'implicit') {
              var dets = o[t];
              var ep = dets.loginEndpoint.url;
              url = dets.loginEndpoint.url + '?response_type=token';
              window.swaggerUi.tokenName = dets.tokenName;
            }
            else if (o.hasOwnProperty(t) && t === 'accessCode') {
              var dets = o[t];
              var ep = dets.tokenRequestEndpoint.url;
              url = dets.tokenRequestEndpoint.url + '?response_type=code';
              window.swaggerUi.tokenName = dets.tokenName;
            }
          }
        }
      }
    }

    redirect_uri = redirectUrl;

    url += '&redirect_uri=' + encodeURIComponent(redirectUrl);
    url += '&realm=' + encodeURIComponent(realm);
    url += '&client_id=' + encodeURIComponent(clientId);
    url += '&scope=' + encodeURIComponent(scopes.join(scopeSeparator));
    url += '&state=' + encodeURIComponent(state);
    for (var key in additionalQueryStringParams) {
        url += '&' + key + '=' + encodeURIComponent(additionalQueryStringParams[key]);
    }

    window.open(url);
  });

  popupMask.show();
  popupDialog.show();
  return;
}


function handleLogout() {
  for(key in window.swaggerUi.api.clientAuthorizations.authz){
    window.swaggerUi.api.clientAuthorizations.remove(key)
  }
  window.enabledScopes = null;
  $('.api-ic.ic-on').addClass('ic-off');
  $('.api-ic.ic-on').removeClass('ic-on');

  // set the info box
  $('.api-ic.ic-warning').addClass('ic-error');
  $('.api-ic.ic-warning').removeClass('ic-warning');
}

function initOAuth(opts) {
  var o = (opts||{});
  var errors = [];

  appName = (o.appName||errors.push('missing appName'));
  popupMask = (o.popupMask||$('#api-common-mask'));
  popupDialog = (o.popupDialog||$('.api-popup-dialog'));
  clientId = (o.clientId||errors.push('missing client id'));
  clientSecret = (o.clientSecret||null);
  realm = (o.realm||errors.push('missing realm'));
  scopeSeparator = (o.scopeSeparator||' ');
  additionalQueryStringParams = (o.additionalQueryStringParams||{});

  if(errors.length > 0){
    log('auth unable initialize oauth: ' + errors);
    return;
  }

  $('pre code').each(function(i, e) {hljs.highlightBlock(e)});
  $('.api-ic').unbind();
  $('.api-ic').click(function(s) {
    if($(s.target).hasClass('ic-off'))
      handleLogin();
    else {
      handleLogout();
    }
    false;
  });
}

function clientCredentialsFlow(scopes, tokenUrl, OAuthSchemeKey) {
    var params = {
      'client_id': clientId,
      'client_secret': clientSecret,
      'scope': scopes.join(' '),
      'grant_type': 'client_credentials'
    }
    $.ajax(
    {
      url : tokenUrl,
      type: "POST",
      data: params,
      success:function(data, textStatus, jqXHR)
      {
        onOAuthComplete(data,OAuthSchemeKey);
      },
      error: function(jqXHR, textStatus, errorThrown)
      {
        onOAuthComplete("");
      }
    });
    
  }

window.processOAuthCode = function processOAuthCode(data) {
  var OAuthSchemeKey = data.state;
  var params = {
    'client_id': clientId,
    'code': data.code,
    'grant_type': 'authorization_code',
    'redirect_uri': redirect_uri
  };

  if (clientSecret) {
    params.client_secret = clientSecret;
  }

  $.ajax(
  {
    url : window.swaggerUi.tokenUrl,
    type: "POST",
    data: params,
    success:function(data, textStatus, jqXHR)
    {
      onOAuthComplete(data, OAuthSchemeKey);
    },
    error: function(jqXHR, textStatus, errorThrown)
    {
      onOAuthComplete("");
    }
  });
};

window.onOAuthComplete = function onOAuthComplete(token,OAuthSchemeKey) {
  if(token) {
    if(token.error) {
      var checkbox = $('input[type=checkbox],.secured')
      checkbox.each(function(pos){
        checkbox[pos].checked = false;
      });
      alert(token.error);
    }
    else {
      var b = token[window.swaggerUi.tokenName];      
      if (!OAuthSchemeKey){
          OAuthSchemeKey = token.state;
      }
      if(b){
        // if all roles are satisfied
        var o = null;
        $.each($('.auth .api-ic .api_information_panel'), function(k, v) { 
          var children = v;
          if(children && children.childNodes) {
            var requiredScopes = [];
            $.each((children.childNodes), function (k1, v1){
              var inner = v1.innerHTML;
              if(inner)
                requiredScopes.push(inner);
            });
            var diff = [];
            for(var i=0; i < requiredScopes.length; i++) {
              var s = requiredScopes[i];
              if(window.enabledScopes && window.enabledScopes.indexOf(s) == -1) {
                diff.push(s);
              }
            }
            if(diff.length > 0){
              o = v.parentNode.parentNode;
              $(o.parentNode).find('.api-ic.ic-on').addClass('ic-off');
              $(o.parentNode).find('.api-ic.ic-on').removeClass('ic-on');

              // sorry, not all scopes are satisfied
              $(o).find('.api-ic').addClass('ic-warning');
              $(o).find('.api-ic').removeClass('ic-error');
            }
            else {
              o = v.parentNode.parentNode;
              $(o.parentNode).find('.api-ic.ic-off').addClass('ic-on');
              $(o.parentNode).find('.api-ic.ic-off').removeClass('ic-off');

              // all scopes are satisfied
              $(o).find('.api-ic').addClass('ic-info');
              $(o).find('.api-ic').removeClass('ic-warning');
              $(o).find('.api-ic').removeClass('ic-error');
            }
          }
        });
        window.swaggerUi.api.clientAuthorizations.add(OAuthSchemeKey, new SwaggerClient.ApiKeyAuthorization('Authorization', 'Bearer ' + b, 'header'));
      }
    }
  }
};