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   1  <?php
   2  
   3  final class PhabricatorAuthLinkController
   4    extends PhabricatorAuthController {
   5  
   6    private $action;
   7    private $providerKey;
   8  
   9    public function willProcessRequest(array $data) {
  10      $this->providerKey = $data['pkey'];
  11      $this->action = $data['action'];
  12    }
  13  
  14    public function processRequest() {
  15      $request = $this->getRequest();
  16      $viewer = $request->getUser();
  17  
  18      $provider = PhabricatorAuthProvider::getEnabledProviderByKey(
  19        $this->providerKey);
  20      if (!$provider) {
  21        return new Aphront404Response();
  22      }
  23  
  24      switch ($this->action) {
  25        case 'link':
  26          if (!$provider->shouldAllowAccountLink()) {
  27            return $this->renderErrorPage(
  28              pht('Account Not Linkable'),
  29              array(
  30                pht('This provider is not configured to allow linking.'),
  31              ));
  32          }
  33          break;
  34        case 'refresh':
  35          if (!$provider->shouldAllowAccountRefresh()) {
  36            return $this->renderErrorPage(
  37              pht('Account Not Refreshable'),
  38              array(
  39                pht('This provider does not allow refreshing.'),
  40              ));
  41          }
  42          break;
  43        default:
  44          return new Aphront400Response();
  45      }
  46  
  47      $account = id(new PhabricatorExternalAccount())->loadOneWhere(
  48        'accountType = %s AND accountDomain = %s AND userPHID = %s',
  49        $provider->getProviderType(),
  50        $provider->getProviderDomain(),
  51        $viewer->getPHID());
  52  
  53      switch ($this->action) {
  54        case 'link':
  55          if ($account) {
  56            return $this->renderErrorPage(
  57              pht('Account Already Linked'),
  58              array(
  59                pht(
  60                  'Your Phabricator account is already linked to an external '.
  61                  'account for this provider.'),
  62              ));
  63          }
  64          break;
  65        case 'refresh':
  66          if (!$account) {
  67            return $this->renderErrorPage(
  68              pht('No Account Linked'),
  69              array(
  70                pht(
  71                  'You do not have a linked account on this provider, and thus '.
  72                  'can not refresh it.'),
  73              ));
  74          }
  75          break;
  76        default:
  77          return new Aphront400Response();
  78      }
  79  
  80      $panel_uri = '/settings/panel/external/';
  81  
  82      PhabricatorCookies::setClientIDCookie($request);
  83  
  84      switch ($this->action) {
  85        case 'link':
  86          id(new PhabricatorAuthSessionEngine())->requireHighSecuritySession(
  87            $viewer,
  88            $request,
  89            $panel_uri);
  90  
  91          $form = $provider->buildLinkForm($this);
  92          break;
  93        case 'refresh':
  94          $form = $provider->buildRefreshForm($this);
  95          break;
  96        default:
  97          return new Aphront400Response();
  98      }
  99  
 100      if ($provider->isLoginFormAButton()) {
 101        require_celerity_resource('auth-css');
 102        $form = phutil_tag(
 103          'div',
 104          array(
 105            'class' => 'phabricator-link-button pl',
 106          ),
 107          $form);
 108      }
 109  
 110      switch ($this->action) {
 111        case 'link':
 112          $name = pht('Link Account');
 113          $title = pht('Link %s Account', $provider->getProviderName());
 114          break;
 115        case 'refresh':
 116          $name = pht('Refresh Account');
 117          $title = pht('Refresh %s Account', $provider->getProviderName());
 118          break;
 119        default:
 120          return new Aphront400Response();
 121      }
 122  
 123      $crumbs = $this->buildApplicationCrumbs();
 124      $crumbs->addTextCrumb(pht('Link Account'), $panel_uri);
 125      $crumbs->addTextCrumb($provider->getProviderName($name));
 126  
 127      return $this->buildApplicationPage(
 128        array(
 129          $crumbs,
 130          $form,
 131        ),
 132        array(
 133          'title' => $title,
 134        ));
 135    }
 136  
 137  }